xref: /dragonfly/contrib/gcc-4.7/gcc/print-tree.c (revision 5ce9237c)
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, 2006, 2007, 2008, 2009, 2010
4    Free Software Foundation, Inc.
5 
6 This file is part of GCC.
7 
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
12 
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16 for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3.  If not see
20 <http://www.gnu.org/licenses/>.  */
21 
22 
23 #include "config.h"
24 #include "system.h"
25 #include "coretypes.h"
26 #include "tm.h"
27 #include "tree.h"
28 #include "ggc.h"
29 #include "langhooks.h"
30 #include "tree-iterator.h"
31 #include "diagnostic.h"
32 #include "gimple-pretty-print.h"
33 #include "tree-flow.h"
34 #include "tree-pass.h"
35 
36 /* Define the hash table of nodes already seen.
37    Such nodes are not repeated; brief cross-references are used.  */
38 
39 #define HASH_SIZE 37
40 
41 struct bucket
42 {
43   tree node;
44   struct bucket *next;
45 };
46 
47 static struct bucket **table;
48 
49 /* Print the node NODE on standard error, for debugging.
50    Most nodes referred to by this one are printed recursively
51    down to a depth of six.  */
52 
53 DEBUG_FUNCTION void
debug_tree(tree node)54 debug_tree (tree node)
55 {
56   table = XCNEWVEC (struct bucket *, HASH_SIZE);
57   print_node (stderr, "", node, 0);
58   free (table);
59   table = 0;
60   putc ('\n', stderr);
61 }
62 
63 /* Print the vector of trees VEC on standard error, for debugging.
64    Most nodes referred to by this one are printed recursively
65    down to a depth of six.  */
66 
67 DEBUG_FUNCTION void
debug_vec_tree(VEC (tree,gc)* vec)68 debug_vec_tree (VEC(tree,gc) *vec)
69 {
70   table = XCNEWVEC (struct bucket *, HASH_SIZE);
71   print_vec_tree (stderr, "", vec, 0);
72   free (table);
73   table = 0;
74   putc ('\n', stderr);
75 }
76 
77 /* Print PREFIX and ADDR to FILE.  */
78 void
dump_addr(FILE * file,const char * prefix,const void * addr)79 dump_addr (FILE *file, const char *prefix, const void *addr)
80 {
81   if (flag_dump_noaddr || flag_dump_unnumbered)
82     fprintf (file, "%s#", prefix);
83   else
84     fprintf (file, "%s" HOST_PTR_PRINTF, prefix, addr);
85 }
86 
87 /* Print a node in brief fashion, with just the code, address and name.  */
88 
89 void
print_node_brief(FILE * file,const char * prefix,const_tree node,int indent)90 print_node_brief (FILE *file, const char *prefix, const_tree node, int indent)
91 {
92   enum tree_code_class tclass;
93 
94   if (node == 0)
95     return;
96 
97   tclass = TREE_CODE_CLASS (TREE_CODE (node));
98 
99   /* Always print the slot this node is in, and its code, address and
100      name if any.  */
101   if (indent > 0)
102     fprintf (file, " ");
103   fprintf (file, "%s <%s", prefix, tree_code_name[(int) TREE_CODE (node)]);
104   dump_addr (file, " ", node);
105 
106   if (tclass == tcc_declaration)
107     {
108       if (DECL_NAME (node))
109 	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
110       else if (TREE_CODE (node) == LABEL_DECL
111 	       && LABEL_DECL_UID (node) != -1)
112 	{
113 	  if (dump_flags & TDF_NOUID)
114 	    fprintf (file, " L.xxxx");
115 	  else
116 	    fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
117 	}
118       else
119 	{
120 	  if (dump_flags & TDF_NOUID)
121 	    fprintf (file, " %c.xxxx",
122 		     TREE_CODE (node) == CONST_DECL ? 'C' : 'D');
123 	  else
124 	    fprintf (file, " %c.%u",
125 		     TREE_CODE (node) == CONST_DECL ? 'C' : 'D',
126 		     DECL_UID (node));
127 	}
128     }
129   else if (tclass == tcc_type)
130     {
131       if (TYPE_NAME (node))
132 	{
133 	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
134 	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
135 	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
136 		   && DECL_NAME (TYPE_NAME (node)))
137 	    fprintf (file, " %s",
138 		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
139 	}
140       if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
141 	fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
142     }
