Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5191 | serge | 1 | /* Demangler component interface functions. |
2 | Copyright (C) 2004 Free Software Foundation, Inc. |
||
3 | Written by Ian Lance Taylor |
||
4 | |||
5 | This file is part of the libiberty library, which is part of GCC. |
||
6 | |||
7 | This file 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 2 of the License, or |
||
10 | (at your option) any later version. |
||
11 | |||
12 | In addition to the permissions in the GNU General Public License, the |
||
13 | Free Software Foundation gives you unlimited permission to link the |
||
14 | compiled version of this file into combinations with other programs, |
||
15 | and to distribute those combinations without any restriction coming |
||
16 | from the use of this file. (The General Public License restrictions |
||
17 | do apply in other respects; for example, they cover modification of |
||
18 | the file, and distribution when not linked into a combined |
||
19 | executable.) |
||
20 | |||
21 | This program is distributed in the hope that it will be useful, |
||
22 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
24 | GNU General Public License for more details. |
||
25 | |||
26 | You should have received a copy of the GNU General Public License |
||
27 | along with this program; if not, write to the Free Software |
||
28 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
||
29 | */ |
||
30 | |||
31 | /* This file implements a few interface functions which are provided |
||
32 | for use with struct demangle_component trees. These functions are |
||
33 | declared in demangle.h. These functions are closely tied to the |
||
34 | demangler code in cp-demangle.c, and other interface functions can |
||
35 | be found in that file. We put these functions in a separate file |
||
36 | because they are not needed by the demangler, and so we avoid |
||
37 | having them pulled in by programs which only need the |
||
38 | demangler. */ |
||
39 | |||
40 | #ifdef HAVE_CONFIG_H |
||
41 | #include "config.h" |
||
42 | #endif |
||
43 | |||
44 | #ifdef HAVE_STDLIB_H |
||
45 | #include |
||
46 | #endif |
||
47 | #ifdef HAVE_STRING_H |
||
48 | #include |
||
49 | #endif |
||
50 | |||
51 | #include "ansidecl.h" |
||
52 | #include "libiberty.h" |
||
53 | #include "demangle.h" |
||
54 | #include "cp-demangle.h" |
||
55 | |||
56 | /* Fill in most component types. */ |
||
57 | |||
58 | int |
||
59 | cplus_demangle_fill_component (struct demangle_component *p, |
||
60 | enum demangle_component_type type, |
||
61 | struct demangle_component *left, |
||
62 | struct demangle_component *right) |
||
63 | { |
||
64 | if (p == NULL) |
||
65 | return 0; |
||
66 | switch (type) |
||
67 | { |
||
68 | case DEMANGLE_COMPONENT_QUAL_NAME: |
||
69 | case DEMANGLE_COMPONENT_LOCAL_NAME: |
||
70 | case DEMANGLE_COMPONENT_TYPED_NAME: |
||
71 | case DEMANGLE_COMPONENT_TEMPLATE: |
||
72 | case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE: |
||
73 | case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: |
||
74 | case DEMANGLE_COMPONENT_FUNCTION_TYPE: |
||
75 | case DEMANGLE_COMPONENT_ARRAY_TYPE: |
||
76 | case DEMANGLE_COMPONENT_PTRMEM_TYPE: |
||
77 | case DEMANGLE_COMPONENT_ARGLIST: |
||
78 | case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: |
||
79 | case DEMANGLE_COMPONENT_UNARY: |
||
80 | case DEMANGLE_COMPONENT_BINARY: |
||
81 | case DEMANGLE_COMPONENT_BINARY_ARGS: |
||
82 | case DEMANGLE_COMPONENT_TRINARY: |
||
83 | case DEMANGLE_COMPONENT_TRINARY_ARG1: |
||
84 | case DEMANGLE_COMPONENT_TRINARY_ARG2: |
||
85 | case DEMANGLE_COMPONENT_LITERAL: |
||
86 | case DEMANGLE_COMPONENT_LITERAL_NEG: |
||
87 | break; |
||
88 | |||
89 | /* These component types only have one subtree. */ |
||
90 | case DEMANGLE_COMPONENT_VTABLE: |
||
91 | case DEMANGLE_COMPONENT_VTT: |
||
92 | case DEMANGLE_COMPONENT_TYPEINFO: |
||
93 | case DEMANGLE_COMPONENT_TYPEINFO_NAME: |
||
94 | case DEMANGLE_COMPONENT_TYPEINFO_FN: |
||
95 | case DEMANGLE_COMPONENT_THUNK: |
||
96 | case DEMANGLE_COMPONENT_VIRTUAL_THUNK: |
||
97 | case DEMANGLE_COMPONENT_COVARIANT_THUNK: |
||
98 | case DEMANGLE_COMPONENT_JAVA_CLASS: |
||
99 | case DEMANGLE_COMPONENT_GUARD: |
||
100 | case DEMANGLE_COMPONENT_REFTEMP: |
