зеркало из https://github.com/github/ruby.git
10725 строки
294 KiB
C
10725 строки
294 KiB
C
/**********************************************************************
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compile.c - ruby node tree -> VM instruction sequence
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$Author$
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created at: 04/01/01 03:42:15 JST
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Copyright (C) 2004-2007 Koichi Sasada
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**********************************************************************/
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#include "ruby/encoding.h"
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#include "ruby/re.h"
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#include "ruby/util.h"
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#include "internal.h"
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#include "encindex.h"
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#include <math.h>
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#include "vm_core.h"
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#include "vm_debug.h"
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#include "iseq.h"
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#include "insns.inc"
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#include "insns_info.inc"
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#include "id_table.h"
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#include "gc.h"
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#ifdef HAVE_DLADDR
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# include <dlfcn.h>
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#endif
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#undef RUBY_UNTYPED_DATA_WARNING
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#define RUBY_UNTYPED_DATA_WARNING 0
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#define FIXNUM_INC(n, i) ((n)+(INT2FIX(i)&~FIXNUM_FLAG))
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#define FIXNUM_OR(n, i) ((n)|INT2FIX(i))
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typedef struct iseq_link_element {
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enum {
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ISEQ_ELEMENT_ANCHOR,
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ISEQ_ELEMENT_LABEL,
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ISEQ_ELEMENT_INSN,
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ISEQ_ELEMENT_ADJUST,
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ISEQ_ELEMENT_TRACE
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} type;
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struct iseq_link_element *next;
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struct iseq_link_element *prev;
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} LINK_ELEMENT;
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typedef struct iseq_link_anchor {
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LINK_ELEMENT anchor;
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LINK_ELEMENT *last;
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} LINK_ANCHOR;
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typedef enum {
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LABEL_RESCUE_NONE,
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LABEL_RESCUE_BEG,
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LABEL_RESCUE_END,
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LABEL_RESCUE_TYPE_MAX
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} LABEL_RESCUE_TYPE;
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typedef struct iseq_label_data {
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LINK_ELEMENT link;
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int label_no;
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int position;
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int sc_state;
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int sp;
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int refcnt;
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unsigned int set: 1;
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unsigned int rescued: 2;
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unsigned int unremovable: 1;
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} LABEL;
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typedef struct iseq_insn_data {
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LINK_ELEMENT link;
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enum ruby_vminsn_type insn_id;
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int operand_size;
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int sc_state;
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VALUE *operands;
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struct {
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int line_no;
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rb_event_flag_t events;
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} insn_info;
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} INSN;
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typedef struct iseq_adjust_data {
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LINK_ELEMENT link;
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LABEL *label;
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int line_no;
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} ADJUST;
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typedef struct iseq_trace_data {
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LINK_ELEMENT link;
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rb_event_flag_t event;
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long data;
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} TRACE;
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struct ensure_range {
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LABEL *begin;
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LABEL *end;
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struct ensure_range *next;
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};
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struct iseq_compile_data_ensure_node_stack {
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const NODE *ensure_node;
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struct iseq_compile_data_ensure_node_stack *prev;
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struct ensure_range *erange;
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};
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const ID rb_iseq_shared_exc_local_tbl[] = {idERROR_INFO};
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/**
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* debug function(macro) interface depend on CPDEBUG
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* if it is less than 0, runtime option is in effect.
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*
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* debug level:
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* 0: no debug output
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* 1: show node type
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* 2: show node important parameters
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* ...
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* 5: show other parameters
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* 10: show every AST array
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*/
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#ifndef CPDEBUG
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#define CPDEBUG 0
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#endif
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#if CPDEBUG >= 0
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#define compile_debug CPDEBUG
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#else
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#define compile_debug ISEQ_COMPILE_DATA(iseq)->option->debug_level
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#endif
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#if CPDEBUG
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#define compile_debug_print_indent(level) \
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ruby_debug_print_indent((level), compile_debug, gl_node_level * 2)
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#define debugp(header, value) (void) \
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(compile_debug_print_indent(1) && \
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ruby_debug_print_value(1, compile_debug, (header), (value)))
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#define debugi(header, id) (void) \
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(compile_debug_print_indent(1) && \
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ruby_debug_print_id(1, compile_debug, (header), (id)))
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#define debugp_param(header, value) (void) \
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(compile_debug_print_indent(1) && \
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ruby_debug_print_value(1, compile_debug, (header), (value)))
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#define debugp_verbose(header, value) (void) \
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(compile_debug_print_indent(2) && \
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ruby_debug_print_value(2, compile_debug, (header), (value)))
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#define debugp_verbose_node(header, value) (void) \
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(compile_debug_print_indent(10) && \
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ruby_debug_print_value(10, compile_debug, (header), (value)))
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#define debug_node_start(node) ((void) \
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(compile_debug_print_indent(1) && \
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(ruby_debug_print_node(1, CPDEBUG, "", (const NODE *)(node)), gl_node_level)), \
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gl_node_level++)
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#define debug_node_end() gl_node_level --
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#else
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#define debugi(header, id) ((void)0)
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#define debugp(header, value) ((void)0)
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#define debugp_verbose(header, value) ((void)0)
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#define debugp_verbose_node(header, value) ((void)0)
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#define debugp_param(header, value) ((void)0)
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#define debug_node_start(node) ((void)0)
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#define debug_node_end() ((void)0)
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#endif
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#if CPDEBUG > 1 || CPDEBUG < 0
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#define printf ruby_debug_printf
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#define debugs if (compile_debug_print_indent(1)) ruby_debug_printf
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#define debug_compile(msg, v) ((void)(compile_debug_print_indent(1) && fputs((msg), stderr)), (v))
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#else
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#define debugs if(0)printf
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#define debug_compile(msg, v) (v)
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#endif
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#define LVAR_ERRINFO (1)
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/* create new label */
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#define NEW_LABEL(l) new_label_body(iseq, (l))
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#define LABEL_FORMAT "<L%03d>"
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#define NEW_ISEQ(node, name, type, line_no) \
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new_child_iseq(iseq, (node), rb_fstring(name), 0, (type), (line_no))
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#define NEW_CHILD_ISEQ(node, name, type, line_no) \
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new_child_iseq(iseq, (node), rb_fstring(name), iseq, (type), (line_no))
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/* add instructions */
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#define ADD_SEQ(seq1, seq2) \
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APPEND_LIST((seq1), (seq2))
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/* add an instruction */
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#define ADD_INSN(seq, line, insn) \
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ADD_ELEM((seq), (LINK_ELEMENT *) new_insn_body(iseq, (line), BIN(insn), 0))
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/* insert an instruction before next */
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#define INSERT_BEFORE_INSN(next, line, insn) \
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ELEM_INSERT_PREV(&(next)->link, (LINK_ELEMENT *) new_insn_body(iseq, (line), BIN(insn), 0))
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/* insert an instruction after prev */
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#define INSERT_AFTER_INSN(prev, line, insn) \
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ELEM_INSERT_NEXT(&(prev)->link, (LINK_ELEMENT *) new_insn_body(iseq, (line), BIN(insn), 0))
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/* add an instruction with some operands (1, 2, 3, 5) */
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#define ADD_INSN1(seq, line, insn, op1) \
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ADD_ELEM((seq), (LINK_ELEMENT *) \
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new_insn_body(iseq, (line), BIN(insn), 1, (VALUE)(op1)))
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/* insert an instruction with some operands (1, 2, 3, 5) before next */
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#define INSERT_BEFORE_INSN1(next, line, insn, op1) \
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ELEM_INSERT_PREV(&(next)->link, (LINK_ELEMENT *) \
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new_insn_body(iseq, (line), BIN(insn), 1, (VALUE)(op1)))
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/* insert an instruction with some operands (1, 2, 3, 5) after prev */
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#define INSERT_AFTER_INSN1(prev, line, insn, op1) \
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ELEM_INSERT_NEXT(&(prev)->link, (LINK_ELEMENT *) \
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new_insn_body(iseq, (line), BIN(insn), 1, (VALUE)(op1)))
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#define LABEL_REF(label) ((label)->refcnt++)
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/* add an instruction with label operand (alias of ADD_INSN1) */
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#define ADD_INSNL(seq, line, insn, label) (ADD_INSN1(seq, line, insn, label), LABEL_REF(label))
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#define ADD_INSN2(seq, line, insn, op1, op2) \
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ADD_ELEM((seq), (LINK_ELEMENT *) \
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new_insn_body(iseq, (line), BIN(insn), 2, (VALUE)(op1), (VALUE)(op2)))
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#define ADD_INSN3(seq, line, insn, op1, op2, op3) \
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ADD_ELEM((seq), (LINK_ELEMENT *) \
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new_insn_body(iseq, (line), BIN(insn), 3, (VALUE)(op1), (VALUE)(op2), (VALUE)(op3)))
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/* Specific Insn factory */
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#define ADD_SEND(seq, line, id, argc) \
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ADD_SEND_R((seq), (line), (id), (argc), NULL, (VALUE)INT2FIX(0), NULL)
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#define ADD_SEND_WITH_FLAG(seq, line, id, argc, flag) \
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ADD_SEND_R((seq), (line), (id), (argc), NULL, (VALUE)(flag), NULL)
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#define ADD_SEND_WITH_BLOCK(seq, line, id, argc, block) \
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ADD_SEND_R((seq), (line), (id), (argc), (block), (VALUE)INT2FIX(0), NULL)
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#define ADD_CALL_RECEIVER(seq, line) \
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ADD_INSN((seq), (line), putself)
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#define ADD_CALL(seq, line, id, argc) \
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ADD_SEND_R((seq), (line), (id), (argc), NULL, (VALUE)INT2FIX(VM_CALL_FCALL), NULL)
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#define ADD_CALL_WITH_BLOCK(seq, line, id, argc, block) \
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ADD_SEND_R((seq), (line), (id), (argc), (block), (VALUE)INT2FIX(VM_CALL_FCALL), NULL)
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#define ADD_SEND_R(seq, line, id, argc, block, flag, keywords) \
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ADD_ELEM((seq), (LINK_ELEMENT *) new_insn_send(iseq, (line), (id), (VALUE)(argc), (block), (VALUE)(flag), (keywords)))
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#define ADD_TRACE(seq, event) \
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ADD_ELEM((seq), (LINK_ELEMENT *)new_trace_body(iseq, (event), 0))
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#define ADD_TRACE_WITH_DATA(seq, event, data) \
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ADD_ELEM((seq), (LINK_ELEMENT *)new_trace_body(iseq, (event), (data)))
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#define DECL_BRANCH_BASE(branches, first_line, first_column, last_line, last_column, type) \
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do { \
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if (ISEQ_COVERAGE(iseq) && \
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ISEQ_BRANCH_COVERAGE(iseq) && \
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(first_line) > 0) { \
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VALUE structure = RARRAY_AREF(ISEQ_BRANCH_COVERAGE(iseq), 0); \
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branches = rb_ary_tmp_new(0); \
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rb_ary_push(structure, branches); \
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rb_ary_push(branches, ID2SYM(rb_intern(type))); \
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rb_ary_push(branches, INT2FIX(first_line)); \
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rb_ary_push(branches, INT2FIX(first_column)); \
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rb_ary_push(branches, INT2FIX(last_line)); \
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rb_ary_push(branches, INT2FIX(last_column)); \
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} \
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} while (0)
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#define ADD_TRACE_BRANCH_COVERAGE(seq, first_line, first_column, last_line, last_column, type, branches) \
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do { \
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if (ISEQ_COVERAGE(iseq) && \
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ISEQ_BRANCH_COVERAGE(iseq) && \
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(first_line) > 0) { \
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VALUE counters = RARRAY_AREF(ISEQ_BRANCH_COVERAGE(iseq), 1); \
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long counter_idx = RARRAY_LEN(counters); \
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rb_ary_push(counters, INT2FIX(0)); \
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rb_ary_push(branches, ID2SYM(rb_intern(type))); \
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rb_ary_push(branches, INT2FIX(first_line)); \
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rb_ary_push(branches, INT2FIX(first_column)); \
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rb_ary_push(branches, INT2FIX(last_line)); \
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rb_ary_push(branches, INT2FIX(last_column)); \
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rb_ary_push(branches, INT2FIX(counter_idx)); \
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ADD_TRACE_WITH_DATA(seq, RUBY_EVENT_COVERAGE_BRANCH, counter_idx); \
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ADD_INSN(seq, last_line, nop); \
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} \
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} while (0)
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static void iseq_add_getlocal(rb_iseq_t *iseq, LINK_ANCHOR *const seq, int line, int idx, int level);
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static void iseq_add_setlocal(rb_iseq_t *iseq, LINK_ANCHOR *const seq, int line, int idx, int level);
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#define ADD_GETLOCAL(seq, line, idx, level) iseq_add_getlocal(iseq, (seq), (line), (idx), (level))
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#define ADD_SETLOCAL(seq, line, idx, level) iseq_add_setlocal(iseq, (seq), (line), (idx), (level))
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/* add label */
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#define ADD_LABEL(seq, label) \
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ADD_ELEM((seq), (LINK_ELEMENT *) (label))
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#define APPEND_LABEL(seq, before, label) \
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APPEND_ELEM((seq), (before), (LINK_ELEMENT *) (label))
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#define ADD_ADJUST(seq, line, label) \
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ADD_ELEM((seq), (LINK_ELEMENT *) new_adjust_body(iseq, (label), (line)))
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#define ADD_ADJUST_RESTORE(seq, label) \
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ADD_ELEM((seq), (LINK_ELEMENT *) new_adjust_body(iseq, (label), -1))
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#define LABEL_UNREMOVABLE(label) \
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((label) ? (LABEL_REF(label), (label)->unremovable=1) : 0)
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#define ADD_CATCH_ENTRY(type, ls, le, iseqv, lc) do { \
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VALUE _e = rb_ary_new3(5, (type), \
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(VALUE)(ls) | 1, (VALUE)(le) | 1, \
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(VALUE)(iseqv), (VALUE)(lc) | 1); \
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LABEL_UNREMOVABLE(ls); \
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LABEL_REF(le); \
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LABEL_REF(lc); \
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if (NIL_P(ISEQ_COMPILE_DATA(iseq)->catch_table_ary)) \
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RB_OBJ_WRITE(iseq, &ISEQ_COMPILE_DATA(iseq)->catch_table_ary, rb_ary_tmp_new(3)); \
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rb_ary_push(ISEQ_COMPILE_DATA(iseq)->catch_table_ary, freeze_hide_obj(_e)); \
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} while (0)
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/* compile node */
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#define COMPILE(anchor, desc, node) \
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(debug_compile("== " desc "\n", \
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iseq_compile_each(iseq, (anchor), (node), 0)))
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/* compile node, this node's value will be popped */
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#define COMPILE_POPPED(anchor, desc, node) \
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(debug_compile("== " desc "\n", \
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iseq_compile_each(iseq, (anchor), (node), 1)))
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/* compile node, which is popped when 'popped' is true */
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#define COMPILE_(anchor, desc, node, popped) \
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(debug_compile("== " desc "\n", \
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iseq_compile_each(iseq, (anchor), (node), (popped))))
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#define COMPILE_RECV(anchor, desc, node) \
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(private_recv_p(node) ? \
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(ADD_INSN(anchor, nd_line(node), putself), VM_CALL_FCALL) : \
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(COMPILE(anchor, desc, node->nd_recv), 0))
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#define OPERAND_AT(insn, idx) \
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(((INSN*)(insn))->operands[(idx)])
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#define INSN_OF(insn) \
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(((INSN*)(insn))->insn_id)
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#define IS_INSN(link) ((link)->type == ISEQ_ELEMENT_INSN)
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#define IS_LABEL(link) ((link)->type == ISEQ_ELEMENT_LABEL)
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#define IS_ADJUST(link) ((link)->type == ISEQ_ELEMENT_ADJUST)
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#define IS_TRACE(link) ((link)->type == ISEQ_ELEMENT_TRACE)
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#define IS_INSN_ID(iobj, insn) (INSN_OF(iobj) == BIN(insn))
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#define IS_NEXT_INSN_ID(link, insn) \
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((link)->next && IS_INSN((link)->next) && IS_INSN_ID((link)->next, insn))
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/* error */
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#if CPDEBUG > 0
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NORETURN(static void append_compile_error(rb_iseq_t *iseq, int line, const char *fmt, ...));
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#endif
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static void
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append_compile_error(const rb_iseq_t *iseq, int line, const char *fmt, ...)
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{
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VALUE err_info = ISEQ_COMPILE_DATA(iseq)->err_info;
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VALUE file = rb_iseq_path(iseq);
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VALUE err = err_info == Qtrue ? Qfalse : err_info;
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va_list args;
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va_start(args, fmt);
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err = rb_syntax_error_append(err, file, line, -1, NULL, fmt, args);
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va_end(args);
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if (NIL_P(err_info)) {
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RB_OBJ_WRITE(iseq, &ISEQ_COMPILE_DATA(iseq)->err_info, err);
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rb_set_errinfo(err);
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}
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else if (!err_info) {
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RB_OBJ_WRITE(iseq, &ISEQ_COMPILE_DATA(iseq)->err_info, Qtrue);
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}
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if (compile_debug) rb_exc_fatal(err);
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}
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#if 0
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static void
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compile_bug(rb_iseq_t *iseq, int line, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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rb_report_bug_valist(rb_iseq_path(iseq), line, fmt, args);
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va_end(args);
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abort();
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}
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#endif
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#define COMPILE_ERROR append_compile_error
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#define ERROR_ARGS_AT(n) iseq, nd_line(n),
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#define ERROR_ARGS ERROR_ARGS_AT(node)
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#define EXPECT_NODE(prefix, node, ndtype, errval) \
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do { \
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const NODE *error_node = (node); \
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enum node_type error_type = nd_type(error_node); \
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if (error_type != (ndtype)) { \
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COMPILE_ERROR(ERROR_ARGS_AT(error_node) \
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prefix ": " #ndtype " is expected, but %s", \
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ruby_node_name(error_type)); \
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return errval; \
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} \
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} while (0)
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#define EXPECT_NODE_NONULL(prefix, parent, ndtype, errval) \
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do { \
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COMPILE_ERROR(ERROR_ARGS_AT(parent) \
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prefix ": must be " #ndtype ", but 0"); \
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return errval; \
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} while (0)
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#define UNKNOWN_NODE(prefix, node, errval) \
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do { \
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const NODE *error_node = (node); \
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COMPILE_ERROR(ERROR_ARGS_AT(error_node) prefix ": unknown node (%s)", \
|
|
ruby_node_name(nd_type(error_node))); \
|
|
return errval; \
|
|
} while (0)
|
|
|
|
#define COMPILE_OK 1
|
|
#define COMPILE_NG 0
|
|
|
|
#define CHECK(sub) if (!(sub)) {BEFORE_RETURN;return COMPILE_NG;}
|
|
#define BEFORE_RETURN
|
|
|
|
/* leave name uninitialized so that compiler warn if INIT_ANCHOR is
|
|
* missing */
|
|
#define DECL_ANCHOR(name) \
|
|
LINK_ANCHOR name[1] = {{{ISEQ_ELEMENT_ANCHOR,},}}
|
|
#define INIT_ANCHOR(name) \
|
|
(name->last = &name->anchor)
|
|
|
|
static inline VALUE
|
|
freeze_hide_obj(VALUE obj)
|
|
{
|
|
OBJ_FREEZE(obj);
|
|
RBASIC_CLEAR_CLASS(obj);
|
|
return obj;
|
|
}
|
|
|
|
#include "optinsn.inc"
|
|
#if OPT_INSTRUCTIONS_UNIFICATION
|
|
#include "optunifs.inc"
|
|
#endif
|
|
|
|
/* for debug */
|
|
#if CPDEBUG < 0
|
|
#define ISEQ_ARG iseq,
|
|
#define ISEQ_ARG_DECLARE rb_iseq_t *iseq,
|
|
#else
|
|
#define ISEQ_ARG
|
|
#define ISEQ_ARG_DECLARE
|
|
#endif
|
|
|
|
#if CPDEBUG
|
|
#define gl_node_level ISEQ_COMPILE_DATA(iseq)->node_level
|
|
#endif
|
|
|
|
static void dump_disasm_list_with_cursor(const LINK_ELEMENT *link, const LINK_ELEMENT *curr, const LABEL *dest);
|
|
static void dump_disasm_list(const LINK_ELEMENT *elem);
|
|
|
|
static int insn_data_length(INSN *iobj);
|
|
static int calc_sp_depth(int depth, INSN *iobj);
|
|
|
|
static INSN *new_insn_body(rb_iseq_t *iseq, int line_no, enum ruby_vminsn_type insn_id, int argc, ...);
|
|
static LABEL *new_label_body(rb_iseq_t *iseq, long line);
|
|
static ADJUST *new_adjust_body(rb_iseq_t *iseq, LABEL *label, int line);
|
|
static TRACE *new_trace_body(rb_iseq_t *iseq, rb_event_flag_t event, long data);
|
|
|
|
|
|
static int iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *anchor, const NODE *n, int);
|
|
static int iseq_setup(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
static int iseq_setup_insn(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
static int iseq_optimize(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
static int iseq_insns_unification(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
|
|
static int iseq_set_local_table(rb_iseq_t *iseq, const ID *tbl);
|
|
static int iseq_set_exception_local_table(rb_iseq_t *iseq);
|
|
static int iseq_set_arguments(rb_iseq_t *iseq, LINK_ANCHOR *const anchor, const NODE *const node);
|
|
|
|
static int iseq_set_sequence_stackcaching(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
static int iseq_set_sequence(rb_iseq_t *iseq, LINK_ANCHOR *const anchor);
|
|
static int iseq_set_exception_table(rb_iseq_t *iseq);
|
|
static int iseq_set_optargs_table(rb_iseq_t *iseq);
|
|
|
|
static int compile_defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, VALUE needstr);
|
|
|
|
/*
|
|
* To make Array to LinkedList, use link_anchor
|
|
*/
|
|
|
|
static void
|
|
verify_list(ISEQ_ARG_DECLARE const char *info, LINK_ANCHOR *const anchor)
|
|
{
|
|
#if CPDEBUG
|
|
int flag = 0;
|
|
LINK_ELEMENT *list, *plist;
|
|
|
|
if (!compile_debug) return;
|
|
|
|
list = anchor->anchor.next;
|
|
plist = &anchor->anchor;
|
|
while (list) {
|
|
if (plist != list->prev) {
|
|
flag += 1;
|
|
}
|
|
plist = list;
|
|
list = list->next;
|
|
}
|
|
|
|
if (anchor->last != plist && anchor->last != 0) {
|
|
flag |= 0x70000;
|
|
}
|
|
|
|
if (flag != 0) {
|
|
rb_bug("list verify error: %08x (%s)", flag, info);
|
|
}
|
|
#endif
|
|
}
|
|
#if CPDEBUG < 0
|
|
#define verify_list(info, anchor) verify_list(iseq, (info), (anchor))
|
|
#endif
|
|
|
|
/*
|
|
* elem1, elem2 => elem1, elem2, elem
|
|
*/
|
|
static void
|
|
ADD_ELEM(ISEQ_ARG_DECLARE LINK_ANCHOR *const anchor, LINK_ELEMENT *elem)
|
|
{
|
|
elem->prev = anchor->last;
|
|
anchor->last->next = elem;
|
|
anchor->last = elem;
|
|
verify_list("add", anchor);
|
|
}
|
|
|
|
/*
|
|
* elem1, before, elem2 => elem1, before, elem, elem2
|
|
*/
|
|
static void
|
|
APPEND_ELEM(ISEQ_ARG_DECLARE LINK_ANCHOR *const anchor, LINK_ELEMENT *before, LINK_ELEMENT *elem)
|
|
{
|
|
elem->prev = before;
|
|
elem->next = before->next;
|
|
elem->next->prev = elem;
|
|
before->next = elem;
|
|
if (before == anchor->last) anchor->last = elem;
|
|
verify_list("add", anchor);
|
|
}
|
|
#if CPDEBUG < 0
|
|
#define ADD_ELEM(anchor, elem) ADD_ELEM(iseq, (anchor), (elem))
|
|
#define APPEND_ELEM(anchor, before, elem) APPEND_ELEM(iseq, (anchor), (before), (elem))
|
|
#endif
|
|
|
|
#define ISEQ_LAST_LINE(iseq) (ISEQ_COMPILE_DATA(iseq)->last_line)
|
|
|
|
static int
|
|
iseq_add_mark_object_compile_time(const rb_iseq_t *iseq, VALUE v)
|
|
{
|
|
if (!SPECIAL_CONST_P(v)) {
|
|
rb_ary_push(ISEQ_COMPILE_DATA(iseq)->mark_ary, v);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static inline VALUE
|
|
freeze_literal(rb_iseq_t *iseq, VALUE lit)
|
|
{
|
|
lit = rb_fstring(lit);
|
|
rb_ary_push(ISEQ_COMPILE_DATA(iseq)->mark_ary, lit);
|
|
return lit;
|
|
}
|
|
|
|
static int
|
|
validate_label(st_data_t name, st_data_t label, st_data_t arg)
|
|
{
|
|
rb_iseq_t *iseq = (rb_iseq_t *)arg;
|
|
LABEL *lobj = (LABEL *)label;
|
|
if (!lobj->link.next) {
|
|
do {
|
|
COMPILE_ERROR(iseq, lobj->position,
|
|
"%"PRIsVALUE": undefined label",
|
|
rb_sym2str((VALUE)name));
|
|
} while (0);
|
|
}
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static void
|
|
validate_labels(rb_iseq_t *iseq, st_table *labels_table)
|
|
{
|
|
st_foreach(labels_table, validate_label, (st_data_t)iseq);
|
|
st_free_table(labels_table);
|
|
}
|
|
|
|
VALUE
|
|
rb_iseq_compile_ifunc(rb_iseq_t *iseq, const struct vm_ifunc *ifunc)
|
|
{
|
|
DECL_ANCHOR(ret);
|
|
INIT_ANCHOR(ret);
|
|
|
|
(*ifunc->func)(iseq, ret, ifunc->data);
|
|
|
|
ADD_INSN(ret, ISEQ_COMPILE_DATA(iseq)->last_line, leave);
|
|
|
|
CHECK(iseq_setup_insn(iseq, ret));
|
|
return iseq_setup(iseq, ret);
|
|
}
|
|
|
|
VALUE
|
|
rb_iseq_compile_node(rb_iseq_t *iseq, const NODE *node)
|
|
{
|
|
DECL_ANCHOR(ret);
|
|
INIT_ANCHOR(ret);
|
|
|
|
if (imemo_type_p((VALUE)node, imemo_ifunc)) {
|
|
rb_raise(rb_eArgError, "unexpected imemo_ifunc");
|
|
}
|
|
|
|
if (node == 0) {
|
|
COMPILE(ret, "nil", node);
|
|
iseq_set_local_table(iseq, 0);
|
|
}
|
|
/* assume node is T_NODE */
|
|
else if (nd_type(node) == NODE_SCOPE) {
|
|
/* iseq type of top, method, class, block */
|
|
iseq_set_local_table(iseq, node->nd_tbl);
|
|
iseq_set_arguments(iseq, ret, node->nd_args);
|
|
|
|
switch (iseq->body->type) {
|
|
case ISEQ_TYPE_BLOCK:
|
|
{
|
|
LABEL *start = ISEQ_COMPILE_DATA(iseq)->start_label = NEW_LABEL(0);
|
|
LABEL *end = ISEQ_COMPILE_DATA(iseq)->end_label = NEW_LABEL(0);
|
|
|
|
start->rescued = LABEL_RESCUE_BEG;
|
|
end->rescued = LABEL_RESCUE_END;
|
|
|
|
ADD_TRACE(ret, RUBY_EVENT_B_CALL);
|
|
ADD_INSN (ret, FIX2INT(iseq->body->location.first_lineno), nop);
|
|
ADD_LABEL(ret, start);
|
|
CHECK(COMPILE(ret, "block body", node->nd_body));
|
|
ADD_LABEL(ret, end);
|
|
ADD_TRACE(ret, RUBY_EVENT_B_RETURN);
|
|
ISEQ_COMPILE_DATA(iseq)->last_line = iseq->body->location.code_location.end_pos.lineno;
|
|
|
|
/* wide range catch handler must put at last */
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_REDO, start, end, NULL, start);
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_NEXT, start, end, NULL, end);
|
|
break;
|
|
}
|
|
case ISEQ_TYPE_CLASS:
|
|
{
|
|
ADD_TRACE(ret, RUBY_EVENT_CLASS);
|
|
CHECK(COMPILE(ret, "scoped node", node->nd_body));
|
|
ADD_TRACE(ret, RUBY_EVENT_END);
|
|
ISEQ_COMPILE_DATA(iseq)->last_line = nd_line(node);
|
|
break;
|
|
}
|
|
case ISEQ_TYPE_METHOD:
|
|
{
|
|
ADD_TRACE(ret, RUBY_EVENT_CALL);
|
|
CHECK(COMPILE(ret, "scoped node", node->nd_body));
|
|
ADD_TRACE(ret, RUBY_EVENT_RETURN);
|
|
ISEQ_COMPILE_DATA(iseq)->last_line = nd_line(node);
|
|
break;
|
|
}
|
|
default: {
|
|
CHECK(COMPILE(ret, "scoped node", node->nd_body));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
const char *m;
|
|
#define INVALID_ISEQ_TYPE(type) \
|
|
ISEQ_TYPE_##type: m = #type; goto invalid_iseq_type
|
|
switch (iseq->body->type) {
|
|
case INVALID_ISEQ_TYPE(METHOD);
|
|
case INVALID_ISEQ_TYPE(CLASS);
|
|
case INVALID_ISEQ_TYPE(BLOCK);
|
|
case INVALID_ISEQ_TYPE(EVAL);
|
|
case INVALID_ISEQ_TYPE(MAIN);
|
|
case INVALID_ISEQ_TYPE(TOP);
|
|
#undef INVALID_ISEQ_TYPE /* invalid iseq types end */
|
|
case ISEQ_TYPE_RESCUE:
|
|
iseq_set_exception_local_table(iseq);
|
|
CHECK(COMPILE(ret, "rescue", node));
|
|
break;
|
|
case ISEQ_TYPE_ENSURE:
|
|
iseq_set_exception_local_table(iseq);
|
|
CHECK(COMPILE_POPPED(ret, "ensure", node));
|
|
break;
|
|
case ISEQ_TYPE_PLAIN:
|
|
CHECK(COMPILE(ret, "ensure", node));
|
|
break;
|
|
default:
|
|
COMPILE_ERROR(ERROR_ARGS "unknown scope: %d", iseq->body->type);
|
|
return COMPILE_NG;
|
|
invalid_iseq_type:
|
|
COMPILE_ERROR(ERROR_ARGS "compile/ISEQ_TYPE_%s should not be reached", m);
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
|
|
if (iseq->body->type == ISEQ_TYPE_RESCUE || iseq->body->type == ISEQ_TYPE_ENSURE) {
|
|
ADD_GETLOCAL(ret, 0, LVAR_ERRINFO, 0);
|
|
ADD_INSN1(ret, 0, throw, INT2FIX(0) /* continue throw */ );
|
|
}
|
|
else {
|
|
ADD_INSN(ret, ISEQ_COMPILE_DATA(iseq)->last_line, leave);
|
|
}
|
|
|
|
#if SUPPORT_JOKE
|
|
if (ISEQ_COMPILE_DATA(iseq)->labels_table) {
|
|
st_table *labels_table = ISEQ_COMPILE_DATA(iseq)->labels_table;
|
|
ISEQ_COMPILE_DATA(iseq)->labels_table = 0;
|
|
validate_labels(iseq, labels_table);
|
|
}
|
|
#endif
|
|
CHECK(iseq_setup_insn(iseq, ret));
|
|
return iseq_setup(iseq, ret);
|
|
}
|
|
|
|
int
|
|
rb_iseq_translate_threaded_code(rb_iseq_t *iseq)
|
|
{
|
|
#if OPT_DIRECT_THREADED_CODE || OPT_CALL_THREADED_CODE
|
|
const void * const *table = rb_vm_get_insns_address_table();
|
|
unsigned int i;
|
|
VALUE *encoded = (VALUE *)iseq->body->iseq_encoded;
|
|
|
|
for (i = 0; i < iseq->body->iseq_size; /* */ ) {
|
|
int insn = (int)iseq->body->iseq_encoded[i];
|
|
int len = insn_len(insn);
|
|
encoded[i] = (VALUE)table[insn];
|
|
i += len;
|
|
}
|
|
FL_SET(iseq, ISEQ_TRANSLATED);
|
|
#endif
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
VALUE *
|
|
rb_iseq_original_iseq(const rb_iseq_t *iseq) /* cold path */
|
|
{
|
|
VALUE *original_code;
|
|
|
|
if (ISEQ_ORIGINAL_ISEQ(iseq)) return ISEQ_ORIGINAL_ISEQ(iseq);
|
|
original_code = ISEQ_ORIGINAL_ISEQ_ALLOC(iseq, iseq->body->iseq_size);
|
|
MEMCPY(original_code, iseq->body->iseq_encoded, VALUE, iseq->body->iseq_size);
|
|
|
|
#if OPT_DIRECT_THREADED_CODE || OPT_CALL_THREADED_CODE
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < iseq->body->iseq_size; /* */ ) {
|
|
const void *addr = (const void *)original_code[i];
|
|
const int insn = rb_vm_insn_addr2insn(addr);
|
|
|
|
original_code[i] = insn;
|
|
i += insn_len(insn);
|
|
}
|
|
}
|
|
#endif
|
|
return original_code;
|
|
}
|
|
|
|
/*********************************************/
|
|
/* definition of data structure for compiler */
|
|
/*********************************************/
|
|
|
|
/*
|
|
* On 32-bit SPARC, GCC by default generates SPARC V7 code that may require
|
|
* 8-byte word alignment. On the other hand, Oracle Solaris Studio seems to
|
|
* generate SPARCV8PLUS code with unaligned memory access instructions.
|
|
* That is why the STRICT_ALIGNMENT is defined only with GCC.
|
|
*/
|
|
#if defined(__sparc) && SIZEOF_VOIDP == 4 && defined(__GNUC__)
|
|
#define STRICT_ALIGNMENT
|
|
#endif
|
|
|
|
#ifdef STRICT_ALIGNMENT
|
|
#if defined(HAVE_TRUE_LONG_LONG) && SIZEOF_LONG_LONG > SIZEOF_VALUE
|
|
#define ALIGNMENT_SIZE SIZEOF_LONG_LONG
|
|
#else
|
|
#define ALIGNMENT_SIZE SIZEOF_VALUE
|
|
#endif
|
|
#define PADDING_SIZE_MAX ((size_t)((ALIGNMENT_SIZE) - 1))
|
|
#define ALIGNMENT_SIZE_MASK PADDING_SIZE_MAX
|
|
/* Note: ALIGNMENT_SIZE == (2 ** N) is expected. */
|
|
#else
|
|
#define PADDING_SIZE_MAX 0
|
|
#endif /* STRICT_ALIGNMENT */
|
|
|
|
#ifdef STRICT_ALIGNMENT
|
|
/* calculate padding size for aligned memory access */
|
|
static size_t
|
|
calc_padding(void *ptr, size_t size)
|
|
{
|
|
size_t mis;
|
|
size_t padding = 0;
|
|
|
|
mis = (size_t)ptr & ALIGNMENT_SIZE_MASK;
|
|
if (mis > 0) {
|
|
padding = ALIGNMENT_SIZE - mis;
|
|
}
|
|
/*
|
|
* On 32-bit sparc or equivalents, when a single VALUE is requested
|
|
* and padding == sizeof(VALUE), it is clear that no padding is needed.
|
|
*/
|
|
#if ALIGNMENT_SIZE > SIZEOF_VALUE
|
|
if (size == sizeof(VALUE) && padding == sizeof(VALUE)) {
|
|
padding = 0;
|
|
}
|
|
#endif
|
|
|
|
return padding;
|
|
}
|
|
#endif /* STRICT_ALIGNMENT */
|
|
|
|
static void *
|
|
compile_data_alloc(rb_iseq_t *iseq, size_t size)
|
|
{
|
|
void *ptr = 0;
|
|
struct iseq_compile_data_storage *storage =
|
|
ISEQ_COMPILE_DATA(iseq)->storage_current;
|
|
#ifdef STRICT_ALIGNMENT
|
|
size_t padding = calc_padding((void *)&storage->buff[storage->pos], size);
|
|
#else
|
|
const size_t padding = 0; /* expected to be optimized by compiler */
|
|
#endif /* STRICT_ALIGNMENT */
|
|
|
|
if (size >= INT_MAX - padding) rb_memerror();
|
|
if (storage->pos + size + padding > storage->size) {
|
|
unsigned int alloc_size = storage->size;
|
|
|
|
while (alloc_size < size + PADDING_SIZE_MAX) {
|
|
if (alloc_size >= INT_MAX / 2) rb_memerror();
|
|
alloc_size *= 2;
|
|
}
|
|
storage->next = (void *)ALLOC_N(char, alloc_size +
|
|
offsetof(struct iseq_compile_data_storage, buff));
|
|
storage = ISEQ_COMPILE_DATA(iseq)->storage_current = storage->next;
|
|
storage->next = 0;
|
|
storage->pos = 0;
|
|
storage->size = alloc_size;
|
|
#ifdef STRICT_ALIGNMENT
|
|
padding = calc_padding((void *)&storage->buff[storage->pos], size);
|
|
#endif /* STRICT_ALIGNMENT */
|
|
}
|
|
|
|
#ifdef STRICT_ALIGNMENT
|
|
storage->pos += (int)padding;
|
|
#endif /* STRICT_ALIGNMENT */
|
|
|
|
ptr = (void *)&storage->buff[storage->pos];
|
|
storage->pos += (int)size;
|
|
return ptr;
|
|
}
|
|
|
|
static INSN *
|
|
compile_data_alloc_insn(rb_iseq_t *iseq)
|
|
{
|
|
return (INSN *)compile_data_alloc(iseq, sizeof(INSN));
|
|
}
|
|
|
|
static LABEL *
|
|
compile_data_alloc_label(rb_iseq_t *iseq)
|
|
{
|
|
return (LABEL *)compile_data_alloc(iseq, sizeof(LABEL));
|
|
}
|
|
|
|
static ADJUST *
|
|
compile_data_alloc_adjust(rb_iseq_t *iseq)
|
|
{
|
|
return (ADJUST *)compile_data_alloc(iseq, sizeof(ADJUST));
|
|
}
|
|
|
|
static TRACE *
|
|
compile_data_alloc_trace(rb_iseq_t *iseq)
|
|
{
|
|
return (TRACE *)compile_data_alloc(iseq, sizeof(TRACE));
|
|
}
|
|
|
|
/*
|
|
* elem1, elemX => elem1, elem2, elemX
|
|
*/
|
|
static void
|
|
ELEM_INSERT_NEXT(LINK_ELEMENT *elem1, LINK_ELEMENT *elem2)
|
|
{
|
|
elem2->next = elem1->next;
|
|
elem2->prev = elem1;
|
|
elem1->next = elem2;
|
|
if (elem2->next) {
|
|
elem2->next->prev = elem2;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* elem1, elemX => elemX, elem2, elem1
|
|
*/
|
|
static void
|
|
ELEM_INSERT_PREV(LINK_ELEMENT *elem1, LINK_ELEMENT *elem2)
|
|
{
|
|
elem2->prev = elem1->prev;
|
|
elem2->next = elem1;
|
|
elem1->prev = elem2;
|
|
if (elem2->prev) {
|
|
elem2->prev->next = elem2;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* elemX, elem1, elemY => elemX, elem2, elemY
|
|
*/
|
|
static void
|
|
ELEM_REPLACE(LINK_ELEMENT *elem1, LINK_ELEMENT *elem2)
|
|
{
|
|
elem2->prev = elem1->prev;
|
|
elem2->next = elem1->next;
|
|
if (elem1->prev) {
|
|
elem1->prev->next = elem2;
|
|
}
|
|
if (elem1->next) {
|
|
elem1->next->prev = elem2;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ELEM_REMOVE(LINK_ELEMENT *elem)
|
|
{
|
|
elem->prev->next = elem->next;
|
|
if (elem->next) {
|
|
elem->next->prev = elem->prev;
|
|
}
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
FIRST_ELEMENT(const LINK_ANCHOR *const anchor)
|
|
{
|
|
return anchor->anchor.next;
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
LAST_ELEMENT(LINK_ANCHOR *const anchor)
|
|
{
|
|
return anchor->last;
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
POP_ELEMENT(ISEQ_ARG_DECLARE LINK_ANCHOR *const anchor)
|
|
{
|
|
LINK_ELEMENT *elem = anchor->last;
|
|
anchor->last = anchor->last->prev;
|
|
anchor->last->next = 0;
|
|
verify_list("pop", anchor);
|
|
return elem;
|
|
}
|
|
#if CPDEBUG < 0
|
|
#define POP_ELEMENT(anchor) POP_ELEMENT(iseq, (anchor))
|
|
#endif
|
|
|
|
static LINK_ELEMENT *
|
|
ELEM_FIRST_INSN(LINK_ELEMENT *elem)
|
|
{
|
|
while (elem) {
|
|
switch (elem->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
return elem;
|
|
default:
|
|
elem = elem->next;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
LIST_INSN_SIZE_ONE(const LINK_ANCHOR *const anchor)
|
|
{
|
|
LINK_ELEMENT *first_insn = ELEM_FIRST_INSN(FIRST_ELEMENT(anchor));
|
|
if (first_insn != NULL &&
|
|
ELEM_FIRST_INSN(first_insn->next) == NULL) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
LIST_INSN_SIZE_ZERO(const LINK_ANCHOR *const anchor)
|
|
{
|
|
if (ELEM_FIRST_INSN(FIRST_ELEMENT(anchor)) == NULL) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* anc1: e1, e2, e3
|
|
* anc2: e4, e5
|
|
*#=>
|
|
* anc1: e1, e2, e3, e4, e5
|
|
* anc2: e4, e5 (broken)
|
|
*/
|
|
static void
|
|
APPEND_LIST(ISEQ_ARG_DECLARE LINK_ANCHOR *const anc1, LINK_ANCHOR *const anc2)
|
|
{
|
|
if (anc2->anchor.next) {
|
|
anc1->last->next = anc2->anchor.next;
|
|
anc2->anchor.next->prev = anc1->last;
|
|
anc1->last = anc2->last;
|
|
}
|
|
verify_list("append", anc1);
|
|
}
|
|
#if CPDEBUG < 0
|
|
#define APPEND_LIST(anc1, anc2) APPEND_LIST(iseq, (anc1), (anc2))
|
|
#endif
|
|
|
|
#if CPDEBUG && 0
|
|
static void
|
|
debug_list(ISEQ_ARG_DECLARE LINK_ANCHOR *const anchor)
|
|
{
|
|
LINK_ELEMENT *list = FIRST_ELEMENT(anchor);
|
|
printf("----\n");
|
|
printf("anch: %p, frst: %p, last: %p\n", &anchor->anchor,
|
|
anchor->anchor.next, anchor->last);
|
|
while (list) {
|
|
printf("curr: %p, next: %p, prev: %p, type: %d\n", list, list->next,
|
|
list->prev, FIX2INT(list->type));
|
|
list = list->next;
|
|
}
|
|
printf("----\n");
|
|
|
|
dump_disasm_list(anchor->anchor.next);
|
|
verify_list("debug list", anchor);
|
|
}
|
|
#if CPDEBUG < 0
|
|
#define debug_list(anc) debug_list(iseq, (anc))
|
|
#endif
|
|
#else
|
|
#define debug_list(anc) ((void)0)
|
|
#endif
|
|
|
|
static TRACE *
|
|
new_trace_body(rb_iseq_t *iseq, rb_event_flag_t event, long data)
|
|
{
|
|
TRACE *trace = compile_data_alloc_trace(iseq);
|
|
|
|
trace->link.type = ISEQ_ELEMENT_TRACE;
|
|
trace->link.next = NULL;
|
|
trace->event = event;
|
|
trace->data = data;
|
|
|
|
return trace;
|
|
}
|
|
|
|
static LABEL *
|
|
new_label_body(rb_iseq_t *iseq, long line)
|
|
{
|
|
LABEL *labelobj = compile_data_alloc_label(iseq);
|
|
|
|
labelobj->link.type = ISEQ_ELEMENT_LABEL;
|
|
labelobj->link.next = 0;
|
|
|
|
labelobj->label_no = ISEQ_COMPILE_DATA(iseq)->label_no++;
|
|
labelobj->sc_state = 0;
|
|
labelobj->sp = -1;
|
|
labelobj->refcnt = 0;
|
|
labelobj->set = 0;
|
|
labelobj->rescued = LABEL_RESCUE_NONE;
|
|
labelobj->unremovable = 0;
|
|
return labelobj;
|
|
}
|
|
|
|
static ADJUST *
|
|
new_adjust_body(rb_iseq_t *iseq, LABEL *label, int line)
|
|
{
|
|
ADJUST *adjust = compile_data_alloc_adjust(iseq);
|
|
adjust->link.type = ISEQ_ELEMENT_ADJUST;
|
|
adjust->link.next = 0;
|
|
adjust->label = label;
|
|
adjust->line_no = line;
|
|
LABEL_UNREMOVABLE(label);
|
|
return adjust;
|
|
}
|
|
|
|
static INSN *
|
|
new_insn_core(rb_iseq_t *iseq, int line_no,
|
|
int insn_id, int argc, VALUE *argv)
|
|
{
|
|
INSN *iobj = compile_data_alloc_insn(iseq);
|
|
|
|
/* printf("insn_id: %d, line: %d\n", insn_id, line_no); */
|
|
|
|
iobj->link.type = ISEQ_ELEMENT_INSN;
|
|
iobj->link.next = 0;
|
|
iobj->insn_id = insn_id;
|
|
iobj->insn_info.line_no = line_no;
|
|
iobj->insn_info.events = 0;
|
|
iobj->operands = argv;
|
|
iobj->operand_size = argc;
|
|
iobj->sc_state = 0;
|
|
return iobj;
|
|
}
|
|
|
|
static INSN *
|
|
new_insn_body(rb_iseq_t *iseq, int line_no, enum ruby_vminsn_type insn_id, int argc, ...)
|
|
{
|
|
VALUE *operands = 0;
|
|
va_list argv;
|
|
if (argc > 0) {
|
|
int i;
|
|
va_init_list(argv, argc);
|
|
operands = (VALUE *)compile_data_alloc(iseq, sizeof(VALUE) * argc);
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE v = va_arg(argv, VALUE);
|
|
operands[i] = v;
|
|
}
|
|
va_end(argv);
|
|
}
|
|
return new_insn_core(iseq, line_no, insn_id, argc, operands);
|
|
}
|
|
|
|
static struct rb_call_info *
|
|
new_callinfo(rb_iseq_t *iseq, ID mid, int argc, unsigned int flag, struct rb_call_info_kw_arg *kw_arg, int has_blockiseq)
|
|
{
|
|
size_t size = kw_arg != NULL ? sizeof(struct rb_call_info_with_kwarg) : sizeof(struct rb_call_info);
|
|
struct rb_call_info *ci = (struct rb_call_info *)compile_data_alloc(iseq, size);
|
|
struct rb_call_info_with_kwarg *ci_kw = (struct rb_call_info_with_kwarg *)ci;
|
|
|
|
ci->mid = mid;
|
|
ci->flag = flag;
|
|
ci->orig_argc = argc;
|
|
|
|
if (kw_arg) {
|
|
ci->flag |= VM_CALL_KWARG;
|
|
ci_kw->kw_arg = kw_arg;
|
|
ci->orig_argc += kw_arg->keyword_len;
|
|
iseq->body->ci_kw_size++;
|
|
}
|
|
else {
|
|
iseq->body->ci_size++;
|
|
}
|
|
|
|
if (!(ci->flag & (VM_CALL_ARGS_SPLAT | VM_CALL_ARGS_BLOCKARG | VM_CALL_KW_SPLAT)) &&
|
|
kw_arg == NULL && !has_blockiseq) {
|
|
ci->flag |= VM_CALL_ARGS_SIMPLE;
|
|
}
|
|
return ci;
|
|
}
|
|
|
|
static INSN *
|
|
new_insn_send(rb_iseq_t *iseq, int line_no, ID id, VALUE argc, const rb_iseq_t *blockiseq, VALUE flag, struct rb_call_info_kw_arg *keywords)
|
|
{
|
|
VALUE *operands = (VALUE *)compile_data_alloc(iseq, sizeof(VALUE) * 3);
|
|
operands[0] = (VALUE)new_callinfo(iseq, id, FIX2INT(argc), FIX2INT(flag), keywords, blockiseq != NULL);
|
|
operands[1] = Qfalse; /* cache */
|
|
operands[2] = (VALUE)blockiseq;
|
|
return new_insn_core(iseq, line_no, BIN(send), 3, operands);
|
|
}
|
|
|
|
static rb_iseq_t *
|
|
new_child_iseq(rb_iseq_t *iseq, const NODE *const node,
|
|
VALUE name, const rb_iseq_t *parent, enum iseq_type type, int line_no)
|
|
{
|
|
rb_iseq_t *ret_iseq;
|
|
rb_ast_body_t ast;
|
|
|
|
ast.root = node;
|
|
ast.compile_option = 0;
|
|
ast.line_count = -1;
|
|
|
|
debugs("[new_child_iseq]> ---------------------------------------\n");
|
|
ret_iseq = rb_iseq_new_with_opt(&ast, name,
|
|
rb_iseq_path(iseq), rb_iseq_realpath(iseq),
|
|
INT2FIX(line_no), parent, type, ISEQ_COMPILE_DATA(iseq)->option);
|
|
debugs("[new_child_iseq]< ---------------------------------------\n");
|
|
iseq_add_mark_object_compile_time(iseq, (VALUE)ret_iseq);
|
|
return ret_iseq;
|
|
}
|
|
|
|
static rb_iseq_t *
|
|
new_child_iseq_ifunc(rb_iseq_t *iseq, const struct vm_ifunc *ifunc,
|
|
VALUE name, const rb_iseq_t *parent, enum iseq_type type, int line_no)
|
|
{
|
|
rb_iseq_t *ret_iseq;
|
|
|
|
debugs("[new_child_iseq_ifunc]> ---------------------------------------\n");
|
|
ret_iseq = rb_iseq_new_ifunc(ifunc, name,
|
|
rb_iseq_path(iseq), rb_iseq_realpath(iseq),
|
|
INT2FIX(line_no), parent, type, ISEQ_COMPILE_DATA(iseq)->option);
|
|
debugs("[new_child_iseq_ifunc]< ---------------------------------------\n");
|
|
iseq_add_mark_object_compile_time(iseq, (VALUE)ret_iseq);
|
|
return ret_iseq;
|
|
}
|
|
|
|
static void
|
|
set_catch_except_p(struct rb_iseq_constant_body *body)
|
|
{
|
|
body->catch_except_p = TRUE;
|
|
if (body->parent_iseq != NULL) {
|
|
set_catch_except_p(body->parent_iseq->body);
|
|
}
|
|
}
|
|
|
|
/* Set body->catch_except_p to TRUE if the ISeq may catch an exception. If it is FALSE,
|
|
JIT-ed code may be optimized. If we are extremely conservative, we should set TRUE
|
|
if catch table exists. But we want to optimize while loop, which always has catch
|
|
table entries for break/next/redo.
