2015-12-18 Ville Voutilainen <ville.voutilainen@gmail.com>
[official-gcc.git] / gcc / print-tree.c
blobcb0f1fd38f42fe4ddcd6c7c25b64f8572bc27d76
1 /* Prints out tree in human readable form - GCC
2 Copyright (C) 1990-2015 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "tm.h"
25 #include "tree.h"
26 #include "cgraph.h"
27 #include "diagnostic.h"
28 #include "varasm.h"
29 #include "print-rtl.h"
30 #include "stor-layout.h"
31 #include "langhooks.h"
32 #include "tree-iterator.h"
33 #include "gimple-pretty-print.h" /* FIXME */
34 #include "tree-cfg.h"
35 #include "tree-dump.h"
37 /* Define the hash table of nodes already seen.
38 Such nodes are not repeated; brief cross-references are used. */
40 #define HASH_SIZE 37
42 struct bucket
44 tree node;
45 struct bucket *next;
48 static struct bucket **table;
50 /* Print PREFIX and ADDR to FILE. */
51 void
52 dump_addr (FILE *file, const char *prefix, const void *addr)
54 if (flag_dump_noaddr || flag_dump_unnumbered)
55 fprintf (file, "%s#", prefix);
56 else
57 fprintf (file, "%s" HOST_PTR_PRINTF, prefix, addr);
60 /* Print a node in brief fashion, with just the code, address and name. */
62 void
63 print_node_brief (FILE *file, const char *prefix, const_tree node, int indent)
65 enum tree_code_class tclass;
67 if (node == 0)
68 return;
70 tclass = TREE_CODE_CLASS (TREE_CODE (node));
72 /* Always print the slot this node is in, and its code, address and
73 name if any. */
74 if (indent > 0)
75 fprintf (file, " ");
76 fprintf (file, "%s <%s", prefix, get_tree_code_name (TREE_CODE (node)));
77 dump_addr (file, " ", node);
79 if (tclass == tcc_declaration)
81 if (DECL_NAME (node))
82 fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
83 else if (TREE_CODE (node) == LABEL_DECL
84 && LABEL_DECL_UID (node) != -1)
86 if (dump_flags & TDF_NOUID)
87 fprintf (file, " L.xxxx");
88 else
89 fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
91 else
93 if (dump_flags & TDF_NOUID)
94 fprintf (file, " %c.xxxx",
95 TREE_CODE (node) == CONST_DECL ? 'C' : 'D');
96 else
97 fprintf (file, " %c.%u",
98 TREE_CODE (node) == CONST_DECL ? 'C' : 'D',
99 DECL_UID (node));
102 else if (tclass == tcc_type)
104 if (TYPE_NAME (node))
106 if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
107 fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
108 else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
109 && DECL_NAME (TYPE_NAME (node)))
110 fprintf (file, " %s",
111 IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
113 if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
114 fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
116 if (TREE_CODE (node) == IDENTIFIER_NODE)
117 fprintf (file, " %s", IDENTIFIER_POINTER (node));
119 /* We might as well always print the value of an integer or real. */
120 if (TREE_CODE (node) == INTEGER_CST)
122 if (TREE_OVERFLOW (node))
123 fprintf (file, " overflow");
125 fprintf (file, " ");
126 print_dec (node, file, TYPE_SIGN (TREE_TYPE (node)));
128 if (TREE_CODE (node) == REAL_CST)
130 REAL_VALUE_TYPE d;
132 if (TREE_OVERFLOW (node))
133 fprintf (file, " overflow");
135 d = TREE_REAL_CST (node);
136 if (REAL_VALUE_ISINF (d))
137 fprintf (file, REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
138 else if (REAL_VALUE_ISNAN (d))
139 fprintf (file, " Nan");
140 else
142 char string[60];
143 real_to_decimal (string, &d, sizeof (string), 0, 1);
144 fprintf (file, " %s", string);
147 if (TREE_CODE (node) == FIXED_CST)
149 FIXED_VALUE_TYPE f;
150 char string[60];
152 if (TREE_OVERFLOW (node))
153 fprintf (file, " overflow");
155 f = TREE_FIXED_CST (node);
156 fixed_to_decimal (string, &f, sizeof (string));
157 fprintf (file, " %s", string);
160 fprintf (file, ">");
