summaryrefslogtreecommitdiff
path: root/gcc/cp/dump.c
blob: d6dec6bb72d96ffb421a4f463e1b2de8e336ff56 (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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
/* Tree-dumping functionality for intermediate representation.
   Copyright (C) 1999-2015 Free Software Foundation, Inc.
   Written by Mark Mitchell <mark@codesourcery.com>

This file is part of GCC.

GCC 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 3, or (at your option)
any later version.

GCC 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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "cp-tree.h"
#include "tree-dump.h"

static void dump_access (dump_info_p, tree);

static void dump_op (dump_info_p, tree);

/* Dump a representation of the accessibility information associated
   with T.  */

static void
dump_access (dump_info_p di, tree t)
{
  if (TREE_PROTECTED(t))
    dump_string_field (di, "accs", "prot");
  else if (TREE_PRIVATE(t))
    dump_string_field (di, "accs", "priv");
  else
    dump_string_field (di, "accs", "pub");
}

/* Dump a representation of the specific operator for an overloaded
   operator associated with node t.  */

static void
dump_op (dump_info_p di, tree t)
{
  switch (DECL_OVERLOADED_OPERATOR_P (t)) {
    case NEW_EXPR:
      dump_string (di, "new");
      break;
    case VEC_NEW_EXPR:
      dump_string (di, "vecnew");
      break;
    case DELETE_EXPR:
      dump_string (di, "delete");
      break;
    case VEC_DELETE_EXPR:
      dump_string (di, "vecdelete");
      break;
    case UNARY_PLUS_EXPR:
      dump_string (di, "pos");
      break;
    case NEGATE_EXPR:
      dump_string (di, "neg");
      break;
    case ADDR_EXPR:
      dump_string (di, "addr");
      break;
    case INDIRECT_REF:
      dump_string(di, "deref");
      break;
    case BIT_NOT_EXPR:
      dump_string(di, "not");
      break;
    case TRUTH_NOT_EXPR:
      dump_string(di, "lnot");
      break;
    case PREINCREMENT_EXPR:
      dump_string(di, "preinc");
      break;
    case PREDECREMENT_EXPR:
      dump_string(di, "predec");
      break;
    case PLUS_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "plusassign");
      else
	dump_string(di, "plus");
      break;
    case MINUS_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "minusassign");
      else
	dump_string(di, "minus");
      break;
    case MULT_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "multassign");
      else
	dump_string (di, "mult");
      break;
    case TRUNC_DIV_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "divassign");
      else
	dump_string (di, "div");
      break;
    case TRUNC_MOD_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	 dump_string (di, "modassign");
      else
	dump_string (di, "mod");
      break;
    case BIT_AND_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "andassign");
      else
	dump_string (di, "and");
      break;
    case BIT_IOR_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "orassign");
      else
	dump_string (di, "or");
      break;
    case BIT_XOR_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "xorassign");
      else
	dump_string (di, "xor");
      break;
    case LSHIFT_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "lshiftassign");
      else
	dump_string (di, "lshift");
      break;
    case RSHIFT_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "rshiftassign");
      else
	dump_string (di, "rshift");
      break;
    case EQ_EXPR:
      dump_string (di, "eq");
      break;
    case NE_EXPR:
      dump_string (di, "ne");
      break;
    case LT_EXPR:
      dump_string (di, "lt");
      break;
    case GT_EXPR:
      dump_string (di, "gt");
      break;
    case LE_EXPR:
      dump_string (di, "le");
      break;
    case GE_EXPR:
      dump_string (di, "ge");
      break;
    case TRUTH_ANDIF_EXPR:
      dump_string (di, "land");
      break;
    case TRUTH_ORIF_EXPR:
      dump_string (di, "lor");
      break;
    case COMPOUND_EXPR:
      dump_string (di, "compound");
      break;
    case MEMBER_REF:
      dump_string (di, "memref");
      break;
    case COMPONENT_REF:
      dump_string (di, "ref");
      break;
    case ARRAY_REF:
      dump_string (di, "subs");
      break;
    case POSTINCREMENT_EXPR:
      dump_string (di, "postinc");
      break;
    case POSTDECREMENT_EXPR:
      dump_string (di, "postdec");
      break;
    case CALL_EXPR:
      dump_string (di, "call");
      break;
    case NOP_EXPR:
      if (DECL_ASSIGNMENT_OPERATOR_P (t))
	dump_string (di, "assign");
      break;
    default:
      break;
  }
}

