xref: /dragonfly/contrib/gcc-8.0/gcc/print-tree.c (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1 /* Prints out tree in human readable form - GCC
2    Copyright (C) 1990-2018 Free Software Foundation, Inc.
3 
4 This file is part of GCC.
5 
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10 
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3.  If not see
18 <http://www.gnu.org/licenses/>.  */
19 
20 
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "tm.h"
25 #include "tree.h"
26 #include "cgraph.h"
27 #include "diagnostic.h"
28 #include "varasm.h"
29 #include "print-rtl.h"
30 #include "stor-layout.h"
31 #include "langhooks.h"
32 #include "tree-iterator.h"
33 #include "gimple-pretty-print.h" /* FIXME */
34 #include "tree-cfg.h"
35 #include "dumpfile.h"
36 #include "print-tree.h"
37 
38 /* Define the hash table of nodes already seen.
39    Such nodes are not repeated; brief cross-references are used.  */
40 
41 #define HASH_SIZE 37
42 
43 static hash_set<tree> *table = NULL;
44 
45 /* Print PREFIX and ADDR to FILE.  */
46 void
dump_addr(FILE * file,const char * prefix,const void * addr)47 dump_addr (FILE *file, const char *prefix, const void *addr)
48 {
49   if (flag_dump_noaddr || flag_dump_unnumbered)
50     fprintf (file, "%s#", prefix);
51   else
52     fprintf (file, "%s" HOST_PTR_PRINTF, prefix, addr);
53 }
54 
55 /* Print a node in brief fashion, with just the code, address and name.  */
56 
57 void
print_node_brief(FILE * file,const char * prefix,const_tree node,int indent)58 print_node_brief (FILE *file, const char *prefix, const_tree node, int indent)
59 {
60   enum tree_code_class tclass;
61 
62   if (node == 0)
63     return;
64 
65   tclass = TREE_CODE_CLASS (TREE_CODE (node));
66 
67   /* Always print the slot this node is in, and its code, address and
68      name if any.  */
69   if (indent > 0)
70     fprintf (file, " ");
71   fprintf (file, "%s <%s", prefix, get_tree_code_name (TREE_CODE (node)));
72   dump_addr (file, " ", node);
73 
74   if (tclass == tcc_declaration)
75     {
76       if (DECL_NAME (node))
77           fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
78       else if (TREE_CODE (node) == LABEL_DECL
79                  && LABEL_DECL_UID (node) != -1)
80           {
81             if (dump_flags & TDF_NOUID)
82               fprintf (file, " L.xxxx");
83             else
84               fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
85           }
86       else
87           {
88             if (dump_flags & TDF_NOUID)
89               fprintf (file, " %c.xxxx",
90                          TREE_CODE (node) == CONST_DECL ? 'C' : 'D');
91             else
92               fprintf (file, " %c.%u",
93                          TREE_CODE (node) == CONST_DECL ? 'C' : 'D',
94                          DECL_UID (node));
95           }
96     }
97   else if (tclass == tcc_type)
98     {
99       if (TYPE_NAME (node))
100           {
101             if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
102               fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
103             else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
104                        && DECL_NAME (TYPE_NAME (node)))
105               fprintf (file, " %s",
106                          IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
107           }
108       if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
109           fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
110     }
111   if (TREE_CODE (node) == IDENTIFIER_NODE)
112     fprintf (file, " %s", IDENTIFIER_POINTER (node));
113 
114   /* We might as well always print the value of an integer or real.  */
115   if (TREE_CODE (node) == INTEGER_CST)
116     {
117       if (TREE_OVERFLOW (node))
118           fprintf (file, " overflow");
119 
120       fprintf (file, " ");
121       print_dec (wi::to_wide (node), file, TYPE_SIGN (TREE_TYPE (node)));
122     }
123   if (TREE_CODE (node) == REAL_CST)
124     {
125       REAL_VALUE_TYPE d;
126 
127       if (TREE_OVERFLOW (node))
128           fprintf (file, " overflow");
129 
130       d = TREE_REAL_CST (node);
131       if (REAL_VALUE_ISINF (d))
132           fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
133       else if (REAL_VALUE_ISNAN (d))
134           fprintf (file, " Nan");
135       else
136           {
137             char string[60];
138             real_to_decimal (string, &d, sizeof (string), 0, 1);
139             fprintf (file, " %s", string);
140           }
141     }
142   if (TREE_CODE (node) == FIXED_CST)
143     {
144       FIXED_VALUE_TYPE f;
145       char string[60];
146 
147       if (TREE_OVERFLOW (node))
148           fprintf (file, " overflow");
149 
150       f = TREE_FIXED_CST (node);
151       fixed_to_decimal (string, &f, sizeof (string));
152       fprintf (file, " %s", string);
153     }
154 
155   fprintf (file, ">");
156 }
157 
158 void
indent_to(FILE * file,int column)159 indent_to (FILE *file, int column)
160 {
161   int i;
162 
163   /* Since this is the long way, indent to desired column.  */
164   if (column > 0)
165     fprintf (file, "\n");
166   for (i = 0; i < column; i++)
167     fprintf (file, " ");
168 }
169 
170 /* Print the node NODE in full on file FILE, preceded by PREFIX,
171    starting in column INDENT.  */
172 
173 void