|
|
|
|
So this function sets TRUE for limited ISeqs with break/next/redo catch table entries
|
|
whose child ISeq would really raise an exception. */
|
|
static void
|
|
update_catch_except_flags(struct rb_iseq_constant_body *body)
|
|
{
|
|
unsigned int pos;
|
|
size_t i;
|
|
int insn;
|
|
const struct iseq_catch_table *ct = body->catch_table;
|
|
|
|
/* This assumes that a block has parent_iseq which may catch an exception from the block, and that
|
|
BREAK/NEXT/REDO catch table entries are used only when `throw` insn is used in the block. */
|
|
pos = 0;
|
|
while (pos < body->iseq_size) {
|
|
#if OPT_DIRECT_THREADED_CODE || OPT_CALL_THREADED_CODE
|
|
insn = rb_vm_insn_addr2insn((void *)body->iseq_encoded[pos]);
|
|
#else
|
|
insn = (int)body->iseq_encoded[pos];
|
|
#endif
|
|
if (insn == BIN(throw)) {
|
|
set_catch_except_p(body);
|
|
break;
|
|
}
|
|
pos += insn_len(insn);
|
|
}
|
|
|
|
if (ct == NULL)
|
|
return;
|
|
|
|
for (i = 0; i < ct->size; i++) {
|
|
const struct iseq_catch_table_entry *entry =
|
|
UNALIGNED_MEMBER_PTR(ct, entries[i]);
|
|
if (entry->type != CATCH_TYPE_BREAK
|
|
&& entry->type != CATCH_TYPE_NEXT
|
|
&& entry->type != CATCH_TYPE_REDO) {
|
|
body->catch_except_p = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
iseq_insert_nop_between_end_and_cont(rb_iseq_t *iseq)
|
|
{
|
|
VALUE catch_table_ary = ISEQ_COMPILE_DATA(iseq)->catch_table_ary;
|
|
if (NIL_P(catch_table_ary)) return;
|
|
unsigned int i, tlen = (unsigned int)RARRAY_LEN(catch_table_ary);
|
|
const VALUE *tptr = RARRAY_CONST_PTR_TRANSIENT(catch_table_ary);
|
|
for (i = 0; i < tlen; i++) {
|
|
const VALUE *ptr = RARRAY_CONST_PTR_TRANSIENT(tptr[i]);
|
|
LINK_ELEMENT *end = (LINK_ELEMENT *)(ptr[2] & ~1);
|
|
LINK_ELEMENT *cont = (LINK_ELEMENT *)(ptr[4] & ~1);
|
|
LINK_ELEMENT *e;
|
|
for (e = end; e && (IS_LABEL(e) || IS_TRACE(e)); e = e->next) {
|
|
if (e == cont) {
|
|
INSN *nop = new_insn_core(iseq, 0, BIN(nop), 0, 0);
|
|
ELEM_INSERT_NEXT(end, &nop->link);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
iseq_setup_insn(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
if (RTEST(ISEQ_COMPILE_DATA(iseq)->err_info))
|
|
return COMPILE_NG;
|
|
|
|
/* debugs("[compile step 2] (iseq_array_to_linkedlist)\n"); */
|
|
|
|
if (compile_debug > 5)
|
|
dump_disasm_list(FIRST_ELEMENT(anchor));
|
|
|
|
debugs("[compile step 3.1 (iseq_optimize)]\n");
|
|
iseq_optimize(iseq, anchor);
|
|
|
|
if (compile_debug > 5)
|
|
dump_disasm_list(FIRST_ELEMENT(anchor));
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->instructions_unification) {
|
|
debugs("[compile step 3.2 (iseq_insns_unification)]\n");
|
|
iseq_insns_unification(iseq, anchor);
|
|
if (compile_debug > 5)
|
|
dump_disasm_list(FIRST_ELEMENT(anchor));
|
|
}
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->stack_caching) {
|
|
debugs("[compile step 3.3 (iseq_set_sequence_stackcaching)]\n");
|
|
iseq_set_sequence_stackcaching(iseq, anchor);
|
|
if (compile_debug > 5)
|
|
dump_disasm_list(FIRST_ELEMENT(anchor));
|
|
}
|
|
|
|
debugs("[compile step 3.4 (iseq_insert_nop_between_end_and_cont)]\n");
|
|
iseq_insert_nop_between_end_and_cont(iseq);
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
iseq_setup(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
if (RTEST(ISEQ_COMPILE_DATA(iseq)->err_info))
|
|
return COMPILE_NG;
|
|
|
|
debugs("[compile step 4.1 (iseq_set_sequence)]\n");
|
|
if (!iseq_set_sequence(iseq, anchor)) return COMPILE_NG;
|
|
if (compile_debug > 5)
|
|
dump_disasm_list(FIRST_ELEMENT(anchor));
|
|
|
|
debugs("[compile step 4.2 (iseq_set_exception_table)]\n");
|
|
if (!iseq_set_exception_table(iseq)) return COMPILE_NG;
|
|
|
|
debugs("[compile step 4.3 (set_optargs_table)] \n");
|
|
if (!iseq_set_optargs_table(iseq)) return COMPILE_NG;
|
|
|
|
debugs("[compile step 5 (iseq_translate_threaded_code)] \n");
|
|
if (!rb_iseq_translate_threaded_code(iseq)) return COMPILE_NG;
|
|
|
|
update_catch_except_flags(iseq->body);
|
|
|
|
if (compile_debug > 1) {
|
|
VALUE str = rb_iseq_disasm(iseq);
|
|
printf("%s\n", StringValueCStr(str));
|
|
}
|
|
debugs("[compile step: finish]\n");
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
iseq_set_exception_local_table(rb_iseq_t *iseq)
|
|
{
|
|
iseq->body->local_table_size = numberof(rb_iseq_shared_exc_local_tbl);
|
|
iseq->body->local_table = rb_iseq_shared_exc_local_tbl;
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
get_lvar_level(const rb_iseq_t *iseq)
|
|
{
|
|
int lev = 0;
|
|
while (iseq != iseq->body->local_iseq) {
|
|
lev++;
|
|
iseq = iseq->body->parent_iseq;
|
|
}
|
|
return lev;
|
|
}
|
|
|
|
static int
|
|
get_dyna_var_idx_at_raw(const rb_iseq_t *iseq, ID id)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < iseq->body->local_table_size; i++) {
|
|
if (iseq->body->local_table[i] == id) {
|
|
return (int)i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
get_local_var_idx(const rb_iseq_t *iseq, ID id)
|
|
{
|
|
int idx = get_dyna_var_idx_at_raw(iseq->body->local_iseq, id);
|
|
|
|
if (idx < 0) {
|
|
COMPILE_ERROR(iseq, ISEQ_LAST_LINE(iseq),
|
|
"get_local_var_idx: %d", idx);
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
static int
|
|
get_dyna_var_idx(const rb_iseq_t *iseq, ID id, int *level, int *ls)
|
|
{
|
|
int lv = 0, idx = -1;
|
|
const rb_iseq_t *const topmost_iseq = iseq;
|
|
|
|
while (iseq) {
|
|
idx = get_dyna_var_idx_at_raw(iseq, id);
|
|
if (idx >= 0) {
|
|
break;
|
|
}
|
|
iseq = iseq->body->parent_iseq;
|
|
lv++;
|
|
}
|
|
|
|
if (idx < 0) {
|
|
COMPILE_ERROR(topmost_iseq, ISEQ_LAST_LINE(topmost_iseq),
|
|
"get_dyna_var_idx: -1");
|
|
}
|
|
|
|
*level = lv;
|
|
*ls = iseq->body->local_table_size;
|
|
return idx;
|
|
}
|
|
|
|
static int
|
|
iseq_local_block_param_p(const rb_iseq_t *iseq, unsigned int idx, unsigned int level)
|
|
{
|
|
const struct rb_iseq_constant_body *body;
|
|
while (level > 0) {
|
|
iseq = iseq->body->parent_iseq;
|
|
level--;
|
|
}
|
|
body = iseq->body;
|
|
if (body->local_iseq == iseq && /* local variables */
|
|
body->param.flags.has_block &&
|
|
body->local_table_size - body->param.block_start == idx) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
iseq_block_param_id_p(const rb_iseq_t *iseq, ID id, int *pidx, int *plevel)
|
|
{
|
|
int level, ls;
|
|
int idx = get_dyna_var_idx(iseq, id, &level, &ls);
|
|
if (iseq_local_block_param_p(iseq, ls - idx, level)) {
|
|
*pidx = ls - idx;
|
|
*plevel = level;
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
iseq_add_getlocal(rb_iseq_t *iseq, LINK_ANCHOR *const seq, int line, int idx, int level)
|
|
{
|
|
if (iseq_local_block_param_p(iseq, idx, level)) {
|
|
ADD_INSN2(seq, line, getblockparam, INT2FIX((idx) + VM_ENV_DATA_SIZE - 1), INT2FIX(level));
|
|
}
|
|
else {
|
|
ADD_INSN2(seq, line, getlocal, INT2FIX((idx) + VM_ENV_DATA_SIZE - 1), INT2FIX(level));
|
|
}
|
|
}
|
|
|
|
static void
|
|
iseq_add_setlocal(rb_iseq_t *iseq, LINK_ANCHOR *const seq, int line, int idx, int level)
|
|
{
|
|
if (iseq_local_block_param_p(iseq, idx, level)) {
|
|
ADD_INSN2(seq, line, setblockparam, INT2FIX((idx) + VM_ENV_DATA_SIZE - 1), INT2FIX(level));
|
|
}
|
|
else {
|
|
ADD_INSN2(seq, line, setlocal, INT2FIX((idx) + VM_ENV_DATA_SIZE - 1), INT2FIX(level));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
iseq_calc_param_size(rb_iseq_t *iseq)
|
|
{
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
if (body->param.flags.has_opt ||
|
|
body->param.flags.has_post ||
|
|
body->param.flags.has_rest ||
|
|
body->param.flags.has_block ||
|
|
body->param.flags.has_kw ||
|
|
body->param.flags.has_kwrest) {
|
|
|
|
if (body->param.flags.has_block) {
|
|
body->param.size = body->param.block_start + 1;
|
|
}
|
|
else if (body->param.flags.has_kwrest) {
|
|
body->param.size = body->param.keyword->rest_start + 1;
|
|
}
|
|
else if (body->param.flags.has_kw) {
|
|
body->param.size = body->param.keyword->bits_start + 1;
|
|
}
|
|
else if (body->param.flags.has_post) {
|
|
body->param.size = body->param.post_start + body->param.post_num;
|
|
}
|
|
else if (body->param.flags.has_rest) {
|
|
body->param.size = body->param.rest_start + 1;
|
|
}
|
|
else if (body->param.flags.has_opt) {
|
|
body->param.size = body->param.lead_num + body->param.opt_num;
|
|
}
|
|
else {
|
|
UNREACHABLE;
|
|
}
|
|
}
|
|
else {
|
|
body->param.size = body->param.lead_num;
|
|
}
|
|
}
|
|
|
|
static int
|
|
iseq_set_arguments_keywords(rb_iseq_t *iseq, LINK_ANCHOR *const optargs,
|
|
const struct rb_args_info *args, int arg_size)
|
|
{
|
|
const NODE *node = args->kw_args;
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
struct rb_iseq_param_keyword *keyword;
|
|
const VALUE default_values = rb_ary_tmp_new(1);
|
|
const VALUE complex_mark = rb_str_tmp_new(0);
|
|
int kw = 0, rkw = 0, di = 0, i;
|
|
|
|
body->param.flags.has_kw = TRUE;
|
|
body->param.keyword = keyword = ZALLOC_N(struct rb_iseq_param_keyword, 1);
|
|
|
|
while (node) {
|
|
kw++;
|
|
node = node->nd_next;
|
|
}
|
|
arg_size += kw;
|
|
keyword->bits_start = arg_size++;
|
|
|
|
node = args->kw_args;
|
|
while (node) {
|
|
const NODE *val_node = node->nd_body->nd_value;
|
|
VALUE dv;
|
|
|
|
if (val_node == (const NODE *)-1) {
|
|
++rkw;
|
|
}
|
|
else {
|
|
switch (nd_type(val_node)) {
|
|
case NODE_LIT:
|
|
dv = val_node->nd_lit;
|
|
iseq_add_mark_object_compile_time(iseq, dv);
|
|
break;
|
|
case NODE_NIL:
|
|
dv = Qnil;
|
|
break;
|
|
case NODE_TRUE:
|
|
dv = Qtrue;
|
|
break;
|
|
case NODE_FALSE:
|
|
dv = Qfalse;
|
|
break;
|
|
default:
|
|
COMPILE_POPPED(optargs, "kwarg", node); /* nd_type(node) == NODE_KW_ARG */
|
|
dv = complex_mark;
|
|
}
|
|
|
|
keyword->num = ++di;
|
|
rb_ary_push(default_values, dv);
|
|
}
|
|
|
|
node = node->nd_next;
|
|
}
|
|
|
|
keyword->num = kw;
|
|
|
|
if (args->kw_rest_arg->nd_vid != 0) {
|
|
keyword->rest_start = arg_size++;
|
|
body->param.flags.has_kwrest = TRUE;
|
|
}
|
|
keyword->required_num = rkw;
|
|
keyword->table = &body->local_table[keyword->bits_start - keyword->num];
|
|
|
|
{
|
|
VALUE *dvs = ALLOC_N(VALUE, RARRAY_LEN(default_values));
|
|
|
|
for (i = 0; i < RARRAY_LEN(default_values); i++) {
|
|
VALUE dv = RARRAY_AREF(default_values, i);
|
|
if (dv == complex_mark) dv = Qundef;
|
|
if (!SPECIAL_CONST_P(dv)) {
|
|
RB_OBJ_WRITTEN(iseq, Qundef, dv);
|
|
}
|
|
dvs[i] = dv;
|
|
}
|
|
|
|
keyword->default_values = dvs;
|
|
}
|
|
return arg_size;
|
|
}
|
|
|
|
static int
|
|
iseq_set_arguments(rb_iseq_t *iseq, LINK_ANCHOR *const optargs, const NODE *const node_args)
|
|
{
|
|
debugs("iseq_set_arguments: %s\n", node_args ? "" : "0");
|
|
|
|
if (node_args) {
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
struct rb_args_info *args = node_args->nd_ainfo;
|
|
ID rest_id = 0;
|
|
int last_comma = 0;
|
|
ID block_id = 0;
|
|
int arg_size;
|
|
|
|
EXPECT_NODE("iseq_set_arguments", node_args, NODE_ARGS, COMPILE_NG);
|
|
|
|
body->param.lead_num = arg_size = (int)args->pre_args_num;
|
|
if (body->param.lead_num > 0) body->param.flags.has_lead = TRUE;
|
|
debugs(" - argc: %d\n", body->param.lead_num);
|
|
|
|
rest_id = args->rest_arg;
|
|
if (rest_id == 1) {
|
|
last_comma = 1;
|
|
rest_id = 0;
|
|
}
|
|
block_id = args->block_arg;
|
|
|
|
if (args->opt_args) {
|
|
const NODE *node = args->opt_args;
|
|
LABEL *label;
|
|
VALUE labels = rb_ary_tmp_new(1);
|
|
VALUE *opt_table;
|
|
int i = 0, j;
|
|
|
|
while (node) {
|
|
label = NEW_LABEL(nd_line(node));
|
|
rb_ary_push(labels, (VALUE)label | 1);
|
|
ADD_LABEL(optargs, label);
|
|
COMPILE_POPPED(optargs, "optarg", node->nd_body);
|
|
node = node->nd_next;
|
|
i += 1;
|
|
}
|
|
|
|
/* last label */
|
|
label = NEW_LABEL(nd_line(node_args));
|
|
rb_ary_push(labels, (VALUE)label | 1);
|
|
ADD_LABEL(optargs, label);
|
|
|
|
opt_table = ALLOC_N(VALUE, i+1);
|
|
|
|
MEMCPY(opt_table, RARRAY_CONST_PTR_TRANSIENT(labels), VALUE, i+1);
|
|
for (j = 0; j < i+1; j++) {
|
|
opt_table[j] &= ~1;
|
|
}
|
|
rb_ary_clear(labels);
|
|
|
|
body->param.flags.has_opt = TRUE;
|
|
body->param.opt_num = i;
|
|
body->param.opt_table = opt_table;
|
|
arg_size += i;
|
|
}
|
|
|
|
if (rest_id) {
|
|
body->param.rest_start = arg_size++;
|
|
body->param.flags.has_rest = TRUE;
|
|
assert(body->param.rest_start != -1);
|
|
}
|
|
|
|
if (args->first_post_arg) {
|
|
body->param.post_start = arg_size;
|
|
body->param.post_num = args->post_args_num;
|
|
body->param.flags.has_post = TRUE;
|
|
arg_size += args->post_args_num;
|
|
|
|
if (body->param.flags.has_rest) { /* TODO: why that? */
|
|
body->param.post_start = body->param.rest_start + 1;
|
|
}
|
|
}
|
|
|
|
if (args->kw_args) {
|
|
arg_size = iseq_set_arguments_keywords(iseq, optargs, args, arg_size);
|
|
}
|
|
else if (args->kw_rest_arg) {
|
|
struct rb_iseq_param_keyword *keyword = ZALLOC_N(struct rb_iseq_param_keyword, 1);
|
|
keyword->rest_start = arg_size++;
|
|
body->param.keyword = keyword;
|
|
body->param.flags.has_kwrest = TRUE;
|
|
}
|
|
|
|
if (block_id) {
|
|
body->param.block_start = arg_size++;
|
|
body->param.flags.has_block = TRUE;
|
|
}
|
|
|
|
iseq_calc_param_size(iseq);
|
|
body->param.size = arg_size;
|
|
|
|
if (args->pre_init) { /* m_init */
|
|
COMPILE_POPPED(optargs, "init arguments (m)", args->pre_init);
|
|
}
|
|
if (args->post_init) { /* p_init */
|
|
COMPILE_POPPED(optargs, "init arguments (p)", args->post_init);
|
|
}
|
|
|
|
if (body->type == ISEQ_TYPE_BLOCK) {
|
|
if (body->param.flags.has_opt == FALSE &&
|
|
body->param.flags.has_post == FALSE &&
|
|
body->param.flags.has_rest == FALSE &&
|
|
body->param.flags.has_kw == FALSE &&
|
|
body->param.flags.has_kwrest == FALSE) {
|
|
|
|
if (body->param.lead_num == 1 && last_comma == 0) {
|
|
/* {|a|} */
|
|
body->param.flags.ambiguous_param0 = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
iseq_set_local_table(rb_iseq_t *iseq, const ID *tbl)
|
|
{
|
|
unsigned int size;
|
|
|
|
if (tbl) {
|
|
size = (unsigned int)*tbl;
|
|
tbl++;
|
|
}
|
|
else {
|
|
size = 0;
|
|
}
|
|
|
|
if (size > 0) {
|
|
ID *ids = (ID *)ALLOC_N(ID, size);
|
|
MEMCPY(ids, tbl, ID, size);
|
|
iseq->body->local_table = ids;
|
|
}
|
|
iseq->body->local_table_size = size;
|
|
|
|
debugs("iseq_set_local_table: %u\n", iseq->body->local_table_size);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
cdhash_cmp(VALUE val, VALUE lit)
|
|
{
|
|
int tval, tlit;
|
|
|
|
if (val == lit) {
|
|
return 0;
|
|
}
|
|
else if ((tlit = OBJ_BUILTIN_TYPE(lit)) == -1) {
|
|
return val != lit;
|
|
}
|
|
else if ((tval = OBJ_BUILTIN_TYPE(val)) == -1) {
|
|
return -1;
|
|
}
|
|
else if (tlit != tval) {
|
|
return -1;
|
|
}
|
|
else if (tlit == T_SYMBOL) {
|
|
return val != lit;
|
|
}
|
|
else if (tlit == T_STRING) {
|
|
return rb_str_hash_cmp(lit, val);
|
|
}
|
|
else if (tlit == T_BIGNUM) {
|
|
long x = FIX2LONG(rb_big_cmp(lit, val));
|
|
|
|
/* Given lit and val are both Bignum, x must be -1, 0, 1.
|
|
* There is no need to call rb_fix2int here. */
|
|
RUBY_ASSERT((x == 1) || (x == 0) || (x == -1));
|
|
return (int)x;
|
|
}
|
|
else if (tlit == T_FLOAT) {
|
|
return rb_float_cmp(lit, val);
|
|
}
|
|
else {
|
|
UNREACHABLE_RETURN(-1);
|
|
}
|
|
}
|
|
|
|
static st_index_t
|
|
cdhash_hash(VALUE a)
|
|
{
|
|
switch (OBJ_BUILTIN_TYPE(a)) {
|
|
case -1:
|
|
case T_SYMBOL:
|
|
return (st_index_t)a;
|
|
case T_STRING:
|
|
return rb_str_hash(a);
|
|
case T_BIGNUM:
|
|
return FIX2LONG(rb_big_hash(a));
|
|
case T_FLOAT:
|
|
return rb_dbl_long_hash(RFLOAT_VALUE(a));
|
|
default:
|
|
UNREACHABLE_RETURN(0);
|
|
}
|
|
}
|
|
|
|
static const struct st_hash_type cdhash_type = {
|
|
cdhash_cmp,
|
|
cdhash_hash,
|
|
};
|
|
|
|
struct cdhash_set_label_struct {
|
|
VALUE hash;
|
|
int pos;
|
|
int len;
|
|
};
|
|
|
|
static int
|
|
cdhash_set_label_i(VALUE key, VALUE val, void *ptr)
|
|
{
|
|
struct cdhash_set_label_struct *data = (struct cdhash_set_label_struct *)ptr;
|
|
LABEL *lobj = (LABEL *)(val & ~1);
|
|
rb_hash_aset(data->hash, key, INT2FIX(lobj->position - (data->pos+data->len)));
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
|
|
static inline VALUE
|
|
get_ivar_ic_value(rb_iseq_t *iseq,ID id)
|
|
{
|
|
VALUE val;
|
|
struct rb_id_table *tbl = ISEQ_COMPILE_DATA(iseq)->ivar_cache_table;
|
|
if (tbl) {
|
|
if (rb_id_table_lookup(tbl,id,&val)) {
|
|
return val;
|
|
}
|
|
}
|
|
else {
|
|
tbl = rb_id_table_create(1);
|
|
ISEQ_COMPILE_DATA(iseq)->ivar_cache_table = tbl;
|
|
}
|
|
val = INT2FIX(iseq->body->is_size++);
|
|
rb_id_table_insert(tbl,id,val);
|
|
return val;
|
|
}
|
|
|
|
#define BADINSN_DUMP(anchor, list, dest) \
|
|
dump_disasm_list_with_cursor(FIRST_ELEMENT(anchor), list, dest)
|
|
|
|
#define BADINSN_ERROR \
|
|
(xfree(generated_iseq), \
|
|
xfree(insns_info), \
|
|
BADINSN_DUMP(anchor, list, NULL), \
|
|
COMPILE_ERROR)
|
|
|
|
static int
|
|
fix_sp_depth(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
int stack_max = 0, sp = 0, line = 0;
|
|
LINK_ELEMENT *list;
|
|
|
|
for (list = FIRST_ELEMENT(anchor); list; list = list->next) {
|
|
if (list->type == ISEQ_ELEMENT_LABEL) {
|
|
LABEL *lobj = (LABEL *)list;
|
|
lobj->set = TRUE;
|
|
}
|
|
}
|
|
|
|
for (list = FIRST_ELEMENT(anchor); list; list = list->next) {
|
|
switch (list->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
{
|
|
int j, len, insn;
|
|
const char *types;
|
|
VALUE *operands;
|
|
INSN *iobj = (INSN *)list;
|
|
|
|
/* update sp */
|
|
sp = calc_sp_depth(sp, iobj);
|
|
if (sp < 0) {
|
|
BADINSN_DUMP(anchor, list, NULL);
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"argument stack underflow (%d)", sp);
|
|
return -1;
|
|
}
|
|
if (sp > stack_max) {
|
|
stack_max = sp;
|
|
}
|
|
|
|
line = iobj->insn_info.line_no;
|
|
/* fprintf(stderr, "insn: %-16s, sp: %d\n", insn_name(iobj->insn_id), sp); */
|
|
operands = iobj->operands;
|
|
insn = iobj->insn_id;
|
|
types = insn_op_types(insn);
|
|
len = insn_len(insn);
|
|
|
|
/* operand check */
|
|
if (iobj->operand_size != len - 1) {
|
|
/* printf("operand size miss! (%d, %d)\n", iobj->operand_size, len); */
|
|
BADINSN_DUMP(anchor, list, NULL);
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"operand size miss! (%d for %d)",
|
|
iobj->operand_size, len - 1);
|
|
return -1;
|
|
}
|
|
|
|
for (j = 0; types[j]; j++) {
|
|
if (types[j] == TS_OFFSET) {
|
|
/* label(destination position) */
|
|
LABEL *lobj = (LABEL *)operands[j];
|
|
if (!lobj->set) {
|
|
BADINSN_DUMP(anchor, list, NULL);
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"unknown label: "LABEL_FORMAT, lobj->label_no);
|
|
return -1;
|
|
}
|
|
if (lobj->sp == -1) {
|
|
lobj->sp = sp;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_LABEL:
|
|
{
|
|
LABEL *lobj = (LABEL *)list;
|
|
if (lobj->sp == -1) {
|
|
lobj->sp = sp;
|
|
}
|
|
else {
|
|
sp = lobj->sp;
|
|
}
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_TRACE:
|
|
{
|
|
/* ignore */
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
{
|
|
ADJUST *adjust = (ADJUST *)list;
|
|
int orig_sp = sp;
|
|
|
|
sp = adjust->label ? adjust->label->sp : 0;
|
|
if (adjust->line_no != -1 && orig_sp - sp < 0) {
|
|
BADINSN_DUMP(anchor, list, NULL);
|
|
COMPILE_ERROR(iseq, adjust->line_no,
|
|
"iseq_set_sequence: adjust bug %d < %d",
|
|
orig_sp, sp);
|
|
return -1;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
BADINSN_DUMP(anchor, list, NULL);
|
|
COMPILE_ERROR(iseq, line, "unknown list type: %d", list->type);
|
|
return -1;
|
|
}
|
|
}
|
|
return stack_max;
|
|
}
|
|
|
|
static int
|
|
add_insn_info(struct iseq_insn_info_entry *insns_info, unsigned int *positions,
|
|
int insns_info_index, int code_index, const INSN *iobj)
|
|
{
|
|
if (insns_info_index == 0 ||
|
|
insns_info[insns_info_index-1].line_no != iobj->insn_info.line_no ||
|
|
insns_info[insns_info_index-1].events != iobj->insn_info.events) {
|
|
insns_info[insns_info_index].line_no = iobj->insn_info.line_no;
|
|
insns_info[insns_info_index].events = iobj->insn_info.events;
|
|
positions[insns_info_index] = code_index;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static int
|
|
add_adjust_info(struct iseq_insn_info_entry *insns_info, unsigned int *positions,
|
|
int insns_info_index, int code_index, const ADJUST *adjust)
|
|
{
|
|
if (insns_info_index > 0 ||
|
|
insns_info[insns_info_index-1].line_no != adjust->line_no) {
|
|
insns_info[insns_info_index].line_no = adjust->line_no;
|
|
insns_info[insns_info_index].events = 0;
|
|
positions[insns_info_index] = code_index;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
ruby insn object list -> raw instruction sequence
|
|
*/
|
|
static int
|
|
iseq_set_sequence(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
struct iseq_insn_info_entry *insns_info;
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
unsigned int *positions;
|
|
LINK_ELEMENT *list;
|
|
VALUE *generated_iseq;
|
|
rb_event_flag_t events = 0;
|
|
long data = 0;
|
|
|
|
int insn_num, code_index, insns_info_index, sp = 0;
|
|
int stack_max = fix_sp_depth(iseq, anchor);
|
|
|
|
if (stack_max < 0) return COMPILE_NG;
|
|
|
|
/* fix label position */
|
|
list = FIRST_ELEMENT(anchor);
|
|
insn_num = code_index = 0;
|
|
while (list) {
|
|
switch (list->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
{
|
|
INSN *iobj = (INSN *)list;
|
|
/* update sp */
|
|
sp = calc_sp_depth(sp, iobj);
|
|
insn_num++;
|
|
events = iobj->insn_info.events |= events;
|
|
if (ISEQ_COVERAGE(iseq)) {
|
|
if (ISEQ_LINE_COVERAGE(iseq) && (events & RUBY_EVENT_COVERAGE_LINE) &&
|
|
!(rb_get_coverage_mode() & COVERAGE_TARGET_ONESHOT_LINES)) {
|
|
int line = iobj->insn_info.line_no;
|
|
if (line >= 1) {
|
|
RARRAY_ASET(ISEQ_LINE_COVERAGE(iseq), line - 1, INT2FIX(0));
|
|
}
|
|
}
|
|
if (ISEQ_BRANCH_COVERAGE(iseq) && (events & RUBY_EVENT_COVERAGE_BRANCH)) {
|
|
while (RARRAY_LEN(ISEQ_PC2BRANCHINDEX(iseq)) <= code_index) {
|
|
rb_ary_push(ISEQ_PC2BRANCHINDEX(iseq), Qnil);
|
|
}
|
|
RARRAY_ASET(ISEQ_PC2BRANCHINDEX(iseq), code_index, INT2FIX(data));
|
|
}
|
|
}
|
|
code_index += insn_data_length(iobj);
|
|
events = 0;
|
|
data = 0;
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_LABEL:
|
|
{
|
|
LABEL *lobj = (LABEL *)list;
|
|
lobj->position = code_index;
|
|
sp = lobj->sp;
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_TRACE:
|
|
{
|
|
TRACE *trace = (TRACE *)list;
|
|
events |= trace->event;
|
|
if (trace->event & RUBY_EVENT_COVERAGE_BRANCH) data = trace->data;
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
{
|
|
ADJUST *adjust = (ADJUST *)list;
|
|
if (adjust->line_no != -1) {
|
|
int orig_sp = sp;
|
|
sp = adjust->label ? adjust->label->sp : 0;
|
|
if (orig_sp - sp > 0) {
|
|
if (orig_sp - sp > 1) code_index++; /* 1 operand */
|
|
code_index++; /* insn */
|
|
insn_num++;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: break;
|
|
}
|
|
list = list->next;
|
|
}
|
|
|
|
/* make instruction sequence */
|
|
generated_iseq = ALLOC_N(VALUE, code_index);
|
|
insns_info = ALLOC_N(struct iseq_insn_info_entry, insn_num);
|
|
positions = ALLOC_N(unsigned int, insn_num);
|
|
body->is_entries = ZALLOC_N(union iseq_inline_storage_entry, body->is_size);
|
|
body->ci_entries = (struct rb_call_info *)ruby_xmalloc(sizeof(struct rb_call_info) * body->ci_size +
|
|
sizeof(struct rb_call_info_with_kwarg) * body->ci_kw_size);
|
|
MEMZERO(body->ci_entries + body->ci_size, struct rb_call_info_with_kwarg, body->ci_kw_size); /* need to clear ci_kw entries */
|
|
body->cc_entries = ZALLOC_N(struct rb_call_cache, body->ci_size + body->ci_kw_size);
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->ci_index = ISEQ_COMPILE_DATA(iseq)->ci_kw_index = 0;
|
|
|
|
list = FIRST_ELEMENT(anchor);
|
|
insns_info_index = code_index = sp = 0;
|
|
|
|
while (list) {
|
|
switch (list->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
{
|
|
int j, len, insn;
|
|
const char *types;
|
|
VALUE *operands;
|
|
INSN *iobj = (INSN *)list;
|
|
|
|
/* update sp */
|
|
sp = calc_sp_depth(sp, iobj);
|
|
/* fprintf(stderr, "insn: %-16s, sp: %d\n", insn_name(iobj->insn_id), sp); */
|
|
operands = iobj->operands;
|
|
insn = iobj->insn_id;
|
|
generated_iseq[code_index] = insn;
|
|
types = insn_op_types(insn);
|
|
len = insn_len(insn);
|
|
|
|
for (j = 0; types[j]; j++) {
|
|
char type = types[j];
|
|
/* printf("--> [%c - (%d-%d)]\n", type, k, j); */
|
|
switch (type) {
|
|
case TS_OFFSET:
|
|
{
|
|
/* label(destination position) */
|
|
LABEL *lobj = (LABEL *)operands[j];
|
|
generated_iseq[code_index + 1 + j] = lobj->position - (code_index + len);
|
|
break;
|
|
}
|
|
case TS_CDHASH:
|
|
{
|
|
VALUE map = operands[j];
|
|
struct cdhash_set_label_struct data;
|
|
data.hash = map;
|
|
data.pos = code_index;
|
|
data.len = len;
|
|
rb_hash_foreach(map, cdhash_set_label_i, (VALUE)&data);
|
|
|
|
rb_hash_rehash(map);
|
|
freeze_hide_obj(map);
|
|
generated_iseq[code_index + 1 + j] = map;
|
|
RB_OBJ_WRITTEN(iseq, Qundef, map);
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
break;
|
|
}
|
|
case TS_LINDEX:
|
|
case TS_NUM: /* ulong */
|
|
generated_iseq[code_index + 1 + j] = FIX2INT(operands[j]);
|
|
break;
|
|
case TS_VALUE: /* VALUE */
|
|
case TS_ISEQ: /* iseq */
|
|
{
|
|
VALUE v = operands[j];
|
|
generated_iseq[code_index + 1 + j] = v;
|
|
/* to mark ruby object */
|
|
if (!SPECIAL_CONST_P(v)) {
|
|
RB_OBJ_WRITTEN(iseq, Qundef, v);
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
}
|
|
break;
|
|
}
|
|
case TS_ISE: /* inline storage entry */
|
|
/* Treated as an IC, but may contain a markable VALUE */
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
case TS_IC: /* inline cache */
|
|
{
|
|
unsigned int ic_index = FIX2UINT(operands[j]);
|
|
IC ic = (IC)&body->is_entries[ic_index];
|
|
if (UNLIKELY(ic_index >= body->is_size)) {
|
|
BADINSN_DUMP(anchor, &iobj->link, 0);
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"iseq_set_sequence: ic_index overflow: index: %d, size: %d",
|
|
ic_index, body->is_size);
|
|
}
|
|
generated_iseq[code_index + 1 + j] = (VALUE)ic;
|
|
break;
|
|
}
|
|
case TS_CALLINFO: /* call info */
|
|
{
|
|
struct rb_call_info *base_ci = (struct rb_call_info *)operands[j];
|
|
struct rb_call_info *ci;
|
|
|
|
if (base_ci->flag & VM_CALL_KWARG) {
|
|
struct rb_call_info_with_kwarg *ci_kw_entries = (struct rb_call_info_with_kwarg *)&body->ci_entries[body->ci_size];
|
|
struct rb_call_info_with_kwarg *ci_kw = &ci_kw_entries[ISEQ_COMPILE_DATA(iseq)->ci_kw_index++];
|
|
*ci_kw = *((struct rb_call_info_with_kwarg *)base_ci);
|
|
ci = (struct rb_call_info *)ci_kw;
|
|
assert(ISEQ_COMPILE_DATA(iseq)->ci_kw_index <= body->ci_kw_size);
|
|
}
|
|
else {
|
|
ci = &body->ci_entries[ISEQ_COMPILE_DATA(iseq)->ci_index++];
|
|
*ci = *base_ci;
|
|
assert(ISEQ_COMPILE_DATA(iseq)->ci_index <= body->ci_size);
|
|
}
|
|
|
|
generated_iseq[code_index + 1 + j] = (VALUE)ci;
|
|
break;
|
|
}
|
|
case TS_CALLCACHE:
|
|
{
|
|
struct rb_call_cache *cc = &body->cc_entries[ISEQ_COMPILE_DATA(iseq)->ci_index + ISEQ_COMPILE_DATA(iseq)->ci_kw_index - 1];
|
|
generated_iseq[code_index + 1 + j] = (VALUE)cc;
|
|
break;
|
|
}
|
|
case TS_ID: /* ID */
|
|
generated_iseq[code_index + 1 + j] = SYM2ID(operands[j]);
|
|
break;
|
|
case TS_GENTRY:
|
|
{
|
|
struct rb_global_entry *entry =
|
|
(struct rb_global_entry *)(operands[j] & (~1));
|
|
generated_iseq[code_index + 1 + j] = (VALUE)entry;
|
|
}
|
|
break;
|
|
case TS_FUNCPTR:
|
|
generated_iseq[code_index + 1 + j] = operands[j];
|
|
break;
|
|
default:
|
|
BADINSN_ERROR(iseq, iobj->insn_info.line_no,
|
|
"unknown operand type: %c", type);
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
if (add_insn_info(insns_info, positions, insns_info_index, code_index, iobj)) insns_info_index++;
|
|
code_index += len;
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_LABEL:
|
|
{
|
|
LABEL *lobj = (LABEL *)list;
|
|
sp = lobj->sp;
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
{
|
|
ADJUST *adjust = (ADJUST *)list;
|
|
int orig_sp = sp;
|
|
|
|
if (adjust->label) {
|
|
sp = adjust->label->sp;
|
|
}
|
|
else {
|
|
sp = 0;
|
|
}
|
|
|
|
if (adjust->line_no != -1) {
|
|
const int diff = orig_sp - sp;
|
|
if (diff > 0) {
|
|
if (add_adjust_info(insns_info, positions, insns_info_index, code_index, adjust)) insns_info_index++;
|
|
}
|
|
if (diff > 1) {
|
|
generated_iseq[code_index++] = BIN(adjuststack);
|
|
generated_iseq[code_index++] = orig_sp - sp;
|
|
}
|
|
else if (diff == 1) {
|
|
generated_iseq[code_index++] = BIN(pop);
|
|
}
|
|
else if (diff < 0) {
|
|
int label_no = adjust->label ? adjust->label->label_no : -1;
|
|
xfree(generated_iseq);
|
|
xfree(insns_info);
|
|
xfree(positions);
|
|
debug_list(anchor);
|
|
COMPILE_ERROR(iseq, adjust->line_no,
|
|
"iseq_set_sequence: adjust bug to %d %d < %d",
|
|
label_no, orig_sp, sp);
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
/* ignore */
|
|
break;
|
|
}
|
|
list = list->next;
|
|
}
|
|
|
|
body->iseq_encoded = (void *)generated_iseq;
|
|
body->iseq_size = code_index;
|
|
body->stack_max = stack_max;
|
|
|
|
/* get rid of memory leak when REALLOC failed */
|
|
body->insns_info.body = insns_info;
|
|
body->insns_info.positions = positions;
|
|
|
|
REALLOC_N(insns_info, struct iseq_insn_info_entry, insns_info_index);
|
|
body->insns_info.body = insns_info;
|
|
REALLOC_N(positions, unsigned int, insns_info_index);
|
|
body->insns_info.positions = positions;
|
|
body->insns_info.size = insns_info_index;
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
label_get_position(LABEL *lobj)
|
|
{
|
|
return lobj->position;
|
|
}
|
|
|
|
static int
|
|
label_get_sp(LABEL *lobj)
|
|
{
|
|
return lobj->sp;
|
|
}
|
|
|
|
static int
|
|
iseq_set_exception_table(rb_iseq_t *iseq)
|
|
{
|
|
const VALUE *tptr, *ptr;
|
|
unsigned int tlen, i;
|
|
struct iseq_catch_table_entry *entry;
|
|
|
|
if (NIL_P(ISEQ_COMPILE_DATA(iseq)->catch_table_ary)) goto no_catch_table;
|
|
tlen = (int)RARRAY_LEN(ISEQ_COMPILE_DATA(iseq)->catch_table_ary);
|
|
tptr = RARRAY_CONST_PTR_TRANSIENT(ISEQ_COMPILE_DATA(iseq)->catch_table_ary);
|
|
|
|
if (tlen > 0) {
|
|
struct iseq_catch_table *table = xmalloc(iseq_catch_table_bytes(tlen));
|
|
table->size = tlen;
|
|
|
|
for (i = 0; i < table->size; i++) {
|
|
ptr = RARRAY_CONST_PTR_TRANSIENT(tptr[i]);
|
|
entry = UNALIGNED_MEMBER_PTR(table, entries[i]);
|
|
entry->type = (enum catch_type)(ptr[0] & 0xffff);
|
|
entry->start = label_get_position((LABEL *)(ptr[1] & ~1));
|
|
entry->end = label_get_position((LABEL *)(ptr[2] & ~1));
|
|
entry->iseq = (rb_iseq_t *)ptr[3];
|
|
RB_OBJ_WRITTEN(iseq, Qundef, entry->iseq);
|
|
|
|
/* stack depth */
|
|
if (ptr[4]) {
|
|
LABEL *lobj = (LABEL *)(ptr[4] & ~1);
|
|
entry->cont = label_get_position(lobj);
|
|
entry->sp = label_get_sp(lobj);
|
|
|
|
/* TODO: Dirty Hack! Fix me */
|
|
if (entry->type == CATCH_TYPE_RESCUE ||
|
|
entry->type == CATCH_TYPE_BREAK ||
|
|
entry->type == CATCH_TYPE_NEXT) {
|
|
entry->sp--;
|
|
}
|
|
}
|
|
else {
|
|
entry->cont = 0;
|
|
}
|
|
}
|
|
iseq->body->catch_table = table;
|
|
RB_OBJ_WRITE(iseq, &ISEQ_COMPILE_DATA(iseq)->catch_table_ary, 0); /* free */
|
|
}
|
|
else {
|
|
no_catch_table:
|
|
iseq->body->catch_table = NULL;
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
/*
|
|
* set optional argument table
|
|
* def foo(a, b=expr1, c=expr2)
|
|
* =>
|
|
* b:
|
|
* expr1
|
|
* c:
|
|
* expr2
|
|
*/
|
|
static int
|
|
iseq_set_optargs_table(rb_iseq_t *iseq)
|
|
{
|
|
int i;
|
|
VALUE *opt_table = (VALUE *)iseq->body->param.opt_table;
|
|
|
|
if (iseq->body->param.flags.has_opt) {
|
|
for (i = 0; i < iseq->body->param.opt_num + 1; i++) {
|
|
opt_table[i] = label_get_position((LABEL *)opt_table[i]);
|
|
}
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
get_destination_insn(INSN *iobj)
|
|
{
|
|
LABEL *lobj = (LABEL *)OPERAND_AT(iobj, 0);
|
|
LINK_ELEMENT *list;
|
|
rb_event_flag_t events = 0;
|
|
|
|
list = lobj->link.next;
|
|
while (list) {
|
|
switch (list->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
goto found;
|
|
case ISEQ_ELEMENT_LABEL:
|
|
/* ignore */
|
|
break;
|
|
case ISEQ_ELEMENT_TRACE:
|
|
{
|
|
TRACE *trace = (TRACE *)list;
|
|
events |= trace->event;
|
|
}
|
|
break;
|
|
default: break;
|
|
}
|
|
list = list->next;
|
|
}
|
|
found:
|
|
if (list && IS_INSN(list)) {
|
|
INSN *iobj = (INSN *)list;
|
|
iobj->insn_info.events |= events;
|
|
}
|
|
return list;
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
get_next_insn(INSN *iobj)
|
|
{
|
|
LINK_ELEMENT *list = iobj->link.next;
|
|
|
|
while (list) {
|
|
if (IS_INSN(list) || IS_ADJUST(list)) {
|
|
return list;
|
|
}
|
|
list = list->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static LINK_ELEMENT *
|
|
get_prev_insn(INSN *iobj)
|
|
{
|
|
LINK_ELEMENT *list = iobj->link.prev;
|
|
|
|
while (list) {
|
|
if (IS_INSN(list) || IS_ADJUST(list)) {
|
|
return list;
|
|
}
|
|
list = list->prev;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
unref_destination(INSN *iobj, int pos)
|
|
{
|
|
LABEL *lobj = (LABEL *)OPERAND_AT(iobj, pos);
|
|
--lobj->refcnt;
|
|
if (!lobj->refcnt) ELEM_REMOVE(&lobj->link);
|
|
}
|
|
|
|
static void
|
|
replace_destination(INSN *dobj, INSN *nobj)
|
|
{
|
|
VALUE n = OPERAND_AT(nobj, 0);
|
|
LABEL *dl = (LABEL *)OPERAND_AT(dobj, 0);
|
|
LABEL *nl = (LABEL *)n;
|
|
--dl->refcnt;
|
|
++nl->refcnt;
|
|
OPERAND_AT(dobj, 0) = n;
|
|
if (!dl->refcnt) ELEM_REMOVE(&dl->link);
|
|
}
|
|
|
|
static LABEL*
|
|
find_destination(INSN *i)
|
|
{
|
|
int pos, len = insn_len(i->insn_id);
|
|
for (pos = 0; pos < len; ++pos) {
|
|
if (insn_op_types(i->insn_id)[pos] == TS_OFFSET) {
|
|
return (LABEL *)OPERAND_AT(i, pos);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
remove_unreachable_chunk(rb_iseq_t *iseq, LINK_ELEMENT *i)
|
|
{
|
|
LINK_ELEMENT *first = i, *end;
|
|
int *unref_counts = 0, nlabels = ISEQ_COMPILE_DATA(iseq)->label_no;
|
|
|
|
if (!i) return 0;
|
|
unref_counts = ALLOCA_N(int, nlabels);
|
|
MEMZERO(unref_counts, int, nlabels);
|
|
end = i;
|
|
do {
|
|
LABEL *lab;
|
|
if (IS_INSN(i)) {
|
|
if (IS_INSN_ID(i, leave)) {
|
|
end = i;
|
|
break;
|
|
}
|
|
else if ((lab = find_destination((INSN *)i)) != 0) {
|
|
if (lab->unremovable) break;
|
|
unref_counts[lab->label_no]++;
|
|
}
|
|
}
|
|
else if (IS_LABEL(i)) {
|
|
lab = (LABEL *)i;
|
|
if (lab->unremovable) return 0;
|
|
if (lab->refcnt > unref_counts[lab->label_no]) {
|
|
if (i == first) return 0;
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
else if (IS_TRACE(i)) {
|
|
/* do nothing */
|
|
}
|
|
else if (IS_ADJUST(i)) {
|
|
LABEL *dest = ((ADJUST *)i)->label;
|
|
if (dest && dest->unremovable) return 0;
|
|
}
|
|
end = i;
|
|
} while ((i = i->next) != 0);
|
|
i = first;
|
|
do {
|
|
if (IS_INSN(i)) {
|
|
struct rb_iseq_constant_body *body = iseq->body;
|
|
VALUE insn = INSN_OF(i);
|
|
int pos, len = insn_len(insn);
|
|
for (pos = 0; pos < len; ++pos) {
|
|
switch (insn_op_types(insn)[pos]) {
|
|
case TS_OFFSET:
|
|
unref_destination((INSN *)i, pos);
|
|
break;
|
|
case TS_CALLINFO:
|
|
if (((struct rb_call_info *)OPERAND_AT(i, pos))->flag & VM_CALL_KWARG)
|
|
--(body->ci_kw_size);
|
|
else
|
|
--(body->ci_size);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
ELEM_REMOVE(i);
|
|
} while ((i != end) && (i = i->next) != 0);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
iseq_pop_newarray(rb_iseq_t *iseq, INSN *iobj)
|
|
{
|
|
switch (OPERAND_AT(iobj, 0)) {
|
|
case INT2FIX(0): /* empty array */
|
|
ELEM_REMOVE(&iobj->link);
|
|
return TRUE;
|
|
case INT2FIX(1): /* single element array */
|
|
ELEM_REMOVE(&iobj->link);
|
|
return FALSE;
|
|
default:
|
|
iobj->insn_id = BIN(adjuststack);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
same_debug_pos_p(LINK_ELEMENT *iobj1, LINK_ELEMENT *iobj2)
|
|
{
|
|
VALUE debug1 = OPERAND_AT(iobj1, 0);
|
|
VALUE debug2 = OPERAND_AT(iobj2, 0);
|
|
if (debug1 == debug2) return TRUE;
|
|
if (!RB_TYPE_P(debug1, T_ARRAY)) return FALSE;
|
|
if (!RB_TYPE_P(debug2, T_ARRAY)) return FALSE;
|
|
if (RARRAY_LEN(debug1) != 2) return FALSE;
|
|
if (RARRAY_LEN(debug2) != 2) return FALSE;
|
|
if (RARRAY_AREF(debug1, 0) != RARRAY_AREF(debug2, 0)) return FALSE;
|
|
if (RARRAY_AREF(debug1, 1) != RARRAY_AREF(debug2, 1)) return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
is_frozen_putstring(INSN *insn, VALUE *op)
|
|
{
|
|
if (IS_INSN_ID(insn, putstring)) {
|
|
*op = OPERAND_AT(insn, 0);
|
|
return 1;
|
|
}
|
|
else if (IS_INSN_ID(insn, putobject)) { /* frozen_string_literal */
|
|
*op = OPERAND_AT(insn, 0);
|
|
return RB_TYPE_P(*op, T_STRING);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
optimize_checktype(rb_iseq_t *iseq, INSN *iobj)
|
|
{
|
|
/*
|
|
* putobject obj
|
|
* dup
|
|
* checktype T_XXX
|
|
* branchif l1
|
|
* l2:
|
|
* ...
