print-tree.c revision 259694
1/* Prints out tree in human readable form - GCC
2   Copyright (C) 1990, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3   2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 2, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to the Free
19Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
2002110-1301, USA.  */
21
22
23#include "config.h"
24#include "system.h"
25#include "coretypes.h"
26#include "tm.h"
27#include "tree.h"
28#include "real.h"
29#include "ggc.h"
30#include "langhooks.h"
31#include "tree-iterator.h"
32
33/* Define the hash table of nodes already seen.
34   Such nodes are not repeated; brief cross-references are used.  */
35
36#define HASH_SIZE 37
37
38struct bucket
39{
40  tree node;
41  struct bucket *next;
42};
43
44static struct bucket **table;
45
46/* Print the node NODE on standard error, for debugging.
47   Most nodes referred to by this one are printed recursively
48   down to a depth of six.  */
49
50void
51debug_tree (tree node)
52{
53  table = XCNEWVEC (struct bucket *, HASH_SIZE);
54  print_node (stderr, "", node, 0);
55  free (table);
56  table = 0;
57  putc ('\n', stderr);
58}
59
60/* Print PREFIX and ADDR to FILE.  */
61void
62dump_addr (FILE *file, const char *prefix, void *addr)
63{
64  if (flag_dump_noaddr || flag_dump_unnumbered)
65    fprintf (file, "%s#", prefix);
66  else
67    fprintf (file, "%s%p", prefix, addr);
68}
69
70/* Print a node in brief fashion, with just the code, address and name.  */
71
72void
73print_node_brief (FILE *file, const char *prefix, tree node, int indent)
74{
75  enum tree_code_class class;
76
77  if (node == 0)
78    return;
79
80  class = TREE_CODE_CLASS (TREE_CODE (node));
81
82  /* Always print the slot this node is in, and its code, address and
83     name if any.  */
84  if (indent > 0)
85    fprintf (file, " ");
86  fprintf (file, "%s <%s", prefix, tree_code_name[(int) TREE_CODE (node)]);
87  dump_addr (file, " ", node);
88
89  if (class == tcc_declaration)
90    {
91      if (DECL_NAME (node))
92	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
93      else if (TREE_CODE (node) == LABEL_DECL
94	       && LABEL_DECL_UID (node) != -1)
95	fprintf (file, " L." HOST_WIDE_INT_PRINT_DEC, LABEL_DECL_UID (node));
96      else
97	fprintf (file, " %c.%u", TREE_CODE (node) == CONST_DECL ? 'C' : 'D',
98		 DECL_UID (node));
99    }
100  else if (class == tcc_type)
101    {
102      if (TYPE_NAME (node))
103	{
104	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
105	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
106	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
107		   && DECL_NAME (TYPE_NAME (node)))
108	    fprintf (file, " %s",
109		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
110	}
111    }
112  if (TREE_CODE (node) == IDENTIFIER_NODE)
113    fprintf (file, " %s", IDENTIFIER_POINTER (node));
114
115  /* We might as well always print the value of an integer or real.  */
116  if (TREE_CODE (node) == INTEGER_CST)
117    {
118      if (TREE_CONSTANT_OVERFLOW (node))
119	fprintf (file, " overflow");
120
121      fprintf (file, " ");
122      if (TREE_INT_CST_HIGH (node) == 0)
123	fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED, TREE_INT_CST_LOW (node));
124      else if (TREE_INT_CST_HIGH (node) == -1
125	       && TREE_INT_CST_LOW (node) != 0)
126	fprintf (file, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
127		 -TREE_INT_CST_LOW (node));
128      else
129	fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
130		 TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
131    }
132  if (TREE_CODE (node) == REAL_CST)
133    {
134      REAL_VALUE_TYPE d;
135
136      if (TREE_OVERFLOW (node))
137	fprintf (file, " overflow");
138
139      d = TREE_REAL_CST (node);
140      if (REAL_VALUE_ISINF (d))
141	fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
142      else if (REAL_VALUE_ISNAN (d))
143	fprintf (file, " Nan");
144      else