print_node(FILE * file,const char * prefix,tree node,int indent,bool brief_for_visited)174 print_node (FILE *file, const char *prefix, tree node, int indent,
175               bool brief_for_visited)
176 {
177   machine_mode mode;
178   enum tree_code_class tclass;
179   int len;
180   int i;
181   expanded_location xloc;
182   enum tree_code code;
183 
184   if (node == 0)
185     return;
186 
187   code = TREE_CODE (node);
188   tclass = TREE_CODE_CLASS (code);
189 
190   /* Don't get too deep in nesting.  If the user wants to see deeper,
191      it is easy to use the address of a lowest-level node
192      as an argument in another call to debug_tree.  */
193 
194   if (indent > 24)
195     {
196       print_node_brief (file, prefix, node, indent);
197       return;
198     }
199 
200   if (indent > 8 && (tclass == tcc_type || tclass == tcc_declaration))
201     {
202       print_node_brief (file, prefix, node, indent);
203       return;
204     }
205 
206   /* It is unsafe to look at any other fields of an ERROR_MARK node.  */
207   if (code == ERROR_MARK)
208     {
209       print_node_brief (file, prefix, node, indent);
210       return;
211     }
212 
213   /* Allow this function to be called if the table is not there.  */
214   if (table)
215     {
216       /* If node is in the table, just mention its address.  */
217       if (table->contains (node) && brief_for_visited)
218           {
219             print_node_brief (file, prefix, node, indent);
220             return;
221           }
222 
223       table->add (node);
224     }
225 
226   /* Indent to the specified column, since this is the long form.  */
227   indent_to (file, indent);
228 
229   /* Print the slot this node is in, and its code, and address.  */
230   fprintf (file, "%s <%s", prefix, get_tree_code_name (code));
231   dump_addr (file, " ", node);
232 
233   /* Print the name, if any.  */
234   if (tclass == tcc_declaration)
235     {
236       if (DECL_NAME (node))
237           fprintf (file, " %s", IDENTIFIER_POINTER (DECL_NAME (node)));
238       else if (code == LABEL_DECL
239                  && LABEL_DECL_UID (node) != -1)
240           {
241             if (dump_flags & TDF_NOUID)
242               fprintf (file, " L.xxxx");
243             else
244               fprintf (file, " L.%d", (int) LABEL_DECL_UID (node));
245           }
246       else
247           {
248             if (dump_flags & TDF_NOUID)
249               fprintf (file, " %c.xxxx", code == CONST_DECL ? 'C' : 'D');
250             else
251               fprintf (file, " %c.%u", code == CONST_DECL ? 'C' : 'D',
252                          DECL_UID (node));
253           }
254     }
255   else if (tclass == tcc_type)
256     {
257       if (TYPE_NAME (node))
258           {
259             if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
260               fprintf (file, " %s", IDENTIFIER_POINTER (TYPE_NAME (node)));
261             else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
262                        && DECL_NAME (TYPE_NAME (node)))
263               fprintf (file, " %s",
264                          IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node))));
265           }
266     }
267   if (code == IDENTIFIER_NODE)
268     fprintf (file, " %s", IDENTIFIER_POINTER (node));
269 
270   if (code == INTEGER_CST)
271     {
272       if (indent <= 4)
273           print_node_brief (file, "type", TREE_TYPE (node), indent + 4);
274     }
275   else if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
276     {
277       print_node (file, "type", TREE_TYPE (node), indent + 4);
278       if (TREE_TYPE (node))
279           indent_to (file, indent + 3);
280     }
281 
282   if (!TYPE_P (node) && TREE_SIDE_EFFECTS (node))
283     fputs (" side-effects", file);
284 
285   if (TYPE_P (node) ? TYPE_READONLY (node) : TREE_READONLY (node))
286     fputs (" readonly", file);
287   if (TYPE_P (node) && TYPE_ATOMIC (node))
288     fputs (" atomic", file);
289   if (!TYPE_P (node) && TREE_CONSTANT (node))
290     fputs (" constant", file);
291   else if (TYPE_P (node) && TYPE_SIZES_GIMPLIFIED (node))
292     fputs (" sizes-gimplified", file);
293 
294   if (TYPE_P (node) && !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (node)))
295     fprintf (file, " address-space-%d", TYPE_ADDR_SPACE (node));
296 
297   if (TREE_ADDRESSABLE (node))
298     fputs (" addressable", file);
299   if (TREE_THIS_VOLATILE (node))
300     fputs (" volatile", file);
301   if (TREE_ASM_WRITTEN (node))
302     fputs (" asm_written", file);
303   if (TREE_USED (node))
304     fputs (" used", file);
305   if (TREE_NOTHROW (node))
306     fputs (" nothrow", file);
307   if (TREE_PUBLIC (node))
308     fputs (" public", file);
309   if (TREE_PRIVATE (node))
310     fputs (" private", file);
311   if (TREE_PROTECTED (node))
312     fputs (" protected", file);
313   if (TREE_STATIC (node))
314     fputs (code == CALL_EXPR ? " must-tail-call" : " static", file);
315   if (TREE_DEPRECATED (node))
316     fputs (" deprecated", file);
317   if (TREE_VISITED (node))
318     fputs (" visited", file);
319 
320   if (code != TREE_VEC && code != INTEGER_CST && code != SSA_NAME)
321     {
322       if (TREE_LANG_FLAG_0 (node))
323           fputs (" tree_0", file);
324       if (TREE_LANG_FLAG_1 (node))
325           fputs (" tree_1", file);
326       if (TREE_LANG_FLAG_2 (node))
327           fputs (" tree_2", file);
