nsz Git - cparser/blob - types.c

   1 /*
   2  * This file is part of cparser.
   3  * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18  * 02111-1307, USA.
  19  */
  20 #include "type_t.h"
  21 #include "types.h"
  22 #include "lang_features.h"
  23 #include "entity_t.h"
  24
  25 /** The error type. */
  26 type_t *type_error_type;
  27
  28 type_t *type_bool;
  29 type_t *type_char;
  30 type_t *type_const_char;
  31 type_t *type_double;
  32 type_t *type_float;
  33 type_t *type_int;
  34 type_t *type_long_double;
  35 type_t *type_long_long;
  36 type_t *type_long;
  37 type_t *type_short;
  38 type_t *type_unsigned_short;
  39 type_t *type_signed_char;
  40 type_t *type_unsigned_char;
  41 type_t *type_unsigned_int;
  42 type_t *type_unsigned_long_long;
  43 type_t *type_unsigned_long;
  44 type_t *type_void;
  45
  46 type_t *type_char_ptr;
  47 type_t *type_char_ptr_restrict;
  48 type_t *type_const_char_ptr;
  49 type_t *type_const_char_ptr_restrict;
  50 type_t *type_int_ptr;
  51 type_t *type_long_long_ptr;
  52 type_t *type_long_ptr;
  53 type_t *type_unsigned_long_ptr;
  54 type_t *type_short_ptr;
  55 type_t *type_signed_char_ptr;
  56 type_t *type_void_ptr;
  57 type_t *type_const_void_ptr;
  58 type_t *type_void_ptr_restrict;
  59 type_t *type_const_void_ptr_restrict;
  60
  61 type_t *type_char_ptr_ptr;
  62
  63 type_t *type_intmax_t;
  64 type_t *type_ptrdiff_t;
  65 type_t *type_size_t;
  66 type_t *type_ssize_t;
  67 type_t *type_uintmax_t;
  68 type_t *type_uptrdiff_t;
  69 type_t *type_wchar_t;
  70 type_t *type_const_wchar_t;
  71 type_t *type_wint_t;
  72
  73 type_t *type_intmax_t_ptr;
  74 type_t *type_ptrdiff_t_ptr;
  75 type_t *type_ssize_t_ptr;
  76 type_t *type_wchar_t_ptr;
  77 type_t *type_const_wchar_t_ptr;
  78
  79 type_t *type_valist;
  80
  81 /* microsoft types */
  82 atomic_type_kind_t int8_type_kind            = ATOMIC_TYPE_INVALID;
  83 atomic_type_kind_t int16_type_kind           = ATOMIC_TYPE_INVALID;
  84 atomic_type_kind_t int32_type_kind           = ATOMIC_TYPE_INVALID;
  85 atomic_type_kind_t int64_type_kind           = ATOMIC_TYPE_INVALID;
  86 atomic_type_kind_t int128_type_kind          = ATOMIC_TYPE_INVALID;
  87 atomic_type_kind_t unsigned_int8_type_kind   = ATOMIC_TYPE_INVALID;
  88 atomic_type_kind_t unsigned_int16_type_kind  = ATOMIC_TYPE_INVALID;
  89 atomic_type_kind_t unsigned_int32_type_kind  = ATOMIC_TYPE_INVALID;
  90 atomic_type_kind_t unsigned_int64_type_kind  = ATOMIC_TYPE_INVALID;
  91 atomic_type_kind_t unsigned_int128_type_kind = ATOMIC_TYPE_INVALID;
  92
  93 type_t *type_int8;
  94 type_t *type_int16;
  95 type_t *type_int32;
  96 type_t *type_int64;
  97 type_t *type_unsigned_int8;
  98 type_t *type_unsigned_int16;
  99 type_t *type_unsigned_int32;
 100 type_t *type_unsigned_int64;
 101 type_t *type_int64_ptr;
 102
 103
 104 void init_basic_types(void)
 105 {
 106         static const type_base_t error = { TYPE_ERROR, TYPE_QUALIFIER_NONE, NULL };
 107
 108         type_error_type         = (type_t*)&error;
 109         type_bool               = make_atomic_type(ATOMIC_TYPE_BOOL,        TYPE_QUALIFIER_NONE);
