зеркало из https://github.com/github/ruby.git
1185 строки
38 KiB
C
1185 строки
38 KiB
C
/**********************************************************************
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node_dump.c - dump ruby node tree
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$Author: mame $
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created at: 09/12/06 21:23:44 JST
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Copyright (C) 2009 Yusuke Endoh
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**********************************************************************/
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#include "internal.h"
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#include "internal/hash.h"
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#include "internal/ruby_parser.h"
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#include "internal/variable.h"
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#include "ruby/ruby.h"
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#include "vm_core.h"
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#define A(str) rb_str_cat2(buf, (str))
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#define AR(str) rb_str_concat(buf, (str))
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#define A_INDENT add_indent(buf, indent)
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#define D_INDENT rb_str_cat2(indent, next_indent)
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#define D_DEDENT rb_str_resize(indent, RSTRING_LEN(indent) - 4)
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#define A_ID(id) add_id(buf, (id))
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#define A_INT(val) rb_str_catf(buf, "%d", (val))
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#define A_LONG(val) rb_str_catf(buf, "%ld", (val))
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#define A_LIT(lit) AR(rb_dump_literal(lit))
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#define A_NODE_HEADER(node, term) \
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rb_str_catf(buf, "@ %s (id: %d, line: %d, location: (%d,%d)-(%d,%d))%s"term, \
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ruby_node_name(nd_type(node)), nd_node_id(node), nd_line(node), \
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nd_first_lineno(node), nd_first_column(node), \
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nd_last_lineno(node), nd_last_column(node), \
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(nd_fl_newline(node) ? "*" : ""))
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#define A_FIELD_HEADER(len, name, term) \
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rb_str_catf(buf, "+- %.*s:"term, (len), (name))
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#define D_FIELD_HEADER(len, name, term) (A_INDENT, A_FIELD_HEADER(len, name, term))
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#define D_NULL_NODE (A_INDENT, A("(null node)\n"))
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#define D_NODE_HEADER(node) (A_INDENT, A_NODE_HEADER(node, "\n"))
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#define COMPOUND_FIELD(len, name) \
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FIELD_BLOCK((D_FIELD_HEADER((len), (name), "\n"), D_INDENT), D_DEDENT)
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#define COMPOUND_FIELD1(name, ann) \
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COMPOUND_FIELD(FIELD_NAME_LEN(name, ann), \
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FIELD_NAME_DESC(name, ann))
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#define FIELD_NAME_DESC(name, ann) name " (" ann ")"
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#define FIELD_NAME_LEN(name, ann) (int)( \
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comment ? \
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rb_strlen_lit(FIELD_NAME_DESC(name, ann)) : \
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rb_strlen_lit(name))
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#define SIMPLE_FIELD(len, name) \
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FIELD_BLOCK(D_FIELD_HEADER((len), (name), " "), A("\n"))
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#define FIELD_BLOCK(init, reset) \
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for (init, field_flag = 1; \
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field_flag; /* should be optimized away */ \
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reset, field_flag = 0)
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#define SIMPLE_FIELD1(name, ann) SIMPLE_FIELD(FIELD_NAME_LEN(name, ann), FIELD_NAME_DESC(name, ann))
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#define F_CUSTOM1(name, ann) SIMPLE_FIELD1(#name, ann)
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#define F_ID(name, type, ann) SIMPLE_FIELD1(#name, ann) A_ID(type(node)->name)
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#define F_INT(name, type, ann) SIMPLE_FIELD1(#name, ann) A_INT(type(node)->name)
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#define F_LONG(name, type, ann) SIMPLE_FIELD1(#name, ann) A_LONG(type(node)->name)
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#define F_LIT(name, type, ann) SIMPLE_FIELD1(#name, ann) A_LIT(type(node)->name)
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#define F_VALUE(name, val, ann) SIMPLE_FIELD1(#name, ann) A_LIT(val)
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#define F_MSG(name, ann, desc) SIMPLE_FIELD1(#name, ann) A(desc)
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#define F_NODE(name, type, ann) \
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COMPOUND_FIELD1(#name, ann) {dump_node(buf, indent, comment, RNODE(type(node)->name));}
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#define F_NODE2(name, n, ann) \
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COMPOUND_FIELD1(#name, ann) {dump_node(buf, indent, comment, n);}
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#define ANN(ann) \
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if (comment) { \
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A_INDENT; A("| # " ann "\n"); \
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}
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#define LAST_NODE (next_indent = " ")
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VALUE
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rb_dump_literal(VALUE lit)
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{
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if (!RB_SPECIAL_CONST_P(lit)) {
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VALUE str;
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switch (RB_BUILTIN_TYPE(lit)) {
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case T_CLASS: case T_MODULE: case T_ICLASS:
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str = rb_class_path(lit);
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if (FL_TEST(lit, FL_SINGLETON)) {
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str = rb_sprintf("<%"PRIsVALUE">", str);
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}
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return str;
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default:
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break;
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}
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}
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return rb_inspect(lit);
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}
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static void
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add_indent(VALUE buf, VALUE indent)
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{
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AR(indent);
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}
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static void
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add_id(VALUE buf, ID id)
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{
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if (id == 0) {
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A("(null)");
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}
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else {
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VALUE str = rb_id2str(id);
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if (str) {
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A(":"); AR(str);
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}
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else {
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rb_str_catf(buf, "(internal variable: 0x%"PRIsVALUE")", id);
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}
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}
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}
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struct add_option_arg {
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VALUE buf, indent;
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st_index_t count;
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};
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static void dump_node(VALUE, VALUE, int, const NODE *);
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static const char default_indent[] = "| ";
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static void
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dump_array(VALUE buf, VALUE indent, int comment, const NODE *node)
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{
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int field_flag;
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const char *next_indent = default_indent;
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F_LONG(as.nd_alen, RNODE_LIST, "length");
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F_NODE(nd_head, RNODE_LIST, "element");
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while (RNODE_LIST(node)->nd_next && nd_type_p(RNODE_LIST(node)->nd_next, NODE_LIST)) {
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node = RNODE_LIST(node)->nd_next;
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F_NODE(nd_head, RNODE_LIST, "element");
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}
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LAST_NODE;
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F_NODE(nd_next, RNODE_LIST, "next element");
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}
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static void
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dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
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{
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int field_flag;
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int i;
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const char *next_indent = default_indent;
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enum node_type type;
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if (!node) {
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D_NULL_NODE;
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return;
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}
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D_NODE_HEADER(node);
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type = nd_type(node);
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switch (type) {
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case NODE_BLOCK:
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ANN("statement sequence");
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ANN("format: [nd_head]; ...; [nd_next]");
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ANN("example: foo; bar");
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i = 0;
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do {
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A_INDENT;
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rb_str_catf(buf, "+- nd_head (%s%d):\n",
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comment ? "statement #" : "", ++i);
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if (!RNODE_BLOCK(node)->nd_next) LAST_NODE;
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D_INDENT;
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dump_node(buf, indent, comment, RNODE_BLOCK(node)->nd_head);
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D_DEDENT;
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} while (RNODE_BLOCK(node)->nd_next &&
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nd_type_p(RNODE_BLOCK(node)->nd_next, NODE_BLOCK) &&
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(node = RNODE_BLOCK(node)->nd_next, 1));
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if (RNODE_BLOCK(node)->nd_next) {
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LAST_NODE;
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F_NODE(nd_next, RNODE_BLOCK, "next block");
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}
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return;
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case NODE_IF:
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ANN("if statement");
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ANN("format: if [nd_cond] then [nd_body] else [nd_else] end");
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ANN("example: if x == 1 then foo else bar end");
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F_NODE(nd_cond, RNODE_IF, "condition expr");
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F_NODE(nd_body, RNODE_IF, "then clause");