328       if (TREE_LANG_FLAG_3 (node))
329           fputs (" tree_3", file);
330       if (TREE_LANG_FLAG_4 (node))
331           fputs (" tree_4", file);
332       if (TREE_LANG_FLAG_5 (node))
333           fputs (" tree_5", file);
334       if (TREE_LANG_FLAG_6 (node))
335           fputs (" tree_6", file);
336     }
337 
338   /* DECL_ nodes have additional attributes.  */
339 
340   switch (TREE_CODE_CLASS (code))
341     {
342     case tcc_declaration:
343       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
344           {
345             if (DECL_UNSIGNED (node))
346               fputs (" unsigned", file);
347             if (DECL_IGNORED_P (node))
348               fputs (" ignored", file);
349             if (DECL_ABSTRACT_P (node))
350               fputs (" abstract", file);
351             if (DECL_EXTERNAL (node))
352               fputs (" external", file);
353             if (DECL_NONLOCAL (node))
354               fputs (" nonlocal", file);
355           }
356       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
357           {
358             if (DECL_WEAK (node))
359               fputs (" weak", file);
360             if (DECL_IN_SYSTEM_HEADER (node))
361               fputs (" in_system_header", file);
362           }
363       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL)
364             && code != LABEL_DECL
365             && code != FUNCTION_DECL
366             && DECL_REGISTER (node))
367           fputs (" regdecl", file);
368 
369       if (code == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
370           fputs (" suppress-debug", file);
371 
372       if (code == FUNCTION_DECL
373             && DECL_FUNCTION_SPECIFIC_TARGET (node))
374           fputs (" function-specific-target", file);
375       if (code == FUNCTION_DECL
376             && DECL_FUNCTION_SPECIFIC_OPTIMIZATION (node))
377           fputs (" function-specific-opt", file);
378       if (code == FUNCTION_DECL && DECL_DECLARED_INLINE_P (node))
379           fputs (" autoinline", file);
380       if (code == FUNCTION_DECL && DECL_UNINLINABLE (node))
381           fputs (" uninlinable", file);
382       if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
383           fputs (" built-in", file);
384       if (code == FUNCTION_DECL && DECL_STATIC_CHAIN (node))
385           fputs (" static-chain", file);
386       if (TREE_CODE (node) == FUNCTION_DECL && decl_is_tm_clone (node))
387           fputs (" tm-clone", file);
388 
389       if (code == FIELD_DECL && DECL_PACKED (node))
390           fputs (" packed", file);
391       if (code == FIELD_DECL && DECL_BIT_FIELD (node))
392           fputs (" bit-field", file);
393       if (code == FIELD_DECL && DECL_NONADDRESSABLE_P (node))
394           fputs (" nonaddressable", file);
395 
396       if (code == LABEL_DECL && EH_LANDING_PAD_NR (node))
397           fprintf (file, " landing-pad:%d", EH_LANDING_PAD_NR (node));
398 
399       if (code == VAR_DECL && DECL_IN_TEXT_SECTION (node))
400           fputs (" in-text-section", file);
401       if (code == VAR_DECL && DECL_IN_CONSTANT_POOL (node))
402           fputs (" in-constant-pool", file);
403       if (code == VAR_DECL && DECL_COMMON (node))
404           fputs (" common", file);
405       if ((code == VAR_DECL || code == PARM_DECL) && DECL_READ_P (node))
406           fputs (" read", file);
407       if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
408           {
409             fputs (" ", file);
410             fputs (tls_model_names[DECL_TLS_MODEL (node)], file);
411           }
412 
413       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
414           {
415             if (DECL_VIRTUAL_P (node))
416               fputs (" virtual", file);
417             if (DECL_PRESERVE_P (node))
418               fputs (" preserve", file);
419             if (DECL_LANG_FLAG_0 (node))
420               fputs (" decl_0", file);
421             if (DECL_LANG_FLAG_1 (node))
422               fputs (" decl_1", file);
423             if (DECL_LANG_FLAG_2 (node))
424               fputs (" decl_2", file);
425             if (DECL_LANG_FLAG_3 (node))
426               fputs (" decl_3", file);
427             if (DECL_LANG_FLAG_4 (node))
428               fputs (" decl_4", file);
429             if (DECL_LANG_FLAG_5 (node))
430               fputs (" decl_5", file);
431             if (DECL_LANG_FLAG_6 (node))
432               fputs (" decl_6", file);
433             if (DECL_LANG_FLAG_7 (node))
434               fputs (" decl_7", file);
435 
436             mode = DECL_MODE (node);
437             fprintf (file, " %s", GET_MODE_NAME (mode));
438           }
439 
440       if ((code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL)
441             && DECL_BY_REFERENCE (node))
442           fputs (" passed-by-reference", file);
443 
444       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS)  && DECL_DEFER_OUTPUT (node))
445           fputs (" defer-output", file);
446 
447 
448       xloc = expand_location (DECL_SOURCE_LOCATION (node));
449       fprintf (file, " %s:%d:%d", xloc.file, xloc.line,
450                  xloc.column);
451 
452       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
453           {
454             print_node (file, "size", DECL_SIZE (node), indent + 4);
455             print_node (file, "unit-size", DECL_SIZE_UNIT (node), indent + 4);
