-
Notifications
You must be signed in to change notification settings - Fork 0
/
debug.cpp
146 lines (124 loc) · 4.05 KB
/
debug.cpp
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
/* debug.cpp
*
* C Compiler project (cc)
* Copyright (C) 2002-03 Eugeniy Gryaznov (gryaznov@front.ru)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "cc.h"
#ifdef DEBUG_TREE
// sym::storage
const static char *sym_storage[] = {
"scs_none", // 0,
"scs_extern", // 1,
"scs_static", // 2,
"scs_auto", // 3,
"scs_register",// 4,
"scs_typedef", // 5,
"scs_???", // 6,
"scs_imm", // 7,
"scs_bitfield",// 8,
"scs_member", // 9,
"scs_arg", // 10,
"scs_arg_reg", // 11,
"scs_label", // 12,
"scs_code", // 13,
};
// sym::ns_modifier
static const char *sym_ns_mod( int i ) {
switch( i ) {
case 0: return "sym";
case t_struct: return "struct";
case t_union: return "union";
case t_enum: return "enum";
case t_typename:return "typename";
case t_label: return "label";
default: return "unknown_ns_modifier";
}
}
void debug_show_sym( Sym s, int deep )
{
while( s ) {
const char *storage, *tag;
storage = ( s->storage >= 0 && s->storage < scs_max ) ? sym_storage[s->storage] : "scs_unkn";
tag = sym_ns_mod( s->ns_modifier );
printf( "sym(\n%*sname='%s' mod='%s'", deep+4, "", s->name ? s->name : "", tag );
if( !s->ns_modifier )
printf( " storage='%s'", storage );
switch( s->storage ) {
case scs_imm: printf( " value=%I64u", s->loc.val.u );break;
case scs_arg: case scs_arg_reg: printf( " offset=%u", s->loc.arg.offset );break;
case scs_member: case scs_bitfield: printf( " offset=%u", s->loc.member.offset );break;
}
printf( "\n%*s", deep+4, "" );
debug_show_type( s->type, deep+4 );
s = s->next;
printf( "%*s)%s", deep, "", s ? " => " : "\n" );
}
}
const char *aggr_type_spec[] = {
"t_typename", // 0x40
"t_struct", // 0x41
"t_union", // 0x42
"t_array", // 0x43
"t_func", // 0x44
"t_pointer", // 0x45
"t_enum", // 0x46
"t_label", // 0x47
};
void debug_show_type( Type t, int deep )
{
const char *spec;
char qual[128];
Type s = t;
printf( "type(\n" );
while( s ) {
spec = ( BASICTYPE(s) ) ? tdescr[T(s)].name :
( ( T(s) >= t_typename && T(s) <= t_label ) ?
aggr_type_spec[T(s)-t_typename] :
"unkn_spec" );
qual[0] = qual[1] = 0;
if( Q(s) & tq_const ) strcat( qual, " const" );
if( Q(s) & tq_volatile ) strcat( qual, " volatile" );
if( Q(s) & tq_restrict ) strcat( qual, " restrict" );
printf( "%*sspecifier='%s' qual='%s' size=%i align=%i", deep+4, "", spec, qual+1, s->size, s->align );
if( ( T(s) == t_struct || T(s) == t_union ) && s->tagname )
printf( " tag='%s'", s->tagname );
if( T(s) == t_array ) {
if( s->ar_size_val > 0 )
printf( " dim=%i", s->ar_size_val );
else if( s->ar_size_val == 0 )
printf( " dim=undef" );
else
printf( " dim=var" );
}
printf( s->parent ? " =>\n" : "\n" );
if( (T(s) == t_struct || T(s) == t_union) && s == t && s->params ) {
printf( "%*scontains = ", deep+4, "" );
debug_show_sym( s->params, deep + 8 );
} else if( s->specifier == t_func ) {
if( s->params ) {
printf( "%*sparams = ", deep+4, "" );
debug_show_sym( s->params, deep + 8 );
}
printf( "%*sreturn = ", deep+4, "" );
debug_show_type( s->parent, deep + 8 );
break;
}
s = s->parent;
}
printf( "%*s)\n", deep, "" );
}
#endif