2 * Copyright 2008 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
31 WINE_DECLARE_DEBUG_CHANNEL(heap);
33 const char *debugstr_variant(const VARIANT *v)
44 return wine_dbg_sprintf("{VT_I4: %d}", V_I4(v));
46 return wine_dbg_sprintf("{VT_UI4: %u}", V_UI4(v));
48 return wine_dbg_sprintf("{VT_R8: %lf}", V_R8(v));
50 return wine_dbg_sprintf("{VT_BSTR: %s}", debugstr_w(V_BSTR(v)));
52 return wine_dbg_sprintf("{VT_DISPATCH: %p}", V_DISPATCH(v));
54 return wine_dbg_sprintf("{VT_BOOL: %x}", V_BOOL(v));
56 return wine_dbg_sprintf("{vt %d}", V_VT(v));
60 const char *debugstr_jsval(const jsval_t v)
68 return wine_dbg_sprintf("obj(%p)", get_object(v));
70 return debugstr_w(get_string(v));
72 return wine_dbg_sprintf("%lf", get_number(v));
74 return get_bool(v) ? "true" : "false";
76 return debugstr_variant(get_variant(v));
83 #define MIN_BLOCK_SIZE 128
84 #define ARENA_FREE_FILLER 0xaa
86 static inline DWORD block_size(DWORD block)
88 return MIN_BLOCK_SIZE << block;
91 void jsheap_init(jsheap_t *heap)
93 memset(heap, 0, sizeof(*heap));
94 list_init(&heap->custom_blocks);
97 void *jsheap_alloc(jsheap_t *heap, DWORD size)
102 if(!heap->block_cnt) {
104 heap->blocks = heap_alloc(sizeof(void*));
109 tmp = heap_alloc(block_size(0));
113 heap->blocks[0] = tmp;
117 if(heap->offset + size <= block_size(heap->last_block)) {
118 tmp = ((BYTE*)heap->blocks[heap->last_block])+heap->offset;
119 heap->offset += size;
123 if(size <= block_size(heap->last_block+1)) {
124 if(heap->last_block+1 == heap->block_cnt) {
125 tmp = heap_realloc(heap->blocks, (heap->block_cnt+1)*sizeof(void*));
130 heap->blocks[heap->block_cnt] = heap_alloc(block_size(heap->block_cnt));
131 if(!heap->blocks[heap->block_cnt])
139 return heap->blocks[heap->last_block];
142 list = heap_alloc(size + sizeof(struct list));
146 list_add_head(&heap->custom_blocks, list);
150 void *jsheap_grow(jsheap_t *heap, void *mem, DWORD size, DWORD inc)
154 if(mem == (BYTE*)heap->blocks[heap->last_block] + heap->offset-size
155 && heap->offset+inc < block_size(heap->last_block)) {
160 ret = jsheap_alloc(heap, size+inc);
161 if(ret) /* FIXME: avoid copying for custom blocks */
162 memcpy(ret, mem, size);
166 void jsheap_clear(jsheap_t *heap)
173 while((tmp = list_next(&heap->custom_blocks, &heap->custom_blocks))) {
181 for(i=0; i < heap->block_cnt; i++)
182 memset(heap->blocks[i], ARENA_FREE_FILLER, block_size(i));
185 heap->last_block = heap->offset = 0;
189 void jsheap_free(jsheap_t *heap)
195 for(i=0; i < heap->block_cnt; i++)
196 heap_free(heap->blocks[i]);
197 heap_free(heap->blocks);
202 jsheap_t *jsheap_mark(jsheap_t *heap)
211 static BSTR clone_bstr(BSTR str)
213 return SysAllocStringLen(str, str ? SysStringLen(str) : 0);
216 void jsval_release(jsval_t val)
221 IDispatch_Release(val.u.obj);
224 SysFreeString(val.u.str);
227 VariantClear(val.u.v);
235 HRESULT jsval_variant(jsval_t *val, VARIANT *var)
239 val->type = JSV_VARIANT;
240 val->u.v = heap_alloc(sizeof(VARIANT));
242 return E_OUTOFMEMORY;
244 V_VT(val->u.v) = VT_EMPTY;
245 hres = VariantCopy(val->u.v, var);
251 HRESULT jsval_copy(jsval_t v, jsval_t *r)
261 IDispatch_AddRef(get_object(v));
265 BSTR str = clone_bstr(get_string(v));
267 return E_OUTOFMEMORY;
268 *r = jsval_string(str);
272 return jsval_variant(r, get_variant(v));
279 HRESULT variant_to_jsval(VARIANT *var, jsval_t *r)
283 *r = jsval_undefined();
289 *r = jsval_bool(V_BOOL(var));
292 *r = jsval_number(V_I4(var));
295 *r = jsval_number(V_R8(var));
301 str = clone_bstr(V_BSTR(var));
303 return E_OUTOFMEMORY;