456 
457             if (code != FUNCTION_DECL || DECL_BUILT_IN (node))
458               indent_to (file, indent + 3);
459 
460             if (DECL_USER_ALIGN (node))
461               fprintf (file, " user");
462 
463             fprintf (file, " align:%d warn_if_not_align:%d",
464                        DECL_ALIGN (node), DECL_WARN_IF_NOT_ALIGN (node));
465             if (code == FIELD_DECL)
466               fprintf (file, " offset_align " HOST_WIDE_INT_PRINT_UNSIGNED,
467                          DECL_OFFSET_ALIGN (node));
468 
469             if (code == FUNCTION_DECL && DECL_BUILT_IN (node))
470               {
471                 if (DECL_BUILT_IN_CLASS (node) == BUILT_IN_MD)
472                     fprintf (file, " built-in: BUILT_IN_MD:%d", DECL_FUNCTION_CODE (node));
473                 else
474                     fprintf (file, " built-in: %s:%s",
475                                built_in_class_names[(int) DECL_BUILT_IN_CLASS (node)],
476                                built_in_names[(int) DECL_FUNCTION_CODE (node)]);
477               }
478           }
479       if (code == FIELD_DECL)
480           {
481             print_node (file, "offset", DECL_FIELD_OFFSET (node), indent + 4);
482             print_node (file, "bit-offset", DECL_FIELD_BIT_OFFSET (node),
483                           indent + 4);
484             if (DECL_BIT_FIELD_TYPE (node))
485               print_node (file, "bit_field_type", DECL_BIT_FIELD_TYPE (node),
486                               indent + 4);
487           }
488 
489       print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
490 
491       if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
492           {
493             print_node (file, "attributes",
494                                   DECL_ATTRIBUTES (node), indent + 4);
495             if (code != PARM_DECL)
496               print_node_brief (file, "initial", DECL_INITIAL (node),
497                                     indent + 4);
498           }
499       if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
500           {
501             print_node_brief (file, "abstract_origin",
502                                   DECL_ABSTRACT_ORIGIN (node), indent + 4);
503           }
504       if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
505           {
506             print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
507           }
508 
509       lang_hooks.print_decl (file, node, indent);
510 
511       if (DECL_RTL_SET_P (node))
512           {
513             indent_to (file, indent + 4);
514             print_rtl (file, DECL_RTL (node));
515           }
516 
517       if (code == PARM_DECL)
518           {
519             print_node (file, "arg-type", DECL_ARG_TYPE (node), indent + 4);
520 
521             if (DECL_INCOMING_RTL (node) != 0)
522               {
523                 indent_to (file, indent + 4);
524                 fprintf (file, "incoming-rtl ");
525                 print_rtl (file, DECL_INCOMING_RTL (node));
526               }
527           }
528       else if (code == FUNCTION_DECL
529                  && DECL_STRUCT_FUNCTION (node) != 0)
530           {
531             print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
532             indent_to (file, indent + 4);
533             dump_addr (file, "struct-function ", DECL_STRUCT_FUNCTION (node));
534           }
535 
536       if ((code == VAR_DECL || code == PARM_DECL)
537             && DECL_HAS_VALUE_EXPR_P (node))
538           print_node (file, "value-expr", DECL_VALUE_EXPR (node), indent + 4);
539 
540       /* Print the decl chain only if decl is at second level.  */
541       if (indent == 4)
542           print_node (file, "chain", TREE_CHAIN (node), indent + 4);
543       else
544           print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
545       break;
546 
547     case tcc_type:
548       if (TYPE_UNSIGNED (node))
549           fputs (" unsigned", file);
550 
551       if (TYPE_NO_FORCE_BLK (node))
552           fputs (" no-force-blk", file);
553 
554       if (TYPE_STRING_FLAG (node))
555           fputs (" string-flag", file);
556 
557       if (TYPE_NEEDS_CONSTRUCTING (node))
558           fputs (" needs-constructing", file);
559 
560       if ((code == RECORD_TYPE
561              || code == UNION_TYPE
562              || code == QUAL_UNION_TYPE
563              || code == ARRAY_TYPE)
564             && TYPE_REVERSE_STORAGE_ORDER (node))
565           fputs (" reverse-storage-order", file);
566 
567       /* The transparent-union flag is used for different things in
568            different nodes.  */
569       if ((code == UNION_TYPE || code == RECORD_TYPE)
570             && TYPE_TRANSPARENT_AGGR (node))
571           fputs (" transparent-aggr", file);
572       else if (code == ARRAY_TYPE
573                  && TYPE_NONALIASED_COMPONENT (node))
574           fputs (" nonaliased-component", file);
575 
576       if (TYPE_PACKED (node))
577           fputs (" packed", file);
578 
579       if (TYPE_RESTRICT (node))
580           fputs (" restrict", file);
581 
582       if (TYPE_LANG_FLAG_0 (node))
583           fputs (" type_0", file);
584       if (TYPE_LANG_FLAG_1 (node))
585           fputs (" type_1", file);
586       if (TYPE_LANG_FLAG_2 (node))
587           fputs (" type_2", file);
588       if (TYPE_LANG_FLAG_3 (node))
