Sweden-Number/tools/widl/typelib.c

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/*
* IDL Compiler
*
* Copyright 2004 Ove Kaaven
* Copyright 2006 Jacek Caban for CodeWeavers
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include "wine/wpp.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <signal.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typelib.h"
#include "widltypes.h"
#include "typelib_struct.h"
int in_typelib = 0;
static typelib_t *typelib;
type_t *duptype(type_t *t, int dupname)
{
type_t *d = xmalloc(sizeof *d);
*d = *t;
if (dupname && t->name)
d->name = xstrdup(t->name);
d->orig = t;
return d;
}
type_t *alias(type_t *t, const char *name)
{
type_t *a = duptype(t, 0);
a->name = xstrdup(name);
a->kind = TKIND_ALIAS;
a->attrs = NULL;
return a;
}
int is_ptr(const type_t *t)
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{
unsigned char c = t->type;
return c == RPC_FC_RP
|| c == RPC_FC_UP
|| c == RPC_FC_FP
|| c == RPC_FC_OP;
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}
/* 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},
{"VARIANT_BOOL", VT_BOOL}
};
#define NTYPES (sizeof(oatypes)/sizeof(oatypes[0]))
#define KWP(p) ((const 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
{
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unsigned 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;
chat("get_type_vt: %p type->name %s\n", t, t->name);
if (t->name) {
vt = builtin_vt(t->name);
if (vt) return vt;
}
if (t->kind == TKIND_ALIAS && t->attrs)
return VT_USERDEFINED;
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 (match(t->name, "int")) return VT_INT;
return VT_I4;
case RPC_FC_ULONG:
if (match(t->name, "int")) return VT_UINT;
return VT_UI4;
case RPC_FC_HYPER:
if (t->sign < 0) return VT_UI8;
if (match(t->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:
if(t->ref)
{
if (match(t->ref->name, "SAFEARRAY"))
return VT_SAFEARRAY;
return VT_PTR;
}
error("get_type_vt: unknown-deref-type: %d\n", t->ref->type);
break;
case RPC_FC_IP:
if(match(t->name, "IUnknown"))
return VT_UNKNOWN;
if(match(t->name, "IDispatch"))
return VT_DISPATCH;
return VT_USERDEFINED;
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case RPC_FC_ENUM16:
case RPC_FC_STRUCT:
case RPC_FC_PSTRUCT:
case RPC_FC_CSTRUCT:
case RPC_FC_CPSTRUCT:
case RPC_FC_CVSTRUCT:
case RPC_FC_BOGUS_STRUCT:
return VT_USERDEFINED;
case 0:
return t->kind == TKIND_PRIMITIVE ? VT_VOID : VT_USERDEFINED;
default:
error("get_type_vt: unknown type: 0x%02x\n", t->type);
}
return 0;
}
unsigned short get_var_vt(var_t *v)
{
unsigned short vt;
chat("get_var_vt: %p tname %s\n", v, v->tname);
if (v->tname) {
vt = builtin_vt(v->tname);
if (vt) return vt;
}
return get_type_vt(v->type);
}
void start_typelib(char *name, attr_list_t *attrs)
{
in_typelib++;
if (!do_typelib) return;
typelib = xmalloc(sizeof(*typelib));
typelib->name = xstrdup(name);
typelib->filename = xstrdup(typelib_name);
typelib->attrs = attrs;
list_init( &typelib->entries );
list_init( &typelib->importlibs );
}
void end_typelib(void)
{
in_typelib--;
if (!typelib) return;
create_msft_typelib(typelib);
return;
}
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void add_typelib_entry(type_t *t)
{
typelib_entry_t *entry;
if (!typelib) return;
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chat("add kind %i: %s\n", t->kind, t->name);
entry = xmalloc(sizeof(*entry));
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entry->type = t;
list_add_tail( &typelib->entries, &entry->entry );
}
static void tlb_read(int fd, void *buf, int count)
{
if(read(fd, buf, count) < count)
error("error while reading importlib.\n");
}
static void tlb_lseek(int fd, off_t offset)
{
if(lseek(fd, offset, SEEK_SET) == -1)
error("lseek failed\n");
}
static void msft_read_guid(int fd, MSFT_SegDir *segdir, int offset, GUID *guid)
{
tlb_lseek(fd, segdir->pGuidTab.offset+offset);
tlb_read(fd, guid, sizeof(GUID));
}
static void read_msft_importlib(importlib_t *importlib, int fd)
{
MSFT_Header header;
MSFT_SegDir segdir;
int *typeinfo_offs;
int i;
importlib->allocated = 0;
tlb_lseek(fd, 0);
tlb_read(fd, &header, sizeof(header));
importlib->version = header.version;
typeinfo_offs = xmalloc(header.nrtypeinfos*sizeof(INT));
tlb_read(fd, typeinfo_offs, header.nrtypeinfos*sizeof(INT));
tlb_read(fd, &segdir, sizeof(segdir));
msft_read_guid(fd, &segdir, header.posguid, &importlib->guid);
importlib->ntypeinfos = header.nrtypeinfos;
importlib->importinfos = xmalloc(importlib->ntypeinfos*sizeof(importinfo_t));
for(i=0; i < importlib->ntypeinfos; i++) {
MSFT_TypeInfoBase base;
MSFT_NameIntro nameintro;
int len;
tlb_lseek(fd, sizeof(MSFT_Header) + header.nrtypeinfos*sizeof(INT) + sizeof(MSFT_SegDir)
+ typeinfo_offs[i]);
tlb_read(fd, &base, sizeof(base));
importlib->importinfos[i].importlib = importlib;
importlib->importinfos[i].flags = (base.typekind&0xf)<<24;
importlib->importinfos[i].offset = -1;
importlib->importinfos[i].id = i;
if(base.posguid != -1) {
importlib->importinfos[i].flags |= MSFT_IMPINFO_OFFSET_IS_GUID;
msft_read_guid(fd, &segdir, base.posguid, &importlib->importinfos[i].guid);
}
else memset( &importlib->importinfos[i].guid, 0, sizeof(importlib->importinfos[i].guid));
tlb_lseek(fd, segdir.pNametab.offset + base.NameOffset);
tlb_read(fd, &nameintro, sizeof(nameintro));
len = nameintro.namelen & 0xff;
importlib->importinfos[i].name = xmalloc(len+1);
tlb_read(fd, importlib->importinfos[i].name, len);
importlib->importinfos[i].name[len] = 0;
}
free(typeinfo_offs);
}
static void read_importlib(importlib_t *importlib)
{
int fd;
INT magic;
char *file_name;
file_name = wpp_find_include(importlib->name, NULL);
if(file_name) {
fd = open(file_name, O_RDONLY);
free(file_name);
}else {
fd = open(importlib->name, O_RDONLY);
}
if(fd < 0)
error("Could not open importlib %s.\n", importlib->name);
tlb_read(fd, &magic, sizeof(magic));
switch(magic) {
case MSFT_MAGIC:
read_msft_importlib(importlib, fd);
break;
default:
error("Wrong or unsupported typelib magic %x\n", magic);
};
close(fd);
}
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void add_importlib(const char *name)
{
importlib_t *importlib;
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if(!typelib) return;
LIST_FOR_EACH_ENTRY( importlib, &typelib->importlibs, importlib_t, entry )
if(!strcmp(name, importlib->name))
return;
chat("add_importlib: %s\n", name);
importlib = xmalloc(sizeof(*importlib));
memset( importlib, 0, sizeof(*importlib) );
importlib->name = xstrdup(name);
read_importlib(importlib);
list_add_head( &typelib->importlibs, &importlib->entry );
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}