145	{
146	  char string[60];
147	  real_to_decimal (string, &d, sizeof (string), 0, 1);
148	  fprintf (file, " %s", string);
149	}
150    }
151
152  fprintf (file, ">");
153}
154
155void
156indent_to (FILE *file, int column)
157{
158  int i;
159
160  /* Since this is the long way, indent to desired column.  */
161  if (column > 0)
162    fprintf (file, "\n");
163  for (i = 0; i < column; i++)
164    fprintf (file, " ");
165}
166
167/* Print the node NODE in full on file FILE, preceded by PREFIX,
168   starting in column INDENT.  */
169
170void
171print_node (FILE *file, const char *prefix, tree node, int indent)
172{
173  int hash;
174  struct bucket *b;
175  enum machine_mode mode;
176  enum tree_code_class class;
177  int len;
178  int i;
179  expanded_location xloc;
180  enum tree_code code;
181
182  if (node == 0)
183    return;
184
185  code = TREE_CODE (node);
186  class = TREE_CODE_CLASS (code);
187
188  /* Don't get too deep in nesting.  If the user wants to see deeper,
189     it is easy to use the address of a lowest-level node
190     as an argument in another call to debug_tree.  */
191
192  if (indent > 24)
193    {
194      print_node_brief (file, prefix, node, indent);
195      return;
196    }
197
198  if (indent > 8 && (class == tcc_type || class == tcc_declaration))
199    {
200      print_node_brief (file, prefix, node, indent);
201      return;
202    }
203
204  /* It is unsafe to look at any other fields of an ERROR_MARK node.  */
205  if (TREE_CODE (node) == ERROR_MARK)
206    {
207      print_node_brief (file, prefix, node, indent);
208      return;
209    }
210
211  hash = ((unsigned long) node) % HASH_SIZE;
212
213  /* If node is in the table, just mention its address.  */
214  for (b = table[hash]; b; b = b->next)
215    if (b->node == node)
216      {
217	print_node_brief (file, prefix, node, indent);
218	return;
219      }
220
221  /* Add this node to the table.  */
222  b = XNEW (struct bucket);
223  b->node = node;
224  b->next = table[hash];
225  table[hash] = b;
226
227  /* Indent to the specified column, since this is the long form.  */
228  indent_to (file, indent);
229
230  /* Print the slot this node is in, and its code, and address.  */
231  fprintf (file, "%s <%s", prefix, tree_code_name[(int) TREE_CODE (node)]);
232  dump_addr (file, " ", node);
233
234  /* Print the name, if any.  */
235  if (class == tcc_declaration)
236    {
237      if (DECL_NAME (node))
238	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
239      else if (TREE_CODE (node) == LABEL_DECL
240	       && LABEL_DECL_UID (node) != -1)
241	fprintf (file, " L." HOST_WIDE_INT_PRINT_DEC, LABEL_DECL_UID (node));
242      else
243	fprintf (file, " %c.%u", TREE_CODE (node) == CONST_DECL ? 'C' : 'D',
244		 DECL_UID (node));
245    }
246  else if (class == tcc_type)
247    {
248      if (TYPE_NAME (node))
249	{
250	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
251	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
252	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
253		   && DECL_NAME (TYPE_NAME (node)))
254	    fprintf (file, " %s",
255		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
256	}
257    }
258  if (TREE_CODE (node) == IDENTIFIER_NODE)
259    fprintf (file, " %s", IDENTIFIER_POINTER (node));
260
261  if (TREE_CODE (node) == INTEGER_CST)
262    {
263      if (indent <= 4)
264	print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
265    }
266  else
267    {
268      print_node (file, "type", TREE_TYPE (node), indent + 4);
269      if (TREE_TYPE (node))
270	indent_to (file, indent + 3);
271    }
272
273  if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
274    fputs (" side-effects", file);
275
276  if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
277    fputs (" readonly", file);
278  if (!TYPE_P (node) && TREE_CONSTANT (node))
279    fputs (" constant", file);
280  else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