589           fputs (" type_3", file);
590       if (TYPE_LANG_FLAG_4 (node))
591           fputs (" type_4", file);
592       if (TYPE_LANG_FLAG_5 (node))
593           fputs (" type_5", file);
594       if (TYPE_LANG_FLAG_6 (node))
595           fputs (" type_6", file);
596       if (TYPE_LANG_FLAG_7 (node))
597           fputs (" type_7", file);
598 
599       mode = TYPE_MODE (node);
600       fprintf (file, " %s", GET_MODE_NAME (mode));
601 
602       print_node (file, "size", TYPE_SIZE (node), indent + 4);
603       print_node (file, "unit-size", TYPE_SIZE_UNIT (node), indent + 4);
604       indent_to (file, indent + 3);
605 
606       if (TYPE_USER_ALIGN (node))
607           fprintf (file, " user");
608 
609       fprintf (file, " align:%d warn_if_not_align:%d symtab:%d alias-set "
610                  HOST_WIDE_INT_PRINT_DEC,
611                  TYPE_ALIGN (node), TYPE_WARN_IF_NOT_ALIGN (node),
612                  TYPE_SYMTAB_ADDRESS (node),
613                  (HOST_WIDE_INT) TYPE_ALIAS_SET (node));
614 
615       if (TYPE_STRUCTURAL_EQUALITY_P (node))
616           fprintf (file, " structural-equality");
617       else
618           dump_addr (file, " canonical-type ", TYPE_CANONICAL (node));
619 
620       print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);
621 
622       if (INTEGRAL_TYPE_P (node) || code == REAL_TYPE
623             || code == FIXED_POINT_TYPE)
624           {
625             fprintf (file, " precision:%d", TYPE_PRECISION (node));
626             print_node_brief (file, "min", TYPE_MIN_VALUE (node), indent + 4);
627             print_node_brief (file, "max", TYPE_MAX_VALUE (node), indent + 4);
628           }
629 
630       if (code == ENUMERAL_TYPE)
631           print_node (file, "values", TYPE_VALUES (node), indent + 4);
632       else if (code == ARRAY_TYPE)
633           print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
634       else if (code == VECTOR_TYPE)
635           {
636             fprintf (file, " nunits:");
637             print_dec (TYPE_VECTOR_SUBPARTS (node), file);
638           }
639       else if (code == RECORD_TYPE
640                  || code == UNION_TYPE
641                  || code == QUAL_UNION_TYPE)
642           print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
643       else if (code == FUNCTION_TYPE
644                  || code == METHOD_TYPE)
645           {
646             if (TYPE_METHOD_BASETYPE (node))
647               print_node_brief (file, "method basetype",
648                                     TYPE_METHOD_BASETYPE (node), indent + 4);
649             print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
650           }
651       else if (code == OFFSET_TYPE)
652           print_node_brief (file, "basetype", TYPE_OFFSET_BASETYPE (node),
653                                 indent + 4);
654 
655       if (TYPE_CONTEXT (node))
656           print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);
657 
658       lang_hooks.print_type (file, node, indent);
659 
660       if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
661           indent_to (file, indent + 3);
662 
663       print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node),
664                               indent + 4);
665       print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node),
666                               indent + 4);
667       print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
668       break;
669 
670     case tcc_expression:
671     case tcc_comparison:
672     case tcc_unary:
673     case tcc_binary:
674     case tcc_reference:
675     case tcc_statement:
676     case tcc_vl_exp:
677       if (code == BIND_EXPR)
678           {
679             print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
680             print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
681             print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
682             break;
683           }
684       if (code == CALL_EXPR)
685           {
686             call_expr_arg_iterator iter;
687             tree arg;
688             print_node (file, "fn", CALL_EXPR_FN (node), indent + 4);
689             print_node (file, "static_chain", CALL_EXPR_STATIC_CHAIN (node),
690                           indent + 4);
691             i = 0;
692             FOR_EACH_CALL_EXPR_ARG (arg, iter, node)
693               {
694                 /* Buffer big enough to format a 32-bit UINT_MAX into, plus
695                      the text.  */
696                 char temp[15];
697                 sprintf (temp, "arg:%u", i);
698                 print_node (file, temp, arg, indent + 4);
699                 i++;
700               }
701           }
702       else
703           {
704             len = TREE_OPERAND_LENGTH (node);
705 
706             for (i = 0; i < len; i++)
707               {
708                 /* Buffer big enough to format a 32-bit UINT_MAX into, plus
709                      the text.  */
710                 char temp[15];
711 
712                 sprintf (temp, "arg:%d", i);
713                 print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
714               }
715           }
716       if (CODE_CONTAINS_STRUCT (code, TS_COMMON))
717           print_node (file, "chain", TREE_CHAIN (node), indent + 4);
718       break;
719 
720     case tcc_constant:
721     case tcc_exceptional:
