vbscript_main.c File Reference

#include "initguid.h"
#include "vbscript.h"
#include "objsafe.h"
#include "mshtmhst.h"
#include "rpcproxy.h"
#include "vbscript_classes.h"
#include "vbsglobal.h"
#include "vbsregexp55.h"
#include "wine/debug.h"

Include dependency graph for vbscript_main.c:

Go to the source code of this file.

Macros
#define	MIN_BLOCK_SIZE   128
#define	ARENA_FREE_FILLER   0xaa

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (vbscript)
	WINE_DECLARE_DEBUG_CHANNEL (heap)
	DEFINE_GUID (GUID_NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
BSTR	get_vbscript_string (int id)
BSTR	get_vbscript_error_string (HRESULT error)
static DWORD	block_size (DWORD block)
void	heap_pool_init (heap_pool_t *heap)
void *	heap_pool_alloc (heap_pool_t *heap, size_t size)
void *	heap_pool_grow (heap_pool_t *heap, void *mem, DWORD size, DWORD inc)
void	heap_pool_clear (heap_pool_t *heap)
void	heap_pool_free (heap_pool_t *heap)
heap_pool_t *	heap_pool_mark (heap_pool_t *heap)
static HRESULT WINAPI	ClassFactory_QueryInterface (IClassFactory *iface, REFIID riid, void **ppv)
static ULONG WINAPI	ClassFactory_AddRef (IClassFactory *iface)
static ULONG WINAPI	ClassFactory_Release (IClassFactory *iface)
static HRESULT WINAPI	ClassFactory_LockServer (IClassFactory *iface, BOOL fLock)
BOOL WINAPI	DllMain (HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
HRESULT WINAPI	DllGetClassObject (REFCLSID rclsid, REFIID riid, LPVOID *ppv)
HRESULT WINAPI	DllCanUnloadNow (void)
HRESULT WINAPI	DllRegisterServer (void)
HRESULT WINAPI	DllUnregisterServer (void)

Variables
static HINSTANCE	vbscript_hinstance
static const IClassFactoryVtbl	VBScriptFactoryVtbl
static IClassFactory	VBScriptFactory = { &VBScriptFactoryVtbl }
static const IClassFactoryVtbl	VBScriptRegExpFactoryVtbl
static IClassFactory	VBScriptRegExpFactory = { &VBScriptRegExpFactoryVtbl }

Macro Definition Documentation

ARENA_FREE_FILLER

#define ARENA_FREE_FILLER   0xaa

Definition at line 54 of file vbscript_main.c.

MIN_BLOCK_SIZE

#define MIN_BLOCK_SIZE   128

Definition at line 53 of file vbscript_main.c.

Function Documentation

block_size()

static DWORD block_size ( DWORD  block )

inlinestatic

Definition at line 56 of file vbscript_main.c.

{
    return MIN_BLOCK_SIZE << block;
}

Referenced by heap_pool_alloc(), heap_pool_clear(), and heap_pool_grow().

ClassFactory_AddRef()

static ULONG WINAPI ClassFactory_AddRef ( IClassFactory *  iface )

static

Definition at line 204 of file vbscript_main.c.

{
    TRACE("(%p)\n", iface);
    return 2;
}

ClassFactory_LockServer()

static HRESULT WINAPI ClassFactory_LockServer ( IClassFactory *  iface, BOOL  fLock  )

static

Definition at line 216 of file vbscript_main.c.

{
    TRACE("(%p)->(%x)\n", iface, fLock);
    return S_OK;
}

ClassFactory_QueryInterface()

static HRESULT WINAPI ClassFactory_QueryInterface ( IClassFactory *  iface, REFIID  riid, void **  ppv  )

static

Definition at line 183 of file vbscript_main.c.

{
    *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;
}

ClassFactory_Release()

static ULONG WINAPI ClassFactory_Release ( IClassFactory *  iface )

static

Definition at line 210 of file vbscript_main.c.

{
    TRACE("(%p)\n", iface);
    return 1;
}

DEFINE_GUID()

DEFINE_GUID	(	GUID_NULL	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0	,
		0
	)

DllCanUnloadNow()

HRESULT WINAPI DllCanUnloadNow

(

void

)

Definition at line 285 of file vbscript_main.c.

{
    return S_FALSE;
}

DllGetClassObject()

HRESULT WINAPI DllGetClassObject	(	REFCLSID	rclsid,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 268 of file vbscript_main.c.

{
    if(IsEqualGUID(&CLSID_VBScript, rclsid)) {
        TRACE("(CLSID_VBScript %s %p)\n", debugstr_guid(riid), ppv);
        return IClassFactory_QueryInterface(&VBScriptFactory, riid, ppv);
    }else if(IsEqualGUID(&CLSID_VBScriptRegExp, rclsid)) {
        TRACE("(CLSID_VBScriptRegExp %s %p)\n", debugstr_guid(riid), ppv);
        return IClassFactory_QueryInterface(&VBScriptRegExpFactory, riid, ppv);
    }
 
    FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
    return CLASS_E_CLASSNOTAVAILABLE;
}

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hInstDLL,
		DWORD	fdwReason,
		LPVOID	lpv
	)

Definition at line 245 of file vbscript_main.c.

