201 lines
6 KiB
C
201 lines
6 KiB
C
/* Internal demangler interface for g++ V3 ABI.
|
|
Copyright (C) 2003-2022 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 provides some definitions shared by cp-demangle.c and
|
|
cp-demint.c. It should not be included by any other files. */
|
|
|
|
/* Information we keep for operators. */
|
|
|
|
struct demangle_operator_info
|
|
{
|
|
/* Mangled name. */
|
|
const char *code;
|
|
/* Real name. */
|
|
const char *name;
|
|
/* Length of real name. */
|
|
int len;
|
|
/* Number of arguments. */
|
|
int args;
|
|
};
|
|
|
|
/* How to print the value of a builtin type. */
|
|
|
|
enum d_builtin_type_print
|
|
{
|
|
/* Print as (type)val. */
|
|
D_PRINT_DEFAULT,
|
|
/* Print as integer. */
|
|
D_PRINT_INT,
|
|
/* Print as unsigned integer, with trailing "u". */
|
|
D_PRINT_UNSIGNED,
|
|
/* Print as long, with trailing "l". */
|
|
D_PRINT_LONG,
|
|
/* Print as unsigned long, with trailing "ul". */
|
|
D_PRINT_UNSIGNED_LONG,
|
|
/* Print as long long, with trailing "ll". */
|
|
D_PRINT_LONG_LONG,
|
|
/* Print as unsigned long long, with trailing "ull". */
|
|
D_PRINT_UNSIGNED_LONG_LONG,
|
|
/* Print as bool. */
|
|
D_PRINT_BOOL,
|
|
/* Print as float--put value in square brackets. */
|
|
D_PRINT_FLOAT,
|
|
/* Print in usual way, but here to detect void. */
|
|
D_PRINT_VOID
|
|
};
|
|
|
|
/* Information we keep for a builtin type. */
|
|
|
|
struct demangle_builtin_type_info
|
|
{
|
|
/* Type name. */
|
|
const char *name;
|
|
/* Length of type name. */
|
|
int len;
|
|
/* Type name when using Java. */
|
|
const char *java_name;
|
|
/* Length of java name. */
|
|
int java_len;
|
|
/* How to print a value of this type. */
|
|
enum d_builtin_type_print print;
|
|
};
|
|
|
|
/* The information structure we pass around. */
|
|
|
|
struct d_info
|
|
{
|
|
/* The string we are demangling. */
|
|
const char *s;
|
|
/* The end of the string we are demangling. */
|
|
const char *send;
|
|
/* The options passed to the demangler. */
|
|
int options;
|
|
/* The next character in the string to consider. */
|
|
const char *n;
|
|
/* The array of components. */
|
|
struct demangle_component *comps;
|
|
/* The index of the next available component. */
|
|
int next_comp;
|
|
/* The number of available component structures. */
|
|
int num_comps;
|
|
/* The array of substitutions. */
|
|
struct demangle_component **subs;
|
|
/* The index of the next substitution. */
|
|
int next_sub;
|
|
/* The number of available entries in the subs array. */
|
|
int num_subs;
|
|
/* The last name we saw, for constructors and destructors. */
|
|
struct demangle_component *last_name;
|
|
/* A running total of the length of large expansions from the
|
|
mangled name to the demangled name, such as standard
|
|
substitutions and builtin types. */
|
|
int expansion;
|
|
/* Non-zero if we are parsing an expression. */
|
|
int is_expression;
|
|
/* Non-zero if we are parsing the type operand of a conversion
|
|
operator, but not when in an expression. */
|
|
int is_conversion;
|
|
/* 1: using new unresolved-name grammar.
|
|
-1: using new unresolved-name grammar and saw an unresolved-name.
|
|
0: using old unresolved-name grammar. */
|
|
int unresolved_name_state;
|
|
/* If DMGL_NO_RECURSE_LIMIT is not active then this is set to
|
|
the current recursion level. */
|
|
unsigned int recursion_level;
|
|
};
|
|
|
|
/* To avoid running past the ending '\0', don't:
|
|
- call d_peek_next_char if d_peek_char returned '\0'
|
|
- call d_advance with an 'i' that is too large
|
|
- call d_check_char(di, '\0')
|
|
Everything else is safe. */
|
|
#define d_peek_char(di) (*((di)->n))
|
|
#ifndef CHECK_DEMANGLER
|
|
# define d_peek_next_char(di) ((di)->n[1])
|
|
# define d_advance(di, i) ((di)->n += (i))
|
|
#endif
|
|
#define d_check_char(di, c) (d_peek_char(di) == c ? ((di)->n++, 1) : 0)
|
|
#define d_next_char(di) (d_peek_char(di) == '\0' ? '\0' : *((di)->n++))
|
|
#define d_str(di) ((di)->n)
|
|
|
|
#ifdef CHECK_DEMANGLER
|
|
static inline char
|
|
d_peek_next_char (const struct d_info *di)
|
|
{
|
|
if (!di->n[0])
|
|
abort ();
|
|
return di->n[1];
|
|
}
|
|
|
|
static inline void
|
|
d_advance (struct d_info *di, int i)
|
|
{
|
|
if (i < 0)
|
|
abort ();
|
|
while (i--)
|
|
{
|
|
if (!di->n[0])
|
|
abort ();
|
|
di->n++;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Functions and arrays in cp-demangle.c which are referenced by
|
|
functions in cp-demint.c. */
|
|
#ifdef IN_GLIBCPP_V3
|
|
#define CP_STATIC_IF_GLIBCPP_V3 static
|
|
#else
|
|
#define CP_STATIC_IF_GLIBCPP_V3 extern
|
|
#endif
|
|
|
|
#ifndef IN_GLIBCPP_V3
|
|
extern const struct demangle_operator_info cplus_demangle_operators[];
|
|
#endif
|
|
|
|
#define D_BUILTIN_TYPE_COUNT (34)
|
|
|
|
CP_STATIC_IF_GLIBCPP_V3
|
|
const struct demangle_builtin_type_info
|
|
cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT];
|
|
|
|
CP_STATIC_IF_GLIBCPP_V3
|
|
struct demangle_component *
|
|
cplus_demangle_mangled_name (struct d_info *, int);
|
|
|
|
CP_STATIC_IF_GLIBCPP_V3
|
|
struct demangle_component *
|
|
cplus_demangle_type (struct d_info *);
|
|
|
|
extern void
|
|
cplus_demangle_init_info (const char *, int, size_t, struct d_info *);
|
|
|
|
/* cp-demangle.c needs to define this a little differently */
|
|
#undef CP_STATIC_IF_GLIBCPP_V3
|