281    fputs (" sizes-gimplified", file);
282
283  if (TREE_INVARIANT (node))
284    fputs (" invariant", file);
285  if (TREE_ADDRESSABLE (node))
286    fputs (" addressable", file);
287  if (TREE_THIS_VOLATILE (node))
288    fputs (" volatile", file);
289  if (TREE_ASM_WRITTEN (node))
290    fputs (" asm_written", file);
291  if (TREE_USED (node))
292    fputs (" used", file);
293  if (TREE_NOTHROW (node))
294    fputs (TYPE_P (node) ? " align-ok" : " nothrow", file);
295  if (TREE_PUBLIC (node))
296    fputs (" public", file);
297  if (TREE_PRIVATE (node))
298    fputs (" private", file);
299  if (TREE_PROTECTED (node))
300    fputs (" protected", file);
301  if (TREE_STATIC (node))
302    fputs (" static", file);
303  if (TREE_DEPRECATED (node))
304    fputs (" deprecated", file);
305  if (TREE_VISITED (node))
306    fputs (" visited", file);
307  if (TREE_LANG_FLAG_0 (node))
308    fputs (" tree_0", file);
309  if (TREE_LANG_FLAG_1 (node))
310    fputs (" tree_1", file);
311  if (TREE_LANG_FLAG_2 (node))
312    fputs (" tree_2", file);
313  if (TREE_LANG_FLAG_3 (node))
314    fputs (" tree_3", file);
315  if (TREE_LANG_FLAG_4 (node))
316    fputs (" tree_4", file);
317  if (TREE_LANG_FLAG_5 (node))
318    fputs (" tree_5", file);
319  if (TREE_LANG_FLAG_6 (node))
320    fputs (" tree_6", file);
321
322  /* DECL_ nodes have additional attributes.  */
323
324  switch (TREE_CODE_CLASS (TREE_CODE (node)))
325    {
326    case tcc_declaration:
327      if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
328	{
329	  if (DECL_UNSIGNED (node))
330	    fputs (" unsigned", file);
331	  if (DECL_IGNORED_P (node))
332	    fputs (" ignored", file);
333	  if (DECL_ABSTRACT (node))
334	    fputs (" abstract", file);
335	  if (DECL_EXTERNAL (node))
336	    fputs (" external", file);
337	  if (DECL_NONLOCAL (node))
338	    fputs (" nonlocal", file);
339	}
340      if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
341	{
342	  if (DECL_WEAK (node))
343	    fputs (" weak", file);
344	  if (DECL_IN_SYSTEM_HEADER (node))
345	    fputs (" in_system_header", file);
346	}
347      if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
348	  && TREE_CODE (node) != LABEL_DECL
349	  && TREE_CODE (node) != FUNCTION_DECL
350	  && DECL_REGISTER (node))
351	fputs (" regdecl", file);
352
353      if (TREE_CODE (node) == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
354	fputs (" suppress-debug", file);
355
356      if (TREE_CODE (node) == FUNCTION_DECL && DECL_INLINE (node))
357	fputs (DECL_DECLARED_INLINE_P (node) ? " inline" : " autoinline", file);
358      if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN (node))
359	fputs (" built-in", file);
360      if (TREE_CODE (node) == FUNCTION_DECL && DECL_NO_STATIC_CHAIN (node))
361	fputs (" no-static-chain", file);
362
363      if (TREE_CODE (node) == FIELD_DECL && DECL_PACKED (node))
364	fputs (" packed", file);
365      if (TREE_CODE (node) == FIELD_DECL && DECL_BIT_FIELD (node))
366	fputs (" bit-field", file);
367      if (TREE_CODE (node) == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
368	fputs (" nonaddressable", file);
369
370      if (TREE_CODE (node) == LABEL_DECL && DECL_ERROR_ISSUED (node))
371	fputs (" error-issued", file);
372
373      if (TREE_CODE (node) == VAR_DECL && DECL_IN_TEXT_SECTION (node))
374	fputs (" in-text-section", file);
375      if (TREE_CODE (node) == VAR_DECL && DECL_COMMON (node))
376	fputs (" common", file);
377      if (TREE_CODE (node) == VAR_DECL && DECL_THREAD_LOCAL_P (node))
378	{
379	  enum tls_model kind = DECL_TLS_MODEL (node);
380	  switch (kind)
381	    {
382	      case TLS_MODEL_GLOBAL_DYNAMIC:
383		fputs (" tls-global-dynamic", file);
384		break;
385	      case TLS_MODEL_LOCAL_DYNAMIC:
386		fputs (" tls-local-dynamic", file);
387		break;
388	      case TLS_MODEL_INITIAL_EXEC:
389		fputs (" tls-initial-exec", file);
390		break;
391	      case TLS_MODEL_LOCAL_EXEC:
392		fputs (" tls-local-exec", file);
