Sweden-Number/dlls/vbscript/vbscript_main.c

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/*
* Copyright 2011 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 "initguid.h"
#include "vbscript.h"
#include "objsafe.h"
#include "mshtmhst.h"
#include "rpcproxy.h"
#include "vbscript_classes.h"
#include "vbsglobal.h"
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#include "vbsregexp55.h"
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#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
WINE_DECLARE_DEBUG_CHANNEL(heap);
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DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0);
static HINSTANCE vbscript_hinstance;
BSTR get_vbscript_string(int id)
{
WCHAR buf[512];
if(!LoadStringW(vbscript_hinstance, id, buf, ARRAY_SIZE(buf))) return NULL;
return SysAllocString(buf);
}
BSTR get_vbscript_error_string(HRESULT error)
{
BSTR ret;
if(HRESULT_FACILITY(error) != FACILITY_VBS || !(ret = get_vbscript_string(HRESULT_CODE(error))))
ret = get_vbscript_string(VBS_UNKNOWN_RUNTIME_ERROR);
return ret;
}
#define MIN_BLOCK_SIZE 128
#define ARENA_FREE_FILLER 0xaa
static inline DWORD block_size(DWORD block)
{
return MIN_BLOCK_SIZE << block;
}
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void heap_pool_init(heap_pool_t *heap)
{
memset(heap, 0, sizeof(*heap));
list_init(&heap->custom_blocks);
}
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void *heap_pool_alloc(heap_pool_t *heap, size_t size)
{
struct list *list;
void *tmp;
size = (size+3)&~3;
if(!heap->block_cnt) {
if(!heap->blocks) {
heap->blocks = heap_alloc(sizeof(void*));
if(!heap->blocks)
return NULL;
}
tmp = heap_alloc(block_size(0));
if(!tmp)
return NULL;
heap->blocks[0] = tmp;
heap->block_cnt = 1;
}
if(heap->offset + size <= block_size(heap->last_block)) {
tmp = ((BYTE*)heap->blocks[heap->last_block])+heap->offset;
heap->offset += size;
return tmp;
}
if(size <= block_size(heap->last_block+1)) {
if(heap->last_block+1 == heap->block_cnt) {
tmp = heap_realloc(heap->blocks, (heap->block_cnt+1)*sizeof(void*));
if(!tmp)
return NULL;
heap->blocks = tmp;
heap->blocks[heap->block_cnt] = heap_alloc(block_size(heap->block_cnt));
if(!heap->blocks[heap->block_cnt])
return NULL;
heap->block_cnt++;
}
heap->last_block++;
heap->offset = size;
return heap->blocks[heap->last_block];
}
list = heap_alloc(size + sizeof(struct list));
if(!list)
return NULL;
list_add_head(&heap->custom_blocks, list);
return list+1;
}
void *heap_pool_grow(heap_pool_t *heap, void *mem, DWORD size, DWORD inc)
{
void *ret;
if(mem == (BYTE*)heap->blocks[heap->last_block] + heap->offset-size
&& heap->offset+inc < block_size(heap->last_block)) {
heap->offset += inc;
return mem;
}
ret = heap_pool_alloc(heap, size+inc);
if(ret) /* FIXME: avoid copying for custom blocks */
memcpy(ret, mem, size);
return ret;
}
void heap_pool_clear(heap_pool_t *heap)
{
struct list *tmp;
if(!heap)
return;
while((tmp = list_next(&heap->custom_blocks, &heap->custom_blocks))) {
list_remove(tmp);
heap_free(tmp);
}
if(WARN_ON(heap)) {
DWORD i;
for(i=0; i < heap->block_cnt; i++)
memset(heap->blocks[i], ARENA_FREE_FILLER, block_size(i));
}
heap->last_block = heap->offset = 0;
heap->mark = FALSE;
}
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void heap_pool_free(heap_pool_t *heap)
{
DWORD i;
heap_pool_clear(heap);
for(i=0; i < heap->block_cnt; i++)
heap_free(heap->blocks[i]);
heap_free(heap->blocks);
heap_pool_init(heap);
}
heap_pool_t *heap_pool_mark(heap_pool_t *heap)
{
if(heap->mark)
return NULL;
heap->mark = TRUE;
return heap;
}
static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
{
*ppv = NULL;
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
*ppv = iface;
}else if(IsEqualGUID(&IID_IClassFactory, riid)) {
TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
*ppv = iface;
}
if(*ppv) {
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
return E_NOINTERFACE;
}
static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
{
TRACE("(%p)\n", iface);
return 2;
}
static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
{
TRACE("(%p)\n", iface);
return 1;
}
static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
{
TRACE("(%p)->(%x)\n", iface, fLock);
return S_OK;
}
static const IClassFactoryVtbl VBScriptFactoryVtbl = {
ClassFactory_QueryInterface,
ClassFactory_AddRef,
ClassFactory_Release,
VBScriptFactory_CreateInstance,
ClassFactory_LockServer
};
static IClassFactory VBScriptFactory = { &VBScriptFactoryVtbl };
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static const IClassFactoryVtbl VBScriptRegExpFactoryVtbl = {
ClassFactory_QueryInterface,
ClassFactory_AddRef,
ClassFactory_Release,
VBScriptRegExpFactory_CreateInstance,
ClassFactory_LockServer
};
static IClassFactory VBScriptRegExpFactory = { &VBScriptRegExpFactoryVtbl };
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/******************************************************************
* DllMain (vbscript.@)
*/
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
TRACE("(%p %d %p)\n", hInstDLL, fdwReason, lpv);
switch(fdwReason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstDLL);
vbscript_hinstance = hInstDLL;
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break;
case DLL_PROCESS_DETACH:
if (lpv) break;
release_regexp_typelib();
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}
return TRUE;
}
/***********************************************************************
* DllGetClassObject (vbscript.@)
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
if(IsEqualGUID(&CLSID_VBScript, rclsid)) {
TRACE("(CLSID_VBScript %s %p)\n", debugstr_guid(riid), ppv);
return IClassFactory_QueryInterface(&VBScriptFactory, riid, ppv);
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}else if(IsEqualGUID(&CLSID_VBScriptRegExp, rclsid)) {
TRACE("(CLSID_VBScriptRegExp %s %p)\n", debugstr_guid(riid), ppv);
return IClassFactory_QueryInterface(&VBScriptRegExpFactory, riid, ppv);
}
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FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
return CLASS_E_CLASSNOTAVAILABLE;
}
/***********************************************************************
* DllCanUnloadNow (vbscript.@)
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
return S_FALSE;
}
/***********************************************************************
* DllRegisterServer (vbscript.@)
*/
HRESULT WINAPI DllRegisterServer(void)
{
TRACE("()\n");
return __wine_register_resources(vbscript_hinstance);
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}
/***********************************************************************
* DllUnregisterServer (vbscript.@)
*/
HRESULT WINAPI DllUnregisterServer(void)
{
TRACE("()\n");
return __wine_unregister_resources(vbscript_hinstance);
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}