DJ Delorie
23 years ago
7 changed files with 1660 additions and 854 deletions
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/* Internal demangler interface for g++ V3 ABI.
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Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
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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 |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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In addition to the permissions in the GNU General Public License, the |
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Free Software Foundation gives you unlimited permission to link the |
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compiled version of this file into combinations with other programs, |
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and to distribute those combinations without any restriction coming |
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|
from the use of this file. (The General Public License restrictions |
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do apply in other respects; for example, they cover modification of |
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the file, and distribution when not linked into a combined |
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executable.) |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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/* This file provides some definitions shared by cp-demangle.c and
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cp-demint.c. It should not be included by any other files. */ |
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/* Information we keep for operators. */ |
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struct demangle_operator_info |
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{ |
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/* Mangled name. */ |
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const char *code; |
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/* Real name. */ |
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const char *name; |
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/* Length of real name. */ |
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int len; |
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/* Number of arguments. */ |
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int args; |
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}; |
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/* How to print the value of a builtin type. */ |
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enum d_builtin_type_print |
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{ |
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/* Print as (type)val. */ |
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D_PRINT_DEFAULT, |
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/* Print as integer. */ |
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D_PRINT_INT, |
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/* Print as long, with trailing `l'. */ |
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D_PRINT_LONG, |
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/* Print as bool. */ |
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D_PRINT_BOOL, |
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/* Print in usual way, but here to detect void. */ |
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D_PRINT_VOID |
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}; |
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/* Information we keep for a builtin type. */ |
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struct demangle_builtin_type_info |
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{ |
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/* Type name. */ |
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const char *name; |
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/* Length of type name. */ |
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int len; |
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/* Type name when using Java. */ |
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const char *java_name; |
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/* Length of java name. */ |
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int java_len; |
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/* How to print a value of this type. */ |
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enum d_builtin_type_print print; |
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}; |
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/* The information structure we pass around. */ |
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struct d_info |
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{ |
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/* The string we are demangling. */ |
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const char *s; |
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/* The end of the string we are demangling. */ |
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const char *send; |
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/* The options passed to the demangler. */ |
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int options; |
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/* The next character in the string to consider. */ |
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const char *n; |
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/* The array of components. */ |
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struct demangle_component *comps; |
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/* The index of the next available component. */ |
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int next_comp; |
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/* The number of available component structures. */ |
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int num_comps; |
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/* The array of substitutions. */ |
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struct demangle_component **subs; |
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/* The index of the next substitution. */ |
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int next_sub; |
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/* The number of available entries in the subs array. */ |
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int num_subs; |
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/* The number of substitutions which we actually made from the subs
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array, plus the number of template parameter references we |
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saw. */ |
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int did_subs; |
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/* The last name we saw, for constructors and destructors. */ |
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struct demangle_component *last_name; |
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/* A running total of the length of large expansions from the
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mangled name to the demangled name, such as standard |
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substitutions and builtin types. */ |
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int expansion; |
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}; |
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#define d_peek_char(di) (*((di)->n)) |
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#define d_peek_next_char(di) ((di)->n[1]) |
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#define d_advance(di, i) ((di)->n += (i)) |
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#define d_next_char(di) (*((di)->n++)) |
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#define d_str(di) ((di)->n) |
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/* Functions and arrays in cp-demangle.c which are referenced by
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functions in cp-demint.c. */ |
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extern const struct demangle_operator_info cplus_demangle_operators[]; |
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#define D_BUILTIN_TYPE_COUNT (26) |
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extern const struct demangle_builtin_type_info |
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cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT]; |
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extern struct demangle_component * |
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cplus_demangle_mangled_name PARAMS ((struct d_info *, int)); |
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extern struct demangle_component * |
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cplus_demangle_type PARAMS ((struct d_info *)); |
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extern void |
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cplus_demangle_init_info PARAMS ((const char *, int, size_t, struct d_info *)); |
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@ -0,0 +1,241 @@ |
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/* Demangler component interface functions.