/* Dump information common to statements from STMT.  */

static void
dump_stmt (dump_info_p di, const_tree t)
{
  if (EXPR_HAS_LOCATION (t))
    dump_int (di, "line", EXPR_LINENO (t));
}

bool
cp_dump_tree (void* dump_info, tree t)
{
  enum tree_code code;
  dump_info_p di = (dump_info_p) dump_info;

  /* Figure out what kind of node this is.  */
  code = TREE_CODE (t);

  if (DECL_P (t))
    {
      if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
	dump_string_field (di, "lang", language_to_string (DECL_LANGUAGE (t)));
    }

  switch (code)
    {
    case IDENTIFIER_NODE:
      if (IDENTIFIER_OPNAME_P (t))
	{
	  dump_string_field (di, "note", "operator");
	  return true;
	}
      else if (IDENTIFIER_TYPENAME_P (t))
	{
	  dump_child ("tynm", TREE_TYPE (t));
	  return true;
	}
      break;

    case OFFSET_TYPE:
      dump_string_field (di, "note", "ptrmem");
      dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
      dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
      return true;

    case RECORD_TYPE:
      if (TYPE_PTRMEMFUNC_P (t))
	{
	  dump_string_field (di, "note", "ptrmem");
	  dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
	  dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
	  return true;
	}
      /* Fall through.  */

    case UNION_TYPE:
      /* Is it a type used as a base? */
      if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
	  && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
	{
	  dump_child ("bfld", TYPE_CONTEXT (t));
	  return true;
	}

      if (! MAYBE_CLASS_TYPE_P (t))
	break;

      dump_child ("vfld", TYPE_VFIELD (t));
      if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
	dump_string(di, "spec");

      if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
	{
	  int i;
	  tree binfo;
	  tree base_binfo;

	  for (binfo = TYPE_BINFO (t), i = 0;
	       BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
	    {
	      dump_child ("base", BINFO_TYPE (base_binfo));
	      if (BINFO_VIRTUAL_P (base_binfo))
		dump_string_field (di, "spec", "virt");
	      dump_access (di, base_binfo);
	    }
	}
      break;

    case FIELD_DECL:
      dump_access (di, t);
      if (DECL_MUTABLE_P (t))
	dump_string_field (di, "spec", "mutable");
      break;

    case VAR_DECL:
      if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
	dump_access (di, t);
      if (TREE_STATIC (t) && !TREE_PUBLIC (t))
	dump_string_field (di, "link", "static");
      break;

    case FUNCTION_DECL:
      if (!DECL_THUNK_P (t))
	{
	  if (DECL_OVERLOADED_OPERATOR_P (t)) {
	    dump_string_field (di, "note", "operator");
	    dump_op (di, t);
	  }
	  if (DECL_FUNCTION_MEMBER_P (t))
	    {
	      dump_string_field (di, "note", "member");
	      dump_access (di, t);
	    }
	  if (DECL_PURE_VIRTUAL_P (t))
	    dump_string_field (di, "spec", "pure");
	  if (DECL_VIRTUAL_P (t))
	    dump_string_field (di, "spec", "virt");
	  if (DECL_CONSTRUCTOR_P (t))
	    dump_string_field (di, "note", "constructor");
	  if (DECL_DESTRUCTOR_P (t))
	    dump_string_field (di, "note", "destructor");
	  if (DECL_CONV_FN_P (t))
	    dump_string_field (di, "note", "conversion");
	  if (DECL_GLOBAL_CTOR_P (t))
	    dump_string_field (di, "note", "global init");
	  if (DECL_GLOBAL_DTOR_P (t))
	    dump_string_field (di, "note", "global fini");
	  if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
	    dump_string_field (di, "note", "pseudo tmpl");
	}
      else
	{
	  tree virt = THUNK_VIRTUAL_OFFSET (t);

	  dump_string_field (di, "note", "thunk");
	  if (DECL_THIS_THUNK_P (t))
	    dump_string_field (di, "note", "this adjusting");
	  else
	    {
	      dump_string_field (di, "note", "result adjusting");
	      if (virt)
		virt = BINFO_VPTR_FIELD (virt);
	    }
	  dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
	  if (virt)
	    dump_int (di, "virt", tree_to_shwi (virt));
	  dump_child ("fn", DECL_INITIAL (t));
	}
      break;