163 void
164 indent_to (FILE *file, int column)
166 int i;
168 /* Since this is the long way, indent to desired column. */
169 if (column > 0)
170 fprintf (file, "\n");
171 for (i = 0; i < column; i++)
172 fprintf (file, " ");
175 /* Print the node NODE in full on file FILE, preceded by PREFIX,
176 starting in column INDENT. */
178 void
179 print_node (FILE *file, const char *prefix, tree node, int indent)
181 int hash;
182 struct bucket *b;
183 machine_mode mode;
184 enum tree_code_class tclass;
185 int len;
186 int i;
187 expanded_location xloc;
188 enum tree_code code;
190 if (node == 0)
191 return;
193 code = TREE_CODE (node);
194 tclass = TREE_CODE_CLASS (code);
196 /* Don't get too deep in nesting. If the user wants to see deeper,
197 it is easy to use the address of a lowest-level node
198 as an argument in another call to debug_tree. */
200 if (indent > 24)
202 print_node_brief (file, prefix, node, indent);
203 return;
206 if (indent > 8 && (tclass == tcc_type || tclass == tcc_declaration))
208 print_node_brief (file, prefix, node, indent);
209 return;
212 /* It is unsafe to look at any other fields of an ERROR_MARK node. */
213 if (code == ERROR_MARK)
215 print_node_brief (file, prefix, node, indent);
216 return;
219 /* Allow this function to be called if the table is not there. */
220 if (table)
222 hash = ((uintptr_t) node) % HASH_SIZE;
224 /* If node is in the table, just mention its address. */
225 for (b = table[hash]; b; b = b->next)
226 if (b->node == node)
228 print_node_brief (file, prefix, node, indent);
229 return;
232 /* Add this node to the table. */
233 b = XNEW (struct bucket);
234 b->node = node;
235 b->next = table[hash];
236 table[hash] = b;
239 /* Indent to the specified column, since this is the long form. */
240 indent_to (file, indent);
242 /* Print the slot this node is in, and its code, and address. */
243 fprintf (file, "%s <%s", prefix, get_tree_code_name (code));
244 dump_addr (file, " ", node);
246 /* Print the name, if any. */
247 if (tclass == tcc_declaration)
249 if (DECL_NAME (node))
250 fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
251 else if (code == LABEL_DECL
252 && LABEL_DECL_UID (node) != -1)
254 if (dump_flags & TDF_NOUID)
255 fprintf (file, " L.xxxx");
256 else
257 fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
259 else
261 if (dump_flags & TDF_NOUID)
262 fprintf (file, " %c.xxxx", code == CONST_DECL ? 'C' : 'D');
263 else
264 fprintf (file, " %c.%u", code == CONST_DECL ? 'C' : 'D',
265 DECL_UID (node));
268 else if (tclass == tcc_type)
270 if (TYPE_NAME (node))
272 if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
273 fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
274 else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
275 && DECL_NAME (TYPE_NAME (node)))
276 fprintf (file, " %s",
277 IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
280 if (code == IDENTIFIER_NODE)
281 fprintf (file, " %s", IDENTIFIER_POINTER (node));
283 if (code == INTEGER_CST)
285 if (indent <= 4)
286 print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
288 else if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
290 print_node (file, "type", TREE_TYPE (node), indent + 4);
291 if (TREE_TYPE (node))
292 indent_to (file, indent + 3);
295 if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
296 fputs (" side-effects", file);
298 if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
299 fputs (" readonly", file);
300 if (TYPE_P (node) && TYPE_ATOMIC (node))
301 fputs (" atomic", file);
302 if (!TYPE_P (node) && TREE_CONSTANT (node))
303 fputs (" constant", file);
304 else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
305 fputs (" sizes-gimplified", file);