143   if (TREE_CODE (node) == IDENTIFIER_NODE)
144     fprintf (file, " %s", IDENTIFIER_POINTER (node));
145 
146   /* We might as well always print the value of an integer or real.  */
147   if (TREE_CODE (node) == INTEGER_CST)
148     {
149       if (TREE_OVERFLOW (node))
150 	fprintf (file, " overflow");
151 
152       fprintf (file, " ");
153       if (TREE_INT_CST_HIGH (node) == 0)
154 	fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED, TREE_INT_CST_LOW (node));
155       else if (TREE_INT_CST_HIGH (node) == -1
156 	       && TREE_INT_CST_LOW (node) != 0)
157 	fprintf (file, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
158 		 -TREE_INT_CST_LOW (node));
159       else
160 	fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
161 		 (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (node),
162 		 (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (node));
163     }
164   if (TREE_CODE (node) == REAL_CST)
165     {
166       REAL_VALUE_TYPE d;
167 
168       if (TREE_OVERFLOW (node))
169 	fprintf (file, " overflow");
170 
171       d = TREE_REAL_CST (node);
172       if (REAL_VALUE_ISINF (d))
173 	fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
174       else if (REAL_VALUE_ISNAN (d))
175 	fprintf (file, " Nan");
176       else
177 	{
178 	  char string[60];
179 	  real_to_decimal (string, &d, sizeof (string), 0, 1);
180 	  fprintf (file, " %s", string);
181 	}
182     }
183   if (TREE_CODE (node) == FIXED_CST)
184     {
185       FIXED_VALUE_TYPE f;
186       char string[60];
187 
188       if (TREE_OVERFLOW (node))
189 	fprintf (file, " overflow");
190 
191       f = TREE_FIXED_CST (node);
192       fixed_to_decimal (string, &f, sizeof (string));
193       fprintf (file, " %s", string);
194     }
195 
196   fprintf (file, ">");
197 }
198 
199 void
indent_to(FILE * file,int column)200 indent_to (FILE *file, int column)
201 {
202   int i;
203 
204   /* Since this is the long way, indent to desired column.  */
205   if (column > 0)
206     fprintf (file, "\n");
207   for (i = 0; i < column; i++)
208     fprintf (file, " ");
209 }
210 
211 /* Print the node NODE in full on file FILE, preceded by PREFIX,
212    starting in column INDENT.  */
213 
214 void
print_node(FILE * file,const char * prefix,tree node,int indent)215 print_node (FILE *file, const char *prefix, tree node, int indent)
216 {
217   int hash;
218   struct bucket *b;
219   enum machine_mode mode;
220   enum tree_code_class tclass;
221   int len;
222   int i;
223   expanded_location xloc;
224   enum tree_code code;
225 
226   if (node == 0)
227     return;
228 
229   code = TREE_CODE (node);
230   tclass = TREE_CODE_CLASS (code);
231 
232   /* Don't get too deep in nesting.  If the user wants to see deeper,
233      it is easy to use the address of a lowest-level node
234      as an argument in another call to debug_tree.  */
235 
236   if (indent > 24)
237     {
238       print_node_brief (file, prefix, node, indent);
239       return;
240     }
241 
242   if (indent > 8 && (tclass == tcc_type || tclass == tcc_declaration))
243     {
244       print_node_brief (file, prefix, node, indent);
245       return;
246     }
247 
248   /* It is unsafe to look at any other fields of an ERROR_MARK node.  */
249   if (code == ERROR_MARK)
250     {
251       print_node_brief (file, prefix, node, indent);
252       return;
253     }
254 
255   /* Allow this function to be called if the table is not there.  */
256   if (table)
257     {
258       hash = ((uintptr_t) node) % HASH_SIZE;
259 
260       /* If node is in the table, just mention its address.  */
261       for (b = table[hash]; b; b = b->next)
262 	if (b->node == node)
263 	  {
264 	    print_node_brief (file, prefix, node, indent);
265 	    return;
266 	  }
267 
268       /* Add this node to the table.  */
269       b = XNEW (struct bucket);
270       b->node = node;
271       b->next = table[hash];
272       table[hash] = b;
273     }
274 
275   /* Indent to the specified column, since this is the long form.  */
276   indent_to (file, indent);
277 
278   /* Print the slot this node is in, and its code, and address.  */
