| /* Demangler component interface functions. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| Written by Ian Lance Taylor <ian@wasabisystems.com>. |
| |
| This file is part of the libiberty library, which is part of GCC. |
| |
| This file is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combined |
| executable.) |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| /* This file implements a few interface functions which are provided |
| for use with struct demangle_component trees. These functions are |
| declared in demangle.h. These functions are closely tied to the |
| demangler code in cp-demangle.c, and other interface functions can |
| be found in that file. We put these functions in a separate file |
| because they are not needed by the demangler, and so we avoid |
| having them pulled in by programs which only need the |
| demangler. */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #ifdef HAVE_STRING_H |
| #include <string.h> |
| #endif |
| |
| #include "ansidecl.h" |
| #include "libiberty.h" |
| #include "demangle.h" |
| #include "cp-demangle.h" |
| |
| /* Fill in most component types. */ |
| |
| int |
| cplus_demangle_fill_component (struct demangle_component *p, |
| enum demangle_component_type type, |
| struct demangle_component *left, |
| struct demangle_component *right) |
| { |
| if (p == NULL) |
| return 0; |
| switch (type) |
| { |
| case DEMANGLE_COMPONENT_QUAL_NAME: |
| case DEMANGLE_COMPONENT_LOCAL_NAME: |
| case DEMANGLE_COMPONENT_TYPED_NAME: |
| case DEMANGLE_COMPONENT_TEMPLATE: |
| case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE: |
| case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: |
| case DEMANGLE_COMPONENT_FUNCTION_TYPE: |
| case DEMANGLE_COMPONENT_ARRAY_TYPE: |
| case DEMANGLE_COMPONENT_PTRMEM_TYPE: |
| case DEMANGLE_COMPONENT_ARGLIST: |
| case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: |
| case DEMANGLE_COMPONENT_UNARY: |
| case DEMANGLE_COMPONENT_BINARY: |
| case DEMANGLE_COMPONENT_BINARY_ARGS: |
| case DEMANGLE_COMPONENT_TRINARY: |
| case DEMANGLE_COMPONENT_TRINARY_ARG1: |
| case DEMANGLE_COMPONENT_TRINARY_ARG2: |
| case DEMANGLE_COMPONENT_LITERAL: |
| case DEMANGLE_COMPONENT_LITERAL_NEG: |
| break; |
| |
| /* These component types only have one subtree. */ |
| case DEMANGLE_COMPONENT_VTABLE: |
| case DEMANGLE_COMPONENT_VTT: |
| case DEMANGLE_COMPONENT_TYPEINFO: |
| case DEMANGLE_COMPONENT_TYPEINFO_NAME: |
| case DEMANGLE_COMPONENT_TYPEINFO_FN: |
| case DEMANGLE_COMPONENT_THUNK: |
| case DEMANGLE_COMPONENT_VIRTUAL_THUNK: |
| case DEMANGLE_COMPONENT_COVARIANT_THUNK: |
| case DEMANGLE_COMPONENT_JAVA_CLASS: |
| case DEMANGLE_COMPONENT_GUARD: |
| case DEMANGLE_COMPONENT_REFTEMP: |
| case DEMANGLE_COMPONENT_RESTRICT: |
| case DEMANGLE_COMPONENT_VOLATILE: |
| case DEMANGLE_COMPONENT_CONST: |
| case DEMANGLE_COMPONENT_RESTRICT_THIS: |
| case DEMANGLE_COMPONENT_VOLATILE_THIS: |
| case DEMANGLE_COMPONENT_CONST_THIS: |
| case DEMANGLE_COMPONENT_POINTER: |
| case DEMANGLE_COMPONENT_REFERENCE: |
| case DEMANGLE_COMPONENT_COMPLEX: |
| case DEMANGLE_COMPONENT_IMAGINARY: |
| case DEMANGLE_COMPONENT_VENDOR_TYPE: |
| case DEMANGLE_COMPONENT_CAST: |
| case DEMANGLE_COMPONENT_CONVERSION: |
| if (right != NULL) |
| return 0; |
| break; |
| |
| default: |
| /* Other types do not use subtrees. */ |
| return 0; |
| } |
| |
| p->type = type; |
| p->u.s_binary.left = left; |
| p->u.s_binary.right = right; |
| |
| return 1; |
| } |
| |
| /* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE. */ |
| |
| int |
| cplus_demangle_fill_builtin_type (struct demangle_component *p, |
| const char *type_name) |
| { |
| int len; |
| unsigned int i; |
| |
| if (p == NULL || type_name == NULL) |
| return 0; |
| len = strlen (type_name); |
| for (i = 0; i < D_BUILTIN_TYPE_COUNT; ++i) |
| { |
| if (len == cplus_demangle_builtin_types[i].len |
| && strcmp (type_name, cplus_demangle_builtin_types[i].name) == 0) |
| { |
| p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE; |
| p->u.s_builtin.type = &cplus_demangle_builtin_types[i]; |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| /* Fill in a DEMANGLE_COMPONENT_OPERATOR. */ |
| |
| int |
| cplus_demangle_fill_operator (struct demangle_component *p, |
| const char *opname, int args) |
| { |
| int len; |
| unsigned int i; |
| |
| if (p == NULL || opname == NULL) |
| return 0; |
| len = strlen (opname); |
| for (i = 0; cplus_demangle_operators[i].name != NULL; ++i) |
| { |
| if (len == cplus_demangle_operators[i].len |
| && args == cplus_demangle_operators[i].args |
| && strcmp (opname, cplus_demangle_operators[i].name) == 0) |
| { |
| p->type = DEMANGLE_COMPONENT_OPERATOR; |
| p->u.s_operator.op = &cplus_demangle_operators[i]; |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| /* Translate a mangled name into components. */ |
| |
| struct demangle_component * |
| cplus_demangle_v3_components (const char *mangled, int options, void **mem) |
| { |
| size_t len; |
| int type; |
| struct d_info di; |
| struct demangle_component *dc; |
| |
| len = strlen (mangled); |
| |
| if (mangled[0] == '_' && mangled[1] == 'Z') |
| type = 0; |
| else |
| { |
| if ((options & DMGL_TYPES) == 0) |
| return NULL; |
| type = 1; |
| } |
| |
| cplus_demangle_init_info (mangled, options, len, &di); |
| |
| di.comps = ((struct demangle_component *) |
| malloc (di.num_comps * sizeof (struct demangle_component))); |
| di.subs = ((struct demangle_component **) |
| malloc (di.num_subs * sizeof (struct demangle_component *))); |
| if (di.comps == NULL || di.subs == NULL) |
| { |
| free (di.comps); |
| free (di.subs); |
| return NULL; |
| } |
| |
| if (! type) |
| dc = cplus_demangle_mangled_name (&di, 1); |
| else |
| dc = cplus_demangle_type (&di); |
| |
| /* If DMGL_PARAMS is set, then if we didn't consume the entire |
| mangled string, then we didn't successfully demangle it. */ |
| if ((options & DMGL_PARAMS) != 0 && d_peek_char (&di) != '\0') |
| dc = NULL; |
| |
| free (di.subs); |
| |
| if (dc != NULL) |
| *mem = di.comps; |
| else |
| free (di.comps); |
| |
| return dc; |
| } |