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 (TREE_CODE (node) != FUNCTION_DECL)
443	    {
444	      if (DECL_USER_ALIGN (node))
445		fprintf (file, " user");
446
447	      fprintf (file, " align %d", DECL_ALIGN (node));
448	      if (TREE_CODE (node) == FIELD_DECL)
449		fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
450			 DECL_OFFSET_ALIGN (node));
451	    }
452	  else if (DECL_BUILT_IN (node))
453	    {
454	      if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
455		fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
456	      else
457		fprintf (file, " built-in %s:%s",
458			 built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
459			 built_in_names[(int) DECL_FUNCTION_CODE (node)]);
460	    }
461
462	  if (DECL_POINTER_ALIAS_SET_KNOWN_P (node))
463	    fprintf (file, " alias set " HOST_WIDE_INT_PRINT_DEC,
464		     DECL_POINTER_ALIAS_SET (node));
465	}
466      if (TREE_CODE (node) == FIELD_DECL)
467	{
468	  print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
469	  print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
470		      indent + 4);
471	  if (DECL_BIT_FIELD_TYPE (node))
472	    print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
473			indent + 4);
474	}
475
476      print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
477
478      if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
479	{
480	  print_node_brief (file, "attributes",
481			    DECL_ATTRIBUTES (node), indent + 4);
482	  print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);
483	}
484      if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
485	{
486	  print_node_brief (file, "abstract_origin",
487			    DECL_ABSTRACT_ORIGIN (node), indent + 4);
488	}
489      if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
490	{
491	  print_node (file, "arguments", DECL_ARGUMENT_FLD (node), indent + 4);
492	  print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
493	}
494
495      lang_hooks.print_decl (file, node, indent);
496
497      if (DECL_RTL_SET_P (node))
498	{
499	  indent_to (file, indent + 4);
500	  print_rtl (file, DECL_RTL (node));
501	}
502
503      if (TREE_CODE (node) == PARM_DECL)
504	{
505	  print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
506
507	  if (DECL_INCOMING_RTL (node) != 0)
508	    {
509	      indent_to (file, indent + 4);
510	      fprintf (file, "incoming-rtl ");
511	      print_rtl (file, DECL_INCOMING_RTL (node));
512	    }
513	}
514      else if (TREE_CODE (node) == FUNCTION_DECL
515	       && DECL_STRUCT_FUNCTION (node) != 0)
516	{
517	  indent_to (file, indent + 4);
518	  dump_addr (file, "saved-insns ", DECL_STRUCT_FUNCTION (node));
519	}
520
521      if ((TREE_CODE (node) == VAR_DECL || TREE_CODE (node) == PARM_DECL)
522	  && DECL_HAS_VALUE_EXPR_P (node))
523	print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
524
525      if (TREE_CODE (node) == STRUCT_FIELD_TAG)
526	{
527	  fprintf (file, " sft size " HOST_WIDE_INT_PRINT_DEC,
528		   SFT_SIZE (node));
529	  fprintf (file, " sft offset " HOST_WIDE_INT_PRINT_DEC,
530		   SFT_OFFSET (node));
531	  print_node_brief (file, "parent var", SFT_PARENT_VAR (node),
532			    indent + 4);
533	}
534      /* Print the decl chain only if decl is at second level.  */
535      if (indent == 4)
536	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
537      else
538	print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
539      break;
540
541    case tcc_type:
542      if (TYPE_UNSIGNED (node))
543	fputs (" unsigned", file);
544
545      /* The no-force-blk flag is used for different things in
546	 different types.  */
547      if ((TREE_CODE (node) == RECORD_TYPE
548	   || TREE_CODE (node) == UNION_TYPE
549	   || TREE_CODE (node) == QUAL_UNION_TYPE)
550	  && TYPE_NO_FORCE_BLK (node))
551	fputs (" no-force-blk", file);
552      else if (TREE_CODE (node) == INTEGER_TYPE
553	       && TYPE_IS_SIZETYPE (node))
554	fputs (" sizetype", file);
555      else if (TREE_CODE (node) == FUNCTION_TYPE
556	       && TYPE_RETURNS_STACK_DEPRESSED (node))
557	fputs (" returns-stack-depressed", file);
558
559      if (TYPE_STRING_FLAG (node))
560	fputs (" string-flag", file);
561      if (TYPE_NEEDS_CONSTRUCTING (node))
562	fputs (" needs-constructing", file);
563
564      /* The transparent-union flag is used for different things in
565	 different nodes.  */
566      if (TREE_CODE (node) == UNION_TYPE && TYPE_TRANSPARENT_UNION (node))
567	fputs (" transparent-union", file);
568      else if (TREE_CODE (node) == ARRAY_TYPE
569	       && TYPE_NONALIASED_COMPONENT (node))
570	fputs (" nonaliased-component", file);
571
572      if (TYPE_PACKED (node))
573	fputs (" packed", file);
574
575      if (TYPE_RESTRICT (node))
576	fputs (" restrict", file);
577
578      if (TYPE_LANG_FLAG_0 (node))