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LAST_NODE;
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F_NODE(nd_else, RNODE_IF, "else clause");
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return;
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case NODE_UNLESS:
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ANN("unless statement");
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ANN("format: unless [nd_cond] then [nd_body] else [nd_else] end");
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ANN("example: unless x == 1 then foo else bar end");
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F_NODE(nd_cond, RNODE_UNLESS, "condition expr");
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F_NODE(nd_body, RNODE_UNLESS, "then clause");
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LAST_NODE;
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F_NODE(nd_else, RNODE_UNLESS, "else clause");
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return;
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case NODE_CASE:
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ANN("case statement");
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ANN("format: case [nd_head]; [nd_body]; end");
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ANN("example: case x; when 1; foo; when 2; bar; else baz; end");
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F_NODE(nd_head, RNODE_CASE, "case expr");
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LAST_NODE;
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F_NODE(nd_body, RNODE_CASE, "when clauses");
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return;
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case NODE_CASE2:
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ANN("case statement with no head");
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ANN("format: case; [nd_body]; end");
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ANN("example: case; when 1; foo; when 2; bar; else baz; end");
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F_NODE(nd_head, RNODE_CASE2, "case expr");
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LAST_NODE;
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F_NODE(nd_body, RNODE_CASE2, "when clauses");
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return;
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case NODE_CASE3:
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ANN("case statement (pattern matching)");
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ANN("format: case [nd_head]; [nd_body]; end");
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ANN("example: case x; in 1; foo; in 2; bar; else baz; end");
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F_NODE(nd_head, RNODE_CASE3, "case expr");
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LAST_NODE;
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F_NODE(nd_body, RNODE_CASE3, "in clauses");
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return;
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case NODE_WHEN:
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ANN("when clause");
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ANN("format: when [nd_head]; [nd_body]; (when or else) [nd_next]");
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ANN("example: case x; when 1; foo; when 2; bar; else baz; end");
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F_NODE(nd_head, RNODE_WHEN, "when value");
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F_NODE(nd_body, RNODE_WHEN, "when body");
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LAST_NODE;
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F_NODE(nd_next, RNODE_WHEN, "next when clause");
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return;
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case NODE_IN:
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ANN("in clause");
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ANN("format: in [nd_head]; [nd_body]; (in or else) [nd_next]");
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ANN("example: case x; in 1; foo; in 2; bar; else baz; end");
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F_NODE(nd_head, RNODE_IN, "in pattern");
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F_NODE(nd_body, RNODE_IN, "in body");
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LAST_NODE;
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F_NODE(nd_next, RNODE_IN, "next in clause");
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return;
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case NODE_WHILE:
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ANN("while statement");
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ANN("format: while [nd_cond]; [nd_body]; end");
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ANN("example: while x == 1; foo; end");
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goto loop;
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case NODE_UNTIL:
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ANN("until statement");
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ANN("format: until [nd_cond]; [nd_body]; end");
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ANN("example: until x == 1; foo; end");
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loop:
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F_CUSTOM1(nd_state, "begin-end-while?") {
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A_INT((int)RNODE_WHILE(node)->nd_state);
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A((RNODE_WHILE(node)->nd_state == 1) ? " (while-end)" : " (begin-end-while)");
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}
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F_NODE(nd_cond, RNODE_WHILE, "condition");
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LAST_NODE;
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F_NODE(nd_body, RNODE_WHILE, "body");
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return;
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case NODE_ITER:
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ANN("method call with block");
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ANN("format: [nd_iter] { [nd_body] }");
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ANN("example: 3.times { foo }");
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goto iter;
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case NODE_FOR:
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ANN("for statement");
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ANN("format: for * in [nd_iter] do [nd_body] end");
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ANN("example: for i in 1..3 do foo end");
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iter:
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F_NODE(nd_iter, RNODE_ITER, "iteration receiver");
