1/* Prints out trees in human readable form.
2 Copyright (C) 1992-2017 Free Software Foundation, Inc.
3 Hacked by Michael Tiemann (tiemann@cygnus.com)
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21
22#include "config.h"
23#include "system.h"
24#include "coretypes.h"
25#include "cp-tree.h"
26#include "print-tree.h"
27
28void
29cxx_print_decl (FILE *file, tree node, int indent)
30{
31 if (TREE_CODE (node) == FIELD_DECL)
32 {
33 if (DECL_MUTABLE_P (node))
34 {
35 indent_to (file, indent + 3);
36 fprintf (file, " mutable ");
37 }
38 return;
39 }
40
41 if (!CODE_CONTAINS_STRUCT (TREE_CODE (node), TS_DECL_COMMON)
42 || !DECL_LANG_SPECIFIC (node))
43 return;
44 if (TREE_CODE (node) == FUNCTION_DECL)
45 {
46 int flags = TFF_DECL_SPECIFIERS|TFF_RETURN_TYPE
47 |TFF_FUNCTION_DEFAULT_ARGUMENTS|TFF_EXCEPTION_SPECIFICATION ;
48 indent_to (file, indent + 3);
49 fprintf (file, " full-name \"%s\"", decl_as_string (node, flags));
50 }
51 else if (TREE_CODE (node) == TEMPLATE_DECL)
52 {
53 print_node (file, "parms", DECL_TEMPLATE_PARMS (node), indent + 4);
54 indent_to (file, indent + 3);
55 fprintf (file, " full-name \"%s\"",
56 decl_as_string (node, TFF_TEMPLATE_HEADER));
57 }
58
59 indent_to (file, indent + 3);
60 if (DECL_EXTERNAL (node) && DECL_NOT_REALLY_EXTERN (node))
61 fprintf (file, " not-really-extern");
62 if (TREE_CODE (node) == FUNCTION_DECL
63 && DECL_PENDING_INLINE_INFO (node))
64 fprintf (file, " pending-inline-info %p",
65 (void *) DECL_PENDING_INLINE_INFO (node));
66 if (VAR_OR_FUNCTION_DECL_P (node)
67 && DECL_TEMPLATE_INFO (node))
68 fprintf (file, " template-info %p",
69 (void *) DECL_TEMPLATE_INFO (node));
70}
71
72void
73cxx_print_type (FILE *file, tree node, int indent)
74{
75 switch (TREE_CODE (node))
76 {
77 case BOUND_TEMPLATE_TEMPLATE_PARM:
78 print_node (file, "args", TYPE_TI_ARGS (node), indent + 4);
79 gcc_fallthrough ();
80
81 case TEMPLATE_TYPE_PARM:
82 case TEMPLATE_TEMPLATE_PARM:
83 indent_to (file, indent + 3);
84 fprintf (file, "index %d level %d orig_level %d",
85 TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
86 TEMPLATE_TYPE_ORIG_LEVEL (node));
87 return;
88
89 case FUNCTION_TYPE:
90 case METHOD_TYPE:
91 if (TYPE_RAISES_EXCEPTIONS (node))
92 print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
93 return;
94
95 case RECORD_TYPE:
96 case UNION_TYPE:
97 break;
98
99 case DECLTYPE_TYPE:
100 print_node (file, "expr", DECLTYPE_TYPE_EXPR (node), indent + 4);
101 return;
102
103 case TYPENAME_TYPE:
104 print_node (file, "fullname", TYPENAME_TYPE_FULLNAME (node),
105 indent + 4);
106 return;
107
108 case TYPE_PACK_EXPANSION:
109 print_node (file, "args", PACK_EXPANSION_EXTRA_ARGS (node), indent + 4);
110 return;
111
112 default:
113 return;
114 }
115
116 if (TYPE_PTRMEMFUNC_P (node))
117 print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
118 indent + 4);
119
120 if (! CLASS_TYPE_P (node))
121 return;
122
123 indent_to (file, indent + 4);
124 fprintf (file, "full-name \"%s\"",
125 type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
126
127 indent_to (file, indent + 3);
128
129 if (TYPE_NEEDS_CONSTRUCTING (node))
130 fputs ( " needs-constructor", file);
131 if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
132 fputs (" needs-destructor", file);
133 if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
134 fputs (" X()", file);
135 if (TYPE_HAS_CONVERSION (node))
136 fputs (" has-type-conversion", file);
137 if (TYPE_HAS_COPY_CTOR (node))
138 {
139 if (TYPE_HAS_CONST_COPY_CTOR (node))
140 fputs (" X(constX&)", file);
141 else
142 fputs (" X(X&)", file);
143 }
144 if (TYPE_HAS_NEW_OPERATOR (node))
145 fputs (" new", file);
146 if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
147 fputs (" new[]", file);
148 if (TYPE_GETS_DELETE (node) & 1)
149 fputs (" delete", file);
150 if (TYPE_GETS_DELETE (node) & 2)
151 fputs (" delete[]", file);
152 if (TYPE_HAS_COPY_ASSIGN (node))
153 fputs (" this=(X&)", file);
154