307 if (TYPE_P (node) && !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
308 fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
310 if (TREE_ADDRESSABLE (node))
311 fputs (" addressable", file);
312 if (TREE_THIS_VOLATILE (node))
313 fputs (" volatile", file);
314 if (TREE_ASM_WRITTEN (node))
315 fputs (" asm_written", file);
316 if (TREE_USED (node))
317 fputs (" used", file);
318 if (TREE_NOTHROW (node))
319 fputs (TYPE_P (node) ? " align-ok" : " nothrow", file);
320 if (TREE_PUBLIC (node))
321 fputs (" public", file);
322 if (TREE_PRIVATE (node))
323 fputs (" private", file);
324 if (TREE_PROTECTED (node))
325 fputs (" protected", file);
326 if (TREE_STATIC (node))
327 fputs (" static", file);
328 if (TREE_DEPRECATED (node))
329 fputs (" deprecated", file);
330 if (TREE_VISITED (node))
331 fputs (" visited", file);
333 if (code != TREE_VEC && code != INTEGER_CST && code != SSA_NAME)
335 if (TREE_LANG_FLAG_0 (node))
336 fputs (" tree_0", file);
337 if (TREE_LANG_FLAG_1 (node))
338 fputs (" tree_1", file);
339 if (TREE_LANG_FLAG_2 (node))
340 fputs (" tree_2", file);
341 if (TREE_LANG_FLAG_3 (node))
342 fputs (" tree_3", file);
343 if (TREE_LANG_FLAG_4 (node))
344 fputs (" tree_4", file);
345 if (TREE_LANG_FLAG_5 (node))
346 fputs (" tree_5", file);
347 if (TREE_LANG_FLAG_6 (node))
348 fputs (" tree_6", file);
351 /* DECL_ nodes have additional attributes. */
353 switch (TREE_CODE_CLASS (code))
355 case tcc_declaration:
356 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
358 if (DECL_UNSIGNED (node))
359 fputs (" unsigned", file);
360 if (DECL_IGNORED_P (node))
361 fputs (" ignored", file);
362 if (DECL_ABSTRACT_P (node))
363 fputs (" abstract", file);
364 if (DECL_EXTERNAL (node))
365 fputs (" external", file);
366 if (DECL_NONLOCAL (node))
367 fputs (" nonlocal", file);
369 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
371 if (DECL_WEAK (node))
372 fputs (" weak", file);
373 if (DECL_IN_SYSTEM_HEADER (node))
374 fputs (" in_system_header", file);
376 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
377 && code != LABEL_DECL
378 && code != FUNCTION_DECL
379 && DECL_REGISTER (node))
380 fputs (" regdecl", file);
382 if (code == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
383 fputs (" suppress-debug", file);
385 if (code == FUNCTION_DECL
386 && DECL_FUNCTION_SPECIFIC_TARGET (node))
387 fputs (" function-specific-target", file);
388 if (code == FUNCTION_DECL
389 && DECL_FUNCTION_SPECIFIC_OPTIMIZATION (node))
390 fputs (" function-specific-opt", file);
391 if (code == FUNCTION_DECL && DECL_DECLARED_INLINE_P (node))
392 fputs (" autoinline", file);
393 if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
394 fputs (" built-in", file);
395 if (code == FUNCTION_DECL && DECL_STATIC_CHAIN (node))
396 fputs (" static-chain", file);
397 if (TREE_CODE (node) == FUNCTION_DECL && decl_is_tm_clone (node))
398 fputs (" tm-clone", file);
400 if (code == FIELD_DECL && DECL_PACKED (node))
401 fputs (" packed", file);
402 if (code == FIELD_DECL && DECL_BIT_FIELD (node))
403 fputs (" bit-field", file);
404 if (code == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
405 fputs (" nonaddressable", file);
407 if (code == LABEL_DECL && EH_LANDING_PAD_NR (node))
408 fprintf (file, " landing-pad:%d", EH_LANDING_PAD_NR (node));
410 if (code == VAR_DECL && DECL_IN_TEXT_SECTION (node))
411 fputs (" in-text-section", file);
412 if (code == VAR_DECL && DECL_IN_CONSTANT_POOL (node))
413 fputs (" in-constant-pool", file);
414 if (code == VAR_DECL && DECL_COMMON (node))
415 fputs (" common", file);
416 if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
418 fputs (" ", file);
419 fputs (tls_model_names[DECL_TLS_MODEL (node)], file);