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LAST_NODE;
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F_NODE(nd_body, RNODE_ITER, "body");
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return;
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case NODE_FOR_MASGN:
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ANN("vars of for statement with masgn");
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ANN("format: for [nd_var] in ... do ... end");
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ANN("example: for x, y in 1..3 do foo end");
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LAST_NODE;
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F_NODE(nd_var, RNODE_FOR_MASGN, "var");
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return;
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case NODE_BREAK:
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ANN("break statement");
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ANN("format: break [nd_stts]");
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ANN("example: break 1");
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LAST_NODE;
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F_NODE(nd_stts, RNODE_BREAK, "value");
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return;
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case NODE_NEXT:
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ANN("next statement");
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ANN("format: next [nd_stts]");
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ANN("example: next 1");
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LAST_NODE;
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F_NODE(nd_stts, RNODE_NEXT, "value");
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return;
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case NODE_RETURN:
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ANN("return statement");
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ANN("format: return [nd_stts]");
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ANN("example: return 1");
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LAST_NODE;
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F_NODE(nd_stts, RNODE_RETURN, "value");
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return;
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case NODE_REDO:
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ANN("redo statement");
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ANN("format: redo");
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ANN("example: redo");
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return;
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case NODE_RETRY:
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ANN("retry statement");
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ANN("format: retry");
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ANN("example: retry");
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return;
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case NODE_BEGIN:
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ANN("begin statement");
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ANN("format: begin; [nd_body]; end");
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ANN("example: begin; 1; end");
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LAST_NODE;
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F_NODE(nd_body, RNODE_BEGIN, "body");
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return;
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case NODE_RESCUE:
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ANN("rescue clause");
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ANN("format: begin; [nd_body]; (rescue) [nd_resq]; else [nd_else]; end");
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ANN("example: begin; foo; rescue; bar; else; baz; end");
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F_NODE(nd_head, RNODE_RESCUE, "body");
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F_NODE(nd_resq, RNODE_RESCUE, "rescue clause list");
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LAST_NODE;
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F_NODE(nd_else, RNODE_RESCUE, "rescue else clause");
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return;
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case NODE_RESBODY:
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ANN("rescue clause (cont'd)");
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ANN("format: rescue [nd_args]; [nd_body]; (rescue) [nd_head]");
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ANN("example: begin; foo; rescue; bar; else; baz; end");
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F_NODE(nd_args, RNODE_RESBODY, "rescue exceptions");
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F_NODE(nd_body, RNODE_RESBODY, "rescue clause");
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LAST_NODE;
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F_NODE(nd_next, RNODE_RESBODY, "next rescue clause");
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return;
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case NODE_ENSURE:
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ANN("ensure clause");
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ANN("format: begin; [nd_head]; ensure; [nd_ensr]; end");
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ANN("example: begin; foo; ensure; bar; end");
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F_NODE(nd_head, RNODE_ENSURE, "body");
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LAST_NODE;
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F_NODE(nd_ensr, RNODE_ENSURE, "ensure clause");
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return;
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case NODE_AND:
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ANN("&& operator");
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ANN("format: [nd_1st] && [nd_2nd]");
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ANN("example: foo && bar");
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goto andor;
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case NODE_OR:
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ANN("|| operator");
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ANN("format: [nd_1st] || [nd_2nd]");
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ANN("example: foo || bar");
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andor:
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while (1) {
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F_NODE(nd_1st, RNODE_AND, "left expr");
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if (!RNODE_AND(node)->nd_2nd || !nd_type_p(RNODE_AND(node)->nd_2nd, type))
