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/**********************************************************************
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 "debug.h"
#include "eval_intern.h"
#include "vm_core.h"
/* for gdb */
static 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_ENCODING_INLINE_MAX = ENCODING_INLINE_MAX,
RUBY_ENCODING_SHIFT = ENCODING_SHIFT,
RUBY_ENCODING_MASK = ENCODING_MASK,
RUBY_ENC_CODERANGE_MASK = ENC_CODERANGE_MASK,
RUBY_ENC_CODERANGE_UNKNOWN = ENC_CODERANGE_UNKNOWN,
RUBY_ENC_CODERANGE_7BIT = ENC_CODERANGE_7BIT,
RUBY_ENC_CODERANGE_VALID = ENC_CODERANGE_VALID,
RUBY_ENC_CODERANGE_BROKEN = ENC_CODERANGE_BROKEN,
RUBY_FL_MARK = FL_MARK,
RUBY_FL_RESERVED = FL_RESERVED,
RUBY_FL_FINALIZE = FL_FINALIZE,
RUBY_FL_TAINT = FL_TAINT,
RUBY_FL_UNTRUSTED = FL_UNTRUSTED,
RUBY_FL_EXIVAR = FL_EXIVAR,
RUBY_FL_FREEZE = FL_FREEZE,
RUBY_FL_SINGLETON = FL_SINGLETON,
RUBY_FL_USER0 = FL_USER0,
RUBY_FL_USER1 = FL_USER1,
RUBY_FL_USER2 = FL_USER2,
RUBY_FL_USER3 = FL_USER3,
RUBY_FL_USER4 = FL_USER4,
RUBY_FL_USER5 = FL_USER5,
RUBY_FL_USER6 = FL_USER6,
RUBY_FL_USER7 = FL_USER7,
RUBY_FL_USER8 = FL_USER8,
RUBY_FL_USER9 = FL_USER9,
RUBY_FL_USER10 = FL_USER10,
RUBY_FL_USER11 = FL_USER11,
RUBY_FL_USER12 = FL_USER12,
RUBY_FL_USER13 = FL_USER13,
RUBY_FL_USER14 = FL_USER14,
RUBY_FL_USER15 = FL_USER15,
RUBY_FL_USER16 = FL_USER16,
RUBY_FL_USER17 = FL_USER17,
RUBY_FL_USER18 = FL_USER18,
RUBY_FL_USHIFT = FL_USHIFT,
RUBY_NODE_TYPESHIFT = NODE_TYPESHIFT,
RUBY_NODE_TYPEMASK = NODE_TYPEMASK,
RUBY_NODE_LSHIFT = NODE_LSHIFT,
RUBY_NODE_LMASK = NODE_LMASK,
RUBY_NODE_FL_NEWLINE = NODE_FL_NEWLINE
} various;
} dummy_gdb_enums;
const VALUE RUBY_FL_USER19 = FL_USER19;
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 Qtrue;
}
return Qfalse;
}
void
ruby_debug_printf(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
}
VALUE
ruby_debug_print_value(int level, int debug_level, const char *header, VALUE obj)
{
if (level < debug_level) {
VALUE str;
str = rb_inspect(obj);
fprintf(stderr, "DBG> %s: %s\n", header,
obj == -1 ? "" : StringValueCStr(str));
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 (%lu)\n", header,
ruby_node_name(nd_type(node)), nd_line(node));
}
return (NODE *)node;
}
void
ruby_debug_breakpoint(void)
{
/* */
}
#ifdef RUBY_DEBUG_ENV
static void
set_debug_option(const char *str, int len, void *arg)
{
#define SET_WHEN(name, var) do { \
if (len == sizeof(name) - 1 && \
strncmp(str, name, len) == 0) { \
extern int var; \
var = 1; \
return; \
} \
} while (0)
SET_WHEN("gc_stress", *ruby_initial_gc_stress_ptr);
SET_WHEN("core", ruby_enable_coredump);
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);
}
#endif
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