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/* Demangler component interface functions. |
Copyright (C) 2004 Free Software Foundation, Inc. |
Written by Ian Lance Taylor <ian@wasabisystems.com>. |
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This file is part of the libiberty library, which is part of GCC. |
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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. |
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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.) |
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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. |
*/ |
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/* 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. */ |
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#ifdef HAVE_CONFIG_H |
#include "config.h" |
#endif |
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#ifdef HAVE_STDLIB_H |
#include <stdlib.h> |
#endif |
#ifdef HAVE_STRING_H |
#include <string.h> |
#endif |
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#include "ansidecl.h" |
#include "libiberty.h" |
#include "demangle.h" |
#include "cp-demangle.h" |
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/* Fill in most component types. */ |
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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; |
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/* 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: |
if (right != NULL) |
return 0; |
break; |
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default: |
/* Other types do not use subtrees. */ |
return 0; |
} |
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p->type = type; |
p->u.s_binary.left = left; |
p->u.s_binary.right = right; |
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return 1; |
} |
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/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE. */ |
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int |
cplus_demangle_fill_builtin_type (struct demangle_component *p, |
const char *type_name) |
{ |
int len; |
unsigned int i; |
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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; |
} |
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/* Fill in a DEMANGLE_COMPONENT_OPERATOR. */ |
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int |
cplus_demangle_fill_operator (struct demangle_component *p, |
const char *opname, int args) |
{ |
int len; |
unsigned int i; |
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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; |
} |
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/* Translate a mangled name into components. */ |
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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; |
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len = strlen (mangled); |
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if (mangled[0] == '_' && mangled[1] == 'Z') |
type = 0; |
else |
{ |
if ((options & DMGL_TYPES) == 0) |
return NULL; |
type = 1; |
} |
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cplus_demangle_init_info (mangled, options, len, &di); |
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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; |
} |
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if (! type) |
dc = cplus_demangle_mangled_name (&di, 1); |
else |
dc = cplus_demangle_type (&di); |
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/* 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; |
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free (di.subs); |
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if (dc != NULL) |
*mem = di.comps; |
else |
free (di.comps); |
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return dc; |
} |