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break;
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node = RNODE_AND(node)->nd_2nd;
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}
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LAST_NODE;
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F_NODE(nd_2nd, RNODE_AND, "right expr");
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return;
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case NODE_MASGN:
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ANN("multiple assignment");
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ANN("format: [nd_head], [nd_args] = [nd_value]");
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ANN("example: a, b = foo");
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F_NODE(nd_value, RNODE_MASGN, "rhsn");
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F_NODE(nd_head, RNODE_MASGN, "lhsn");
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if (NODE_NAMED_REST_P(RNODE_MASGN(node)->nd_args)) {
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LAST_NODE;
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F_NODE(nd_args, RNODE_MASGN, "splatn");
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}
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else {
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F_MSG(nd_args, "splatn", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
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}
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return;
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case NODE_LASGN:
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ANN("local variable assignment");
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ANN("format: [nd_vid](lvar) = [nd_value]");
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ANN("example: x = foo");
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F_ID(nd_vid, RNODE_LASGN, "local variable");
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if (NODE_REQUIRED_KEYWORD_P(RNODE_LASGN(node)->nd_value)) {
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F_MSG(nd_value, "rvalue", "NODE_SPECIAL_REQUIRED_KEYWORD (required keyword argument)");
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}
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else {
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LAST_NODE;
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F_NODE(nd_value, RNODE_LASGN, "rvalue");
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}
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return;
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case NODE_DASGN:
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ANN("dynamic variable assignment");
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ANN("format: [nd_vid](dvar) = [nd_value]");
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ANN("example: x = nil; 1.times { x = foo }");
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ANN("example: 1.times { x = foo }");
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F_ID(nd_vid, RNODE_DASGN, "local variable");
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if (NODE_REQUIRED_KEYWORD_P(RNODE_DASGN(node)->nd_value)) {
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F_MSG(nd_value, "rvalue", "NODE_SPECIAL_REQUIRED_KEYWORD (required keyword argument)");
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}
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else {
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LAST_NODE;
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F_NODE(nd_value, RNODE_DASGN, "rvalue");
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}
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return;
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case NODE_IASGN:
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ANN("instance variable assignment");
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ANN("format: [nd_vid](ivar) = [nd_value]");
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ANN("example: @x = foo");
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F_ID(nd_vid, RNODE_IASGN, "instance variable");
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LAST_NODE;
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F_NODE(nd_value, RNODE_IASGN, "rvalue");
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return;
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case NODE_CVASGN:
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ANN("class variable assignment");
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ANN("format: [nd_vid](cvar) = [nd_value]");
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ANN("example: @@x = foo");
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F_ID(nd_vid, RNODE_CVASGN, "class variable");
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LAST_NODE;
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F_NODE(nd_value, RNODE_CVASGN, "rvalue");
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return;
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case NODE_GASGN:
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ANN("global variable assignment");
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ANN("format: [nd_vid](gvar) = [nd_value]");
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ANN("example: $x = foo");
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F_ID(nd_vid, RNODE_GASGN, "global variable");
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LAST_NODE;
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F_NODE(nd_value, RNODE_GASGN, "rvalue");
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return;
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case NODE_CDECL:
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ANN("constant declaration");
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ANN("format: [nd_else]::[nd_vid](constant) = [nd_value]");
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ANN("example: X = foo");
|
|
if (RNODE_CDECL(node)->nd_vid) {
|
|
F_ID(nd_vid, RNODE_CDECL, "constant");
|
|
F_MSG(nd_else, "extension", "not used");
|
|
}
|
|
else {
|
|
F_MSG(nd_vid, "constant", "0 (see extension field)");
|
|
F_NODE(nd_else, RNODE_CDECL, "extension");
|
|
}
|
|
LAST_NODE;
|
|
F_NODE(nd_value, RNODE_CDECL, "rvalue");
|
|
return;
|
|
|
|
case NODE_OP_ASGN1:
|
|
ANN("array assignment with operator");
|
|
ANN("format: [nd_recv] [ [nd_index] ] [nd_mid]= [nd_rvalue]");
|
|
ANN("example: ary[1] += foo");
|
|
F_NODE(nd_recv, RNODE_OP_ASGN1, "receiver");
|
|
F_ID(nd_mid, RNODE_OP_ASGN1, "operator");
|
|
F_NODE(nd_index, RNODE_OP_ASGN1, "index");
|
|
LAST_NODE;
|
|
F_NODE(nd_rvalue, RNODE_OP_ASGN1, "rvalue");
|
|
return;
|
|
|
|
case NODE_OP_ASGN2:
|
|
ANN("attr assignment with operator");
|
|
ANN("format: [nd_recv].[nd_vid] [nd_mid]= [nd_value]");
|
|