422 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
424 if (DECL_VIRTUAL_P (node))
425 fputs (" virtual", file);
426 if (DECL_PRESERVE_P (node))
427 fputs (" preserve", file);
428 if (DECL_LANG_FLAG_0 (node))
429 fputs (" decl_0", file);
430 if (DECL_LANG_FLAG_1 (node))
431 fputs (" decl_1", file);
432 if (DECL_LANG_FLAG_2 (node))
433 fputs (" decl_2", file);
434 if (DECL_LANG_FLAG_3 (node))
435 fputs (" decl_3", file);
436 if (DECL_LANG_FLAG_4 (node))
437 fputs (" decl_4", file);
438 if (DECL_LANG_FLAG_5 (node))
439 fputs (" decl_5", file);
440 if (DECL_LANG_FLAG_6 (node))
441 fputs (" decl_6", file);
442 if (DECL_LANG_FLAG_7 (node))
443 fputs (" decl_7", file);
445 mode = DECL_MODE (node);
446 fprintf (file, " %s", GET_MODE_NAME (mode));
449 if ((code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL)
450 && DECL_BY_REFERENCE (node))
451 fputs (" passed-by-reference", file);
453 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS) && DECL_DEFER_OUTPUT (node))
454 fputs (" defer-output", file);
457 xloc = expand_location (DECL_SOURCE_LOCATION (node));
458 fprintf (file, " file %s line %d col %d", xloc.file, xloc.line,
459 xloc.column);
461 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
463 print_node (file, "size", DECL_SIZE (node), indent + 4);
464 print_node (file, "unit size", DECL_SIZE_UNIT (node), indent + 4);
466 if (code != FUNCTION_DECL || DECL_BUILT_IN (node))
467 indent_to (file, indent + 3);
469 if (DECL_USER_ALIGN (node))
470 fprintf (file, " user");
472 fprintf (file, " align %d", DECL_ALIGN (node));
473 if (code == FIELD_DECL)
474 fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
475 DECL_OFFSET_ALIGN (node));
477 if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
479 if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
480 fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
481 else
482 fprintf (file, " built-in %s:%s",
483 built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
484 built_in_names[(int) DECL_FUNCTION_CODE (node)]);
487 if (code == FIELD_DECL)
489 print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
490 print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
491 indent + 4);
492 if (DECL_BIT_FIELD_TYPE (node))
493 print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
494 indent + 4);
497 print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
499 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
501 print_node_brief (file, "attributes",
502 DECL_ATTRIBUTES (node), indent + 4);
503 if (code != PARM_DECL)
504 print_node_brief (file, "initial", DECL_INITIAL (node),
505 indent + 4);
507 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
509 print_node_brief (file, "abstract_origin",
510 DECL_ABSTRACT_ORIGIN (node), indent + 4);
512 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
514 print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
517 lang_hooks.print_decl (file, node, indent);
519 if (DECL_RTL_SET_P (node))
521 indent_to (file, indent + 4);
522 print_rtl (file, DECL_RTL (node));
525 if (code == PARM_DECL)
527 print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
529 if (DECL_INCOMING_RTL (node) != 0)
531 indent_to (file, indent + 4);
532 fprintf (file, "incoming-rtl ");
533 print_rtl (file, DECL_INCOMING_RTL (node));
536 else if (code == FUNCTION_DECL
537 && DECL_STRUCT_FUNCTION (node) != 0)
539 print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
540 indent_to (file, indent + 4);
541 dump_addr (file, "struct-function ", DECL_STRUCT_FUNCTION (node));
544 if ((code == VAR_DECL || code == PARM_DECL)
545 && DECL_HAS_VALUE_EXPR_P (node))
546 print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