279   fprintf (file, "%s <%s", prefix, tree_code_name[(int) code]);
280   dump_addr (file, " ", node);
281 
282   /* Print the name, if any.  */
283   if (tclass == tcc_declaration)
284     {
285       if (DECL_NAME (node))
286 	fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
287       else if (code == LABEL_DECL
288 	       && LABEL_DECL_UID (node) != -1)
289 	{
290 	  if (dump_flags & TDF_NOUID)
291 	    fprintf (file, " L.xxxx");
292 	  else
293 	    fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
294 	}
295       else
296 	{
297 	  if (dump_flags & TDF_NOUID)
298 	    fprintf (file, " %c.xxxx", code == CONST_DECL ? 'C' : 'D');
299 	  else
300 	    fprintf (file, " %c.%u", code == CONST_DECL ? 'C' : 'D',
301 		     DECL_UID (node));
302 	}
303     }
304   else if (tclass == tcc_type)
305     {
306       if (TYPE_NAME (node))
307 	{
308 	  if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
309 	    fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
310 	  else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
311 		   && DECL_NAME (TYPE_NAME (node)))
312 	    fprintf (file, " %s",
313 		     IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
314 	}
315     }
316   if (code == IDENTIFIER_NODE)
317     fprintf (file, " %s", IDENTIFIER_POINTER (node));
318 
319   if (code == INTEGER_CST)
320     {
321       if (indent <= 4)
322 	print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
323     }
324   else if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
325     {
326       print_node (file, "type", TREE_TYPE (node), indent + 4);
327       if (TREE_TYPE (node))
328 	indent_to (file, indent + 3);
329     }
330 
331   if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
332     fputs (" side-effects", file);
333 
334   if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
335     fputs (" readonly", file);
336   if (!TYPE_P (node) && TREE_CONSTANT (node))
337     fputs (" constant", file);
338   else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
339     fputs (" sizes-gimplified", file);
340 
341   if (TYPE_P (node) && !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
342     fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
343 
344   if (TREE_ADDRESSABLE (node))
345     fputs (" addressable", file);
346   if (TREE_THIS_VOLATILE (node))
347     fputs (" volatile", file);
348   if (TREE_ASM_WRITTEN (node))
349     fputs (" asm_written", file);
350   if (TREE_USED (node))
351     fputs (" used", file);
352   if (TREE_NOTHROW (node))
353     fputs (TYPE_P (node) ? " align-ok" : " nothrow", file);
354   if (TREE_PUBLIC (node))
355     fputs (" public", file);
356   if (TREE_PRIVATE (node))
357     fputs (" private", file);
358   if (TREE_PROTECTED (node))
359     fputs (" protected", file);
360   if (TREE_STATIC (node))
361     fputs (" static", file);
362   if (TREE_DEPRECATED (node))
363     fputs (" deprecated", file);
364   if (TREE_VISITED (node))
365     fputs (" visited", file);
366   if (TREE_LANG_FLAG_0 (node))
367     fputs (" tree_0", file);
368   if (TREE_LANG_FLAG_1 (node))
369     fputs (" tree_1", file);
370   if (TREE_LANG_FLAG_2 (node))
371     fputs (" tree_2", file);
372   if (TREE_LANG_FLAG_3 (node))
373     fputs (" tree_3", file);
374   if (TREE_LANG_FLAG_4 (node))
375     fputs (" tree_4", file);
376   if (TREE_LANG_FLAG_5 (node))
377     fputs (" tree_5", file);
378   if (TREE_LANG_FLAG_6 (node))
379     fputs (" tree_6", file);
380 
381   /* DECL_ nodes have additional attributes.  */
382 
383   switch (TREE_CODE_CLASS (code))
384     {
385     case tcc_declaration:
386       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
387 	{
388 	  if (DECL_UNSIGNED (node))
389 	    fputs (" unsigned", file);
390 	  if (DECL_IGNORED_P (node))
391 	    fputs (" ignored", file);
392 	  if (DECL_ABSTRACT (node))
393 	    fputs (" abstract", file);
394 	  if (DECL_EXTERNAL (node))
395 	    fputs (" external", file);
396 	  if (DECL_NONLOCAL (node))
397 	    fputs (" nonlocal", file);
398 	}
399       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
