1/* Prints out tree in human readable form - GNU C-compiler
2   Copyright (C) 1990, 91, 93-97, 1998 Free Software Foundation, Inc.
3
4This file is part of GNU CC.
5
6GNU CC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GNU CC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU CC; see the file COPYING.  If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA.  */
20
21
22#include "config.h"
23#include "system.h"
24#include "tree.h"
25
26extern char *mode_name[];
27
28void print_node ();
29void indent_to ();
30
31/* Define the hash table of nodes already seen.
32   Such nodes are not repeated; brief cross-references are used.  */
33
34#define HASH_SIZE 37
35
36struct bucket
37{
38  tree node;
39  struct bucket *next;
40};
41
42static struct bucket **table;
43
44/* Print the node NODE on standard error, for debugging.
45   Most nodes referred to by this one are printed recursively
46   down to a depth of six.  */
47
48void
49debug_tree (node)
50     tree node;
51{
52  char *object = (char *) oballoc (0);
53
54  table = (struct bucket **) oballoc (HASH_SIZE * sizeof (struct bucket *));
55  bzero ((char *) table, HASH_SIZE * sizeof (struct bucket *));
56  print_node (stderr, "", node, 0);
57  table = 0;
58  obfree (object);
59  fprintf (stderr, "\n");
60}
61
62/* Print a node in brief fashion, with just the code, address and name.  */
63
64void
65print_node_brief (file, prefix, node, indent)
66     FILE *file;
67     const char *prefix;
68     tree node;
69     int indent;
70{
71  char class;
72
73  if (node == 0)
74    return;
75
76  class = TREE_CODE_CLASS (TREE_CODE (node));
77
78  /* Always print the slot this node is in, and its code, address and
79     name if any.  */
80  if (indent > 0)
81    fprintf (file, " ");
82  fprintf (file, "%s <%s ", prefix, tree_code_name[(int) TREE_CODE (node)]);
83  fprintf (file, HOST_PTR_PRINTF, (char *) node);
84
85  if (class == 'd')
86    {
87      if (DECL_NAME (node))
88	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
89    }
90  else if (class == 't')
91    {
92      if (TYPE_NAME (node))
93	{
94	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
95	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
96	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
97		   && DECL_NAME (TYPE_NAME (node)))
98	    fprintf (file, " %s",
99		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
100	}
101    }
102  if (TREE_CODE (node) == IDENTIFIER_NODE)
103    fprintf (file, " %s", IDENTIFIER_POINTER (node));
104  /* We might as well always print the value of an integer.  */
105  if (TREE_CODE (node) == INTEGER_CST)
106    {
107      if (TREE_CONSTANT_OVERFLOW (node))
108	fprintf (file, " overflow");
109
110      fprintf (file, " ");
111      if (TREE_INT_CST_HIGH (node) == 0)
112	fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED, TREE_INT_CST_LOW (node));
113      else if (TREE_INT_CST_HIGH (node) == -1
114	       && TREE_INT_CST_LOW (node) != 0)
115	{
116	  fprintf (file, "-");
117	  fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
118		 -TREE_INT_CST_LOW (node));
119	}
120      else
121	fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
122		 TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
123    }
124  if (TREE_CODE (node) == REAL_CST)
125    {
126      REAL_VALUE_TYPE d;
127
128      if (TREE_OVERFLOW (node))
129	fprintf (file, " overflow");
130
131#if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
132      d = TREE_REAL_CST (node);
133      if (REAL_VALUE_ISINF (d))
134	fprintf (file, " Inf");
135      else if (REAL_VALUE_ISNAN (d))
136	fprintf (file, " Nan");
137      else
138	{
139	  char string[100];
140
141	  REAL_VALUE_TO_DECIMAL (d, "%e", string);
142	  fprintf (file, " %s", string);
143	}
144#else
145      {
146	int i;
147	unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
148	fprintf (file, " 0x");
149	for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
150	  fprintf (file, "%02x", *p++);
151	fprintf (file, "");
152      }
153#endif
154    }
155
156  fprintf (file, ">");
157}
158
159void
160indent_to (file, column)
161     FILE *file;
162     int column;
163{
164  int i;
165
166  /* Since this is the long way, indent to desired column.  */
167  if (column > 0)
168    fprintf (file, "\n");
169  for (i = 0; i < column; i++)
170    fprintf (file, " ");
171}
172
173/* Print the node NODE in full on file FILE, preceded by PREFIX,
174   starting in column INDENT.  */
175
176void
177print_node (file, prefix, node, indent)
178     FILE *file;
179     const char *prefix;