393		break;
394	      default:
395		gcc_unreachable ();
396	    }
397	}
398
399      if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
400	{
401	  if (DECL_VIRTUAL_P (node))
402	    fputs (" virtual", file);
403	  if (DECL_PRESERVE_P (node))
404	    fputs (" preserve", file);
405	  if (DECL_LANG_FLAG_0 (node))
406	    fputs (" decl_0", file);
407	  if (DECL_LANG_FLAG_1 (node))
408	    fputs (" decl_1", file);
409	  if (DECL_LANG_FLAG_2 (node))
410	    fputs (" decl_2", file);
411	  if (DECL_LANG_FLAG_3 (node))
412	    fputs (" decl_3", file);
413	  if (DECL_LANG_FLAG_4 (node))
414	    fputs (" decl_4", file);
415	  if (DECL_LANG_FLAG_5 (node))
416	    fputs (" decl_5", file);
417	  if (DECL_LANG_FLAG_6 (node))
418	    fputs (" decl_6", file);
419	  if (DECL_LANG_FLAG_7 (node))
420	    fputs (" decl_7", file);
421
422	  mode = DECL_MODE (node);
423	  fprintf (file, " %s", GET_MODE_NAME (mode));
424	}
425
426      if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)  && DECL_DEFER_OUTPUT (node))
427	fputs (" defer-output", file);
428
429
430      xloc = expand_location (DECL_SOURCE_LOCATION (node));
431      fprintf (file, " file %s line %d", xloc.file, xloc.line);
432
433      if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
434	{
435	  print_node (file, "size", DECL_SIZE (node), indent + 4);
436	  print_node (file, "unit size", DECL_SIZE_UNIT (node), indent + 4);
437
438	  if (TREE_CODE (node) != FUNCTION_DECL
439	      || DECL_INLINE (node) || DECL_BUILT_IN (node))
440	    indent_to (file, indent + 3);
441
442	  if (DECL_USER_ALIGN (node))
443	    fprintf (file, " user");
444
445	  fprintf (file, " align %d", DECL_ALIGN (node));
446	  if (TREE_CODE (node) == FIELD_DECL)
447	    fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
448		     DECL_OFFSET_ALIGN (node));
449
450	  if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN (node))
451	    {
452	      if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
453		fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
454	      else
455		fprintf (file, " built-in %s:%s",
456			 built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
457			 built_in_names[(int) DECL_FUNCTION_CODE (node)]);
458	    }
459
460	  if (DECL_POINTER_ALIAS_SET_KNOWN_P (node))
461	    fprintf (file, " alias set " HOST_WIDE_INT_PRINT_DEC,
462		     DECL_POINTER_ALIAS_SET (node));
463	}
464      if (TREE_CODE (node) == FIELD_DECL)
465	{
466	  print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
467	  print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
468		      indent + 4);
469	  if (DECL_BIT_FIELD_TYPE (node))
470	    print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
471			indent + 4);
472	}
473
474      print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
475
476      if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
477	{
478	  print_node_brief (file, "attributes",
479			    DECL_ATTRIBUTES (node), indent + 4);
480	  print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);
481	}
482      if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
483	{
484	  print_node_brief (file, "abstract_origin",
485			    DECL_ABSTRACT_ORIGIN (node), indent + 4);
486	}
487      if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
488	{
489	  print_node (file, "arguments", DECL_ARGUMENT_FLD (node), indent + 4);
490	  print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
491	}
492
493      lang_hooks.print_decl (file, node, indent);
494
495      if (DECL_RTL_SET_P (node))
496	{
497	  indent_to (file, indent + 4);
498	  print_rtl (file, DECL_RTL (node));
499	}
500
501      if (TREE_CODE (node) == PARM_DECL)
502	{
503	  print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
504
505	  if (DECL_INCOMING_RTL (node) != 0)
506	    {
507	      indent_to (file, indent + 4);
508	      fprintf (file, "incoming-rtl ");
509	      print_rtl (file, DECL_INCOMING_RTL (node));
510	    }
511	}
