1 /* Internal demangler interface for g++ V3 ABI. 2 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010 3 Free Software Foundation, Inc. 4 Written by Ian Lance Taylor <ian (at) wasabisystems.com>. 5 6 This file is part of the libiberty library, which is part of GCC. 7 8 This file is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 In addition to the permissions in the GNU General Public License, the 14 Free Software Foundation gives you unlimited permission to link the 15 compiled version of this file into combinations with other programs, 16 and to distribute those combinations without any restriction coming 17 from the use of this file. (The General Public License restrictions 18 do apply in other respects; for example, they cover modification of 19 the file, and distribution when not linked into a combined 20 executable.) 21 22 This program is distributed in the hope that it will be useful, 23 but WITHOUT ANY WARRANTY; without even the implied warranty of 24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 GNU General Public License for more details. 26 27 You should have received a copy of the GNU General Public License 28 along with this program; if not, write to the Free Software 29 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. 30 */ 31 32 /* This file provides some definitions shared by cp-demangle.c and 33 cp-demint.c. It should not be included by any other files. */ 34 35 /* Information we keep for operators. */ 36 37 struct demangle_operator_info 38 { 39 /* Mangled name. */ 40 const char *code; 41 /* Real name. */ 42 const char *name; 43 /* Length of real name. */ 44 int len; 45 /* Number of arguments. */ 46 int args; 47 }; 48 49 /* How to print the value of a builtin type. */ 50 51 enum d_builtin_type_print 52 { 53 /* Print as (type)val. */ 54 D_PRINT_DEFAULT, 55 /* Print as integer. */ 56 D_PRINT_INT, 57 /* Print as unsigned integer, with trailing "u". */ 58 D_PRINT_UNSIGNED, 59 /* Print as long, with trailing "l". */ 60 D_PRINT_LONG, 61 /* Print as unsigned long, with trailing "ul". */ 62 D_PRINT_UNSIGNED_LONG, 63 /* Print as long long, with trailing "ll". */ 64 D_PRINT_LONG_LONG, 65 /* Print as unsigned long long, with trailing "ull". */ 66 D_PRINT_UNSIGNED_LONG_LONG, 67 /* Print as bool. */ 68 D_PRINT_BOOL, 69 /* Print as float--put value in square brackets. */ 70 D_PRINT_FLOAT, 71 /* Print in usual way, but here to detect void. */ 72 D_PRINT_VOID 73 }; 74 75 /* Information we keep for a builtin type. */ 76 77 struct demangle_builtin_type_info 78 { 79 /* Type name. */ 80 const char *name; 81 /* Length of type name. */ 82 int len; 83 /* Type name when using Java. */ 84 const char *java_name; 85 /* Length of java name. */ 86 int java_len; 87 /* How to print a value of this type. */ 88 enum d_builtin_type_print print; 89 }; 90 91 /* The information structure we pass around. */ 92 93 struct d_info 94 { 95 /* The string we are demangling. */ 96 const char *s; 97 /* The end of the string we are demangling. */ 98 const char *send; 99 /* The options passed to the demangler. */ 100 int options; 101 /* The next character in the string to consider. */ 102 const char *n; 103 /* The array of components. */ 104 struct demangle_component *comps; 105 /* The index of the next available component. */ 106 int next_comp; 107 /* The number of available component structures. */ 108 int num_comps; 109 /* The array of substitutions. */ 110 struct demangle_component **subs; 111 /* The index of the next substitution. */ 112 int next_sub; 113 /* The number of available entries in the subs array. */ 114 int num_subs; 115 /* The number of substitutions which we actually made from the subs 116 array, plus the number of template parameter references we 117 saw. */ 118 int did_subs; 119 /* The last name we saw, for constructors and destructors. */ 120 struct demangle_component *last_name; 121 /* A running total of the length of large expansions from the 122 mangled name to the demangled name, such as standard 123 substitutions and builtin types. */ 124 int expansion; 125 /* Non-zero if we are parsing an expression. */ 126 int is_expression; 127 /* Non-zero if we are parsing the type operand of a conversion 128 operator, but not when in an expression. */ 129 int is_conversion; 130 }; 131 132 /* To avoid running past the ending '\0', don't: 133 - call d_peek_next_char if d_peek_char returned '\0' 134 - call d_advance with an 'i' that is too large 135 - call d_check_char(di, '\0') 136 Everything else is safe. */ 137 #define d_peek_char(di) (*((di)->n)) 138 #define d_peek_next_char(di) ((di)->n[1]) 139 #define d_advance(di, i) ((di)->n += (i)) 140 #define d_check_char(di, c) (d_peek_char(di) == c ? ((di)->n++, 1) : 0) 141 #define d_next_char(di) (d_peek_char(di) == '\0' ? '\0' : *((di)->n++)) 142 #define d_str(di) ((di)->n) 143 144 /* Functions and arrays in cp-demangle.c which are referenced by 145 functions in cp-demint.c. */ 146 #ifdef IN_GLIBCPP_V3 147 #define CP_STATIC_IF_GLIBCPP_V3 static 148 #else 149 #define CP_STATIC_IF_GLIBCPP_V3 extern 150 #endif 151 152 #ifndef IN_GLIBCPP_V3 153 extern const struct demangle_operator_info cplus_demangle_operators[]; 154 #endif 155 156 #define D_BUILTIN_TYPE_COUNT (33) 157 158 CP_STATIC_IF_GLIBCPP_V3 159 const struct demangle_builtin_type_info 160 cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT]; 161 162 CP_STATIC_IF_GLIBCPP_V3 163 struct demangle_component * 164 cplus_demangle_mangled_name (struct d_info *, int); 165 166 CP_STATIC_IF_GLIBCPP_V3 167 struct demangle_component * 168 cplus_demangle_type (struct d_info *); 169 170 extern void 171 cplus_demangle_init_info (const char *, int, size_t, struct d_info *); 172 173 /* cp-demangle.c needs to define this a little differently */ 174 #undef CP_STATIC_IF_GLIBCPP_V3 175