180     tree node;
181     int indent;
182{
183  int hash;
184  struct bucket *b;
185  enum machine_mode mode;
186  char class;
187  int len;
188  int first_rtl;
189  int i;
190
191  if (node == 0)
192    return;
193
194  class = TREE_CODE_CLASS (TREE_CODE (node));
195
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.  */
199
200  if (indent > 24)
201    {
202      print_node_brief (file, prefix, node, indent);
203      return;
204    }
205
206  if (indent > 8 && (class == 't' || class == 'd'))
207    {
208      print_node_brief (file, prefix, node, indent);
209      return;
210    }
211
212  /* It is unsafe to look at any other filds of an ERROR_MARK node.  */
213  if (TREE_CODE (node) == ERROR_MARK)
214    {
215      print_node_brief (file, prefix, node, indent);
216      return;
217    }
218
219  hash = ((unsigned long) node) % HASH_SIZE;
220
221  /* If node is in the table, just mention its address.  */
222  for (b = table[hash]; b; b = b->next)
223    if (b->node == node)
224      {
225	print_node_brief (file, prefix, node, indent);
226	return;
227      }
228
229  /* Add this node to the table.  */
230  b = (struct bucket *) oballoc (sizeof (struct bucket));
231  b->node = node;
232  b->next = table[hash];
233  table[hash] = b;
234
235  /* Indent to the specified column, since this is the long form.  */
236  indent_to (file, indent);
237
238  /* Print the slot this node is in, and its code, and address.  */
239  fprintf (file, "%s <%s ", prefix, tree_code_name[(int) TREE_CODE (node)]);
240  fprintf (file, HOST_PTR_PRINTF, (char *) node);
241
242  /* Print the name, if any.  */
243  if (class == 'd')
244    {
245      if (DECL_NAME (node))
246	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
247    }
248  else if (class == 't')
249    {
250      if (TYPE_NAME (node))
251	{
252	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
253	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
254	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
255		   && DECL_NAME (TYPE_NAME (node)))
256	    fprintf (file, " %s",
257		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
258	}
259    }
260  if (TREE_CODE (node) == IDENTIFIER_NODE)
261    fprintf (file, " %s", IDENTIFIER_POINTER (node));
262
263  if (TREE_CODE (node) == INTEGER_CST)
264    {
265      if (indent <= 4)
266	print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
267    }
268  else
269    {
270      print_node (file, "type", TREE_TYPE (node), indent + 4);
271      if (TREE_TYPE (node))
272	indent_to (file, indent + 3);
273
274      print_obstack_name ((char *) node, file, "");
275      indent_to (file, indent + 3);
276    }
277
278  /* If a permanent object is in the wrong obstack, or the reverse, warn.  */
279  if (object_permanent_p (node) != TREE_PERMANENT (node))
280    {
281      if (TREE_PERMANENT (node))
282	fputs (" !!permanent object in non-permanent obstack!!", file);
283      else
284	fputs (" !!non-permanent object in permanent obstack!!", file);
285      indent_to (file, indent + 3);
286    }
287
288  if (TREE_SIDE_EFFECTS (node))
289    fputs (" side-effects", file);
290  if (TREE_READONLY (node))
291    fputs (" readonly", file);
292  if (TREE_CONSTANT (node))
293    fputs (" constant", file);
294  if (TREE_ADDRESSABLE (node))
295    fputs (" addressable", file);
296  if (TREE_THIS_VOLATILE (node))
297    fputs (" volatile", file);
298  if (TREE_UNSIGNED (node))
299    fputs (" unsigned", file);
300  if (TREE_ASM_WRITTEN (node))
301    fputs (" asm_written", file);
302  if (TREE_USED (node))
303    fputs (" used", file);
304  if (TREE_RAISES (node))
305    fputs (" raises", file);
306  if (TREE_PERMANENT (node))
307    fputs (" permanent", file);
308  if (TREE_PUBLIC (node))
309    fputs (" public", file);
310  if (TREE_STATIC (node))
311    fputs (" static", file);
312  if (TREE_LANG_FLAG_0 (node))
313    fputs (" tree_0", file);
314  if (TREE_LANG_FLAG_1 (node))
315    fputs (" tree_1", file);
316  if (TREE_LANG_FLAG_2 (node))
317    fputs (" tree_2", file);
318  if (TREE_LANG_FLAG_3 (node))
319    fputs (" tree_3", file);
320  if (TREE_LANG_FLAG_4 (node))
321    fputs (" tree_4", file);
322  if (TREE_LANG_FLAG_5 (node))
323    fputs (" tree_5", file);
324  if (TREE_LANG_FLAG_6 (node))
325    fputs (" tree_6", file);
326
327  /* DECL_ nodes have additional attributes.  */
328
329  switch (TREE_CODE_CLASS (TREE_CODE (node)))
330    {
331    case 'd':
332      mode = DECL_MODE (node);
333
334      if (DECL_IGNORED_P (node))
335	fputs (" ignored", file);