|
|
* l1:
|
|
*
|
|
* => obj is a T_XXX
|
|
*
|
|
* putobject obj (T_XXX)
|
|
* jump L1
|
|
* L1:
|
|
*
|
|
* => obj is not a T_XXX
|
|
*
|
|
* putobject obj (T_XXX)
|
|
* jump L2
|
|
* L2:
|
|
*/
|
|
int line;
|
|
INSN *niobj, *ciobj, *dup = 0;
|
|
LABEL *dest = 0;
|
|
VALUE type;
|
|
|
|
switch (INSN_OF(iobj)) {
|
|
case BIN(putstring):
|
|
type = INT2FIX(T_STRING);
|
|
break;
|
|
case BIN(putnil):
|
|
type = INT2FIX(T_NIL);
|
|
break;
|
|
case BIN(putobject):
|
|
type = INT2FIX(TYPE(OPERAND_AT(iobj, 0)));
|
|
break;
|
|
default: return FALSE;
|
|
}
|
|
|
|
ciobj = (INSN *)get_next_insn(iobj);
|
|
if (IS_INSN_ID(ciobj, jump)) {
|
|
ciobj = (INSN *)get_next_insn((INSN*)OPERAND_AT(ciobj, 0));
|
|
}
|
|
if (IS_INSN_ID(ciobj, dup)) {
|
|
ciobj = (INSN *)get_next_insn(dup = ciobj);
|
|
}
|
|
if (!ciobj || !IS_INSN_ID(ciobj, checktype)) return FALSE;
|
|
niobj = (INSN *)get_next_insn(ciobj);
|
|
if (!niobj) {
|
|
no_branch:
|
|
/* TODO: putobject true/false */
|
|
return FALSE;
|
|
}
|
|
switch (INSN_OF(niobj)) {
|
|
case BIN(branchif):
|
|
if (OPERAND_AT(ciobj, 0) == type) {
|
|
dest = (LABEL *)OPERAND_AT(niobj, 0);
|
|
}
|
|
break;
|
|
case BIN(branchunless):
|
|
if (OPERAND_AT(ciobj, 0) != type) {
|
|
dest = (LABEL *)OPERAND_AT(niobj, 0);
|
|
}
|
|
break;
|
|
default:
|
|
goto no_branch;
|
|
}
|
|
line = ciobj->insn_info.line_no;
|
|
if (!dest) {
|
|
if (niobj->link.next && IS_LABEL(niobj->link.next)) {
|
|
dest = (LABEL *)niobj->link.next; /* reuse label */
|
|
}
|
|
else {
|
|
dest = NEW_LABEL(line);
|
|
ELEM_INSERT_NEXT(&niobj->link, &dest->link);
|
|
}
|
|
}
|
|
INSERT_AFTER_INSN1(iobj, line, jump, dest);
|
|
LABEL_REF(dest);
|
|
if (!dup) INSERT_AFTER_INSN(iobj, line, pop);
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
iseq_peephole_optimize(rb_iseq_t *iseq, LINK_ELEMENT *list, const int do_tailcallopt)
|
|
{
|
|
INSN *const iobj = (INSN *)list;
|
|
|
|
again:
|
|
optimize_checktype(iseq, iobj);
|
|
|
|
if (IS_INSN_ID(iobj, jump)) {
|
|
INSN *niobj, *diobj, *piobj;
|
|
diobj = (INSN *)get_destination_insn(iobj);
|
|
niobj = (INSN *)get_next_insn(iobj);
|
|
|
|
if (diobj == niobj) {
|
|
/*
|
|
* jump LABEL
|
|
* LABEL:
|
|
* =>
|
|
* LABEL:
|
|
*/
|
|
unref_destination(iobj, 0);
|
|
ELEM_REMOVE(&iobj->link);
|
|
return COMPILE_OK;
|
|
}
|
|
else if (iobj != diobj && IS_INSN_ID(diobj, jump) &&
|
|
OPERAND_AT(iobj, 0) != OPERAND_AT(diobj, 0)) {
|
|
/*
|
|
* useless jump elimination:
|
|
* jump LABEL1
|
|
* ...
|
|
* LABEL1:
|
|
* jump LABEL2
|
|
*
|
|
* => in this case, first jump instruction should jump to
|
|
* LABEL2 directly
|
|
*/
|
|
replace_destination(iobj, diobj);
|
|
remove_unreachable_chunk(iseq, iobj->link.next);
|
|
goto again;
|
|
}
|
|
else if (IS_INSN_ID(diobj, leave)) {
|
|
INSN *pop;
|
|
/*
|
|
* jump LABEL
|
|
* ...
|
|
* LABEL:
|
|
* leave
|
|
* =>
|
|
* leave
|
|
* pop
|
|
* ...
|
|
* LABEL:
|
|
* leave
|
|
*/
|
|
/* replace */
|
|
unref_destination(iobj, 0);
|
|
iobj->insn_id = BIN(leave);
|
|
iobj->operand_size = 0;
|
|
iobj->insn_info = diobj->insn_info;
|
|
/* adjust stack depth */
|
|
pop = new_insn_body(iseq, diobj->insn_info.line_no, BIN(pop), 0);
|
|
ELEM_INSERT_NEXT(&iobj->link, &pop->link);
|
|
goto again;
|
|
}
|
|
else if ((piobj = (INSN *)get_prev_insn(iobj)) != 0 &&
|
|
(IS_INSN_ID(piobj, branchif) ||
|
|
IS_INSN_ID(piobj, branchunless))) {
|
|
INSN *pdiobj = (INSN *)get_destination_insn(piobj);
|
|
if (niobj == pdiobj) {
|
|
int refcnt = IS_LABEL(piobj->link.next) ?
|
|
((LABEL *)piobj->link.next)->refcnt : 0;
|
|
/*
|
|
* useless jump elimination (if/unless destination):
|
|
* if L1
|
|
* jump L2
|
|
* L1:
|
|
* ...
|
|
* L2:
|
|
*
|
|
* ==>
|
|
* unless L2
|
|
* L1:
|
|
* ...
|
|
* L2:
|
|
*/
|
|
piobj->insn_id = (IS_INSN_ID(piobj, branchif))
|
|
? BIN(branchunless) : BIN(branchif);
|
|
replace_destination(piobj, iobj);
|
|
if (refcnt <= 1) {
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
else {
|
|
/* TODO: replace other branch destinations too */
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
else if (diobj == pdiobj) {
|
|
/*
|
|
* useless jump elimination (if/unless before jump):
|
|
* L1:
|
|
* ...
|
|
* if L1
|
|
* jump L1
|
|
*
|
|
* ==>
|
|
* L1:
|
|
* ...
|
|
* pop
|
|
* jump L1
|
|
*/
|
|
INSN *popiobj = new_insn_core(iseq, iobj->insn_info.line_no,
|
|
BIN(pop), 0, 0);
|
|
ELEM_REPLACE(&piobj->link, &popiobj->link);
|
|
}
|
|
}
|
|
if (remove_unreachable_chunk(iseq, iobj->link.next)) {
|
|
goto again;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* putstring "beg"
|
|
* putstring "end"
|
|
* newrange excl
|
|
*
|
|
* ==>
|
|
*
|
|
* putobject "beg".."end"
|
|
*/
|
|
if (IS_INSN_ID(iobj, checkmatch)) {
|
|
INSN *range = (INSN *)get_prev_insn(iobj);
|
|
INSN *beg, *end;
|
|
VALUE str_beg, str_end;
|
|
|
|
if (range && IS_INSN_ID(range, newrange) &&
|
|
(end = (INSN *)get_prev_insn(range)) != 0 &&
|
|
is_frozen_putstring(end, &str_end) &&
|
|
(beg = (INSN *)get_prev_insn(end)) != 0 &&
|
|
is_frozen_putstring(beg, &str_beg)) {
|
|
int excl = FIX2INT(OPERAND_AT(range, 0));
|
|
VALUE lit_range = rb_range_new(str_beg, str_end, excl);
|
|
|
|
iseq_add_mark_object_compile_time(iseq, lit_range);
|
|
ELEM_REMOVE(&beg->link);
|
|
ELEM_REMOVE(&end->link);
|
|
range->insn_id = BIN(putobject);
|
|
OPERAND_AT(range, 0) = lit_range;
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, leave)) {
|
|
remove_unreachable_chunk(iseq, iobj->link.next);
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, branchif) ||
|
|
IS_INSN_ID(iobj, branchnil) ||
|
|
IS_INSN_ID(iobj, branchunless)) {
|
|
/*
|
|
* if L1
|
|
* ...
|
|
* L1:
|
|
* jump L2
|
|
* =>
|
|
* if L2
|
|
*/
|
|
INSN *nobj = (INSN *)get_destination_insn(iobj);
|
|
INSN *pobj = (INSN *)iobj->link.prev;
|
|
int prev_dup = 0;
|
|
if (pobj) {
|
|
if (!IS_INSN(&pobj->link))
|
|
pobj = 0;
|
|
else if (IS_INSN_ID(pobj, dup))
|
|
prev_dup = 1;
|
|
}
|
|
|
|
for (;;) {
|
|
if (IS_INSN_ID(nobj, jump)) {
|
|
replace_destination(iobj, nobj);
|
|
}
|
|
else if (prev_dup && IS_INSN_ID(nobj, dup) &&
|
|
!!(nobj = (INSN *)nobj->link.next) &&
|
|
/* basic blocks, with no labels in the middle */
|
|
nobj->insn_id == iobj->insn_id) {
|
|
/*
|
|
* dup
|
|
* if L1
|
|
* ...
|
|
* L1:
|
|
* dup
|
|
* if L2
|
|
* =>
|
|
* dup
|
|
* if L2
|
|
* ...
|
|
* L1:
|
|
* dup
|
|
* if L2
|
|
*/
|
|
replace_destination(iobj, nobj);
|
|
}
|
|
else if (pobj) {
|
|
/*
|
|
* putnil
|
|
* if L1
|
|
* =>
|
|
* # nothing
|
|
*
|
|
* putobject true
|
|
* if L1
|
|
* =>
|
|
* jump L1
|
|
*
|
|
* putstring ".."
|
|
* if L1
|
|
* =>
|
|
* jump L1
|
|
*
|
|
* putstring ".."
|
|
* dup
|
|
* if L1
|
|
* =>
|
|
* putstring ".."
|
|
* jump L1
|
|
*
|
|
*/
|
|
int cond;
|
|
if (prev_dup && IS_INSN(pobj->link.prev)) {
|
|
pobj = (INSN *)pobj->link.prev;
|
|
}
|
|
if (IS_INSN_ID(pobj, putobject)) {
|
|
cond = (IS_INSN_ID(iobj, branchif) ?
|
|
OPERAND_AT(pobj, 0) != Qfalse :
|
|
IS_INSN_ID(iobj, branchunless) ?
|
|
OPERAND_AT(pobj, 0) == Qfalse :
|
|
FALSE);
|
|
}
|
|
else if (IS_INSN_ID(pobj, putstring) ||
|
|
IS_INSN_ID(pobj, duparray) ||
|
|
IS_INSN_ID(pobj, newarray)) {
|
|
cond = IS_INSN_ID(iobj, branchif);
|
|
}
|
|
else if (IS_INSN_ID(pobj, putnil)) {
|
|
cond = !IS_INSN_ID(iobj, branchif);
|
|
}
|
|
else break;
|
|
if (prev_dup || !IS_INSN_ID(pobj, newarray)) {
|
|
ELEM_REMOVE(iobj->link.prev);
|
|
}
|
|
else if (!iseq_pop_newarray(iseq, pobj)) {
|
|
pobj = new_insn_core(iseq, pobj->insn_info.line_no, BIN(pop), 0, NULL);
|
|
ELEM_INSERT_PREV(&iobj->link, &pobj->link);
|
|
}
|
|
if (cond) {
|
|
if (prev_dup) {
|
|
pobj = new_insn_core(iseq, pobj->insn_info.line_no, BIN(putnil), 0, NULL);
|
|
ELEM_INSERT_NEXT(&iobj->link, &pobj->link);
|
|
}
|
|
iobj->insn_id = BIN(jump);
|
|
goto again;
|
|
}
|
|
else {
|
|
unref_destination(iobj, 0);
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
break;
|
|
}
|
|
else break;
|
|
nobj = (INSN *)get_destination_insn(nobj);
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, pop)) {
|
|
/*
|
|
* putself / putnil / putobject obj / putstring "..."
|
|
* pop
|
|
* =>
|
|
* # do nothing
|
|
*/
|
|
LINK_ELEMENT *prev = iobj->link.prev;
|
|
if (IS_INSN(prev)) {
|
|
enum ruby_vminsn_type previ = ((INSN *)prev)->insn_id;
|
|
if (previ == BIN(putobject) || previ == BIN(putnil) ||
|
|
previ == BIN(putself) || previ == BIN(putstring) ||
|
|
previ == BIN(dup) ||
|
|
previ == BIN(getlocal) ||
|
|
previ == BIN(getblockparam) ||
|
|
previ == BIN(getblockparamproxy) ||
|
|
/* getinstancevariable may issue a warning */
|
|
previ == BIN(duparray)) {
|
|
/* just push operand or static value and pop soon, no
|
|
* side effects */
|
|
ELEM_REMOVE(prev);
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
else if (previ == BIN(newarray) && iseq_pop_newarray(iseq, (INSN*)prev)) {
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
else if (previ == BIN(concatarray)) {
|
|
INSN *piobj = (INSN *)prev;
|
|
INSERT_BEFORE_INSN1(piobj, piobj->insn_info.line_no, splatarray, Qfalse);
|
|
INSN_OF(piobj) = BIN(pop);
|
|
}
|
|
else if (previ == BIN(concatstrings)) {
|
|
if (OPERAND_AT(prev, 0) == INT2FIX(1)) {
|
|
ELEM_REMOVE(prev);
|
|
}
|
|
else {
|
|
ELEM_REMOVE(&iobj->link);
|
|
INSN_OF(prev) = BIN(adjuststack);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, newarray) ||
|
|
IS_INSN_ID(iobj, duparray) ||
|
|
IS_INSN_ID(iobj, expandarray) ||
|
|
IS_INSN_ID(iobj, concatarray) ||
|
|
IS_INSN_ID(iobj, splatarray) ||
|
|
0) {
|
|
/*
|
|
* newarray N
|
|
* splatarray
|
|
* =>
|
|
* newarray N
|
|
* newarray always puts an array
|
|
*/
|
|
LINK_ELEMENT *next = iobj->link.next;
|
|
if (IS_INSN(next) && IS_INSN_ID(next, splatarray)) {
|
|
/* remove splatarray following always-array insn */
|
|
ELEM_REMOVE(next);
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, tostring)) {
|
|
LINK_ELEMENT *next = iobj->link.next;
|
|
/*
|
|
* tostring
|
|
* concatstrings 1
|
|
* =>
|
|
* tostring
|
|
*/
|
|
if (IS_INSN(next) && IS_INSN_ID(next, concatstrings) &&
|
|
OPERAND_AT(next, 0) == INT2FIX(1)) {
|
|
ELEM_REMOVE(next);
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, putstring) ||
|
|
(IS_INSN_ID(iobj, putobject) && RB_TYPE_P(OPERAND_AT(iobj, 0), T_STRING))) {
|
|
/*
|
|
* putstring ""
|
|
* concatstrings N
|
|
* =>
|
|
* concatstrings N-1
|
|
*/
|
|
if (IS_NEXT_INSN_ID(&iobj->link, concatstrings) &&
|
|
RSTRING_LEN(OPERAND_AT(iobj, 0)) == 0) {
|
|
INSN *next = (INSN *)iobj->link.next;
|
|
if ((OPERAND_AT(next, 0) = FIXNUM_INC(OPERAND_AT(next, 0), -1)) == INT2FIX(1)) {
|
|
ELEM_REMOVE(&next->link);
|
|
}
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, concatstrings)) {
|
|
/*
|
|
* concatstrings N
|
|
* concatstrings M
|
|
* =>
|
|
* concatstrings N+M-1
|
|
*/
|
|
LINK_ELEMENT *next = iobj->link.next, *freeze = 0;
|
|
INSN *jump = 0;
|
|
if (IS_INSN(next) && IS_INSN_ID(next, freezestring))
|
|
next = (freeze = next)->next;
|
|
if (IS_INSN(next) && IS_INSN_ID(next, jump))
|
|
next = get_destination_insn(jump = (INSN *)next);
|
|
if (IS_INSN(next) && IS_INSN_ID(next, concatstrings)) {
|
|
int n = FIX2INT(OPERAND_AT(iobj, 0)) + FIX2INT(OPERAND_AT(next, 0)) - 1;
|
|
OPERAND_AT(iobj, 0) = INT2FIX(n);
|
|
if (jump) {
|
|
LABEL *label = ((LABEL *)OPERAND_AT(jump, 0));
|
|
if (!--label->refcnt) {
|
|
ELEM_REMOVE(&label->link);
|
|
}
|
|
else {
|
|
label = NEW_LABEL(0);
|
|
OPERAND_AT(jump, 0) = (VALUE)label;
|
|
}
|
|
label->refcnt++;
|
|
if (freeze && IS_NEXT_INSN_ID(next, freezestring)) {
|
|
if (same_debug_pos_p(freeze, next->next)) {
|
|
ELEM_REMOVE(freeze);
|
|
}
|
|
else {
|
|
next = next->next;
|
|
}
|
|
}
|
|
ELEM_INSERT_NEXT(next, &label->link);
|
|
CHECK(iseq_peephole_optimize(iseq, get_next_insn(jump), do_tailcallopt));
|
|
}
|
|
else {
|
|
if (freeze) ELEM_REMOVE(freeze);
|
|
ELEM_REMOVE(next);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, freezestring) &&
|
|
NIL_P(OPERAND_AT(iobj, 0)) &&
|
|
IS_NEXT_INSN_ID(&iobj->link, send)) {
|
|
INSN *niobj = (INSN *)iobj->link.next;
|
|
struct rb_call_info *ci = (struct rb_call_info *)OPERAND_AT(niobj, 0);
|
|
/*
|
|
* freezestring nil # no debug_info
|
|
* send <:+@, 0, ARG_SIMPLE> # :-@, too
|
|
* =>
|
|
* send <:+@, 0, ARG_SIMPLE> # :-@, too
|
|
*/
|
|
if ((ci->mid == idUPlus || ci->mid == idUMinus) &&
|
|
(ci->flag & VM_CALL_ARGS_SIMPLE) &&
|
|
ci->orig_argc == 0) {
|
|
ELEM_REMOVE(list);
|
|
return COMPILE_OK;
|
|
}
|
|
}
|
|
|
|
if (do_tailcallopt &&
|
|
(IS_INSN_ID(iobj, send) ||
|
|
IS_INSN_ID(iobj, opt_aref_with) ||
|
|
IS_INSN_ID(iobj, opt_aset_with) ||
|
|
IS_INSN_ID(iobj, invokesuper))) {
|
|
/*
|
|
* send ...
|
|
* leave
|
|
* =>
|
|
* send ..., ... | VM_CALL_TAILCALL, ...
|
|
* leave # unreachable
|
|
*/
|
|
INSN *piobj = NULL;
|
|
if (iobj->link.next) {
|
|
LINK_ELEMENT *next = iobj->link.next;
|
|
do {
|
|
if (!IS_INSN(next)) {
|
|
next = next->next;
|
|
continue;
|
|
}
|
|
switch (INSN_OF(next)) {
|
|
case BIN(nop):
|
|
next = next->next;
|
|
break;
|
|
case BIN(jump):
|
|
/* if cond
|
|
* return tailcall
|
|
* end
|
|
*/
|
|
next = get_destination_insn((INSN *)next);
|
|
break;
|
|
case BIN(leave):
|
|
piobj = iobj;
|
|
default:
|
|
next = NULL;
|
|
break;
|
|
}
|
|
} while (next);
|
|
}
|
|
|
|
if (piobj) {
|
|
struct rb_call_info *ci = (struct rb_call_info *)piobj->operands[0];
|
|
if (IS_INSN_ID(piobj, send) || IS_INSN_ID(piobj, invokesuper)) {
|
|
if (piobj->operands[2] == 0) { /* no blockiseq */
|
|
ci->flag |= VM_CALL_TAILCALL;
|
|
}
|
|
}
|
|
else {
|
|
ci->flag |= VM_CALL_TAILCALL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, dup)) {
|
|
if (IS_NEXT_INSN_ID(&iobj->link, setlocal)) {
|
|
LINK_ELEMENT *set1 = iobj->link.next, *set2 = NULL;
|
|
if (IS_NEXT_INSN_ID(set1, setlocal)) {
|
|
set2 = set1->next;
|
|
if (OPERAND_AT(set1, 0) == OPERAND_AT(set2, 0) &&
|
|
OPERAND_AT(set1, 1) == OPERAND_AT(set2, 1)) {
|
|
ELEM_REMOVE(set1);
|
|
ELEM_REMOVE(&iobj->link);
|
|
}
|
|
}
|
|
else if (IS_NEXT_INSN_ID(set1, dup) &&
|
|
IS_NEXT_INSN_ID(set1->next, setlocal)) {
|
|
set2 = set1->next->next;
|
|
if (OPERAND_AT(set1, 0) == OPERAND_AT(set2, 0) &&
|
|
OPERAND_AT(set1, 1) == OPERAND_AT(set2, 1)) {
|
|
ELEM_REMOVE(set1->next);
|
|
ELEM_REMOVE(set2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, getlocal)) {
|
|
LINK_ELEMENT *niobj = &iobj->link;
|
|
if (IS_NEXT_INSN_ID(niobj, dup)) {
|
|
niobj = niobj->next;
|
|
}
|
|
if (IS_NEXT_INSN_ID(niobj, setlocal)) {
|
|
LINK_ELEMENT *set1 = niobj->next;
|
|
if (OPERAND_AT(iobj, 0) == OPERAND_AT(set1, 0) &&
|
|
OPERAND_AT(iobj, 1) == OPERAND_AT(set1, 1)) {
|
|
ELEM_REMOVE(set1);
|
|
ELEM_REMOVE(niobj);
|
|
}
|
|
}
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
insn_set_specialized_instruction(rb_iseq_t *iseq, INSN *iobj, int insn_id)
|
|
{
|
|
iobj->insn_id = insn_id;
|
|
iobj->operand_size = insn_len(insn_id) - 1;
|
|
|
|
if (insn_id == BIN(opt_neq)) {
|
|
VALUE *old_operands = iobj->operands;
|
|
iobj->operand_size = 4;
|
|
iobj->operands = (VALUE *)compile_data_alloc(iseq, iobj->operand_size * sizeof(VALUE));
|
|
iobj->operands[0] = (VALUE)new_callinfo(iseq, idEq, 1, 0, NULL, FALSE);
|
|
iobj->operands[1] = Qfalse; /* CALL_CACHE */
|
|
iobj->operands[2] = old_operands[0];
|
|
iobj->operands[3] = Qfalse; /* CALL_CACHE */
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
iseq_specialized_instruction(rb_iseq_t *iseq, INSN *iobj)
|
|
{
|
|
if (IS_INSN_ID(iobj, newarray) && iobj->link.next &&
|
|
IS_INSN(iobj->link.next)) {
|
|
/*
|
|
* [a, b, ...].max/min -> a, b, c, opt_newarray_max/min
|
|
*/
|
|
INSN *niobj = (INSN *)iobj->link.next;
|
|
if (IS_INSN_ID(niobj, send)) {
|
|
struct rb_call_info *ci = (struct rb_call_info *)OPERAND_AT(niobj, 0);
|
|
if ((ci->flag & VM_CALL_ARGS_SIMPLE) && ci->orig_argc == 0) {
|
|
switch (ci->mid) {
|
|
case idMax:
|
|
iobj->insn_id = BIN(opt_newarray_max);
|
|
ELEM_REMOVE(&niobj->link);
|
|
return COMPILE_OK;
|
|
case idMin:
|
|
iobj->insn_id = BIN(opt_newarray_min);
|
|
ELEM_REMOVE(&niobj->link);
|
|
return COMPILE_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IS_INSN_ID(iobj, send)) {
|
|
struct rb_call_info *ci = (struct rb_call_info *)OPERAND_AT(iobj, 0);
|
|
const rb_iseq_t *blockiseq = (rb_iseq_t *)OPERAND_AT(iobj, 2);
|
|
|
|
#define SP_INSN(opt) insn_set_specialized_instruction(iseq, iobj, BIN(opt_##opt))
|
|
if (ci->flag & VM_CALL_ARGS_SIMPLE) {
|
|
switch (ci->orig_argc) {
|
|
case 0:
|
|
switch (ci->mid) {
|
|
case idLength: SP_INSN(length); return COMPILE_OK;
|
|
case idSize: SP_INSN(size); return COMPILE_OK;
|
|
case idEmptyP: SP_INSN(empty_p);return COMPILE_OK;
|
|
case idSucc: SP_INSN(succ); return COMPILE_OK;
|
|
case idNot: SP_INSN(not); return COMPILE_OK;
|
|
}
|
|
break;
|
|
case 1:
|
|
switch (ci->mid) {
|
|
case idPLUS: SP_INSN(plus); return COMPILE_OK;
|
|
case idMINUS: SP_INSN(minus); return COMPILE_OK;
|
|
case idMULT: SP_INSN(mult); return COMPILE_OK;
|
|
case idDIV: SP_INSN(div); return COMPILE_OK;
|
|
case idMOD: SP_INSN(mod); return COMPILE_OK;
|
|
case idEq: SP_INSN(eq); return COMPILE_OK;
|
|
case idNeq: SP_INSN(neq); return COMPILE_OK;
|
|
case idLT: SP_INSN(lt); return COMPILE_OK;
|
|
case idLE: SP_INSN(le); return COMPILE_OK;
|
|
case idGT: SP_INSN(gt); return COMPILE_OK;
|
|
case idGE: SP_INSN(ge); return COMPILE_OK;
|
|
case idLTLT: SP_INSN(ltlt); return COMPILE_OK;
|
|
case idAREF: SP_INSN(aref); return COMPILE_OK;
|
|
case idAnd: SP_INSN(and); return COMPILE_OK;
|
|
case idOr: SP_INSN(or); return COMPILE_OK;
|
|
}
|
|
break;
|
|
case 2:
|
|
switch (ci->mid) {
|
|
case idASET: SP_INSN(aset); return COMPILE_OK;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((ci->flag & VM_CALL_ARGS_BLOCKARG) == 0 && blockiseq == NULL) {
|
|
iobj->insn_id = BIN(opt_send_without_block);
|
|
iobj->operand_size = insn_len(iobj->insn_id) - 1;
|
|
}
|
|
}
|
|
#undef SP_INSN
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static inline int
|
|
tailcallable_p(rb_iseq_t *iseq)
|
|
{
|
|
switch (iseq->body->type) {
|
|
case ISEQ_TYPE_TOP:
|
|
case ISEQ_TYPE_EVAL:
|
|
case ISEQ_TYPE_MAIN:
|
|
/* not tail callable because cfp will be over popped */
|
|
case ISEQ_TYPE_RESCUE:
|
|
case ISEQ_TYPE_ENSURE:
|
|
/* rescue block can't tail call because of errinfo */
|
|
return FALSE;
|
|
default:
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
iseq_optimize(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
LINK_ELEMENT *list;
|
|
const int do_peepholeopt = ISEQ_COMPILE_DATA(iseq)->option->peephole_optimization;
|
|
const int do_tailcallopt = tailcallable_p(iseq) &&
|
|
ISEQ_COMPILE_DATA(iseq)->option->tailcall_optimization;
|
|
const int do_si = ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction;
|
|
const int do_ou = ISEQ_COMPILE_DATA(iseq)->option->operands_unification;
|
|
int rescue_level = 0;
|
|
int tailcallopt = do_tailcallopt;
|
|
|
|
list = FIRST_ELEMENT(anchor);
|
|
|
|
while (list) {
|
|
if (IS_INSN(list)) {
|
|
if (do_peepholeopt) {
|
|
iseq_peephole_optimize(iseq, list, tailcallopt);
|
|
}
|
|
if (do_si) {
|
|
iseq_specialized_instruction(iseq, (INSN *)list);
|
|
}
|
|
if (do_ou) {
|
|
insn_operands_unification((INSN *)list);
|
|
}
|
|
}
|
|
if (IS_LABEL(list)) {
|
|
switch (((LABEL *)list)->rescued) {
|
|
case LABEL_RESCUE_BEG:
|
|
rescue_level++;
|
|
tailcallopt = FALSE;
|
|
break;
|
|
case LABEL_RESCUE_END:
|
|
if (!--rescue_level) tailcallopt = do_tailcallopt;
|
|
break;
|
|
}
|
|
}
|
|
list = list->next;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
#if OPT_INSTRUCTIONS_UNIFICATION
|
|
static INSN *
|
|
new_unified_insn(rb_iseq_t *iseq,
|
|
int insn_id, int size, LINK_ELEMENT *seq_list)
|
|
{
|
|
INSN *iobj = 0;
|
|
LINK_ELEMENT *list = seq_list;
|
|
int i, argc = 0;
|
|
VALUE *operands = 0, *ptr = 0;
|
|
|
|
|
|
/* count argc */
|
|
for (i = 0; i < size; i++) {
|
|
iobj = (INSN *)list;
|
|
argc += iobj->operand_size;
|
|
list = list->next;
|
|
}
|
|
|
|
if (argc > 0) {
|
|
ptr = operands =
|
|
(VALUE *)compile_data_alloc(iseq, sizeof(VALUE) * argc);
|
|
}
|
|
|
|
/* copy operands */
|
|
list = seq_list;
|
|
for (i = 0; i < size; i++) {
|
|
iobj = (INSN *)list;
|
|
MEMCPY(ptr, iobj->operands, VALUE, iobj->operand_size);
|
|
ptr += iobj->operand_size;
|
|
list = list->next;
|
|
}
|
|
|
|
return new_insn_core(iseq, iobj->insn_info.line_no, insn_id, argc, operands);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* This scheme can get more performance if do this optimize with
|
|
* label address resolving.
|
|
* It's future work (if compile time was bottle neck).
|
|
*/
|
|
static int
|
|
iseq_insns_unification(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
#if OPT_INSTRUCTIONS_UNIFICATION
|
|
LINK_ELEMENT *list;
|
|
INSN *iobj, *niobj;
|
|
int id, k;
|
|
intptr_t j;
|
|
|
|
list = FIRST_ELEMENT(anchor);
|
|
while (list) {
|
|
if (IS_INSN(list)) {
|
|
iobj = (INSN *)list;
|
|
id = iobj->insn_id;
|
|
if (unified_insns_data[id] != 0) {
|
|
const int *const *entry = unified_insns_data[id];
|
|
for (j = 1; j < (intptr_t)entry[0]; j++) {
|
|
const int *unified = entry[j];
|
|
LINK_ELEMENT *li = list->next;
|
|
for (k = 2; k < unified[1]; k++) {
|
|
if (!IS_INSN(li) ||
|
|
((INSN *)li)->insn_id != unified[k]) {
|
|
goto miss;
|
|
}
|
|
li = li->next;
|
|
}
|
|
/* matched */
|
|
niobj =
|
|
new_unified_insn(iseq, unified[0], unified[1] - 1,
|
|
list);
|
|
|
|
/* insert to list */
|
|
niobj->link.prev = (LINK_ELEMENT *)iobj->link.prev;
|
|
niobj->link.next = li;
|
|
if (li) {
|
|
li->prev = (LINK_ELEMENT *)niobj;
|
|
}
|
|
|
|
list->prev->next = (LINK_ELEMENT *)niobj;
|
|
list = (LINK_ELEMENT *)niobj;
|
|
break;
|
|
miss:;
|
|
}
|
|
}
|
|
}
|
|
list = list->next;
|
|
}
|
|
#endif
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
#if OPT_STACK_CACHING
|
|
|
|
#define SC_INSN(insn, stat) sc_insn_info[(insn)][(stat)]
|
|
#define SC_NEXT(insn) sc_insn_next[(insn)]
|
|
|
|
#include "opt_sc.inc"
|
|
|
|
static int
|
|
insn_set_sc_state(rb_iseq_t *iseq, const LINK_ELEMENT *anchor, INSN *iobj, int state)
|
|
{
|
|
int nstate;
|
|
int insn_id;
|
|
|
|
insn_id = iobj->insn_id;
|
|
iobj->insn_id = SC_INSN(insn_id, state);
|
|
nstate = SC_NEXT(iobj->insn_id);
|
|
|
|
if (insn_id == BIN(jump) ||
|
|
insn_id == BIN(branchif) || insn_id == BIN(branchunless)) {
|
|
LABEL *lobj = (LABEL *)OPERAND_AT(iobj, 0);
|
|
|
|
if (lobj->sc_state != 0) {
|
|
if (lobj->sc_state != nstate) {
|
|
BADINSN_DUMP(anchor, iobj, lobj);
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"insn_set_sc_state error: %d at "LABEL_FORMAT
|
|
", %d expected\n",
|
|
lobj->sc_state, lobj->label_no, nstate);
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
else {
|
|
lobj->sc_state = nstate;
|
|
}
|
|
if (insn_id == BIN(jump)) {
|
|
nstate = SCS_XX;
|
|
}
|
|
}
|
|
else if (insn_id == BIN(leave)) {
|
|
nstate = SCS_XX;
|
|
}
|
|
|
|
return nstate;
|
|
}
|
|
|
|
static int
|
|
label_set_sc_state(LABEL *lobj, int state)
|
|
{
|
|
if (lobj->sc_state != 0) {
|
|
if (lobj->sc_state != state) {
|
|
state = lobj->sc_state;
|
|
}
|
|
}
|
|
else {
|
|
lobj->sc_state = state;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
static int
|
|
iseq_set_sequence_stackcaching(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
|
|
{
|
|
#if OPT_STACK_CACHING
|
|
LINK_ELEMENT *list;
|
|
int state, insn_id;
|
|
|
|
/* initialize */
|
|
state = SCS_XX;
|
|
list = FIRST_ELEMENT(anchor);
|
|
/* dump_disasm_list(list); */
|
|
|
|
/* for each list element */
|
|
while (list) {
|
|
redo_point:
|
|
switch (list->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
{
|
|
INSN *iobj = (INSN *)list;
|
|
insn_id = iobj->insn_id;
|
|
|
|
/* dump_disasm_list(list); */
|
|
|
|
switch (insn_id) {
|
|
case BIN(nop):
|
|
{
|
|
/* exception merge point */
|
|
if (state != SCS_AX) {
|
|
INSN *rpobj =
|
|
new_insn_body(iseq, 0, BIN(reput), 0);
|
|
|
|
/* replace this insn */
|
|
ELEM_REPLACE(list, (LINK_ELEMENT *)rpobj);
|
|
list = (LINK_ELEMENT *)rpobj;
|
|
goto redo_point;
|
|
}
|
|
break;
|
|
}
|
|
case BIN(swap):
|
|
{
|
|
if (state == SCS_AB || state == SCS_BA) {
|
|
state = (state == SCS_AB ? SCS_BA : SCS_AB);
|
|
|
|
ELEM_REMOVE(list);
|
|
list = list->next;
|
|
goto redo_point;
|
|
}
|
|
break;
|
|
}
|
|
case BIN(pop):
|
|
{
|
|
switch (state) {
|
|
case SCS_AX:
|
|
case SCS_BX:
|
|
state = SCS_XX;
|
|
break;
|
|
case SCS_AB:
|
|
state = SCS_AX;
|
|
break;
|
|
case SCS_BA:
|
|
state = SCS_BX;
|
|
break;
|
|
case SCS_XX:
|
|
goto normal_insn;
|
|
default:
|
|
COMPILE_ERROR(iseq, iobj->insn_info.line_no,
|
|
"unreachable");
|
|
return COMPILE_NG;
|
|
}
|
|
/* remove useless pop */
|
|
ELEM_REMOVE(list);
|
|
list = list->next;
|
|
goto redo_point;
|
|
}
|
|
default:;
|
|
/* none */
|
|
} /* end of switch */
|
|
normal_insn:
|
|
state = insn_set_sc_state(iseq, anchor, iobj, state);
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_LABEL:
|
|
{
|
|
LABEL *lobj;
|
|
lobj = (LABEL *)list;
|
|
|
|
state = label_set_sc_state(lobj, state);
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
list = list->next;
|
|
}
|
|
#endif
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
all_string_result_p(const NODE *node)
|
|
{
|
|
if (!node) return FALSE;
|
|
switch (nd_type(node)) {
|
|
case NODE_STR: case NODE_DSTR:
|
|
return TRUE;
|
|
case NODE_IF: case NODE_UNLESS:
|
|
if (!node->nd_body || !node->nd_else) return FALSE;
|
|
if (all_string_result_p(node->nd_body))
|
|
return all_string_result_p(node->nd_else);
|
|
return FALSE;
|
|
case NODE_AND: case NODE_OR:
|
|
if (!node->nd_2nd)
|
|
return all_string_result_p(node->nd_1st);
|
|
if (!all_string_result_p(node->nd_1st))
|
|
return FALSE;
|
|
return all_string_result_p(node->nd_2nd);
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
compile_dstr_fragments(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int *cntp)
|
|
{
|
|
const NODE *list = node->nd_next;
|
|
VALUE lit = node->nd_lit;
|
|
LINK_ELEMENT *first_lit = 0;
|
|
int cnt = 0;
|
|
|
|
debugp_param("nd_lit", lit);
|
|
if (!NIL_P(lit)) {
|
|
cnt++;
|
|
if (!RB_TYPE_P(lit, T_STRING)) {
|
|
COMPILE_ERROR(ERROR_ARGS "dstr: must be string: %s",
|
|
rb_builtin_type_name(TYPE(lit)));
|
|
return COMPILE_NG;
|
|
}
|
|
lit = freeze_literal(iseq, lit);
|
|
ADD_INSN1(ret, nd_line(node), putobject, lit);
|
|
if (RSTRING_LEN(lit) == 0) first_lit = LAST_ELEMENT(ret);
|
|
}
|
|
|
|
while (list) {
|
|
const NODE *const head = list->nd_head;
|
|
if (nd_type(head) == NODE_STR) {
|
|
lit = freeze_literal(iseq, head->nd_lit);
|
|
ADD_INSN1(ret, nd_line(head), putobject, lit);
|
|
lit = Qnil;
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "each string", head));
|
|
}
|
|
cnt++;
|
|
list = list->nd_next;
|
|
}
|
|
if (NIL_P(lit) && first_lit) {
|
|
ELEM_REMOVE(first_lit);
|
|
--cnt;
|
|
}
|
|
*cntp = cnt;
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_dstr(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node)
|
|
{
|
|
int cnt;
|
|
CHECK(compile_dstr_fragments(iseq, ret, node, &cnt));
|
|
ADD_INSN1(ret, nd_line(node), concatstrings, INT2FIX(cnt));
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_dregx(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node)
|
|
{
|
|
int cnt;
|
|
CHECK(compile_dstr_fragments(iseq, ret, node, &cnt));
|
|
ADD_INSN2(ret, nd_line(node), toregexp, INT2FIX(node->nd_cflag), INT2FIX(cnt));
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_flip_flop(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int again,
|
|
LABEL *then_label, LABEL *else_label)
|
|
{
|
|
const int line = nd_line(node);
|
|
LABEL *lend = NEW_LABEL(line);
|
|
rb_num_t cnt = ISEQ_FLIP_CNT_INCREMENT(iseq->body->local_iseq)
|
|
+ VM_SVAR_FLIPFLOP_START;
|
|
VALUE key = INT2FIX(cnt);
|
|
|
|
ADD_INSN2(ret, line, getspecial, key, INT2FIX(0));
|
|
ADD_INSNL(ret, line, branchif, lend);
|
|
|
|
/* *flip == 0 */
|
|
CHECK(COMPILE(ret, "flip2 beg", node->nd_beg));
|
|
ADD_INSNL(ret, line, branchunless, else_label);
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
ADD_INSN1(ret, line, setspecial, key);
|
|
if (!again) {
|
|
ADD_INSNL(ret, line, jump, then_label);
|
|
}
|
|
|
|
/* *flip == 1 */
|
|
ADD_LABEL(ret, lend);
|
|
CHECK(COMPILE(ret, "flip2 end", node->nd_end));
|
|
ADD_INSNL(ret, line, branchunless, then_label);
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
ADD_INSN1(ret, line, setspecial, key);
|
|
ADD_INSNL(ret, line, jump, then_label);
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_branch_condition(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *cond,
|
|
LABEL *then_label, LABEL *else_label)
|
|
{
|
|
again:
|
|
switch (nd_type(cond)) {
|
|
case NODE_AND:
|
|
{
|
|
LABEL *label = NEW_LABEL(nd_line(cond));
|
|
CHECK(compile_branch_condition(iseq, ret, cond->nd_1st, label,
|
|
else_label));
|
|
if (!label->refcnt) break;
|
|
ADD_LABEL(ret, label);
|
|
cond = cond->nd_2nd;
|
|
goto again;
|
|
}
|
|
case NODE_OR:
|
|
{
|
|
LABEL *label = NEW_LABEL(nd_line(cond));
|
|
CHECK(compile_branch_condition(iseq, ret, cond->nd_1st, then_label,
|
|
label));
|
|
if (!label->refcnt) break;
|
|
ADD_LABEL(ret, label);
|
|
cond = cond->nd_2nd;
|
|
goto again;
|
|
}
|
|
case NODE_LIT: /* NODE_LIT is always true */
|
|
case NODE_TRUE:
|
|
case NODE_STR:
|
|
case NODE_ZARRAY:
|
|
case NODE_LAMBDA:
|
|
/* printf("useless condition eliminate (%s)\n", ruby_node_name(nd_type(cond))); */
|
|
ADD_INSNL(ret, nd_line(cond), jump, then_label);
|
|
break;
|
|
case NODE_FALSE:
|
|
case NODE_NIL:
|
|
/* printf("useless condition eliminate (%s)\n", ruby_node_name(nd_type(cond))); */
|
|
ADD_INSNL(ret, nd_line(cond), jump, else_label);
|
|
break;
|
|
case NODE_ARRAY:
|
|
case NODE_ARGSCAT:
|
|
case NODE_DREGX:
|
|
case NODE_DSTR:
|
|
CHECK(COMPILE_POPPED(ret, "branch condition", cond));
|
|
ADD_INSNL(ret, nd_line(cond), jump, then_label);
|
|
break;
|
|
case NODE_FLIP2:
|
|
CHECK(compile_flip_flop(iseq, ret, cond, TRUE, then_label, else_label));
|
|
break;
|
|
case NODE_FLIP3:
|
|
CHECK(compile_flip_flop(iseq, ret, cond, FALSE, then_label, else_label));
|
|
break;
|
|
case NODE_DEFINED:
|
|
CHECK(compile_defined_expr(iseq, ret, cond, Qfalse));
|
|
goto branch;
|
|
default:
|
|
CHECK(COMPILE(ret, "branch condition", cond));
|
|
branch:
|
|
ADD_INSNL(ret, nd_line(cond), branchunless, else_label);
|
|
ADD_INSNL(ret, nd_line(cond), jump, then_label);
|
|
break;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_keyword_arg(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
|
|
const NODE *const root_node,
|
|
struct rb_call_info_kw_arg **const kw_arg_ptr,
|
|
unsigned int *flag)
|
|
{
|
|
if (kw_arg_ptr == NULL) return FALSE;
|
|
|
|
if (nd_type(root_node) == NODE_HASH && root_node->nd_head && nd_type(root_node->nd_head) == NODE_ARRAY) {
|
|
const NODE *node = root_node->nd_head;
|
|
|
|
while (node) {
|
|
const NODE *key_node = node->nd_head;
|
|
|
|
assert(nd_type(node) == NODE_ARRAY);
|
|
if (!key_node) {
|
|
if (flag && !root_node->nd_brace) *flag |= VM_CALL_KW_SPLAT;
|
|
return FALSE;
|
|
}
|
|
else if (nd_type(key_node) == NODE_LIT && RB_TYPE_P(key_node->nd_lit, T_SYMBOL)) {
|
|
/* can be keywords */
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
node = node->nd_next; /* skip value node */
|
|
node = node->nd_next;
|
|
}
|
|
|
|
/* may be keywords */
|
|
node = root_node->nd_head;
|
|
{
|
|
int len = (int)node->nd_alen / 2;
|
|
struct rb_call_info_kw_arg *kw_arg = (struct rb_call_info_kw_arg *)ruby_xmalloc(sizeof(struct rb_call_info_kw_arg) + sizeof(VALUE) * (len - 1));
|
|
VALUE *keywords = kw_arg->keywords;
|
|
int i = 0;
|
|
kw_arg->keyword_len = len;
|
|
|
|
*kw_arg_ptr = kw_arg;
|
|
|
|
for (i=0; node != NULL; i++, node = node->nd_next->nd_next) {
|
|
const NODE *key_node = node->nd_head;
|
|
const NODE *val_node = node->nd_next->nd_head;
|
|
keywords[i] = key_node->nd_lit;
|
|
COMPILE(ret, "keyword values", val_node);
|
|
}
|
|
assert(i == len);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static int
|
|
compile_args(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node_root,
|
|
struct rb_call_info_kw_arg **keywords_ptr, unsigned int *flag)
|
|
{
|
|
const NODE *node = node_root;
|
|
int len = 0;
|
|
|
|
for (; node; len++, node = node->nd_next) {
|
|
if (CPDEBUG > 0) {
|
|
EXPECT_NODE("compile_args", node, NODE_ARRAY, -1);
|
|
}
|
|
|
|
if (node->nd_next == NULL /* last node */ &&
|
|
compile_keyword_arg(iseq, ret, node->nd_head, keywords_ptr, flag)) {
|
|
len--;
|
|
}
|
|
else {
|
|
COMPILE_(ret, "array element", node->nd_head, FALSE);
|
|
}
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
enum compile_array_type_t {
|
|
COMPILE_ARRAY_TYPE_ARRAY,
|
|
COMPILE_ARRAY_TYPE_HASH
|
|
};
|
|
|
|
static inline int
|
|
static_literal_node_p(const NODE *node, const rb_iseq_t *iseq)
|
|
{
|
|
node = node->nd_head;
|
|
switch (nd_type(node)) {
|
|
case NODE_LIT:
|
|
case NODE_NIL:
|
|
case NODE_TRUE:
|
|
case NODE_FALSE:
|
|
return TRUE;
|
|
case NODE_STR:
|
|
return ISEQ_COMPILE_DATA(iseq)->option->frozen_string_literal;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static inline VALUE
|
|
static_literal_value(const NODE *node, rb_iseq_t *iseq)
|
|
{
|
|
node = node->nd_head;
|
|
switch (nd_type(node)) {
|
|
case NODE_NIL:
|
|
return Qnil;
|
|
case NODE_TRUE:
|
|
return Qtrue;
|
|
case NODE_FALSE:
|
|
return Qfalse;
|
|
case NODE_STR:
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->debug_frozen_string_literal || RTEST(ruby_debug)) {
|
|
VALUE lit;
|
|
VALUE debug_info = rb_ary_new_from_args(2, rb_iseq_path(iseq), INT2FIX((int)nd_line(node)));
|
|
lit = rb_str_dup(node->nd_lit);
|
|
rb_ivar_set(lit, id_debug_created_info, rb_obj_freeze(debug_info));
|
|
return rb_str_freeze(lit);
|
|
}
|
|
else {
|
|
return rb_fstring(node->nd_lit);
|
|
}
|
|
default:
|
|
return node->nd_lit;
|
|
}
|
|
}
|
|
|
|
static int
|
|
compile_array(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node_root,
|
|
enum compile_array_type_t type, int popped)
|
|
{
|
|
const NODE *node = node_root;
|
|
int line = (int)nd_line(node);
|
|
int len = 0;
|
|
|
|
if (nd_type(node) == NODE_ZARRAY) {
|
|
if (!popped) {
|
|
switch (type) {
|
|
case COMPILE_ARRAY_TYPE_ARRAY: ADD_INSN1(ret, line, newarray, INT2FIX(0)); break;
|
|
case COMPILE_ARRAY_TYPE_HASH: ADD_INSN1(ret, line, newhash, INT2FIX(0)); break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
int opt_p = 1;
|
|
int first = 1, i;
|
|
|
|
while (node) {
|
|
const NODE *start_node = node, *end_node;
|
|
const NODE *kw = 0;
|
|
const int max = 0x100;
|
|
DECL_ANCHOR(anchor);
|
|
INIT_ANCHOR(anchor);
|
|
|
|
for (i=0; i<max && node; i++, len++, node = node->nd_next) {
|
|
if (CPDEBUG > 0) {
|
|
EXPECT_NODE("compile_array", node, NODE_ARRAY, -1);
|
|
}
|
|
|
|
if (type == COMPILE_ARRAY_TYPE_HASH && !node->nd_head) {
|
|
kw = node->nd_next;
|
|
node = 0;
|
|
if (kw) {
|
|
opt_p = 0;
|
|
node = kw->nd_next;
|
|
kw = kw->nd_head;
|
|
}
|
|
break;
|
|
}
|
|
if (opt_p && !static_literal_node_p(node, iseq)) {
|
|
opt_p = 0;
|
|
}
|
|
|
|
COMPILE_(anchor, "array element", node->nd_head, popped);
|
|
}
|
|
|
|
if (opt_p) {
|
|
if (!popped) {
|
|
VALUE ary = rb_ary_tmp_new(i);
|
|
|
|
end_node = node;
|
|
node = start_node;
|
|
|
|
while (node != end_node) {
|
|
rb_ary_push(ary, static_literal_value(node, iseq));
|
|
node = node->nd_next;
|
|
}
|
|
while (node && node->nd_next &&
|
|
static_literal_node_p(node, iseq) &&
|
|
static_literal_node_p(node->nd_next, iseq)) {
|
|
VALUE elem[2];
|
|
elem[0] = static_literal_value(node, iseq);
|
|
elem[1] = static_literal_value(node->nd_next, iseq);
|
|
rb_ary_cat(ary, elem, 2);
|
|
node = node->nd_next->nd_next;
|
|
len++;
|
|
}
|
|
|
|
OBJ_FREEZE(ary);
|
|
|
|
iseq_add_mark_object_compile_time(iseq, ary);
|
|
|
|
if (first) {
|
|
first = 0;
|
|
if (type == COMPILE_ARRAY_TYPE_ARRAY) {
|
|
ADD_INSN1(ret, line, duparray, ary);
|
|
}
|
|
else { /* COMPILE_ARRAY_TYPE_HASH */
|
|
VALUE hash;
|
|
|
|
hash = rb_hash_new_with_size(RARRAY_LEN(ary) / 2);
|
|
rb_hash_bulk_insert(RARRAY_LEN(ary), RARRAY_CONST_PTR_TRANSIENT(ary), hash);
|
|
iseq_add_mark_object_compile_time(iseq, rb_obj_hide(hash));
|
|
ADD_INSN1(ret, line, duphash, hash);
|
|
}
|
|
}
|
|
else {
|
|
if (type == COMPILE_ARRAY_TYPE_ARRAY) {
|
|
ADD_INSN1(ret, line, putobject, ary);
|
|
ADD_INSN(ret, line, concatarray);
