tools/widl/typelib.c

   1 /*
   2  * IDL Compiler
   3  *
   4  * Copyright 2004 Ove Kaaven
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <string.h>
  27 #include <assert.h>
  28 #include <ctype.h>
  29 #include <signal.h>
  30
  31 #include "widl.h"
  32 #include "utils.h"
  33 #include "parser.h"
  34 #include "header.h"
  35 #include "typelib.h"
  36
  37 int in_typelib = 0;
  38
  39 static typelib_t *typelib;
  40
  41 /* List of oleauto types that should be recognized by name.
  42  * (most of) these seem to be intrinsic types in mktyplib. */
  43
  44 static struct oatype {
  45   const char *kw;
  46   unsigned short vt;
  47 } oatypes[] = {
  48   {"BSTR",          VT_BSTR},
  49   {"CURRENCY",      VT_CY},
  50   {"DATE",          VT_DATE},
  51   {"DECIMAL",       VT_DECIMAL},
  52   {"HRESULT",       VT_HRESULT},
  53   {"LPSTR",         VT_LPSTR},
  54   {"LPWSTR",        VT_LPWSTR},
  55   {"SCODE",         VT_ERROR},
  56   {"VARIANT",       VT_VARIANT},
  57   {"VARIANT_BOOL",  VT_BOOL}
  58 };
  59 #define NTYPES (sizeof(oatypes)/sizeof(oatypes[0]))
  60 #define KWP(p) ((const struct oatype *)(p))
  61
  62 static int kw_cmp_func(const void *s1, const void *s2)
  63 {
  64         return strcmp(KWP(s1)->kw, KWP(s2)->kw);
  65 }
  66
  67 static unsigned short builtin_vt(const char *kw)
  68 {
  69   struct oatype key, *kwp;
  70   key.kw = kw;
  71 #ifdef KW_BSEARCH
  72   kwp = bsearch(&key, oatypes, NTYPES, sizeof(oatypes[0]), kw_cmp_func);
  73 #else
  74   {
  75     int i;
  76     for (kwp=NULL, i=0; i < NTYPES; i++)
  77       if (!kw_cmp_func(&key, &oatypes[i])) {
  78         kwp = &oatypes[i];
  79         break;
  80       }
  81   }
  82 #endif
  83   if (kwp) {
  84     return kwp->vt;
  85   }
  86   return 0;
  87 }
  88
  89 static int match(const char*n, const char*m)
  90 {
  91   if (!n) return 0;
  92   return !strcmp(n, m);
  93 }
  94
  95 unsigned short get_type_vt(type_t *t)
  96 {
  97   unsigned short vt;
  98
  99   chat("get_type_vt: %p type->name %s\n", t, t->name);
 100   if (t->name) {
 101     vt = builtin_vt(t->name);
 102     if (vt) return vt;
 103   }
 104
 105   switch (t->type) {
 106   case RPC_FC_BYTE:
 107   case RPC_FC_USMALL:
 108     return VT_UI1;
 109   case RPC_FC_CHAR:
 110   case RPC_FC_SMALL:
 111     return VT_I1;
 112   case RPC_FC_WCHAR:
 113     return VT_I2; /* mktyplib seems to parse wchar_t as short */
 114   case RPC_FC_SHORT:
 115     return VT_I2;
 116   case RPC_FC_USHORT:
 117     return VT_UI2;
 118   case RPC_FC_LONG:
 119     if (t->ref && match(t->ref->name, "int")) return VT_INT;
 120     return VT_I4;
 121   case RPC_FC_ULONG:
 122     if (t->ref && match(t->ref->name, "int")) return VT_UINT;
 123     return VT_UI4;
 124   case RPC_FC_HYPER:
 125     if (t->sign < 0) return VT_UI8;
 126     if (t->ref && match(t->ref->name, "MIDL_uhyper")) return VT_UI8;
 127     return VT_I8;
 128   case RPC_FC_FLOAT:
 129     return VT_R4;
 130   case RPC_FC_DOUBLE:
 131     return VT_R8;
 132   case RPC_FC_RP:
 133   case RPC_FC_UP:
 134   case RPC_FC_OP:
 135   case RPC_FC_FP:
 136     if(t->ref)
 137       return VT_PTR;
 138
 139     error("get_type_vt: unknown-deref-type: %d\n", t->ref->type);
 140     break;
 141   case RPC_FC_IP:
 142     if(match(t->name, "IUnknown"))
 143       return VT_UNKNOWN;
 144     if(match(t->name, "IDispatch"))
 145       return VT_DISPATCH;
 146     return VT_USERDEFINED;
 147
 148   case RPC_FC_ENUM16:
 149   case RPC_FC_STRUCT:
 150   case RPC_FC_PSTRUCT:
 151   case RPC_FC_CSTRUCT:
 152   case RPC_FC_CPSTRUCT:
 153   case RPC_FC_CVSTRUCT:
 154   case RPC_FC_BOGUS_STRUCT:
 155     return VT_USERDEFINED;
 156   case 0:
 157     if(t->attrs)
 158         return VT_USERDEFINED;
 159     return 0;
 160   default:
 161     error("get_type_vt: unknown type: 0x%02x\n", t->type);
 162   }
 163   return 0;
 164 }
 165
 166 unsigned short get_var_vt(var_t *v)
 167 {
 168   unsigned short vt;
 169
 170   chat("get_var_vt: %p tname %s\n", v, v->tname);
 171   if (v->tname) {
 172     vt = builtin_vt(v->tname);
 173     if (vt) return vt;
 174   }
 175
 176   return get_type_vt(v->type);
 177 }
 178
 179 void start_typelib(char *name, attr_t *attrs)
 180 {
 181     in_typelib++;
 182     if (!do_typelib) return;
 183
 184     typelib = xmalloc(sizeof(*typelib));
 185     typelib->name = xstrdup(name);
 186     typelib->filename = xstrdup(typelib_name);
 187     typelib->attrs = attrs;
 188 }
 189
 190 void end_typelib(void)
 191 {
 192     in_typelib--;
 193     if (!typelib) return;
 194
 195     create_msft_typelib(typelib);
 196     return;
 197 }
 198
 199 void add_interface(type_t *iface)
 200 {
 201     typelib_entry_t *entry;
 202     if (!typelib) return;
 203
 204     chat("add interface: %s\n", iface->name);
 205     entry = xmalloc(sizeof(*entry));
 206     entry->kind = TKIND_INTERFACE;
 207     entry->u.interface = iface;
 208     LINK(entry, typelib->entry);
 209     typelib->entry = entry;
 210 }
 211
 212 void add_coclass(class_t *cls)
 213 {
 214     typelib_entry_t *entry;
 215
 216     if (!typelib) return;
 217
 218     chat("add coclass: %s\n", cls->name);
 219
 220     entry = xmalloc(sizeof(*entry));
 221     entry->kind = TKIND_COCLASS;
 222     entry->u.class = cls;
 223     LINK(entry, typelib->entry);
 224     typelib->entry = entry;
 225 }
 226
 227 void add_module(type_t *module)
 228 {
 229     typelib_entry_t *entry;
 230     if (!typelib) return;
 231
 232     chat("add module: %s\n", module->name);
 233     entry = xmalloc(sizeof(*entry));
 234     entry->kind = TKIND_MODULE;
 235     entry->u.module = module;
 236     LINK(entry, typelib->entry);
 237     typelib->entry = entry;
 238 }
 239
 240 void add_struct(type_t *structure)
 241 {
 242      typelib_entry_t *entry;
 243      if (!typelib) return;
 244
 245      chat("add struct: %s\n", structure->name);
 246      entry = xmalloc(sizeof(*entry));
 247      entry->kind = TKIND_RECORD;
 248      entry->u.structure = structure;
 249      LINK(entry, typelib->entry);
 250      typelib->entry = entry;
 251 }
 252
 253 void add_enum(type_t *enumeration)
 254 {
 255      typelib_entry_t *entry;
 256      if (!typelib) return;
 257
 258      chat("add enum: %s\n", enumeration->name);
 259      entry = xmalloc(sizeof(*entry));
 260      entry->kind = TKIND_ENUM;
 261      entry->u.enumeration = enumeration;
 262      LINK(entry, typelib->entry);
 263      typelib->entry = entry;
 264 }
 265
 266 void add_typedef(type_t *tdef, var_t *name)
 267 {
 268      typelib_entry_t *entry;
 269      if (!typelib) return;
 270
 271      entry = xmalloc(sizeof(*entry));
 272      entry->kind = TKIND_ALIAS;
 273      entry->u.tdef = xmalloc(sizeof(*entry->u.tdef));
 274      memcpy(entry->u.tdef, name, sizeof(*name));
 275      entry->u.tdef->type = tdef;
 276      entry->u.tdef->name = xstrdup(name->name);
 277      LINK(entry, typelib->entry);
 278      typelib->entry = entry;
 279 }