722       switch (code)
723           {
724           case INTEGER_CST:
725             if (TREE_OVERFLOW (node))
726               fprintf (file, " overflow");
727 
728             fprintf (file, " ");
729             print_dec (wi::to_wide (node), file, TYPE_SIGN (TREE_TYPE (node)));
730             break;
731 
732           case REAL_CST:
733             {
734               REAL_VALUE_TYPE d;
735 
736               if (TREE_OVERFLOW (node))
737                 fprintf (file, " overflow");
738 
739               d = TREE_REAL_CST (node);
740               if (REAL_VALUE_ISINF (d))
741                 fprintf (file,  REAL_VALUE_NEGATIVE (d) ? " -Inf" : " Inf");
742               else if (REAL_VALUE_ISNAN (d))
743                 fprintf (file, " Nan");
744               else
745                 {
746                     char string[64];
747                     real_to_decimal (string, &d, sizeof (string), 0, 1);
748                     fprintf (file, " %s", string);
749                 }
750             }
751             break;
752 
753           case FIXED_CST:
754             {
755               FIXED_VALUE_TYPE f;
756               char string[64];
757 
758               if (TREE_OVERFLOW (node))
759                 fprintf (file, " overflow");
760 
761               f = TREE_FIXED_CST (node);
762               fixed_to_decimal (string, &f, sizeof (string));
763               fprintf (file, " %s", string);
764             }
765             break;
766 
767           case VECTOR_CST:
768             {
769               /* Big enough for UINT_MAX plus the string below.  */
770               char buf[32];
771 
772               fprintf (file, " npatterns:%u nelts-per-pattern:%u",
773                          VECTOR_CST_NPATTERNS (node),
774                          VECTOR_CST_NELTS_PER_PATTERN (node));
775               unsigned int count = vector_cst_encoded_nelts (node);
776               for (unsigned int i = 0; i < count; ++i)
777                 {
778                     sprintf (buf, "elt:%u: ", i);
779                     print_node (file, buf, VECTOR_CST_ENCODED_ELT (node, i),
780                                   indent + 4);
781                 }
782             }
783             break;
784 
785           case COMPLEX_CST:
786             print_node (file, "real", TREE_REALPART (node), indent + 4);
787             print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
788             break;
789 
790           case STRING_CST:
791             {
792               const char *p = TREE_STRING_POINTER (node);
793               int i = TREE_STRING_LENGTH (node);
794               fputs (" \"", file);
795               while (--i >= 0)
796                 {
797                     char ch = *p++;
798                     if (ch >= ' ' && ch < 127)
799                       putc (ch, file);
800                     else
801                       fprintf (file, "\\%03o", ch & 0xFF);
802                 }
803               fputc ('\"', file);
804             }
805             break;
806 
807           case POLY_INT_CST:
808             {
809               char buf[10];
810               for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
811                 {
812                     snprintf (buf, sizeof (buf), "elt%u: ", i);
813                     print_node (file, buf, POLY_INT_CST_COEFF (node, i),
814                                   indent + 4);
815                 }
816             }
817             break;
818 
819           case IDENTIFIER_NODE:
820             lang_hooks.print_identifier (file, node, indent);
821             break;
822 
823           case TREE_LIST:
824             print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
825             print_node (file, "value", TREE_VALUE (node), indent + 4);
826             print_node (file, "chain", TREE_CHAIN (node), indent + 4);
827             break;
828 
829           case TREE_VEC:
830             len = TREE_VEC_LENGTH (node);
831             fprintf (file, " length:%d", len);
832             for (i = 0; i < len; i++)
833               if (TREE_VEC_ELT (node, i))
834                 {
835                 /* Buffer big enough to format a 32-bit UINT_MAX into, plus
836                      the text.  */
837                     char temp[15];
838                     sprintf (temp, "elt:%d", i);
839                     print_node (file, temp, TREE_VEC_ELT (node, i), indent + 4);
840                 }
841             break;
842 
843           case CONSTRUCTOR:
844             {
845               unsigned HOST_WIDE_INT cnt;
846               tree index, value;
847               len = CONSTRUCTOR_NELTS (node);
848               fprintf (file, " length:%d", len);
849               FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (node),
850                                               cnt, index, value)
851                 {
852                     print_node (file, "idx", index, indent + 4, false);
853                     print_node (file, "val", value, indent + 4, false);
854                 }
855             }
856             break;
857 
858           case STATEMENT_LIST:
859             dump_addr (file, " head ", node->stmt_list.head);
860             dump_addr (file, " tail ", node->stmt_list.tail);
861             fprintf (file, " stmts");
862             {
863               tree_stmt_iterator i;
