Line data Source code
1 : /* Tree-dumping functionality for intermediate representation.
2 : Copyright (C) 1999-2026 Free Software Foundation, Inc.
3 : Written by Mark Mitchell <mark@codesourcery.com>
4 :
5 : This file is part of GCC.
6 :
7 : GCC is free software; you can redistribute it and/or modify
8 : it under the terms of the GNU General Public License as published by
9 : the Free Software Foundation; either version 3, or (at your option)
10 : any later version.
11 :
12 : GCC is distributed in the hope that it will be useful,
13 : but WITHOUT ANY WARRANTY; without even the implied warranty of
14 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 : GNU General Public License for more details.
16 :
17 : You should have received a copy of the GNU General Public License
18 : along with GCC; see the file COPYING3. If not see
19 : <http://www.gnu.org/licenses/>. */
20 :
21 : #include "config.h"
22 : #include "system.h"
23 : #include "coretypes.h"
24 : #include "cp-tree.h"
25 : #include "tree-dump.h"
26 :
27 : /* Dump a representation of the accessibility information associated
28 : with T. */
29 :
30 : static void
31 138 : dump_access (dump_info_p di, tree t)
32 : {
33 138 : if (TREE_PROTECTED(t))
34 0 : dump_string_field (di, "accs", "prot");
35 138 : else if (TREE_PRIVATE(t))
36 0 : dump_string_field (di, "accs", "priv");
37 : else
38 138 : dump_string_field (di, "accs", "pub");
39 138 : }
40 :
41 : /* Dump information common to statements from STMT. */
42 :
43 : static void
44 17 : dump_stmt (dump_info_p di, const_tree t)
45 : {
46 17 : if (EXPR_HAS_LOCATION (t))
47 17 : dump_int (di, "line", EXPR_LINENO (t));
48 17 : }
49 :
50 : bool
51 43275 : cp_dump_tree (void* dump_info, tree t)
52 : {
53 43275 : enum tree_code code;
54 43275 : dump_info_p di = (dump_info_p) dump_info;
55 :
56 : /* Figure out what kind of node this is. */
57 43275 : code = TREE_CODE (t);
58 :
59 43275 : if (DECL_P (t))
60 : {
61 15034 : if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
62 14374 : dump_string_field (di, "lang", language_to_string (DECL_LANGUAGE (t)));
63 : }
64 :
65 43275 : switch (code)
66 : {
67 17925 : case IDENTIFIER_NODE:
68 17925 : if (IDENTIFIER_ANY_OP_P (t))
69 : {
70 24 : dump_string_field (di, "note", "operator");
71 24 : return true;
72 : }
73 : else if (IDENTIFIER_CONV_OP_P (t))
74 : {
75 : dump_child ("tynm", TREE_TYPE (t));
76 : return true;
77 : }
78 : break;
79 :
80 0 : case OFFSET_TYPE:
81 0 : dump_string_field (di, "note", "ptrmem");
82 0 : dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
83 0 : dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
84 0 : return true;
85 :
86 66 : case RECORD_TYPE:
87 66 : if (TYPE_PTRMEMFUNC_P (t))
88 : {
89 0 : dump_string_field (di, "note", "ptrmem");
90 0 : dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
91 0 : dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
92 0 : return true;
93 : }
94 : /* Fall through. */
95 :
96 66 : case UNION_TYPE:
97 : /* Is it a type used as a base? */
98 96 : if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
99 69 : && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
100 : {
101 3 : dump_child ("bfld", TYPE_CONTEXT (t));
102 3 : return true;
103 : }
104 :