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "core#hash_merge_ary");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (!popped || kw) {
|
|
switch (type) {
|
|
case COMPILE_ARRAY_TYPE_ARRAY:
|
|
ADD_INSN1(anchor, line, newarray, INT2FIX(i));
|
|
|
|
if (first) {
|
|
first = 0;
|
|
}
|
|
else {
|
|
ADD_INSN(anchor, line, concatarray);
|
|
}
|
|
|
|
APPEND_LIST(ret, anchor);
|
|
break;
|
|
case COMPILE_ARRAY_TYPE_HASH:
|
|
if (i > 0) {
|
|
if (first) {
|
|
if (!popped) {
|
|
ADD_INSN1(anchor, line, newhash, INT2FIX(i));
|
|
}
|
|
APPEND_LIST(ret, anchor);
|
|
}
|
|
else {
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN(ret, line, swap);
|
|
}
|
|
APPEND_LIST(ret, anchor);
|
|
if (!popped) {
|
|
ADD_SEND(ret, line, id_core_hash_merge_ptr, INT2FIX(i + 1));
|
|
}
|
|
}
|
|
}
|
|
if (kw) {
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
if (i > 0 || !first) ADD_INSN(ret, line, swap);
|
|
else ADD_INSN1(ret, line, newhash, INT2FIX(0));
|
|
}
|
|
COMPILE(ret, "keyword splat", kw);
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
else {
|
|
ADD_SEND(ret, line, id_core_hash_merge_kwd, INT2FIX(2));
|
|
}
|
|
}
|
|
first = 0;
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
/* popped */
|
|
APPEND_LIST(ret, anchor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
|
|
VALUE
|
|
rb_node_case_when_optimizable_literal(const NODE *const node)
|
|
{
|
|
switch (nd_type(node)) {
|
|
case NODE_LIT: {
|
|
VALUE v = node->nd_lit;
|
|
double ival;
|
|
if (RB_TYPE_P(v, T_FLOAT) &&
|
|
modf(RFLOAT_VALUE(v), &ival) == 0.0) {
|
|
return FIXABLE(ival) ? LONG2FIX((long)ival) : rb_dbl2big(ival);
|
|
}
|
|
if (SYMBOL_P(v) || rb_obj_is_kind_of(v, rb_cNumeric)) {
|
|
return v;
|
|
}
|
|
break;
|
|
}
|
|
case NODE_NIL:
|
|
return Qnil;
|
|
case NODE_TRUE:
|
|
return Qtrue;
|
|
case NODE_FALSE:
|
|
return Qfalse;
|
|
case NODE_STR:
|
|
return rb_fstring(node->nd_lit);
|
|
}
|
|
return Qundef;
|
|
}
|
|
|
|
static int
|
|
when_vals(rb_iseq_t *iseq, LINK_ANCHOR *const cond_seq, const NODE *vals,
|
|
LABEL *l1, int only_special_literals, VALUE literals)
|
|
{
|
|
while (vals) {
|
|
const NODE *val = vals->nd_head;
|
|
VALUE lit = rb_node_case_when_optimizable_literal(val);
|
|
|
|
if (lit == Qundef) {
|
|
only_special_literals = 0;
|
|
}
|
|
else if (NIL_P(rb_hash_lookup(literals, lit))) {
|
|
rb_hash_aset(literals, lit, (VALUE)(l1) | 1);
|
|
}
|
|
|
|
ADD_INSN(cond_seq, nd_line(val), dup); /* dup target */
|
|
|
|
if (nd_type(val) == NODE_STR) {
|
|
debugp_param("nd_lit", val->nd_lit);
|
|
lit = freeze_literal(iseq, val->nd_lit);
|
|
ADD_INSN1(cond_seq, nd_line(val), putobject, lit);
|
|
}
|
|
else {
|
|
if (!COMPILE(cond_seq, "when cond", val)) return -1;
|
|
}
|
|
|
|
ADD_INSN1(cond_seq, nd_line(vals), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(cond_seq, nd_line(val), branchif, l1);
|
|
vals = vals->nd_next;
|
|
}
|
|
return only_special_literals;
|
|
}
|
|
|
|
static int
|
|
when_splat_vals(rb_iseq_t *iseq, LINK_ANCHOR *const cond_seq, const NODE *vals,
|
|
LABEL *l1, int only_special_literals, VALUE literals)
|
|
{
|
|
const int line = nd_line(vals);
|
|
|
|
switch (nd_type(vals)) {
|
|
case NODE_ARRAY:
|
|
if (when_vals(iseq, cond_seq, vals, l1, only_special_literals, literals) < 0)
|
|
return COMPILE_NG;
|
|
break;
|
|
case NODE_SPLAT:
|
|
ADD_INSN (cond_seq, line, dup);
|
|
CHECK(COMPILE(cond_seq, "when splat", vals->nd_head));
|
|
ADD_INSN1(cond_seq, line, splatarray, Qfalse);
|
|
ADD_INSN1(cond_seq, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE | VM_CHECKMATCH_ARRAY));
|
|
ADD_INSNL(cond_seq, line, branchif, l1);
|
|
break;
|
|
case NODE_ARGSCAT:
|
|
CHECK(when_splat_vals(iseq, cond_seq, vals->nd_head, l1, only_special_literals, literals));
|
|
CHECK(when_splat_vals(iseq, cond_seq, vals->nd_body, l1, only_special_literals, literals));
|
|
break;
|
|
case NODE_ARGSPUSH:
|
|
CHECK(when_splat_vals(iseq, cond_seq, vals->nd_head, l1, only_special_literals, literals));
|
|
ADD_INSN (cond_seq, line, dup);
|
|
CHECK(COMPILE(cond_seq, "when argspush body", vals->nd_body));
|
|
ADD_INSN1(cond_seq, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(cond_seq, line, branchif, l1);
|
|
break;
|
|
default:
|
|
ADD_INSN (cond_seq, line, dup);
|
|
CHECK(COMPILE(cond_seq, "when val", vals));
|
|
ADD_INSN1(cond_seq, line, splatarray, Qfalse);
|
|
ADD_INSN1(cond_seq, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE | VM_CHECKMATCH_ARRAY));
|
|
ADD_INSNL(cond_seq, line, branchif, l1);
|
|
break;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
|
|
static int
|
|
compile_massign_lhs(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node)
|
|
{
|
|
switch (nd_type(node)) {
|
|
case NODE_ATTRASGN: {
|
|
INSN *iobj;
|
|
struct rb_call_info *ci;
|
|
VALUE dupidx;
|
|
int line = nd_line(node);
|
|
|
|
CHECK(COMPILE_POPPED(ret, "masgn lhs (NODE_ATTRASGN)", node));
|
|
|
|
iobj = (INSN *)get_prev_insn((INSN *)LAST_ELEMENT(ret)); /* send insn */
|
|
ci = (struct rb_call_info *)iobj->operands[0];
|
|
ci->orig_argc += 1;
|
|
dupidx = INT2FIX(ci->orig_argc);
|
|
|
|
INSERT_BEFORE_INSN1(iobj, line, topn, dupidx);
|
|
if (ci->flag & VM_CALL_ARGS_SPLAT) {
|
|
--ci->orig_argc;
|
|
INSERT_BEFORE_INSN1(iobj, line, newarray, INT2FIX(1));
|
|
INSERT_BEFORE_INSN(iobj, line, concatarray);
|
|
}
|
|
ADD_INSN(ret, line, pop); /* result */
|
|
break;
|
|
}
|
|
case NODE_MASGN: {
|
|
DECL_ANCHOR(anchor);
|
|
INIT_ANCHOR(anchor);
|
|
CHECK(COMPILE_POPPED(anchor, "nest masgn lhs", node));
|
|
ELEM_REMOVE(FIRST_ELEMENT(anchor));
|
|
ADD_SEQ(ret, anchor);
|
|
break;
|
|
}
|
|
default: {
|
|
DECL_ANCHOR(anchor);
|
|
INIT_ANCHOR(anchor);
|
|
CHECK(COMPILE_POPPED(anchor, "masgn lhs", node));
|
|
ELEM_REMOVE(FIRST_ELEMENT(anchor));
|
|
ADD_SEQ(ret, anchor);
|
|
}
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_massign_opt_lhs(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *lhsn)
|
|
{
|
|
if (lhsn) {
|
|
CHECK(compile_massign_opt_lhs(iseq, ret, lhsn->nd_next));
|
|
CHECK(compile_massign_lhs(iseq, ret, lhsn->nd_head));
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_massign_opt(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
|
|
const NODE *rhsn, const NODE *orig_lhsn)
|
|
{
|
|
VALUE mem[64];
|
|
const int memsize = numberof(mem);
|
|
int memindex = 0;
|
|
int llen = 0, rlen = 0;
|
|
int i;
|
|
const NODE *lhsn = orig_lhsn;
|
|
|
|
#define MEMORY(v) { \
|
|
int i; \
|
|
if (memindex == memsize) return 0; \
|
|
for (i=0; i<memindex; i++) { \
|
|
if (mem[i] == (v)) return 0; \
|
|
} \
|
|
mem[memindex++] = (v); \
|
|
}
|
|
|
|
if (rhsn == 0 || nd_type(rhsn) != NODE_ARRAY) {
|
|
return 0;
|
|
}
|
|
|
|
while (lhsn) {
|
|
const NODE *ln = lhsn->nd_head;
|
|
switch (nd_type(ln)) {
|
|
case NODE_LASGN:
|
|
MEMORY(ln->nd_vid);
|
|
break;
|
|
case NODE_DASGN:
|
|
case NODE_DASGN_CURR:
|
|
case NODE_IASGN:
|
|
case NODE_CVASGN:
|
|
MEMORY(ln->nd_vid);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
lhsn = lhsn->nd_next;
|
|
llen++;
|
|
}
|
|
|
|
while (rhsn) {
|
|
if (llen <= rlen) {
|
|
COMPILE_POPPED(ret, "masgn val (popped)", rhsn->nd_head);
|
|
}
|
|
else {
|
|
COMPILE(ret, "masgn val", rhsn->nd_head);
|
|
}
|
|
rhsn = rhsn->nd_next;
|
|
rlen++;
|
|
}
|
|
|
|
if (llen > rlen) {
|
|
for (i=0; i<llen-rlen; i++) {
|
|
ADD_INSN(ret, nd_line(orig_lhsn), putnil);
|
|
}
|
|
}
|
|
|
|
compile_massign_opt_lhs(iseq, ret, orig_lhsn);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
adjust_stack(rb_iseq_t *iseq, LINK_ANCHOR *const ret, int line, int rlen, int llen)
|
|
{
|
|
if (rlen < llen) {
|
|
do {ADD_INSN(ret, line, putnil);} while (++rlen < llen);
|
|
}
|
|
else if (rlen > llen) {
|
|
do {ADD_INSN(ret, line, pop);} while (--rlen > llen);
|
|
}
|
|
}
|
|
|
|
static int
|
|
compile_massign(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const NODE *rhsn = node->nd_value;
|
|
const NODE *splatn = node->nd_args;
|
|
const NODE *lhsn = node->nd_head;
|
|
int lhs_splat = (splatn && NODE_NAMED_REST_P(splatn)) ? 1 : 0;
|
|
|
|
if (!popped || splatn || !compile_massign_opt(iseq, ret, rhsn, lhsn)) {
|
|
int llen = 0;
|
|
int expand = 1;
|
|
DECL_ANCHOR(lhsseq);
|
|
|
|
INIT_ANCHOR(lhsseq);
|
|
|
|
while (lhsn) {
|
|
CHECK(compile_massign_lhs(iseq, lhsseq, lhsn->nd_head));
|
|
llen += 1;
|
|
lhsn = lhsn->nd_next;
|
|
}
|
|
|
|
COMPILE(ret, "normal masgn rhs", rhsn);
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, nd_line(node), dup);
|
|
}
|
|
else if (!lhs_splat) {
|
|
INSN *last = (INSN*)ret->last;
|
|
if (IS_INSN(&last->link) &&
|
|
IS_INSN_ID(last, newarray) &&
|
|
last->operand_size == 1) {
|
|
int rlen = FIX2INT(OPERAND_AT(last, 0));
|
|
/* special case: assign to aset or attrset */
|
|
if (llen == 2) {
|
|
POP_ELEMENT(ret);
|
|
adjust_stack(iseq, ret, nd_line(node), rlen, llen);
|
|
ADD_INSN(ret, nd_line(node), swap);
|
|
expand = 0;
|
|
}
|
|
else if (llen > 2 && llen != rlen) {
|
|
POP_ELEMENT(ret);
|
|
adjust_stack(iseq, ret, nd_line(node), rlen, llen);
|
|
ADD_INSN1(ret, nd_line(node), reverse, INT2FIX(llen));
|
|
expand = 0;
|
|
}
|
|
else if (llen > 2) {
|
|
last->insn_id = BIN(reverse);
|
|
expand = 0;
|
|
}
|
|
}
|
|
}
|
|
if (expand) {
|
|
ADD_INSN2(ret, nd_line(node), expandarray,
|
|
INT2FIX(llen), INT2FIX(lhs_splat));
|
|
}
|
|
ADD_SEQ(ret, lhsseq);
|
|
|
|
if (lhs_splat) {
|
|
if (nd_type(splatn) == NODE_POSTARG) {
|
|
/*a, b, *r, p1, p2 */
|
|
const NODE *postn = splatn->nd_2nd;
|
|
const NODE *restn = splatn->nd_1st;
|
|
int num = (int)postn->nd_alen;
|
|
int flag = 0x02 | (NODE_NAMED_REST_P(restn) ? 0x01 : 0x00);
|
|
|
|
ADD_INSN2(ret, nd_line(splatn), expandarray,
|
|
INT2FIX(num), INT2FIX(flag));
|
|
|
|
if (NODE_NAMED_REST_P(restn)) {
|
|
CHECK(compile_massign_lhs(iseq, ret, restn));
|
|
}
|
|
while (postn) {
|
|
CHECK(compile_massign_lhs(iseq, ret, postn->nd_head));
|
|
postn = postn->nd_next;
|
|
}
|
|
}
|
|
else {
|
|
/* a, b, *r */
|
|
CHECK(compile_massign_lhs(iseq, ret, splatn));
|
|
}
|
|
}
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_const_prefix(rb_iseq_t *iseq, const NODE *const node,
|
|
LINK_ANCHOR *const pref, LINK_ANCHOR *const body)
|
|
{
|
|
switch (nd_type(node)) {
|
|
case NODE_CONST:
|
|
debugi("compile_const_prefix - colon", node->nd_vid);
|
|
ADD_INSN1(body, nd_line(node), getconstant, ID2SYM(node->nd_vid));
|
|
break;
|
|
case NODE_COLON3:
|
|
debugi("compile_const_prefix - colon3", node->nd_mid);
|
|
ADD_INSN(body, nd_line(node), pop);
|
|
ADD_INSN1(body, nd_line(node), putobject, rb_cObject);
|
|
ADD_INSN1(body, nd_line(node), getconstant, ID2SYM(node->nd_mid));
|
|
break;
|
|
case NODE_COLON2:
|
|
CHECK(compile_const_prefix(iseq, node->nd_head, pref, body));
|
|
debugi("compile_const_prefix - colon2", node->nd_mid);
|
|
ADD_INSN1(body, nd_line(node), getconstant, ID2SYM(node->nd_mid));
|
|
break;
|
|
default:
|
|
CHECK(COMPILE(pref, "const colon2 prefix", node));
|
|
break;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_cpath(LINK_ANCHOR *const ret, rb_iseq_t *iseq, const NODE *cpath)
|
|
{
|
|
if (nd_type(cpath) == NODE_COLON3) {
|
|
/* toplevel class ::Foo */
|
|
ADD_INSN1(ret, nd_line(cpath), putobject, rb_cObject);
|
|
return VM_DEFINECLASS_FLAG_SCOPED;
|
|
}
|
|
else if (cpath->nd_head) {
|
|
/* Bar::Foo */
|
|
COMPILE(ret, "nd_else->nd_head", cpath->nd_head);
|
|
return VM_DEFINECLASS_FLAG_SCOPED;
|
|
}
|
|
else {
|
|
/* class at cbase Foo */
|
|
ADD_INSN1(ret, nd_line(cpath), putspecialobject,
|
|
INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#define private_recv_p(node) (nd_type((node)->nd_recv) == NODE_SELF)
|
|
static int
|
|
defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
|
|
const NODE *const node, LABEL **lfinish, VALUE needstr);
|
|
|
|
static int
|
|
defined_expr0(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
|
|
const NODE *const node, LABEL **lfinish, VALUE needstr)
|
|
{
|
|
enum defined_type expr_type = DEFINED_NOT_DEFINED;
|
|
enum node_type type;
|
|
const int line = nd_line(node);
|
|
|
|
switch (type = nd_type(node)) {
|
|
|
|
/* easy literals */
|
|
case NODE_NIL:
|
|
expr_type = DEFINED_NIL;
|
|
break;
|
|
case NODE_SELF:
|
|
expr_type = DEFINED_SELF;
|
|
break;
|
|
case NODE_TRUE:
|
|
expr_type = DEFINED_TRUE;
|
|
break;
|
|
case NODE_FALSE:
|
|
expr_type = DEFINED_FALSE;
|
|
break;
|
|
|
|
case NODE_ARRAY:{
|
|
const NODE *vals = node;
|
|
|
|
do {
|
|
defined_expr0(iseq, ret, vals->nd_head, lfinish, Qfalse);
|
|
|
|
if (!lfinish[1]) {
|
|
lfinish[1] = NEW_LABEL(line);
|
|
}
|
|
ADD_INSNL(ret, line, branchunless, lfinish[1]);
|
|
} while ((vals = vals->nd_next) != NULL);
|
|
}
|
|
case NODE_STR:
|
|
case NODE_LIT:
|
|
case NODE_ZARRAY:
|
|
case NODE_AND:
|
|
case NODE_OR:
|
|
default:
|
|
expr_type = DEFINED_EXPR;
|
|
break;
|
|
|
|
/* variables */
|
|
case NODE_LVAR:
|
|
case NODE_DVAR:
|
|
expr_type = DEFINED_LVAR;
|
|
break;
|
|
|
|
case NODE_IVAR:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_IVAR),
|
|
ID2SYM(node->nd_vid), needstr);
|
|
return 1;
|
|
|
|
case NODE_GVAR:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_GVAR),
|
|
ID2SYM(node->nd_entry->id), needstr);
|
|
return 1;
|
|
|
|
case NODE_CVAR:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_CVAR),
|
|
ID2SYM(node->nd_vid), needstr);
|
|
return 1;
|
|
|
|
case NODE_CONST:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_CONST),
|
|
ID2SYM(node->nd_vid), needstr);
|
|
return 1;
|
|
case NODE_COLON2:
|
|
if (!lfinish[1]) {
|
|
lfinish[1] = NEW_LABEL(line);
|
|
}
|
|
defined_expr0(iseq, ret, node->nd_head, lfinish, Qfalse);
|
|
ADD_INSNL(ret, line, branchunless, lfinish[1]);
|
|
COMPILE(ret, "defined/colon2#nd_head", node->nd_head);
|
|
|
|
ADD_INSN3(ret, line, defined,
|
|
(rb_is_const_id(node->nd_mid) ?
|
|
INT2FIX(DEFINED_CONST) : INT2FIX(DEFINED_METHOD)),
|
|
ID2SYM(node->nd_mid), needstr);
|
|
return 1;
|
|
case NODE_COLON3:
|
|
ADD_INSN1(ret, line, putobject, rb_cObject);
|
|
ADD_INSN3(ret, line, defined,
|
|
INT2FIX(DEFINED_CONST), ID2SYM(node->nd_mid), needstr);
|
|
return 1;
|
|
|
|
/* method dispatch */
|
|
case NODE_CALL:
|
|
case NODE_OPCALL:
|
|
case NODE_VCALL:
|
|
case NODE_FCALL:
|
|
case NODE_METHREF:
|
|
case NODE_ATTRASGN:{
|
|
const int explicit_receiver =
|
|
(type == NODE_CALL || type == NODE_OPCALL ||
|
|
type == NODE_METHREF ||
|
|
(type == NODE_ATTRASGN && !private_recv_p(node)));
|
|
|
|
if (!lfinish[1] && (node->nd_args || explicit_receiver)) {
|
|
lfinish[1] = NEW_LABEL(line);
|
|
}
|
|
if (node->nd_args) {
|
|
defined_expr0(iseq, ret, node->nd_args, lfinish, Qfalse);
|
|
ADD_INSNL(ret, line, branchunless, lfinish[1]);
|
|
}
|
|
if (explicit_receiver) {
|
|
defined_expr0(iseq, ret, node->nd_recv, lfinish, Qfalse);
|
|
ADD_INSNL(ret, line, branchunless, lfinish[1]);
|
|
COMPILE(ret, "defined/recv", node->nd_recv);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_METHOD),
|
|
ID2SYM(node->nd_mid), needstr);
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, putself);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_FUNC),
|
|
ID2SYM(node->nd_mid), needstr);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
case NODE_YIELD:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_YIELD), 0,
|
|
needstr);
|
|
return 1;
|
|
|
|
case NODE_BACK_REF:
|
|
case NODE_NTH_REF:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_REF),
|
|
INT2FIX((node->nd_nth << 1) | (type == NODE_BACK_REF)),
|
|
needstr);
|
|
return 1;
|
|
|
|
case NODE_SUPER:
|
|
case NODE_ZSUPER:
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_ZSUPER), 0,
|
|
needstr);
|
|
return 1;
|
|
|
|
case NODE_OP_ASGN1:
|
|
case NODE_OP_ASGN2:
|
|
case NODE_OP_ASGN_OR:
|
|
case NODE_OP_ASGN_AND:
|
|
case NODE_MASGN:
|
|
case NODE_LASGN:
|
|
case NODE_DASGN:
|
|
case NODE_DASGN_CURR:
|
|
case NODE_GASGN:
|
|
case NODE_IASGN:
|
|
case NODE_CDECL:
|
|
case NODE_CVASGN:
|
|
expr_type = DEFINED_ASGN;
|
|
break;
|
|
}
|
|
|
|
if (expr_type) {
|
|
if (needstr != Qfalse) {
|
|
VALUE str = rb_iseq_defined_string(expr_type);
|
|
ADD_INSN1(ret, line, putobject, str);
|
|
}
|
|
else {
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
}
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static VALUE
|
|
build_defined_rescue_iseq(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *unused)
|
|
{
|
|
ADD_INSN(ret, 0, putnil);
|
|
iseq_set_exception_local_table(iseq);
|
|
return Qnil;
|
|
}
|
|
|
|
static int
|
|
defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *const ret,
|
|
const NODE *const node, LABEL **lfinish, VALUE needstr)
|
|
{
|
|
LINK_ELEMENT *lcur = ret->last;
|
|
int done = defined_expr0(iseq, ret, node, lfinish, needstr);
|
|
if (lfinish[1]) {
|
|
int line = nd_line(node);
|
|
LABEL *lstart = NEW_LABEL(line);
|
|
LABEL *lend = NEW_LABEL(line);
|
|
const rb_iseq_t *rescue;
|
|
rescue = new_child_iseq_ifunc(iseq, IFUNC_NEW(build_defined_rescue_iseq, 0, 0),
|
|
rb_str_concat(rb_str_new2("defined guard in "),
|
|
iseq->body->location.label),
|
|
iseq, ISEQ_TYPE_RESCUE, 0);
|
|
lstart->rescued = LABEL_RESCUE_BEG;
|
|
lend->rescued = LABEL_RESCUE_END;
|
|
APPEND_LABEL(ret, lcur, lstart);
|
|
ADD_LABEL(ret, lend);
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, rescue, lfinish[1]);
|
|
}
|
|
return done;
|
|
}
|
|
|
|
static int
|
|
compile_defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, VALUE needstr)
|
|
{
|
|
const int line = nd_line(node);
|
|
if (!node->nd_head) {
|
|
VALUE str = rb_iseq_defined_string(DEFINED_NIL);
|
|
ADD_INSN1(ret, line, putobject, str);
|
|
}
|
|
else {
|
|
LABEL *lfinish[2];
|
|
LINK_ELEMENT *last = ret->last;
|
|
lfinish[0] = NEW_LABEL(line);
|
|
lfinish[1] = 0;
|
|
defined_expr(iseq, ret, node->nd_head, lfinish, needstr);
|
|
if (lfinish[1]) {
|
|
ELEM_INSERT_NEXT(last, &new_insn_body(iseq, line, BIN(putnil), 0)->link);
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_LABEL(ret, lfinish[1]);
|
|
}
|
|
ADD_LABEL(ret, lfinish[0]);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static VALUE
|
|
make_name_for_block(const rb_iseq_t *orig_iseq)
|
|
{
|
|
int level = 1;
|
|
const rb_iseq_t *iseq = orig_iseq;
|
|
|
|
if (orig_iseq->body->parent_iseq != 0) {
|
|
while (orig_iseq->body->local_iseq != iseq) {
|
|
if (iseq->body->type == ISEQ_TYPE_BLOCK) {
|
|
level++;
|
|
}
|
|
iseq = iseq->body->parent_iseq;
|
|
}
|
|
}
|
|
|
|
if (level == 1) {
|
|
return rb_sprintf("block in %"PRIsVALUE, iseq->body->location.label);
|
|
}
|
|
else {
|
|
return rb_sprintf("block (%d levels) in %"PRIsVALUE, level, iseq->body->location.label);
|
|
}
|
|
}
|
|
|
|
static void
|
|
push_ensure_entry(rb_iseq_t *iseq,
|
|
struct iseq_compile_data_ensure_node_stack *enl,
|
|
struct ensure_range *er, const NODE *const node)
|
|
{
|
|
enl->ensure_node = node;
|
|
enl->prev = ISEQ_COMPILE_DATA(iseq)->ensure_node_stack; /* prev */
|
|
enl->erange = er;
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack = enl;
|
|
}
|
|
|
|
static void
|
|
add_ensure_range(rb_iseq_t *iseq, struct ensure_range *erange,
|
|
LABEL *lstart, LABEL *lend)
|
|
{
|
|
struct ensure_range *ne =
|
|
compile_data_alloc(iseq, sizeof(struct ensure_range));
|
|
|
|
while (erange->next != 0) {
|
|
erange = erange->next;
|
|
}
|
|
ne->next = 0;
|
|
ne->begin = lend;
|
|
ne->end = erange->end;
|
|
erange->end = lstart;
|
|
|
|
erange->next = ne;
|
|
}
|
|
|
|
static void
|
|
add_ensure_iseq(LINK_ANCHOR *const ret, rb_iseq_t *iseq, int is_return)
|
|
{
|
|
struct iseq_compile_data_ensure_node_stack *enlp =
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack;
|
|
struct iseq_compile_data_ensure_node_stack *prev_enlp = enlp;
|
|
DECL_ANCHOR(ensure);
|
|
|
|
INIT_ANCHOR(ensure);
|
|
while (enlp) {
|
|
if (enlp->erange != NULL) {
|
|
DECL_ANCHOR(ensure_part);
|
|
LABEL *lstart = NEW_LABEL(0);
|
|
LABEL *lend = NEW_LABEL(0);
|
|
INIT_ANCHOR(ensure_part);
|
|
|
|
add_ensure_range(iseq, enlp->erange, lstart, lend);
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack = enlp->prev;
|
|
ADD_LABEL(ensure_part, lstart);
|
|
COMPILE_POPPED(ensure_part, "ensure part", enlp->ensure_node);
|
|
ADD_LABEL(ensure_part, lend);
|
|
ADD_SEQ(ensure, ensure_part);
|
|
}
|
|
else {
|
|
if (!is_return) {
|
|
break;
|
|
}
|
|
}
|
|
enlp = enlp->prev;
|
|
}
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack = prev_enlp;
|
|
ADD_SEQ(ret, ensure);
|
|
}
|
|
|
|
static int
|
|
check_keyword(const NODE *node)
|
|
{
|
|
/* This check is essentially a code clone of compile_keyword_arg. */
|
|
|
|
if (nd_type(node) == NODE_ARRAY) {
|
|
while (node->nd_next) {
|
|
node = node->nd_next;
|
|
}
|
|
node = node->nd_head;
|
|
}
|
|
|
|
if (nd_type(node) == NODE_HASH && !node->nd_brace) return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static VALUE
|
|
setup_args_core(rb_iseq_t *iseq, LINK_ANCHOR *const args, const NODE *argn,
|
|
int dup_rest, unsigned int *flag, struct rb_call_info_kw_arg **keywords)
|
|
{
|
|
if (argn) {
|
|
switch (nd_type(argn)) {
|
|
case NODE_SPLAT: {
|
|
COMPILE(args, "args (splat)", argn->nd_head);
|
|
ADD_INSN1(args, nd_line(argn), splatarray, dup_rest ? Qtrue : Qfalse);
|
|
if (flag) *flag |= VM_CALL_ARGS_SPLAT;
|
|
return INT2FIX(1);
|
|
}
|
|
case NODE_ARGSCAT:
|
|
case NODE_ARGSPUSH: {
|
|
int next_is_array = (nd_type(argn->nd_head) == NODE_ARRAY);
|
|
VALUE argc = setup_args_core(iseq, args, argn->nd_head, 1, NULL, NULL);
|
|
COMPILE(args, "args (cat: splat)", argn->nd_body);
|
|
if (flag) {
|
|
*flag |= VM_CALL_ARGS_SPLAT;
|
|
/* This is a dirty hack. It traverses the AST twice.
|
|
* In a long term, it should be fixed by a redesign of keyword arguments */
|
|
if (check_keyword(argn->nd_body))
|
|
*flag |= VM_CALL_KW_SPLAT;
|
|
}
|
|
if (nd_type(argn) == NODE_ARGSCAT) {
|
|
if (next_is_array) {
|
|
ADD_INSN1(args, nd_line(argn), splatarray, Qtrue);
|
|
return INT2FIX(FIX2INT(argc) + 1);
|
|
}
|
|
else {
|
|
ADD_INSN1(args, nd_line(argn), splatarray, Qfalse);
|
|
ADD_INSN(args, nd_line(argn), concatarray);
|
|
return argc;
|
|
}
|
|
}
|
|
else {
|
|
ADD_INSN1(args, nd_line(argn), newarray, INT2FIX(1));
|
|
ADD_INSN(args, nd_line(argn), concatarray);
|
|
return argc;
|
|
}
|
|
}
|
|
case NODE_ARRAY: {
|
|
int len = compile_args(iseq, args, argn, keywords, flag);
|
|
return INT2FIX(len);
|
|
}
|
|
default: {
|
|
UNKNOWN_NODE("setup_arg", argn, Qnil);
|
|
}
|
|
}
|
|
}
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
static VALUE
|
|
setup_args(rb_iseq_t *iseq, LINK_ANCHOR *const args, const NODE *argn,
|
|
unsigned int *flag, struct rb_call_info_kw_arg **keywords)
|
|
{
|
|
VALUE ret;
|
|
if (argn && nd_type(argn) == NODE_BLOCK_PASS) {
|
|
DECL_ANCHOR(arg_block);
|
|
INIT_ANCHOR(arg_block);
|
|
COMPILE(arg_block, "block", argn->nd_body);
|
|
|
|
*flag |= VM_CALL_ARGS_BLOCKARG;
|
|
ret = setup_args_core(iseq, args, argn->nd_head, 0, flag, keywords);
|
|
|
|
if (LIST_INSN_SIZE_ONE(arg_block)) {
|
|
LINK_ELEMENT *elem = FIRST_ELEMENT(arg_block);
|
|
if (elem->type == ISEQ_ELEMENT_INSN) {
|
|
INSN *iobj = (INSN *)elem;
|
|
if (iobj->insn_id == BIN(getblockparam)) {
|
|
iobj->insn_id = BIN(getblockparamproxy);
|
|
}
|
|
}
|
|
}
|
|
ADD_SEQ(args, arg_block);
|
|
}
|
|
else {
|
|
ret = setup_args_core(iseq, args, argn, 0, flag, keywords);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static VALUE
|
|
build_postexe_iseq(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *body)
|
|
{
|
|
int line = nd_line(body);
|
|
VALUE argc = INT2FIX(0);
|
|
const rb_iseq_t *block = NEW_CHILD_ISEQ(body, make_name_for_block(iseq->body->parent_iseq), ISEQ_TYPE_BLOCK, line);
|
|
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_CALL_WITH_BLOCK(ret, line, id_core_set_postexe, argc, block);
|
|
iseq_set_local_table(iseq, 0);
|
|
return Qnil;
|
|
}
|
|
|
|
static void
|
|
compile_named_capture_assign(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node)
|
|
{
|
|
const NODE *vars;
|
|
LINK_ELEMENT *last;
|
|
int line = nd_line(node);
|
|
LABEL *fail_label = NEW_LABEL(line), *end_label = NEW_LABEL(line);
|
|
|
|
#if !(defined(NAMED_CAPTURE_BY_SVAR) && NAMED_CAPTURE_BY_SVAR-0)
|
|
ADD_INSN1(ret, line, getglobal, ((VALUE)rb_global_entry(idBACKREF) | 1));
|
|
#else
|
|
ADD_INSN2(ret, line, getspecial, INT2FIX(1) /* '~' */, INT2FIX(0));
|
|
#endif
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSNL(ret, line, branchunless, fail_label);
|
|
|
|
for (vars = node; vars; vars = vars->nd_next) {
|
|
INSN *cap;
|
|
if (vars->nd_next) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
last = ret->last;
|
|
COMPILE_POPPED(ret, "capture", vars->nd_head);
|
|
last = last->next; /* putobject :var */
|
|
cap = new_insn_send(iseq, line, idAREF, INT2FIX(1),
|
|
NULL, INT2FIX(0), NULL);
|
|
ELEM_INSERT_PREV(last->next, (LINK_ELEMENT *)cap);
|
|
#if !defined(NAMED_CAPTURE_SINGLE_OPT) || NAMED_CAPTURE_SINGLE_OPT-0
|
|
if (!vars->nd_next && vars == node) {
|
|
/* only one name */
|
|
DECL_ANCHOR(nom);
|
|
|
|
INIT_ANCHOR(nom);
|
|
ADD_INSNL(nom, line, jump, end_label);
|
|
ADD_LABEL(nom, fail_label);
|
|
# if 0 /* $~ must be MatchData or nil */
|
|
ADD_INSN(nom, line, pop);
|
|
ADD_INSN(nom, line, putnil);
|
|
# endif
|
|
ADD_LABEL(nom, end_label);
|
|
(nom->last->next = cap->link.next)->prev = nom->last;
|
|
(cap->link.next = nom->anchor.next)->prev = &cap->link;
|
|
return;
|
|
}
|
|
#endif
|
|
}
|
|
ADD_INSNL(ret, line, jump, end_label);
|
|
ADD_LABEL(ret, fail_label);
|
|
ADD_INSN(ret, line, pop);
|
|
for (vars = node; vars; vars = vars->nd_next) {
|
|
last = ret->last;
|
|
COMPILE_POPPED(ret, "capture", vars->nd_head);
|
|
last = last->next; /* putobject :var */
|
|
((INSN*)last)->insn_id = BIN(putnil);
|
|
((INSN*)last)->operand_size = 0;
|
|
}
|
|
ADD_LABEL(ret, end_label);
|
|
}
|
|
|
|
static int
|
|
number_literal_p(const NODE *n)
|
|
{
|
|
return (n && nd_type(n) == NODE_LIT && RB_INTEGER_TYPE_P(n->nd_lit));
|
|
}
|
|
|
|
static int
|
|
compile_if(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped, const enum node_type type)
|
|
{
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
const NODE *const node_body = type == NODE_IF ? node->nd_body : node->nd_else;
|
|
const NODE *const node_else = type == NODE_IF ? node->nd_else : node->nd_body;
|
|
|
|
const int line = nd_line(node);
|
|
const int lineno = nd_first_lineno(node);
|
|
const int column = nd_first_column(node);
|
|
const int last_lineno = nd_last_lineno(node);
|
|
const int last_column = nd_last_column(node);
|
|
DECL_ANCHOR(cond_seq);
|
|
DECL_ANCHOR(then_seq);
|
|
DECL_ANCHOR(else_seq);
|
|
LABEL *then_label, *else_label, *end_label;
|
|
VALUE branches = Qfalse;
|
|
int ci_size, ci_kw_size;
|
|
|
|
INIT_ANCHOR(cond_seq);
|
|
INIT_ANCHOR(then_seq);
|
|
INIT_ANCHOR(else_seq);
|
|
then_label = NEW_LABEL(line);
|
|
else_label = NEW_LABEL(line);
|
|
end_label = 0;
|
|
|
|
compile_branch_condition(iseq, cond_seq, node->nd_cond,
|
|
then_label, else_label);
|
|
|
|
ci_size = body->ci_size;
|
|
ci_kw_size = body->ci_kw_size;
|
|
CHECK(COMPILE_(then_seq, "then", node_body, popped));
|
|
if (!then_label->refcnt) {
|
|
body->ci_size = ci_size;
|
|
body->ci_kw_size = ci_kw_size;
|
|
}
|
|
|
|
ci_size = body->ci_size;
|
|
ci_kw_size = body->ci_kw_size;
|
|
CHECK(COMPILE_(else_seq, "else", node_else, popped));
|
|
if (!else_label->refcnt) {
|
|
body->ci_size = ci_size;
|
|
body->ci_kw_size = ci_kw_size;
|
|
}
|
|
|
|
ADD_SEQ(ret, cond_seq);
|
|
|
|
if (then_label->refcnt && else_label->refcnt) {
|
|
DECL_BRANCH_BASE(branches, lineno, column, last_lineno, last_column, type == NODE_IF ? "if" : "unless");
|
|
}
|
|
|
|
if (then_label->refcnt) {
|
|
ADD_LABEL(ret, then_label);
|
|
if (else_label->refcnt) {
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
ret,
|
|
node_body ? nd_first_lineno(node_body) : lineno,
|
|
node_body ? nd_first_column(node_body) : column,
|
|
node_body ? nd_last_lineno(node_body) : last_lineno,
|
|
node_body ? nd_last_column(node_body) : last_column,
|
|
type == NODE_IF ? "then" : "else",
|
|
branches);
|
|
end_label = NEW_LABEL(line);
|
|
ADD_INSNL(then_seq, line, jump, end_label);
|
|
}
|
|
ADD_SEQ(ret, then_seq);
|
|
}
|
|
|
|
if (else_label->refcnt) {
|
|
ADD_LABEL(ret, else_label);
|
|
if (then_label->refcnt) {
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
ret,
|
|
node_else ? nd_first_lineno(node_else) : lineno,
|
|
node_else ? nd_first_column(node_else) : column,
|
|
node_else ? nd_last_lineno(node_else) : last_lineno,
|
|
node_else ? nd_last_column(node_else) : last_column,
|
|
type == NODE_IF ? "else" : "then",
|
|
branches);
|
|
}
|
|
ADD_SEQ(ret, else_seq);
|
|
}
|
|
|
|
if (end_label) {
|
|
ADD_LABEL(ret, end_label);
|
|
}
|
|
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_case(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_node, int popped)
|
|
{
|
|
const NODE *vals;
|
|
const NODE *node = orig_node;
|
|
LABEL *endlabel, *elselabel;
|
|
DECL_ANCHOR(head);
|
|
DECL_ANCHOR(body_seq);
|
|
DECL_ANCHOR(cond_seq);
|
|
int only_special_literals = 1;
|
|
VALUE literals = rb_hash_new();
|
|
int line, lineno, column, last_lineno, last_column;
|
|
enum node_type type;
|
|
VALUE branches = Qfalse;
|
|
|
|
INIT_ANCHOR(head);
|
|
INIT_ANCHOR(body_seq);
|
|
INIT_ANCHOR(cond_seq);
|
|
|
|
RHASH_TBL_RAW(literals)->type = &cdhash_type;
|
|
|
|
CHECK(COMPILE(head, "case base", node->nd_head));
|
|
|
|
DECL_BRANCH_BASE(branches, nd_first_lineno(node), nd_first_column(node), nd_last_lineno(node), nd_last_column(node), "case");
|
|
|
|
node = node->nd_body;
|
|
EXPECT_NODE("NODE_CASE", node, NODE_WHEN, COMPILE_NG);
|
|
type = nd_type(node);
|
|
line = nd_line(node);
|
|
lineno = nd_first_lineno(node);
|
|
column = nd_first_column(node);
|
|
last_lineno = nd_last_lineno(node);
|
|
last_column = nd_last_column(node);
|
|
|
|
endlabel = NEW_LABEL(line);
|
|
elselabel = NEW_LABEL(line);
|
|
|
|
ADD_SEQ(ret, head); /* case VAL */
|
|
|
|
while (type == NODE_WHEN) {
|
|
LABEL *l1;
|
|
|
|
l1 = NEW_LABEL(line);
|
|
ADD_LABEL(body_seq, l1);
|
|
ADD_INSN(body_seq, line, pop);
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
body_seq,
|
|
node->nd_body ? nd_first_lineno(node->nd_body) : lineno,
|
|
node->nd_body ? nd_first_column(node->nd_body) : column,
|
|
node->nd_body ? nd_last_lineno(node->nd_body) : last_lineno,
|
|
node->nd_body ? nd_last_column(node->nd_body) : last_column,
|
|
"when",
|
|
branches);
|
|
CHECK(COMPILE_(body_seq, "when body", node->nd_body, popped));
|
|
ADD_INSNL(body_seq, line, jump, endlabel);
|
|
|
|
vals = node->nd_head;
|
|
if (vals) {
|
|
switch (nd_type(vals)) {
|
|
case NODE_ARRAY:
|
|
only_special_literals = when_vals(iseq, cond_seq, vals, l1, only_special_literals, literals);
|
|
if (only_special_literals < 0) return COMPILE_NG;
|
|
break;
|
|
case NODE_SPLAT:
|
|
case NODE_ARGSCAT:
|
|
case NODE_ARGSPUSH:
|
|
only_special_literals = 0;
|
|
CHECK(when_splat_vals(iseq, cond_seq, vals, l1, only_special_literals, literals));
|
|
break;
|
|
default:
|
|
UNKNOWN_NODE("NODE_CASE", vals, COMPILE_NG);
|
|
}
|
|
}
|
|
else {
|
|
EXPECT_NODE_NONULL("NODE_CASE", node, NODE_ARRAY, COMPILE_NG);
|
|
}
|
|
|
|
node = node->nd_next;
|
|
if (!node) {
|
|
break;
|
|
}
|
|
type = nd_type(node);
|
|
line = nd_line(node);
|
|
lineno = nd_first_lineno(node);
|
|
column = nd_first_column(node);
|
|
last_lineno = nd_last_lineno(node);
|
|
last_column = nd_last_column(node);
|
|
}
|
|
/* else */
|
|
if (node) {
|
|
ADD_LABEL(cond_seq, elselabel);
|
|
ADD_INSN(cond_seq, line, pop);
|
|
ADD_TRACE_BRANCH_COVERAGE(cond_seq, nd_first_lineno(node), nd_first_column(node), nd_last_lineno(node), nd_last_column(node), "else", branches);
|
|
CHECK(COMPILE_(cond_seq, "else", node, popped));
|
|
ADD_INSNL(cond_seq, line, jump, endlabel);
|
|
}
|
|
else {
|
|
debugs("== else (implicit)\n");
|
|
ADD_LABEL(cond_seq, elselabel);
|
|
ADD_INSN(cond_seq, nd_line(orig_node), pop);
|
|
ADD_TRACE_BRANCH_COVERAGE(cond_seq, nd_first_lineno(orig_node), nd_first_column(orig_node), nd_last_lineno(orig_node), nd_last_column(orig_node), "else", branches);
|
|
if (!popped) {
|
|
ADD_INSN(cond_seq, nd_line(orig_node), putnil);
|
|
}
|
|
ADD_INSNL(cond_seq, nd_line(orig_node), jump, endlabel);
|
|
}
|
|
|
|
if (only_special_literals && ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction) {
|
|
iseq_add_mark_object_compile_time(iseq, literals);
|
|
|
|
ADD_INSN(ret, nd_line(orig_node), dup);
|
|
ADD_INSN2(ret, nd_line(orig_node), opt_case_dispatch, literals, elselabel);
|
|
LABEL_REF(elselabel);
|
|
}
|
|
|
|
ADD_SEQ(ret, cond_seq);
|
|
ADD_SEQ(ret, body_seq);
|
|
ADD_LABEL(ret, endlabel);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_case2(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_node, int popped)
|
|
{
|
|
const NODE *vals;
|
|
const NODE *val;
|
|
const NODE *node = orig_node->nd_body;
|
|
LABEL *endlabel;
|
|
DECL_ANCHOR(body_seq);
|
|
VALUE branches = Qfalse;
|
|
|
|
DECL_BRANCH_BASE(branches, nd_first_lineno(orig_node), nd_first_column(orig_node), nd_last_lineno(orig_node), nd_last_column(orig_node), "case");
|
|
|
|
INIT_ANCHOR(body_seq);
|
|
endlabel = NEW_LABEL(nd_line(node));
|
|
|
|
while (node && nd_type(node) == NODE_WHEN) {
|
|
const int line = nd_line(node);
|
|
const int lineno = nd_first_lineno(node);
|
|
const int column = nd_first_column(node);
|
|
const int last_lineno = nd_last_lineno(node);
|
|
const int last_column = nd_last_column(node);
|
|
LABEL *l1 = NEW_LABEL(line);
|
|
ADD_LABEL(body_seq, l1);
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
body_seq,
|
|
node->nd_body ? nd_first_lineno(node->nd_body) : lineno,
|
|
node->nd_body ? nd_first_column(node->nd_body) : column,
|
|
node->nd_body ? nd_last_lineno(node->nd_body) : last_lineno,
|
|
node->nd_body ? nd_last_column(node->nd_body) : last_column,
|
|
"when",
|
|
branches);
|
|
CHECK(COMPILE_(body_seq, "when", node->nd_body, popped));
|
|
ADD_INSNL(body_seq, line, jump, endlabel);
|
|
|
|
vals = node->nd_head;
|
|
if (!vals) {
|
|
COMPILE_ERROR(ERROR_ARGS "NODE_WHEN: must be NODE_ARRAY, but 0");
|
|
return COMPILE_NG;
|
|
}
|
|
switch (nd_type(vals)) {
|
|
case NODE_ARRAY:
|
|
while (vals) {
|
|
LABEL *lnext;
|
|
val = vals->nd_head;
|
|
lnext = NEW_LABEL(nd_line(val));
|
|
debug_compile("== when2\n", (void)0);
|
|
CHECK(compile_branch_condition(iseq, ret, val, l1, lnext));
|
|
ADD_LABEL(ret, lnext);
|
|
vals = vals->nd_next;
|
|
}
|
|
break;
|
|
case NODE_SPLAT:
|
|
case NODE_ARGSCAT:
|
|
case NODE_ARGSPUSH:
|
|
ADD_INSN(ret, nd_line(vals), putnil);
|
|
CHECK(COMPILE(ret, "when2/cond splat", vals));
|
|
ADD_INSN1(ret, nd_line(vals), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_WHEN | VM_CHECKMATCH_ARRAY));
|
|
ADD_INSNL(ret, nd_line(vals), branchif, l1);
|
|
break;
|
|
default:
|
|
UNKNOWN_NODE("NODE_WHEN", vals, COMPILE_NG);
|
|
}
|
|
node = node->nd_next;
|
|
}
|
|
/* else */
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
ret,
|
|
node ? nd_first_lineno(node) : nd_first_lineno(orig_node),
|
|
node ? nd_first_column(node) : nd_first_column(orig_node),
|
|
node ? nd_last_lineno(node) : nd_last_lineno(orig_node),
|
|
node ? nd_last_column(node) : nd_last_column(orig_node),
|
|
"else",
|
|
branches);
|
|
CHECK(COMPILE_(ret, "else", node, popped));
|
|
ADD_INSNL(ret, nd_line(orig_node), jump, endlabel);
|
|
|
|
ADD_SEQ(ret, body_seq);
|
|
ADD_LABEL(ret, endlabel);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
iseq_compile_pattern_each(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int in_alt_pattern)
|
|
{
|
|
const int line = nd_line(node);
|
|
|
|
switch (nd_type(node)) {
|
|
case NODE_ARYPTN: {
|
|
/*
|
|
* if pattern.use_rest_num?
|
|
* rest_num = 0
|
|
* end
|
|
* if pattern.has_constant_node?
|
|
* unless pattern.constant === obj
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* unless obj.respond_to?(:deconstruct)
|
|
* goto match_failed
|
|
* end
|
|
* d = obj.deconstruct
|
|
* unless Array === d
|
|
* goto type_error
|
|
* end
|
|
* min_argc = pattern.pre_args_num + pattern.post_args_num
|
|
* if pattern.has_rest_arg?
|
|
* unless d.length >= min_argc
|
|
* goto match_failed
|
|
* end
|
|
* else
|
|
* unless d.length == min_argc
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* pattern.pre_args_num.each do |i|
|
|
* unless pattern.pre_args[i].match?(d[i])
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* if pattern.use_rest_num?