548 /* Print the decl chain only if decl is at second level. */
549 if (indent == 4)
550 print_node (file, "chain", TREE_CHAIN (node), indent + 4);
551 else
552 print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
553 break;
555 case tcc_type:
556 if (TYPE_UNSIGNED (node))
557 fputs (" unsigned", file);
559 if (TYPE_NO_FORCE_BLK (node))
560 fputs (" no-force-blk", file);
562 if (TYPE_STRING_FLAG (node))
563 fputs (" string-flag", file);
565 if (TYPE_NEEDS_CONSTRUCTING (node))
566 fputs (" needs-constructing", file);
568 if ((code == RECORD_TYPE
569 || code == UNION_TYPE
570 || code == QUAL_UNION_TYPE
571 || code == ARRAY_TYPE)
572 && TYPE_REVERSE_STORAGE_ORDER (node))
573 fputs (" reverse-storage-order", file);
575 /* The transparent-union flag is used for different things in
576 different nodes. */
577 if ((code == UNION_TYPE || code == RECORD_TYPE)
578 && TYPE_TRANSPARENT_AGGR (node))
579 fputs (" transparent-aggr", file);
580 else if (code == ARRAY_TYPE
581 && TYPE_NONALIASED_COMPONENT (node))
582 fputs (" nonaliased-component", file);
584 if (TYPE_PACKED (node))
585 fputs (" packed", file);
587 if (TYPE_RESTRICT (node))
588 fputs (" restrict", file);
590 if (TYPE_LANG_FLAG_0 (node))
591 fputs (" type_0", file);
592 if (TYPE_LANG_FLAG_1 (node))
593 fputs (" type_1", file);
594 if (TYPE_LANG_FLAG_2 (node))
595 fputs (" type_2", file);
596 if (TYPE_LANG_FLAG_3 (node))
597 fputs (" type_3", file);
598 if (TYPE_LANG_FLAG_4 (node))
599 fputs (" type_4", file);
600 if (TYPE_LANG_FLAG_5 (node))
601 fputs (" type_5", file);
602 if (TYPE_LANG_FLAG_6 (node))
603 fputs (" type_6", file);
605 mode = TYPE_MODE (node);
606 fprintf (file, " %s", GET_MODE_NAME (mode));
608 print_node (file, "size", TYPE_SIZE (node), indent + 4);
609 print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
610 indent_to (file, indent + 3);
612 if (TYPE_USER_ALIGN (node))
613 fprintf (file, " user");
615 fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
616 TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
617 (HOST_WIDE_INT) TYPE_ALIAS_SET (node));
619 if (TYPE_STRUCTURAL_EQUALITY_P (node))
620 fprintf (file, " structural equality");
621 else
622 dump_addr (file, " canonical type ", TYPE_CANONICAL (node));
624 print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
626 if (INTEGRAL_TYPE_P (node) || code == REAL_TYPE
627 || code == FIXED_POINT_TYPE)
629 fprintf (file, " precision %d", TYPE_PRECISION (node));
630 print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
631 print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
634 if (code == ENUMERAL_TYPE)
635 print_node (file, "values", TYPE_VALUES (node), indent + 4);
636 else if (code == ARRAY_TYPE)
637 print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
638 else if (code == VECTOR_TYPE)
639 fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
640 else if (code == RECORD_TYPE
641 || code == UNION_TYPE
642 || code == QUAL_UNION_TYPE)
643 print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
644 else if (code == FUNCTION_TYPE
645 || code == METHOD_TYPE)
647 if (TYPE_METHOD_BASETYPE (node))
648 print_node_brief (file, "method basetype",
649 TYPE_METHOD_BASETYPE (node), indent + 4);
650 print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
652 else if (code == OFFSET_TYPE)
653 print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
654 indent + 4);
656 if (TYPE_CONTEXT (node))
657 print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
659 lang_hooks.print_type (file, node, indent);
661 if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
662 indent_to (file, indent + 3);
664 print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
665 indent + 4);
666 print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
