540 lines
12 KiB
C
540 lines
12 KiB
C
/*
|
|
* Copyright 2008 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 <math.h>
|
|
|
|
#include "jscript.h"
|
|
#include "engine.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
|
|
|
|
const char *debugstr_variant(const VARIANT *v)
|
|
{
|
|
switch(V_VT(v)) {
|
|
case VT_EMPTY:
|
|
return wine_dbg_sprintf("{VT_EMPTY}");
|
|
case VT_NULL:
|
|
return wine_dbg_sprintf("{VT_NULL}");
|
|
case VT_I4:
|
|
return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
|
|
case VT_R8:
|
|
return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
|
|
case VT_BSTR:
|
|
return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
|
|
case VT_DISPATCH:
|
|
return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
|
|
case VT_BOOL:
|
|
return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
|
|
default:
|
|
return wine_dbg_sprintf("{vt %d}", V_VT(v));
|
|
}
|
|
}
|
|
|
|
#define MIN_BLOCK_SIZE 128
|
|
|
|
static inline DWORD block_size(DWORD block)
|
|
{
|
|
return MIN_BLOCK_SIZE << block;
|
|
}
|
|
|
|
void jsheap_init(jsheap_t *heap)
|
|
{
|
|
memset(heap, 0, sizeof(*heap));
|
|
list_init(&heap->custom_blocks);
|
|
}
|
|
|
|
void *jsheap_alloc(jsheap_t *heap, DWORD size)
|
|
{
|
|
struct list *list;
|
|
void *tmp;
|
|
|
|
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;
|
|
}
|
|
|
|
tmp = heap_alloc(block_size(heap->block_cnt+1));
|
|
if(!tmp)
|
|
return NULL;
|
|
|
|
heap->blocks[heap->block_cnt++] = tmp;
|
|
|
|
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 *jsheap_grow(jsheap_t *heap, void *mem, DWORD size, DWORD inc)
|
|
{
|
|
if(mem == (BYTE*)heap->blocks[heap->last_block] + heap->offset-size
|
|
&& heap->offset+inc < block_size(heap->last_block)) {
|
|
heap->offset += inc;
|
|
return mem;
|
|
}
|
|
|
|
return jsheap_alloc(heap, size+inc);
|
|
}
|
|
|
|
void jsheap_clear(jsheap_t *heap)
|
|
{
|
|
struct list *tmp;
|
|
|
|
if(!heap)
|
|
return;
|
|
|
|
while((tmp = list_next(&heap->custom_blocks, &heap->custom_blocks))) {
|
|
list_remove(tmp);
|
|
heap_free(tmp);
|
|
}
|
|
|
|
heap->last_block = heap->offset = 0;
|
|
}
|
|
|
|
void jsheap_free(jsheap_t *heap)
|
|
{
|
|
DWORD i;
|
|
|
|
jsheap_clear(heap);
|
|
|
|
for(i=0; i < heap->block_cnt; i++)
|
|
heap_free(heap->blocks[i]);
|
|
heap_free(heap->blocks);
|
|
|
|
jsheap_init(heap);
|
|
}
|
|
|
|
jsheap_t *jsheap_mark(jsheap_t *heap)
|
|
{
|
|
if(heap->mark)
|
|
return NULL;
|
|
|
|
heap->mark = TRUE;
|
|
return heap;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.1 */
|
|
HRESULT to_primitive(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
|
|
{
|
|
switch(V_VT(v)) {
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
case VT_BOOL:
|
|
case VT_I4:
|
|
case VT_R8:
|
|
*ret = *v;
|
|
break;
|
|
case VT_BSTR:
|
|
V_VT(ret) = VT_BSTR;
|
|
V_BSTR(ret) = SysAllocString(V_BSTR(v));
|
|
break;
|
|
case VT_DISPATCH:
|
|
return disp_propget(V_DISPATCH(v), DISPID_VALUE, ctx->lcid, ret, ei, NULL /*FIXME*/);
|
|
default:
|
|
FIXME("Unimplemented for vt %d\n", V_VT(v));
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.2 */
|
|
HRESULT to_boolean(VARIANT *v, VARIANT_BOOL *b)
|
|
{
|
|
switch(V_VT(v)) {
|
|
case VT_EMPTY:
|
|
case VT_NULL:
|
|
*b = VARIANT_FALSE;
|
|
break;
|
|
case VT_I4:
|
|
*b = V_I4(v) ? VARIANT_TRUE : VARIANT_FALSE;
|
|
break;
|
|
case VT_R8:
|
|
*b = V_R8(v) ? VARIANT_TRUE : VARIANT_FALSE;
|
|
break;
|
|
case VT_BSTR:
|
|