105 63 : if (! MAYBE_CLASS_TYPE_P (t))
106 : break;
107 :
108 57 : dump_child ("vfld", TYPE_VFIELD (t));
109 57 : if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
110 0 : dump_string(di, "spec");
111 :
112 57 : if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
113 : {
114 51 : int i;
115 51 : tree binfo;
116 51 : tree base_binfo;
117 :
118 57 : for (binfo = TYPE_BINFO (t), i = 0;
119 57 : BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
120 : {
121 6 : dump_child ("base", BINFO_TYPE (base_binfo));
122 6 : if (BINFO_VIRTUAL_P (base_binfo))
123 0 : dump_string_field (di, "spec", "virt");
124 6 : dump_access (di, base_binfo);
125 : }
126 : }
127 : break;
128 :
129 60 : case FIELD_DECL:
130 60 : dump_access (di, t);
131 60 : if (DECL_MUTABLE_P (t))
132 0 : dump_string_field (di, "spec", "mutable");
133 : break;
134 :
135 33 : case VAR_DECL:
136 33 : if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
137 12 : dump_access (di, t);
138 33 : if (TREE_STATIC (t) && !TREE_PUBLIC (t))
139 0 : dump_string_field (di, "link", "static");
140 : break;
141 :
142 14484 : case FUNCTION_DECL:
143 14484 : if (!DECL_THUNK_P (t))
144 : {
145 14484 : if (DECL_OVERLOADED_OPERATOR_P (t))
146 56 : dump_string_field (di, "note", "operator");
147 14484 : if (DECL_FUNCTION_MEMBER_P (t))
148 : {
149 60 : dump_string_field (di, "note", "member");
150 60 : dump_access (di, t);
151 : }
152 14484 : if (DECL_PURE_VIRTUAL_P (t))
153 0 : dump_string_field (di, "spec", "pure");
154 14484 : if (DECL_VIRTUAL_P (t))
155 24 : dump_string_field (di, "spec", "virt");
156 28968 : if (DECL_CONSTRUCTOR_P (t))
157 24 : dump_string_field (di, "note", "constructor");
158 28968 : if (DECL_DESTRUCTOR_P (t))
159 30 : dump_string_field (di, "note", "destructor");
160 14484 : if (DECL_CONV_FN_P (t))
161 0 : dump_string_field (di, "note", "conversion");
162 14484 : if (DECL_GLOBAL_CTOR_P (t))
163 0 : dump_string_field (di, "note", "global init");
164 14484 : if (DECL_GLOBAL_DTOR_P (t))
165 0 : dump_string_field (di, "note", "global fini");
166 14484 : if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
167 0 : dump_string_field (di, "note", "pseudo tmpl");
168 : }
169 : else
170 : {
171 0 : tree virt = THUNK_VIRTUAL_OFFSET (t);
172 :
173 0 : dump_string_field (di, "note", "thunk");
174 0 : if (DECL_THIS_THUNK_P (t))
175 0 : dump_string_field (di, "note", "this adjusting");
176 : else
177 : {
178 0 : dump_string_field (di, "note", "result adjusting");
179 0 : if (virt)
180 0 : virt = BINFO_VPTR_FIELD (virt);
181 : }
182 0 : dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
183 0 : if (virt)
184 0 : dump_int (di, "virt", tree_to_shwi (virt));
185 0 : dump_child ("fn", DECL_INITIAL (t));
186 : }
187 : break;
188 :
189 18 : case NAMESPACE_DECL:
190 18 : if (DECL_NAMESPACE_ALIAS (t))
191 0 : dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
192 18 : else if (!dump_flag (di, TDF_SLIM, t))
193 18 : dump_child ("dcls", cp_namespace_decls (t));
194 : break;
195 :
196 0 : case TEMPLATE_DECL:
197 0 : dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
198 0 : dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
199 0 : dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