667 indent + 4);
668 print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
669 break;
671 case tcc_expression:
672 case tcc_comparison:
673 case tcc_unary:
674 case tcc_binary:
675 case tcc_reference:
676 case tcc_statement:
677 case tcc_vl_exp:
678 if (code == BIND_EXPR)
680 print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
681 print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
682 print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
683 break;
685 if (code == CALL_EXPR)
687 call_expr_arg_iterator iter;
688 tree arg;
689 print_node (file, "fn", CALL_EXPR_FN (node), indent + 4);
690 print_node (file, "static_chain", CALL_EXPR_STATIC_CHAIN (node),
691 indent + 4);
692 i = 0;
693 FOR_EACH_CALL_EXPR_ARG (arg, iter, node)
695 char temp[10];
696 sprintf (temp, "arg %d", i);
697 print_node (file, temp, arg, indent + 4);
698 i++;
701 else
703 len = TREE_OPERAND_LENGTH (node);
705 for (i = 0; i < len; i++)
707 char temp[10];
709 sprintf (temp, "arg %d", i);
710 print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
713 if (CODE_CONTAINS_STRUCT (code, TS_COMMON))
714 print_node (file, "chain", TREE_CHAIN (node), indent + 4);
715 break;
717 case tcc_constant:
718 case tcc_exceptional:
719 switch (code)
721 case INTEGER_CST:
722 if (TREE_OVERFLOW (node))
723 fprintf (file, " overflow");
725 fprintf (file, " ");
726 print_dec (node, file, TYPE_SIGN (TREE_TYPE (node)));
727 break;
729 case REAL_CST:
731 REAL_VALUE_TYPE d;
733 if (TREE_OVERFLOW (node))
734 fprintf (file, " overflow");
736 d = TREE_REAL_CST (node);
737 if (REAL_VALUE_ISINF (d))
738 fprintf (file, REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
739 else if (REAL_VALUE_ISNAN (d))
740 fprintf (file, " Nan");
741 else
743 char string[64];
744 real_to_decimal (string, &d, sizeof (string), 0, 1);
745 fprintf (file, " %s", string);
748 break;
750 case FIXED_CST:
752 FIXED_VALUE_TYPE f;
753 char string[64];
755 if (TREE_OVERFLOW (node))
756 fprintf (file, " overflow");
758 f = TREE_FIXED_CST (node);
759 fixed_to_decimal (string, &f, sizeof (string));
760 fprintf (file, " %s", string);
762 break;
764 case VECTOR_CST:
766 char buf[10];
767 unsigned i;
769 for (i = 0; i < VECTOR_CST_NELTS (node); ++i)
771 sprintf (buf, "elt%u: ", i);
772 print_node (file, buf, VECTOR_CST_ELT (node, i), indent + 4);
775 break;
777 case COMPLEX_CST:
778 print_node (file, "real", TREE_REALPART (node), indent + 4);
779 print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
780 break;
782 case STRING_CST:
784 const char *p = TREE_STRING_POINTER (node);
785 int i = TREE_STRING_LENGTH (node);
786 fputs (" \"", file);
787 while (--i >= 0)
789 char ch = *p++;
790 if (ch >= ' ' && ch < 127)
791 putc (ch, file);
792 else
793 fprintf (file, "\\%03o", ch & 0xFF);
795 fputc ('\"', file);
797 break;
799 case IDENTIFIER_NODE:
800 lang_hooks.print_identifier (file, node, indent);
801 break;
803 case TREE_LIST:
804 print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
805 print_node (file, "value", TREE_VALUE (node), indent + 4);
806 print_node (file, "chain", TREE_CHAIN (node), indent + 4);
807 break;
809 case TREE_VEC:
810 len = TREE_VEC_LENGTH (node);
811 fprintf (file, " length %d", len);
812 for (i = 0; i < len; i++)
813 if (TREE_VEC_ELT (node, i))
815 char temp[10];
816 sprintf (temp, "elt %d", i);
817 print_node (file, temp, TREE_VEC_ELT (node, i), indent + 4);
819 break;
821 case CONSTRUCTOR:
823 unsigned HOST_WIDE_INT cnt;
824 tree index, value;
825 len = vec_safe_length (CONSTRUCTOR_ELTS (node));
826 fprintf (file, " lngt %d", len);
827 FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (node),
828 cnt, index, value)
830 print_node (file, "idx", index, indent + 4);