ANN("example: struct.field += foo");
|
|
F_NODE(nd_recv, RNODE_OP_ASGN2, "receiver");
|
|
F_CUSTOM1(nd_vid, "attr") {
|
|
if (RNODE_OP_ASGN2(node)->nd_aid) A("? ");
|
|
A_ID(RNODE_OP_ASGN2(node)->nd_vid);
|
|
}
|
|
F_ID(nd_mid, RNODE_OP_ASGN2, "operator");
|
|
LAST_NODE;
|
|
F_NODE(nd_value, RNODE_OP_ASGN2, "rvalue");
|
|
return;
|
|
|
|
case NODE_OP_ASGN_AND:
|
|
ANN("assignment with && operator");
|
|
ANN("format: [nd_head] &&= [nd_value]");
|
|
ANN("example: foo &&= bar");
|
|
goto asgn_andor;
|
|
case NODE_OP_ASGN_OR:
|
|
ANN("assignment with || operator");
|
|
ANN("format: [nd_head] ||= [nd_value]");
|
|
ANN("example: foo ||= bar");
|
|
asgn_andor:
|
|
F_NODE(nd_head, RNODE_OP_ASGN_AND, "variable");
|
|
LAST_NODE;
|
|
F_NODE(nd_value, RNODE_OP_ASGN_AND, "rvalue");
|
|
return;
|
|
|
|
case NODE_OP_CDECL:
|
|
ANN("constant declaration with operator");
|
|
ANN("format: [nd_head](constant) [nd_aid]= [nd_value]");
|
|
ANN("example: A::B ||= 1");
|
|
F_NODE(nd_head, RNODE_OP_CDECL, "constant");
|
|
F_ID(nd_aid, RNODE_OP_CDECL, "operator");
|
|
LAST_NODE;
|
|
F_NODE(nd_value, RNODE_OP_CDECL, "rvalue");
|
|
return;
|
|
|
|
case NODE_CALL:
|
|
ANN("method invocation");
|
|
ANN("format: [nd_recv].[nd_mid]([nd_args])");
|
|
ANN("example: obj.foo(1)");
|
|
F_ID(nd_mid, RNODE_CALL, "method id");
|
|
F_NODE(nd_recv, RNODE_CALL, "receiver");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_CALL, "arguments");
|
|
return;
|
|
|
|
case NODE_OPCALL:
|
|
ANN("method invocation");
|
|
ANN("format: [nd_recv] [nd_mid] [nd_args]");
|
|
ANN("example: foo + bar");
|
|
F_ID(nd_mid, RNODE_OPCALL, "method id");
|
|
F_NODE(nd_recv, RNODE_OPCALL, "receiver");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_OPCALL, "arguments");
|
|
return;
|
|
|
|
case NODE_FCALL:
|
|
ANN("function call");
|
|
ANN("format: [nd_mid]([nd_args])");
|
|
ANN("example: foo(1)");
|
|
F_ID(nd_mid, RNODE_FCALL, "method id");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_FCALL, "arguments");
|
|
return;
|
|
|
|
case NODE_VCALL:
|
|
ANN("function call with no argument");
|
|
ANN("format: [nd_mid]");
|
|
ANN("example: foo");
|
|
F_ID(nd_mid, RNODE_VCALL, "method id");
|
|
return;
|
|
|
|
case NODE_QCALL:
|
|
ANN("safe method invocation");
|
|
ANN("format: [nd_recv]&.[nd_mid]([nd_args])");
|
|
ANN("example: obj&.foo(1)");
|
|
F_ID(nd_mid, RNODE_QCALL, "method id");
|
|
F_NODE(nd_recv, RNODE_QCALL, "receiver");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_QCALL, "arguments");
|
|
return;
|
|
|
|
case NODE_SUPER:
|
|
ANN("super invocation");
|
|
ANN("format: super [nd_args]");
|
|
ANN("example: super 1");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_SUPER, "arguments");
|
|
return;
|
|
|
|
case NODE_ZSUPER:
|
|
ANN("super invocation with no argument");
|
|
ANN("format: super");
|
|
ANN("example: super");
|
|
return;
|
|
|
|
case NODE_LIST:
|
|
ANN("list constructor");
|
|
ANN("format: [ [nd_head], [nd_next].. ] (length: [nd_alen])");
|
|
ANN("example: [1, 2, 3]");
|
|
dump_array(buf, indent, comment, node);
|
|
return;
|
|
|
|
case NODE_ZLIST:
|
|
ANN("empty list constructor");
|
|
ANN("format: []");
|
|
ANN("example: []");
|
|
return;
|
|
|
|
case NODE_HASH:
|
|
if (!RNODE_HASH(node)->nd_brace) {
|
|
ANN("keyword arguments");
|
|
ANN("format: [nd_head]");
|
|
ANN("example: a: 1, b: 2");
|
|
}
|
|
else {
|
|
ANN("hash constructor");
|
|
ANN("format: { [nd_head] }");
|
|
ANN("example: { 1 => 2, 3 => 4 }");
|
|
}
|
|
F_CUSTOM1(nd_brace, "keyword arguments or hash literal") {
|
|
switch (RNODE_HASH(node)->nd_brace) {
|
|
case 0: A("0 (keyword argument)"); break;
|
|
case 1: A("1 (hash literal)"); break;
|
|
}
|
|
}
|
|
LAST_NODE;
|
|
F_NODE(nd_head, RNODE_HASH, "contents");
|
|
return;
|
|
|
|
case NODE_YIELD:
|
|
ANN("yield invocation");
|
|
ANN("format: yield [nd_head]");
|
|
ANN("example: yield 1");
|
|
LAST_NODE;
|
|
F_NODE(nd_head, RNODE_YIELD, "arguments");
|
|
return;
|
|
|
|
case NODE_LVAR:
|
|
ANN("local variable reference");
|
|
ANN("format: [nd_vid](lvar)");
|
|
ANN("example: x");
|
|
F_ID(nd_vid, RNODE_LVAR, "local variable");
|
|
return;
|
|
case NODE_DVAR:
|
|
ANN("dynamic variable reference");
|
|
ANN("format: [nd_vid](dvar)");
|
|
ANN("example: 1.times { x = 1; x }");
|
|
F_ID(nd_vid, RNODE_DVAR, "local variable");
|
|
return;
|
|
case NODE_IVAR:
|
|
ANN("instance variable reference");
|
|
ANN("format: [nd_vid](ivar)");
|
|
ANN("example: @x");
|
|
F_ID(nd_vid, RNODE_IVAR, "instance variable");
|
|
return;
|
|
case NODE_CONST:
|
|
ANN("constant reference");
|
|
ANN("format: [nd_vid](constant)");
|
|
ANN("example: X");
|
|
F_ID(nd_vid, RNODE_CONST, "constant");
|
|
return;
|
|
case NODE_CVAR:
|
|
ANN("class variable reference");
|
|
ANN("format: [nd_vid](cvar)");
|
|
ANN("example: @@x");
|
|
F_ID(nd_vid, RNODE_CVAR, "class variable");
|
|
return;
|
|
|
|
case NODE_GVAR:
|
|
ANN("global variable reference");
|
|
ANN("format: [nd_vid](gvar)");
|
|
ANN("example: $x");
|
|
F_ID(nd_vid, RNODE_GVAR, "global variable");
|
|
return;
|
|
|
|
case NODE_NTH_REF:
|
|
ANN("nth special variable reference");
|
|
ANN("format: $[nd_nth]");
|
|
ANN("example: $1, $2, ..");
|
|
F_CUSTOM1(nd_nth, "variable") { A("$"); A_LONG(RNODE_NTH_REF(node)->nd_nth); }
|
|
return;
|
|
|
|
case NODE_BACK_REF:
|
|
ANN("back special variable reference");
|
|
ANN("format: $[nd_nth]");
|
|
ANN("example: $&, $`, $', $+");
|
|
F_CUSTOM1(nd_nth, "variable") {
|
|
char name[3] = "$ ";
|
|
name[1] = (char)RNODE_BACK_REF(node)->nd_nth;
|
|
A(name);
|
|
}
|
|
return;
|
|
|
|
case NODE_MATCH:
|
|
ANN("match expression (against $_ implicitly)");
|
|
ANN("format: [nd_lit] (in condition)");
|
|
ANN("example: if /foo/; foo; end");
|
|
F_LIT(nd_lit, RNODE_MATCH, "regexp");
|
|
return;
|
|
|
|
case NODE_MATCH2:
|
|
ANN("match expression (regexp first)");
|
|
ANN("format: [nd_recv] =~ [nd_value]");
|
|
ANN("example: /foo/ =~ 'foo'");
|
|
F_NODE(nd_recv, RNODE_MATCH2, "regexp (receiver)");
|
|
if (!RNODE_MATCH2(node)->nd_args) LAST_NODE;
|
|
F_NODE(nd_value, RNODE_MATCH2, "string (argument)");
|
|
if (RNODE_MATCH2(node)->nd_args) {
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_MATCH2, "named captures");
|
|
}
|
|
return;
|
|
|
|
case NODE_MATCH3:
|
|
ANN("match expression (regexp second)");
|
|
ANN("format: [nd_recv] =~ [nd_value]");
|
|
ANN("example: 'foo' =~ /foo/");
|
|
F_NODE(nd_recv, RNODE_MATCH3, "string (receiver)");
|
|
LAST_NODE;
|
|
F_NODE(nd_value, RNODE_MATCH3, "regexp (argument)");
|
|
return;
|
|
|
|
case NODE_LIT:
|
|
ANN("literal");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: :sym, /foo/");
|
|
goto lit;
|
|
case NODE_STR:
|
|
ANN("string literal");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: 'foo'");
|
|
goto lit;
|
|
case NODE_XSTR:
|
|
ANN("xstring literal");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: `foo`");
|
|
lit:
|
|
F_LIT(nd_lit, RNODE_LIT, "literal");
|
|
return;
|
|
|
|
case NODE_INTEGER:
|
|
ANN("integer literal");
|
|
ANN("format: [val]");
|
|
ANN("example: 1");
|
|