*b = V_BSTR(v) && *V_BSTR(v) ? VARIANT_TRUE : VARIANT_FALSE;
|
|
break;
|
|
case VT_DISPATCH:
|
|
*b = V_DISPATCH(v) ? VARIANT_TRUE : VARIANT_FALSE;
|
|
break;
|
|
case VT_BOOL:
|
|
*b = V_BOOL(v);
|
|
break;
|
|
default:
|
|
FIXME("unimplemented for vt %d\n", V_VT(v));
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static int hex_to_int(WCHAR c)
|
|
{
|
|
if('0' <= c && c <= '9')
|
|
return c-'0';
|
|
|
|
if('a' <= c && c <= 'f')
|
|
return c-'a'+10;
|
|
|
|
if('A' <= c && c <= 'F')
|
|
return c-'A'+10;
|
|
|
|
return -1;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.3.1 */
|
|
static HRESULT str_to_number(BSTR str, VARIANT *ret)
|
|
{
|
|
const WCHAR *ptr = str;
|
|
BOOL neg = FALSE;
|
|
DOUBLE d = 0.0;
|
|
|
|
static const WCHAR infinityW[] = {'I','n','f','i','n','i','t','y'};
|
|
|
|
while(isspaceW(*ptr))
|
|
ptr++;
|
|
|
|
if(*ptr == '-') {
|
|
neg = TRUE;
|
|
ptr++;
|
|
}else if(*ptr == '+') {
|
|
ptr++;
|
|
}
|
|
|
|
if(!strncmpW(ptr, infinityW, sizeof(infinityW)/sizeof(WCHAR))) {
|
|
ptr += sizeof(infinityW)/sizeof(WCHAR);
|
|
while(*ptr && isspaceW(*ptr))
|
|
ptr++;
|
|
|
|
if(*ptr)
|
|
num_set_nan(ret);
|
|
else
|
|
num_set_inf(ret, !neg);
|
|
return S_OK;
|
|
}
|
|
|
|
if(*ptr == '0' && ptr[1] == 'x') {
|
|
DWORD l = 0;
|
|
|
|
ptr += 2;
|
|
while((l = hex_to_int(*ptr)) != -1) {
|
|
d = d*16 + l;
|
|
ptr++;
|
|
}
|
|
|
|
num_set_val(ret, d);
|
|
return S_OK;
|
|
}
|
|
|
|
while(isdigitW(*ptr))
|
|
d = d*10 + (*ptr++ - '0');
|
|
|
|
if(*ptr == 'e' || *ptr == 'E') {
|
|
BOOL eneg = FALSE;
|
|
LONG l = 0;
|
|
|
|
ptr++;
|
|
if(*ptr == '-') {
|
|
ptr++;
|
|
eneg = TRUE;
|
|
}else if(*ptr == '+') {
|
|
ptr++;
|
|
}
|
|
|
|
while(isdigitW(*ptr))
|
|
l = l*10 + (*ptr++ - '0');
|
|
if(eneg)
|
|
l = -l;
|
|
|
|
d *= pow(10, l);
|
|
}else if(*ptr == '.') {
|
|
DOUBLE dec = 0.1;
|
|
|
|
ptr++;
|
|
while(isdigitW(*ptr)) {
|
|
d += dec * (*ptr++ - '0');
|
|
dec *= 0.1;
|
|
}
|
|
}
|
|
|
|
while(isspaceW(*ptr))
|
|
ptr++;
|
|
|
|
if(*ptr) {
|
|
num_set_nan(ret);
|
|
return S_OK;
|
|
}
|
|
|
|
if(neg)
|
|
d = -d;
|
|
|
|
num_set_val(ret, d);
|
|
return S_OK;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.3 */
|
|
HRESULT to_number(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
|
|
{
|
|
switch(V_VT(v)) {
|
|
case VT_EMPTY:
|
|
num_set_nan(ret);
|
|
break;
|
|
case VT_NULL:
|
|
V_VT(ret) = VT_I4;
|
|
V_I4(ret) = 0;
|
|
break;
|
|
case VT_I4:
|
|
case VT_R8:
|
|
*ret = *v;
|
|
break;
|
|
case VT_BSTR:
|
|
return str_to_number(V_BSTR(v), ret);
|
|
case VT_DISPATCH: {
|
|
VARIANT prim;
|
|
HRESULT hres;
|
|
|
|
hres = to_primitive(ctx, v, ei, &prim);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
hres = to_number(ctx, &prim, ei, ret);
|
|
VariantClear(&prim);
|
|
return hres;
|
|
}
|
|
case VT_BOOL:
|
|
V_VT(ret) = VT_I4;
|
|
V_I4(ret) = V_BOOL(v) ? 1 : 0;
|
|
break;
|
|
default:
|
|
FIXME("unimplemented for vt %d\n", V_VT(v));
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.4 */
|
|
HRESULT to_integer(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret)
|
|
{
|
|
VARIANT num;
|
|
HRESULT hres;
|
|
|
|
hres = to_number(ctx, v, ei, &num);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
if(V_VT(&num) == VT_I4)
|
|
*ret = num;
|
|
else
|
|
num_set_val(ret, V_R8(&num) >= 0.0 ? floor(V_R8(&num)) : -floor(-V_R8(&num)));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.5 */
|
|
HRESULT to_int32(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, INT *ret)