400 	{
401 	  if (DECL_WEAK (node))
402 	    fputs (" weak", file);
403 	  if (DECL_IN_SYSTEM_HEADER (node))
404 	    fputs (" in_system_header", file);
405 	}
406       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
407 	  && code != LABEL_DECL
408 	  && code != FUNCTION_DECL
409 	  && DECL_REGISTER (node))
410 	fputs (" regdecl", file);
411 
412       if (code == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
413 	fputs (" suppress-debug", file);
414 
415       if (code == FUNCTION_DECL
416 	  && DECL_FUNCTION_SPECIFIC_TARGET (node))
417 	fputs (" function-specific-target", file);
418       if (code == FUNCTION_DECL
419 	  && DECL_FUNCTION_SPECIFIC_OPTIMIZATION (node))
420 	fputs (" function-specific-opt", file);
421       if (code == FUNCTION_DECL && DECL_DECLARED_INLINE_P (node))
422 	fputs (" autoinline", file);
423       if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
424 	fputs (" built-in", file);
425       if (code == FUNCTION_DECL && DECL_STATIC_CHAIN (node))
426 	fputs (" static-chain", file);
427       if (TREE_CODE (node) == FUNCTION_DECL && decl_is_tm_clone (node))
428 	fputs (" tm-clone", file);
429 
430       if (code == FIELD_DECL && DECL_PACKED (node))
431 	fputs (" packed", file);
432       if (code == FIELD_DECL && DECL_BIT_FIELD (node))
433 	fputs (" bit-field", file);
434       if (code == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
435 	fputs (" nonaddressable", file);
436 
437       if (code == LABEL_DECL && DECL_ERROR_ISSUED (node))
438 	fputs (" error-issued", file);
439       if (code == LABEL_DECL && EH_LANDING_PAD_NR (node))
440 	fprintf (file, " landing-pad:%d", EH_LANDING_PAD_NR (node));
441 
442       if (code == VAR_DECL && DECL_IN_TEXT_SECTION (node))
443 	fputs (" in-text-section", file);
444       if (code == VAR_DECL && DECL_IN_CONSTANT_POOL (node))
445 	fputs (" in-constant-pool", file);
446       if (code == VAR_DECL && DECL_COMMON (node))
447 	fputs (" common", file);
448       if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
449 	{
450 	  enum tls_model kind = DECL_TLS_MODEL (node);
451 	  switch (kind)
452 	    {
453 	      case TLS_MODEL_GLOBAL_DYNAMIC:
454 		fputs (" tls-global-dynamic", file);
455 		break;
456 	      case TLS_MODEL_LOCAL_DYNAMIC:
457 		fputs (" tls-local-dynamic", file);
458 		break;
459 	      case TLS_MODEL_INITIAL_EXEC:
460 		fputs (" tls-initial-exec", file);
461 		break;
462 	      case TLS_MODEL_LOCAL_EXEC:
463 		fputs (" tls-local-exec", file);
464 		break;
465 	      default:
466 		gcc_unreachable ();
467 	    }
468 	}
469 
470       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
471 	{
472 	  if (DECL_VIRTUAL_P (node))
473 	    fputs (" virtual", file);
474 	  if (DECL_PRESERVE_P (node))
475 	    fputs (" preserve", file);
476 	  if (DECL_LANG_FLAG_0 (node))
477 	    fputs (" decl_0", file);
478 	  if (DECL_LANG_FLAG_1 (node))
479 	    fputs (" decl_1", file);
480 	  if (DECL_LANG_FLAG_2 (node))
481 	    fputs (" decl_2", file);
482 	  if (DECL_LANG_FLAG_3 (node))
483 	    fputs (" decl_3", file);
484 	  if (DECL_LANG_FLAG_4 (node))
485 	    fputs (" decl_4", file);
486 	  if (DECL_LANG_FLAG_5 (node))
487 	    fputs (" decl_5", file);
488 	  if (DECL_LANG_FLAG_6 (node))
489 	    fputs (" decl_6", file);
490 	  if (DECL_LANG_FLAG_7 (node))
491 	    fputs (" decl_7", file);
492 
493 	  mode = DECL_MODE (node);
494 	  fprintf (file, " %s", GET_MODE_NAME (mode));
495 	}
496 
497       if ((code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL)
498 	  && DECL_BY_REFERENCE (node))
499 	fputs (" passed-by-reference", file);
500 
501       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)  && DECL_DEFER_OUTPUT (node))
502 	fputs (" defer-output", file);
503 
504 
505       xloc = expand_location (DECL_SOURCE_LOCATION (node));
506       fprintf (file, " file %s line %d col %d", xloc.file, xloc.line,
507 	       xloc.column);
508 
509       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
510 	{
511 	  print_node (file, "size", DECL_SIZE (node), indent + 4);
512 	  print_node (file, "unit size", DECL_SIZE_UNIT (node), indent + 4);