512      else if (TREE_CODE (node) == FUNCTION_DECL
513	       && DECL_STRUCT_FUNCTION (node) != 0)
514	{
515	  indent_to (file, indent + 4);
516	  dump_addr (file, "saved-insns ", DECL_STRUCT_FUNCTION (node));
517	}
518
519      if ((TREE_CODE (node) == VAR_DECL || TREE_CODE (node) == PARM_DECL)
520	  && DECL_HAS_VALUE_EXPR_P (node))
521	print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
522
523      if (TREE_CODE (node) == STRUCT_FIELD_TAG)
524	{
525	  fprintf (file, " sft size " HOST_WIDE_INT_PRINT_DEC,
526		   SFT_SIZE (node));
527	  fprintf (file, " sft offset " HOST_WIDE_INT_PRINT_DEC,
528		   SFT_OFFSET (node));
529	  print_node_brief (file, "parent var", SFT_PARENT_VAR (node),
530			    indent + 4);
531	}
532      /* Print the decl chain only if decl is at second level.  */
533      if (indent == 4)
534	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
535      else
536	print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
537      break;
538
539    case tcc_type:
540      if (TYPE_UNSIGNED (node))
541	fputs (" unsigned", file);
542
543      /* The no-force-blk flag is used for different things in
544	 different types.  */
545      if ((TREE_CODE (node) == RECORD_TYPE
546	   || TREE_CODE (node) == UNION_TYPE
547	   || TREE_CODE (node) == QUAL_UNION_TYPE)
548	  && TYPE_NO_FORCE_BLK (node))
549	fputs (" no-force-blk", file);
550      else if (TREE_CODE (node) == INTEGER_TYPE
551	       && TYPE_IS_SIZETYPE (node))
552	fputs (" sizetype", file);
553      else if (TREE_CODE (node) == FUNCTION_TYPE
554	       && TYPE_RETURNS_STACK_DEPRESSED (node))
555	fputs (" returns-stack-depressed", file);
556
557      if (TYPE_STRING_FLAG (node))
558	fputs (" string-flag", file);
559      if (TYPE_NEEDS_CONSTRUCTING (node))
560	fputs (" needs-constructing", file);
561
562      /* The transparent-union flag is used for different things in
563	 different nodes.  */
564      if (TREE_CODE (node) == UNION_TYPE && TYPE_TRANSPARENT_UNION (node))
565	fputs (" transparent-union", file);
566      else if (TREE_CODE (node) == ARRAY_TYPE
567	       && TYPE_NONALIASED_COMPONENT (node))
568	fputs (" nonaliased-component", file);
569
570      if (TYPE_PACKED (node))
571	fputs (" packed", file);
572
573      if (TYPE_RESTRICT (node))
574	fputs (" restrict", file);
575
576      if (TYPE_LANG_FLAG_0 (node))
577	fputs (" type_0", file);
578      if (TYPE_LANG_FLAG_1 (node))
579	fputs (" type_1", file);
580      if (TYPE_LANG_FLAG_2 (node))
581	fputs (" type_2", file);
582      if (TYPE_LANG_FLAG_3 (node))
583	fputs (" type_3", file);
584      if (TYPE_LANG_FLAG_4 (node))
585	fputs (" type_4", file);
586      if (TYPE_LANG_FLAG_5 (node))
587	fputs (" type_5", file);
588      if (TYPE_LANG_FLAG_6 (node))
589	fputs (" type_6", file);
590
591      mode = TYPE_MODE (node);
592      fprintf (file, " %s", GET_MODE_NAME (mode));
593
594      print_node (file, "size", TYPE_SIZE (node), indent + 4);
595      print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
596      indent_to (file, indent + 3);
597
598      if (TYPE_USER_ALIGN (node))
599	fprintf (file, " user");
600
601      fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
602	       TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
603	       TYPE_ALIAS_SET (node));
604
605      print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
606
607      if (INTEGRAL_TYPE_P (node) || TREE_CODE (node) == REAL_TYPE)
608	{
609	  fprintf (file, " precision %d", TYPE_PRECISION (node));
610	  print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
611	  print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
612	}
613
614      if (TREE_CODE (node) == ENUMERAL_TYPE)
615	print_node (file, "values", TYPE_VALUES (node), indent + 4);
616      else if (TREE_CODE (node) == ARRAY_TYPE)
617	print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
618      else if (TREE_CODE (node) == VECTOR_TYPE)
619	fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