336      if (DECL_ABSTRACT (node))
337	fputs (" abstract", file);
338      if (DECL_IN_SYSTEM_HEADER (node))
339	fputs (" in_system_header", file);
340      if (DECL_COMMON (node))
341	fputs (" common", file);
342      if (DECL_EXTERNAL (node))
343	fputs (" external", file);
344      if (DECL_REGISTER (node))
345	fputs (" regdecl", file);
346      if (DECL_PACKED (node))
347	fputs (" packed", file);
348      if (DECL_NONLOCAL (node))
349	fputs (" nonlocal", file);
350      if (DECL_INLINE (node))
351	fputs (" inline", 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_BUILT_IN (node))
357	fputs (" built-in", file);
358      if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN_NONANSI (node))
359	fputs (" built-in-nonansi", file);
360
361      if (TREE_CODE (node) == FIELD_DECL && DECL_BIT_FIELD (node))
362	fputs (" bit-field", file);
363      if (TREE_CODE (node) == LABEL_DECL && DECL_TOO_LATE (node))
364	fputs (" too-late", file);
365      if (TREE_CODE (node) == VAR_DECL && DECL_IN_TEXT_SECTION (node))
366	fputs (" in-text-section", file);
367
368      if (DECL_VIRTUAL_P (node))
369	fputs (" virtual", file);
370      if (DECL_DEFER_OUTPUT (node))
371	fputs (" defer-output", file);
372      if (DECL_TRANSPARENT_UNION (node))
373	fputs (" transparent-union", file);
374
375      if (DECL_LANG_FLAG_0 (node))
376	fputs (" decl_0", file);
377      if (DECL_LANG_FLAG_1 (node))
378	fputs (" decl_1", file);
379      if (DECL_LANG_FLAG_2 (node))
380	fputs (" decl_2", file);
381      if (DECL_LANG_FLAG_3 (node))
382	fputs (" decl_3", file);
383      if (DECL_LANG_FLAG_4 (node))
384	fputs (" decl_4", file);
385      if (DECL_LANG_FLAG_5 (node))
386	fputs (" decl_5", file);
387      if (DECL_LANG_FLAG_6 (node))
388	fputs (" decl_6", file);
389      if (DECL_LANG_FLAG_7 (node))
390	fputs (" decl_7", file);
391
392      fprintf (file, " %s", mode_name[(int) mode]);
393
394      fprintf (file, " file %s line %d",
395	       DECL_SOURCE_FILE (node), DECL_SOURCE_LINE (node));
396
397      print_node (file, "size", DECL_SIZE (node), indent + 4);
398      indent_to (file, indent + 3);
399      if (TREE_CODE (node) != FUNCTION_DECL)
400	fprintf (file, " align %d", DECL_ALIGN (node));
401      else if (DECL_INLINE (node))
402	fprintf (file, " frame_size %d", DECL_FRAME_SIZE (node));
403      else if (DECL_BUILT_IN (node))
404	fprintf (file, " built-in code %d", DECL_FUNCTION_CODE (node));
405      if (TREE_CODE (node) == FIELD_DECL)
406	print_node (file, "bitpos", DECL_FIELD_BITPOS (node), indent + 4);
407      if (DECL_POINTER_ALIAS_SET_KNOWN_P (node))
408	fprintf (file, " alias set %d", DECL_POINTER_ALIAS_SET (node));
409      print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
410      print_node_brief (file, "machine_attributes", DECL_MACHINE_ATTRIBUTES (node), indent + 4);
411      print_node_brief (file, "abstract_origin",
412			DECL_ABSTRACT_ORIGIN (node), indent + 4);
413
414      print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
415      print_node (file, "result", DECL_RESULT (node), indent + 4);
416      print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);
417
418      print_lang_decl (file, node, indent);
419
420      if (DECL_RTL (node) != 0)
421	{
422	  indent_to (file, indent + 4);
423	  print_rtl (file, DECL_RTL (node));
424	}
425
426      if (DECL_SAVED_INSNS (node) != 0)
427	{
428	  indent_to (file, indent + 4);
429	  if (TREE_CODE (node) == PARM_DECL)
430	    {
431	      fprintf (file, "incoming-rtl ");
432	      print_rtl (file, DECL_INCOMING_RTL (node));
433	    }
434	  else if (TREE_CODE (node) == FUNCTION_DECL)
435	    {
436	      fprintf (file, "saved-insns ");
437	      fprintf (file, HOST_PTR_PRINTF,
438 		       (char *) DECL_SAVED_INSNS (node));
439	    }
440	}
441
442      /* Print the decl chain only if decl is at second level.  */
443      if (indent == 4)
444	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
445      else
446	print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
447      break;
448
449    case 't':
450      if (TYPE_NO_FORCE_BLK (node))
451	fputs (" no-force-blk", file);
452      if (TYPE_STRING_FLAG (node))
453	fputs (" string-flag", file);
454      if (TYPE_NEEDS_CONSTRUCTING (node))
455	fputs (" needs-constructing", file);
456      if (TYPE_TRANSPARENT_UNION (node))
457	fputs (" transparent-union", file);
458      if (TYPE_PACKED (node))
459	fputs (" packed", file);
460
461      if (TYPE_LANG_FLAG_0 (node))
462	fputs (" type_0", file);
463      if (TYPE_LANG_FLAG_1 (node))
464	fputs (" type_1", file);
