nsz Git - libfirm/blob - ir/tr/tpop.c

   1 /*
   2  * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
   3  *
   4  * This file is part of libFirm.
   5  *
   6  * This file may be distributed and/or modified under the terms of the
   7  * GNU General Public License version 2 as published by the Free Software
   8  * Foundation and appearing in the file LICENSE.GPL included in the
   9  * packaging of this file.
  10  *
  11  * Licensees holding valid libFirm Professional Edition licenses may use
  12  * this file in accordance with the libFirm Commercial License.
  13  * Agreement provided with the Software.
  14  *
  15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE.
  18  */
  19
  20 /**
  21  * @file
  22  * @brief   Opcode of types.
  23  * @author  Goetz Lindenmaier, Michael Beck
  24  * @version $Id$
  25  */
  26 #include "config.h"
  27
  28 #include "xmalloc.h"
  29 #include "tpop_t.h"
  30 #include "type_t.h"
  31 #include "ident.h"
  32
  33 const tp_op *type_class;         const tp_op *get_tpop_class      (void) { return type_class;       }
  34 const tp_op *type_struct;        const tp_op *get_tpop_struct     (void) { return type_struct;      }
  35 const tp_op *type_method;        const tp_op *get_tpop_method     (void) { return type_method;      }
  36 const tp_op *type_union;         const tp_op *get_tpop_union      (void) { return type_union;       }
  37 const tp_op *type_array;         const tp_op *get_tpop_array      (void) { return type_array;       }
  38 const tp_op *type_enumeration;   const tp_op *get_tpop_enumeration(void) { return type_enumeration; }
  39 const tp_op *type_pointer;       const tp_op *get_tpop_pointer    (void) { return type_pointer;     }
  40 const tp_op *type_primitive;     const tp_op *get_tpop_primitive  (void) { return type_primitive;   }
  41 const tp_op *type_id;            const tp_op *get_tpop_id         (void) { return type_id;          }
  42 const tp_op *tpop_code;          const tp_op *get_tpop_code_type  (void) { return tpop_code;        }
  43 const tp_op *tpop_none;          const tp_op *get_tpop_none       (void) { return tpop_none;        }
  44 const tp_op *tpop_unknown;       const tp_op *get_tpop_unknown    (void) { return tpop_unknown;     }
  45
  46 const tp_op *
  47 new_tpop(tp_opcode code, ident *name, unsigned flags, size_t attr_size, const tp_op_ops *ops)
  48 {
  49         tp_op *res = XMALLOC(tp_op);
  50         res->code          = code;
  51         res->name          = name;
  52         res->flags         = flags;
  53         res->attr_size     = attr_size;
  54
  55         if (ops)
  56                 memcpy(&res->ops, ops, sizeof(res->ops));
  57         else
  58                 memset(&res->ops, 0, sizeof(res->ops));
  59
  60         return res;
  61 }
  62
  63 void
  64 free_tpop(const tp_op *tpop) {
  65         xfree((void *)tpop);
  66 }
  67
  68 static const tp_op_ops
  69         /** tpop operations for class types */
  70         class_ops = {
  71                 free_class_attrs,
  72                 free_class_entities,
  73                 NULL,
  74                 set_class_mode,
  75                 set_class_size,
  76                 get_class_n_members,
  77                 get_class_member,
  78                 get_class_member_index
  79         },
  80         /** tpop operations for struct types */
  81         struct_ops = {
  82                 free_struct_attrs,
  83                 free_struct_entities,
  84                 NULL,
  85                 set_struct_mode,
  86                 set_struct_size,
  87                 get_struct_n_members,
  88                 get_struct_member,
  89                 get_struct_member_index
  90         },
  91         /** tpop operations for method types */
  92         method_ops = {
  93                 free_method_attrs,
  94                 free_method_entities,
  95                 NULL,
  96                 NULL,
  97                 NULL,
  98                 NULL,
  99                 NULL,
 100                 NULL
 101                 },
 102         /** tpop operations for union types */
 103         union_ops = {
 104                 free_union_attrs,
 105                 free_union_entities,
 106                 NULL,
 107                 NULL,
 108                 set_union_size,
 109                 get_union_n_members,
 110                 get_union_member,
 111                 get_union_member_index
 112         },
 113         /** tpop operations for array types */
 114         array_ops = {
 115                 free_array_attrs,