513 
514 	  if (code != FUNCTION_DECL || DECL_BUILT_IN (node))
515 	    indent_to (file, indent + 3);
516 
517 	  if (DECL_USER_ALIGN (node))
518 	    fprintf (file, " user");
519 
520 	  fprintf (file, " align %d", DECL_ALIGN (node));
521 	  if (code == FIELD_DECL)
522 	    fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
523 		     DECL_OFFSET_ALIGN (node));
524 
525 	  if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
526 	    {
527 	      if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
528 		fprintf (file, " built-in BUILT_IN_MD %d", DECL_FUNCTION_CODE (node));
529 	      else
530 		fprintf (file, " built-in %s:%s",
531 			 built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
532 			 built_in_names[(int) DECL_FUNCTION_CODE (node)]);
533 	    }
534 	}
535       if (code == FIELD_DECL)
536 	{
537 	  print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
538 	  print_node (file, "bit offset", DECL_FIELD_BIT_OFFSET (node),
539 		      indent + 4);
540 	  if (DECL_BIT_FIELD_TYPE (node))
541 	    print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
542 			indent + 4);
543 	}
544 
545       print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
546 
547       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
548 	{
549 	  print_node_brief (file, "attributes",
550 			    DECL_ATTRIBUTES (node), indent + 4);
551 	  if (code != PARM_DECL)
552 	    print_node_brief (file, "initial", DECL_INITIAL (node),
553 			      indent + 4);
554 	}
555       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
556 	{
557 	  print_node_brief (file, "abstract_origin",
558 			    DECL_ABSTRACT_ORIGIN (node), indent + 4);
559 	}
560       if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
561 	{
562 	  print_node (file, "arguments", DECL_ARGUMENT_FLD (node), indent + 4);
563 	  print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
564 	}
565 
566       lang_hooks.print_decl (file, node, indent);
567 
568       if (DECL_RTL_SET_P (node))
569 	{
570 	  indent_to (file, indent + 4);
571 	  print_rtl (file, DECL_RTL (node));
572 	}
573 
574       if (code == PARM_DECL)
575 	{
576 	  print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
577 
578 	  if (DECL_INCOMING_RTL (node) != 0)
579 	    {
580 	      indent_to (file, indent + 4);
581 	      fprintf (file, "incoming-rtl ");
582 	      print_rtl (file, DECL_INCOMING_RTL (node));
583 	    }
584 	}
585       else if (code == FUNCTION_DECL
586 	       && DECL_STRUCT_FUNCTION (node) != 0)
587 	{
588 	  indent_to (file, indent + 4);
589 	  dump_addr (file, "struct-function ", DECL_STRUCT_FUNCTION (node));
590 	}
591 
592       if ((code == VAR_DECL || code == PARM_DECL)
593 	  && DECL_HAS_VALUE_EXPR_P (node))
594 	print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
595 
596       /* Print the decl chain only if decl is at second level.  */
597       if (indent == 4)
598 	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
599       else
600 	print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
601       break;
602 
603     case tcc_type:
604       if (TYPE_UNSIGNED (node))
605 	fputs (" unsigned", file);
606 
607       /* The no-force-blk flag is used for different things in
608 	 different types.  */
609       if ((code == RECORD_TYPE
610 	   || code == UNION_TYPE
611 	   || code == QUAL_UNION_TYPE)
612 	  && TYPE_NO_FORCE_BLK (node))
613 	fputs (" no-force-blk", file);
614       else if (code == INTEGER_TYPE
615 	       && TYPE_IS_SIZETYPE (node))
616 	fputs (" sizetype", file);
617 
618       if (TYPE_STRING_FLAG (node))
619 	fputs (" string-flag", file);
620       if (TYPE_NEEDS_CONSTRUCTING (node))
621 	fputs (" needs-constructing", file);
622 
623       /* The transparent-union flag is used for different things in
624 	 different nodes.  */
625       if ((code == UNION_TYPE || code == RECORD_TYPE)
626 	  && TYPE_TRANSPARENT_AGGR (node))
627 	fputs (" transparent-aggr", file);
628       else if (code == ARRAY_TYPE
629 	       && TYPE_NONALIASED_COMPONENT (node))
630 	fputs (" nonaliased-component", file);