F_VALUE(val, rb_node_integer_literal_val(node), "val");
|
|
return;
|
|
|
|
case NODE_FLOAT:
|
|
ANN("float literal");
|
|
ANN("format: [val]");
|
|
ANN("example: 1.2");
|
|
F_VALUE(val, rb_node_float_literal_val(node), "val");
|
|
return;
|
|
|
|
case NODE_RATIONAL:
|
|
ANN("rational number literal");
|
|
ANN("format: [val]");
|
|
ANN("example: 1r");
|
|
F_VALUE(val, rb_node_rational_literal_val(node), "val");
|
|
return;
|
|
|
|
case NODE_IMAGINARY:
|
|
ANN("complex number literal");
|
|
ANN("format: [val]");
|
|
ANN("example: 1i");
|
|
F_VALUE(val, rb_node_imaginary_literal_val(node), "val");
|
|
return;
|
|
|
|
case NODE_ONCE:
|
|
ANN("once evaluation");
|
|
ANN("format: [nd_body]");
|
|
ANN("example: /foo#{ bar }baz/o");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_ONCE, "body");
|
|
return;
|
|
|
|
case NODE_DSTR:
|
|
ANN("string literal with interpolation");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: \"foo#{ bar }baz\"");
|
|
goto dlit;
|
|
case NODE_DXSTR:
|
|
ANN("xstring literal with interpolation");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: `foo#{ bar }baz`");
|
|
goto dlit;
|
|
case NODE_DREGX:
|
|
ANN("regexp literal with interpolation");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: /foo#{ bar }baz/");
|
|
goto dlit;
|
|
case NODE_DSYM:
|
|
ANN("symbol literal with interpolation");
|
|
ANN("format: [nd_lit]");
|
|
ANN("example: :\"foo#{ bar }baz\"");
|
|
dlit:
|
|
F_LIT(nd_lit, RNODE_DSTR, "preceding string");
|
|
if (!RNODE_DSTR(node)->nd_next) return;
|
|
F_NODE(nd_next->nd_head, RNODE_DSTR, "interpolation");
|
|
LAST_NODE;
|
|
F_NODE(nd_next->nd_next, RNODE_DSTR, "tailing strings");
|
|
return;
|
|
|
|
case NODE_SYM:
|
|
ANN("symbol literal");
|
|
ANN("format: [string]");
|
|
ANN("example: :foo");
|
|
F_VALUE(string, rb_node_sym_string_val(node), "string");
|
|
return;
|
|
|
|
case NODE_EVSTR:
|
|
ANN("interpolation expression");
|
|
ANN("format: \"..#{ [nd_body] }..\"");
|
|
ANN("example: \"foo#{ bar }baz\"");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_EVSTR, "body");
|
|
return;
|
|
|
|
case NODE_ARGSCAT:
|
|
ANN("splat argument following arguments");
|
|
ANN("format: ..(*[nd_head], [nd_body..])");
|
|
ANN("example: foo(*ary, post_arg1, post_arg2)");
|
|
F_NODE(nd_head, RNODE_ARGSCAT, "preceding array");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_ARGSCAT, "following array");
|
|
return;
|
|
|
|
case NODE_ARGSPUSH:
|
|
ANN("splat argument following one argument");
|
|
ANN("format: ..(*[nd_head], [nd_body])");
|
|
ANN("example: foo(*ary, post_arg)");
|
|
F_NODE(nd_head, RNODE_ARGSPUSH, "preceding array");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_ARGSPUSH, "following element");
|
|
return;
|
|
|
|
case NODE_SPLAT:
|
|
ANN("splat argument");
|
|
ANN("format: *[nd_head]");
|
|
ANN("example: foo(*ary)");
|
|
LAST_NODE;
|
|
F_NODE(nd_head, RNODE_SPLAT, "splat'ed array");
|
|
return;
|
|
|
|
case NODE_BLOCK_PASS:
|
|
ANN("arguments with block argument");
|
|
ANN("format: ..([nd_head], &[nd_body])");
|
|
ANN("example: foo(x, &blk)");
|
|
F_NODE(nd_head, RNODE_BLOCK_PASS, "other arguments");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_BLOCK_PASS, "block argument");
|
|
return;
|
|
|
|
case NODE_DEFN:
|
|
ANN("method definition");
|
|
ANN("format: def [nd_mid] [nd_defn]; end");
|
|
ANN("example: def foo; bar; end");
|
|
F_ID(nd_mid, RNODE_DEFN, "method name");
|
|
LAST_NODE;
|
|
F_NODE(nd_defn, RNODE_DEFN, "method definition");
|
|
return;
|
|
|
|
case NODE_DEFS:
|
|
ANN("singleton method definition");
|
|
ANN("format: def [nd_recv].[nd_mid] [nd_defn]; end");
|
|
ANN("example: def obj.foo; bar; end");
|
|
F_NODE(nd_recv, RNODE_DEFS, "receiver");
|
|
F_ID(nd_mid, RNODE_DEFS, "method name");
|
|
LAST_NODE;
|
|
F_NODE(nd_defn, RNODE_DEFS, "method definition");
|
|
return;
|
|
|
|
case NODE_ALIAS:
|
|
ANN("method alias statement");
|
|
ANN("format: alias [nd_1st] [nd_2nd]");
|
|
ANN("example: alias bar foo");
|
|
F_NODE(nd_1st, RNODE_ALIAS, "new name");
|
|
LAST_NODE;
|
|
F_NODE(nd_2nd, RNODE_ALIAS, "old name");
|
|
return;
|
|
|
|
case NODE_VALIAS:
|
|
ANN("global variable alias statement");
|
|
ANN("format: alias [nd_alias](gvar) [nd_orig](gvar)");
|
|
ANN("example: alias $y $x");
|
|
F_ID(nd_alias, RNODE_VALIAS, "new name");
|
|
F_ID(nd_orig, RNODE_VALIAS, "old name");
|
|
return;
|
|
|
|
case NODE_UNDEF:
|
|
ANN("method undef statement");
|
|
ANN("format: undef [nd_undef]");
|
|
ANN("example: undef foo");
|
|
LAST_NODE;
|
|
F_NODE(nd_undef, RNODE_UNDEF, "old name");
|
|
return;
|
|
|
|
case NODE_CLASS:
|
|
ANN("class definition");
|
|
ANN("format: class [nd_cpath] < [nd_super]; [nd_body]; end");
|
|
ANN("example: class C2 < C; ..; end");
|
|
F_NODE(nd_cpath, RNODE_CLASS, "class path");
|
|
F_NODE(nd_super, RNODE_CLASS, "superclass");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_CLASS, "class definition");
|
|
return;
|
|
|
|
case NODE_MODULE:
|
|
ANN("module definition");
|
|
ANN("format: module [nd_cpath]; [nd_body]; end");
|
|
ANN("example: module M; ..; end");
|
|
F_NODE(nd_cpath, RNODE_MODULE, "module path");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_MODULE, "module definition");
|
|
return;
|
|
|
|
case NODE_SCLASS:
|
|
ANN("singleton class definition");
|
|
ANN("format: class << [nd_recv]; [nd_body]; end");
|
|
ANN("example: class << obj; ..; end");
|
|
F_NODE(nd_recv, RNODE_SCLASS, "receiver");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_SCLASS, "singleton class definition");
|
|
return;
|
|
|
|
case NODE_COLON2:
|
|
ANN("scoped constant reference");
|
|
ANN("format: [nd_head]::[nd_mid]");
|
|
ANN("example: M::C");
|
|
F_ID(nd_mid, RNODE_COLON2, "constant name");
|
|
LAST_NODE;
|
|
F_NODE(nd_head, RNODE_COLON2, "receiver");
|
|
return;
|
|
|
|
case NODE_COLON3:
|
|
ANN("top-level constant reference");
|
|
ANN("format: ::[nd_mid]");
|
|
ANN("example: ::Object");
|
|
F_ID(nd_mid, RNODE_COLON3, "constant name");
|
|
return;
|
|
|
|
case NODE_DOT2:
|
|
ANN("range constructor (incl.)");
|
|
ANN("format: [nd_beg]..[nd_end]");
|
|
ANN("example: 1..5");
|
|
goto dot;
|
|
case NODE_DOT3:
|
|
ANN("range constructor (excl.)");
|
|
ANN("format: [nd_beg]...[nd_end]");
|
|
ANN("example: 1...5");
|
|
goto dot;
|
|
case NODE_FLIP2:
|
|
ANN("flip-flop condition (incl.)");
|
|
ANN("format: [nd_beg]..[nd_end]");
|
|
ANN("example: if (x==1)..(x==5); foo; end");
|
|
goto dot;
|
|
case NODE_FLIP3:
|
|
ANN("flip-flop condition (excl.)");
|
|
ANN("format: [nd_beg]...[nd_end]");
|
|
ANN("example: if (x==1)...(x==5); foo; end");
|
|
dot:
|
|
F_NODE(nd_beg, RNODE_DOT2, "begin");
|
|
LAST_NODE;
|
|
F_NODE(nd_end, RNODE_DOT2, "end");
|
|
return;
|
|
|
|
case NODE_SELF:
|
|
ANN("self");
|
|
ANN("format: self");
|
|
ANN("example: self");
|
|
F_CUSTOM1(nd_state, "nd_state") {
|
|
A_INT((int)RNODE_SELF(node)->nd_state);
|
|
}
|
|
return;
|
|
|
|
case NODE_NIL:
|
|
ANN("nil");
|
|
ANN("format: nil");
|
|
ANN("example: nil");
|
|
return;
|
|
|
|
case NODE_TRUE:
|
|
ANN("true");
|
|
ANN("format: true");
|
|