579	fputs (" type_0", file);
580      if (TYPE_LANG_FLAG_1 (node))
581	fputs (" type_1", file);
582      if (TYPE_LANG_FLAG_2 (node))
583	fputs (" type_2", file);
584      if (TYPE_LANG_FLAG_3 (node))
585	fputs (" type_3", file);
586      if (TYPE_LANG_FLAG_4 (node))
587	fputs (" type_4", file);
588      if (TYPE_LANG_FLAG_5 (node))
589	fputs (" type_5", file);
590      if (TYPE_LANG_FLAG_6 (node))
591	fputs (" type_6", file);
592
593      mode = TYPE_MODE (node);
594      fprintf (file, " %s", GET_MODE_NAME (mode));
595
596      print_node (file, "size", TYPE_SIZE (node), indent + 4);
597      print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
598      indent_to (file, indent + 3);
599
600      if (TYPE_USER_ALIGN (node))
601	fprintf (file, " user");
602
603      fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
604	       TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
605	       TYPE_ALIAS_SET (node));
606
607      print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
608
609      if (INTEGRAL_TYPE_P (node) || TREE_CODE (node) == REAL_TYPE)
610	{
611	  fprintf (file, " precision %d", TYPE_PRECISION (node));
612	  print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
613	  print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
614	}
615
616      if (TREE_CODE (node) == ENUMERAL_TYPE)
617	print_node (file, "values", TYPE_VALUES (node), indent + 4);
618      else if (TREE_CODE (node) == ARRAY_TYPE)
619	print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
620      else if (TREE_CODE (node) == VECTOR_TYPE)
621	fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
622      else if (TREE_CODE (node) == RECORD_TYPE
623	       || TREE_CODE (node) == UNION_TYPE
624	       || TREE_CODE (node) == QUAL_UNION_TYPE)
625	print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
626      else if (TREE_CODE (node) == FUNCTION_TYPE
627	       || TREE_CODE (node) == METHOD_TYPE)
628	{
629	  if (TYPE_METHOD_BASETYPE (node))
630	    print_node_brief (file, "method basetype",
631			      TYPE_METHOD_BASETYPE (node), indent + 4);
632	  print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
633	}
634      else if (TREE_CODE (node) == OFFSET_TYPE)
635	print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
636			  indent + 4);
637
638      if (TYPE_CONTEXT (node))
639	print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
640
641      lang_hooks.print_type (file, node, indent);
642
643      if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
644	indent_to (file, indent + 3);
645
646      print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
647			indent + 4);
648      print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
649			indent + 4);
650      print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
651      break;
652
653    case tcc_expression:
654    case tcc_comparison:
655    case tcc_unary:
656    case tcc_binary:
657    case tcc_reference:
658    case tcc_statement:
659      if (TREE_CODE (node) == BIT_FIELD_REF && BIT_FIELD_REF_UNSIGNED (node))
660	fputs (" unsigned", file);
661      if (TREE_CODE (node) == BIND_EXPR)
662	{
663	  print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
664	  print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
665	  print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
666	  break;
667	}
668
669      len = TREE_CODE_LENGTH (TREE_CODE (node));
670
671      for (i = 0; i < len; i++)
672	{
673	  char temp[10];
674
675	  sprintf (temp, "arg %d", i);
676	  print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
677	}
678
679      print_node (file, "chain", TREE_CHAIN (node), indent + 4);
680      break;
681
682    case tcc_constant:
683    case tcc_exceptional:
684      switch (TREE_CODE (node))
685	{
686	case INTEGER_CST:
687	  if (TREE_CONSTANT_OVERFLOW (node))
688	    fprintf (file, " overflow");
689
690	  fprintf (file, " ");
691	  if (TREE_INT_CST_HIGH (node) == 0)
692	    fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
693		     TREE_INT_CST_LOW (node));
694	  else if (TREE_INT_CST_HIGH (node) == -1
695		   && TREE_INT_CST_LOW (node) != 0)
696	    fprintf (file, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
697		     -TREE_INT_CST_LOW (node));
698	  else
699	    fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
700		     TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
701	  break;
702
703	case REAL_CST:
704	  {
705	    REAL_VALUE_TYPE d;
706
707	    if (TREE_OVERFLOW (node))
708	      fprintf (file, " overflow");
709
710	    d = TREE_REAL_CST (node);
711	    if (REAL_VALUE_ISINF (d))
712	      fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
713	    else if (REAL_VALUE_ISNAN (d))
714	      fprintf (file, " Nan");
715	    else
716	      {
