| /* Internal demangler interface for g++ V3 ABI. |
| Copyright (C) 2003-2024 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 (36) |
| |
| 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 |