Sweden-Number/tools/widl/typelib.c

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/*
* IDL Compiler
*
* Copyright 2004 Ove Kaaven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <signal.h>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typelib.h"
int in_typelib = 0;
static FILE* typelib;
/* Copied from wtypes.h. Not included directly because that would create a
* circular dependency (after all, wtypes.h is generated by widl...) */
enum VARENUM {
VT_EMPTY = 0,
VT_NULL = 1,
VT_I2 = 2,
VT_I4 = 3,
VT_R4 = 4,
VT_R8 = 5,
VT_CY = 6,
VT_DATE = 7,
VT_BSTR = 8,
VT_DISPATCH = 9,
VT_ERROR = 10,
VT_BOOL = 11,
VT_VARIANT = 12,
VT_UNKNOWN = 13,
VT_DECIMAL = 14,
VT_I1 = 16,
VT_UI1 = 17,
VT_UI2 = 18,
VT_UI4 = 19,
VT_I8 = 20,
VT_UI8 = 21,
VT_INT = 22,
VT_UINT = 23,
VT_VOID = 24,
VT_HRESULT = 25,
VT_PTR = 26,
VT_SAFEARRAY = 27,
VT_CARRAY = 28,
VT_USERDEFINED = 29,
VT_LPSTR = 30,
VT_LPWSTR = 31,
VT_RECORD = 36,
VT_FILETIME = 64,
VT_BLOB = 65,
VT_STREAM = 66,
VT_STORAGE = 67,
VT_STREAMED_OBJECT = 68,
VT_STORED_OBJECT = 69,
VT_BLOB_OBJECT = 70,
VT_CF = 71,
VT_CLSID = 72,
VT_BSTR_BLOB = 0xfff,
VT_VECTOR = 0x1000,
VT_ARRAY = 0x2000,
VT_BYREF = 0x4000,
VT_RESERVED = 0x8000,
VT_ILLEGAL = 0xffff,
VT_ILLEGALMASKED = 0xfff,
VT_TYPEMASK = 0xfff
};
/* List of oleauto types that should be recognized by name.
* (most of) these seem to be intrinsic types in mktyplib. */
static struct oatype {
const char *kw;
unsigned short vt;
} oatypes[] = {
{"BSTR", VT_BSTR},
{"CURRENCY", VT_CY},
{"DATE", VT_DATE},
{"DECIMAL", VT_DECIMAL},
{"HRESULT", VT_HRESULT},
{"LPSTR", VT_LPSTR},
{"LPWSTR", VT_LPWSTR},
{"SCODE", VT_ERROR},
{"VARIANT", VT_VARIANT}
};
#define NTYPES (sizeof(oatypes)/sizeof(oatypes[0]))
#define KWP(p) ((struct oatype *)(p))
static int kw_cmp_func(const void *s1, const void *s2)
{
return strcmp(KWP(s1)->kw, KWP(s2)->kw);
}
static unsigned short builtin_vt(const char *kw)
{
struct oatype key, *kwp;
key.kw = kw;
#ifdef KW_BSEARCH
kwp = bsearch(&key, oatypes, NTYPES, sizeof(oatypes[0]), kw_cmp_func);
#else
{
int i;
for (kwp=NULL, i=0; i < NTYPES; i++)
if (!kw_cmp_func(&key, &oatypes[i])) {
kwp = &oatypes[i];
break;
}
}
#endif
if (kwp) {
return kwp->vt;
}
return 0;
}
static int match(const char*n, const char*m)
{
if (!n) return 0;
return !strcmp(n, m);
}
unsigned short get_type_vt(type_t *t)
{
unsigned short vt;
if (t->name) {
vt = builtin_vt(t->name);
if (vt) return vt;
}
switch (t->type) {
case RPC_FC_BYTE:
case RPC_FC_USMALL:
return VT_UI1;
case RPC_FC_CHAR:
case RPC_FC_SMALL:
return VT_I1;
case RPC_FC_WCHAR:
return VT_I2; /* mktyplib seems to parse wchar_t as short */
case RPC_FC_SHORT:
return VT_I2;
case RPC_FC_USHORT:
return VT_UI2;
case RPC_FC_LONG:
if (t->ref && match(t->ref->name, "int")) return VT_INT;
return VT_I4;
case RPC_FC_ULONG:
if (t->ref && match(t->ref->name, "int")) return VT_UINT;
return VT_UI4;
case RPC_FC_HYPER:
if (t->sign < 0) return VT_UI8;
if (t->ref && match(t->ref->name, "MIDL_uhyper")) return VT_UI8;
return VT_I8;
case RPC_FC_FLOAT:
return VT_R4;
case RPC_FC_DOUBLE:
return VT_R8;
case RPC_FC_RP:
case RPC_FC_UP:
case RPC_FC_OP:
case RPC_FC_FP:
/* it's a pointer... */
if (t->ref && t->ref->type == RPC_FC_IP) {
/* it's to an interface, which one? */
if (match(t->ref->name, "IDispatch"))
return VT_DISPATCH;
if (match(t->ref->name, "IUnknown"))
return VT_UNKNOWN;
}
/* FIXME: should we recurse and add a VT_BYREF? */
/* Or just return VT_PTR? */
error("get_type_vt: unknown-deref-type: %d\n", t->ref->type);
break;
default:
error("get_type_vt: unknown-type: %d\n", t->type);
}
return 0;
}
unsigned short get_var_vt(var_t *v)
{
unsigned short vt;
if (v->tname) {
vt = builtin_vt(v->tname);
if (vt) return vt;
}
return get_type_vt(v->type);
}
void start_typelib(char *name, attr_t *attrs)
{
in_typelib++;
if (!do_everything && !typelib_only) return;
if(!(typelib = fopen(typelib_name, "wb")))
error("Could not open %s for output\n", typelib_name);
}
void end_typelib(void)
{
if (typelib) fclose(typelib);
in_typelib--;
}
void add_interface(type_t *iface)
{
if (!typelib) return;
/* FIXME: add interface and dependent types to typelib */
printf("add interface: %s\n", iface->name);
}
void add_coclass(class_t *cls)
{
ifref_t *lcur = cls->ifaces;
ifref_t *cur;
if (lcur) {
while (NEXT_LINK(lcur)) lcur = NEXT_LINK(lcur);
}
if (!typelib) return;
/* install interfaces the coclass depends on */
cur = lcur;
while (cur) {
add_interface(cur->iface);
cur = PREV_LINK(cur);
}
/* FIXME: add coclass to typelib */
printf("add coclass: %s\n", cls->name);
}
void add_module(type_t *module)
{
if (!typelib) return;
/* FIXME: add module to typelib */
printf("add module: %s\n", module->name);
}