631 
632       if (TYPE_PACKED (node))
633 	fputs (" packed", file);
634 
635       if (TYPE_RESTRICT (node))
636 	fputs (" restrict", file);
637 
638       if (TYPE_LANG_FLAG_0 (node))
639 	fputs (" type_0", file);
640       if (TYPE_LANG_FLAG_1 (node))
641 	fputs (" type_1", file);
642       if (TYPE_LANG_FLAG_2 (node))
643 	fputs (" type_2", file);
644       if (TYPE_LANG_FLAG_3 (node))
645 	fputs (" type_3", file);
646       if (TYPE_LANG_FLAG_4 (node))
647 	fputs (" type_4", file);
648       if (TYPE_LANG_FLAG_5 (node))
649 	fputs (" type_5", file);
650       if (TYPE_LANG_FLAG_6 (node))
651 	fputs (" type_6", file);
652 
653       mode = TYPE_MODE (node);
654       fprintf (file, " %s", GET_MODE_NAME (mode));
655 
656       print_node (file, "size", TYPE_SIZE (node), indent + 4);
657       print_node (file, "unit size", TYPE_SIZE_UNIT (node), indent + 4);
658       indent_to (file, indent + 3);
659 
660       if (TYPE_USER_ALIGN (node))
661 	fprintf (file, " user");
662 
663       fprintf (file, " align %d symtab %d alias set " HOST_WIDE_INT_PRINT_DEC,
664 	       TYPE_ALIGN (node), TYPE_SYMTAB_ADDRESS (node),
665 	       (HOST_WIDE_INT) TYPE_ALIAS_SET (node));
666 
667       if (TYPE_STRUCTURAL_EQUALITY_P (node))
668 	fprintf (file, " structural equality");
669       else
670 	dump_addr (file, " canonical type ", TYPE_CANONICAL (node));
671 
672       print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
673 
674       if (INTEGRAL_TYPE_P (node) || code == REAL_TYPE
675 	  || code == FIXED_POINT_TYPE)
676 	{
677 	  fprintf (file, " precision %d", TYPE_PRECISION (node));
678 	  print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
679 	  print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
680 	}
681 
682       if (code == ENUMERAL_TYPE)
683 	print_node (file, "values", TYPE_VALUES (node), indent + 4);
684       else if (code == ARRAY_TYPE)
685 	print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
686       else if (code == VECTOR_TYPE)
687 	fprintf (file, " nunits %d", (int) TYPE_VECTOR_SUBPARTS (node));
688       else if (code == RECORD_TYPE
689 	       || code == UNION_TYPE
690 	       || code == QUAL_UNION_TYPE)
691 	print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
692       else if (code == FUNCTION_TYPE
693 	       || code == METHOD_TYPE)
694 	{
695 	  if (TYPE_METHOD_BASETYPE (node))
696 	    print_node_brief (file, "method basetype",
697 			      TYPE_METHOD_BASETYPE (node), indent + 4);
698 	  print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
699 	}
700       else if (code == OFFSET_TYPE)
701 	print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
702 			  indent + 4);
703 
704       if (TYPE_CONTEXT (node))
705 	print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
706 
707       lang_hooks.print_type (file, node, indent);
708 
709       if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
710 	indent_to (file, indent + 3);
711 
712       print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
713 			indent + 4);
714       print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
715 			indent + 4);
716       print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
717       break;
718 
719     case tcc_expression:
720     case tcc_comparison:
721     case tcc_unary:
722     case tcc_binary:
723     case tcc_reference:
724     case tcc_statement:
725     case tcc_vl_exp:
726       if (code == BIND_EXPR)
727 	{
728 	  print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
729 	  print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
730 	  print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
731 	  break;
732 	}
733       if (code == CALL_EXPR)
734 	{
735 	  call_expr_arg_iterator iter;
736 	  tree arg;
737 	  print_node (file, "fn", CALL_EXPR_FN (node), indent + 4);
738 	  print_node (file, "static_chain", CALL_EXPR_STATIC_CHAIN (node),
739 		      indent + 4);
740 	  i = 0;
741 	  FOR_EACH_CALL_EXPR_ARG (arg, iter, node)
742 	    {
743 	      char temp[10];
744 	      sprintf (temp, "arg %d", i);
745 	      print_node (file, temp, arg, indent + 4);