200 0 : dump_child ("prms", DECL_TEMPLATE_PARMS (t));
201 0 : break;
202 :
203 : case OVERLOAD:
204 0 : dump_child ("name", OVL_NAME (t));
205 0 : if (!dump_flag (di, TDF_SLIM, t))
206 0 : for (lkp_iterator iter (t); iter; ++iter)
207 0 : dump_child ("chld", *iter);
208 : break;
209 :
210 0 : case TRY_BLOCK:
211 0 : dump_stmt (di, t);
212 0 : if (CLEANUP_P (t))
213 0 : dump_string_field (di, "note", "cleanup");
214 0 : dump_child ("body", TRY_STMTS (t));
215 0 : dump_child ("hdlr", TRY_HANDLERS (t));
216 0 : break;
217 :
218 0 : case EH_SPEC_BLOCK:
219 0 : dump_stmt (di, t);
220 0 : dump_child ("body", EH_SPEC_STMTS (t));
221 0 : dump_child ("raises", EH_SPEC_RAISES (t));
222 0 : break;
223 :
224 0 : case PTRMEM_CST:
225 0 : dump_child ("clas", PTRMEM_CST_CLASS (t));
226 0 : dump_child ("mbr", PTRMEM_CST_MEMBER (t));
227 0 : break;
228 :
229 0 : case THROW_EXPR:
230 : /* These nodes are unary, but do not have code class `1'. */
231 0 : dump_child ("op 0", TREE_OPERAND (t, 0));
232 0 : break;
233 :
234 0 : case AGGR_INIT_EXPR:
235 0 : {
236 0 : int i = 0;
237 0 : tree arg;
238 0 : aggr_init_expr_arg_iterator iter;
239 0 : dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
240 0 : dump_child ("fn", AGGR_INIT_EXPR_FN (t));
241 0 : FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t)
242 : {
243 0 : char buffer[32];
244 0 : sprintf (buffer, "%u", i);
245 0 : dump_child (buffer, arg);
246 0 : i++;
247 : }
248 0 : dump_child ("decl", AGGR_INIT_EXPR_SLOT (t));
249 : }
250 0 : break;
251 :
252 0 : case HANDLER:
253 0 : dump_stmt (di, t);
254 0 : dump_child ("parm", HANDLER_PARMS (t));
255 0 : dump_child ("body", HANDLER_BODY (t));
256 0 : break;
257 :
258 2 : case MUST_NOT_THROW_EXPR:
259 2 : dump_stmt (di, t);
260 2 : dump_child ("body", TREE_OPERAND (t, 0));
261 2 : dump_child ("cond", MUST_NOT_THROW_COND (t));
262 2 : break;
263 :
264 0 : case USING_STMT:
265 0 : dump_stmt (di, t);
266 0 : dump_child ("nmsp", USING_STMT_NAMESPACE (t));
267 0 : break;
268 :
269 0 : case CLEANUP_STMT:
270 0 : dump_stmt (di, t);
271 0 : dump_child ("decl", CLEANUP_DECL (t));
272 0 : dump_child ("expr", CLEANUP_EXPR (t));
273 0 : dump_child ("body", CLEANUP_BODY (t));
274 0 : break;
275 :
276 0 : case IF_STMT:
277 0 : dump_stmt (di, t);
278 0 : dump_child ("cond", IF_COND (t));
279 0 : dump_child ("then", THEN_CLAUSE (t));
280 0 : dump_child ("else", ELSE_CLAUSE (t));
281 0 : break;
282 :
283 0 : case RANGE_FOR_STMT:
284 0 : dump_stmt (di, t);
285 0 : dump_child ("init", RANGE_FOR_INIT_STMT (t));
286 0 : dump_child ("decl", RANGE_FOR_DECL (t));
287 0 : dump_child ("expr", RANGE_FOR_EXPR (t));
288 0 : dump_child ("body", RANGE_FOR_BODY (t));
289 0 : break;
290 :
291 0 : case STMT_EXPR:
292 0 : dump_child ("stmt", STMT_EXPR_STMT (t));
293 0 : break;
294 :
295 15 : case EXPR_STMT:
296 15 : dump_stmt (di, t);
297 15 : dump_child ("expr", EXPR_STMT_EXPR (t));
298 15 : break;
299 :
300 0 : case OMP_DEPOBJ:
301 0 : dump_stmt (di, t);
302 0 : dump_child ("depobj", OMP_DEPOBJ_DEPOBJ (t));
303 0 : dump_child ("clauses", OMP_DEPOBJ_CLAUSES (t));
304 0 : break;
305 :
306 : default:
307 : break;
308 : }
309 :
310 43248 : return c_dump_tree (di, t);
311 : }
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