831 print_node (file, "val", value, indent + 4);
834 break;
836 case STATEMENT_LIST:
837 dump_addr (file, " head ", node->stmt_list.head);
838 dump_addr (file, " tail ", node->stmt_list.tail);
839 fprintf (file, " stmts");
841 tree_stmt_iterator i;
842 for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
844 /* Not printing the addresses of the (not-a-tree)
845 'struct tree_stmt_list_node's. */
846 dump_addr (file, " ", tsi_stmt (i));
848 fprintf (file, "\n");
849 for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
851 /* Not printing the addresses of the (not-a-tree)
852 'struct tree_stmt_list_node's. */
853 print_node (file, "stmt", tsi_stmt (i), indent + 4);
856 break;
858 case BLOCK:
859 print_node (file, "vars", BLOCK_VARS (node), indent + 4);
860 print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node),
861 indent + 4);
862 print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
863 print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
864 print_node (file, "abstract_origin",
865 BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
866 break;
868 case SSA_NAME:
869 print_node_brief (file, "var", SSA_NAME_VAR (node), indent + 4);
870 fprintf (file, "def_stmt ");
871 print_gimple_stmt (file, SSA_NAME_DEF_STMT (node), indent + 4, 0);
873 indent_to (file, indent + 4);
874 fprintf (file, "version %u", SSA_NAME_VERSION (node));
875 if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node))
876 fprintf (file, " in-abnormal-phi");
877 if (SSA_NAME_IN_FREE_LIST (node))
878 fprintf (file, " in-free-list");
880 if (SSA_NAME_PTR_INFO (node))
882 indent_to (file, indent + 3);
883 if (SSA_NAME_PTR_INFO (node))
884 dump_addr (file, " ptr-info ", SSA_NAME_PTR_INFO (node));
886 break;
888 case OMP_CLAUSE:
890 int i;
891 fprintf (file, " %s",
892 omp_clause_code_name[OMP_CLAUSE_CODE (node)]);
893 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (node)]; i++)
895 indent_to (file, indent + 4);
896 fprintf (file, "op %d:", i);
897 print_node_brief (file, "", OMP_CLAUSE_OPERAND (node, i), 0);
900 break;
902 case OPTIMIZATION_NODE:
903 cl_optimization_print (file, indent + 4, TREE_OPTIMIZATION (node));
904 break;
906 case TARGET_OPTION_NODE:
907 cl_target_option_print (file, indent + 4, TREE_TARGET_OPTION (node));
908 break;
909 case IMPORTED_DECL:
910 fprintf (file, " imported declaration");
911 print_node_brief (file, "associated declaration",
912 IMPORTED_DECL_ASSOCIATED_DECL (node),
913 indent + 4);
914 break;
916 case TREE_BINFO:
917 fprintf (file, " bases %d",
918 vec_safe_length (BINFO_BASE_BINFOS (node)));
919 print_node_brief (file, "offset", BINFO_OFFSET (node), indent + 4);
920 print_node_brief (file, "virtuals", BINFO_VIRTUALS (node),
921 indent + 4);
922 print_node_brief (file, "inheritance chain",
923 BINFO_INHERITANCE_CHAIN (node),
924 indent + 4);
925 break;
927 default:
928 if (EXCEPTIONAL_CLASS_P (node))
929 lang_hooks.print_xnode (file, node, indent);
930 break;
933 break;
936 if (EXPR_HAS_LOCATION (node))
938 expanded_location xloc = expand_location (EXPR_LOCATION (node));
939 indent_to (file, indent+4);
940 fprintf (file, "%s:%d:%d", xloc.file, xloc.line, xloc.column);
942 /* Print the range, if any */
943 source_range r = EXPR_LOCATION_RANGE (node);
944 if (r.m_start)
946 xloc = expand_location (r.m_start);
947 fprintf (file, " start: %s:%d:%d", xloc.file, xloc.line, xloc.column);
949 else
951 fprintf (file, " start: unknown");
953 if (r.m_finish)
955 xloc = expand_location (r.m_finish);
956 fprintf (file, " finish: %s:%d:%d", xloc.file, xloc.line, xloc.column);
958 else
960 fprintf (file, " finish: unknown");
964 fprintf (file, ">");
968 /* Print the node NODE on standard error, for debugging.