|
|
* rest_num = d.length - min_argc
|
|
* if pattern.has_rest_arg? && pattern.has_rest_arg_id # not `*`, but `*rest`
|
|
* unless pattern.rest_arg.match?(d[pattern.pre_args_num, rest_num])
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* end
|
|
* pattern.post_args_num.each do |i|
|
|
* j = pattern.pre_args_num + i
|
|
* j += rest_num
|
|
* unless pattern.post_args[i].match?(d[j])
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* true
|
|
* goto fin
|
|
* type_error:
|
|
* FrozenCore.raise TypeError
|
|
* match_failed:
|
|
* false
|
|
* fin:
|
|
*/
|
|
struct rb_ary_pattern_info *apinfo = node->nd_apinfo;
|
|
const NODE *args = apinfo->pre_args;
|
|
const int pre_args_num = apinfo->pre_args ? rb_long2int(apinfo->pre_args->nd_alen) : 0;
|
|
const int post_args_num = apinfo->post_args ? rb_long2int(apinfo->post_args->nd_alen) : 0;
|
|
|
|
const int min_argc = pre_args_num + post_args_num;
|
|
const int use_rest_num = apinfo->rest_arg && (NODE_NAMED_REST_P(apinfo->rest_arg) ||
|
|
(!NODE_NAMED_REST_P(apinfo->rest_arg) && post_args_num > 0));
|
|
|
|
LABEL *match_failed, *type_error, *fin;
|
|
int i;
|
|
match_failed = NEW_LABEL(line);
|
|
type_error = NEW_LABEL(line);
|
|
fin = NEW_LABEL(line);
|
|
|
|
if (use_rest_num) {
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(0)); /* allocate stack for rest_num */
|
|
ADD_INSN(ret, line, swap);
|
|
}
|
|
|
|
if (node->nd_pconst) {
|
|
ADD_INSN(ret, line, dup);
|
|
CHECK(COMPILE(ret, "constant", node->nd_pconst));
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(rb_intern("deconstruct")));
|
|
ADD_SEND(ret, line, idRespond_to, INT2FIX(1));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
|
|
ADD_SEND(ret, line, rb_intern("deconstruct"), INT2FIX(0));
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, rb_cArray);
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(ret, line, branchunless, type_error);
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_SEND(ret, line, idLength, INT2FIX(0));
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(min_argc));
|
|
ADD_SEND(ret, line, apinfo->rest_arg ? idGE : idEq, INT2FIX(1));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
|
|
for (i = 0; i < pre_args_num; i++) {
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(i));
|
|
ADD_SEND(ret, line, idAREF, INT2FIX(1));
|
|
iseq_compile_pattern_each(iseq, ret, args->nd_head, in_alt_pattern);
|
|
args = args->nd_next;
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
if (apinfo->rest_arg) {
|
|
if (NODE_NAMED_REST_P(apinfo->rest_arg)) {
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(pre_args_num));
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1));
|
|
ADD_SEND(ret, line, idLength, INT2FIX(0));
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(min_argc));
|
|
ADD_SEND(ret, line, idMINUS, INT2FIX(1));
|
|
ADD_INSN1(ret, line, setn, INT2FIX(4));
|
|
ADD_SEND(ret, line, idAREF, INT2FIX(2));
|
|
|
|
iseq_compile_pattern_each(iseq, ret, apinfo->rest_arg, in_alt_pattern);
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
else {
|
|
if (post_args_num > 0) {
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_SEND(ret, line, idLength, INT2FIX(0));
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(min_argc));
|
|
ADD_SEND(ret, line, idMINUS, INT2FIX(1));
|
|
ADD_INSN1(ret, line, setn, INT2FIX(2));
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
}
|
|
|
|
args = apinfo->post_args;
|
|
for (i = 0; i < post_args_num; i++) {
|
|
ADD_INSN(ret, line, dup);
|
|
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(pre_args_num + i));
|
|
ADD_INSN1(ret, line, topn, INT2FIX(3));
|
|
ADD_SEND(ret, line, idPLUS, INT2FIX(1));
|
|
|
|
ADD_SEND(ret, line, idAREF, INT2FIX(1));
|
|
iseq_compile_pattern_each(iseq, ret, args->nd_head, in_alt_pattern);
|
|
args = args->nd_next;
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
ADD_INSN(ret, line, pop);
|
|
if (use_rest_num) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
ADD_INSNL(ret, line, jump, fin);
|
|
|
|
ADD_LABEL(ret, type_error);
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(ret, line, putobject, rb_eTypeError);
|
|
ADD_INSN1(ret, line, putobject, rb_fstring_lit("deconstruct must return Array"));
|
|
ADD_SEND(ret, line, id_core_raise, INT2FIX(2));
|
|
|
|
ADD_LABEL(ret, match_failed);
|
|
ADD_INSN(ret, line, pop);
|
|
if (use_rest_num) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
ADD_LABEL(ret, fin);
|
|
|
|
break;
|
|
}
|
|
case NODE_HSHPTN: {
|
|
/*
|
|
* keys = nil
|
|
* if pattern.has_kw_args_node? && !pattern.has_kw_rest_arg_node?
|
|
* keys = pattern.kw_args_node.keys
|
|
* end
|
|
* if pattern.has_constant_node?
|
|
* unless pattern.constant === obj
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* unless obj.respond_to?(:deconstruct_keys)
|
|
* goto match_failed
|
|
* end
|
|
* d = obj.deconstruct_keys(keys)
|
|
* unless Hash === d
|
|
* goto type_error
|
|
* end
|
|
* if pattern.has_kw_rest_arg_node?
|
|
* d = d.dup
|
|
* end
|
|
* if pattern.has_kw_args_node?
|
|
* pattern.kw_args_node.each |k,|
|
|
* unless d.key?(k)
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* pattern.kw_args_node.each |k, pat|
|
|
* if pattern.has_kw_rest_arg_node?
|
|
* unless pat.match?(d.delete(k))
|
|
* goto match_failed
|
|
* end
|
|
* else
|
|
* unless pat.match?(d[k])
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* end
|
|
* else
|
|
* unless d.empty?
|
|
* goto match_failed
|
|
* end
|
|
* end
|
|
* if pattern.has_kw_rest_arg_node?
|
|
* pattern.kw_rest_arg_node.match?(d)
|
|
* end
|
|
* true
|
|
* goto fin
|
|
* type_error:
|
|
* FrozenCore.raise TypeError
|
|
* match_failed:
|
|
* false
|
|
* fin:
|
|
*/
|
|
LABEL *match_failed, *type_error, *fin;
|
|
VALUE keys = Qnil;
|
|
|
|
match_failed = NEW_LABEL(line);
|
|
type_error = NEW_LABEL(line);
|
|
fin = NEW_LABEL(line);
|
|
|
|
if (node->nd_pkwargs && !node->nd_pkwrestarg) {
|
|
const NODE *kw_args = node->nd_pkwargs->nd_head;
|
|
keys = rb_ary_new_capa(kw_args ? kw_args->nd_alen/2 : 0);
|
|
iseq_add_mark_object_compile_time(iseq, rb_obj_hide(keys));
|
|
while (kw_args) {
|
|
rb_ary_push(keys, kw_args->nd_head->nd_lit);
|
|
kw_args = kw_args->nd_next->nd_next;
|
|
}
|
|
}
|
|
|
|
if (node->nd_pconst) {
|
|
ADD_INSN(ret, line, dup);
|
|
CHECK(COMPILE(ret, "constant", node->nd_pconst));
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(rb_intern("deconstruct_keys")));
|
|
ADD_SEND(ret, line, idRespond_to, INT2FIX(1));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
|
|
if (NIL_P(keys)) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
else {
|
|
ADD_INSN1(ret, line, duparray, keys);
|
|
}
|
|
ADD_SEND(ret, line, rb_intern("deconstruct_keys"), INT2FIX(1));
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, rb_cHash);
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
ADD_INSNL(ret, line, branchunless, type_error);
|
|
|
|
if (node->nd_pkwrestarg) {
|
|
ADD_SEND(ret, line, rb_intern("dup"), INT2FIX(0));
|
|
}
|
|
|
|
if (node->nd_pkwargs) {
|
|
int i;
|
|
int keys_num;
|
|
const NODE *args;
|
|
args = node->nd_pkwargs->nd_head;
|
|
if (args) {
|
|
DECL_ANCHOR(match_values);
|
|
INIT_ANCHOR(match_values);
|
|
keys_num = rb_long2int(args->nd_alen) / 2;
|
|
for (i = 0; i < keys_num; i++) {
|
|
NODE *key_node = args->nd_head;
|
|
NODE *value_node = args->nd_next->nd_head;
|
|
VALUE key;
|
|
|
|
if (nd_type(key_node) != NODE_LIT) {
|
|
UNKNOWN_NODE("NODE_IN", key_node, COMPILE_NG);
|
|
}
|
|
key = key_node->nd_lit;
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, key);
|
|
ADD_SEND(ret, line, rb_intern("key?"), INT2FIX(1));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
|
|
ADD_INSN(match_values, line, dup);
|
|
ADD_INSN1(match_values, line, putobject, key);
|
|
ADD_SEND(match_values, line, node->nd_pkwrestarg ? rb_intern("delete") : idAREF, INT2FIX(1));
|
|
iseq_compile_pattern_each(iseq, match_values, value_node, in_alt_pattern);
|
|
ADD_INSNL(match_values, line, branchunless, match_failed);
|
|
args = args->nd_next->nd_next;
|
|
}
|
|
ADD_SEQ(ret, match_values);
|
|
}
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_SEND(ret, line, idEmptyP, INT2FIX(0));
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
if (node->nd_pkwrestarg) {
|
|
ADD_INSN(ret, line, dup);
|
|
iseq_compile_pattern_each(iseq, ret, node->nd_pkwrestarg, in_alt_pattern);
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
ADD_INSNL(ret, line, jump, fin);
|
|
|
|
ADD_LABEL(ret, type_error);
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(ret, line, putobject, rb_eTypeError);
|
|
ADD_INSN1(ret, line, putobject, rb_fstring_lit("deconstruct_keys must return Hash"));
|
|
ADD_SEND(ret, line, id_core_raise, INT2FIX(2));
|
|
|
|
ADD_LABEL(ret, match_failed);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
|
|
ADD_LABEL(ret, fin);
|
|
break;
|
|
}
|
|
case NODE_LIT:
|
|
case NODE_STR:
|
|
case NODE_XSTR:
|
|
case NODE_DSTR:
|
|
case NODE_DSYM:
|
|
case NODE_DREGX:
|
|
case NODE_ARRAY:
|
|
case NODE_ZARRAY:
|
|
case NODE_LAMBDA:
|
|
case NODE_DOT2:
|
|
case NODE_DOT3:
|
|
case NODE_CONST:
|
|
case NODE_LVAR:
|
|
case NODE_DVAR:
|
|
case NODE_TRUE:
|
|
case NODE_FALSE:
|
|
case NODE_SELF:
|
|
case NODE_NIL:
|
|
case NODE_COLON2:
|
|
case NODE_COLON3:
|
|
CHECK(COMPILE(ret, "case in literal", node));
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
|
|
break;
|
|
case NODE_LASGN: {
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
ID id = node->nd_vid;
|
|
int idx = body->local_iseq->body->local_table_size - get_local_var_idx(iseq, id);
|
|
|
|
if (in_alt_pattern) {
|
|
const char *name = rb_id2name(id);
|
|
if (name && strlen(name) > 0 && name[0] != '_') {
|
|
COMPILE_ERROR(ERROR_ARGS "illegal variable in alternative pattern (%"PRIsVALUE")",
|
|
rb_id2str(id));
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
|
|
ADD_SETLOCAL(ret, line, idx, get_lvar_level(iseq));
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
break;
|
|
}
|
|
case NODE_DASGN:
|
|
case NODE_DASGN_CURR: {
|
|
int idx, lv, ls;
|
|
ID id = node->nd_vid;
|
|
|
|
idx = get_dyna_var_idx(iseq, id, &lv, &ls);
|
|
|
|
if (in_alt_pattern) {
|
|
const char *name = rb_id2name(id);
|
|
if (name && strlen(name) > 0 && name[0] != '_') {
|
|
COMPILE_ERROR(ERROR_ARGS "illegal variable in alternative pattern (%"PRIsVALUE")",
|
|
rb_id2str(id));
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
|
|
if (idx < 0) {
|
|
COMPILE_ERROR(ERROR_ARGS "NODE_DASGN(_CURR): unknown id (%"PRIsVALUE")",
|
|
rb_id2str(id));
|
|
return COMPILE_NG;
|
|
}
|
|
ADD_SETLOCAL(ret, line, ls - idx, lv);
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
break;
|
|
}
|
|
case NODE_IF:
|
|
case NODE_UNLESS: {
|
|
LABEL *match_failed, *fin;
|
|
match_failed = NEW_LABEL(line);
|
|
fin = NEW_LABEL(line);
|
|
iseq_compile_pattern_each(iseq, ret, node->nd_body, in_alt_pattern);
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
CHECK(COMPILE(ret, "case in if", node->nd_cond));
|
|
if (nd_type(node) == NODE_IF) {
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
}
|
|
else {
|
|
ADD_INSNL(ret, line, branchif, match_failed);
|
|
}
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
ADD_INSNL(ret, line, jump, fin);
|
|
|
|
ADD_LABEL(ret, match_failed);
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
|
|
ADD_LABEL(ret, fin);
|
|
break;
|
|
}
|
|
case NODE_HASH: {
|
|
NODE *n;
|
|
LABEL *match_failed, *fin;
|
|
match_failed = NEW_LABEL(line);
|
|
fin = NEW_LABEL(line);
|
|
|
|
n = node->nd_head;
|
|
if (! (nd_type(n) == NODE_ARRAY && n->nd_alen == 2)) {
|
|
COMPILE_ERROR(ERROR_ARGS "unexpected node");
|
|
return COMPILE_NG;
|
|
}
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
iseq_compile_pattern_each(iseq, ret, n->nd_head, in_alt_pattern);
|
|
ADD_INSNL(ret, line, branchunless, match_failed);
|
|
iseq_compile_pattern_each(iseq, ret, n->nd_next->nd_head, in_alt_pattern);
|
|
ADD_INSNL(ret, line, jump, fin);
|
|
|
|
ADD_LABEL(ret, match_failed);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
|
|
ADD_LABEL(ret, fin);
|
|
break;
|
|
}
|
|
case NODE_OR: {
|
|
LABEL *match_succeeded, *fin;
|
|
match_succeeded = NEW_LABEL(line);
|
|
fin = NEW_LABEL(line);
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
iseq_compile_pattern_each(iseq, ret, node->nd_1st, TRUE);
|
|
ADD_INSNL(ret, line, branchif, match_succeeded);
|
|
iseq_compile_pattern_each(iseq, ret, node->nd_2nd, TRUE);
|
|
ADD_INSNL(ret, line, jump, fin);
|
|
|
|
ADD_LABEL(ret, match_succeeded);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
|
|
ADD_LABEL(ret, fin);
|
|
break;
|
|
}
|
|
default:
|
|
UNKNOWN_NODE("NODE_IN", node, COMPILE_NG);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_case3(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const orig_node, int popped)
|
|
{
|
|
const NODE *pattern;
|
|
const NODE *node = orig_node;
|
|
LABEL *endlabel, *elselabel;
|
|
DECL_ANCHOR(head);
|
|
DECL_ANCHOR(body_seq);
|
|
DECL_ANCHOR(cond_seq);
|
|
int line, lineno, column, last_lineno, last_column;
|
|
enum node_type type;
|
|
VALUE branches = 0;
|
|
|
|
INIT_ANCHOR(head);
|
|
INIT_ANCHOR(body_seq);
|
|
INIT_ANCHOR(cond_seq);
|
|
|
|
CHECK(COMPILE(head, "case base", node->nd_head));
|
|
|
|
DECL_BRANCH_BASE(branches, nd_first_lineno(node), nd_first_column(node), nd_last_lineno(node), nd_last_column(node), "case");
|
|
|
|
node = node->nd_body;
|
|
EXPECT_NODE("NODE_CASE3", node, NODE_IN, COMPILE_NG);
|
|
type = nd_type(node);
|
|
line = nd_line(node);
|
|
lineno = nd_first_lineno(node);
|
|
column = nd_first_column(node);
|
|
last_lineno = nd_last_lineno(node);
|
|
last_column = nd_last_column(node);
|
|
|
|
endlabel = NEW_LABEL(line);
|
|
elselabel = NEW_LABEL(line);
|
|
|
|
ADD_SEQ(ret, head); /* case VAL */
|
|
|
|
while (type == NODE_IN) {
|
|
LABEL *l1;
|
|
|
|
l1 = NEW_LABEL(line);
|
|
ADD_LABEL(body_seq, l1);
|
|
ADD_INSN(body_seq, line, pop);
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
body_seq,
|
|
node->nd_body ? nd_first_lineno(node->nd_body) : lineno,
|
|
node->nd_body ? nd_first_column(node->nd_body) : column,
|
|
node->nd_body ? nd_last_lineno(node->nd_body) : last_lineno,
|
|
node->nd_body ? nd_last_column(node->nd_body) : last_column,
|
|
"in",
|
|
branches);
|
|
CHECK(COMPILE_(body_seq, "in body", node->nd_body, popped));
|
|
ADD_INSNL(body_seq, line, jump, endlabel);
|
|
|
|
pattern = node->nd_head;
|
|
if (pattern) {
|
|
ADD_INSN (cond_seq, nd_line(pattern), dup);
|
|
iseq_compile_pattern_each(iseq, cond_seq, pattern, FALSE);
|
|
ADD_INSNL(cond_seq, nd_line(pattern), branchif, l1);
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "unexpected node");
|
|
return COMPILE_NG;
|
|
}
|
|
|
|
node = node->nd_next;
|
|
if (!node) {
|
|
break;
|
|
}
|
|
type = nd_type(node);
|
|
line = nd_line(node);
|
|
lineno = nd_first_lineno(node);
|
|
column = nd_first_column(node);
|
|
last_lineno = nd_last_lineno(node);
|
|
last_column = nd_last_column(node);
|
|
}
|
|
/* else */
|
|
if (node) {
|
|
ADD_LABEL(cond_seq, elselabel);
|
|
ADD_INSN(cond_seq, line, pop);
|
|
ADD_TRACE_BRANCH_COVERAGE(cond_seq, nd_first_lineno(node), nd_first_column(node), nd_last_lineno(node), nd_last_column(node), "else", branches);
|
|
CHECK(COMPILE_(cond_seq, "else", node, popped));
|
|
ADD_INSNL(cond_seq, line, jump, endlabel);
|
|
}
|
|
else {
|
|
debugs("== else (implicit)\n");
|
|
ADD_LABEL(cond_seq, elselabel);
|
|
ADD_TRACE_BRANCH_COVERAGE(cond_seq, nd_first_lineno(orig_node), nd_first_column(orig_node), nd_last_lineno(orig_node), nd_last_column(orig_node), "else", branches);
|
|
ADD_INSN1(cond_seq, nd_line(orig_node), putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(cond_seq, nd_line(orig_node), putobject, rb_eNoMatchingPatternError);
|
|
ADD_INSN1(cond_seq, nd_line(orig_node), topn, INT2FIX(2));
|
|
ADD_SEND(cond_seq, nd_line(orig_node), id_core_raise, INT2FIX(2));
|
|
ADD_INSN(cond_seq, nd_line(orig_node), pop);
|
|
ADD_INSN(cond_seq, nd_line(orig_node), pop);
|
|
if (!popped) {
|
|
ADD_INSN(cond_seq, nd_line(orig_node), putnil);
|
|
}
|
|
ADD_INSNL(cond_seq, nd_line(orig_node), jump, endlabel);
|
|
}
|
|
|
|
ADD_SEQ(ret, cond_seq);
|
|
ADD_SEQ(ret, body_seq);
|
|
ADD_LABEL(ret, endlabel);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_loop(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped, const enum node_type type)
|
|
{
|
|
const int line = (int)nd_line(node);
|
|
const int lineno = nd_first_lineno(node);
|
|
const int column = nd_first_column(node);
|
|
const int last_lineno = nd_last_lineno(node);
|
|
const int last_column = nd_last_column(node);
|
|
LABEL *prev_start_label = ISEQ_COMPILE_DATA(iseq)->start_label;
|
|
LABEL *prev_end_label = ISEQ_COMPILE_DATA(iseq)->end_label;
|
|
LABEL *prev_redo_label = ISEQ_COMPILE_DATA(iseq)->redo_label;
|
|
int prev_loopval_popped = ISEQ_COMPILE_DATA(iseq)->loopval_popped;
|
|
VALUE branches = Qfalse;
|
|
|
|
struct iseq_compile_data_ensure_node_stack enl;
|
|
|
|
LABEL *next_label = ISEQ_COMPILE_DATA(iseq)->start_label = NEW_LABEL(line); /* next */
|
|
LABEL *redo_label = ISEQ_COMPILE_DATA(iseq)->redo_label = NEW_LABEL(line); /* redo */
|
|
LABEL *break_label = ISEQ_COMPILE_DATA(iseq)->end_label = NEW_LABEL(line); /* break */
|
|
LABEL *end_label = NEW_LABEL(line);
|
|
LABEL *adjust_label = NEW_LABEL(line);
|
|
|
|
LABEL *next_catch_label = NEW_LABEL(line);
|
|
LABEL *tmp_label = NULL;
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->loopval_popped = 0;
|
|
push_ensure_entry(iseq, &enl, NULL, NULL);
|
|
|
|
if (node->nd_state == 1) {
|
|
ADD_INSNL(ret, line, jump, next_label);
|
|
}
|
|
else {
|
|
tmp_label = NEW_LABEL(line);
|
|
ADD_INSNL(ret, line, jump, tmp_label);
|
|
}
|
|
ADD_LABEL(ret, adjust_label);
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_LABEL(ret, next_catch_label);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSNL(ret, line, jump, next_label);
|
|
if (tmp_label) ADD_LABEL(ret, tmp_label);
|
|
|
|
ADD_LABEL(ret, redo_label);
|
|
DECL_BRANCH_BASE(branches, lineno, column, last_lineno, last_column, type == NODE_WHILE ? "while" : "until");
|
|
ADD_TRACE_BRANCH_COVERAGE(
|
|
ret,
|
|
node->nd_body ? nd_first_lineno(node->nd_body) : lineno,
|
|
node->nd_body ? nd_first_column(node->nd_body) : column,
|
|
node->nd_body ? nd_last_lineno(node->nd_body) : last_lineno,
|
|
node->nd_body ? nd_last_column(node->nd_body) : last_column,
|
|
"body",
|
|
branches);
|
|
CHECK(COMPILE_POPPED(ret, "while body", node->nd_body));
|
|
ADD_LABEL(ret, next_label); /* next */
|
|
|
|
if (type == NODE_WHILE) {
|
|
compile_branch_condition(iseq, ret, node->nd_cond,
|
|
redo_label, end_label);
|
|
}
|
|
else {
|
|
/* until */
|
|
compile_branch_condition(iseq, ret, node->nd_cond,
|
|
end_label, redo_label);
|
|
}
|
|
|
|
ADD_LABEL(ret, end_label);
|
|
ADD_ADJUST_RESTORE(ret, adjust_label);
|
|
|
|
if (node->nd_state == Qundef) {
|
|
/* ADD_INSN(ret, line, putundef); */
|
|
COMPILE_ERROR(ERROR_ARGS "unsupported: putundef");
|
|
return COMPILE_NG;
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
|
|
ADD_LABEL(ret, break_label); /* break */
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_BREAK, redo_label, break_label, NULL,
|
|
break_label);
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_NEXT, redo_label, break_label, NULL,
|
|
next_catch_label);
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_REDO, redo_label, break_label, NULL,
|
|
ISEQ_COMPILE_DATA(iseq)->redo_label);
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->start_label = prev_start_label;
|
|
ISEQ_COMPILE_DATA(iseq)->end_label = prev_end_label;
|
|
ISEQ_COMPILE_DATA(iseq)->redo_label = prev_redo_label;
|
|
ISEQ_COMPILE_DATA(iseq)->loopval_popped = prev_loopval_popped;
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack = ISEQ_COMPILE_DATA(iseq)->ensure_node_stack->prev;
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_iter(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
const rb_iseq_t *prevblock = ISEQ_COMPILE_DATA(iseq)->current_block;
|
|
LABEL *retry_label = NEW_LABEL(line);
|
|
LABEL *retry_end_l = NEW_LABEL(line);
|
|
const rb_iseq_t *child_iseq;
|
|
|
|
ADD_LABEL(ret, retry_label);
|
|
if (nd_type(node) == NODE_FOR) {
|
|
CHECK(COMPILE(ret, "iter caller (for)", node->nd_iter));
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->current_block = child_iseq =
|
|
NEW_CHILD_ISEQ(node->nd_body, make_name_for_block(iseq),
|
|
ISEQ_TYPE_BLOCK, line);
|
|
ADD_SEND_WITH_BLOCK(ret, line, idEach, INT2FIX(0), child_iseq);
|
|
}
|
|
else {
|
|
ISEQ_COMPILE_DATA(iseq)->current_block = child_iseq =
|
|
NEW_CHILD_ISEQ(node->nd_body, make_name_for_block(iseq),
|
|
ISEQ_TYPE_BLOCK, line);
|
|
CHECK(COMPILE(ret, "iter caller", node->nd_iter));
|
|
}
|
|
ADD_LABEL(ret, retry_end_l);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->current_block = prevblock;
|
|
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_BREAK, retry_label, retry_end_l, child_iseq, retry_end_l);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_for_masgn(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
/* massign to var in "for"
|
|
* (args.length == 1 && Array.try_convert(args[0])) || args
|
|
*/
|
|
const int line = nd_line(node);
|
|
const NODE *var = node->nd_var;
|
|
LABEL *not_single = NEW_LABEL(nd_line(var));
|
|
LABEL *not_ary = NEW_LABEL(nd_line(var));
|
|
CHECK(COMPILE(ret, "for var", var));
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_CALL(ret, line, idLength, INT2FIX(0));
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(1));
|
|
ADD_CALL(ret, line, idEq, INT2FIX(1));
|
|
ADD_INSNL(ret, line, branchunless, not_single);
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(0));
|
|
ADD_CALL(ret, line, idAREF, INT2FIX(1));
|
|
ADD_INSN1(ret, line, putobject, rb_cArray);
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_CALL(ret, line, rb_intern("try_convert"), INT2FIX(1));
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSNL(ret, line, branchunless, not_ary);
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_LABEL(ret, not_ary);
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_LABEL(ret, not_single);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_break(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
unsigned long throw_flag = 0;
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->redo_label != 0) {
|
|
/* while/until */
|
|
LABEL *splabel = NEW_LABEL(0);
|
|
ADD_LABEL(ret, splabel);
|
|
ADD_ADJUST(ret, line, ISEQ_COMPILE_DATA(iseq)->redo_label);
|
|
CHECK(COMPILE_(ret, "break val (while/until)", node->nd_stts,
|
|
ISEQ_COMPILE_DATA(iseq)->loopval_popped));
|
|
add_ensure_iseq(ret, iseq, 0);
|
|
ADD_INSNL(ret, line, jump, ISEQ_COMPILE_DATA(iseq)->end_label);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else if (iseq->body->type == ISEQ_TYPE_BLOCK) {
|
|
break_by_insn:
|
|
/* escape from block */
|
|
CHECK(COMPILE(ret, "break val (block)", node->nd_stts));
|
|
ADD_INSN1(ret, line, throw, INT2FIX(throw_flag | TAG_BREAK));
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
else if (iseq->body->type == ISEQ_TYPE_EVAL) {
|
|
break_in_eval:
|
|
COMPILE_ERROR(ERROR_ARGS "Can't escape from eval with break");
|
|
return COMPILE_NG;
|
|
}
|
|
else {
|
|
const rb_iseq_t *ip = iseq->body->parent_iseq;
|
|
|
|
while (ip) {
|
|
if (!ISEQ_COMPILE_DATA(ip)) {
|
|
ip = 0;
|
|
break;
|
|
}
|
|
|
|
if (ISEQ_COMPILE_DATA(ip)->redo_label != 0) {
|
|
throw_flag = VM_THROW_NO_ESCAPE_FLAG;
|
|
goto break_by_insn;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_BLOCK) {
|
|
goto break_by_insn;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_EVAL) {
|
|
goto break_in_eval;
|
|
}
|
|
|
|
ip = ip->body->parent_iseq;
|
|
}
|
|
COMPILE_ERROR(ERROR_ARGS "Invalid break");
|
|
return COMPILE_NG;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_next(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
unsigned long throw_flag = 0;
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->redo_label != 0) {
|
|
LABEL *splabel = NEW_LABEL(0);
|
|
debugs("next in while loop\n");
|
|
ADD_LABEL(ret, splabel);
|
|
CHECK(COMPILE(ret, "next val/valid syntax?", node->nd_stts));
|
|
add_ensure_iseq(ret, iseq, 0);
|
|
ADD_ADJUST(ret, line, ISEQ_COMPILE_DATA(iseq)->redo_label);
|
|
ADD_INSNL(ret, line, jump, ISEQ_COMPILE_DATA(iseq)->start_label);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else if (ISEQ_COMPILE_DATA(iseq)->end_label) {
|
|
LABEL *splabel = NEW_LABEL(0);
|
|
debugs("next in block\n");
|
|
ADD_LABEL(ret, splabel);
|
|
ADD_ADJUST(ret, line, ISEQ_COMPILE_DATA(iseq)->start_label);
|
|
CHECK(COMPILE(ret, "next val", node->nd_stts));
|
|
add_ensure_iseq(ret, iseq, 0);
|
|
ADD_INSNL(ret, line, jump, ISEQ_COMPILE_DATA(iseq)->end_label);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
splabel->unremovable = FALSE;
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else if (iseq->body->type == ISEQ_TYPE_EVAL) {
|
|
next_in_eval:
|
|
COMPILE_ERROR(ERROR_ARGS "Can't escape from eval with next");
|
|
return COMPILE_NG;
|
|
}
|
|
else {
|
|
const rb_iseq_t *ip = iseq;
|
|
|
|
while (ip) {
|
|
if (!ISEQ_COMPILE_DATA(ip)) {
|
|
ip = 0;
|
|
break;
|
|
}
|
|
|
|
throw_flag = VM_THROW_NO_ESCAPE_FLAG;
|
|
if (ISEQ_COMPILE_DATA(ip)->redo_label != 0) {
|
|
/* while loop */
|
|
break;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_BLOCK) {
|
|
break;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_EVAL) {
|
|
goto next_in_eval;
|
|
}
|
|
|
|
ip = ip->body->parent_iseq;
|
|
}
|
|
if (ip != 0) {
|
|
CHECK(COMPILE(ret, "next val", node->nd_stts));
|
|
ADD_INSN1(ret, line, throw, INT2FIX(throw_flag | TAG_NEXT));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "Invalid next");
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_redo(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->redo_label) {
|
|
LABEL *splabel = NEW_LABEL(0);
|
|
debugs("redo in while");
|
|
ADD_LABEL(ret, splabel);
|
|
ADD_ADJUST(ret, line, ISEQ_COMPILE_DATA(iseq)->redo_label);
|
|
add_ensure_iseq(ret, iseq, 0);
|
|
ADD_INSNL(ret, line, jump, ISEQ_COMPILE_DATA(iseq)->redo_label);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else if (iseq->body->type == ISEQ_TYPE_EVAL) {
|
|
redo_in_eval:
|
|
COMPILE_ERROR(ERROR_ARGS "Can't escape from eval with redo");
|
|
return COMPILE_NG;
|
|
}
|
|
else if (ISEQ_COMPILE_DATA(iseq)->start_label) {
|
|
LABEL *splabel = NEW_LABEL(0);
|
|
|
|
debugs("redo in block");
|
|
ADD_LABEL(ret, splabel);
|
|
add_ensure_iseq(ret, iseq, 0);
|
|
ADD_ADJUST(ret, line, ISEQ_COMPILE_DATA(iseq)->start_label);
|
|
ADD_INSNL(ret, line, jump, ISEQ_COMPILE_DATA(iseq)->start_label);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else {
|
|
const rb_iseq_t *ip = iseq;
|
|
|
|
while (ip) {
|
|
if (!ISEQ_COMPILE_DATA(ip)) {
|
|
ip = 0;
|
|
break;
|
|
}
|
|
|
|
if (ISEQ_COMPILE_DATA(ip)->redo_label != 0) {
|
|
break;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_BLOCK) {
|
|
break;
|
|
}
|
|
else if (ip->body->type == ISEQ_TYPE_EVAL) {
|
|
goto redo_in_eval;
|
|
}
|
|
|
|
ip = ip->body->parent_iseq;
|
|
}
|
|
if (ip != 0) {
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN1(ret, line, throw, INT2FIX(VM_THROW_NO_ESCAPE_FLAG | TAG_REDO));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "Invalid redo");
|
|
return COMPILE_NG;
|
|
}
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_retry(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
|
|
if (iseq->body->type == ISEQ_TYPE_RESCUE) {
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN1(ret, line, throw, INT2FIX(TAG_RETRY));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "Invalid retry");
|
|
return COMPILE_NG;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_rescue(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
LABEL *lstart = NEW_LABEL(line);
|
|
LABEL *lend = NEW_LABEL(line);
|
|
LABEL *lcont = NEW_LABEL(line);
|
|
const rb_iseq_t *rescue = NEW_CHILD_ISEQ(node->nd_resq,
|
|
rb_str_concat(rb_str_new2("rescue in "), iseq->body->location.label),
|
|
ISEQ_TYPE_RESCUE, line);
|
|
|
|
lstart->rescued = LABEL_RESCUE_BEG;
|
|
lend->rescued = LABEL_RESCUE_END;
|
|
ADD_LABEL(ret, lstart);
|
|
CHECK(COMPILE(ret, "rescue head", node->nd_head));
|
|
ADD_LABEL(ret, lend);
|
|
if (node->nd_else) {
|
|
ADD_INSN(ret, line, pop);
|
|
CHECK(COMPILE(ret, "rescue else", node->nd_else));
|
|
}
|
|
ADD_INSN(ret, line, nop);
|
|
ADD_LABEL(ret, lcont);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
|
|
/* register catch entry */
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, rescue, lcont);
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_RETRY, lend, lcont, NULL, lstart);
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_resbody(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
const NODE *resq = node;
|
|
const NODE *narg;
|
|
LABEL *label_miss, *label_hit;
|
|
|
|
while (resq) {
|
|
label_miss = NEW_LABEL(line);
|
|
label_hit = NEW_LABEL(line);
|
|
|
|
narg = resq->nd_args;
|
|
if (narg) {
|
|
switch (nd_type(narg)) {
|
|
case NODE_ARRAY:
|
|
while (narg) {
|
|
ADD_GETLOCAL(ret, line, LVAR_ERRINFO, 0);
|
|
CHECK(COMPILE(ret, "rescue arg", narg->nd_head));
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE));
|
|
ADD_INSNL(ret, line, branchif, label_hit);
|
|
narg = narg->nd_next;
|
|
}
|
|
break;
|
|
case NODE_SPLAT:
|
|
case NODE_ARGSCAT:
|
|
case NODE_ARGSPUSH:
|
|
ADD_GETLOCAL(ret, line, LVAR_ERRINFO, 0);
|
|
CHECK(COMPILE(ret, "rescue/cond splat", narg));
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE | VM_CHECKMATCH_ARRAY));
|
|
ADD_INSNL(ret, line, branchif, label_hit);
|
|
break;
|
|
default:
|
|
UNKNOWN_NODE("NODE_RESBODY", narg, COMPILE_NG);
|
|
}
|
|
}
|
|
else {
|
|
ADD_GETLOCAL(ret, line, LVAR_ERRINFO, 0);
|
|
ADD_INSN1(ret, line, putobject, rb_eStandardError);
|
|
ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE));
|
|
ADD_INSNL(ret, line, branchif, label_hit);
|
|
}
|
|
ADD_INSNL(ret, line, jump, label_miss);
|
|
ADD_LABEL(ret, label_hit);
|
|
CHECK(COMPILE(ret, "resbody body", resq->nd_body));
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->tailcall_optimization) {
|
|
ADD_INSN(ret, line, nop);
|
|
}
|
|
ADD_INSN(ret, line, leave);
|
|
ADD_LABEL(ret, label_miss);
|
|
resq = resq->nd_head;
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_ensure(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
DECL_ANCHOR(ensr);
|
|
const rb_iseq_t *ensure = NEW_CHILD_ISEQ(node->nd_ensr,
|
|
rb_str_concat(rb_str_new2 ("ensure in "), iseq->body->location.label),
|
|
ISEQ_TYPE_ENSURE, line);
|
|
LABEL *lstart = NEW_LABEL(line);
|
|
LABEL *lend = NEW_LABEL(line);
|
|
LABEL *lcont = NEW_LABEL(line);
|
|
LINK_ELEMENT *last;
|
|
int last_leave = 0;
|
|
struct ensure_range er;
|
|
struct iseq_compile_data_ensure_node_stack enl;
|
|
struct ensure_range *erange;
|
|
|
|
INIT_ANCHOR(ensr);
|
|
CHECK(COMPILE_POPPED(ensr, "ensure ensr", node->nd_ensr));
|
|
last = ensr->last;
|
|
last_leave = last && IS_INSN(last) && IS_INSN_ID(last, leave);
|
|
|
|
er.begin = lstart;
|
|
er.end = lend;
|
|
er.next = 0;
|
|
push_ensure_entry(iseq, &enl, &er, node->nd_ensr);
|
|
|
|
ADD_LABEL(ret, lstart);
|
|
CHECK(COMPILE_(ret, "ensure head", node->nd_head, (popped | last_leave)));
|
|
ADD_LABEL(ret, lend);
|
|
ADD_SEQ(ret, ensr);
|
|
if (!popped && last_leave) ADD_INSN(ret, line, putnil);
|
|
ADD_LABEL(ret, lcont);
|
|
if (last_leave) ADD_INSN(ret, line, pop);
|
|
|
|
erange = ISEQ_COMPILE_DATA(iseq)->ensure_node_stack->erange;
|
|
if (lstart->link.next != &lend->link) {
|
|
while (erange) {
|
|
ADD_CATCH_ENTRY(CATCH_TYPE_ENSURE, erange->begin, erange->end,
|
|
ensure, lcont);
|
|
erange = erange->next;
|
|
}
|
|
}
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->ensure_node_stack = enl.prev;
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_return(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
const int line = nd_line(node);
|
|
|
|
if (iseq) {
|
|
enum iseq_type type = iseq->body->type;
|
|
const rb_iseq_t *is = iseq;
|
|
enum iseq_type t = type;
|
|
const NODE *retval = node->nd_stts;
|
|
LABEL *splabel = 0;
|
|
|
|
while (t == ISEQ_TYPE_RESCUE || t == ISEQ_TYPE_ENSURE) {
|
|
if (!(is = is->body->parent_iseq)) break;
|
|
t = is->body->type;
|
|
}
|
|
switch (t) {
|
|
case ISEQ_TYPE_TOP:
|
|
case ISEQ_TYPE_MAIN:
|
|
if (is == iseq) {
|
|
/* plain top-level, leave directly */
|
|
type = ISEQ_TYPE_METHOD;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (type == ISEQ_TYPE_METHOD) {
|
|
splabel = NEW_LABEL(0);
|
|
ADD_LABEL(ret, splabel);
|
|
ADD_ADJUST(ret, line, 0);
|
|
}
|
|
|
|
CHECK(COMPILE(ret, "return nd_stts (return val)", retval));
|
|
|
|
if (type == ISEQ_TYPE_METHOD) {
|
|
add_ensure_iseq(ret, iseq, 1);
|
|
ADD_TRACE(ret, RUBY_EVENT_RETURN);
|
|
ADD_INSN(ret, line, leave);
|
|
ADD_ADJUST_RESTORE(ret, splabel);
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
else {
|
|
ADD_INSN1(ret, line, throw, INT2FIX(TAG_RETURN));
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static int
|
|
compile_evstr(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int popped)
|
|
{
|
|
CHECK(COMPILE_(ret, "nd_body", node, popped));
|
|
|
|
if (!popped && !all_string_result_p(node)) {
|
|
const int line = nd_line(node);
|
|
const unsigned int flag = VM_CALL_FCALL;
|
|
LABEL *isstr = NEW_LABEL(line);
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, checktype, INT2FIX(T_STRING));
|
|
ADD_INSNL(ret, line, branchif, isstr);
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_SEND_R(ret, line, idTo_s, INT2FIX(0), NULL, INT2FIX(flag), NULL);
|
|
ADD_INSN(ret, line, tostring);
|
|
ADD_LABEL(ret, isstr);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static LABEL *
|
|
qcall_branch_start(rb_iseq_t *iseq, LINK_ANCHOR *const recv, VALUE *branches, const NODE *node, int line)
|
|
{
|
|
LABEL *else_label = NEW_LABEL(line);
|
|
const int first_lineno = nd_first_lineno(node), first_column = nd_first_column(node);
|
|
const int last_lineno = nd_last_lineno(node), last_column = nd_last_column(node);
|
|
VALUE br = 0;
|
|
|
|
DECL_BRANCH_BASE(br, first_lineno, first_column, last_lineno, last_column, "&.");
|
|
*branches = br;
|
|
ADD_INSN(recv, line, dup);
|
|
ADD_INSNL(recv, line, branchnil, else_label);
|
|
ADD_TRACE_BRANCH_COVERAGE(recv, first_lineno, first_column, last_lineno, last_column, "then", br);
|
|
return else_label;
|
|
}
|
|
|
|
static void
|
|
qcall_branch_end(rb_iseq_t *iseq, LINK_ANCHOR *const ret, LABEL *else_label, VALUE branches, const NODE *node, int line)
|
|
{
|
|
LABEL *end_label;
|
|
if (!else_label) return;
|
|
end_label = NEW_LABEL(line);
|
|
ADD_INSNL(ret, line, jump, end_label);
|
|
ADD_LABEL(ret, else_label);
|
|
ADD_TRACE_BRANCH_COVERAGE(ret, nd_first_lineno(node), nd_first_column(node), nd_last_lineno(node), nd_last_column(node),
|
|
"else", branches);
|
|
ADD_LABEL(ret, end_label);
|
|
}
|
|
|
|
static int
|
|
compile_call_precheck_freeze(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int line, int popped)
|
|
{
|
|
/* optimization shortcut
|
|
* "literal".freeze -> opt_str_freeze("literal")
|
|
*/
|
|
if (node->nd_recv && nd_type(node->nd_recv) == NODE_STR &&
|
|
(node->nd_mid == idFreeze || node->nd_mid == idUMinus) &&
|
|
node->nd_args == NULL &&
|
|
ISEQ_COMPILE_DATA(iseq)->current_block == NULL &&
|
|
ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction) {
|
|
VALUE str = freeze_literal(iseq, node->nd_recv->nd_lit);
|
|
if (node->nd_mid == idUMinus) {
|
|
ADD_INSN3(ret, line, opt_str_uminus, str,
|
|
new_callinfo(iseq, idUMinus, 0, 0, NULL, FALSE),
|
|
Qundef /* CALL_CACHE */);
|
|
}
|
|
else {
|
|
ADD_INSN3(ret, line, opt_str_freeze, str,
|
|
new_callinfo(iseq, idFreeze, 0, 0, NULL, FALSE),
|
|
Qundef /* CALL_CACHE */);
|
|
}
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
return TRUE;
|
|
}
|
|
/* optimization shortcut
|
|
* obj["literal"] -> opt_aref_with(obj, "literal")
|
|
*/
|
|
if (node->nd_mid == idAREF && !private_recv_p(node) && node->nd_args &&
|
|
nd_type(node->nd_args) == NODE_ARRAY && node->nd_args->nd_alen == 1 &&
|
|
nd_type(node->nd_args->nd_head) == NODE_STR &&
|
|
ISEQ_COMPILE_DATA(iseq)->current_block == NULL &&
|
|
!ISEQ_COMPILE_DATA(iseq)->option->frozen_string_literal &&
|
|
ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction) {
|
|
VALUE str = freeze_literal(iseq, node->nd_args->nd_head->nd_lit);
|
|
CHECK(COMPILE(ret, "recv", node->nd_recv));
|
|
ADD_INSN3(ret, line, opt_aref_with, str,
|
|
new_callinfo(iseq, idAREF, 1, 0, NULL, FALSE),
|
|
NULL/* CALL_CACHE */);
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static int
|
|
compile_call(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, int type, int line, int popped)
|
|
{
|
|
/* call: obj.method(...)
|
|
* fcall: func(...)
|
|
* vcall: func
|
|
*/
|
|
DECL_ANCHOR(recv);
|
|
DECL_ANCHOR(args);
|
|
ID mid = node->nd_mid;
|
|
VALUE argc;
|
|
unsigned int flag = 0;
|
|
struct rb_call_info_kw_arg *keywords = NULL;
|
|
const rb_iseq_t *parent_block = ISEQ_COMPILE_DATA(iseq)->current_block;
|
|
LABEL *else_label = NULL;
|
|
VALUE branches = Qfalse;
|
|
|
|
ISEQ_COMPILE_DATA(iseq)->current_block = NULL;
|
|
|
|
INIT_ANCHOR(recv);
|
|
INIT_ANCHOR(args);
|
|
#if SUPPORT_JOKE
|
|
if (nd_type(node) == NODE_VCALL) {
|
|
ID id_bitblt;
|
|
ID id_answer;
|
|
|
|
CONST_ID(id_bitblt, "bitblt");
|
|
CONST_ID(id_answer, "the_answer_to_life_the_universe_and_everything");
|
|
|
|
if (mid == id_bitblt) {
|
|
ADD_INSN(ret, line, bitblt);
|
|
return COMPILE_OK;
|
|
}
|
|
else if (mid == id_answer) {
|
|
ADD_INSN(ret, line, answer);
|
|
return COMPILE_OK;
|
|
}
|
|
}
|
|
/* only joke */
|
|
{
|
|
ID goto_id;
|
|
ID label_id;
|
|
|
|
CONST_ID(goto_id, "__goto__");
|
|
CONST_ID(label_id, "__label__");
|
|
|
|
if (nd_type(node) == NODE_FCALL &&
|
|
(mid == goto_id || mid == label_id)) {
|
|
LABEL *label;
|
|
st_data_t data;
|
|
st_table *labels_table = ISEQ_COMPILE_DATA(iseq)->labels_table;
|
|
VALUE label_name;
|
|
|
|
if (!labels_table) {
|
|
labels_table = st_init_numtable();
|
|
ISEQ_COMPILE_DATA(iseq)->labels_table = labels_table;
|
|
}
|
|
if (nd_type(node->nd_args->nd_head) == NODE_LIT &&
|
|
SYMBOL_P(node->nd_args->nd_head->nd_lit)) {
|
|
|
|
label_name = node->nd_args->nd_head->nd_lit;
|
|
if (!st_lookup(labels_table, (st_data_t)label_name, &data)) {
|
|
label = NEW_LABEL(line);
|
|
label->position = line;
|
|
st_insert(labels_table, (st_data_t)label_name, (st_data_t)label);
|
|
}
|
|
else {
|
|
label = (LABEL *)data;
|
|
}
|
|
}
|
|
else {
|
|
COMPILE_ERROR(ERROR_ARGS "invalid goto/label format");
|
|
goto ng;
|
|
}
|
|
|
|
|
|
if (mid == goto_id) {
|
|
ADD_INSNL(ret, line, jump, label);
|
|
}
|
|
else {
|
|
ADD_LABEL(ret, label);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
}
|
|
#endif
|
|
/* receiver */
|
|
if (type == NODE_CALL || type == NODE_OPCALL || type == NODE_QCALL) {
|
|
int idx, level;
|
|
|
|
if (mid == idCall &&
|
|
nd_type(node->nd_recv) == NODE_LVAR &&
|
|
iseq_block_param_id_p(iseq, node->nd_recv->nd_vid, &idx, &level)) {
|
|
ADD_INSN2(recv, nd_line(node->nd_recv), getblockparamproxy, INT2FIX(idx + VM_ENV_DATA_SIZE - 1), INT2FIX(level));
|
|
}
|
|
else {
|
|
CHECK(COMPILE(recv, "recv", node->nd_recv));
|
|
}
|
|
|
|
if (type == NODE_QCALL) {
|
|
else_label = qcall_branch_start(iseq, recv, &branches, node, line);
|
|
}
|
|
}
|
|
else if (type == NODE_FCALL || type == NODE_VCALL) {
|
|
ADD_CALL_RECEIVER(recv, line);
|
|
}
|
|
|
|
/* args */
|
|
if (type != NODE_VCALL) {
|
|
argc = setup_args(iseq, args, node->nd_args, &flag, &keywords);
|
|
CHECK(!NIL_P(argc));
|
|
}
|
|
else {
|
|
argc = INT2FIX(0);
|
|
}
|
|
|
|
ADD_SEQ(ret, recv);
|
|
ADD_SEQ(ret, args);
|
|
|
|
debugp_param("call args argc", argc);
|
|
debugp_param("call method", ID2SYM(mid));
|
|
|
|
switch ((int)type) {
|
|
case NODE_VCALL:
|
|
flag |= VM_CALL_VCALL;
|
|
/* VCALL is funcall, so fall through */
|
|
case NODE_FCALL:
|
|
flag |= VM_CALL_FCALL;
|
|
}
|
|
|
|
ADD_SEND_R(ret, line, mid, argc, parent_block, INT2FIX(flag), keywords);
|
|
|
|
qcall_branch_end(iseq, ret, else_label, branches, node, line);
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
|
|
static int iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *node, int popped);
|
|
/**
|
|
compile each node
|
|
|
|
self: InstructionSequence
|
|
node: Ruby compiled node
|
|
popped: This node will be popped
|
|
*/
|
|
static int
|
|
iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, const NODE *node, int popped)
|
|
{
|
|
if (node == 0) {
|
|
if (!popped) {
|
|
int lineno = ISEQ_COMPILE_DATA(iseq)->last_line;
|
|
if (lineno == 0) lineno = FIX2INT(rb_iseq_first_lineno(iseq));
|
|
debugs("node: NODE_NIL(implicit)\n");
|
|
ADD_INSN(ret, lineno, putnil);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
return iseq_compile_each0(iseq, ret, node, popped);
|
|
}
|
|
|
|
static int
|
|
check_yield_place(const rb_iseq_t *iseq, int line)
|
|
{
|
|
VALUE file;
|
|
switch (iseq->body->local_iseq->body->type) {
|
|
case ISEQ_TYPE_TOP:
|
|
case ISEQ_TYPE_MAIN:
|
|
return FALSE;
|
|
case ISEQ_TYPE_CLASS:
|
|
file = rb_iseq_path(iseq);
|
|
rb_compile_warn(RSTRING_PTR(file), line,
|
|
"`yield' in class syntax will not be supported from Ruby 3.0. [Feature #15575]");
|
|
return TRUE;
|
|
default:
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *node, int popped)
|
|
{
|
|
const int line = (int)nd_line(node);
|
|
const enum node_type type = nd_type(node);
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->last_line == line) {
|
|
/* ignore */
|
|
}
|
|
else {
|
|
if (node->flags & NODE_FL_NEWLINE) {
|
|
int event = RUBY_EVENT_LINE;
|
|
ISEQ_COMPILE_DATA(iseq)->last_line = line;
|
|
if (ISEQ_COVERAGE(iseq) && ISEQ_LINE_COVERAGE(iseq)) {
|
|
event |= RUBY_EVENT_COVERAGE_LINE;
|
|
}
|
|
ADD_TRACE(ret, event);
|
|
}
|
|
}
|
|
|
|
debug_node_start(node);
|
|
#undef BEFORE_RETURN
|
|
#define BEFORE_RETURN debug_node_end()
|
|
|
|
switch (type) {
|
|
case NODE_BLOCK:{
|
|
while (node && nd_type(node) == NODE_BLOCK) {
|
|
CHECK(COMPILE_(ret, "BLOCK body", node->nd_head,
|
|
(node->nd_next ? 1 : popped)));
|
|
node = node->nd_next;
|
|
}
|
|
if (node) {
|
|
CHECK(COMPILE_(ret, "BLOCK next", node->nd_next, popped));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_IF:
|
|
case NODE_UNLESS:
|
|
CHECK(compile_if(iseq, ret, node, popped, type));
|
|
break;
|
|
case NODE_CASE:
|
|
CHECK(compile_case(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_CASE2:
|
|
CHECK(compile_case2(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_CASE3:
|
|
CHECK(compile_case3(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_WHILE:
|
|
case NODE_UNTIL:
|
|
CHECK(compile_loop(iseq, ret, node, popped, type));
|
|
break;
|
|
case NODE_FOR:
|
|
case NODE_ITER:
|
|
CHECK(compile_iter(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_FOR_MASGN:
|
|
CHECK(compile_for_masgn(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_BREAK:
|
|
CHECK(compile_break(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_NEXT:
|
|
CHECK(compile_next(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_REDO:
|
|
CHECK(compile_redo(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_RETRY:
|
|
CHECK(compile_retry(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_BEGIN:{
|
|
CHECK(COMPILE_(ret, "NODE_BEGIN", node->nd_body, popped));
|
|
break;
|
|
}
|
|
case NODE_RESCUE:
|
|
CHECK(compile_rescue(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_RESBODY:
|
|
CHECK(compile_resbody(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_ENSURE:
|
|
CHECK(compile_ensure(iseq, ret, node, popped));
|
|
break;
|
|
|
|
case NODE_AND:
|
|
case NODE_OR:{
|
|
LABEL *end_label = NEW_LABEL(line);
|
|
CHECK(COMPILE(ret, "nd_1st", node->nd_1st));
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
if (type == NODE_AND) {
|
|
ADD_INSNL(ret, line, branchunless, end_label);
|
|
}
|
|
else {
|
|
ADD_INSNL(ret, line, branchif, end_label);
|
|
}
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
CHECK(COMPILE_(ret, "nd_2nd", node->nd_2nd, popped));
|
|
ADD_LABEL(ret, end_label);
|
|
break;
|
|
}
|
|
|
|
case NODE_MASGN:{
|
|
compile_massign(iseq, ret, node, popped);
|
|
break;
|
|
}
|
|
|
|
case NODE_LASGN:{
|
|
ID id = node->nd_vid;
|
|
int idx = body->local_iseq->body->local_table_size - get_local_var_idx(iseq, id);
|
|
|
|
debugs("lvar: %s idx: %d\n", rb_id2name(id), idx);
|
|
CHECK(COMPILE(ret, "rvalue", node->nd_value));
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
ADD_SETLOCAL(ret, line, idx, get_lvar_level(iseq));
|
|
break;
|
|
}
|
|
case NODE_DASGN:
|
|
case NODE_DASGN_CURR:{
|
|
int idx, lv, ls;
|
|
ID id = node->nd_vid;
|
|
CHECK(COMPILE(ret, "dvalue", node->nd_value));
|
|
debugi("dassn id", rb_id2str(id) ? id : '*');
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
|
|
idx = get_dyna_var_idx(iseq, id, &lv, &ls);
|
|
|
|
if (idx < 0) {
|
|
COMPILE_ERROR(ERROR_ARGS "NODE_DASGN(_CURR): unknown id (%"PRIsVALUE")",
|
|
rb_id2str(id));
|
|
goto ng;
|
|
}
|
|
ADD_SETLOCAL(ret, line, ls - idx, lv);
|
|
break;
|
|
}
|
|
case NODE_GASGN:{
|
|
CHECK(COMPILE(ret, "lvalue", node->nd_value));
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
ADD_INSN1(ret, line, setglobal,
|
|
((VALUE)node->nd_entry | 1));
|
|
break;
|
|
}
|
|
case NODE_IASGN:{
|
|
CHECK(COMPILE(ret, "lvalue", node->nd_value));
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
ADD_INSN2(ret, line, setinstancevariable,
|
|
ID2SYM(node->nd_vid),
|
|
get_ivar_ic_value(iseq,node->nd_vid));
|
|
break;
|
|
}
|
|
case NODE_CDECL:{
|
|
CHECK(COMPILE(ret, "lvalue", node->nd_value));
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
|
|
if (node->nd_vid) {
|
|
ADD_INSN1(ret, line, putspecialobject,
|
|
INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
|
|
ADD_INSN1(ret, line, setconstant, ID2SYM(node->nd_vid));
|
|
}
|
|
else {
|
|
compile_cpath(ret, iseq, node->nd_else);
|
|
ADD_INSN1(ret, line, setconstant, ID2SYM(node->nd_else->nd_mid));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_CVASGN:{
|
|
CHECK(COMPILE(ret, "cvasgn val", node->nd_value));
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, dup);
|
|
}
|
|
ADD_INSN1(ret, line, setclassvariable,
|
|
ID2SYM(node->nd_vid));
|
|
break;
|
|
}
|
|
case NODE_OP_ASGN1: {
|
|
DECL_ANCHOR(args);
|
|
VALUE argc;
|
|
unsigned int flag = 0;
|
|
unsigned int asgnflag = 0;
|
|
ID id = node->nd_mid;
|
|
int boff = 0;
|
|
|
|
/*
|
|
* a[x] (op)= y
|
|
*
|
|
* nil # nil
|
|
* eval a # nil a
|
|
* eval x # nil a x
|
|
* dupn 2 # nil a x a x
|
|
* send :[] # nil a x a[x]
|
|
* eval y # nil a x a[x] y
|
|
* send op # nil a x ret
|
|
* setn 3 # ret a x ret
|
|
* send []= # ret ?