|
|
{
|
|
VARIANT num;
|
|
HRESULT hres;
|
|
|
|
hres = to_number(ctx, v, ei, &num);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*ret = V_VT(&num) == VT_I4 ? V_I4(&num) : (INT)V_R8(&num);
|
|
return S_OK;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.6 */
|
|
HRESULT to_uint32(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, DWORD *ret)
|
|
{
|
|
VARIANT num;
|
|
HRESULT hres;
|
|
|
|
hres = to_number(ctx, v, ei, &num);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*ret = V_VT(&num) == VT_I4 ? V_I4(&num) : (DWORD)V_R8(&num);
|
|
return S_OK;
|
|
}
|
|
|
|
static BSTR int_to_bstr(INT i)
|
|
{
|
|
WCHAR buf[12], *p;
|
|
BOOL neg = FALSE;
|
|
|
|
if(!i) {
|
|
static const WCHAR zeroW[] = {'0',0};
|
|
return SysAllocString(zeroW);
|
|
}
|
|
|
|
if(i < 0) {
|
|
neg = TRUE;
|
|
i = -i;
|
|
}
|
|
|
|
p = buf + sizeof(buf)/sizeof(*buf)-1;
|
|
*p-- = 0;
|
|
while(i) {
|
|
*p-- = i%10 + '0';
|
|
i /= 10;
|
|
}
|
|
|
|
if(neg)
|
|
*p = '-';
|
|
else
|
|
p++;
|
|
|
|
return SysAllocString(p);
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.8 */
|
|
HRESULT to_string(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, BSTR *str)
|
|
{
|
|
const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
|
|
const WCHAR nullW[] = {'n','u','l','l',0};
|
|
const WCHAR trueW[] = {'t','r','u','e',0};
|
|
const WCHAR falseW[] = {'f','a','l','s','e',0};
|
|
|
|
switch(V_VT(v)) {
|
|
case VT_EMPTY:
|
|
*str = SysAllocString(undefinedW);
|
|
break;
|
|
case VT_NULL:
|
|
*str = SysAllocString(nullW);
|
|
break;
|
|
case VT_I4:
|
|
*str = int_to_bstr(V_I4(v));
|
|
break;
|
|
case VT_R8: {
|
|
VARIANT strv;
|
|
HRESULT hres;
|
|
|
|
V_VT(&strv) = VT_EMPTY;
|
|
hres = VariantChangeTypeEx(&strv, v, MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT), 0, VT_BSTR);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*str = V_BSTR(&strv);
|
|
return S_OK;
|
|
}
|
|
case VT_BSTR:
|
|
*str = SysAllocString(V_BSTR(v));
|
|
break;
|
|
case VT_DISPATCH: {
|
|
VARIANT prim;
|
|
HRESULT hres;
|
|
|
|
hres = to_primitive(ctx, v, ei, &prim);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
hres = to_string(ctx, &prim, ei, str);
|
|
VariantClear(&prim);
|
|
return hres;
|
|
}
|
|
case VT_BOOL:
|
|
*str = SysAllocString(V_BOOL(v) ? trueW : falseW);
|
|
break;
|
|
default:
|
|
FIXME("unsupported vt %d\n", V_VT(v));
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return *str ? S_OK : E_OUTOFMEMORY;
|
|
}
|
|
|
|
/* ECMA-262 3rd Edition 9.9 */
|
|
HRESULT to_object(exec_ctx_t *ctx, VARIANT *v, IDispatch **disp)
|
|
{
|
|
DispatchEx *dispex;
|
|
HRESULT hres;
|
|
|
|
switch(V_VT(v)) {
|
|
case VT_BSTR:
|
|
hres = create_string(ctx->parser->script, V_BSTR(v), SysStringLen(V_BSTR(v)), &dispex);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*disp = (IDispatch*)_IDispatchEx_(dispex);
|
|
break;
|
|
case VT_I4:
|
|
case VT_R8:
|
|
hres = create_number(ctx->parser->script, v, &dispex);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*disp = (IDispatch*)_IDispatchEx_(dispex);
|
|
break;
|
|
case VT_DISPATCH:
|
|
IDispatch_AddRef(V_DISPATCH(v));
|
|
*disp = V_DISPATCH(v);
|
|
break;
|
|
case VT_BOOL:
|
|
hres = create_bool(ctx->parser->script, V_BOOL(v), &dispex);
|
|
if(FAILED(hres))
|
|
return hres;
|
|
|
|
*disp = (IDispatch*)_IDispatchEx_(dispex);
|
|
break;
|
|
default:
|
|
FIXME("unsupported vt %d\n", V_VT(v));
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|