 116                 free_array_entities,
 117                 free_array_automatic_entities,
 118                 NULL,
 119                 set_array_size,
 120                 NULL,
 121                 NULL,
 122                 NULL
 123         },
 124         /** tpop operations for enumeration types */
 125         enum_ops = {
 126                 free_enumeration_attrs,
 127                 free_enumeration_entities,
 128                 NULL,
 129                 set_enumeration_mode,
 130                 NULL,
 131                 NULL,
 132                 NULL,
 133                 NULL
 134         },
 135         /** tpop operations for pointer types */
 136         pointer_ops = {
 137                 free_pointer_attrs,
 138                 free_pointer_entities,
 139                 NULL,
 140                 set_pointer_mode,
 141                 NULL,
 142                 NULL,
 143                 NULL,
 144                 NULL
 145         },
 146         /** tpop operations for pseudo types */
 147         pseudo_ops = {
 148                 NULL,
 149                 NULL,
 150                 NULL,
 151                 NULL,
 152                 set_default_size,
 153                 NULL,
 154                 NULL,
 155                 NULL
 156         },
 157         /** tpop operations for primitive types */
 158         null_ops = {
 159                 NULL,
 160                 NULL,
 161                 NULL,
 162                 NULL,
 163                 NULL,
 164                 NULL,
 165                 NULL,
 166                 NULL
 167         };
 168
 169 #define C     TP_OP_FLAG_COMPOUND
 170 #define ID(s) new_id_from_chars(s, sizeof(s) - 1)
 171
 172 void init_tpop(void) {
 173         type_class       = new_tpop(tpo_class      , ID("class"),       C, sizeof (cls_attr), &class_ops);
 174         type_struct      = new_tpop(tpo_struct     , ID("struct"),      C, sizeof (stc_attr), &struct_ops);
 175         type_method      = new_tpop(tpo_method     , ID("method"),      0, sizeof (mtd_attr), &method_ops);
 176         type_union       = new_tpop(tpo_union      , ID("union"),       C, sizeof (uni_attr), &union_ops);
 177         type_array       = new_tpop(tpo_array      , ID("array"),       C, sizeof (arr_attr), &array_ops);
 178         type_enumeration = new_tpop(tpo_enumeration, ID("enumeration"), 0, sizeof (enm_attr), &enum_ops);
 179         type_pointer     = new_tpop(tpo_pointer    , ID("pointer"),     0, sizeof (ptr_attr), &pointer_ops);
 180         type_primitive   = new_tpop(tpo_primitive  , ID("primitive"),   0, sizeof (pri_attr), &null_ops);
 181         tpop_code        = new_tpop(tpo_code       , ID("code"),        0, /* sizeof (non_attr) */ 0, &null_ops);
 182         type_id          = new_tpop(tpo_id         , ID("type_id"),     0, /* sizeof (id_attr)  */ 0, &null_ops);
 183         tpop_none        = new_tpop(tpo_none       , ID("None"),        0, /* sizeof (non_attr) */ 0, &pseudo_ops);
 184         tpop_unknown     = new_tpop(tpo_unknown    , ID("Unknown"),     0, /* sizeof (ukn_attr) */ 0, &pseudo_ops);
 185 }
 186 #undef ID
 187 #undef C
 188
 189 /* Finalize the tpop module.
 190  * Frees all type opcodes.  */
 191 void finish_tpop(void) {
 192         free_tpop(type_class      ); type_class       = NULL;
 193         free_tpop(type_struct     ); type_struct      = NULL;
 194         free_tpop(type_method     ); type_method      = NULL;
 195         free_tpop(type_union      ); type_union       = NULL;
 196         free_tpop(type_array      ); type_array       = NULL;
 197         free_tpop(type_enumeration); type_enumeration = NULL;
 198         free_tpop(type_pointer    ); type_pointer     = NULL;
 199         free_tpop(type_primitive  ); type_primitive   = NULL;
 200         free_tpop(tpop_code       ); tpop_code        = NULL;
 201         free_tpop(type_id         ); type_id          = NULL;
 202         free_tpop(tpop_none       ); tpop_none        = NULL;
 203         free_tpop(tpop_unknown    ); tpop_unknown     = NULL;
 204 }
 205
 206 /* Returns the string for the tp_opcode. */
 207 const char  *get_tpop_name(const tp_op *op) {
 208         return get_id_str(op->name);
 209 }
 210
 211 tp_opcode (get_tpop_code)(const tp_op *op) {
 212         return _get_tpop_code(op);
 213 }
 214
 215 ident *(get_tpop_ident)(const tp_op *op) {
 216         return _get_tpop_ident(op);
 217 }
 218
 219 /* returns the attribute size of the operator. */
 220 int (get_tpop_attr_size)(const tp_op *op) {
 221         return _get_tpop_attr_size(op);
 222 }