 110         type_signed_char        = make_atomic_type(ATOMIC_TYPE_SCHAR,       TYPE_QUALIFIER_NONE);
 111         type_unsigned_char      = make_atomic_type(ATOMIC_TYPE_UCHAR,       TYPE_QUALIFIER_NONE);
 112         type_short              = make_atomic_type(ATOMIC_TYPE_SHORT,       TYPE_QUALIFIER_NONE);
 113         type_unsigned_short     = make_atomic_type(ATOMIC_TYPE_USHORT,      TYPE_QUALIFIER_NONE);
 114         type_int                = make_atomic_type(ATOMIC_TYPE_INT,         TYPE_QUALIFIER_NONE);
 115         type_unsigned_int       = make_atomic_type(ATOMIC_TYPE_UINT,        TYPE_QUALIFIER_NONE);
 116         type_long               = make_atomic_type(ATOMIC_TYPE_LONG,        TYPE_QUALIFIER_NONE);
 117         type_unsigned_long      = make_atomic_type(ATOMIC_TYPE_ULONG,       TYPE_QUALIFIER_NONE);
 118         type_long_long          = make_atomic_type(ATOMIC_TYPE_LONGLONG,    TYPE_QUALIFIER_NONE);
 119         type_unsigned_long_long = make_atomic_type(ATOMIC_TYPE_ULONGLONG,   TYPE_QUALIFIER_NONE);
 120         type_long_double        = make_atomic_type(ATOMIC_TYPE_LONG_DOUBLE, TYPE_QUALIFIER_NONE);
 121         type_double             = make_atomic_type(ATOMIC_TYPE_DOUBLE,      TYPE_QUALIFIER_NONE);
 122         type_float              = make_atomic_type(ATOMIC_TYPE_FLOAT,       TYPE_QUALIFIER_NONE);
 123         type_char               = make_atomic_type(ATOMIC_TYPE_CHAR,        TYPE_QUALIFIER_NONE);
 124         type_void               = make_atomic_type(ATOMIC_TYPE_VOID,        TYPE_QUALIFIER_NONE);
 125
 126         /* microsoft types */
 127         if (c_mode & _MS) {
 128                 int8_type_kind           = find_signed_int_atomic_type_kind_for_size(1);
 129                 type_int8                = make_atomic_type(int8_type_kind, TYPE_QUALIFIER_NONE);
 130                 int16_type_kind          = find_signed_int_atomic_type_kind_for_size(2);
 131                 type_int16               = make_atomic_type(int16_type_kind, TYPE_QUALIFIER_NONE);
 132                 int32_type_kind          = find_signed_int_atomic_type_kind_for_size(4);
 133                 type_int32               = make_atomic_type(int32_type_kind, TYPE_QUALIFIER_NONE);
 134                 int64_type_kind          = find_signed_int_atomic_type_kind_for_size(8);
 135                 type_int64               = make_atomic_type(int64_type_kind, TYPE_QUALIFIER_NONE);
 136                 unsigned_int8_type_kind  = find_unsigned_int_atomic_type_kind_for_size(1);
 137                 type_unsigned_int8       = make_atomic_type(unsigned_int8_type_kind, TYPE_QUALIFIER_NONE);
 138                 unsigned_int16_type_kind = find_unsigned_int_atomic_type_kind_for_size(2);
 139                 type_unsigned_int16      = make_atomic_type(unsigned_int16_type_kind, TYPE_QUALIFIER_NONE);
 140                 unsigned_int32_type_kind = find_unsigned_int_atomic_type_kind_for_size(4);
 141                 type_unsigned_int32      = make_atomic_type(unsigned_int32_type_kind, TYPE_QUALIFIER_NONE);
 142                 unsigned_int64_type_kind = find_unsigned_int_atomic_type_kind_for_size(8);
 143                 type_unsigned_int64      = make_atomic_type(unsigned_int64_type_kind, TYPE_QUALIFIER_NONE);