969 Most nodes referred to by this one are printed recursively
970 down to a depth of six. */
972 DEBUG_FUNCTION void
973 debug_tree (tree node)
975 table = XCNEWVEC (struct bucket *, HASH_SIZE);
976 print_node (stderr, "", node, 0);
977 free (table);
978 table = 0;
979 putc ('\n', stderr);
982 DEBUG_FUNCTION void
983 debug_raw (const tree_node &ref)
985 debug_tree (const_cast <tree> (&ref));
988 DEBUG_FUNCTION void
989 debug_raw (const tree_node *ptr)
991 if (ptr)
992 debug_raw (*ptr);
993 else
994 fprintf (stderr, "<nil>\n");
997 static void
998 dump_tree_via_hooks (const tree_node *ptr, int options)
1000 if (DECL_P (ptr))
1001 lang_hooks.print_decl (stderr, const_cast <tree_node*> (ptr), 0);
1002 else if (TYPE_P (ptr))
1003 lang_hooks.print_type (stderr, const_cast <tree_node*> (ptr), 0);
1004 else if (TREE_CODE (ptr) == IDENTIFIER_NODE)
1005 lang_hooks.print_identifier (stderr, const_cast <tree_node*> (ptr), 0);
1006 else
1007 print_generic_expr (stderr, const_cast <tree_node*> (ptr), options);
1008 fprintf (stderr, "\n");
1011 DEBUG_FUNCTION void
1012 debug (const tree_node &ref)
1014 dump_tree_via_hooks (&ref, 0);
1017 DEBUG_FUNCTION void
1018 debug (const tree_node *ptr)
1020 if (ptr)
1021 debug (*ptr);
1022 else
1023 fprintf (stderr, "<nil>\n");
1026 DEBUG_FUNCTION void
1027 debug_verbose (const tree_node &ref)
1029 dump_tree_via_hooks (&ref, TDF_VERBOSE);
1032 DEBUG_FUNCTION void
1033 debug_verbose (const tree_node *ptr)
1035 if (ptr)
1036 debug_verbose (*ptr);
1037 else
1038 fprintf (stderr, "<nil>\n");
1041 DEBUG_FUNCTION void
1042 debug_head (const tree_node &ref)
1044 debug (ref);
1047 DEBUG_FUNCTION void
1048 debug_head (const tree_node *ptr)
1050 if (ptr)
1051 debug_head (*ptr);
1052 else
1053 fprintf (stderr, "<nil>\n");
1056 DEBUG_FUNCTION void
1057 debug_body (const tree_node &ref)
1059 if (TREE_CODE (&ref) == FUNCTION_DECL)
1060 dump_function_to_file (const_cast <tree_node*> (&ref), stderr, 0);
1061 else
1062 debug (ref);
1065 DEBUG_FUNCTION void
1066 debug_body (const tree_node *ptr)
1068 if (ptr)
1069 debug_body (*ptr);
1070 else
1071 fprintf (stderr, "<nil>\n");
1074 /* Print the vector of trees VEC on standard error, for debugging.
1075 Most nodes referred to by this one are printed recursively
1076 down to a depth of six. */
1078 DEBUG_FUNCTION void
1079 debug_raw (vec<tree, va_gc> &ref)
1081 tree elt;
1082 unsigned ix;
1084 /* Print the slot this node is in, and its code, and address. */
1085 fprintf (stderr, "<VEC");
1086 dump_addr (stderr, " ", ref.address ());
1088 FOR_EACH_VEC_ELT (ref, ix, elt)
1090 fprintf (stderr, "elt %d ", ix);
1091 debug_raw (elt);
1095 DEBUG_FUNCTION void
1096 debug (vec<tree, va_gc> &ref)
1098 tree elt;
1099 unsigned ix;
1101 /* Print the slot this node is in, and its code, and address. */
1102 fprintf (stderr, "<VEC");
1103 dump_addr (stderr, " ", ref.address ());
1105 FOR_EACH_VEC_ELT (ref, ix, elt)
1107 fprintf (stderr, "elt %d ", ix);
1108 debug (elt);
1112 DEBUG_FUNCTION void
1113 debug (vec<tree, va_gc> *ptr)
1115 if (ptr)
1116 debug (*ptr);
1117 else
1118 fprintf (stderr, "<nil>\n");
1121 DEBUG_FUNCTION void
1122 debug_raw (vec<tree, va_gc> *ptr)
1124 if (ptr)
1125 debug_raw (*ptr);
1126 else
1127 fprintf (stderr, "<nil>\n");
1130 DEBUG_FUNCTION void
1131 debug_vec_tree (vec<tree, va_gc> *vec)
1133 debug_raw (vec);