155 if (TREE_CODE (node) == RECORD_TYPE)
156 {
157 if (TYPE_BINFO (node))
158 fprintf (file, " n_parents=%d",
159 BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
160 else
161 fprintf (file, " no-binfo");
162
163 fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
164 if (CLASSTYPE_INTERFACE_ONLY (node))
165 fprintf (file, " interface-only");
166 if (CLASSTYPE_INTERFACE_UNKNOWN (node))
167 fprintf (file, " interface-unknown");
168 }
169}
170
171void
172cxx_print_identifier (FILE *file, tree node, int indent)
173{
174 if (indent == 0)
175 fprintf (file, " ");
176 else
177 indent_to (file, indent + 4);
178 fprintf (file, "%s local bindings <%p>", get_identifier_kind_name (node),
179 (void *) IDENTIFIER_BINDING (node));
180}
181
182void
183cxx_print_lambda_node (FILE *file, tree node, int indent)
184{
185 if (LAMBDA_EXPR_MUTABLE_P (node))
186 fprintf (file, " /mutable");
187 fprintf (file, " default_capture_mode=[");
188 switch (LAMBDA_EXPR_DEFAULT_CAPTURE_MODE (node))
189 {
190 case CPLD_NONE:
191 fprintf (file, "NONE");
192 break;
193 case CPLD_COPY:
194 fprintf (file, "COPY");
195 break;
196 case CPLD_REFERENCE:
197 fprintf (file, "CPLD_REFERENCE");
198 break;
199 default:
200 fprintf (file, "??");
201 break;
202 }
203 fprintf (file, "] ");
204 print_node (file, "capture_list", LAMBDA_EXPR_CAPTURE_LIST (node), indent + 4);
205 print_node (file, "this_capture", LAMBDA_EXPR_THIS_CAPTURE (node), indent + 4);
206}
207
208void
209cxx_print_xnode (FILE *file, tree node, int indent)
210{
211 switch (TREE_CODE (node))
212 {
213 case BASELINK:
214 print_node (file, "functions", BASELINK_FUNCTIONS (node), indent + 4);
215 print_node (file, "binfo", BASELINK_BINFO (node), indent + 4);
216 print_node (file, "access_binfo", BASELINK_ACCESS_BINFO (node),
217 indent + 4);
218 break;
219 case OVERLOAD:
220 print_node (file, "function", OVL_FUNCTION (node), indent+4);
221 print_node (file, "next", OVL_CHAIN (node), indent+4);
222 break;
223 case TEMPLATE_PARM_INDEX:
224 print_node (file, "decl", TEMPLATE_PARM_DECL (node), indent+4);
225 indent_to (file, indent + 3);
226 fprintf (file, "index %d level %d orig_level %d",
227 TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
228 TEMPLATE_PARM_ORIG_LEVEL (node));
229 break;
230 case TEMPLATE_INFO:
231 print_node (file, "template", TI_TEMPLATE (node), indent+4);
232 print_node (file, "args", TI_ARGS (node), indent+4);
233 if (TI_PENDING_TEMPLATE_FLAG (node))
234 {
235 indent_to (file, indent + 3);
236 fprintf (file, "pending_template");
237 }
238 break;
239 case CONSTRAINT_INFO:
240 {
241 tree_constraint_info *cinfo = (tree_constraint_info *)node;
242 if (cinfo->template_reqs)
243 print_node (file, "template_reqs", cinfo->template_reqs, indent+4);
244 if (cinfo->declarator_reqs)
245 print_node (file, "declarator_reqs", cinfo->declarator_reqs,
246 indent+4);
247 print_node (file, "associated_constr",
248 cinfo->associated_constr, indent+4);
249 break;
250 }
251 case ARGUMENT_PACK_SELECT:
252 print_node (file, "pack", ARGUMENT_PACK_SELECT_FROM_PACK (node),
253 indent+4);
254 indent_to (file, indent + 3);
255 fprintf (file, "index %d", ARGUMENT_PACK_SELECT_INDEX (node));
256 break;
257 case DEFERRED_NOEXCEPT:
258 print_node (file, "pattern", DEFERRED_NOEXCEPT_PATTERN (node), indent+4);
259 print_node (file, "args", DEFERRED_NOEXCEPT_ARGS (node), indent+4);
260 break;
261 case TRAIT_EXPR:
262 indent_to (file, indent+4);
263 fprintf (file, "kind %d", TRAIT_EXPR_KIND (node));
264 print_node (file, "type 1", TRAIT_EXPR_TYPE1 (node), indent+4);
265 if (TRAIT_EXPR_TYPE2 (node))
266 print_node (file, "type 2", TRAIT_EXPR_TYPE2 (node), indent+4);
267 break;
268 case LAMBDA_EXPR:
269 cxx_print_lambda_node (file, node, indent);
270 break;
271 default:
272 break;
273 }
274}
275
276/* Print the node NODE on standard error, for debugging. */
277
278DEBUG_FUNCTION void
279debug_tree (cp_expr node)
280{
281 debug_tree (node.get_value());
282}
283