|
|
* pop # ret
|
|
*/
|
|
|
|
/*
|
|
* nd_recv[nd_args->nd_body] (nd_mid)= nd_args->nd_head;
|
|
* NODE_OP_ASGN nd_recv
|
|
* nd_args->nd_head
|
|
* nd_args->nd_body
|
|
* nd_mid
|
|
*/
|
|
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
asgnflag = COMPILE_RECV(ret, "NODE_OP_ASGN1 recv", node);
|
|
switch (nd_type(node->nd_args->nd_head)) {
|
|
case NODE_ZARRAY:
|
|
argc = INT2FIX(0);
|
|
break;
|
|
case NODE_BLOCK_PASS:
|
|
boff = 1;
|
|
default:
|
|
INIT_ANCHOR(args);
|
|
argc = setup_args(iseq, args, node->nd_args->nd_head, &flag, NULL);
|
|
CHECK(!NIL_P(argc));
|
|
ADD_SEQ(ret, args);
|
|
}
|
|
ADD_INSN1(ret, line, dupn, FIXNUM_INC(argc, 1 + boff));
|
|
ADD_SEND_WITH_FLAG(ret, line, idAREF, argc, INT2FIX(flag));
|
|
flag |= asgnflag;
|
|
|
|
if (id == idOROP || id == idANDOP) {
|
|
/* a[x] ||= y or a[x] &&= y
|
|
|
|
unless/if a[x]
|
|
a[x]= y
|
|
else
|
|
nil
|
|
end
|
|
*/
|
|
LABEL *label = NEW_LABEL(line);
|
|
LABEL *lfin = NEW_LABEL(line);
|
|
|
|
ADD_INSN(ret, line, dup);
|
|
if (id == idOROP) {
|
|
ADD_INSNL(ret, line, branchif, label);
|
|
}
|
|
else { /* idANDOP */
|
|
ADD_INSNL(ret, line, branchunless, label);
|
|
}
|
|
ADD_INSN(ret, line, pop);
|
|
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN1 args->body: ", node->nd_args->nd_body));
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 2+boff));
|
|
}
|
|
if (flag & VM_CALL_ARGS_SPLAT) {
|
|
ADD_INSN1(ret, line, newarray, INT2FIX(1));
|
|
if (boff > 0) {
|
|
ADD_INSN1(ret, line, dupn, INT2FIX(3));
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_INSN(ret, line, concatarray);
|
|
if (boff > 0) {
|
|
ADD_INSN1(ret, line, setn, INT2FIX(3));
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_SEND_WITH_FLAG(ret, line, idASET, argc, INT2FIX(flag));
|
|
}
|
|
else {
|
|
if (boff > 0)
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_SEND_WITH_FLAG(ret, line, idASET, FIXNUM_INC(argc, 1), INT2FIX(flag));
|
|
}
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSNL(ret, line, jump, lfin);
|
|
ADD_LABEL(ret, label);
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 2+boff));
|
|
}
|
|
ADD_INSN1(ret, line, adjuststack, FIXNUM_INC(argc, 2+boff));
|
|
ADD_LABEL(ret, lfin);
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN1 args->body: ", node->nd_args->nd_body));
|
|
ADD_SEND(ret, line, id, INT2FIX(1));
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 2+boff));
|
|
}
|
|
if (flag & VM_CALL_ARGS_SPLAT) {
|
|
ADD_INSN1(ret, line, newarray, INT2FIX(1));
|
|
if (boff > 0) {
|
|
ADD_INSN1(ret, line, dupn, INT2FIX(3));
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_INSN(ret, line, concatarray);
|
|
if (boff > 0) {
|
|
ADD_INSN1(ret, line, setn, INT2FIX(3));
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
ADD_SEND_WITH_FLAG(ret, line, idASET, argc, INT2FIX(flag));
|
|
}
|
|
else {
|
|
if (boff > 0)
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_SEND_WITH_FLAG(ret, line, idASET, FIXNUM_INC(argc, 1), INT2FIX(flag));
|
|
}
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case NODE_OP_ASGN2:{
|
|
ID atype = node->nd_next->nd_mid;
|
|
ID vid = node->nd_next->nd_vid, aid = rb_id_attrset(vid);
|
|
VALUE asgnflag;
|
|
LABEL *lfin = NEW_LABEL(line);
|
|
LABEL *lcfin = NEW_LABEL(line);
|
|
LABEL *lskip = 0;
|
|
/*
|
|
class C; attr_accessor :c; end
|
|
r = C.new
|
|
r.a &&= v # asgn2
|
|
|
|
eval r # r
|
|
dup # r r
|
|
eval r.a # r o
|
|
|
|
# or
|
|
dup # r o o
|
|
if lcfin # r o
|
|
pop # r
|
|
eval v # r v
|
|
swap # v r
|
|
topn 1 # v r v
|
|
send a= # v ?
|
|
jump lfin # v ?
|
|
|
|
lcfin: # r o
|
|
swap # o r
|
|
|
|
lfin: # o ?
|
|
pop # o
|
|
|
|
# and
|
|
dup # r o o
|
|
unless lcfin
|
|
pop # r
|
|
eval v # r v
|
|
swap # v r
|
|
topn 1 # v r v
|
|
send a= # v ?
|
|
jump lfin # v ?
|
|
|
|
# others
|
|
eval v # r o v
|
|
send ?? # r w
|
|
send a= # w
|
|
|
|
*/
|
|
|
|
asgnflag = COMPILE_RECV(ret, "NODE_OP_ASGN2#recv", node);
|
|
if (node->nd_next->nd_aid) {
|
|
lskip = NEW_LABEL(line);
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSNL(ret, line, branchnil, lskip);
|
|
}
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_SEND(ret, line, vid, INT2FIX(0));
|
|
|
|
if (atype == idOROP || atype == idANDOP) {
|
|
ADD_INSN(ret, line, dup);
|
|
if (atype == idOROP) {
|
|
ADD_INSNL(ret, line, branchif, lcfin);
|
|
}
|
|
else { /* idANDOP */
|
|
ADD_INSNL(ret, line, branchunless, lcfin);
|
|
}
|
|
ADD_INSN(ret, line, pop);
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN2 val", node->nd_value));
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1));
|
|
ADD_SEND_WITH_FLAG(ret, line, aid, INT2FIX(1), INT2FIX(asgnflag));
|
|
ADD_INSNL(ret, line, jump, lfin);
|
|
|
|
ADD_LABEL(ret, lcfin);
|
|
ADD_INSN(ret, line, swap);
|
|
|
|
ADD_LABEL(ret, lfin);
|
|
ADD_INSN(ret, line, pop);
|
|
if (lskip) {
|
|
ADD_LABEL(ret, lskip);
|
|
}
|
|
if (popped) {
|
|
/* we can apply more optimize */
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN2 val", node->nd_value));
|
|
ADD_SEND(ret, line, atype, INT2FIX(1));
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1));
|
|
}
|
|
ADD_SEND_WITH_FLAG(ret, line, aid, INT2FIX(1), INT2FIX(asgnflag));
|
|
if (lskip && popped) {
|
|
ADD_LABEL(ret, lskip);
|
|
}
|
|
ADD_INSN(ret, line, pop);
|
|
if (lskip && !popped) {
|
|
ADD_LABEL(ret, lskip);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case NODE_OP_CDECL: {
|
|
LABEL *lfin = 0;
|
|
LABEL *lassign = 0;
|
|
ID mid;
|
|
|
|
switch (nd_type(node->nd_head)) {
|
|
case NODE_COLON3:
|
|
ADD_INSN1(ret, line, putobject, rb_cObject);
|
|
break;
|
|
case NODE_COLON2:
|
|
CHECK(COMPILE(ret, "NODE_OP_CDECL/colon2#nd_head", node->nd_head->nd_head));
|
|
break;
|
|
default:
|
|
COMPILE_ERROR(ERROR_ARGS "%s: invalid node in NODE_OP_CDECL",
|
|
ruby_node_name(nd_type(node->nd_head)));
|
|
goto ng;
|
|
}
|
|
mid = node->nd_head->nd_mid;
|
|
/* cref */
|
|
if (node->nd_aid == idOROP) {
|
|
lassign = NEW_LABEL(line);
|
|
ADD_INSN(ret, line, dup); /* cref cref */
|
|
ADD_INSN3(ret, line, defined, INT2FIX(DEFINED_CONST),
|
|
ID2SYM(mid), Qfalse); /* cref bool */
|
|
ADD_INSNL(ret, line, branchunless, lassign); /* cref */
|
|
}
|
|
ADD_INSN(ret, line, dup); /* cref cref */
|
|
ADD_INSN1(ret, line, getconstant, ID2SYM(mid)); /* cref obj */
|
|
|
|
if (node->nd_aid == idOROP || node->nd_aid == idANDOP) {
|
|
lfin = NEW_LABEL(line);
|
|
if (!popped) ADD_INSN(ret, line, dup); /* cref [obj] obj */
|
|
if (node->nd_aid == idOROP)
|
|
ADD_INSNL(ret, line, branchif, lfin);
|
|
else /* idANDOP */
|
|
ADD_INSNL(ret, line, branchunless, lfin);
|
|
/* cref [obj] */
|
|
if (!popped) ADD_INSN(ret, line, pop); /* cref */
|
|
if (lassign) ADD_LABEL(ret, lassign);
|
|
CHECK(COMPILE(ret, "NODE_OP_CDECL#nd_value", node->nd_value));
|
|
/* cref value */
|
|
if (popped)
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1)); /* cref value cref */
|
|
else {
|
|
ADD_INSN1(ret, line, dupn, INT2FIX(2)); /* cref value cref value */
|
|
ADD_INSN(ret, line, swap); /* cref value value cref */
|
|
}
|
|
ADD_INSN1(ret, line, setconstant, ID2SYM(mid)); /* cref [value] */
|
|
ADD_LABEL(ret, lfin); /* cref [value] */
|
|
if (!popped) ADD_INSN(ret, line, swap); /* [value] cref */
|
|
ADD_INSN(ret, line, pop); /* [value] */
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "NODE_OP_CDECL#nd_value", node->nd_value));
|
|
/* cref obj value */
|
|
ADD_CALL(ret, line, node->nd_aid, INT2FIX(1));
|
|
/* cref value */
|
|
ADD_INSN(ret, line, swap); /* value cref */
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1)); /* value cref value */
|
|
ADD_INSN(ret, line, swap); /* value value cref */
|
|
}
|
|
ADD_INSN1(ret, line, setconstant, ID2SYM(mid));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_OP_ASGN_AND:
|
|
case NODE_OP_ASGN_OR:{
|
|
LABEL *lfin = NEW_LABEL(line);
|
|
LABEL *lassign;
|
|
|
|
if (nd_type(node) == NODE_OP_ASGN_OR) {
|
|
LABEL *lfinish[2];
|
|
lfinish[0] = lfin;
|
|
lfinish[1] = 0;
|
|
defined_expr(iseq, ret, node->nd_head, lfinish, Qfalse);
|
|
lassign = lfinish[1];
|
|
if (!lassign) {
|
|
lassign = NEW_LABEL(line);
|
|
}
|
|
ADD_INSNL(ret, line, branchunless, lassign);
|
|
}
|
|
else {
|
|
lassign = NEW_LABEL(line);
|
|
}
|
|
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN_AND/OR#nd_head", node->nd_head));
|
|
ADD_INSN(ret, line, dup);
|
|
|
|
if (nd_type(node) == NODE_OP_ASGN_AND) {
|
|
ADD_INSNL(ret, line, branchunless, lfin);
|
|
}
|
|
else {
|
|
ADD_INSNL(ret, line, branchif, lfin);
|
|
}
|
|
|
|
ADD_INSN(ret, line, pop);
|
|
ADD_LABEL(ret, lassign);
|
|
CHECK(COMPILE(ret, "NODE_OP_ASGN_AND/OR#nd_value", node->nd_value));
|
|
ADD_LABEL(ret, lfin);
|
|
|
|
if (popped) {
|
|
/* we can apply more optimize */
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_CALL: /* obj.foo */
|
|
case NODE_OPCALL: /* foo[] */
|
|
if (compile_call_precheck_freeze(iseq, ret, node, line, popped) == TRUE) {
|
|
break;
|
|
}
|
|
case NODE_QCALL: /* obj&.foo */
|
|
case NODE_FCALL: /* foo() */
|
|
case NODE_VCALL: /* foo (variable or call) */
|
|
compile_call(iseq, ret, node, type, line, popped);
|
|
break;
|
|
case NODE_SUPER:
|
|
case NODE_ZSUPER:{
|
|
DECL_ANCHOR(args);
|
|
int argc;
|
|
unsigned int flag = 0;
|
|
struct rb_call_info_kw_arg *keywords = NULL;
|
|
const rb_iseq_t *parent_block = ISEQ_COMPILE_DATA(iseq)->current_block;
|
|
|
|
INIT_ANCHOR(args);
|
|
ISEQ_COMPILE_DATA(iseq)->current_block = NULL;
|
|
if (type == NODE_SUPER) {
|
|
VALUE vargc = setup_args(iseq, args, node->nd_args, &flag, &keywords);
|
|
CHECK(!NIL_P(vargc));
|
|
argc = FIX2INT(vargc);
|
|
}
|
|
else {
|
|
/* NODE_ZSUPER */
|
|
int i;
|
|
const rb_iseq_t *liseq = body->local_iseq;
|
|
const struct rb_iseq_constant_body *const local_body = liseq->body;
|
|
const struct rb_iseq_param_keyword *const local_kwd = local_body->param.keyword;
|
|
int lvar_level = get_lvar_level(iseq);
|
|
|
|
argc = local_body->param.lead_num;
|
|
|
|
/* normal arguments */
|
|
for (i = 0; i < local_body->param.lead_num; i++) {
|
|
int idx = local_body->local_table_size - i;
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
}
|
|
|
|
if (local_body->param.flags.has_opt) {
|
|
/* optional arguments */
|
|
int j;
|
|
for (j = 0; j < local_body->param.opt_num; j++) {
|
|
int idx = local_body->local_table_size - (i + j);
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
}
|
|
i += j;
|
|
argc = i;
|
|
}
|
|
if (local_body->param.flags.has_rest) {
|
|
/* rest argument */
|
|
int idx = local_body->local_table_size - local_body->param.rest_start;
|
|
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
ADD_INSN1(args, line, splatarray, Qfalse);
|
|
|
|
argc = local_body->param.rest_start + 1;
|
|
flag |= VM_CALL_ARGS_SPLAT;
|
|
}
|
|
if (local_body->param.flags.has_post) {
|
|
/* post arguments */
|
|
int post_len = local_body->param.post_num;
|
|
int post_start = local_body->param.post_start;
|
|
|
|
if (local_body->param.flags.has_rest) {
|
|
int j;
|
|
for (j=0; j<post_len; j++) {
|
|
int idx = local_body->local_table_size - (post_start + j);
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
}
|
|
ADD_INSN1(args, line, newarray, INT2FIX(j));
|
|
ADD_INSN (args, line, concatarray);
|
|
/* argc is settled at above */
|
|
}
|
|
else {
|
|
int j;
|
|
for (j=0; j<post_len; j++) {
|
|
int idx = local_body->local_table_size - (post_start + j);
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
}
|
|
argc = post_len + post_start;
|
|
}
|
|
}
|
|
|
|
if (local_body->param.flags.has_kw) { /* TODO: support keywords */
|
|
int local_size = local_body->local_table_size;
|
|
argc++;
|
|
|
|
ADD_INSN1(args, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
|
|
if (local_body->param.flags.has_kwrest) {
|
|
int idx = local_body->local_table_size - local_kwd->rest_start;
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
ADD_SEND (args, line, rb_intern("dup"), INT2FIX(0));
|
|
}
|
|
else {
|
|
ADD_INSN1(args, line, newhash, INT2FIX(0));
|
|
}
|
|
for (i = 0; i < local_kwd->num; ++i) {
|
|
ID id = local_kwd->table[i];
|
|
int idx = local_size - get_local_var_idx(liseq, id);
|
|
ADD_INSN1(args, line, putobject, ID2SYM(id));
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
}
|
|
ADD_SEND(args, line, id_core_hash_merge_ptr, INT2FIX(i * 2 + 1));
|
|
if (local_body->param.flags.has_rest) {
|
|
ADD_INSN1(args, line, newarray, INT2FIX(1));
|
|
ADD_INSN (args, line, concatarray);
|
|
--argc;
|
|
}
|
|
}
|
|
else if (local_body->param.flags.has_kwrest) {
|
|
int idx = local_body->local_table_size - local_kwd->rest_start;
|
|
ADD_GETLOCAL(args, line, idx, lvar_level);
|
|
|
|
ADD_SEND (args, line, rb_intern("dup"), INT2FIX(0));
|
|
if (local_body->param.flags.has_rest) {
|
|
ADD_INSN1(args, line, newarray, INT2FIX(1));
|
|
ADD_INSN (args, line, concatarray);
|
|
}
|
|
else {
|
|
argc++;
|
|
}
|
|
}
|
|
}
|
|
|
|
ADD_INSN(ret, line, putself);
|
|
ADD_SEQ(ret, args);
|
|
ADD_INSN3(ret, line, invokesuper,
|
|
new_callinfo(iseq, 0, argc, flag | VM_CALL_SUPER | (type == NODE_ZSUPER ? VM_CALL_ZSUPER : 0) | VM_CALL_FCALL, keywords, parent_block != NULL),
|
|
Qnil, /* CALL_CACHE */
|
|
parent_block);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ARRAY:{
|
|
CHECK(compile_array(iseq, ret, node, COMPILE_ARRAY_TYPE_ARRAY, popped) >= 0);
|
|
break;
|
|
}
|
|
case NODE_ZARRAY:{
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, newarray, INT2FIX(0));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_VALUES:{
|
|
const NODE *n = node;
|
|
if (popped) {
|
|
COMPILE_ERROR(ERROR_ARGS "NODE_VALUES: must not be popped");
|
|
}
|
|
while (n) {
|
|
CHECK(COMPILE(ret, "values item", n->nd_head));
|
|
n = n->nd_next;
|
|
}
|
|
ADD_INSN1(ret, line, newarray, INT2FIX(node->nd_alen));
|
|
break;
|
|
}
|
|
case NODE_HASH:{
|
|
DECL_ANCHOR(list);
|
|
enum node_type type = node->nd_head ? nd_type(node->nd_head) : NODE_ZARRAY;
|
|
|
|
INIT_ANCHOR(list);
|
|
switch (type) {
|
|
case NODE_ARRAY:
|
|
CHECK(compile_array(iseq, list, node->nd_head, COMPILE_ARRAY_TYPE_HASH, popped) >= 0);
|
|
ADD_SEQ(ret, list);
|
|
break;
|
|
|
|
case NODE_ZARRAY:
|
|
if (popped) break;
|
|
ADD_INSN1(ret, line, newhash, INT2FIX(0));
|
|
break;
|
|
|
|
default:
|
|
COMPILE_ERROR(ERROR_ARGS_AT(node->nd_head) "can't make hash with this node: %s",
|
|
ruby_node_name(type));
|
|
goto ng;
|
|
}
|
|
break;
|
|
}
|
|
case NODE_RETURN:
|
|
CHECK(compile_return(iseq, ret, node, popped));
|
|
break;
|
|
case NODE_YIELD:{
|
|
DECL_ANCHOR(args);
|
|
VALUE argc;
|
|
unsigned int flag = 0;
|
|
struct rb_call_info_kw_arg *keywords = NULL;
|
|
|
|
INIT_ANCHOR(args);
|
|
|
|
if (check_yield_place(iseq, line) == FALSE) {
|
|
COMPILE_ERROR(ERROR_ARGS "Invalid yield");
|
|
goto ng;
|
|
}
|
|
|
|
if (node->nd_head) {
|
|
argc = setup_args(iseq, args, node->nd_head, &flag, &keywords);
|
|
CHECK(!NIL_P(argc));
|
|
}
|
|
else {
|
|
argc = INT2FIX(0);
|
|
}
|
|
|
|
ADD_SEQ(ret, args);
|
|
ADD_INSN1(ret, line, invokeblock, new_callinfo(iseq, 0, FIX2INT(argc), flag, keywords, FALSE));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_LVAR:{
|
|
if (!popped) {
|
|
ID id = node->nd_vid;
|
|
int idx = body->local_iseq->body->local_table_size - get_local_var_idx(iseq, id);
|
|
|
|
debugs("id: %s idx: %d\n", rb_id2name(id), idx);
|
|
ADD_GETLOCAL(ret, line, idx, get_lvar_level(iseq));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DVAR:{
|
|
int lv, idx, ls;
|
|
debugi("nd_vid", node->nd_vid);
|
|
if (!popped) {
|
|
idx = get_dyna_var_idx(iseq, node->nd_vid, &lv, &ls);
|
|
if (idx < 0) {
|
|
COMPILE_ERROR(ERROR_ARGS "unknown dvar (%"PRIsVALUE")",
|
|
rb_id2str(node->nd_vid));
|
|
goto ng;
|
|
}
|
|
ADD_GETLOCAL(ret, line, ls - idx, lv);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_GVAR:{
|
|
ADD_INSN1(ret, line, getglobal,
|
|
((VALUE)node->nd_entry | 1));
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_IVAR:{
|
|
debugi("nd_vid", node->nd_vid);
|
|
if (!popped) {
|
|
ADD_INSN2(ret, line, getinstancevariable,
|
|
ID2SYM(node->nd_vid),
|
|
get_ivar_ic_value(iseq,node->nd_vid));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_CONST:{
|
|
debugi("nd_vid", node->nd_vid);
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->inline_const_cache) {
|
|
LABEL *lend = NEW_LABEL(line);
|
|
int ic_index = body->is_size++;
|
|
|
|
ADD_INSN2(ret, line, opt_getinlinecache, lend, INT2FIX(ic_index));
|
|
ADD_INSN1(ret, line, getconstant, ID2SYM(node->nd_vid));
|
|
ADD_INSN1(ret, line, opt_setinlinecache, INT2FIX(ic_index));
|
|
ADD_LABEL(ret, lend);
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_INSN1(ret, line, getconstant, ID2SYM(node->nd_vid));
|
|
}
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_CVAR:{
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, getclassvariable,
|
|
ID2SYM(node->nd_vid));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_NTH_REF:{
|
|
if (!popped) {
|
|
if (!node->nd_nth) {
|
|
ADD_INSN(ret, line, putnil);
|
|
break;
|
|
}
|
|
ADD_INSN2(ret, line, getspecial, INT2FIX(1) /* '~' */,
|
|
INT2FIX(node->nd_nth << 1));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_BACK_REF:{
|
|
if (!popped) {
|
|
ADD_INSN2(ret, line, getspecial, INT2FIX(1) /* '~' */,
|
|
INT2FIX(0x01 | (node->nd_nth << 1)));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_MATCH:
|
|
case NODE_MATCH2:
|
|
case NODE_MATCH3:{
|
|
DECL_ANCHOR(recv);
|
|
DECL_ANCHOR(val);
|
|
|
|
INIT_ANCHOR(recv);
|
|
INIT_ANCHOR(val);
|
|
switch (nd_type(node)) {
|
|
case NODE_MATCH:
|
|
ADD_INSN1(recv, line, putobject, node->nd_lit);
|
|
ADD_INSN2(val, line, getspecial, INT2FIX(0),
|
|
INT2FIX(0));
|
|
break;
|
|
case NODE_MATCH2:
|
|
CHECK(COMPILE(recv, "receiver", node->nd_recv));
|
|
CHECK(COMPILE(val, "value", node->nd_value));
|
|
break;
|
|
case NODE_MATCH3:
|
|
CHECK(COMPILE(recv, "receiver", node->nd_value));
|
|
CHECK(COMPILE(val, "value", node->nd_recv));
|
|
break;
|
|
}
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction) {
|
|
/* TODO: detect by node */
|
|
if (recv->last == recv->anchor.next &&
|
|
INSN_OF(recv->last) == BIN(putobject) &&
|
|
nd_type(node) == NODE_MATCH2) {
|
|
ADD_SEQ(ret, val);
|
|
ADD_INSN1(ret, line, opt_regexpmatch1,
|
|
OPERAND_AT(recv->last, 0));
|
|
}
|
|
else {
|
|
ADD_SEQ(ret, recv);
|
|
ADD_SEQ(ret, val);
|
|
ADD_INSN2(ret, line, opt_regexpmatch2, new_callinfo(iseq, idEqTilde, 1, 0, NULL, FALSE), Qnil);
|
|
}
|
|
}
|
|
else {
|
|
ADD_SEQ(ret, recv);
|
|
ADD_SEQ(ret, val);
|
|
ADD_SEND(ret, line, idEqTilde, INT2FIX(1));
|
|
}
|
|
|
|
if (node->nd_args) {
|
|
compile_named_capture_assign(iseq, ret, node->nd_args);
|
|
}
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_LIT:{
|
|
debugp_param("lit", node->nd_lit);
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putobject, node->nd_lit);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_STR:{
|
|
debugp_param("nd_lit", node->nd_lit);
|
|
if (!popped) {
|
|
VALUE lit = node->nd_lit;
|
|
if (!ISEQ_COMPILE_DATA(iseq)->option->frozen_string_literal) {
|
|
lit = freeze_literal(iseq, lit);
|
|
ADD_INSN1(ret, line, putstring, lit);
|
|
}
|
|
else {
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->debug_frozen_string_literal || RTEST(ruby_debug)) {
|
|
VALUE debug_info = rb_ary_new_from_args(2, rb_iseq_path(iseq), INT2FIX(line));
|
|
lit = rb_str_dup(lit);
|
|
rb_ivar_set(lit, id_debug_created_info, rb_obj_freeze(debug_info));
|
|
lit = rb_str_freeze(lit);
|
|
}
|
|
else {
|
|
lit = rb_fstring(lit);
|
|
}
|
|
ADD_INSN1(ret, line, putobject, lit);
|
|
iseq_add_mark_object_compile_time(iseq, lit);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DSTR:{
|
|
compile_dstr(iseq, ret, node);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
else {
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->frozen_string_literal) {
|
|
VALUE debug_info = Qnil;
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->debug_frozen_string_literal || RTEST(ruby_debug)) {
|
|
debug_info = rb_ary_new_from_args(2, rb_iseq_path(iseq), INT2FIX(line));
|
|
iseq_add_mark_object_compile_time(iseq, rb_obj_freeze(debug_info));
|
|
}
|
|
ADD_INSN1(ret, line, freezestring, debug_info);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case NODE_XSTR:{
|
|
ADD_CALL_RECEIVER(ret, line);
|
|
ADD_INSN1(ret, line, putobject, freeze_literal(iseq, node->nd_lit));
|
|
ADD_CALL(ret, line, idBackquote, INT2FIX(1));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DXSTR:{
|
|
ADD_CALL_RECEIVER(ret, line);
|
|
compile_dstr(iseq, ret, node);
|
|
ADD_CALL(ret, line, idBackquote, INT2FIX(1));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_EVSTR:
|
|
CHECK(compile_evstr(iseq, ret, node->nd_body, popped));
|
|
break;
|
|
case NODE_DREGX:{
|
|
compile_dregx(iseq, ret, node);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ONCE:{
|
|
int ic_index = body->is_size++;
|
|
const rb_iseq_t *block_iseq;
|
|
block_iseq = NEW_CHILD_ISEQ(node->nd_body, make_name_for_block(iseq), ISEQ_TYPE_PLAIN, line);
|
|
|
|
ADD_INSN2(ret, line, once, block_iseq, INT2FIX(ic_index));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ARGSCAT:{
|
|
if (popped) {
|
|
CHECK(COMPILE(ret, "argscat head", node->nd_head));
|
|
ADD_INSN1(ret, line, splatarray, Qfalse);
|
|
ADD_INSN(ret, line, pop);
|
|
CHECK(COMPILE(ret, "argscat body", node->nd_body));
|
|
ADD_INSN1(ret, line, splatarray, Qfalse);
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "argscat head", node->nd_head));
|
|
CHECK(COMPILE(ret, "argscat body", node->nd_body));
|
|
ADD_INSN(ret, line, concatarray);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ARGSPUSH:{
|
|
if (popped) {
|
|
CHECK(COMPILE(ret, "arsgpush head", node->nd_head));
|
|
ADD_INSN1(ret, line, splatarray, Qfalse);
|
|
ADD_INSN(ret, line, pop);
|
|
CHECK(COMPILE_(ret, "argspush body", node->nd_body, popped));
|
|
}
|
|
else {
|
|
CHECK(COMPILE(ret, "arsgpush head", node->nd_head));
|
|
CHECK(COMPILE_(ret, "argspush body", node->nd_body, popped));
|
|
ADD_INSN1(ret, line, newarray, INT2FIX(1));
|
|
ADD_INSN(ret, line, concatarray);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_SPLAT:{
|
|
CHECK(COMPILE(ret, "splat", node->nd_head));
|
|
ADD_INSN1(ret, line, splatarray, Qtrue);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DEFN:{
|
|
ID mid = node->nd_mid;
|
|
const rb_iseq_t *method_iseq = NEW_ISEQ(node->nd_defn,
|
|
rb_id2str(mid),
|
|
ISEQ_TYPE_METHOD, line);
|
|
|
|
debugp_param("defn/iseq", rb_iseqw_new(method_iseq));
|
|
ADD_INSN2(ret, line, definemethod, ID2SYM(mid), method_iseq);
|
|
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(mid));
|
|
}
|
|
|
|
break;
|
|
}
|
|
case NODE_DEFS:{
|
|
ID mid = node->nd_mid;
|
|
const rb_iseq_t * singleton_method_iseq = NEW_ISEQ(node->nd_defn,
|
|
rb_id2str(mid),
|
|
ISEQ_TYPE_METHOD, line);
|
|
|
|
debugp_param("defs/iseq", rb_iseqw_new(singleton_method_iseq));
|
|
CHECK(COMPILE(ret, "defs: recv", node->nd_recv));
|
|
ADD_INSN2(ret, line, definesmethod, ID2SYM(mid), singleton_method_iseq);
|
|
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(mid));
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ALIAS:{
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CBASE));
|
|
CHECK(COMPILE(ret, "alias arg1", node->nd_1st));
|
|
CHECK(COMPILE(ret, "alias arg2", node->nd_2nd));
|
|
ADD_SEND(ret, line, id_core_set_method_alias, INT2FIX(3));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_VALIAS:{
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(node->nd_alias));
|
|
ADD_INSN1(ret, line, putobject, ID2SYM(node->nd_orig));
|
|
ADD_SEND(ret, line, id_core_set_variable_alias, INT2FIX(2));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_UNDEF:{
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CBASE));
|
|
CHECK(COMPILE(ret, "undef arg", node->nd_undef));
|
|
ADD_SEND(ret, line, id_core_undef_method, INT2FIX(2));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_CLASS:{
|
|
const rb_iseq_t *class_iseq = NEW_CHILD_ISEQ(node->nd_body,
|
|
rb_sprintf("<class:%"PRIsVALUE">", rb_id2str(node->nd_cpath->nd_mid)),
|
|
ISEQ_TYPE_CLASS, line);
|
|
const int flags = VM_DEFINECLASS_TYPE_CLASS |
|
|
(node->nd_super ? VM_DEFINECLASS_FLAG_HAS_SUPERCLASS : 0) |
|
|
compile_cpath(ret, iseq, node->nd_cpath);
|
|
|
|
CHECK(COMPILE(ret, "super", node->nd_super));
|
|
ADD_INSN3(ret, line, defineclass, ID2SYM(node->nd_cpath->nd_mid), class_iseq, INT2FIX(flags));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_MODULE:{
|
|
const rb_iseq_t *module_iseq = NEW_CHILD_ISEQ(node->nd_body,
|
|
rb_sprintf("<module:%"PRIsVALUE">", rb_id2str(node->nd_cpath->nd_mid)),
|
|
ISEQ_TYPE_CLASS, line);
|
|
const int flags = VM_DEFINECLASS_TYPE_MODULE |
|
|
compile_cpath(ret, iseq, node->nd_cpath);
|
|
|
|
ADD_INSN (ret, line, putnil); /* dummy */
|
|
ADD_INSN3(ret, line, defineclass, ID2SYM(node->nd_cpath->nd_mid), module_iseq, INT2FIX(flags));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_SCLASS:{
|
|
ID singletonclass;
|
|
const rb_iseq_t *singleton_class = NEW_ISEQ(node->nd_body, rb_fstring_lit("singleton class"),
|
|
ISEQ_TYPE_CLASS, line);
|
|
|
|
CHECK(COMPILE(ret, "sclass#recv", node->nd_recv));
|
|
ADD_INSN (ret, line, putnil);
|
|
CONST_ID(singletonclass, "singletonclass");
|
|
ADD_INSN3(ret, line, defineclass,
|
|
ID2SYM(singletonclass), singleton_class,
|
|
INT2FIX(VM_DEFINECLASS_TYPE_SINGLETON_CLASS));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_COLON2:{
|
|
if (rb_is_const_id(node->nd_mid)) {
|
|
/* constant */
|
|
LABEL *lend = NEW_LABEL(line);
|
|
int ic_index = body->is_size++;
|
|
|
|
DECL_ANCHOR(pref);
|
|
DECL_ANCHOR(body);
|
|
|
|
INIT_ANCHOR(pref);
|
|
INIT_ANCHOR(body);
|
|
CHECK(compile_const_prefix(iseq, node, pref, body));
|
|
if (LIST_INSN_SIZE_ZERO(pref)) {
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->inline_const_cache) {
|
|
ADD_INSN2(ret, line, opt_getinlinecache, lend, INT2FIX(ic_index));
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
|
|
ADD_SEQ(ret, body);
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->inline_const_cache) {
|
|
ADD_INSN1(ret, line, opt_setinlinecache, INT2FIX(ic_index));
|
|
ADD_LABEL(ret, lend);
|
|
}
|
|
}
|
|
else {
|
|
ADD_SEQ(ret, pref);
|
|
ADD_SEQ(ret, body);
|
|
}
|
|
}
|
|
else {
|
|
/* function call */
|
|
ADD_CALL_RECEIVER(ret, line);
|
|
CHECK(COMPILE(ret, "colon2#nd_head", node->nd_head));
|
|
ADD_CALL(ret, line, node->nd_mid, INT2FIX(1));
|
|
}
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_COLON3:{
|
|
LABEL *lend = NEW_LABEL(line);
|
|
int ic_index = body->is_size++;
|
|
|
|
debugi("colon3#nd_mid", node->nd_mid);
|
|
|
|
/* add cache insn */
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->inline_const_cache) {
|
|
ADD_INSN2(ret, line, opt_getinlinecache, lend, INT2FIX(ic_index));
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
|
|
ADD_INSN1(ret, line, putobject, rb_cObject);
|
|
ADD_INSN1(ret, line, getconstant, ID2SYM(node->nd_mid));
|
|
|
|
if (ISEQ_COMPILE_DATA(iseq)->option->inline_const_cache) {
|
|
ADD_INSN1(ret, line, opt_setinlinecache, INT2FIX(ic_index));
|
|
ADD_LABEL(ret, lend);
|
|
}
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DOT2:
|
|
case NODE_DOT3:{
|
|
int excl = type == NODE_DOT3;
|
|
VALUE flag = INT2FIX(excl);
|
|
const NODE *b = node->nd_beg;
|
|
const NODE *e = node->nd_end;
|
|
if (number_literal_p(b) && number_literal_p(e)) {
|
|
if (!popped) {
|
|
VALUE val = rb_range_new(b->nd_lit, e->nd_lit, excl);
|
|
iseq_add_mark_object_compile_time(iseq, val);
|
|
ADD_INSN1(ret, line, putobject, val);
|
|
}
|
|
}
|
|
else {
|
|
CHECK(COMPILE_(ret, "min", b, popped));
|
|
CHECK(COMPILE_(ret, "max", e, popped));
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, newrange, flag);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case NODE_FLIP2:
|
|
case NODE_FLIP3:{
|
|
LABEL *lend = NEW_LABEL(line);
|
|
LABEL *ltrue = NEW_LABEL(line);
|
|
LABEL *lfalse = NEW_LABEL(line);
|
|
CHECK(compile_flip_flop(iseq, ret, node, type == NODE_FLIP2,
|
|
ltrue, lfalse));
|
|
ADD_LABEL(ret, ltrue);
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
ADD_INSNL(ret, line, jump, lend);
|
|
ADD_LABEL(ret, lfalse);
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
ADD_LABEL(ret, lend);
|
|
break;
|
|
}
|
|
case NODE_SELF:{
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putself);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_NIL:{
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_TRUE:{
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putobject, Qtrue);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_FALSE:{
|
|
if (!popped) {
|
|
ADD_INSN1(ret, line, putobject, Qfalse);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ERRINFO:{
|
|
if (!popped) {
|
|
if (body->type == ISEQ_TYPE_RESCUE) {
|
|
ADD_GETLOCAL(ret, line, LVAR_ERRINFO, 0);
|
|
}
|
|
else {
|
|
const rb_iseq_t *ip = iseq;
|
|
int level = 0;
|
|
while (ip) {
|
|
if (ip->body->type == ISEQ_TYPE_RESCUE) {
|
|
break;
|
|
}
|
|
ip = ip->body->parent_iseq;
|
|
level++;
|
|
}
|
|
if (ip) {
|
|
ADD_GETLOCAL(ret, line, LVAR_ERRINFO, level);
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, putnil);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case NODE_DEFINED:
|
|
if (!popped) {
|
|
CHECK(compile_defined_expr(iseq, ret, node, Qtrue));
|
|
}
|
|
break;
|
|
case NODE_POSTEXE:{
|
|
/* compiled to:
|
|
* ONCE{ rb_mRubyVMFrozenCore::core#set_postexe{ ... } }
|
|
*/
|
|
int is_index = body->is_size++;
|
|
const rb_iseq_t *once_iseq =
|
|
new_child_iseq_ifunc(iseq, IFUNC_NEW(build_postexe_iseq, node->nd_body, 0),
|
|
rb_fstring(make_name_for_block(iseq)), iseq, ISEQ_TYPE_BLOCK, line);
|
|
|
|
ADD_INSN2(ret, line, once, once_iseq, INT2FIX(is_index));
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_KW_ARG:
|
|
{
|
|
LABEL *end_label = NEW_LABEL(nd_line(node));
|
|
const NODE *default_value = node->nd_body->nd_value;
|
|
|
|
if (default_value == (const NODE *)-1) {
|
|
/* required argument. do nothing */
|
|
COMPILE_ERROR(ERROR_ARGS "unreachable");
|
|
goto ng;
|
|
}
|
|
else if (nd_type(default_value) == NODE_LIT ||
|
|
nd_type(default_value) == NODE_NIL ||
|
|
nd_type(default_value) == NODE_TRUE ||
|
|
nd_type(default_value) == NODE_FALSE) {
|
|
COMPILE_ERROR(ERROR_ARGS "unreachable");
|
|
goto ng;
|
|
}
|
|
else {
|
|
/* if keywordcheck(_kw_bits, nth_keyword)
|
|
* kw = default_value
|
|
* end
|
|
*/
|
|
int kw_bits_idx = body->local_table_size - body->param.keyword->bits_start;
|
|
int keyword_idx = body->param.keyword->num;
|
|
|
|
ADD_INSN2(ret, line, checkkeyword, INT2FIX(kw_bits_idx + VM_ENV_DATA_SIZE - 1), INT2FIX(keyword_idx));
|
|
ADD_INSNL(ret, line, branchif, end_label);
|
|
CHECK(COMPILE_POPPED(ret, "keyword default argument", node->nd_body));
|
|
ADD_LABEL(ret, end_label);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case NODE_DSYM:{
|
|
compile_dstr(iseq, ret, node);
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, intern);
|
|
}
|
|
else {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_ATTRASGN:{
|
|
DECL_ANCHOR(recv);
|
|
DECL_ANCHOR(args);
|
|
unsigned int flag = 0;
|
|
ID mid = node->nd_mid;
|
|
VALUE argc;
|
|
LABEL *else_label = NULL;
|
|
VALUE branches = Qfalse;
|
|
|
|
/* optimization shortcut
|
|
* obj["literal"] = value -> opt_aset_with(obj, "literal", value)
|
|
*/
|
|
if (mid == idASET && !private_recv_p(node) && node->nd_args &&
|
|
nd_type(node->nd_args) == NODE_ARRAY && node->nd_args->nd_alen == 2 &&
|
|
nd_type(node->nd_args->nd_head) == NODE_STR &&
|
|
ISEQ_COMPILE_DATA(iseq)->current_block == NULL &&
|
|
!ISEQ_COMPILE_DATA(iseq)->option->frozen_string_literal &&
|
|
ISEQ_COMPILE_DATA(iseq)->option->specialized_instruction)
|
|
{
|
|
VALUE str = freeze_literal(iseq, node->nd_args->nd_head->nd_lit);
|
|
CHECK(COMPILE(ret, "recv", node->nd_recv));
|
|
CHECK(COMPILE(ret, "value", node->nd_args->nd_next->nd_head));
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, swap);
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1));
|
|
}
|
|
ADD_INSN3(ret, line, opt_aset_with, str,
|
|
new_callinfo(iseq, idASET, 2, 0, NULL, FALSE),
|
|
NULL/* CALL_CACHE */);
|
|
ADD_INSN(ret, line, pop);
|
|
break;
|
|
}
|
|
|
|
INIT_ANCHOR(recv);
|
|
INIT_ANCHOR(args);
|
|
argc = setup_args(iseq, args, node->nd_args, &flag, NULL);
|
|
CHECK(!NIL_P(argc));
|
|
|
|
flag |= COMPILE_RECV(recv, "recv", node);
|
|
|
|
debugp_param("argc", argc);
|
|
debugp_param("nd_mid", ID2SYM(mid));
|
|
|
|
if (!rb_is_attrset_id(mid)) {
|
|
/* safe nav attr */
|
|
mid = rb_id_attrset(mid);
|
|
else_label = qcall_branch_start(iseq, recv, &branches, node, line);
|
|
}
|
|
if (!popped) {
|
|
ADD_INSN(ret, line, putnil);
|
|
ADD_SEQ(ret, recv);
|
|
ADD_SEQ(ret, args);
|
|
|
|
if (flag & VM_CALL_ARGS_BLOCKARG) {
|
|
ADD_INSN1(ret, line, topn, INT2FIX(1));
|
|
if (flag & VM_CALL_ARGS_SPLAT) {
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(-1));
|
|
ADD_SEND(ret, line, idAREF, INT2FIX(1));
|
|
}
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 3));
|
|
ADD_INSN (ret, line, pop);
|
|
}
|
|
else if (flag & VM_CALL_ARGS_SPLAT) {
|
|
ADD_INSN(ret, line, dup);
|
|
ADD_INSN1(ret, line, putobject, INT2FIX(-1));
|
|
ADD_SEND(ret, line, idAREF, INT2FIX(1));
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 2));
|
|
ADD_INSN (ret, line, pop);
|
|
}
|
|
else {
|
|
ADD_INSN1(ret, line, setn, FIXNUM_INC(argc, 1));
|
|
}
|
|
}
|
|
else {
|
|
ADD_SEQ(ret, recv);
|
|
ADD_SEQ(ret, args);
|
|
}
|
|
ADD_SEND_WITH_FLAG(ret, line, mid, argc, INT2FIX(flag));
|
|
qcall_branch_end(iseq, ret, else_label, branches, node, line);
|
|
ADD_INSN(ret, line, pop);
|
|
|
|
break;
|
|
}
|
|
case NODE_LAMBDA:{
|
|
/* compile same as lambda{...} */
|
|
const rb_iseq_t *block = NEW_CHILD_ISEQ(node->nd_body, make_name_for_block(iseq), ISEQ_TYPE_BLOCK, line);
|
|
VALUE argc = INT2FIX(0);
|
|
|
|
ADD_INSN1(ret, line, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
|
|
ADD_CALL_WITH_BLOCK(ret, line, idLambda, argc, block);
|
|
|
|
if (popped) {
|
|
ADD_INSN(ret, line, pop);
|
|
}
|
|
break;
|
|
}
|
|
case NODE_METHREF:
|
|
CHECK(COMPILE_(ret, "receiver", node->nd_recv, popped));
|
|
ADD_ELEM(ret, &new_insn_body(iseq, line, BIN(methodref), 1, ID2SYM(node->nd_mid))->link);
|
|
break;
|
|
default:
|
|
UNKNOWN_NODE("iseq_compile_each", node, COMPILE_NG);
|
|
ng:
|
|
debug_node_end();
|
|
return COMPILE_NG;
|
|
}
|
|
|
|
debug_node_end();
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
/***************************/
|
|
/* instruction information */
|
|
/***************************/
|
|
|
|
static int
|
|
insn_data_length(INSN *iobj)
|
|
{
|
|
return insn_len(iobj->insn_id);
|
|
}
|
|
|
|
static int
|
|
calc_sp_depth(int depth, INSN *insn)
|
|
{
|
|
return insn_stack_increase(depth, insn->insn_id, insn->operands);
|
|
}
|
|
|
|
static VALUE
|
|
opobj_inspect(VALUE obj)
|
|
{
|
|
struct RBasic *r = (struct RBasic *) obj;
|
|
if (!SPECIAL_CONST_P(r) && r->klass == 0) {
|
|
switch (BUILTIN_TYPE(r)) {
|
|
case T_STRING:
|
|
obj = rb_str_new_cstr(RSTRING_PTR(obj));
|
|
break;
|
|
case T_ARRAY:
|
|
obj = rb_ary_dup(obj);
|
|
break;
|
|
}
|
|
}
|
|
return rb_inspect(obj);
|
|
}
|
|
|
|
|
|
|
|
static VALUE
|
|
insn_data_to_s_detail(INSN *iobj)
|
|
{
|
|
VALUE str = rb_sprintf("%-20s ", insn_name(iobj->insn_id));
|
|
|
|
if (iobj->operands) {
|
|
const char *types = insn_op_types(iobj->insn_id);
|
|
int j;
|
|
|
|
for (j = 0; types[j]; j++) {
|
|
char type = types[j];
|
|
|
|
switch (type) {
|
|
case TS_OFFSET: /* label(destination position) */
|
|
{
|
|
LABEL *lobj = (LABEL *)OPERAND_AT(iobj, j);
|
|
rb_str_catf(str, LABEL_FORMAT, lobj->label_no);
|
|
break;
|
|
}
|
|
break;
|
|
case TS_ISEQ: /* iseq */
|
|
{
|
|
rb_iseq_t *iseq = (rb_iseq_t *)OPERAND_AT(iobj, j);
|
|
VALUE val = Qnil;
|
|
if (0 && iseq) { /* TODO: invalidate now */
|
|
val = (VALUE)iseq;
|
|
}
|
|
rb_str_concat(str, opobj_inspect(val));
|
|
}
|
|
break;
|
|
case TS_LINDEX:
|
|
case TS_NUM: /* ulong */
|
|
case TS_VALUE: /* VALUE */
|
|
{
|
|
VALUE v = OPERAND_AT(iobj, j);
|
|
rb_str_concat(str, opobj_inspect(v));
|
|
break;
|
|
}
|
|
case TS_ID: /* ID */
|
|
rb_str_concat(str, opobj_inspect(OPERAND_AT(iobj, j)));
|
|
break;
|
|
case TS_GENTRY:
|
|
{
|
|
struct rb_global_entry *entry = (struct rb_global_entry *)
|
|
(OPERAND_AT(iobj, j) & (~1));
|
|
rb_str_append(str, rb_id2str(entry->id));
|
|
break;
|
|
}
|
|
case TS_IC: /* inline cache */
|
|
case TS_ISE: /* inline storage entry */
|
|
rb_str_catf(str, "<ic:%d>", FIX2INT(OPERAND_AT(iobj, j)));
|
|
break;
|
|
case TS_CALLINFO: /* call info */
|
|
{
|
|
struct rb_call_info *ci = (struct rb_call_info *)OPERAND_AT(iobj, j);
|
|
rb_str_cat2(str, "<callinfo:");
|
|
if (ci->mid) rb_str_catf(str, "%"PRIsVALUE, rb_id2str(ci->mid));
|
|
rb_str_catf(str, ", %d>", ci->orig_argc);
|
|
break;
|
|
}
|
|
case TS_CALLCACHE: /* call cache */
|
|
{
|
|
rb_str_catf(str, "<call cache>");
|
|
break;
|
|
}
|
|
case TS_CDHASH: /* case/when condition cache */
|
|
rb_str_cat2(str, "<ch>");
|
|
break;
|
|