465      if (TYPE_LANG_FLAG_2 (node))
466	fputs (" type_2", file);
467      if (TYPE_LANG_FLAG_3 (node))
468	fputs (" type_3", file);
469      if (TYPE_LANG_FLAG_4 (node))
470	fputs (" type_4", file);
471      if (TYPE_LANG_FLAG_5 (node))
472	fputs (" type_5", file);
473      if (TYPE_LANG_FLAG_6 (node))
474	fputs (" type_6", file);
475
476      mode = TYPE_MODE (node);
477      fprintf (file, " %s", mode_name[(int) mode]);
478
479      print_node (file, "size", TYPE_SIZE (node), indent + 4);
480      indent_to (file, indent + 3);
481
482      fprintf (file, " align %d", TYPE_ALIGN (node));
483      fprintf (file, " symtab %d", TYPE_SYMTAB_ADDRESS (node));
484      fprintf (file, " alias set %d", TYPE_ALIAS_SET (node));
485
486      print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
487
488      if (TREE_CODE (node) == ARRAY_TYPE || TREE_CODE (node) == SET_TYPE)
489	print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
490      else if (TREE_CODE (node) == INTEGER_TYPE
491	       || TREE_CODE (node) == BOOLEAN_TYPE
492	       || TREE_CODE (node) == CHAR_TYPE)
493	{
494	  fprintf (file, " precision %d", TYPE_PRECISION (node));
495	  print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
496	  print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
497	}
498      else if (TREE_CODE (node) == ENUMERAL_TYPE)
499	{
500	  fprintf (file, " precision %d", TYPE_PRECISION (node));
501	  print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
502	  print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
503	  print_node (file, "values", TYPE_VALUES (node), indent + 4);
504	}
505      else if (TREE_CODE (node) == REAL_TYPE)
506	fprintf (file, " precision %d", TYPE_PRECISION (node));
507      else if (TREE_CODE (node) == RECORD_TYPE
508	       || TREE_CODE (node) == UNION_TYPE
509	       || TREE_CODE (node) == QUAL_UNION_TYPE)
510	print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
511      else if (TREE_CODE (node) == FUNCTION_TYPE || TREE_CODE (node) == METHOD_TYPE)
512	{
513	  if (TYPE_METHOD_BASETYPE (node))
514	    print_node_brief (file, "method basetype", TYPE_METHOD_BASETYPE (node), indent + 4);
515	  print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
516	}
517      if (TYPE_CONTEXT (node))
518	print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
519
520      print_lang_type (file, node, indent);
521
522      if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
523	indent_to (file, indent + 3);
524      print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node), indent + 4);
525      print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node), indent + 4);
526      print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
527      break;
528
529    case 'b':
530      print_node (file, "vars", BLOCK_VARS (node), indent + 4);
531      print_node (file, "tags", BLOCK_TYPE_TAGS (node), indent + 4);
532      print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node), indent + 4);
533      print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
534      print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
535      print_node (file, "abstract_origin",
536		  BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
537      break;
538
539    case 'e':
540    case '<':
541    case '1':
542    case '2':
543    case 'r':
544    case 's':
545      if (TREE_CODE (node) == BIND_EXPR)
546	{
547	  print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
548	  print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
549	  print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
550	  break;
551	}
552
553      len = tree_code_length[(int) TREE_CODE (node)];
554      /* Some nodes contain rtx's, not trees,
555	 after a certain point.  Print the rtx's as rtx's.  */
556      first_rtl = first_rtl_op (TREE_CODE (node));
557      for (i = 0; i < len; i++)
558	{
559	  if (i >= first_rtl)
560	    {
561	      indent_to (file, indent + 4);
562	      fprintf (file, "rtl %d ", i);
563	      if (TREE_OPERAND (node, i))
564		print_rtl (file, (struct rtx_def *) TREE_OPERAND (node, i));
565	      else
566		fprintf (file, "(nil)");
567	      fprintf (file, "\n");
568	    }
569	  else
570	    {
571	      char temp[10];
572
573	      sprintf (temp, "arg %d", i);
574	      print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
575	    }
576	}
577
578      if (TREE_CODE (node) == EXPR_WITH_FILE_LOCATION)
579	{
580	  indent_to (file, indent+4);
581          fprintf (file, "%s:%d:%d",
582		   (EXPR_WFL_FILENAME_NODE (node ) ?