620      else if (TREE_CODE (node) == RECORD_TYPE
621	       || TREE_CODE (node) == UNION_TYPE
622	       || TREE_CODE (node) == QUAL_UNION_TYPE)
623	print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
624      else if (TREE_CODE (node) == FUNCTION_TYPE
625	       || TREE_CODE (node) == METHOD_TYPE)
626	{
627	  if (TYPE_METHOD_BASETYPE (node))
628	    print_node_brief (file, "method basetype",
629			      TYPE_METHOD_BASETYPE (node), indent + 4);
630	  print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
631	}
632      else if (TREE_CODE (node) == OFFSET_TYPE)
633	print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
634			  indent + 4);
635
636      if (TYPE_CONTEXT (node))
637	print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
638
639      lang_hooks.print_type (file, node, indent);
640
641      if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
642	indent_to (file, indent + 3);
643
644      print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
645			indent + 4);
646      print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
647			indent + 4);
648      print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
649      break;
650
651    case tcc_expression:
652    case tcc_comparison:
653    case tcc_unary:
654    case tcc_binary:
655    case tcc_reference:
656    case tcc_statement:
657      if (TREE_CODE (node) == BIT_FIELD_REF && BIT_FIELD_REF_UNSIGNED (node))
658	fputs (" unsigned", file);
659      if (TREE_CODE (node) == BIND_EXPR)
660	{
661	  print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
662	  print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
663	  print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
664	  break;
665	}
666
667      len = TREE_CODE_LENGTH (TREE_CODE (node));
668
669      for (i = 0; i < len; i++)
670	{
671	  char temp[10];
672
673	  sprintf (temp, "arg %d", i);
674	  print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
675	}
676
677      print_node (file, "chain", TREE_CHAIN (node), indent + 4);
678      break;
679
680    case tcc_constant:
681    case tcc_exceptional:
682      switch (TREE_CODE (node))
683	{
684	case INTEGER_CST:
685	  if (TREE_CONSTANT_OVERFLOW (node))
686	    fprintf (file, " overflow");
687
688	  fprintf (file, " ");
689	  if (TREE_INT_CST_HIGH (node) == 0)
690	    fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
691		     TREE_INT_CST_LOW (node));
692	  else if (TREE_INT_CST_HIGH (node) == -1
693		   && TREE_INT_CST_LOW (node) != 0)
694	    fprintf (file, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
695		     -TREE_INT_CST_LOW (node));
696	  else
697	    fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
698		     TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
699	  break;
700
701	case REAL_CST:
702	  {
703	    REAL_VALUE_TYPE d;
704
705	    if (TREE_OVERFLOW (node))
706	      fprintf (file, " overflow");
707
708	    d = TREE_REAL_CST (node);
709	    if (REAL_VALUE_ISINF (d))
710	      fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
711	    else if (REAL_VALUE_ISNAN (d))
712	      fprintf (file, " Nan");
713	    else
714	      {
715		char string[64];
716		real_to_decimal (string, &d, sizeof (string), 0, 1);
717		fprintf (file, " %s", string);
718	      }
719	  }
720	  break;
721
722	case VECTOR_CST:
723	  {
724	    tree vals = TREE_VECTOR_CST_ELTS (node);
725	    char buf[10];
726	    tree link;
727	    int i;
728
729	    i = 0;
730	    for (link = vals; link; link = TREE_CHAIN (link), ++i)
731	      {
732		sprintf (buf, "elt%d: ", i);
733		print_node (file, buf, TREE_VALUE (link), indent + 4);
734	      }
735	  }
736	  break;
737
738	case COMPLEX_CST:
739	  print_node (file, "real", TREE_REALPART (node), indent + 4);
740	  print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
741	  break;
742
743	case STRING_CST:
744	  {
745	    const char *p = TREE_STRING_POINTER (node);
746	    int i = TREE_STRING_LENGTH (node);
747	    fputs (" \"", file);