    case NAMESPACE_DECL:
      if (DECL_NAMESPACE_ALIAS (t))
	dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
      else if (!dump_flag (di, TDF_SLIM, t))
	dump_child ("dcls", cp_namespace_decls (t));
      break;

    case TEMPLATE_DECL:
      dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
      dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
      dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
      dump_child ("prms", DECL_TEMPLATE_PARMS (t));
      break;

    case OVERLOAD:
      dump_child ("crnt", OVL_CURRENT (t));
      dump_child ("chan", OVL_CHAIN (t));
      break;

    case TRY_BLOCK:
      dump_stmt (di, t);
      if (CLEANUP_P (t))
	dump_string_field (di, "note", "cleanup");
      dump_child ("body", TRY_STMTS (t));
      dump_child ("hdlr", TRY_HANDLERS (t));
      break;

    case EH_SPEC_BLOCK:
      dump_stmt (di, t);
      dump_child ("body", EH_SPEC_STMTS (t));
      dump_child ("raises", EH_SPEC_RAISES (t));
      break;

    case PTRMEM_CST:
      dump_child ("clas", PTRMEM_CST_CLASS (t));
      dump_child ("mbr", PTRMEM_CST_MEMBER (t));
      break;

    case THROW_EXPR:
      /* These nodes are unary, but do not have code class `1'.  */
      dump_child ("op 0", TREE_OPERAND (t, 0));
      break;

    case AGGR_INIT_EXPR:
      {
	int i = 0;
	tree arg;
	aggr_init_expr_arg_iterator iter;
	dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
	dump_child ("fn", AGGR_INIT_EXPR_FN (t));
	FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t)
	  {
	    char buffer[32];
	    sprintf (buffer, "%u", i);
	    dump_child (buffer, arg);
	    i++;
	  }
	dump_child ("decl", AGGR_INIT_EXPR_SLOT (t));
      }
      break;

    case HANDLER:
      dump_stmt (di, t);
      dump_child ("parm", HANDLER_PARMS (t));
      dump_child ("body", HANDLER_BODY (t));
      break;

    case MUST_NOT_THROW_EXPR:
      dump_stmt (di, t);
      dump_child ("body", TREE_OPERAND (t, 0));
      dump_child ("cond", MUST_NOT_THROW_COND (t));
      break;

    case USING_STMT:
      dump_stmt (di, t);
      dump_child ("nmsp", USING_STMT_NAMESPACE (t));
      break;

    case CLEANUP_STMT:
      dump_stmt (di, t);
      dump_child ("decl", CLEANUP_DECL (t));
      dump_child ("expr", CLEANUP_EXPR (t));
      dump_child ("body", CLEANUP_BODY (t));
      break;

    case IF_STMT:
      dump_stmt (di, t);
      dump_child ("cond", IF_COND (t));
      dump_child ("then", THEN_CLAUSE (t));
      dump_child ("else", ELSE_CLAUSE (t));
      break;

    case BREAK_STMT:
    case CONTINUE_STMT:
      dump_stmt (di, t);
      break;

    case DO_STMT:
      dump_stmt (di, t);
      dump_child ("body", DO_BODY (t));
      dump_child ("cond", DO_COND (t));
      break;

    case FOR_STMT:
      dump_stmt (di, t);
      dump_child ("init", FOR_INIT_STMT (t));
      dump_child ("cond", FOR_COND (t));
      dump_child ("expr", FOR_EXPR (t));
      dump_child ("body", FOR_BODY (t));
      break;

    case RANGE_FOR_STMT:
      dump_stmt (di, t);
      dump_child ("decl", RANGE_FOR_DECL (t));
      dump_child ("expr", RANGE_FOR_EXPR (t));
      dump_child ("body", RANGE_FOR_BODY (t));
      break;

    case SWITCH_STMT:
      dump_stmt (di, t);
      dump_child ("cond", SWITCH_STMT_COND (t));
      dump_child ("body", SWITCH_STMT_BODY (t));
      break;

    case WHILE_STMT:
      dump_stmt (di, t);
      dump_child ("cond", WHILE_COND (t));
      dump_child ("body", WHILE_BODY (t));
      break;

    case STMT_EXPR:
      dump_child ("stmt", STMT_EXPR_STMT (t));
      break;

    case EXPR_STMT:
      dump_stmt (di, t);
      dump_child ("expr", EXPR_STMT_EXPR (t));
      break;

    default:
      break;
    }

  return c_dump_tree (di, t);
}