{
    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;
        break;
    case DLL_PROCESS_DETACH:
        if (lpv) break;
        release_regexp_typelib();
    }
 
    return TRUE;
}

DllRegisterServer()

HRESULT WINAPI DllRegisterServer

(

void

)

Definition at line 293 of file vbscript_main.c.

{
    TRACE("()\n");
    return __wine_register_resources(vbscript_hinstance);
}

DllUnregisterServer()

HRESULT WINAPI DllUnregisterServer

(

void

)

Definition at line 302 of file vbscript_main.c.

{
    TRACE("()\n");
    return __wine_unregister_resources(vbscript_hinstance);
}

get_vbscript_error_string()

BSTR get_vbscript_error_string

(

HRESULT

error

)

Definition at line 45 of file vbscript_main.c.

{
    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;
}

Referenced by compile_error(), Err_Raise(), and exec_script().

get_vbscript_string()

BSTR get_vbscript_string

(

int

id

)

Definition at line 38 of file vbscript_main.c.

{
    WCHAR buf[512];
    if(!LoadStringW(vbscript_hinstance, id, buf, ARRAY_SIZE(buf))) return NULL;
    return SysAllocString(buf);
}

Referenced by compile_error(), Err_Raise(), exec_script(), and get_vbscript_error_string().

heap_pool_alloc()

void * heap_pool_alloc	(	heap_pool_t *	heap,
		size_t	size
	)

Definition at line 67 of file vbscript_main.c.

{
    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;
}

Referenced by heap_pool_grow().

heap_pool_clear()

void heap_pool_clear

(

heap_pool_t *

heap

)

Definition at line 138 of file vbscript_main.c.

{
    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;
}

Referenced by heap_pool_free(), RegExp2_Test(), RegExp_exec(), regexp_execute(), regexp_match(), regexp_match_next(), regexp_new(), regexp_string_match(), and RegExp_test().

heap_pool_free()

void heap_pool_free

(

heap_pool_t *

heap

)

Definition at line 161 of file vbscript_main.c.

{
    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);
}

Referenced by compile_script(), RegExp2_Release(), release_bytecode(), release_exec(), release_script(), release_vbscode(), and script_release().

heap_pool_grow()

void * heap_pool_grow	(	heap_pool_t *	heap,
		void *	mem,
		DWORD	size,
		DWORD	inc
	)

Definition at line 122 of file vbscript_main.c.

{
    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;
}

Referenced by PushBackTrackState(), and ReallocStateStack().

heap_pool_init()

void heap_pool_init

(

heap_pool_t *

heap

)

Definition at line 61 of file vbscript_main.c.

{
    memset(heap, 0, sizeof(*heap));
    list_init(&heap->custom_blocks);
}

Referenced by alloc_vbscode(), compile_script(), create_regexp(), exec_script(), heap_pool_free(), init_code(), JScriptParse_InitNew(), release_script(), and VBScriptFactory_CreateInstance().

heap_pool_mark()

heap_pool_t * heap_pool_mark

(

heap_pool_t *

heap

)

Definition at line 174 of file vbscript_main.c.

{
    if(heap->mark)
        return NULL;
 
    heap->mark = TRUE;
    return heap;
}

Referenced by RegExp2_Test(), RegExp_exec(), regexp_execute(), regexp_match(), regexp_match_next(), regexp_new(), regexp_string_match(), and RegExp_test().

WINE_DECLARE_DEBUG_CHANNEL()

WINE_DECLARE_DEBUG_CHANNEL

(

heap

)

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

vbscript

)

Variable Documentation

vbscript_hinstance

HINSTANCE vbscript_hinstance

static

Definition at line 36 of file vbscript_main.c.

Referenced by DllMain(), DllRegisterServer(), DllUnregisterServer(), and get_vbscript_string().

VBScriptFactory

IClassFactory VBScriptFactory = { &VBScriptFactoryVtbl }

static

Definition at line 230 of file vbscript_main.c.

Referenced by DllGetClassObject().

VBScriptFactoryVtbl

const IClassFactoryVtbl VBScriptFactoryVtbl

static

Initial value:

= {
    ClassFactory_QueryInterface,
    ClassFactory_AddRef,
    ClassFactory_Release,
    VBScriptFactory_CreateInstance,
    ClassFactory_LockServer
}

Definition at line 222 of file vbscript_main.c.

VBScriptRegExpFactory

IClassFactory VBScriptRegExpFactory = { &VBScriptRegExpFactoryVtbl }

static

Definition at line 240 of file vbscript_main.c.

Referenced by DllGetClassObject().

VBScriptRegExpFactoryVtbl

const IClassFactoryVtbl VBScriptRegExpFactoryVtbl

static

Initial value:

= {
    ClassFactory_QueryInterface,
    ClassFactory_AddRef,
    ClassFactory_Release,
    VBScriptRegExpFactory_CreateInstance,
    ClassFactory_LockServer
}

Definition at line 232 of file vbscript_main.c.