748	    while (--i >= 0)
749	      {
750		char ch = *p++;
751		if (ch >= ' ' && ch < 127)
752		  putc (ch, file);
753		else
754		  fprintf(file, "\\%03o", ch & 0xFF);
755	      }
756	    fputc ('\"', file);
757	  }
758	  /* Print the chain at second level.  */
759	  if (indent == 4)
760	    print_node (file, "chain", TREE_CHAIN (node), indent + 4);
761	  else
762	    print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
763	  break;
764
765	case IDENTIFIER_NODE:
766	  lang_hooks.print_identifier (file, node, indent);
767	  break;
768
769	case TREE_LIST:
770	  print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
771	  print_node (file, "value", TREE_VALUE (node), indent + 4);
772	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
773	  break;
774
775	case TREE_VEC:
776	  len = TREE_VEC_LENGTH (node);
777	  for (i = 0; i < len; i++)
778	    if (TREE_VEC_ELT (node, i))
779	      {
780		char temp[10];
781		sprintf (temp, "elt %d", i);
782		indent_to (file, indent + 4);
783		print_node_brief (file, temp, TREE_VEC_ELT (node, i), 0);
784	      }
785	  break;
786
787    	case STATEMENT_LIST:
788	  dump_addr (file, " head ", node->stmt_list.head);
789	  dump_addr (file, " tail ", node->stmt_list.tail);
790	  fprintf (file, " stmts");
791	  {
792	    tree_stmt_iterator i;
793	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
794	      {
795		/* Not printing the addresses of the (not-a-tree)
796		   'struct tree_stmt_list_node's.  */
797		dump_addr (file, " ", tsi_stmt (i));
798	      }
799	    fprintf (file, "\n");
800	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
801	      {
802		/* Not printing the addresses of the (not-a-tree)
803		   'struct tree_stmt_list_node's.  */
804		print_node (file, "stmt", tsi_stmt (i), indent + 4);
805	      }
806	  }
807	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
808	  break;
809
810	case BLOCK:
811	  print_node (file, "vars", BLOCK_VARS (node), indent + 4);
812	  print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node),
813		      indent + 4);
814	  print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
815	  print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
816	  print_node (file, "abstract_origin",
817		      BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
818	  break;
819
820	case SSA_NAME:
821	  print_node_brief (file, "var", SSA_NAME_VAR (node), indent + 4);
822	  print_node_brief (file, "def_stmt",
823			    SSA_NAME_DEF_STMT (node), indent + 4);
824
825	  indent_to (file, indent + 4);
826	  fprintf (file, "version %u", SSA_NAME_VERSION (node));
827	  if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node))
828	    fprintf (file, " in-abnormal-phi");
829	  if (SSA_NAME_IN_FREE_LIST (node))
830	    fprintf (file, " in-free-list");
831
832	  if (SSA_NAME_PTR_INFO (node)
833	      || SSA_NAME_VALUE (node))
834	    {
835	      indent_to (file, indent + 3);
836	      if (SSA_NAME_PTR_INFO (node))
837		dump_addr (file, " ptr-info ", SSA_NAME_PTR_INFO (node));
838	      if (SSA_NAME_VALUE (node))
839		dump_addr (file, " value ", SSA_NAME_VALUE (node));
840	    }
841	  break;
842
843	case OMP_CLAUSE:
844	    {
845	      int i;
846	      fprintf (file, " %s",
847		       omp_clause_code_name[OMP_CLAUSE_CODE (node)]);
848	      for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (node)]; i++)
849		{
850		  indent_to (file, indent + 4);
851		  fprintf (file, "op %d:", i);
852		  print_node_brief (file, "", OMP_CLAUSE_OPERAND (node, i), 0);
853		}
854	    }
855	  break;
856
857	default:
858	  if (EXCEPTIONAL_CLASS_P (node))
859	    lang_hooks.print_xnode (file, node, indent);
860	  break;
861	}
862
863      break;
864    }
865
866  if (EXPR_HAS_LOCATION (node))
867    {
868      expanded_location xloc = expand_location (EXPR_LOCATION (node));
869      indent_to (file, indent+4);
870      fprintf (file, "%s:%d", xloc.file, xloc.line);
871    }
872
873  fprintf (file, ">");
874}
875