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Copyright (C) 2004 Free Software Foundation, Inc. |
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Written by Ian Lance Taylor <ian@wasabisystems.com>. |
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|
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This file is part of the libiberty library, which is part of GCC. |
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|
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This file is free software; you can redistribute it and/or modify |
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|
it under the terms of the GNU General Public License as published by |
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|
the Free Software Foundation; either version 2 of the License, or |
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|
(at your option) any later version. |
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|
|
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|
In addition to the permissions in the GNU General Public License, the |
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|
Free Software Foundation gives you unlimited permission to link the |
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|
compiled version of this file into combinations with other programs, |
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|
and to distribute those combinations without any restriction coming |
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|
from the use of this file. (The General Public License restrictions |
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|
do apply in other respects; for example, they cover modification of |
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|
the file, and distribution when not linked into a combined |
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|
executable.) |
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|
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This program is distributed in the hope that it will be useful, |
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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|
GNU General Public License for more details. |
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|
|
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|
You should have received a copy of the GNU General Public License |
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|
along with this program; if not, write to the Free Software |
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|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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/* This file implements a few interface functions which are provided
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for use with struct demangle_component trees. These functions are |
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declared in demangle.h. These functions are closely tied to the |
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demangler code in cp-demangle.c, and other interface functions can |
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be found in that file. We put these functions in a separate file |
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because they are not needed by the demangler, and so we avoid |
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having them pulled in by programs which only need the |
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demangler. */ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#ifdef HAVE_STDLIB_H |
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#include <stdlib.h> |
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#endif |
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#ifdef HAVE_STRING_H |
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#include <string.h> |
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#endif |
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#include "ansidecl.h" |
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#include "libiberty.h" |
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#include "demangle.h" |
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#include "cp-demangle.h" |
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/* Fill in most component types. */ |
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int |
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cplus_demangle_fill_component (p, type, left, right) |
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struct demangle_component *p; |
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enum demangle_component_type type; |
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struct demangle_component *left; |
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struct demangle_component *right; |
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{ |
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if (p == NULL) |
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return 0; |
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switch (type) |
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{ |
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case DEMANGLE_COMPONENT_QUAL_NAME: |
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case DEMANGLE_COMPONENT_LOCAL_NAME: |
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case DEMANGLE_COMPONENT_TYPED_NAME: |
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case DEMANGLE_COMPONENT_TEMPLATE: |
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case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: |
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case DEMANGLE_COMPONENT_FUNCTION_TYPE: |
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case DEMANGLE_COMPONENT_ARRAY_TYPE: |
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case DEMANGLE_COMPONENT_PTRMEM_TYPE: |
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case DEMANGLE_COMPONENT_ARGLIST: |
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case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: |
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case DEMANGLE_COMPONENT_UNARY: |
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case DEMANGLE_COMPONENT_BINARY: |
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case DEMANGLE_COMPONENT_BINARY_ARGS: |
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case DEMANGLE_COMPONENT_TRINARY: |
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case DEMANGLE_COMPONENT_TRINARY_ARG1: |
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case DEMANGLE_COMPONENT_TRINARY_ARG2: |
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case DEMANGLE_COMPONENT_LITERAL: |
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case DEMANGLE_COMPONENT_LITERAL_NEG: |
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break; |
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/* These component types only have one subtree. */ |
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case DEMANGLE_COMPONENT_VTABLE: |
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case DEMANGLE_COMPONENT_VTT: |
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case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE: |
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case DEMANGLE_COMPONENT_TYPEINFO: |
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case DEMANGLE_COMPONENT_TYPEINFO_NAME: |
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case DEMANGLE_COMPONENT_TYPEINFO_FN: |
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case DEMANGLE_COMPONENT_THUNK: |
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case DEMANGLE_COMPONENT_VIRTUAL_THUNK: |
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case DEMANGLE_COMPONENT_COVARIANT_THUNK: |
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case DEMANGLE_COMPONENT_JAVA_CLASS: |
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case DEMANGLE_COMPONENT_GUARD: |
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case DEMANGLE_COMPONENT_REFTEMP: |
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case DEMANGLE_COMPONENT_RESTRICT: |
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case DEMANGLE_COMPONENT_VOLATILE: |
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case DEMANGLE_COMPONENT_CONST: |
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case DEMANGLE_COMPONENT_RESTRICT_THIS: |
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case DEMANGLE_COMPONENT_VOLATILE_THIS: |
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case DEMANGLE_COMPONENT_CONST_THIS: |
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case DEMANGLE_COMPONENT_POINTER: |
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case DEMANGLE_COMPONENT_REFERENCE: |