864               for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
865                 {
866                     /* Not printing the addresses of the (not-a-tree)
867                        'struct tree_stmt_list_node's.  */
868                     dump_addr (file, " ", tsi_stmt (i));
869                 }
870               fprintf (file, "\n");
871               for (i = tsi_start (node); !tsi_end_p (i); tsi_next (&i))
872                 {
873                     /* Not printing the addresses of the (not-a-tree)
874                        'struct tree_stmt_list_node's.  */
875                     print_node (file, "stmt", tsi_stmt (i), indent + 4);
876                 }
877             }
878             break;
879 
880           case BLOCK:
881             print_node (file, "vars", BLOCK_VARS (node), indent + 4);
882             print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node),
883                           indent + 4);
884             print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
885             print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
886             print_node (file, "abstract_origin",
887                           BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
888             break;
889 
890           case SSA_NAME:
891             print_node_brief (file, "var", SSA_NAME_VAR (node), indent + 4);
892             indent_to (file, indent + 4);
893             fprintf (file, "def_stmt ");
894             {
895               pretty_printer buffer;
896               buffer.buffer->stream = file;
897               pp_gimple_stmt_1 (&buffer, SSA_NAME_DEF_STMT (node), indent + 4, 0);
898               pp_flush (&buffer);
899             }
900 
901             indent_to (file, indent + 4);
902             fprintf (file, "version:%u", SSA_NAME_VERSION (node));
903             if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node))
904               fprintf (file, " in-abnormal-phi");
905             if (SSA_NAME_IN_FREE_LIST (node))
906               fprintf (file, " in-free-list");
907 
908             if (SSA_NAME_PTR_INFO (node))
909               {
910                 indent_to (file, indent + 3);
911                 if (SSA_NAME_PTR_INFO (node))
912                     dump_addr (file, " ptr-info ", SSA_NAME_PTR_INFO (node));
913               }
914             break;
915 
916           case OMP_CLAUSE:
917               {
918                 int i;
919                 fprintf (file, " %s",
920                            omp_clause_code_name[OMP_CLAUSE_CODE (node)]);
921                 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (node)]; i++)
922                     {
923                       indent_to (file, indent + 4);
924                       fprintf (file, "op-%d:", i);
925                       print_node_brief (file, "", OMP_CLAUSE_OPERAND (node, i), 0);
926                     }
927               }
928             break;
929 
930           case OPTIMIZATION_NODE:
931             cl_optimization_print (file, indent + 4, TREE_OPTIMIZATION (node));
932             break;
933 
934           case TARGET_OPTION_NODE:
935             cl_target_option_print (file, indent + 4, TREE_TARGET_OPTION (node));
936             break;
937           case IMPORTED_DECL:
938             fprintf (file, " imported-declaration");
939             print_node_brief (file, "associated-declaration",
940                                   IMPORTED_DECL_ASSOCIATED_DECL (node),
941                                   indent + 4);
942             break;
943 
944           case TREE_BINFO:
945             fprintf (file, " bases:%d",
946                        vec_safe_length (BINFO_BASE_BINFOS (node)));
947             print_node_brief (file, "offset", BINFO_OFFSET (node), indent + 4);
948             print_node_brief (file, "virtuals", BINFO_VIRTUALS (node),
949                                   indent + 4);
950             print_node_brief (file, "inheritance-chain",
951                                   BINFO_INHERITANCE_CHAIN (node),
952                                   indent + 4);
953             break;
954 
955           default:
956             if (EXCEPTIONAL_CLASS_P (node))
957               lang_hooks.print_xnode (file, node, indent);
958             break;
959           }
960 
961       break;
962     }
963 
964   if (EXPR_HAS_LOCATION (node))
965     {
966       expanded_location xloc = expand_location (EXPR_LOCATION (node));
967       indent_to (file, indent+4);
968       fprintf (file, "%s:%d:%d", xloc.file, xloc.line, xloc.column);
969 
970       /* Print the range, if any */
971       source_range r = EXPR_LOCATION_RANGE (node);
972       if (r.m_start)
973           {
974             xloc = expand_location (r.m_start);
975             fprintf (file, " start: %s:%d:%d", xloc.file, xloc.line, xloc.column);
976           }
977       else
978           {
979             fprintf (file, " start: unknown");
980           }
981       if (r.m_finish)
982           {
983             xloc = expand_location (r.m_finish);
984             fprintf (file, " finish: %s:%d:%d", xloc.file, xloc.line, xloc.column);
985           }
986       else
987           {
988             fprintf (file, " finish: unknown");
989           }
990     }
991 
992   fprintf (file, ">");
993 }
994 
995 
996 /* Print the node NODE on standard error, for debugging.