 144
 145                 /* pointer types */
 146                 type_int64_ptr           = make_pointer_type(type_int64,              TYPE_QUALIFIER_NONE);
 147         }
 148
 149         /* pointer types */
 150         type_void_ptr           = make_pointer_type(type_void,              TYPE_QUALIFIER_NONE);
 151         type_const_void_ptr     = make_pointer_type(type_void,              TYPE_QUALIFIER_CONST);
 152         type_void_ptr_restrict  = make_pointer_type(type_void,              TYPE_QUALIFIER_RESTRICT);
 153         type_const_void_ptr_restrict
 154                                 = make_pointer_type(type_void,              TYPE_QUALIFIER_CONST | TYPE_QUALIFIER_RESTRICT);
 155         type_char_ptr           = make_pointer_type(type_char,              TYPE_QUALIFIER_NONE);
 156         type_char_ptr_restrict  = make_pointer_type(type_char,              TYPE_QUALIFIER_RESTRICT);
 157         type_signed_char_ptr    = make_pointer_type(type_signed_char,       TYPE_QUALIFIER_NONE);
 158         type_short_ptr          = make_pointer_type(type_short,             TYPE_QUALIFIER_NONE);
 159         type_int_ptr            = make_pointer_type(type_int,               TYPE_QUALIFIER_NONE);
 160         type_long_ptr           = make_pointer_type(type_long,              TYPE_QUALIFIER_NONE);
 161         type_unsigned_long_ptr  = make_pointer_type(type_unsigned_long,     TYPE_QUALIFIER_NONE);
 162         type_long_long_ptr      = make_pointer_type(type_long_long,         TYPE_QUALIFIER_NONE);
 163
 164         type_char_ptr_ptr       = make_pointer_type(type_char_ptr,          TYPE_QUALIFIER_NONE);
 165         type_valist             = type_void_ptr;
 166
 167         /* const character types */
 168         type_const_char         = make_atomic_type(ATOMIC_TYPE_CHAR,        TYPE_QUALIFIER_CONST);
 169         type_const_char_ptr     = make_pointer_type(type_const_char,        TYPE_QUALIFIER_NONE);
 170         type_const_char_ptr_restrict = make_pointer_type(type_const_char,        TYPE_QUALIFIER_RESTRICT);
 171
 172         /* other types */
 173         type_intmax_t    = type_long_long;
 174         type_size_t      = type_unsigned_long;
 175         type_ssize_t     = type_long;
 176         type_ptrdiff_t   = type_long;
 177         type_uintmax_t   = type_unsigned_long_long;
 178         type_uptrdiff_t  = type_unsigned_long;
 179         type_wchar_t     = make_atomic_type(wchar_atomic_kind, TYPE_QUALIFIER_NONE);
 180         type_wint_t      = type_int;
 181         type_const_wchar_t
 182                 = make_atomic_type(wchar_atomic_kind, TYPE_QUALIFIER_CONST);
 183
 184         type_intmax_t_ptr  = make_pointer_type(type_intmax_t,  TYPE_QUALIFIER_NONE);
 185         type_ptrdiff_t_ptr = make_pointer_type(type_ptrdiff_t, TYPE_QUALIFIER_NONE);
 186         type_ssize_t_ptr   = make_pointer_type(type_ssize_t,   TYPE_QUALIFIER_NONE);
 187         type_wchar_t_ptr   = make_pointer_type(type_wchar_t,   TYPE_QUALIFIER_NONE);
 188         type_const_wchar_t_ptr
 189                 = make_pointer_type(type_const_wchar_t, TYPE_QUALIFIER_NONE);
 190 }