case TS_FUNCPTR:
|
|
{
|
|
const void *func = (const void *)OPERAND_AT(iobj, j);
|
|
#ifdef HAVE_DLADDR
|
|
Dl_info info;
|
|
if (dladdr(func, &info) && info.dli_sname) {
|
|
rb_str_cat2(str, info.dli_sname);
|
|
break;
|
|
}
|
|
#endif
|
|
rb_str_catf(str, "<%p>", func);
|
|
}
|
|
break;
|
|
default:{
|
|
rb_raise(rb_eSyntaxError, "unknown operand type: %c", type);
|
|
}
|
|
}
|
|
if (types[j + 1]) {
|
|
rb_str_cat2(str, ", ");
|
|
}
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
static void
|
|
dump_disasm_list(const LINK_ELEMENT *link)
|
|
{
|
|
dump_disasm_list_with_cursor(link, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
dump_disasm_list_with_cursor(const LINK_ELEMENT *link, const LINK_ELEMENT *curr, const LABEL *dest)
|
|
{
|
|
int pos = 0;
|
|
INSN *iobj;
|
|
LABEL *lobj;
|
|
VALUE str;
|
|
|
|
printf("-- raw disasm--------\n");
|
|
|
|
while (link) {
|
|
if (curr) printf(curr == link ? "*" : " ");
|
|
switch (link->type) {
|
|
case ISEQ_ELEMENT_INSN:
|
|
{
|
|
iobj = (INSN *)link;
|
|
str = insn_data_to_s_detail(iobj);
|
|
printf("%04d %-65s(%4u)\n", pos, StringValueCStr(str), iobj->insn_info.line_no);
|
|
pos += insn_data_length(iobj);
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_LABEL:
|
|
{
|
|
lobj = (LABEL *)link;
|
|
printf(LABEL_FORMAT" [sp: %d]%s\n", lobj->label_no, lobj->sp,
|
|
dest == lobj ? " <---" : "");
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_TRACE:
|
|
{
|
|
TRACE *trace = (TRACE *)link;
|
|
printf("trace: %0x\n", trace->event);
|
|
break;
|
|
}
|
|
case ISEQ_ELEMENT_ADJUST:
|
|
{
|
|
ADJUST *adjust = (ADJUST *)link;
|
|
printf("adjust: [label: %d]\n", adjust->label ? adjust->label->label_no : -1);
|
|
break;
|
|
}
|
|
default:
|
|
/* ignore */
|
|
rb_raise(rb_eSyntaxError, "dump_disasm_list error: %ld\n", FIX2LONG(link->type));
|
|
}
|
|
link = link->next;
|
|
}
|
|
printf("---------------------\n");
|
|
fflush(stdout);
|
|
}
|
|
|
|
const char *
|
|
rb_insns_name(int i)
|
|
{
|
|
return insn_name(i);
|
|
}
|
|
|
|
VALUE
|
|
rb_insns_name_array(void)
|
|
{
|
|
VALUE ary = rb_ary_new_capa(VM_INSTRUCTION_SIZE);
|
|
int i;
|
|
for (i = 0; i < VM_INSTRUCTION_SIZE; i++) {
|
|
rb_ary_push(ary, rb_fstring_cstr(insn_name(i)));
|
|
}
|
|
return rb_obj_freeze(ary);
|
|
}
|
|
|
|
static LABEL *
|
|
register_label(rb_iseq_t *iseq, struct st_table *labels_table, VALUE obj)
|
|
{
|
|
LABEL *label = 0;
|
|
st_data_t tmp;
|
|
obj = rb_to_symbol_type(obj);
|
|
|
|
if (st_lookup(labels_table, obj, &tmp) == 0) {
|
|
label = NEW_LABEL(0);
|
|
st_insert(labels_table, obj, (st_data_t)label);
|
|
}
|
|
else {
|
|
label = (LABEL *)tmp;
|
|
}
|
|
LABEL_REF(label);
|
|
return label;
|
|
}
|
|
|
|
static VALUE
|
|
get_exception_sym2type(VALUE sym)
|
|
{
|
|
#undef rb_intern
|
|
#define rb_intern(str) rb_intern_const(str)
|
|
static VALUE symRescue, symEnsure, symRetry;
|
|
static VALUE symBreak, symRedo, symNext;
|
|
|
|
if (symRescue == 0) {
|
|
symRescue = ID2SYM(rb_intern("rescue"));
|
|
symEnsure = ID2SYM(rb_intern("ensure"));
|
|
symRetry = ID2SYM(rb_intern("retry"));
|
|
symBreak = ID2SYM(rb_intern("break"));
|
|
symRedo = ID2SYM(rb_intern("redo"));
|
|
symNext = ID2SYM(rb_intern("next"));
|
|
}
|
|
|
|
if (sym == symRescue) return CATCH_TYPE_RESCUE;
|
|
if (sym == symEnsure) return CATCH_TYPE_ENSURE;
|
|
if (sym == symRetry) return CATCH_TYPE_RETRY;
|
|
if (sym == symBreak) return CATCH_TYPE_BREAK;
|
|
if (sym == symRedo) return CATCH_TYPE_REDO;
|
|
if (sym == symNext) return CATCH_TYPE_NEXT;
|
|
rb_raise(rb_eSyntaxError, "invalid exception symbol: %+"PRIsVALUE, sym);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iseq_build_from_ary_exception(rb_iseq_t *iseq, struct st_table *labels_table,
|
|
VALUE exception)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<RARRAY_LEN(exception); i++) {
|
|
const rb_iseq_t *eiseq;
|
|
VALUE v, type;
|
|
LABEL *lstart, *lend, *lcont;
|
|
unsigned int sp;
|
|
|
|
v = rb_to_array_type(RARRAY_AREF(exception, i));
|
|
if (RARRAY_LEN(v) != 6) {
|
|
rb_raise(rb_eSyntaxError, "wrong exception entry");
|
|
}
|
|
type = get_exception_sym2type(RARRAY_AREF(v, 0));
|
|
if (RARRAY_AREF(v, 1) == Qnil) {
|
|
eiseq = NULL;
|
|
}
|
|
else {
|
|
eiseq = rb_iseqw_to_iseq(rb_iseq_load(RARRAY_AREF(v, 1), (VALUE)iseq, Qnil));
|
|
}
|
|
|
|
lstart = register_label(iseq, labels_table, RARRAY_AREF(v, 2));
|
|
lend = register_label(iseq, labels_table, RARRAY_AREF(v, 3));
|
|
lcont = register_label(iseq, labels_table, RARRAY_AREF(v, 4));
|
|
sp = NUM2UINT(RARRAY_AREF(v, 5));
|
|
|
|
/* TODO: Dirty Hack! Fix me */
|
|
if (type == CATCH_TYPE_RESCUE ||
|
|
type == CATCH_TYPE_BREAK ||
|
|
type == CATCH_TYPE_NEXT) {
|
|
++sp;
|
|
}
|
|
|
|
lcont->sp = sp;
|
|
|
|
ADD_CATCH_ENTRY(type, lstart, lend, eiseq, lcont);
|
|
|
|
RB_GC_GUARD(v);
|
|
}
|
|
return COMPILE_OK;
|
|
}
|
|
|
|
static struct st_table *
|
|
insn_make_insn_table(void)
|
|
{
|
|
struct st_table *table;
|
|
int i;
|
|
table = st_init_numtable();
|
|
|
|
for (i=0; i<VM_INSTRUCTION_SIZE; i++) {
|
|
st_insert(table, ID2SYM(rb_intern(insn_name(i))), i);
|
|
}
|
|
|
|
return table;
|
|
}
|
|
|
|
static const rb_iseq_t *
|
|
iseq_build_load_iseq(const rb_iseq_t *iseq, VALUE op)
|
|
{
|
|
VALUE iseqw;
|
|
const rb_iseq_t *loaded_iseq;
|
|
|
|
if (RB_TYPE_P(op, T_ARRAY)) {
|
|
iseqw = rb_iseq_load(op, (VALUE)iseq, Qnil);
|
|
}
|
|
else if (CLASS_OF(op) == rb_cISeq) {
|
|
iseqw = op;
|
|
}
|
|
else {
|
|
rb_raise(rb_eSyntaxError, "ISEQ is required");
|
|
}
|
|
|
|
loaded_iseq = rb_iseqw_to_iseq(iseqw);
|
|
return loaded_iseq;
|
|
}
|
|
|
|
static VALUE
|
|
iseq_build_callinfo_from_hash(rb_iseq_t *iseq, VALUE op)
|
|
{
|
|
ID mid = 0;
|
|
int orig_argc = 0;
|
|
unsigned int flag = 0;
|
|
struct rb_call_info_kw_arg *kw_arg = 0;
|
|
|
|
if (!NIL_P(op)) {
|
|
VALUE vmid = rb_hash_aref(op, ID2SYM(rb_intern("mid")));
|
|
VALUE vflag = rb_hash_aref(op, ID2SYM(rb_intern("flag")));
|
|
VALUE vorig_argc = rb_hash_aref(op, ID2SYM(rb_intern("orig_argc")));
|
|
VALUE vkw_arg = rb_hash_aref(op, ID2SYM(rb_intern("kw_arg")));
|
|
|
|
if (!NIL_P(vmid)) mid = SYM2ID(vmid);
|
|
if (!NIL_P(vflag)) flag = NUM2UINT(vflag);
|
|
if (!NIL_P(vorig_argc)) orig_argc = FIX2INT(vorig_argc);
|
|
|
|
if (!NIL_P(vkw_arg)) {
|
|
int i;
|
|
int len = RARRAY_LENINT(vkw_arg);
|
|
size_t n = rb_call_info_kw_arg_bytes(len);
|
|
|
|
kw_arg = xmalloc(n);
|
|
kw_arg->keyword_len = len;
|
|
for (i = 0; i < len; i++) {
|
|
VALUE kw = RARRAY_AREF(vkw_arg, i);
|
|
SYM2ID(kw); /* make immortal */
|
|
kw_arg->keywords[i] = kw;
|
|
}
|
|
}
|
|
}
|
|
|
|
return (VALUE)new_callinfo(iseq, mid, orig_argc, flag, kw_arg, (flag & VM_CALL_ARGS_SIMPLE) == 0);
|
|
}
|
|
|
|
static rb_event_flag_t
|
|
event_name_to_flag(VALUE sym)
|
|
{
|
|
#define CHECK_EVENT(ev) if (sym == ID2SYM(rb_intern(#ev))) return ev;
|
|
CHECK_EVENT(RUBY_EVENT_LINE);
|
|
CHECK_EVENT(RUBY_EVENT_CLASS);
|
|
CHECK_EVENT(RUBY_EVENT_END);
|
|
CHECK_EVENT(RUBY_EVENT_CALL);
|
|
CHECK_EVENT(RUBY_EVENT_RETURN);
|
|
CHECK_EVENT(RUBY_EVENT_B_CALL);
|
|
CHECK_EVENT(RUBY_EVENT_B_RETURN);
|
|
#undef CHECK_EVENT
|
|
return RUBY_EVENT_NONE;
|
|
}
|
|
|
|
static int
|
|
iseq_build_from_ary_body(rb_iseq_t *iseq, LINK_ANCHOR *const anchor,
|
|
VALUE body, VALUE labels_wrapper)
|
|
{
|
|
/* TODO: body should be frozen */
|
|
long i, len = RARRAY_LEN(body);
|
|
struct st_table *labels_table = DATA_PTR(labels_wrapper);
|
|
int j;
|
|
int line_no = 0;
|
|
int ret = COMPILE_OK;
|
|
|
|
/*
|
|
* index -> LABEL *label
|
|
*/
|
|
static struct st_table *insn_table;
|
|
|
|
if (insn_table == 0) {
|
|
insn_table = insn_make_insn_table();
|
|
}
|
|
|
|
for (i=0; i<len; i++) {
|
|
VALUE obj = RARRAY_AREF(body, i);
|
|
|
|
if (SYMBOL_P(obj)) {
|
|
rb_event_flag_t event;
|
|
if ((event = event_name_to_flag(obj)) != RUBY_EVENT_NONE) {
|
|
ADD_TRACE(anchor, event);
|
|
}
|
|
else {
|
|
LABEL *label = register_label(iseq, labels_table, obj);
|
|
ADD_LABEL(anchor, label);
|
|
}
|
|
}
|
|
else if (FIXNUM_P(obj)) {
|
|
line_no = NUM2INT(obj);
|
|
}
|
|
else if (RB_TYPE_P(obj, T_ARRAY)) {
|
|
VALUE *argv = 0;
|
|
int argc = RARRAY_LENINT(obj) - 1;
|
|
st_data_t insn_id;
|
|
VALUE insn;
|
|
|
|
insn = (argc < 0) ? Qnil : RARRAY_AREF(obj, 0);
|
|
if (st_lookup(insn_table, (st_data_t)insn, &insn_id) == 0) {
|
|
/* TODO: exception */
|
|
COMPILE_ERROR(iseq, line_no,
|
|
"unknown instruction: %+"PRIsVALUE, insn);
|
|
ret = COMPILE_NG;
|
|
break;
|
|
}
|
|
|
|
if (argc != insn_len((VALUE)insn_id)-1) {
|
|
COMPILE_ERROR(iseq, line_no,
|
|
"operand size mismatch");
|
|
ret = COMPILE_NG;
|
|
break;
|
|
}
|
|
|
|
if (argc > 0) {
|
|
argv = compile_data_alloc(iseq, sizeof(VALUE) * argc);
|
|
for (j=0; j<argc; j++) {
|
|
VALUE op = rb_ary_entry(obj, j+1);
|
|
switch (insn_op_type((VALUE)insn_id, j)) {
|
|
case TS_OFFSET: {
|
|
LABEL *label = register_label(iseq, labels_table, op);
|
|
argv[j] = (VALUE)label;
|
|
break;
|
|
}
|
|
case TS_LINDEX:
|
|
case TS_NUM:
|
|
(void)NUM2INT(op);
|
|
argv[j] = op;
|
|
break;
|
|
case TS_VALUE:
|
|
argv[j] = op;
|
|
iseq_add_mark_object_compile_time(iseq, op);
|
|
break;
|
|
case TS_ISEQ:
|
|
{
|
|
if (op != Qnil) {
|
|
VALUE v = (VALUE)iseq_build_load_iseq(iseq, op);
|
|
argv[j] = v;
|
|
iseq_add_mark_object_compile_time(iseq, v);
|
|
}
|
|
else {
|
|
argv[j] = 0;
|
|
}
|
|
}
|
|
break;
|
|
case TS_GENTRY:
|
|
op = rb_to_symbol_type(op);
|
|
argv[j] = (VALUE)rb_global_entry(SYM2ID(op));
|
|
break;
|
|
case TS_ISE:
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
case TS_IC:
|
|
argv[j] = op;
|
|
if (NUM2UINT(op) >= iseq->body->is_size) {
|
|
iseq->body->is_size = NUM2INT(op) + 1;
|
|
}
|
|
break;
|
|
case TS_CALLINFO:
|
|
argv[j] = iseq_build_callinfo_from_hash(iseq, op);
|
|
break;
|
|
case TS_CALLCACHE:
|
|
argv[j] = Qfalse;
|
|
break;
|
|
case TS_ID:
|
|
argv[j] = rb_to_symbol_type(op);
|
|
break;
|
|
case TS_CDHASH:
|
|
{
|
|
int i;
|
|
VALUE map = rb_hash_new_with_size(RARRAY_LEN(op)/2);
|
|
|
|
RHASH_TBL_RAW(map)->type = &cdhash_type;
|
|
op = rb_to_array_type(op);
|
|
for (i=0; i<RARRAY_LEN(op); i+=2) {
|
|
VALUE key = RARRAY_AREF(op, i);
|
|
VALUE sym = RARRAY_AREF(op, i+1);
|
|
LABEL *label =
|
|
register_label(iseq, labels_table, sym);
|
|
rb_hash_aset(map, key, (VALUE)label | 1);
|
|
}
|
|
RB_GC_GUARD(op);
|
|
argv[j] = map;
|
|
iseq_add_mark_object_compile_time(iseq, map);
|
|
}
|
|
break;
|
|
case TS_FUNCPTR:
|
|
{
|
|
#if SIZEOF_VALUE <= SIZEOF_LONG
|
|
long funcptr = NUM2LONG(op);
|
|
#else
|
|
LONG_LONG funcptr = NUM2LL(op);
|
|
#endif
|
|
argv[j] = (VALUE)funcptr;
|
|
}
|
|
break;
|
|
default:
|
|
rb_raise(rb_eSyntaxError, "unknown operand: %c", insn_op_type((VALUE)insn_id, j));
|
|
}
|
|
}
|
|
}
|
|
ADD_ELEM(anchor,
|
|
(LINK_ELEMENT*)new_insn_core(iseq, line_no,
|
|
(enum ruby_vminsn_type)insn_id, argc, argv));
|
|
}
|
|
else {
|
|
rb_raise(rb_eTypeError, "unexpected object for instruction");
|
|
}
|
|
}
|
|
DATA_PTR(labels_wrapper) = 0;
|
|
validate_labels(iseq, labels_table);
|
|
if (!ret) return ret;
|
|
return iseq_setup(iseq, anchor);
|
|
}
|
|
|
|
#define CHECK_ARRAY(v) rb_to_array_type(v)
|
|
#define CHECK_SYMBOL(v) rb_to_symbol_type(v)
|
|
|
|
static int
|
|
int_param(int *dst, VALUE param, VALUE sym)
|
|
{
|
|
VALUE val = rb_hash_aref(param, sym);
|
|
if (FIXNUM_P(val)) {
|
|
*dst = FIX2INT(val);
|
|
return TRUE;
|
|
}
|
|
else if (!NIL_P(val)) {
|
|
rb_raise(rb_eTypeError, "invalid %+"PRIsVALUE" Fixnum: %+"PRIsVALUE,
|
|
sym, val);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static const struct rb_iseq_param_keyword *
|
|
iseq_build_kw(rb_iseq_t *iseq, VALUE params, VALUE keywords)
|
|
{
|
|
int i, j;
|
|
int len = RARRAY_LENINT(keywords);
|
|
int default_len;
|
|
VALUE key, sym, default_val;
|
|
VALUE *dvs;
|
|
ID *ids;
|
|
struct rb_iseq_param_keyword *keyword = ZALLOC(struct rb_iseq_param_keyword);
|
|
|
|
iseq->body->param.flags.has_kw = TRUE;
|
|
|
|
keyword->num = len;
|
|
#define SYM(s) ID2SYM(rb_intern(#s))
|
|
(void)int_param(&keyword->bits_start, params, SYM(kwbits));
|
|
i = keyword->bits_start - keyword->num;
|
|
ids = (ID *)&iseq->body->local_table[i];
|
|
#undef SYM
|
|
|
|
/* required args */
|
|
for (i = 0; i < len; i++) {
|
|
VALUE val = RARRAY_AREF(keywords, i);
|
|
|
|
if (!SYMBOL_P(val)) {
|
|
goto default_values;
|
|
}
|
|
ids[i] = SYM2ID(val);
|
|
keyword->required_num++;
|
|
}
|
|
|
|
default_values: /* note: we intentionally preserve `i' from previous loop */
|
|
default_len = len - i;
|
|
if (default_len == 0) {
|
|
keyword->table = ids;
|
|
return keyword;
|
|
}
|
|
else if (default_len < 0) {
|
|
UNREACHABLE;
|
|
}
|
|
|
|
dvs = ALLOC_N(VALUE, (unsigned int)default_len);
|
|
|
|
for (j = 0; i < len; i++, j++) {
|
|
key = RARRAY_AREF(keywords, i);
|
|
CHECK_ARRAY(key);
|
|
|
|
switch (RARRAY_LEN(key)) {
|
|
case 1:
|
|
sym = RARRAY_AREF(key, 0);
|
|
default_val = Qundef;
|
|
break;
|
|
case 2:
|
|
sym = RARRAY_AREF(key, 0);
|
|
default_val = RARRAY_AREF(key, 1);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eTypeError, "keyword default has unsupported len %+"PRIsVALUE, key);
|
|
}
|
|
ids[i] = SYM2ID(sym);
|
|
dvs[j] = default_val;
|
|
}
|
|
|
|
keyword->table = ids;
|
|
keyword->default_values = dvs;
|
|
|
|
return keyword;
|
|
}
|
|
|
|
void
|
|
rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE misc, VALUE locals, VALUE params,
|
|
VALUE exception, VALUE body)
|
|
{
|
|
#define SYM(s) ID2SYM(rb_intern(#s))
|
|
int i, len;
|
|
unsigned int arg_size, local_size, stack_max;
|
|
ID *tbl;
|
|
struct st_table *labels_table = st_init_numtable();
|
|
VALUE labels_wrapper = Data_Wrap_Struct(0, 0, st_free_table, labels_table);
|
|
VALUE arg_opt_labels = rb_hash_aref(params, SYM(opt));
|
|
VALUE keywords = rb_hash_aref(params, SYM(keyword));
|
|
VALUE sym_arg_rest = ID2SYM(rb_intern("#arg_rest"));
|
|
DECL_ANCHOR(anchor);
|
|
INIT_ANCHOR(anchor);
|
|
|
|
len = RARRAY_LENINT(locals);
|
|
iseq->body->local_table_size = len;
|
|
iseq->body->local_table = tbl = len > 0 ? (ID *)ALLOC_N(ID, iseq->body->local_table_size) : NULL;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
VALUE lv = RARRAY_AREF(locals, i);
|
|
|
|
if (sym_arg_rest == lv) {
|
|
tbl[i] = 0;
|
|
}
|
|
else {
|
|
tbl[i] = FIXNUM_P(lv) ? (ID)FIX2LONG(lv) : SYM2ID(CHECK_SYMBOL(lv));
|
|
}
|
|
}
|
|
|
|
#define INT_PARAM(F) int_param(&iseq->body->param.F, params, SYM(F))
|
|
if (INT_PARAM(lead_num)) {
|
|
iseq->body->param.flags.has_lead = TRUE;
|
|
}
|
|
if (INT_PARAM(post_num)) iseq->body->param.flags.has_post = TRUE;
|
|
if (INT_PARAM(post_start)) iseq->body->param.flags.has_post = TRUE;
|
|
if (INT_PARAM(rest_start)) iseq->body->param.flags.has_rest = TRUE;
|
|
if (INT_PARAM(block_start)) iseq->body->param.flags.has_block = TRUE;
|
|
#undef INT_PARAM
|
|
{
|
|
#define INT_PARAM(F) F = (int_param(&x, misc, SYM(F)) ? (unsigned int)x : 0)
|
|
int x;
|
|
INT_PARAM(arg_size);
|
|
INT_PARAM(local_size);
|
|
INT_PARAM(stack_max);
|
|
#undef INT_PARAM
|
|
}
|
|
|
|
if (RB_TYPE_P(arg_opt_labels, T_ARRAY)) {
|
|
len = RARRAY_LENINT(arg_opt_labels);
|
|
iseq->body->param.flags.has_opt = !!(len - 1 >= 0);
|
|
|
|
if (iseq->body->param.flags.has_opt) {
|
|
VALUE *opt_table = ALLOC_N(VALUE, len);
|
|
|
|
for (i = 0; i < len; i++) {
|
|
VALUE ent = RARRAY_AREF(arg_opt_labels, i);
|
|
LABEL *label = register_label(iseq, labels_table, ent);
|
|
opt_table[i] = (VALUE)label;
|
|
}
|
|
|
|
iseq->body->param.opt_num = len - 1;
|
|
iseq->body->param.opt_table = opt_table;
|
|
}
|
|
}
|
|
else if (!NIL_P(arg_opt_labels)) {
|
|
rb_raise(rb_eTypeError, ":opt param is not an array: %+"PRIsVALUE,
|
|
arg_opt_labels);
|
|
}
|
|
|
|
if (RB_TYPE_P(keywords, T_ARRAY)) {
|
|
iseq->body->param.keyword = iseq_build_kw(iseq, params, keywords);
|
|
}
|
|
else if (!NIL_P(keywords)) {
|
|
rb_raise(rb_eTypeError, ":keywords param is not an array: %+"PRIsVALUE,
|
|
keywords);
|
|
}
|
|
|
|
if (Qtrue == rb_hash_aref(params, SYM(ambiguous_param0))) {
|
|
iseq->body->param.flags.ambiguous_param0 = TRUE;
|
|
}
|
|
|
|
if (int_param(&i, params, SYM(kwrest))) {
|
|
struct rb_iseq_param_keyword *keyword = (struct rb_iseq_param_keyword *)iseq->body->param.keyword;
|
|
if (keyword == NULL) {
|
|
iseq->body->param.keyword = keyword = ZALLOC(struct rb_iseq_param_keyword);
|
|
}
|
|
keyword->rest_start = i;
|
|
iseq->body->param.flags.has_kwrest = TRUE;
|
|
}
|
|
#undef SYM
|
|
iseq_calc_param_size(iseq);
|
|
|
|
/* exception */
|
|
iseq_build_from_ary_exception(iseq, labels_table, exception);
|
|
|
|
/* body */
|
|
iseq_build_from_ary_body(iseq, anchor, body, labels_wrapper);
|
|
|
|
iseq->body->param.size = arg_size;
|
|
iseq->body->local_table_size = local_size;
|
|
iseq->body->stack_max = stack_max;
|
|
}
|
|
|
|
/* for parser */
|
|
|
|
int
|
|
rb_dvar_defined(ID id, const struct rb_block *base_block)
|
|
{
|
|
const rb_iseq_t *iseq;
|
|
|
|
if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
|
|
const struct rb_iseq_constant_body *body = iseq->body;
|
|
while (body->type == ISEQ_TYPE_BLOCK ||
|
|
body->type == ISEQ_TYPE_RESCUE ||
|
|
body->type == ISEQ_TYPE_ENSURE ||
|
|
body->type == ISEQ_TYPE_EVAL ||
|
|
body->type == ISEQ_TYPE_MAIN
|
|
) {
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < body->local_table_size; i++) {
|
|
if (body->local_table[i] == id) {
|
|
return 1;
|
|
}
|
|
}
|
|
iseq = body->parent_iseq;
|
|
body = iseq->body;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
rb_local_defined(ID id, const struct rb_block *base_block)
|
|
{
|
|
const rb_iseq_t *iseq;
|
|
|
|
if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
|
|
unsigned int i;
|
|
const struct rb_iseq_constant_body *const body = iseq->body->local_iseq->body;
|
|
|
|
for (i=0; i<body->local_table_size; i++) {
|
|
if (body->local_table[i] == id) {
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
caller_location(VALUE *path, VALUE *realpath)
|
|
{
|
|
const rb_execution_context_t *ec = GET_EC();
|
|
const rb_control_frame_t *const cfp =
|
|
rb_vm_get_ruby_level_next_cfp(ec, ec->cfp);
|
|
|
|
if (cfp) {
|
|
int line = rb_vm_get_sourceline(cfp);
|
|
*path = rb_iseq_path(cfp->iseq);
|
|
*realpath = rb_iseq_realpath(cfp->iseq);
|
|
return line;
|
|
}
|
|
else {
|
|
*path = rb_fstring_lit("<compiled>");
|
|
*realpath = *path;
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
typedef struct {
|
|
VALUE arg;
|
|
rb_insn_func_t func;
|
|
int line;
|
|
} accessor_args;
|
|
|
|
static const rb_iseq_t *
|
|
method_for_self(VALUE name, VALUE arg, rb_insn_func_t func,
|
|
VALUE (*build)(rb_iseq_t *, LINK_ANCHOR *const, VALUE))
|
|
{
|
|
VALUE path, realpath;
|
|
accessor_args acc;
|
|
|
|
acc.arg = arg;
|
|
acc.func = func;
|
|
acc.line = caller_location(&path, &realpath);
|
|
return rb_iseq_new_ifunc(IFUNC_NEW(build, (VALUE)&acc, 0),
|
|
rb_sym2str(name), path, realpath,
|
|
INT2FIX(acc.line), 0, ISEQ_TYPE_METHOD, 0);
|
|
}
|
|
|
|
static VALUE
|
|
for_self_aref(rb_iseq_t *iseq, LINK_ANCHOR *const ret, VALUE a)
|
|
{
|
|
const accessor_args *const args = (void *)a;
|
|
const int line = args->line;
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
|
|
iseq_set_local_table(iseq, 0);
|
|
body->param.lead_num = 0;
|
|
body->param.size = 0;
|
|
|
|
ADD_INSN1(ret, line, putobject, args->arg);
|
|
ADD_INSN1(ret, line, opt_call_c_function, (VALUE)args->func);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
for_self_aset(rb_iseq_t *iseq, LINK_ANCHOR *const ret, VALUE a)
|
|
{
|
|
const accessor_args *const args = (void *)a;
|
|
const int line = args->line;
|
|
struct rb_iseq_constant_body *const body = iseq->body;
|
|
static const ID vars[] = {1, idUScore};
|
|
|
|
iseq_set_local_table(iseq, vars);
|
|
body->param.lead_num = 1;
|
|
body->param.size = 1;
|
|
|
|
ADD_GETLOCAL(ret, line, numberof(vars)-1, 0);
|
|
ADD_INSN1(ret, line, putobject, args->arg);
|
|
ADD_INSN1(ret, line, opt_call_c_function, (VALUE)args->func);
|
|
ADD_INSN(ret, line, pop);
|
|
return Qnil;
|
|
}
|
|
|
|
/*
|
|
* func (index) -> (value)
|
|
*/
|
|
const rb_iseq_t *
|
|
rb_method_for_self_aref(VALUE name, VALUE arg, rb_insn_func_t func)
|
|
{
|
|
return method_for_self(name, arg, func, for_self_aref);
|
|
}
|
|
|
|
/*
|
|
* func (index, value) -> (index, value)
|
|
*/
|
|
const rb_iseq_t *
|
|
rb_method_for_self_aset(VALUE name, VALUE arg, rb_insn_func_t func)
|
|
{
|
|
return method_for_self(name, arg, func, for_self_aset);
|
|
}
|
|
|
|
/* ISeq binary format */
|
|
|
|
#ifndef IBF_ISEQ_DEBUG
|
|
#define IBF_ISEQ_DEBUG 0
|
|
#endif
|
|
|
|
typedef unsigned int ibf_offset_t;
|
|
#define IBF_OFFSET(ptr) ((ibf_offset_t)(VALUE)(ptr))
|
|
|
|
struct ibf_header {
|
|
char magic[4]; /* YARB */
|
|
unsigned int major_version;
|
|
unsigned int minor_version;
|
|
unsigned int size;
|
|
unsigned int extra_size;
|
|
|
|
unsigned int iseq_list_size;
|
|
unsigned int id_list_size;
|
|
unsigned int object_list_size;
|
|
|
|
ibf_offset_t iseq_list_offset;
|
|
ibf_offset_t id_list_offset;
|
|
ibf_offset_t object_list_offset;
|
|
};
|
|
|
|
struct ibf_dump {
|
|
VALUE str;
|
|
VALUE iseq_list; /* [iseq0 offset, ...] */
|
|
VALUE obj_list; /* [objs] */
|
|
st_table *iseq_table; /* iseq -> iseq number */
|
|
st_table *id_table; /* id -> id number */
|
|
};
|
|
|
|
rb_iseq_t * iseq_alloc(void);
|
|
|
|
struct ibf_load {
|
|
const RUBY_ALIGNAS(SIZEOF_VALUE) char *buff;
|
|
const struct ibf_header *header;
|
|
ID *id_list; /* [id0, ...] */
|
|
VALUE iseq_list; /* [iseq0, ...] */
|
|
VALUE obj_list; /* [obj0, ...] */
|
|
VALUE loader_obj;
|
|
VALUE str;
|
|
rb_iseq_t *iseq;
|
|
};
|
|
|
|
static ibf_offset_t
|
|
ibf_dump_pos(struct ibf_dump *dump)
|
|
{
|
|
long pos = RSTRING_LEN(dump->str);
|
|
#if SIZEOF_LONG > SIZEOF_INT
|
|
if (pos >= UINT_MAX) {
|
|
rb_raise(rb_eRuntimeError, "dump size exceeds");
|
|
}
|
|
#endif
|
|
return (unsigned int)pos;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_align(struct ibf_dump *dump, size_t align)
|
|
{
|
|
ibf_offset_t pos = ibf_dump_pos(dump);
|
|
if (pos % align) {
|
|
static const char padding[sizeof(VALUE)];
|
|
size_t size = align - ((size_t)pos % align);
|
|
#if SIZEOF_LONG > SIZEOF_INT
|
|
if (pos + size >= UINT_MAX) {
|
|
rb_raise(rb_eRuntimeError, "dump size exceeds");
|
|
}
|
|
#endif
|
|
for (; size > sizeof(padding); size -= sizeof(padding)) {
|
|
rb_str_cat(dump->str, padding, sizeof(padding));
|
|
}
|
|
rb_str_cat(dump->str, padding, size);
|
|
}
|
|
}
|
|
|
|
static ibf_offset_t
|
|
ibf_dump_write(struct ibf_dump *dump, const void *buff, unsigned long size)
|
|
{
|
|
ibf_offset_t pos = ibf_dump_pos(dump);
|
|
rb_str_cat(dump->str, (const char *)buff, size);
|
|
/* TODO: overflow check */
|
|
return pos;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_overwrite(struct ibf_dump *dump, void *buff, unsigned int size, long offset)
|
|
{
|
|
VALUE str = dump->str;
|
|
char *ptr = RSTRING_PTR(str);
|
|
if ((unsigned long)(size + offset) > (unsigned long)RSTRING_LEN(str))
|
|
rb_bug("ibf_dump_overwrite: overflow");
|
|
memcpy(ptr + offset, buff, size);
|
|
}
|
|
|
|
static void *
|
|
ibf_load_alloc(const struct ibf_load *load, ibf_offset_t offset, int size)
|
|
{
|
|
void *buff = ruby_xmalloc(size);
|
|
memcpy(buff, load->buff + offset, size);
|
|
return buff;
|
|
}
|
|
|
|
#define IBF_W_ALIGN(type) (RUBY_ALIGNOF(type) > 1 ? ibf_dump_align(dump, RUBY_ALIGNOF(type)) : (void)0)
|
|
|
|
#define IBF_W(b, type, n) (IBF_W_ALIGN(type), (type *)(VALUE)IBF_WP(b, type, n))
|
|
#define IBF_WV(variable) ibf_dump_write(dump, &(variable), sizeof(variable))
|
|
#define IBF_WP(b, type, n) ibf_dump_write(dump, (b), sizeof(type) * (n))
|
|
#define IBF_R(val, type, n) (type *)ibf_load_alloc(load, IBF_OFFSET(val), sizeof(type) * (n))
|
|
#define IBF_ZERO(variable) memset(&(variable), 0, sizeof(variable))
|
|
|
|
static int
|
|
ibf_table_lookup(struct st_table *table, st_data_t key)
|
|
{
|
|
st_data_t val;
|
|
|
|
if (st_lookup(table, key, &val)) {
|
|
return (int)val;
|
|
}
|
|
else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ibf_table_index(struct st_table *table, st_data_t key)
|
|
{
|
|
int index = ibf_table_lookup(table, key);
|
|
|
|
if (index < 0) { /* not found */
|
|
index = (int)table->num_entries;
|
|
st_insert(table, key, (st_data_t)index);
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
/* dump/load generic */
|
|
|
|
static VALUE ibf_load_object(const struct ibf_load *load, VALUE object_index);
|
|
static rb_iseq_t *ibf_load_iseq(const struct ibf_load *load, const rb_iseq_t *index_iseq);
|
|
|
|
static VALUE
|
|
ibf_dump_object(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
long index = RARRAY_LEN(dump->obj_list);
|
|
long i;
|
|
for (i=0; i<index; i++) {
|
|
if (RARRAY_AREF(dump->obj_list, i) == obj) return (VALUE)i; /* dedup */
|
|
}
|
|
rb_ary_push(dump->obj_list, obj);
|
|
return (VALUE)index;
|
|
}
|
|
|
|
static VALUE
|
|
ibf_dump_id(struct ibf_dump *dump, ID id)
|
|
{
|
|
return (VALUE)ibf_table_index(dump->id_table, (st_data_t)id);
|
|
}
|
|
|
|
static ID
|
|
ibf_load_id(const struct ibf_load *load, const ID id_index)
|
|
{
|
|
ID id;
|
|
|
|
if (id_index == 0) {
|
|
id = 0;
|
|
}
|
|
else {
|
|
id = load->id_list[(long)id_index];
|
|
|
|
if (id == 0) {
|
|
long *indices = (long *)(load->buff + load->header->id_list_offset);
|
|
VALUE str = ibf_load_object(load, indices[id_index]);
|
|
id = NIL_P(str) ? 0 : rb_intern_str(str); /* str == nil -> internal junk id */
|
|
load->id_list[(long)id_index] = id;
|
|
}
|
|
}
|
|
|
|
return id;
|
|
}
|
|
|
|
/* dump/load: code */
|
|
|
|
static VALUE
|
|
ibf_dump_callinfo(struct ibf_dump *dump, const struct rb_call_info *ci)
|
|
{
|
|
return (ci->flag & VM_CALL_KWARG) ? Qtrue : Qfalse;
|
|
}
|
|
|
|
static ibf_offset_t ibf_dump_iseq_each(struct ibf_dump *dump, const rb_iseq_t *iseq);
|
|
|
|
static rb_iseq_t *
|
|
ibf_dump_iseq(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
if (iseq == NULL) {
|
|
return (rb_iseq_t *)-1;
|
|
}
|
|
else {
|
|
int iseq_index = ibf_table_lookup(dump->iseq_table, (st_data_t)iseq);
|
|
if (iseq_index < 0) {
|
|
iseq_index = ibf_table_index(dump->iseq_table, (st_data_t)iseq);
|
|
rb_ary_store(dump->iseq_list, iseq_index, LONG2NUM(ibf_dump_iseq_each(dump, rb_iseq_check(iseq))));
|
|
}
|
|
return (rb_iseq_t *)(VALUE)iseq_index;
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
ibf_dump_gentry(struct ibf_dump *dump, const struct rb_global_entry *entry)
|
|
{
|
|
return (VALUE)ibf_dump_id(dump, entry->id);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_gentry(const struct ibf_load *load, const struct rb_global_entry *entry)
|
|
{
|
|
ID gid = ibf_load_id(load, (ID)(VALUE)entry);
|
|
return (VALUE)rb_global_entry(gid);
|
|
}
|
|
|
|
static VALUE *
|
|
ibf_dump_code(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
const struct rb_iseq_constant_body *const body = iseq->body;
|
|
const int iseq_size = body->iseq_size;
|
|
int code_index;
|
|
VALUE *code;
|
|
const VALUE *orig_code = rb_iseq_original_iseq(iseq);
|
|
|
|
code = ALLOCA_N(VALUE, iseq_size);
|
|
|
|
for (code_index=0; code_index<iseq_size;) {
|
|
const VALUE insn = orig_code[code_index];
|
|
const char *types = insn_op_types(insn);
|
|
int op_index;
|
|
|
|
code[code_index++] = (VALUE)insn;
|
|
|
|
for (op_index=0; types[op_index]; op_index++, code_index++) {
|
|
VALUE op = orig_code[code_index];
|
|
switch (types[op_index]) {
|
|
case TS_CDHASH:
|
|
case TS_VALUE:
|
|
code[code_index] = ibf_dump_object(dump, op);
|
|
break;
|
|
case TS_ISEQ:
|
|
code[code_index] = (VALUE)ibf_dump_iseq(dump, (const rb_iseq_t *)op);
|
|
break;
|
|
case TS_IC:
|
|
case TS_ISE:
|
|
{
|
|
unsigned int i;
|
|
for (i=0; i<body->is_size; i++) {
|
|
if (op == (VALUE)&body->is_entries[i]) {
|
|
break;
|
|
}
|
|
}
|
|
code[code_index] = i;
|
|
}
|
|
break;
|
|
case TS_CALLINFO:
|
|
code[code_index] = ibf_dump_callinfo(dump, (const struct rb_call_info *)op);
|
|
break;
|
|
case TS_CALLCACHE:
|
|
code[code_index] = 0;
|
|
break;
|
|
case TS_ID:
|
|
code[code_index] = ibf_dump_id(dump, (ID)op);
|
|
break;
|
|
case TS_GENTRY:
|
|
code[code_index] = ibf_dump_gentry(dump, (const struct rb_global_entry *)op);
|
|
break;
|
|
case TS_FUNCPTR:
|
|
rb_raise(rb_eRuntimeError, "TS_FUNCPTR is not supported");
|
|
break;
|
|
default:
|
|
code[code_index] = op;
|
|
break;
|
|
}
|
|
}
|
|
assert(insn_len(insn) == op_index+1);
|
|
}
|
|
|
|
return IBF_W(code, VALUE, iseq_size);
|
|
}
|
|
|
|
static VALUE *
|
|
ibf_load_code(const struct ibf_load *load, const rb_iseq_t *iseq, const struct rb_iseq_constant_body *body)
|
|
{
|
|
const int iseq_size = body->iseq_size;
|
|
int code_index;
|
|
VALUE *code = IBF_R(body->iseq_encoded, VALUE, iseq_size);
|
|
|
|
struct rb_iseq_constant_body *load_body = iseq->body;
|
|
struct rb_call_info *ci_entries = load_body->ci_entries;
|
|
struct rb_call_info_with_kwarg *ci_kw_entries = (struct rb_call_info_with_kwarg *)&load_body->ci_entries[load_body->ci_size];
|
|
struct rb_call_cache *cc_entries = load_body->cc_entries;
|
|
union iseq_inline_storage_entry *is_entries = load_body->is_entries;
|
|
|
|
load_body->iseq_encoded = code;
|
|
load_body->iseq_size = 0;
|
|
for (code_index=0; code_index<iseq_size;) {
|
|
const VALUE insn = code[code_index++];
|
|
const char *types = insn_op_types(insn);
|
|
int op_index;
|
|
|
|
for (op_index=0; types[op_index]; op_index++, code_index++) {
|
|
VALUE op = code[code_index];
|
|
|
|
switch (types[op_index]) {
|
|
case TS_CDHASH:
|
|
case TS_VALUE:
|
|
{
|
|
VALUE v = ibf_load_object(load, op);
|
|
code[code_index] = v;
|
|
if (!SPECIAL_CONST_P(v)) {
|
|
RB_OBJ_WRITTEN(iseq, Qundef, v);
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
}
|
|
break;
|
|
}
|
|
case TS_ISEQ:
|
|
{
|
|
VALUE v = (VALUE)ibf_load_iseq(load, (const rb_iseq_t *)op);
|
|
code[code_index] = v;
|
|
if (!SPECIAL_CONST_P(v)) {
|
|
RB_OBJ_WRITTEN(iseq, Qundef, v);
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
}
|
|
break;
|
|
}
|
|
case TS_ISE:
|
|
FL_SET(iseq, ISEQ_MARKABLE_ISEQ);
|
|
case TS_IC:
|
|
code[code_index] = (VALUE)&is_entries[(int)op];
|
|
break;
|
|
case TS_CALLINFO:
|
|
code[code_index] = op ? (VALUE)ci_kw_entries++ : (VALUE)ci_entries++; /* op is Qtrue (kw) or Qfalse (!kw) */
|
|
break;
|
|
case TS_CALLCACHE:
|
|
code[code_index] = (VALUE)cc_entries++;
|
|
break;
|
|
case TS_ID:
|
|
code[code_index] = ibf_load_id(load, (ID)op);
|
|
break;
|
|
case TS_GENTRY:
|
|
code[code_index] = ibf_load_gentry(load, (const struct rb_global_entry *)op);
|
|
break;
|
|
case TS_FUNCPTR:
|
|
rb_raise(rb_eRuntimeError, "TS_FUNCPTR is not supported");
|
|
break;
|
|
default:
|
|
/* code[code_index] = op; */
|
|
continue;
|
|
}
|
|
}
|
|
if (insn_len(insn) != op_index+1) {
|
|
rb_raise(rb_eRuntimeError, "operand size mismatch");
|
|
}
|
|
}
|
|
load_body->iseq_size = code_index;
|
|
|
|
return code;
|
|
}
|
|
|
|
static VALUE *
|
|
ibf_dump_param_opt_table(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
int opt_num = iseq->body->param.opt_num;
|
|
|
|
if (opt_num > 0) {
|
|
return IBF_W(iseq->body->param.opt_table, VALUE, opt_num + 1);
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static VALUE *
|
|
ibf_load_param_opt_table(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
int opt_num = body->param.opt_num;
|
|
|
|
if (opt_num > 0) {
|
|
ibf_offset_t offset = IBF_OFFSET(body->param.opt_table);
|
|
VALUE *table = ALLOC_N(VALUE, opt_num+1);
|
|
MEMCPY(table, load->buff + offset, VALUE, opt_num+1);
|
|
return table;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static struct rb_iseq_param_keyword *
|
|
ibf_dump_param_keyword(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
const struct rb_iseq_param_keyword *kw = iseq->body->param.keyword;
|
|
|
|
if (kw) {
|
|
struct rb_iseq_param_keyword dump_kw = *kw;
|
|
int dv_num = kw->num - kw->required_num;
|
|
ID *ids = kw->num > 0 ? ALLOCA_N(ID, kw->num) : NULL;
|
|
VALUE *dvs = dv_num > 0 ? ALLOCA_N(VALUE, dv_num) : NULL;
|
|
int i;
|
|
|
|
for (i=0; i<kw->num; i++) ids[i] = (ID)ibf_dump_id(dump, kw->table[i]);
|
|
for (i=0; i<dv_num; i++) dvs[i] = (VALUE)ibf_dump_object(dump, kw->default_values[i]);
|
|
|
|
dump_kw.table = IBF_W(ids, ID, kw->num);
|
|
dump_kw.default_values = IBF_W(dvs, VALUE, dv_num);
|
|
return IBF_W(&dump_kw, struct rb_iseq_param_keyword, 1);
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static const struct rb_iseq_param_keyword *
|
|
ibf_load_param_keyword(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
if (body->param.keyword) {
|
|
struct rb_iseq_param_keyword *kw = IBF_R(body->param.keyword, struct rb_iseq_param_keyword, 1);
|
|
ID *ids = IBF_R(kw->table, ID, kw->num);
|
|
int dv_num = kw->num - kw->required_num;
|
|
VALUE *dvs = IBF_R(kw->default_values, VALUE, dv_num);
|
|
int i;
|
|
|
|
for (i=0; i<kw->num; i++) {
|
|
ids[i] = ibf_load_id(load, ids[i]);
|
|
}
|
|
for (i=0; i<dv_num; i++) {
|
|
dvs[i] = ibf_load_object(load, dvs[i]);
|
|
}
|
|
|
|
kw->table = ids;
|
|
kw->default_values = dvs;
|
|
return kw;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static struct iseq_insn_info_entry *
|
|
ibf_dump_insns_info_body(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
return IBF_W(iseq->body->insns_info.body, struct iseq_insn_info_entry, iseq->body->insns_info.size);
|
|
}
|
|
|
|
static struct iseq_insn_info_entry *
|
|
ibf_load_insns_info_body(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
return IBF_R(body->insns_info.body, struct iseq_insn_info_entry, body->insns_info.size);
|
|
}
|
|
|
|
static unsigned int *
|
|
ibf_dump_insns_info_positions(struct ibf_dump *dump, const struct rb_iseq_constant_body *body)
|
|
{
|
|
return IBF_W(body->insns_info.positions, unsigned int, body->insns_info.size);
|
|
}
|
|
|
|
static unsigned int *
|
|
ibf_load_insns_info_positions(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
return IBF_R(body->insns_info.positions, unsigned int, body->insns_info.size);
|
|
}
|
|
|
|
static ID *
|
|
ibf_dump_local_table(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
const struct rb_iseq_constant_body *const body = iseq->body;
|
|
const int size = body->local_table_size;
|
|
ID *table = ALLOCA_N(ID, size);
|
|
int i;
|
|
|
|
for (i=0; i<size; i++) {
|
|
table[i] = ibf_dump_id(dump, body->local_table[i]);
|
|
}
|
|
|
|
return IBF_W(table, ID, size);
|
|
}
|
|
|
|
static ID *
|
|
ibf_load_local_table(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
const int size = body->local_table_size;
|
|
|
|
if (size > 0) {
|
|
ID *table = IBF_R(body->local_table, ID, size);
|
|
int i;
|
|
|
|
for (i=0; i<size; i++) {
|
|
table[i] = ibf_load_id(load, table[i]);
|
|
}
|
|
return table;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static struct iseq_catch_table *
|
|
ibf_dump_catch_table(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
const struct iseq_catch_table *table = iseq->body->catch_table;
|
|
|
|
if (table) {
|
|
int byte_size = iseq_catch_table_bytes(iseq->body->catch_table->size);
|
|
struct iseq_catch_table *dump_table = (struct iseq_catch_table *)ALLOCA_N(char, byte_size);
|
|
unsigned int i;
|
|
dump_table->size = table->size;
|
|
for (i=0; i<table->size; i++) {
|
|
dump_table->entries[i] = table->entries[i];
|
|
dump_table->entries[i].iseq = ibf_dump_iseq(dump, table->entries[i].iseq);
|
|
}
|
|
return (struct iseq_catch_table *)(VALUE)ibf_dump_write(dump, dump_table, byte_size);
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static struct iseq_catch_table *
|
|
ibf_load_catch_table(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
if (body->catch_table) {
|
|
struct iseq_catch_table *table;
|
|
unsigned int i;
|
|
unsigned int size;
|
|
size = *(unsigned int *)(load->buff + IBF_OFFSET(body->catch_table));
|
|
table = ibf_load_alloc(load, IBF_OFFSET(body->catch_table), iseq_catch_table_bytes(size));
|
|
for (i=0; i<size; i++) {
|
|
table->entries[i].iseq = ibf_load_iseq(load, table->entries[i].iseq);
|
|
}
|
|
return table;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static struct rb_call_info *
|
|
ibf_dump_ci_entries(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
const struct rb_iseq_constant_body *const body = iseq->body;
|
|
const unsigned int ci_size = body->ci_size;
|
|
const unsigned int ci_kw_size = body->ci_kw_size;
|
|
const struct rb_call_info *ci_entries = body->ci_entries;
|
|
struct rb_call_info *dump_ci_entries;
|
|
struct rb_call_info_with_kwarg *dump_ci_kw_entries;
|
|
int byte_size = ci_size * sizeof(struct rb_call_info) +
|
|
ci_kw_size * sizeof(struct rb_call_info_with_kwarg);
|
|
unsigned int i;
|
|
|
|
dump_ci_entries = (struct rb_call_info *)ALLOCA_N(char, byte_size);
|
|
dump_ci_kw_entries = (struct rb_call_info_with_kwarg *)&dump_ci_entries[ci_size];
|
|
memcpy(dump_ci_entries, ci_entries, byte_size);
|
|
|
|
for (i=0; i<ci_size; i++) { /* conver ID for each ci */
|
|
dump_ci_entries[i].mid = ibf_dump_id(dump, dump_ci_entries[i].mid);
|
|
}
|
|
for (i=0; i<ci_kw_size; i++) {
|
|
const struct rb_call_info_kw_arg *kw_arg = dump_ci_kw_entries[i].kw_arg;
