ruby/debug.c

158 строки
3.5 KiB
C

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