summaryrefslogtreecommitdiff
path: root/debug.c
blob: 392ace3e5c34db5f2e86499ea222164264cca5c2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/**********************************************************************

  debug.c -

  $Author: akr $
  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"
#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_ENCODING_INLINE_MAX = ENCODING_INLINE_MAX,
        RUBY_ENCODING_SHIFT = ENCODING_SHIFT,
        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_FL_NEWLINE   = NODE_FL_NEWLINE
    } various;
} ruby_dummy_gdb_enums;

const VALUE RUBY_FL_USER19    = FL_USER19;
const SIGNED_VALUE RUBY_NODE_LMASK = NODE_LMASK;
const VALUE RUBY_ENCODING_MASK  = ENCODING_MASK;

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);
}

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 == (VALUE)(SIGNED_VALUE)-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 (%u)\n", header,
		ruby_node_name(nd_type(node)), nd_line(node));
    }
    return (NODE *)node;
}

void
ruby_debug_breakpoint(void)
{
    /* */
}

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);
#if defined _WIN32 && defined _MSC_VER && _MSC_VER >= 1400
    SET_WHEN("rtc_error", ruby_w32_rtc_error);
#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);
}