583		    EXPR_WFL_FILENAME (node) : "(no file info)"),
584		   EXPR_WFL_LINENO (node), EXPR_WFL_COLNO (node));
585	}
586      break;
587
588    case 'c':
589    case 'x':
590      switch (TREE_CODE (node))
591	{
592	case INTEGER_CST:
593	  if (TREE_CONSTANT_OVERFLOW (node))
594	    fprintf (file, " overflow");
595
596	  fprintf (file, " ");
597	  if (TREE_INT_CST_HIGH (node) == 0)
598	    fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
599		     TREE_INT_CST_LOW (node));
600	  else if (TREE_INT_CST_HIGH (node) == -1
601		   && TREE_INT_CST_LOW (node) != 0)
602	    {
603	      fprintf (file, "-");
604	      fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
605		       -TREE_INT_CST_LOW (node));
606	    }
607	  else
608	    fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
609		     TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
610	  break;
611
612	case REAL_CST:
613	  {
614	    REAL_VALUE_TYPE d;
615
616	    if (TREE_OVERFLOW (node))
617	      fprintf (file, " overflow");
618
619#if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
620	    d = TREE_REAL_CST (node);
621	    if (REAL_VALUE_ISINF (d))
622	      fprintf (file, " Inf");
623	    else if (REAL_VALUE_ISNAN (d))
624	      fprintf (file, " Nan");
625	    else
626	      {
627		char string[100];
628
629		REAL_VALUE_TO_DECIMAL (d, "%e", string);
630		fprintf (file, " %s", string);
631	      }
632#else
633	    {
634	      int i;
635	      unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
636	      fprintf (file, " 0x");
637	      for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
638		fprintf (file, "%02x", *p++);
639	      fprintf (file, "");
640	    }
641#endif
642	  }
643	  break;
644
645	case COMPLEX_CST:
646	  print_node (file, "real", TREE_REALPART (node), indent + 4);
647	  print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
648	  break;
649
650	case STRING_CST:
651	  fprintf (file, " \"%s\"", TREE_STRING_POINTER (node));
652	  /* Print the chain at second level.  */
653	  if (indent == 4)
654	    print_node (file, "chain", TREE_CHAIN (node), indent + 4);
655	  else
656	    print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
657	  break;
658
659	case IDENTIFIER_NODE:
660	  print_lang_identifier (file, node, indent);
661	  break;
662
663	case TREE_LIST:
664	  print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
665	  print_node (file, "value", TREE_VALUE (node), indent + 4);
666	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
667	  break;
668
669	case TREE_VEC:
670	  len = TREE_VEC_LENGTH (node);
671	  for (i = 0; i < len; i++)
672	    if (TREE_VEC_ELT (node, i))
673	      {
674		char temp[10];
675		sprintf (temp, "elt %d", i);
676		indent_to (file, indent + 4);
677		print_node_brief (file, temp, TREE_VEC_ELT (node, i), 0);
678	      }
679	  break;
680
681	case OP_IDENTIFIER:
682	  print_node (file, "op1", TREE_PURPOSE (node), indent + 4);
683	  print_node (file, "op2", TREE_VALUE (node), indent + 4);
684	  break;
685
686	default:
687	  if (TREE_CODE_CLASS (TREE_CODE (node)) == 'x')
688	    lang_print_xnode (file, node, indent);
689	  break;
690	}
691
692      break;
693    }
694
695  fprintf (file, ">");
696}
697