зеркало из https://github.com/github/ruby.git
158 строки
3.5 KiB
C
158 строки
3.5 KiB
C
/**********************************************************************
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debug.c -
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$Author$
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created at: 04/08/25 02:31:54 JST
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Copyright (C) 2004-2007 Koichi Sasada
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**********************************************************************/
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#include "ruby/ruby.h"
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#include "ruby/encoding.h"
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#include "ruby/util.h"
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#include "vm_debug.h"
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#include "eval_intern.h"
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#include "vm_core.h"
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#include "id.h"
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/* for gdb */
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const union {
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enum ruby_special_consts special_consts;
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enum ruby_value_type value_type;
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enum ruby_tag_type tag_type;
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enum node_type node_type;
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enum ruby_method_ids method_ids;
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enum ruby_id_types id_types;
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enum ruby_fl_type fl_types;
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enum ruby_encoding_consts encoding_consts;
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enum ruby_coderange_type enc_coderange_types;
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enum ruby_econv_flag_type econv_flag_types;
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enum {
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RUBY_NODE_TYPESHIFT = NODE_TYPESHIFT,
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RUBY_NODE_TYPEMASK = NODE_TYPEMASK,
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RUBY_NODE_LSHIFT = NODE_LSHIFT,
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RUBY_NODE_FL_NEWLINE = NODE_FL_NEWLINE
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} various;
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} ruby_dummy_gdb_enums;
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const SIGNED_VALUE RUBY_NODE_LMASK = NODE_LMASK;
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int
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ruby_debug_print_indent(int level, int debug_level, int indent_level)
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{
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if (level < debug_level) {
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fprintf(stderr, "%*s", indent_level, "");
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fflush(stderr);
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return TRUE;
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}
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return FALSE;
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}
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void
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ruby_debug_printf(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vfprintf(stderr, format, ap);
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va_end(ap);
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}
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#include "gc.h"
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VALUE
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ruby_debug_print_value(int level, int debug_level, const char *header, VALUE obj)
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{
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if (level < debug_level) {
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char buff[0x100];
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rb_raw_obj_info(buff, 0x100, obj);
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fprintf(stderr, "DBG> %s: %s\n", header, buff);
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fflush(stderr);
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}
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return obj;
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}
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void
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ruby_debug_print_v(VALUE v)
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{
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ruby_debug_print_value(0, 1, "", v);
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}
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ID
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ruby_debug_print_id(int level, int debug_level, const char *header, ID id)
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{
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if (level < debug_level) {
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fprintf(stderr, "DBG> %s: %s\n", header, rb_id2name(id));
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fflush(stderr);
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}
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return id;
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}
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NODE *
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ruby_debug_print_node(int level, int debug_level, const char *header, const NODE *node)
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{
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if (level < debug_level) {
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fprintf(stderr, "DBG> %s: %s (%u)\n", header,
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ruby_node_name(nd_type(node)), nd_line(node));
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}
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return (NODE *)node;
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}
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void
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ruby_debug_breakpoint(void)
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{
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/* */
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}
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#if defined _WIN32
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# if RUBY_MSVCRT_VERSION >= 80
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extern int ruby_w32_rtc_error;
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# endif
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UINT ruby_w32_codepage;
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#endif
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static void
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set_debug_option(const char *str, int len, void *arg)
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{
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#define SET_WHEN(name, var, val) do { \
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if (len == sizeof(name) - 1 && \
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strncmp(str, (name), len) == 0) { \
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(var) = (val); \
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return; \
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} \
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} while (0)
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#define NAME_MATCH_VALUE(name) \
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((size_t)len > sizeof(name) && \
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strncmp(str, (name), sizeof(name)-1) == 0 && \
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str[sizeof(name)-1] == '=' && \
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(str += sizeof(name), len -= sizeof(name), 1))
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SET_WHEN("gc_stress", *ruby_initial_gc_stress_ptr, Qtrue);
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SET_WHEN("core", ruby_enable_coredump, 1);
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#if defined _WIN32
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# if RUBY_MSVCRT_VERSION >= 80
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SET_WHEN("rtc_error", ruby_w32_rtc_error, 1);
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# endif
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{
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int ov;
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size_t retlen;
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unsigned long n;
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if (NAME_MATCH_VALUE("codepage") &&
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(n = ruby_scan_digits(str, len, 10, &retlen, &ov),
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(size_t)len == retlen && !ov)) {
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ruby_w32_codepage = (UINT)n;
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}
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return;
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}
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#endif
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fprintf(stderr, "unexpected debug option: %.*s\n", len, str);
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}
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void
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ruby_set_debug_option(const char *str)
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{
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ruby_each_words(str, set_debug_option, 0);
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}
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