||
101 | case DEMANGLE_COMPONENT_RESTRICT: |
||
102 | case DEMANGLE_COMPONENT_VOLATILE: |
||
103 | case DEMANGLE_COMPONENT_CONST: |
||
104 | case DEMANGLE_COMPONENT_RESTRICT_THIS: |
||
105 | case DEMANGLE_COMPONENT_VOLATILE_THIS: |
||
106 | case DEMANGLE_COMPONENT_CONST_THIS: |
||
107 | case DEMANGLE_COMPONENT_POINTER: |
||
108 | case DEMANGLE_COMPONENT_REFERENCE: |
||
109 | case DEMANGLE_COMPONENT_COMPLEX: |
||
110 | case DEMANGLE_COMPONENT_IMAGINARY: |
||
111 | case DEMANGLE_COMPONENT_VENDOR_TYPE: |
||
112 | case DEMANGLE_COMPONENT_CAST: |
||
113 | if (right != NULL) |
||
114 | return 0; |
||
115 | break; |
||
116 | |||
117 | default: |
||
118 | /* Other types do not use subtrees. */ |
||
119 | return 0; |
||
120 | } |
||
121 | |||
122 | p->type = type; |
||
123 | p->u.s_binary.left = left; |
||
124 | p->u.s_binary.right = right; |
||
125 | |||
126 | return 1; |
||
127 | } |
||
128 | |||
129 | /* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE. */ |
||
130 | |||
131 | int |
||
132 | cplus_demangle_fill_builtin_type (struct demangle_component *p, |
||
133 | const char *type_name) |
||
134 | { |
||
135 | int len; |
||
136 | unsigned int i; |
||
137 | |||
138 | if (p == NULL || type_name == NULL) |
||
139 | return 0; |
||
140 | len = strlen (type_name); |
||
141 | for (i = 0; i < D_BUILTIN_TYPE_COUNT; ++i) |
||
142 | { |
||
143 | if (len == cplus_demangle_builtin_types[i].len |
||
144 | && strcmp (type_name, cplus_demangle_builtin_types[i].name) == 0) |
||
145 | { |
||
146 | p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE; |
||
147 | p->u.s_builtin.type = &cplus_demangle_builtin_types[i]; |
||
148 | return 1; |
||
149 | } |
||
150 | } |
||
151 | return 0; |
||
152 | } |
||
153 | |||
154 | /* Fill in a DEMANGLE_COMPONENT_OPERATOR. */ |
||
155 | |||
156 | int |
||
157 | cplus_demangle_fill_operator (struct demangle_component *p, |
||
158 | const char *opname, int args) |
||
159 | { |
||
160 | int len; |
||
161 | unsigned int i; |
||
162 | |||
163 | if (p == NULL || opname == NULL) |
||
164 | return 0; |
||
165 | len = strlen (opname); |
||
166 | for (i = 0; cplus_demangle_operators[i].name != NULL; ++i) |
||
167 | { |
||
168 | if (len == cplus_demangle_operators[i].len |
||
169 | && args == cplus_demangle_operators[i].args |
||
170 | && strcmp (opname, cplus_demangle_operators[i].name) == 0) |
||
171 | { |
||
172 | p->type = DEMANGLE_COMPONENT_OPERATOR; |
||
173 | p->u.s_operator.op = &cplus_demangle_operators[i]; |
||
174 | return 1; |
||
175 | } |
||
176 | } |
||
177 | return 0; |
||
178 | } |
||
179 | |||
180 | /* Translate a mangled name into components. */ |
||
181 | |||
182 | struct demangle_component * |
||
183 | cplus_demangle_v3_components (const char *mangled, int options, void **mem) |
||
184 | { |
||
185 | size_t len; |
||
186 | int type; |
||
187 | struct d_info di; |
||
188 | struct demangle_component *dc; |
||
189 | |||
190 | len = strlen (mangled); |
||
191 | |||
192 | if (mangled[0] == '_' && mangled[1] == 'Z') |
||
193 | type = 0; |
||
194 | else |
||
195 | { |
||
196 | if ((options & DMGL_TYPES) == 0) |
||
197 | return NULL; |
||
198 | type = 1; |
||
199 | } |
||
200 | |||
201 | cplus_demangle_init_info (mangled, options, len, &di); |
||
202 | |||
203 | di.comps = ((struct demangle_component *) |
||
204 | malloc (di.num_comps * sizeof (struct demangle_component))); |
||
205 | di.subs = ((struct demangle_component **) |
||
206 | malloc (di.num_subs * sizeof (struct demangle_component *))); |
||
207 | if (di.comps == NULL || di.subs == NULL) |
||
208 | { |
||
209 | free (di.comps); |
||
210 | free (di.subs); |
||
211 | return NULL; |
||
212 | } |
||
213 | |||
214 | if (! type) |
||
215 | dc = cplus_demangle_mangled_name (&di, 1); |
||
216 | else |
||
217 | dc = cplus_demangle_type (&di); |
||
218 | |||
219 | /* If DMGL_PARAMS is set, then if we didn't consume the entire |
||
220 | mangled string, then we didn't successfully demangle it. */ |
||
221 | if ((options & DMGL_PARAMS) != 0 && d_peek_char (&di) != '\0') |
||
222 | dc = NULL; |
||
223 | |||
224 | free (di.subs); |
||
225 | |||
226 | if (dc != NULL) |
||
227 | *mem = di.comps; |
||
228 | else |
||
229 | free (di.comps); |
||
230 | |||
231 | return dc; |
||
232 | }> |