717		char string[64];
718		real_to_decimal (string, &d, sizeof (string), 0, 1);
719		fprintf (file, " %s", string);
720	      }
721	  }
722	  break;
723
724	case VECTOR_CST:
725	  {
726	    tree vals = TREE_VECTOR_CST_ELTS (node);
727	    char buf[10];
728	    tree link;
729	    int i;
730
731	    i = 0;
732	    for (link = vals; link; link = TREE_CHAIN (link), ++i)
733	      {
734		sprintf (buf, "elt%d: ", i);
735		print_node (file, buf, TREE_VALUE (link), indent + 4);
736	      }
737	  }
738	  break;
739
740	case COMPLEX_CST:
741	  print_node (file, "real", TREE_REALPART (node), indent + 4);
742	  print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
743	  break;
744
745	case STRING_CST:
746	  {
747	    const char *p = TREE_STRING_POINTER (node);
748	    int i = TREE_STRING_LENGTH (node);
749	    fputs (" \"", file);
750	    while (--i >= 0)
751	      {
752		char ch = *p++;
753		if (ch >= ' ' && ch < 127)
754		  putc (ch, file);
755		else
756		  fprintf(file, "\\%03o", ch & 0xFF);
757	      }
758	    fputc ('\"', file);
759	  }
760	  /* Print the chain at second level.  */
761	  if (indent == 4)
762	    print_node (file, "chain", TREE_CHAIN (node), indent + 4);
763	  else
764	    print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
765	  break;
766
767	case IDENTIFIER_NODE:
768	  lang_hooks.print_identifier (file, node, indent);
769	  break;
770
771	case TREE_LIST:
772	  print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
773	  print_node (file, "value", TREE_VALUE (node), indent + 4);
774	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
775	  break;
776
777	case TREE_VEC:
778	  len = TREE_VEC_LENGTH (node);
779	  for (i = 0; i < len; i++)
780	    if (TREE_VEC_ELT (node, i))
781	      {
782		char temp[10];
783		sprintf (temp, "elt %d", i);
784		indent_to (file, indent + 4);
785		print_node_brief (file, temp, TREE_VEC_ELT (node, i), 0);
786	      }
787	  break;
788
789    	case STATEMENT_LIST:
790	  dump_addr (file, " head ", node->stmt_list.head);
791	  dump_addr (file, " tail ", node->stmt_list.tail);
792	  fprintf (file, " stmts");
793	  {
794	    tree_stmt_iterator i;
795	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
796	      {
797		/* Not printing the addresses of the (not-a-tree)
798		   'struct tree_stmt_list_node's.  */
799		dump_addr (file, " ", tsi_stmt (i));
800	      }
801	    fprintf (file, "\n");
802	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
803	      {
804		/* Not printing the addresses of the (not-a-tree)
805		   'struct tree_stmt_list_node's.  */
806		print_node (file, "stmt", tsi_stmt (i), indent + 4);
807	      }
808	  }
809	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
810	  break;
811
812	case BLOCK:
813	  print_node (file, "vars", BLOCK_VARS (node), indent + 4);
814	  print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node),
815		      indent + 4);
816	  print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
817	  print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
818	  print_node (file, "abstract_origin",
819		      BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
820	  break;
821
822	case SSA_NAME:
823	  print_node_brief (file, "var", SSA_NAME_VAR (node), indent + 4);
824	  print_node_brief (file, "def_stmt",
825			    SSA_NAME_DEF_STMT (node), indent + 4);
826
827	  indent_to (file, indent + 4);
828	  fprintf (file, "version %u", SSA_NAME_VERSION (node));
829	  if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node))
830	    fprintf (file, " in-abnormal-phi");
831	  if (SSA_NAME_IN_FREE_LIST (node))
832	    fprintf (file, " in-free-list");
833
834	  if (SSA_NAME_PTR_INFO (node)
835	      || SSA_NAME_VALUE (node))
836	    {
837	      indent_to (file, indent + 3);
838	      if (SSA_NAME_PTR_INFO (node))
839		dump_addr (file, " ptr-info ", SSA_NAME_PTR_INFO (node));
840	      if (SSA_NAME_VALUE (node))
841		dump_addr (file, " value ", SSA_NAME_VALUE (node));
842	    }
843	  break;
844
845	case OMP_CLAUSE:
846	    {
847	      int i;
848	      fprintf (file, " %s",
849		       omp_clause_code_name[OMP_CLAUSE_CODE (node)]);
850	      for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (node)]; i++)
851		{
852		  indent_to (file, indent + 4);
853		  fprintf (file, "op %d:", i);
854		  print_node_brief (file, "", OMP_CLAUSE_OPERAND (node, i), 0);
855		}
856	    }
857	  break;
858
859	default:
860	  if (EXCEPTIONAL_CLASS_P (node))
861	    lang_hooks.print_xnode (file, node, indent);
862	  break;
863	}
864
865      break;
866    }
867
868  if (EXPR_HAS_LOCATION (node))
869    {
870      expanded_location xloc = expand_location (EXPR_LOCATION (node));
871      indent_to (file, indent+4);
872      fprintf (file, "%s:%d", xloc.file, xloc.line);
873    }
874
875  fprintf (file, ">");
876}
877