ANN("example: true");
|
|
return;
|
|
|
|
case NODE_FALSE:
|
|
ANN("false");
|
|
ANN("format: false");
|
|
ANN("example: false");
|
|
return;
|
|
|
|
case NODE_ERRINFO:
|
|
ANN("virtual reference to $!");
|
|
ANN("format: rescue => id");
|
|
ANN("example: rescue => id");
|
|
return;
|
|
|
|
case NODE_DEFINED:
|
|
ANN("defined? expression");
|
|
ANN("format: defined?([nd_head])");
|
|
ANN("example: defined?(foo)");
|
|
F_NODE(nd_head, RNODE_DEFINED, "expr");
|
|
return;
|
|
|
|
case NODE_POSTEXE:
|
|
ANN("post-execution");
|
|
ANN("format: END { [nd_body] }");
|
|
ANN("example: END { foo }");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_POSTEXE, "END clause");
|
|
return;
|
|
|
|
case NODE_ATTRASGN:
|
|
ANN("attr assignment");
|
|
ANN("format: [nd_recv].[nd_mid] = [nd_args]");
|
|
ANN("example: struct.field = foo");
|
|
F_NODE(nd_recv, RNODE_ATTRASGN, "receiver");
|
|
F_ID(nd_mid, RNODE_ATTRASGN, "method name");
|
|
LAST_NODE;
|
|
F_NODE(nd_args, RNODE_ATTRASGN, "arguments");
|
|
return;
|
|
|
|
case NODE_LAMBDA:
|
|
ANN("lambda expression");
|
|
ANN("format: -> [nd_body]");
|
|
ANN("example: -> { foo }");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_LAMBDA, "lambda clause");
|
|
return;
|
|
|
|
case NODE_OPT_ARG:
|
|
ANN("optional arguments");
|
|
ANN("format: def method_name([nd_body=some], [nd_next..])");
|
|
ANN("example: def foo(a, b=1, c); end");
|
|
F_NODE(nd_body, RNODE_OPT_ARG, "body");
|
|
LAST_NODE;
|
|
F_NODE(nd_next, RNODE_OPT_ARG, "next");
|
|
return;
|
|
|
|
case NODE_KW_ARG:
|
|
ANN("keyword arguments");
|
|
ANN("format: def method_name([nd_body=some], [nd_next..])");
|
|
ANN("example: def foo(a:1, b:2); end");
|
|
F_NODE(nd_body, RNODE_KW_ARG, "body");
|
|
LAST_NODE;
|
|
F_NODE(nd_next, RNODE_KW_ARG, "next");
|
|
return;
|
|
|
|
case NODE_POSTARG:
|
|
ANN("post arguments");
|
|
ANN("format: *[nd_1st], [nd_2nd..] = ..");
|
|
ANN("example: a, *rest, z = foo");
|
|
if (NODE_NAMED_REST_P(RNODE_POSTARG(node)->nd_1st)) {
|
|
F_NODE(nd_1st, RNODE_POSTARG, "rest argument");
|
|
}
|
|
else {
|
|
F_MSG(nd_1st, "rest argument", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
|
|
}
|
|
LAST_NODE;
|
|
F_NODE(nd_2nd, RNODE_POSTARG, "post arguments");
|
|
return;
|
|
|
|
case NODE_ARGS:
|
|
ANN("method parameters");
|
|
ANN("format: def method_name(.., [nd_ainfo.nd_optargs], *[nd_ainfo.rest_arg], [nd_ainfo.first_post_arg], .., [nd_ainfo.kw_args], **[nd_ainfo.kw_rest_arg], &[nd_ainfo.block_arg])");
|
|
ANN("example: def foo(a, b, opt1=1, opt2=2, *rest, y, z, kw: 1, **kwrest, &blk); end");
|
|
F_INT(nd_ainfo.pre_args_num, RNODE_ARGS, "count of mandatory (pre-)arguments");
|
|
F_NODE(nd_ainfo.pre_init, RNODE_ARGS, "initialization of (pre-)arguments");
|
|
F_INT(nd_ainfo.post_args_num, RNODE_ARGS, "count of mandatory post-arguments");
|
|
F_NODE(nd_ainfo.post_init, RNODE_ARGS, "initialization of post-arguments");
|
|
F_ID(nd_ainfo.first_post_arg, RNODE_ARGS, "first post argument");
|
|
F_CUSTOM1(nd_ainfo.rest_arg, "rest argument") {
|
|
if (RNODE_ARGS(node)->nd_ainfo.rest_arg == NODE_SPECIAL_EXCESSIVE_COMMA) {
|
|
A("1 (excessed comma)");
|
|
}
|
|
else {
|
|
A_ID(RNODE_ARGS(node)->nd_ainfo.rest_arg);
|
|
}
|
|
}
|
|
F_ID(nd_ainfo.block_arg, RNODE_ARGS, "block argument");
|
|
F_NODE(nd_ainfo.opt_args, RNODE_ARGS, "optional arguments");
|
|
F_NODE(nd_ainfo.kw_args, RNODE_ARGS, "keyword arguments");
|
|
LAST_NODE;
|
|
F_NODE(nd_ainfo.kw_rest_arg, RNODE_ARGS, "keyword rest argument");
|
|
return;
|
|
|
|
case NODE_SCOPE:
|
|
ANN("new scope");
|
|
ANN("format: [nd_tbl]: local table, [nd_args]: arguments, [nd_body]: body");
|
|
F_CUSTOM1(nd_tbl, "local table") {
|
|
rb_ast_id_table_t *tbl = RNODE_SCOPE(node)->nd_tbl;
|
|
int i;
|
|
int size = tbl ? tbl->size : 0;
|
|
if (size == 0) A("(empty)");
|
|
for (i = 0; i < size; i++) {
|
|
A_ID(tbl->ids[i]); if (i < size - 1) A(",");
|
|
}
|
|
}
|
|
F_NODE(nd_args, RNODE_SCOPE, "arguments");
|
|
LAST_NODE;
|
|
F_NODE(nd_body, RNODE_SCOPE, "body");
|
|
return;
|
|
|
|
case NODE_ARYPTN:
|
|
ANN("array pattern");
|
|
ANN("format: [nd_pconst]([pre_args], ..., *[rest_arg], [post_args], ...)");
|
|
F_NODE(nd_pconst, RNODE_ARYPTN, "constant");
|
|
F_NODE(pre_args, RNODE_ARYPTN, "pre arguments");
|
|
if (NODE_NAMED_REST_P(RNODE_ARYPTN(node)->rest_arg)) {
|
|
F_NODE(rest_arg, RNODE_ARYPTN, "rest argument");
|
|
}
|
|
else {
|
|
F_MSG(rest_arg, "rest argument", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
|
|
}
|
|
LAST_NODE;
|
|
F_NODE(post_args, RNODE_ARYPTN, "post arguments");
|
|
return;
|
|
|
|
case NODE_FNDPTN:
|
|
ANN("find pattern");
|
|
ANN("format: [nd_pconst](*[pre_rest_arg], args, ..., *[post_rest_arg])");
|
|
F_NODE(nd_pconst, RNODE_FNDPTN, "constant");
|
|
if (NODE_NAMED_REST_P(RNODE_FNDPTN(node)->pre_rest_arg)) {
|
|
F_NODE(pre_rest_arg, RNODE_FNDPTN, "pre rest argument");
|
|
}
|
|
else {
|
|
F_MSG(pre_rest_arg, "pre rest argument", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
|
|
}
|
|
F_NODE(args, RNODE_FNDPTN, "arguments");
|
|
|
|
LAST_NODE;
|
|
if (NODE_NAMED_REST_P(RNODE_FNDPTN(node)->post_rest_arg)) {
|
|
F_NODE(post_rest_arg, RNODE_FNDPTN, "post rest argument");
|
|
}
|
|
else {
|
|
F_MSG(post_rest_arg, "post rest argument", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
|
|
}
|
|
return;
|
|
|
|
case NODE_HSHPTN:
|
|
ANN("hash pattern");
|
|
ANN("format: [nd_pconst]([nd_pkwargs], ..., **[nd_pkwrestarg])");
|
|
F_NODE(nd_pconst, RNODE_HSHPTN, "constant");
|
|
F_NODE(nd_pkwargs, RNODE_HSHPTN, "keyword arguments");
|
|
LAST_NODE;
|
|
if (RNODE_HSHPTN(node)->nd_pkwrestarg == NODE_SPECIAL_NO_REST_KEYWORD) {
|
|
F_MSG(nd_pkwrestarg, "keyword rest argument", "NODE_SPECIAL_NO_REST_KEYWORD (**nil)");
|
|
}
|
|
else {
|
|
F_NODE(nd_pkwrestarg, RNODE_HSHPTN, "keyword rest argument");
|
|
}
|
|
return;
|
|
|
|
case NODE_LINE:
|
|
ANN("line");
|
|
ANN("format: [lineno]");
|
|
ANN("example: __LINE__");
|
|
return;
|
|
|
|
case NODE_FILE:
|
|
ANN("line");
|
|
ANN("format: [path]");
|
|
ANN("example: __FILE__");
|
|
F_VALUE(path, rb_node_file_path_val(node), "path");
|
|
return;
|
|
|
|
case NODE_ENCODING:
|
|
ANN("encoding");
|
|
ANN("format: [enc]");
|
|
ANN("example: __ENCODING__");
|
|
F_VALUE(enc, rb_node_encoding_val(node), "enc");
|
|
break;
|
|
|
|
case NODE_ERROR:
|
|
ANN("Broken input recovered by Error Tolerant mode");
|
|
return;
|
|
|
|
case NODE_ARGS_AUX:
|
|
case NODE_RIPPER:
|
|
case NODE_RIPPER_VALUES:
|
|
case NODE_LAST:
|
|
break;
|
|
}
|
|
|
|
rb_bug("dump_node: unknown node: %s", ruby_node_name(nd_type(node)));
|
|
}
|
|
|
|
VALUE
|
|
rb_parser_dump_tree(const NODE *node, int comment)
|
|
{
|
|
VALUE buf = rb_str_new_cstr(
|
|
"###########################################################\n"
|
|
"## Do NOT use this node dump for any purpose other than ##\n"
|
|
"## debug and research. Compatibility is not guaranteed. ##\n"
|
|
"###########################################################\n\n"
|
|
);
|
|
dump_node(buf, rb_str_new_cstr("# "), comment, node);
|
|
return buf;
|
|
}
|