|
|
int j;
|
|
VALUE *keywords = ALLOCA_N(VALUE, kw_arg->keyword_len);
|
|
for (j=0; j<kw_arg->keyword_len; j++) {
|
|
keywords[j] = (VALUE)ibf_dump_object(dump, kw_arg->keywords[j]); /* kw_arg->keywords[n] is Symbol */
|
|
}
|
|
dump_ci_kw_entries[i].kw_arg = (struct rb_call_info_kw_arg *)(VALUE)ibf_dump_write(dump, &kw_arg->keyword_len, sizeof(int));
|
|
ibf_dump_write(dump, keywords, sizeof(VALUE) * kw_arg->keyword_len);
|
|
|
|
dump_ci_kw_entries[i].ci.mid = ibf_dump_id(dump, dump_ci_kw_entries[i].ci.mid);
|
|
}
|
|
return (struct rb_call_info *)(VALUE)ibf_dump_write(dump, dump_ci_entries, byte_size);
|
|
}
|
|
|
|
static struct rb_call_info *
|
|
ibf_load_ci_entries(const struct ibf_load *load, const struct rb_iseq_constant_body *body)
|
|
{
|
|
unsigned int i;
|
|
const unsigned int ci_size = body->ci_size;
|
|
const unsigned int ci_kw_size = body->ci_kw_size;
|
|
struct rb_call_info *ci_entries = ibf_load_alloc(load, IBF_OFFSET(body->ci_entries),
|
|
sizeof(struct rb_call_info) * body->ci_size +
|
|
sizeof(struct rb_call_info_with_kwarg) * body->ci_kw_size);
|
|
struct rb_call_info_with_kwarg *ci_kw_entries = (struct rb_call_info_with_kwarg *)&ci_entries[ci_size];
|
|
|
|
for (i=0; i<ci_size; i++) {
|
|
ci_entries[i].mid = ibf_load_id(load, ci_entries[i].mid);
|
|
}
|
|
for (i=0; i<ci_kw_size; i++) {
|
|
int j;
|
|
ibf_offset_t kw_arg_offset = IBF_OFFSET(ci_kw_entries[i].kw_arg);
|
|
const int keyword_len = *(int *)(load->buff + kw_arg_offset);
|
|
const VALUE *keywords = (VALUE *)(load->buff + kw_arg_offset + sizeof(int));
|
|
struct rb_call_info_kw_arg *kw_arg = ruby_xmalloc(sizeof(struct rb_call_info_kw_arg) + sizeof(VALUE) * (keyword_len - 1));
|
|
kw_arg->keyword_len = keyword_len;
|
|
for (j=0; j<kw_arg->keyword_len; j++) {
|
|
kw_arg->keywords[j] = (VALUE)ibf_load_object(load, keywords[j]);
|
|
}
|
|
ci_kw_entries[i].kw_arg = kw_arg;
|
|
ci_kw_entries[i].ci.mid = ibf_load_id(load, ci_kw_entries[i].ci.mid);
|
|
}
|
|
|
|
return ci_entries;
|
|
}
|
|
|
|
static ibf_offset_t
|
|
ibf_dump_iseq_each(struct ibf_dump *dump, const rb_iseq_t *iseq)
|
|
{
|
|
struct rb_iseq_constant_body dump_body;
|
|
#if VM_INSN_INFO_TABLE_IMPL == 2
|
|
unsigned int *positions;
|
|
#endif
|
|
dump_body = *iseq->body;
|
|
|
|
dump_body.location.pathobj = ibf_dump_object(dump, dump_body.location.pathobj); /* TODO: freeze */
|
|
dump_body.location.base_label = ibf_dump_object(dump, dump_body.location.base_label);
|
|
dump_body.location.label = ibf_dump_object(dump, dump_body.location.label);
|
|
|
|
dump_body.iseq_encoded = ibf_dump_code(dump, iseq);
|
|
dump_body.param.opt_table = ibf_dump_param_opt_table(dump, iseq);
|
|
dump_body.param.keyword = ibf_dump_param_keyword(dump, iseq);
|
|
dump_body.insns_info.body = ibf_dump_insns_info_body(dump, iseq);
|
|
#if VM_INSN_INFO_TABLE_IMPL == 2
|
|
positions = rb_iseq_insns_info_decode_positions(&dump_body);
|
|
dump_body.insns_info.positions = positions;
|
|
dump_body.insns_info.succ_index_table = 0;
|
|
#endif
|
|
dump_body.insns_info.positions = ibf_dump_insns_info_positions(dump, &dump_body);
|
|
#if VM_INSN_INFO_TABLE_IMPL == 2
|
|
ruby_xfree(positions);
|
|
#endif
|
|
dump_body.local_table = ibf_dump_local_table(dump, iseq);
|
|
dump_body.catch_table = ibf_dump_catch_table(dump, iseq);
|
|
dump_body.parent_iseq = ibf_dump_iseq(dump, iseq->body->parent_iseq);
|
|
dump_body.local_iseq = ibf_dump_iseq(dump, iseq->body->local_iseq);
|
|
dump_body.is_entries = NULL;
|
|
dump_body.ci_entries = ibf_dump_ci_entries(dump, iseq);
|
|
dump_body.cc_entries = NULL;
|
|
dump_body.variable.coverage = Qnil;
|
|
dump_body.variable.original_iseq = NULL;
|
|
|
|
IBF_W_ALIGN(struct rb_iseq_constant_body);
|
|
return IBF_WV(dump_body);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_location_str(const struct ibf_load *load, VALUE str_index)
|
|
{
|
|
VALUE str = ibf_load_object(load, str_index);
|
|
if (str != Qnil) {
|
|
str = rb_fstring(str);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
static void
|
|
ibf_load_iseq_each(const struct ibf_load *load, rb_iseq_t *iseq, ibf_offset_t offset)
|
|
{
|
|
struct rb_iseq_constant_body *load_body = iseq->body = ZALLOC(struct rb_iseq_constant_body);
|
|
const struct rb_iseq_constant_body *body = (struct rb_iseq_constant_body *)(load->buff + offset);
|
|
|
|
/* memcpy(load_body, load->buff + offset, sizeof(*load_body)); */
|
|
load_body->type = body->type;
|
|
load_body->stack_max = body->stack_max;
|
|
load_body->param = body->param;
|
|
load_body->param.flags.has_kw = FALSE;
|
|
load_body->local_table_size = body->local_table_size;
|
|
load_body->is_size = body->is_size;
|
|
load_body->ci_size = body->ci_size;
|
|
load_body->ci_kw_size = body->ci_kw_size;
|
|
load_body->insns_info.size = body->insns_info.size;
|
|
|
|
ISEQ_COVERAGE_SET(iseq, Qnil);
|
|
ISEQ_ORIGINAL_ISEQ_CLEAR(iseq);
|
|
iseq->body->variable.flip_count = body->variable.flip_count;
|
|
|
|
{
|
|
VALUE realpath = Qnil, path = ibf_load_object(load, body->location.pathobj);
|
|
if (RB_TYPE_P(path, T_STRING)) {
|
|
realpath = path = rb_fstring(path);
|
|
}
|
|
else if (RB_TYPE_P(path, T_ARRAY)) {
|
|
VALUE pathobj = path;
|
|
if (RARRAY_LEN(pathobj) != 2) {
|
|
rb_raise(rb_eRuntimeError, "path object size mismatch");
|
|
}
|
|
path = rb_fstring(RARRAY_AREF(pathobj, 0));
|
|
realpath = RARRAY_AREF(pathobj, 1);
|
|
if (!NIL_P(realpath)) {
|
|
if (!RB_TYPE_P(realpath, T_STRING)) {
|
|
rb_raise(rb_eArgError, "unexpected realpath %"PRIxVALUE
|
|
"(%x), path=%+"PRIsVALUE,
|
|
realpath, TYPE(realpath), path);
|
|
}
|
|
realpath = rb_fstring(realpath);
|
|
}
|
|
}
|
|
else {
|
|
rb_raise(rb_eRuntimeError, "unexpected path object");
|
|
}
|
|
rb_iseq_pathobj_set(iseq, path, realpath);
|
|
}
|
|
|
|
RB_OBJ_WRITE(iseq, &load_body->location.base_label, ibf_load_location_str(load, body->location.base_label));
|
|
RB_OBJ_WRITE(iseq, &load_body->location.label, ibf_load_location_str(load, body->location.label));
|
|
load_body->location.first_lineno = body->location.first_lineno;
|
|
load_body->location.node_id = body->location.node_id;
|
|
load_body->location.code_location = body->location.code_location;
|
|
load_body->catch_except_p = body->catch_except_p;
|
|
|
|
load_body->is_entries = ZALLOC_N(union iseq_inline_storage_entry, body->is_size);
|
|
load_body->ci_entries = ibf_load_ci_entries(load, body);
|
|
load_body->cc_entries = ZALLOC_N(struct rb_call_cache, body->ci_size + body->ci_kw_size);
|
|
load_body->param.opt_table = ibf_load_param_opt_table(load, body);
|
|
load_body->param.keyword = ibf_load_param_keyword(load, body);
|
|
load_body->param.flags.has_kw = body->param.flags.has_kw;
|
|
load_body->insns_info.body = ibf_load_insns_info_body(load, body);
|
|
load_body->insns_info.positions = ibf_load_insns_info_positions(load, body);
|
|
load_body->local_table = ibf_load_local_table(load, body);
|
|
load_body->catch_table = ibf_load_catch_table(load, body);
|
|
load_body->parent_iseq = ibf_load_iseq(load, body->parent_iseq);
|
|
load_body->local_iseq = ibf_load_iseq(load, body->local_iseq);
|
|
|
|
ibf_load_code(load, iseq, body);
|
|
#if VM_INSN_INFO_TABLE_IMPL == 2
|
|
rb_iseq_insns_info_encode_positions(iseq);
|
|
#endif
|
|
|
|
rb_iseq_translate_threaded_code(iseq);
|
|
}
|
|
|
|
|
|
static void
|
|
ibf_dump_iseq_list(struct ibf_dump *dump, struct ibf_header *header)
|
|
{
|
|
const long size = RARRAY_LEN(dump->iseq_list);
|
|
ibf_offset_t *list = ALLOCA_N(ibf_offset_t, size);
|
|
long i;
|
|
|
|
for (i=0; i<size; i++) {
|
|
list[i] = (ibf_offset_t)NUM2LONG(rb_ary_entry(dump->iseq_list, i));
|
|
}
|
|
|
|
ibf_dump_align(dump, sizeof(ibf_offset_t));
|
|
header->iseq_list_offset = ibf_dump_write(dump, list, sizeof(ibf_offset_t) * size);
|
|
header->iseq_list_size = (unsigned int)size;
|
|
}
|
|
|
|
struct ibf_dump_id_list_i_arg {
|
|
struct ibf_dump *dump;
|
|
long *list;
|
|
int current_i;
|
|
};
|
|
|
|
static int
|
|
ibf_dump_id_list_i(st_data_t key, st_data_t val, st_data_t ptr)
|
|
{
|
|
struct ibf_dump_id_list_i_arg *arg = (struct ibf_dump_id_list_i_arg *)ptr;
|
|
int i = (int)val;
|
|
ID id = (ID)key;
|
|
assert(arg->current_i == i);
|
|
arg->current_i++;
|
|
|
|
if (rb_id2name(id)) {
|
|
arg->list[i] = (long)ibf_dump_object(arg->dump, rb_id2str(id));
|
|
}
|
|
else {
|
|
arg->list[i] = 0;
|
|
}
|
|
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_id_list(struct ibf_dump *dump, struct ibf_header *header)
|
|
{
|
|
const long size = dump->id_table->num_entries;
|
|
struct ibf_dump_id_list_i_arg arg;
|
|
arg.list = ALLOCA_N(long, size);
|
|
arg.dump = dump;
|
|
arg.current_i = 0;
|
|
|
|
st_foreach(dump->id_table, ibf_dump_id_list_i, (st_data_t)&arg);
|
|
|
|
ibf_dump_align(dump, sizeof(long));
|
|
header->id_list_offset = ibf_dump_write(dump, arg.list, sizeof(long) * size);
|
|
header->id_list_size = (unsigned int)size;
|
|
}
|
|
|
|
#define IBF_OBJECT_INTERNAL FL_PROMOTED0
|
|
|
|
/*
|
|
* Binary format
|
|
* - ibf_object_header
|
|
* - ibf_object_xxx (xxx is type)
|
|
*/
|
|
|
|
struct ibf_object_header {
|
|
unsigned int type: 5;
|
|
unsigned int special_const: 1;
|
|
unsigned int frozen: 1;
|
|
unsigned int internal: 1;
|
|
};
|
|
static const size_t ibf_object_header_align =
|
|
RUBY_ALIGNOF(struct ibf_object_header);
|
|
|
|
enum ibf_object_class_index {
|
|
IBF_OBJECT_CLASS_OBJECT,
|
|
IBF_OBJECT_CLASS_ARRAY,
|
|
IBF_OBJECT_CLASS_STANDARD_ERROR
|
|
};
|
|
|
|
struct ibf_object_string {
|
|
long encindex;
|
|
long len;
|
|
char ptr[FLEX_ARY_LEN];
|
|
};
|
|
|
|
struct ibf_object_regexp {
|
|
long srcstr;
|
|
char option;
|
|
};
|
|
|
|
struct ibf_object_array {
|
|
long len;
|
|
long ary[FLEX_ARY_LEN];
|
|
};
|
|
|
|
struct ibf_object_hash {
|
|
long len;
|
|
long keyval[FLEX_ARY_LEN];
|
|
};
|
|
|
|
struct ibf_object_struct_range {
|
|
long class_index;
|
|
long len;
|
|
long beg;
|
|
long end;
|
|
int excl;
|
|
};
|
|
|
|
struct ibf_object_bignum {
|
|
ssize_t slen;
|
|
BDIGIT digits[FLEX_ARY_LEN];
|
|
};
|
|
|
|
enum ibf_object_data_type {
|
|
IBF_OBJECT_DATA_ENCODING
|
|
};
|
|
|
|
struct ibf_object_complex_rational {
|
|
long a, b;
|
|
};
|
|
|
|
struct ibf_object_symbol {
|
|
long str;
|
|
};
|
|
|
|
#define IBF_ALIGNED_OFFSET(align, offset) /* offset > 0 */ \
|
|
((((offset) - 1) / (align) + 1) * (align))
|
|
#define IBF_OBJHEADER(offset) (const struct ibf_object_header *)\
|
|
ibf_load_check_offset(load, IBF_ALIGNED_OFFSET(ibf_object_header_align, offset))
|
|
#define IBF_OBJBODY(type, offset) (const type *)\
|
|
ibf_load_check_offset(load, IBF_ALIGNED_OFFSET(RUBY_ALIGNOF(type), offset))
|
|
|
|
static const void *
|
|
ibf_load_check_offset(const struct ibf_load *load, size_t offset)
|
|
{
|
|
if (offset >= (size_t)RSTRING_LEN(load->str)) {
|
|
rb_raise(rb_eIndexError, "object offset out of range: %"PRIdSIZE, offset);
|
|
}
|
|
return load->buff + offset;
|
|
}
|
|
|
|
NORETURN(static void ibf_dump_object_unsupported(struct ibf_dump *dump, VALUE obj));
|
|
|
|
static void
|
|
ibf_dump_object_unsupported(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
char buff[0x100];
|
|
rb_raw_obj_info(buff, sizeof(buff), obj);
|
|
rb_raise(rb_eNotImpError, "ibf_dump_object_unsupported: %s", buff);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_unsupported(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
rb_raise(rb_eArgError, "unsupported");
|
|
return Qnil;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_class(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
enum ibf_object_class_index cindex;
|
|
if (obj == rb_cObject) {
|
|
cindex = IBF_OBJECT_CLASS_OBJECT;
|
|
}
|
|
else if (obj == rb_cArray) {
|
|
cindex = IBF_OBJECT_CLASS_ARRAY;
|
|
}
|
|
else if (obj == rb_eStandardError) {
|
|
cindex = IBF_OBJECT_CLASS_STANDARD_ERROR;
|
|
}
|
|
else {
|
|
rb_obj_info_dump(obj);
|
|
rb_p(obj);
|
|
rb_bug("unsupported class");
|
|
}
|
|
ibf_dump_write(dump, &cindex, sizeof(cindex));
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_class(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const enum ibf_object_class_index *cindexp = IBF_OBJBODY(enum ibf_object_class_index, offset);
|
|
enum ibf_object_class_index cindex = *cindexp;
|
|
|
|
switch (cindex) {
|
|
case IBF_OBJECT_CLASS_OBJECT:
|
|
return rb_cObject;
|
|
case IBF_OBJECT_CLASS_ARRAY:
|
|
return rb_cArray;
|
|
case IBF_OBJECT_CLASS_STANDARD_ERROR:
|
|
return rb_eStandardError;
|
|
}
|
|
|
|
rb_raise(rb_eArgError, "ibf_load_object_class: unknown class (%d)", (int)cindex);
|
|
}
|
|
|
|
|
|
static void
|
|
ibf_dump_object_float(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
double dbl = RFLOAT_VALUE(obj);
|
|
(void)IBF_W(&dbl, double, 1);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_float(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const double *dblp = IBF_OBJBODY(double, offset);
|
|
return DBL2NUM(*dblp);
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_string(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
long encindex = (long)rb_enc_get_index(obj);
|
|
long len = RSTRING_LEN(obj);
|
|
const char *ptr = RSTRING_PTR(obj);
|
|
long buff[2];
|
|
|
|
if (encindex > RUBY_ENCINDEX_BUILTIN_MAX) {
|
|
rb_encoding *enc = rb_enc_from_index((int)encindex);
|
|
const char *enc_name = rb_enc_name(enc);
|
|
encindex = RUBY_ENCINDEX_BUILTIN_MAX + ibf_dump_object(dump, rb_str_new2(enc_name));
|
|
}
|
|
|
|
buff[0] = encindex;
|
|
buff[1] = len;
|
|
(void)IBF_W(buff, long, 2);
|
|
IBF_WP(ptr, char, len);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_string(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_string *string = IBF_OBJBODY(struct ibf_object_string, offset);
|
|
VALUE str = rb_str_new(string->ptr, string->len);
|
|
int encindex = (int)string->encindex;
|
|
|
|
if (encindex > RUBY_ENCINDEX_BUILTIN_MAX) {
|
|
VALUE enc_name_str = ibf_load_object(load, encindex - RUBY_ENCINDEX_BUILTIN_MAX);
|
|
encindex = rb_enc_find_index(RSTRING_PTR(enc_name_str));
|
|
}
|
|
rb_enc_associate_index(str, encindex);
|
|
|
|
if (header->internal) rb_obj_hide(str);
|
|
if (header->frozen) str = rb_fstring(str);
|
|
|
|
return str;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_regexp(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
struct ibf_object_regexp regexp;
|
|
VALUE srcstr = RREGEXP_SRC(obj);
|
|
IBF_ZERO(regexp);
|
|
regexp.option = (char)rb_reg_options(obj);
|
|
regexp.srcstr = (long)ibf_dump_object(dump, srcstr);
|
|
(void)IBF_W(®exp, struct ibf_object_regexp, 1);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_regexp(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_regexp *regexp = IBF_OBJBODY(struct ibf_object_regexp, offset);
|
|
VALUE srcstr = ibf_load_object(load, regexp->srcstr);
|
|
VALUE reg = rb_reg_compile(srcstr, (int)regexp->option, NULL, 0);
|
|
|
|
if (header->internal) rb_obj_hide(reg);
|
|
if (header->frozen) rb_obj_freeze(reg);
|
|
|
|
return reg;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_array(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
long i, len = (int)RARRAY_LEN(obj);
|
|
(void)IBF_W(&len, long, 1);
|
|
for (i=0; i<len; i++) {
|
|
long index = (long)ibf_dump_object(dump, RARRAY_AREF(obj, i));
|
|
IBF_WV(index);
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_array(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_array *array = IBF_OBJBODY(struct ibf_object_array, offset);
|
|
VALUE ary = rb_ary_new_capa(array->len);
|
|
int i;
|
|
|
|
for (i=0; i<array->len; i++) {
|
|
rb_ary_push(ary, ibf_load_object(load, array->ary[i]));
|
|
}
|
|
|
|
if (header->internal) rb_obj_hide(ary);
|
|
if (header->frozen) rb_obj_freeze(ary);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static int
|
|
ibf_dump_object_hash_i(st_data_t key, st_data_t val, st_data_t ptr)
|
|
{
|
|
struct ibf_dump *dump = (struct ibf_dump *)ptr;
|
|
long keyval[2];
|
|
keyval[0] = (long)ibf_dump_object(dump, (VALUE)key);
|
|
keyval[1] = (long)ibf_dump_object(dump, (VALUE)val);
|
|
(void)IBF_W(keyval, long, 2);
|
|
return ST_CONTINUE;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_hash(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
long len = RHASH_SIZE(obj);
|
|
(void)IBF_W(&len, long, 1);
|
|
if (len > 0) rb_hash_foreach(obj, ibf_dump_object_hash_i, (VALUE)dump);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_hash(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_hash *hash = IBF_OBJBODY(struct ibf_object_hash, offset);
|
|
VALUE obj = rb_hash_new_with_size(hash->len);
|
|
int i;
|
|
|
|
for (i=0; i<hash->len; i++) {
|
|
VALUE key = ibf_load_object(load, hash->keyval[i*2 ]);
|
|
VALUE val = ibf_load_object(load, hash->keyval[i*2+1]);
|
|
rb_hash_aset(obj, key, val);
|
|
}
|
|
rb_hash_rehash(obj);
|
|
|
|
if (header->internal) rb_obj_hide(obj);
|
|
if (header->frozen) rb_obj_freeze(obj);
|
|
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_struct(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
if (rb_obj_is_kind_of(obj, rb_cRange)) {
|
|
struct ibf_object_struct_range range;
|
|
VALUE beg, end;
|
|
IBF_ZERO(range);
|
|
range.len = 3;
|
|
range.class_index = 0;
|
|
|
|
rb_range_values(obj, &beg, &end, &range.excl);
|
|
range.beg = (long)ibf_dump_object(dump, beg);
|
|
range.end = (long)ibf_dump_object(dump, end);
|
|
|
|
IBF_W_ALIGN(struct ibf_object_struct_range);
|
|
IBF_WV(range);
|
|
}
|
|
else {
|
|
rb_raise(rb_eNotImpError, "ibf_dump_object_struct: unsupported class %"PRIsVALUE,
|
|
rb_class_name(CLASS_OF(obj)));
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_struct(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_struct_range *range = IBF_OBJBODY(struct ibf_object_struct_range, offset);
|
|
VALUE beg = ibf_load_object(load, range->beg);
|
|
VALUE end = ibf_load_object(load, range->end);
|
|
VALUE obj = rb_range_new(beg, end, range->excl);
|
|
if (header->internal) rb_obj_hide(obj);
|
|
if (header->frozen) rb_obj_freeze(obj);
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_bignum(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
ssize_t len = BIGNUM_LEN(obj);
|
|
ssize_t slen = BIGNUM_SIGN(obj) > 0 ? len : len * -1;
|
|
BDIGIT *d = BIGNUM_DIGITS(obj);
|
|
|
|
(void)IBF_W(&slen, ssize_t, 1);
|
|
IBF_WP(d, BDIGIT, len);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_bignum(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_bignum *bignum = IBF_OBJBODY(struct ibf_object_bignum, offset);
|
|
int sign = bignum->slen > 0;
|
|
ssize_t len = sign > 0 ? bignum->slen : -1 * bignum->slen;
|
|
VALUE obj = rb_integer_unpack(bignum->digits, len * 2, 2, 0,
|
|
INTEGER_PACK_LITTLE_ENDIAN | (sign == 0 ? INTEGER_PACK_NEGATIVE : 0));
|
|
if (header->internal) rb_obj_hide(obj);
|
|
if (header->frozen) rb_obj_freeze(obj);
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_data(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
if (rb_data_is_encoding(obj)) {
|
|
rb_encoding *enc = rb_to_encoding(obj);
|
|
const char *name = rb_enc_name(enc);
|
|
long len = strlen(name) + 1;
|
|
long data[2];
|
|
data[0] = IBF_OBJECT_DATA_ENCODING;
|
|
data[1] = len;
|
|
(void)IBF_W(data, long, 2);
|
|
IBF_WP(name, char, len);
|
|
}
|
|
else {
|
|
ibf_dump_object_unsupported(dump, obj);
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_data(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const long *body = IBF_OBJBODY(long, offset);
|
|
const enum ibf_object_data_type type = (enum ibf_object_data_type)body[0];
|
|
/* const long len = body[1]; */
|
|
const char *data = (const char *)&body[2];
|
|
|
|
switch (type) {
|
|
case IBF_OBJECT_DATA_ENCODING:
|
|
{
|
|
VALUE encobj = rb_enc_from_encoding(rb_enc_find(data));
|
|
return encobj;
|
|
}
|
|
}
|
|
|
|
return ibf_load_object_unsupported(load, header, offset);
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_complex_rational(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
long data[2];
|
|
data[0] = (long)ibf_dump_object(dump, RCOMPLEX(obj)->real);
|
|
data[1] = (long)ibf_dump_object(dump, RCOMPLEX(obj)->imag);
|
|
|
|
(void)IBF_W(data, long, 2);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_complex_rational(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
const struct ibf_object_complex_rational *nums = IBF_OBJBODY(struct ibf_object_complex_rational, offset);
|
|
VALUE a = ibf_load_object(load, nums->a);
|
|
VALUE b = ibf_load_object(load, nums->b);
|
|
VALUE obj = header->type == T_COMPLEX ?
|
|
rb_complex_new(a, b) : rb_rational_new(a, b);
|
|
|
|
if (header->internal) rb_obj_hide(obj);
|
|
if (header->frozen) rb_obj_freeze(obj);
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_symbol(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
VALUE str = rb_sym2str(obj);
|
|
long str_index = (long)ibf_dump_object(dump, str);
|
|
(void)IBF_W(&str_index, long, 1);
|
|
}
|
|
|
|
static VALUE
|
|
ibf_load_object_symbol(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t offset)
|
|
{
|
|
/* const struct ibf_object_header *header = IBF_OBJHEADER(offset); */
|
|
const struct ibf_object_symbol *symbol = IBF_OBJBODY(struct ibf_object_symbol, offset);
|
|
VALUE str = ibf_load_object(load, symbol->str);
|
|
ID id = rb_intern_str(str);
|
|
return ID2SYM(id);
|
|
}
|
|
|
|
typedef void (*ibf_dump_object_function)(struct ibf_dump *dump, VALUE obj);
|
|
static ibf_dump_object_function dump_object_functions[RUBY_T_MASK+1] = {
|
|
ibf_dump_object_unsupported, /* T_NONE */
|
|
ibf_dump_object_unsupported, /* T_OBJECT */
|
|
ibf_dump_object_class, /* T_CLASS */
|
|
ibf_dump_object_unsupported, /* T_MODULE */
|
|
ibf_dump_object_float, /* T_FLOAT */
|
|
ibf_dump_object_string, /* T_STRING */
|
|
ibf_dump_object_regexp, /* T_REGEXP */
|
|
ibf_dump_object_array, /* T_ARRAY */
|
|
ibf_dump_object_hash, /* T_HASH */
|
|
ibf_dump_object_struct, /* T_STRUCT */
|
|
ibf_dump_object_bignum, /* T_BIGNUM */
|
|
ibf_dump_object_unsupported, /* T_FILE */
|
|
ibf_dump_object_data, /* T_DATA */
|
|
ibf_dump_object_unsupported, /* T_MATCH */
|
|
ibf_dump_object_complex_rational, /* T_COMPLEX */
|
|
ibf_dump_object_complex_rational, /* T_RATIONAL */
|
|
ibf_dump_object_unsupported, /* 0x10 */
|
|
ibf_dump_object_unsupported, /* 0x11 T_NIL */
|
|
ibf_dump_object_unsupported, /* 0x12 T_TRUE */
|
|
ibf_dump_object_unsupported, /* 0x13 T_FALSE */
|
|
ibf_dump_object_symbol, /* 0x14 T_SYMBOL */
|
|
ibf_dump_object_unsupported, /* T_FIXNUM */
|
|
ibf_dump_object_unsupported, /* T_UNDEF */
|
|
ibf_dump_object_unsupported, /* 0x17 */
|
|
ibf_dump_object_unsupported, /* 0x18 */
|
|
ibf_dump_object_unsupported, /* 0x19 */
|
|
ibf_dump_object_unsupported, /* T_IMEMO 0x1a */
|
|
ibf_dump_object_unsupported, /* T_NODE 0x1b */
|
|
ibf_dump_object_unsupported, /* T_ICLASS 0x1c */
|
|
ibf_dump_object_unsupported, /* T_ZOMBIE 0x1d */
|
|
ibf_dump_object_unsupported, /* 0x1e */
|
|
ibf_dump_object_unsupported, /* 0x1f */
|
|
};
|
|
|
|
static ibf_offset_t
|
|
ibf_dump_object_object(struct ibf_dump *dump, VALUE obj)
|
|
{
|
|
struct ibf_object_header obj_header;
|
|
ibf_offset_t current_offset;
|
|
IBF_ZERO(obj_header);
|
|
obj_header.type = TYPE(obj);
|
|
|
|
IBF_W_ALIGN(ibf_offset_t);
|
|
current_offset = ibf_dump_pos(dump);
|
|
|
|
if (SPECIAL_CONST_P(obj)) {
|
|
if (RB_TYPE_P(obj, T_SYMBOL) ||
|
|
RB_TYPE_P(obj, T_FLOAT)) {
|
|
obj_header.internal = FALSE;
|
|
goto dump_object;
|
|
}
|
|
obj_header.special_const = TRUE;
|
|
obj_header.frozen = TRUE;
|
|
obj_header.internal = TRUE;
|
|
IBF_WV(obj_header);
|
|
(void)IBF_W(&obj, VALUE, 1);
|
|
}
|
|
else {
|
|
obj_header.internal = (RBASIC_CLASS(obj) == 0) ? TRUE : FALSE;
|
|
dump_object:
|
|
obj_header.special_const = FALSE;
|
|
obj_header.frozen = FL_TEST(obj, FL_FREEZE) ? TRUE : FALSE;
|
|
IBF_WV(obj_header);
|
|
(*dump_object_functions[obj_header.type])(dump, obj);
|
|
}
|
|
|
|
return current_offset;
|
|
}
|
|
|
|
typedef VALUE (*ibf_load_object_function)(const struct ibf_load *load, const struct ibf_object_header *header, ibf_offset_t);
|
|
static ibf_load_object_function load_object_functions[RUBY_T_MASK+1] = {
|
|
ibf_load_object_unsupported, /* T_NONE */
|
|
ibf_load_object_unsupported, /* T_OBJECT */
|
|
ibf_load_object_class, /* T_CLASS */
|
|
ibf_load_object_unsupported, /* T_MODULE */
|
|
ibf_load_object_float, /* T_FLOAT */
|
|
ibf_load_object_string, /* T_STRING */
|
|
ibf_load_object_regexp, /* T_REGEXP */
|
|
ibf_load_object_array, /* T_ARRAY */
|
|
ibf_load_object_hash, /* T_HASH */
|
|
ibf_load_object_struct, /* T_STRUCT */
|
|
ibf_load_object_bignum, /* T_BIGNUM */
|
|
ibf_load_object_unsupported, /* T_FILE */
|
|
ibf_load_object_data, /* T_DATA */
|
|
ibf_load_object_unsupported, /* T_MATCH */
|
|
ibf_load_object_complex_rational, /* T_COMPLEX */
|
|
ibf_load_object_complex_rational, /* T_RATIONAL */
|
|
ibf_load_object_unsupported, /* 0x10 */
|
|
ibf_load_object_unsupported, /* T_NIL */
|
|
ibf_load_object_unsupported, /* T_TRUE */
|
|
ibf_load_object_unsupported, /* T_FALSE */
|
|
ibf_load_object_symbol,
|
|
ibf_load_object_unsupported, /* T_FIXNUM */
|
|
ibf_load_object_unsupported, /* T_UNDEF */
|
|
ibf_load_object_unsupported, /* 0x17 */
|
|
ibf_load_object_unsupported, /* 0x18 */
|
|
ibf_load_object_unsupported, /* 0x19 */
|
|
ibf_load_object_unsupported, /* T_IMEMO 0x1a */
|
|
ibf_load_object_unsupported, /* T_NODE 0x1b */
|
|
ibf_load_object_unsupported, /* T_ICLASS 0x1c */
|
|
ibf_load_object_unsupported, /* T_ZOMBIE 0x1d */
|
|
ibf_load_object_unsupported, /* 0x1e */
|
|
ibf_load_object_unsupported, /* 0x1f */
|
|
};
|
|
|
|
static VALUE
|
|
ibf_load_object(const struct ibf_load *load, VALUE object_index)
|
|
{
|
|
if (object_index == 0) {
|
|
return Qnil;
|
|
}
|
|
else if (object_index >= load->header->object_list_size) {
|
|
rb_raise(rb_eIndexError, "object index out of range: %"PRIdVALUE, object_index);
|
|
}
|
|
else {
|
|
VALUE obj = rb_ary_entry(load->obj_list, (long)object_index);
|
|
if (obj == Qnil) { /* TODO: avoid multiple Qnil load */
|
|
ibf_offset_t *offsets = (ibf_offset_t *)(load->header->object_list_offset + load->buff);
|
|
ibf_offset_t offset = offsets[object_index];
|
|
const struct ibf_object_header *header = IBF_OBJHEADER(offset);
|
|
size_t value_offset;
|
|
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_object: list=%#x offsets=%p offset=%#x\n",
|
|
load->header->object_list_offset, offsets, offset);
|
|
fprintf(stderr, "ibf_load_object: type=%#x special=%d frozen=%d internal=%d\n",
|
|
header->type, header->special_const, header->frozen, header->internal);
|
|
#endif
|
|
value_offset = (const char *)(header + 1) - load->buff;
|
|
if (value_offset >= (size_t)RSTRING_LEN(load->str)) {
|
|
rb_raise(rb_eIndexError, "object offset out of range: %"PRIdSIZE, value_offset);
|
|
}
|
|
offset = (ibf_offset_t)value_offset;
|
|
|
|
if (header->special_const) {
|
|
const VALUE *vp = IBF_OBJBODY(VALUE, offset);
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_object: vp=%p\n", vp);
|
|
#endif
|
|
obj = *vp;
|
|
}
|
|
else {
|
|
obj = (*load_object_functions[header->type])(load, header, offset);
|
|
}
|
|
|
|
rb_ary_store(load->obj_list, (long)object_index, obj);
|
|
}
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_object: index=%#"PRIxVALUE" obj=%#"PRIxVALUE"\n",
|
|
object_index, obj);
|
|
#endif
|
|
return obj;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ibf_dump_object_list(struct ibf_dump *dump, struct ibf_header *header)
|
|
{
|
|
VALUE list = rb_ary_tmp_new(RARRAY_LEN(dump->obj_list));
|
|
int i, size;
|
|
|
|
for (i=0; i<RARRAY_LEN(dump->obj_list); i++) {
|
|
VALUE obj = RARRAY_AREF(dump->obj_list, i);
|
|
ibf_offset_t offset = ibf_dump_object_object(dump, obj);
|
|
rb_ary_push(list, UINT2NUM(offset));
|
|
}
|
|
size = i;
|
|
IBF_W_ALIGN(ibf_offset_t);
|
|
header->object_list_offset = ibf_dump_pos(dump);
|
|
|
|
for (i=0; i<size; i++) {
|
|
ibf_offset_t offset = NUM2UINT(RARRAY_AREF(list, i));
|
|
IBF_WV(offset);
|
|
}
|
|
|
|
header->object_list_size = size;
|
|
}
|
|
|
|
static void
|
|
ibf_dump_mark(void *ptr)
|
|
{
|
|
struct ibf_dump *dump = (struct ibf_dump *)ptr;
|
|
rb_gc_mark(dump->str);
|
|
rb_gc_mark(dump->iseq_list);
|
|
rb_gc_mark(dump->obj_list);
|
|
}
|
|
|
|
static void
|
|
ibf_dump_free(void *ptr)
|
|
{
|
|
struct ibf_dump *dump = (struct ibf_dump *)ptr;
|
|
if (dump->iseq_table) {
|
|
st_free_table(dump->iseq_table);
|
|
dump->iseq_table = 0;
|
|
}
|
|
if (dump->id_table) {
|
|
st_free_table(dump->id_table);
|
|
dump->id_table = 0;
|
|
}
|
|
ruby_xfree(dump);
|
|
}
|
|
|
|
static size_t
|
|
ibf_dump_memsize(const void *ptr)
|
|
{
|
|
struct ibf_dump *dump = (struct ibf_dump *)ptr;
|
|
size_t size = sizeof(*dump);
|
|
if (dump->iseq_table) size += st_memsize(dump->iseq_table);
|
|
if (dump->id_table) size += st_memsize(dump->id_table);
|
|
return size;
|
|
}
|
|
|
|
static const rb_data_type_t ibf_dump_type = {
|
|
"ibf_dump",
|
|
{ibf_dump_mark, ibf_dump_free, ibf_dump_memsize,},
|
|
0, 0, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY
|
|
};
|
|
|
|
static void
|
|
ibf_dump_setup(struct ibf_dump *dump, VALUE dumper_obj)
|
|
{
|
|
RB_OBJ_WRITE(dumper_obj, &dump->str, rb_str_new(0, 0));
|
|
RB_OBJ_WRITE(dumper_obj, &dump->iseq_list, rb_ary_tmp_new(0));
|
|
RB_OBJ_WRITE(dumper_obj, &dump->obj_list, rb_ary_tmp_new(1));
|
|
rb_ary_push(dump->obj_list, Qnil); /* 0th is nil */
|
|
dump->iseq_table = st_init_numtable(); /* need free */
|
|
dump->id_table = st_init_numtable(); /* need free */
|
|
|
|
ibf_table_index(dump->id_table, 0); /* id_index:0 is 0 */
|
|
}
|
|
|
|
VALUE
|
|
rb_iseq_ibf_dump(const rb_iseq_t *iseq, VALUE opt)
|
|
{
|
|
struct ibf_dump *dump;
|
|
struct ibf_header header = {{0}};
|
|
VALUE dump_obj;
|
|
VALUE str;
|
|
|
|
if (iseq->body->parent_iseq != NULL ||
|
|
iseq->body->local_iseq != iseq) {
|
|
rb_raise(rb_eRuntimeError, "should be top of iseq");
|
|
}
|
|
if (RTEST(ISEQ_COVERAGE(iseq))) {
|
|
rb_raise(rb_eRuntimeError, "should not compile with coverage");
|
|
}
|
|
|
|
dump_obj = TypedData_Make_Struct(0, struct ibf_dump, &ibf_dump_type, dump);
|
|
ibf_dump_setup(dump, dump_obj);
|
|
|
|
ibf_dump_write(dump, &header, sizeof(header));
|
|
ibf_dump_write(dump, RUBY_PLATFORM, strlen(RUBY_PLATFORM) + 1);
|
|
ibf_dump_iseq(dump, iseq);
|
|
|
|
header.magic[0] = 'Y'; /* YARB */
|
|
header.magic[1] = 'A';
|
|
header.magic[2] = 'R';
|
|
header.magic[3] = 'B';
|
|
header.major_version = ISEQ_MAJOR_VERSION;
|
|
header.minor_version = ISEQ_MINOR_VERSION;
|
|
ibf_dump_iseq_list(dump, &header);
|
|
ibf_dump_id_list(dump, &header);
|
|
ibf_dump_object_list(dump, &header);
|
|
header.size = ibf_dump_pos(dump);
|
|
|
|
if (RTEST(opt)) {
|
|
VALUE opt_str = opt;
|
|
const char *ptr = StringValuePtr(opt_str);
|
|
header.extra_size = RSTRING_LENINT(opt_str);
|
|
ibf_dump_write(dump, ptr, header.extra_size);
|
|
}
|
|
else {
|
|
header.extra_size = 0;
|
|
}
|
|
|
|
ibf_dump_overwrite(dump, &header, sizeof(header), 0);
|
|
|
|
str = dump->str;
|
|
ibf_dump_free(dump);
|
|
DATA_PTR(dump_obj) = NULL;
|
|
RB_GC_GUARD(dump_obj);
|
|
return str;
|
|
}
|
|
|
|
static const ibf_offset_t *
|
|
ibf_iseq_list(const struct ibf_load *load)
|
|
{
|
|
return (ibf_offset_t *)(load->buff + load->header->iseq_list_offset);
|
|
}
|
|
|
|
void
|
|
rb_ibf_load_iseq_complete(rb_iseq_t *iseq)
|
|
{
|
|
struct ibf_load *load = RTYPEDDATA_DATA(iseq->aux.loader.obj);
|
|
rb_iseq_t *prev_src_iseq = load->iseq;
|
|
const ibf_offset_t offset = ibf_iseq_list(load)[iseq->aux.loader.index];
|
|
load->iseq = iseq;
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "rb_ibf_load_iseq_complete: index=%#x offset=%#x size=%#x\n",
|
|
iseq->aux.loader.index, offset,
|
|
load->header->size);
|
|
#endif
|
|
if (offset % sizeof(VALUE)) {
|
|
rb_raise(rb_eArgError, "unaligned iseq offset: %#x @ %u",
|
|
offset, iseq->aux.loader.index);
|
|
}
|
|
ibf_load_iseq_each(load, iseq, offset);
|
|
ISEQ_COMPILE_DATA_CLEAR(iseq);
|
|
FL_UNSET(iseq, ISEQ_NOT_LOADED_YET);
|
|
rb_iseq_init_trace(iseq);
|
|
load->iseq = prev_src_iseq;
|
|
}
|
|
|
|
#if USE_LAZY_LOAD
|
|
const rb_iseq_t *
|
|
rb_iseq_complete(const rb_iseq_t *iseq)
|
|
{
|
|
rb_ibf_load_iseq_complete((rb_iseq_t *)iseq);
|
|
return iseq;
|
|
}
|
|
#endif
|
|
|
|
static rb_iseq_t *
|
|
ibf_load_iseq(const struct ibf_load *load, const rb_iseq_t *index_iseq)
|
|
{
|
|
int iseq_index = (int)(VALUE)index_iseq;
|
|
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: index_iseq=%p iseq_list=%p\n",
|
|
index_iseq, (void *)load->iseq_list);
|
|
#endif
|
|
if (iseq_index == -1) {
|
|
return NULL;
|
|
}
|
|
else {
|
|
VALUE iseqv = rb_ary_entry(load->iseq_list, iseq_index);
|
|
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: iseqv=%p\n", (void *)iseqv);
|
|
#endif
|
|
if (iseqv != Qnil) {
|
|
return (rb_iseq_t *)iseqv;
|
|
}
|
|
else {
|
|
rb_iseq_t *iseq = iseq_imemo_alloc();
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: new iseq=%p\n", iseq);
|
|
#endif
|
|
FL_SET(iseq, ISEQ_NOT_LOADED_YET);
|
|
iseq->aux.loader.obj = load->loader_obj;
|
|
iseq->aux.loader.index = iseq_index;
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: iseq=%p loader_obj=%p index=%d\n",
|
|
iseq, (void *)load->loader_obj, iseq_index);
|
|
#endif
|
|
rb_ary_store(load->iseq_list, iseq_index, (VALUE)iseq);
|
|
|
|
#if !USE_LAZY_LOAD
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: loading iseq=%p\n", iseq);
|
|
#endif
|
|
rb_ibf_load_iseq_complete(iseq);
|
|
#endif /* !USE_LAZY_LOAD */
|
|
|
|
#if IBF_ISEQ_DEBUG
|
|
fprintf(stderr, "ibf_load_iseq: iseq=%p loaded %p\n",
|
|
iseq, load->iseq);
|
|
#endif
|
|
return iseq;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ibf_load_setup(struct ibf_load *load, VALUE loader_obj, VALUE str)
|
|
{
|
|
rb_check_safe_obj(str);
|
|
|
|
if (RSTRING_LENINT(str) < (int)sizeof(struct ibf_header)) {
|
|
rb_raise(rb_eRuntimeError, "broken binary format");
|
|
}
|
|
RB_OBJ_WRITE(loader_obj, &load->str, str);
|
|
load->loader_obj = loader_obj;
|
|
load->buff = StringValuePtr(str);
|
|
load->header = (struct ibf_header *)load->buff;
|
|
RB_OBJ_WRITE(loader_obj, &load->iseq_list, rb_ary_tmp_new(0));
|
|
RB_OBJ_WRITE(loader_obj, &load->obj_list, rb_ary_tmp_new(0));
|
|
load->id_list = ZALLOC_N(ID, load->header->id_list_size);
|
|
load->iseq = NULL;
|
|
|
|
if (RSTRING_LENINT(str) < (int)load->header->size) {
|
|
rb_raise(rb_eRuntimeError, "broken binary format");
|
|
}
|
|
if (strncmp(load->header->magic, "YARB", 4) != 0) {
|
|
rb_raise(rb_eRuntimeError, "unknown binary format");
|
|
}
|
|
if (load->header->major_version != ISEQ_MAJOR_VERSION ||
|
|
load->header->minor_version != ISEQ_MINOR_VERSION) {
|
|
rb_raise(rb_eRuntimeError, "unmatched version file (%u.%u for %u.%u)",
|
|
load->header->major_version, load->header->minor_version, ISEQ_MAJOR_VERSION, ISEQ_MINOR_VERSION);
|
|
}
|
|
if (strcmp(load->buff + sizeof(struct ibf_header), RUBY_PLATFORM) != 0) {
|
|
rb_raise(rb_eRuntimeError, "unmatched platform");
|
|
}
|
|
if (load->header->iseq_list_offset % RUBY_ALIGNOF(ibf_offset_t)) {
|
|
rb_raise(rb_eArgError, "unaligned iseq list offset: %u",
|
|
load->header->iseq_list_offset);
|
|
}
|
|
if (load->header->id_list_offset % RUBY_ALIGNOF(long)) {
|
|
rb_raise(rb_eArgError, "unaligned ID list offset: %u",
|
|
load->header->id_list_offset);
|
|
}
|
|
if (load->header->object_list_offset % RUBY_ALIGNOF(ibf_offset_t)) {
|
|
rb_raise(rb_eArgError, "unaligned object list offset: %u",
|
|
load->header->object_list_offset);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ibf_loader_mark(void *ptr)
|
|
{
|
|
struct ibf_load *load = (struct ibf_load *)ptr;
|
|
rb_gc_mark(load->str);
|
|
rb_gc_mark(load->iseq_list);
|
|
rb_gc_mark(load->obj_list);
|
|
}
|
|
|
|
static void
|
|
ibf_loader_free(void *ptr)
|
|
{
|
|
struct ibf_load *load = (struct ibf_load *)ptr;
|
|
ruby_xfree(load->id_list);
|
|
ruby_xfree(load);
|
|
}
|
|
|
|
static size_t
|
|
ibf_loader_memsize(const void *ptr)
|
|
{
|
|
struct ibf_load *load = (struct ibf_load *)ptr;
|
|
return sizeof(struct ibf_load) + load->header->id_list_size * sizeof(ID);
|
|
}
|
|
|
|
static const rb_data_type_t ibf_load_type = {
|
|
"ibf_loader",
|
|
{ibf_loader_mark, ibf_loader_free, ibf_loader_memsize,},
|
|
0, 0, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY
|
|
};
|
|
|
|
const rb_iseq_t *
|
|
rb_iseq_ibf_load(VALUE str)
|
|
{
|
|
struct ibf_load *load;
|
|
rb_iseq_t *iseq;
|
|
VALUE loader_obj = TypedData_Make_Struct(0, struct ibf_load, &ibf_load_type, load);
|
|
|
|
ibf_load_setup(load, loader_obj, str);
|
|
iseq = ibf_load_iseq(load, 0);
|
|
|
|
RB_GC_GUARD(loader_obj);
|
|
return iseq;
|
|
}
|
|
|
|
VALUE
|
|
rb_iseq_ibf_load_extra_data(VALUE str)
|
|
{
|
|
struct ibf_load *load;
|
|
VALUE loader_obj = TypedData_Make_Struct(0, struct ibf_load, &ibf_load_type, load);
|
|
VALUE extra_str;
|
|
|
|
ibf_load_setup(load, loader_obj, str);
|
|
extra_str = rb_str_new(load->buff + load->header->size, load->header->extra_size);
|
|
RB_GC_GUARD(loader_obj);
|
|
return extra_str;
|
|
}
|