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case DEMANGLE_COMPONENT_COMPLEX: |
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case DEMANGLE_COMPONENT_IMAGINARY: |
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case DEMANGLE_COMPONENT_VENDOR_TYPE: |
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case DEMANGLE_COMPONENT_CAST: |
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if (right != NULL) |
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return 0; |
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break; |
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default: |
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/* Other types do not use subtrees. */ |
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return 0; |
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} |
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p->type = type; |
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p->u.s_binary.left = left; |
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p->u.s_binary.right = right; |
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return 1; |
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} |
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/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE. */ |
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int |
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cplus_demangle_fill_builtin_type (p, typename) |
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struct demangle_component *p; |
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const char *typename; |
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{ |
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int len; |
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unsigned int i; |
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if (p == NULL || typename == NULL) |
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return 0; |
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len = strlen (typename); |
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for (i = 0; i < D_BUILTIN_TYPE_COUNT; ++i) |
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{ |
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if (len == cplus_demangle_builtin_types[i].len |
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&& strcmp (typename, cplus_demangle_builtin_types[i].name) == 0) |
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{ |
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p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE; |
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p->u.s_builtin.type = &cplus_demangle_builtin_types[i]; |
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return 1; |
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} |
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} |
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return 0; |
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} |
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/* Fill in a DEMANGLE_COMPONENT_OPERATOR. */ |
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int |
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cplus_demangle_fill_operator (p, opname, args) |
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struct demangle_component *p; |
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const char *opname; |
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int args; |
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{ |
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int len; |
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unsigned int i; |
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if (p == NULL || opname == NULL) |
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return 0; |
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len = strlen (opname); |
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for (i = 0; cplus_demangle_operators[i].name != NULL; ++i) |
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{ |
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if (len == cplus_demangle_operators[i].len |
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&& args == cplus_demangle_operators[i].args |
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&& strcmp (opname, cplus_demangle_operators[i].name) == 0) |
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{ |
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p->type = DEMANGLE_COMPONENT_OPERATOR; |
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p->u.s_operator.op = &cplus_demangle_operators[i]; |
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return 1; |
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} |
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} |
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return 0; |
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} |
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/* Translate a mangled name into components. */ |
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struct demangle_component * |
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cplus_demangle_v3_components (mangled, options, mem) |
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const char *mangled; |
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int options; |
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void **mem; |
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{ |
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size_t len; |
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int type; |
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struct d_info di; |
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struct demangle_component *dc; |
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len = strlen (mangled); |
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if (mangled[0] == '_' && mangled[1] == 'Z') |
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type = 0; |
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else |
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{ |
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if ((options & DMGL_TYPES) == 0) |
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return NULL; |
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type = 1; |
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} |
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cplus_demangle_init_info (mangled, options, len, &di); |
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di.comps = ((struct demangle_component *) |
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malloc (di.num_comps * sizeof (struct demangle_component))); |
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di.subs = ((struct demangle_component **) |
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malloc (di.num_subs * sizeof (struct demangle_component *))); |
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if (di.comps == NULL || di.subs == NULL) |
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{ |
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if (di.comps != NULL) |
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free (di.comps); |
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if (di.subs != NULL) |
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free (di.subs); |
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return NULL; |
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} |
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if (! type) |
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dc = cplus_demangle_mangled_name (&di, 1); |
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else |
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dc = cplus_demangle_type (&di); |
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/* If DMGL_PARAMS is set, then if we didn't consume the entire
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mangled string, then we didn't successfully demangle it. */ |
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if ((options & DMGL_PARAMS) != 0 && d_peek_char (&di) != '\0') |
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dc = NULL; |
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free (di.subs); |
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if (dc != NULL) |
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*mem = di.comps; |
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else |
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free (di.comps); |
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return dc; |
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} |
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Reference in new issue