746 	      i++;
747 	    }
748 	}
749       else
750 	{
751 	  len = TREE_OPERAND_LENGTH (node);
752 
753 	  for (i = 0; i < len; i++)
754 	    {
755 	      char temp[10];
756 
757 	      sprintf (temp, "arg %d", i);
758 	      print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
759 	    }
760 	}
761       if (CODE_CONTAINS_STRUCT (code, TS_COMMON))
762 	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
763       break;
764 
765     case tcc_constant:
766     case tcc_exceptional:
767       switch (code)
768 	{
769 	case INTEGER_CST:
770 	  if (TREE_OVERFLOW (node))
771 	    fprintf (file, " overflow");
772 
773 	  fprintf (file, " ");
774 	  if (TREE_INT_CST_HIGH (node) == 0)
775 	    fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
776 		     TREE_INT_CST_LOW (node));
777 	  else if (TREE_INT_CST_HIGH (node) == -1
778 		   && TREE_INT_CST_LOW (node) != 0)
779 	    fprintf (file, "-" HOST_WIDE_INT_PRINT_UNSIGNED,
780 		     -TREE_INT_CST_LOW (node));
781 	  else
782 	    fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
783 		     (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (node),
784 		     (unsigned HOST_WIDE_INT) TREE_INT_CST_LOW (node));
785 	  break;
786 
787 	case REAL_CST:
788 	  {
789 	    REAL_VALUE_TYPE d;
790 
791 	    if (TREE_OVERFLOW (node))
792 	      fprintf (file, " overflow");
793 
794 	    d = TREE_REAL_CST (node);
795 	    if (REAL_VALUE_ISINF (d))
796 	      fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
797 	    else if (REAL_VALUE_ISNAN (d))
798 	      fprintf (file, " Nan");
799 	    else
800 	      {
801 		char string[64];
802 		real_to_decimal (string, &d, sizeof (string), 0, 1);
803 		fprintf (file, " %s", string);
804 	      }
805 	  }
806 	  break;
807 
808 	case FIXED_CST:
809 	  {
810 	    FIXED_VALUE_TYPE f;
811 	    char string[64];
812 
813 	    if (TREE_OVERFLOW (node))
814 	      fprintf (file, " overflow");
815 
816 	    f = TREE_FIXED_CST (node);
817 	    fixed_to_decimal (string, &f, sizeof (string));
818 	    fprintf (file, " %s", string);
819 	  }
820 	  break;
821 
822 	case VECTOR_CST:
823 	  {
824 	    tree vals = TREE_VECTOR_CST_ELTS (node);
825 	    char buf[10];
826 	    tree link;
827 	    int i;
828 
829 	    i = 0;
830 	    for (link = vals; link; link = TREE_CHAIN (link), ++i)
831 	      {
832 		sprintf (buf, "elt%d: ", i);
833 		print_node (file, buf, TREE_VALUE (link), indent + 4);
834 	      }
835 	  }
836 	  break;
837 
838 	case COMPLEX_CST:
839 	  print_node (file, "real", TREE_REALPART (node), indent + 4);
840 	  print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
841 	  break;
842 
843 	case STRING_CST:
844 	  {
845 	    const char *p = TREE_STRING_POINTER (node);
846 	    int i = TREE_STRING_LENGTH (node);
847 	    fputs (" \"", file);
848 	    while (--i >= 0)
849 	      {
850 		char ch = *p++;
851 		if (ch >= ' ' && ch < 127)
852 		  putc (ch, file);
853 		else
854 		  fprintf(file, "\\%03o", ch & 0xFF);
855 	      }
856 	    fputc ('\"', file);
857 	  }
858 	  break;
859 
860 	case IDENTIFIER_NODE:
861 	  lang_hooks.print_identifier (file, node, indent);
862 	  break;
863 
864 	case TREE_LIST:
865 	  print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
866 	  print_node (file, "value", TREE_VALUE (node), indent + 4);
867 	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
868 	  break;
869 
870 	case TREE_VEC:
871 	  len = TREE_VEC_LENGTH (node);
872 	  for (i = 0; i < len; i++)
873 	    if (TREE_VEC_ELT (node, i))
874 	      {
875 		char temp[10];
876 		sprintf (temp, "elt %d", i);
877 		print_node (file, temp, TREE_VEC_ELT (node, i), indent + 4);
878 	      }
879 	  break;
880 
881 	case CONSTRUCTOR:
882 	  {
883 	    unsigned HOST_WIDE_INT cnt;
884 	    tree index, value;
885 	    len = VEC_length (constructor_elt, CONSTRUCTOR_ELTS (node));
886 	    fprintf (file, " lngt %d", len);
887 	    FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (node),
888 				      cnt, index, value)
889 	      {
890 		print_node (file, "idx", index, indent + 4);
891 		print_node (file, "val", value, indent + 4);