997    Most nodes referred to by this one are printed recursively
998    down to a depth of six.  */
999 
1000 DEBUG_FUNCTION void
debug_tree(tree node)1001 debug_tree (tree node)
1002 {
1003   table = new hash_set<tree> (HASH_SIZE);
1004   print_node (stderr, "", node, 0);
1005   delete table;
1006   table = NULL;
1007   putc ('\n', stderr);
1008 }
1009 
1010 DEBUG_FUNCTION void
debug_raw(const tree_node & ref)1011 debug_raw (const tree_node &ref)
1012 {
1013   debug_tree (const_cast <tree> (&ref));
1014 }
1015 
1016 DEBUG_FUNCTION void
debug_raw(const tree_node * ptr)1017 debug_raw (const tree_node *ptr)
1018 {
1019   if (ptr)
1020     debug_raw (*ptr);
1021   else
1022     fprintf (stderr, "<nil>\n");
1023 }
1024 
1025 static void
dump_tree_via_hooks(const tree_node * ptr,dump_flags_t options)1026 dump_tree_via_hooks (const tree_node *ptr, dump_flags_t options)
1027 {
1028   if (DECL_P (ptr))
1029     lang_hooks.print_decl (stderr, const_cast <tree_node*> (ptr), 0);
1030   else if (TYPE_P (ptr))
1031     lang_hooks.print_type (stderr, const_cast <tree_node*> (ptr), 0);
1032   else if (TREE_CODE (ptr) == IDENTIFIER_NODE)
1033     lang_hooks.print_identifier (stderr, const_cast <tree_node*> (ptr), 0);
1034   else
1035     print_generic_expr (stderr, const_cast <tree_node*> (ptr), options);
1036   fprintf (stderr, "\n");
1037 }
1038 
1039 DEBUG_FUNCTION void
debug(const tree_node & ref)1040 debug (const tree_node &ref)
1041 {
1042   dump_tree_via_hooks (&ref, 0);
1043 }
1044 
1045 DEBUG_FUNCTION void
debug(const tree_node * ptr)1046 debug (const tree_node *ptr)
1047 {
1048   if (ptr)
1049     debug (*ptr);
1050   else
1051     fprintf (stderr, "<nil>\n");
1052 }
1053 
1054 DEBUG_FUNCTION void
debug_head(const tree_node & ref)1055 debug_head (const tree_node &ref)
1056 {
1057   debug (ref);
1058 }
1059 
1060 DEBUG_FUNCTION void
debug_head(const tree_node * ptr)1061 debug_head (const tree_node *ptr)
1062 {
1063   if (ptr)
1064     debug_head (*ptr);
1065   else
1066     fprintf (stderr, "<nil>\n");
1067 }
1068 
1069 DEBUG_FUNCTION void
debug_body(const tree_node & ref)1070 debug_body (const tree_node &ref)
1071 {
1072   if (TREE_CODE (&ref) == FUNCTION_DECL)
1073     dump_function_to_file (const_cast <tree_node*> (&ref), stderr, 0);
1074   else
1075     debug (ref);
1076 }
1077 
1078 DEBUG_FUNCTION void
debug_body(const tree_node * ptr)1079 debug_body (const tree_node *ptr)
1080 {
1081   if (ptr)
1082     debug_body (*ptr);
1083   else
1084     fprintf (stderr, "<nil>\n");
1085 }
1086 
1087 /* Print the vector of trees VEC on standard error, for debugging.
1088    Most nodes referred to by this one are printed recursively
1089    down to a depth of six.  */
1090 
1091 DEBUG_FUNCTION void
debug_raw(vec<tree,va_gc> & ref)1092 debug_raw (vec<tree, va_gc> &ref)
1093 {
1094   tree elt;
1095   unsigned ix;
1096 
1097   /* Print the slot this node is in, and its code, and address.  */
1098   fprintf (stderr, "<VEC");
1099   dump_addr (stderr, " ", ref.address ());
1100 
1101   FOR_EACH_VEC_ELT (ref, ix, elt)
1102     {
1103       fprintf (stderr, "elt:%d ", ix);
1104       debug_raw (elt);
1105     }
1106 }
1107 
1108 DEBUG_FUNCTION void
debug_raw(vec<tree,va_gc> * ptr)1109 debug_raw (vec<tree, va_gc> *ptr)
1110 {
1111   if (ptr)
1112     debug_raw (*ptr);
1113   else
1114     fprintf (stderr, "<nil>\n");
1115 }
1116 
1117 static void
debug_slim(tree t)1118 debug_slim (tree t)
1119 {
1120   print_node_brief (stderr, "", t, 0);
1121 }
1122 
1123 DEFINE_DEBUG_VEC (tree)
1124 DEFINE_DEBUG_HASH_SET (tree)
1125