892 	      }
893 	  }
894 	  break;
895 
896     	case STATEMENT_LIST:
897 	  dump_addr (file, " head ", node->stmt_list.head);
898 	  dump_addr (file, " tail ", node->stmt_list.tail);
899 	  fprintf (file, " stmts");
900 	  {
901 	    tree_stmt_iterator i;
902 	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
903 	      {
904 		/* Not printing the addresses of the (not-a-tree)
905 		   'struct tree_stmt_list_node's.  */
906 		dump_addr (file, " ", tsi_stmt (i));
907 	      }
908 	    fprintf (file, "\n");
909 	    for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
910 	      {
911 		/* Not printing the addresses of the (not-a-tree)
912 		   'struct tree_stmt_list_node's.  */
913 		print_node (file, "stmt", tsi_stmt (i), indent + 4);
914 	      }
915 	  }
916 	  break;
917 
918 	case BLOCK:
919 	  print_node (file, "vars", BLOCK_VARS (node), indent + 4);
920 	  print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node),
921 		      indent + 4);
922 	  print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
923 	  print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
924 	  print_node (file, "abstract_origin",
925 		      BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
926 	  break;
927 
928 	case SSA_NAME:
929 	  print_node_brief (file, "var", SSA_NAME_VAR (node), indent + 4);
930 	  fprintf (file, "def_stmt ");
931 	  print_gimple_stmt (file, SSA_NAME_DEF_STMT (node), indent + 4, 0);
932 
933 	  indent_to (file, indent + 4);
934 	  fprintf (file, "version %u", SSA_NAME_VERSION (node));
935 	  if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node))
936 	    fprintf (file, " in-abnormal-phi");
937 	  if (SSA_NAME_IN_FREE_LIST (node))
938 	    fprintf (file, " in-free-list");
939 
940 	  if (SSA_NAME_PTR_INFO (node))
941 	    {
942 	      indent_to (file, indent + 3);
943 	      if (SSA_NAME_PTR_INFO (node))
944 		dump_addr (file, " ptr-info ", SSA_NAME_PTR_INFO (node));
945 	    }
946 	  break;
947 
948 	case OMP_CLAUSE:
949 	    {
950 	      int i;
951 	      fprintf (file, " %s",
952 		       omp_clause_code_name[OMP_CLAUSE_CODE (node)]);
953 	      for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (node)]; i++)
954 		{
955 		  indent_to (file, indent + 4);
956 		  fprintf (file, "op %d:", i);
957 		  print_node_brief (file, "", OMP_CLAUSE_OPERAND (node, i), 0);
958 		}
959 	    }
960 	  break;
961 
962 	case OPTIMIZATION_NODE:
963 	  cl_optimization_print (file, indent + 4, TREE_OPTIMIZATION (node));
964 	  break;
965 
966 	case TARGET_OPTION_NODE:
967 	  cl_target_option_print (file, indent + 4, TREE_TARGET_OPTION (node));
968 	  break;
969 	case IMPORTED_DECL:
970 	  fprintf (file, " imported declaration");
971 	  print_node_brief (file, "associated declaration",
972 			    IMPORTED_DECL_ASSOCIATED_DECL (node),
973 			    indent + 4);
974 	  break;
975 
976 	default:
977 	  if (EXCEPTIONAL_CLASS_P (node))
978 	    lang_hooks.print_xnode (file, node, indent);
979 	  break;
980 	}
981 
982       break;
983     }
984 
985   if (EXPR_HAS_LOCATION (node))
986     {
987       expanded_location xloc = expand_location (EXPR_LOCATION (node));
988       indent_to (file, indent+4);
989       fprintf (file, "%s:%d:%d", xloc.file, xloc.line, xloc.column);
990     }
991 
992   fprintf (file, ">");
993 }
994 
995 /* Print the tree vector VEC in full on file FILE, preceded by PREFIX,
996    starting in column INDENT.  */
997 
998 void
print_vec_tree(FILE * file,const char * prefix,VEC (tree,gc)* vec,int indent)999 print_vec_tree (FILE *file, const char *prefix, VEC(tree,gc) *vec, int indent)
1000 {
1001   tree elt;
1002   unsigned ix;
1003 
1004   /* Indent to the specified column, since this is the long form.  */
1005   indent_to (file, indent);
1006 
1007   /* Print the slot this node is in, and its code, and address.  */
1008   fprintf (file, "%s <VEC", prefix);
1009   dump_addr (file, " ", vec);
1010 
1011   FOR_EACH_VEC_ELT (tree, vec, ix, elt)
1012     {
1013       char temp[10];
1014       sprintf (temp, "elt %d", ix);
1015       print_node (file, temp, elt, indent + 4);
1016     }
1017 }
1018