307 *r = jsval_string(str);
312 IDispatch_AddRef(V_DISPATCH(var));
313 *r = jsval_disp(V_DISPATCH(var));
317 *r = jsval_number(V_I2(var));
320 *r = jsval_number(V_INT(var));
323 return jsval_variant(r, var);
327 HRESULT jsval_to_variant(jsval_t val, VARIANT *retv)
331 V_VT(retv) = VT_EMPTY;
334 V_VT(retv) = VT_NULL;
337 V_VT(retv) = VT_DISPATCH;
339 IDispatch_AddRef(val.u.obj);
340 V_DISPATCH(retv) = val.u.obj;
343 V_VT(retv) = VT_BSTR;
345 V_BSTR(retv) = clone_bstr(val.u.str);
347 return E_OUTOFMEMORY;
353 num_set_val(retv, val.u.n);
356 V_VT(retv) = VT_BOOL;
357 V_BOOL(retv) = val.u.b ? VARIANT_TRUE : VARIANT_FALSE;
360 return VariantCopy(retv, val.u.v);
367 /* ECMA-262 3rd Edition 9.1 */
368 HRESULT to_primitive(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, VARIANT *ret, hint_t hint)
380 V_BSTR(ret) = SysAllocString(V_BSTR(v));
387 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
388 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
395 jsdisp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
397 V_VT(ret) = VT_EMPTY;
398 return disp_propget(ctx, V_DISPATCH(v), DISPID_VALUE, ret, ei);
402 hint = is_class(jsdisp, JSCLASS_DATE) ? HINT_STRING : HINT_NUMBER;
404 /* Native implementation doesn't throw TypeErrors, returns strange values */
406 hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? toStringW : valueOfW, 0, &id);
407 if(SUCCEEDED(hres)) {
408 hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, ret, ei);
410 WARN("call error - forwarding exception\n");
411 jsdisp_release(jsdisp);
414 else if(V_VT(ret) != VT_DISPATCH) {
415 jsdisp_release(jsdisp);
419 IDispatch_Release(V_DISPATCH(ret));
422 hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? valueOfW : toStringW, 0, &id);
423 if(SUCCEEDED(hres)) {
424 hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, ret, ei);
426 WARN("call error - forwarding exception\n");
427 jsdisp_release(jsdisp);
430 else if(V_VT(ret) != VT_DISPATCH) {
431 jsdisp_release(jsdisp);
435 IDispatch_Release(V_DISPATCH(ret));
438 jsdisp_release(jsdisp);
441 return throw_type_error(ctx, ei, JS_E_TO_PRIMITIVE, NULL);
447 FIXME("Unimplemented for vt %d\n", V_VT(v));
454 /* ECMA-262 3rd Edition 9.2 */
455 HRESULT to_boolean(VARIANT *v, VARIANT_BOOL *b)
463 *b = V_I4(v) ? VARIANT_TRUE : VARIANT_FALSE;
466 if(isnan(V_R8(v))) *b = VARIANT_FALSE;
467 else *b = V_R8(v) ? VARIANT_TRUE : VARIANT_FALSE;
470 *b = V_BSTR(v) && *V_BSTR(v) ? VARIANT_TRUE : VARIANT_FALSE;
473 *b = V_DISPATCH(v) ? VARIANT_TRUE : VARIANT_FALSE;
479 FIXME("unimplemented for vt %d\n", V_VT(v));
486 /* ECMA-262 3rd Edition 9.2 */
487 HRESULT to_boolean_jsval(jsval_t v, BOOL *ret)
493 if(v.type == JSV_BOOL) {
498 hres = jsval_to_variant(v, &var);
502 hres = to_boolean(&var, &b);
511 static int hex_to_int(WCHAR c)
513 if('0' <= c && c <= '9')
516 if('a' <= c && c <= 'f')
519 if('A' <= c && c <= 'F')
525 /* ECMA-262 3rd Edition 9.3.1 */
526 static HRESULT str_to_number(BSTR str, double *ret)
528 const WCHAR *ptr = str;
532 static const WCHAR infinityW[] = {'I','n','f','i','n','i','t','y'};
539 while(isspaceW(*ptr))
545 }else if(*ptr == '+') {
549 if(!strncmpW(ptr, infinityW, sizeof(infinityW)/sizeof(WCHAR))) {
550 ptr += sizeof(infinityW)/sizeof(WCHAR);
551 while(*ptr && isspaceW(*ptr))
557 *ret = neg ? -INFINITY : INFINITY;
561 if(*ptr == '0' && ptr[1] == 'x') {
565 while((l = hex_to_int(*ptr)) != -1) {
574 while(isdigitW(*ptr))
575 d = d*10 + (*ptr++ - '0');
577 if(*ptr == 'e' || *ptr == 'E') {
585 }else if(*ptr == '+') {
589 while(isdigitW(*ptr))
590 l = l*10 + (*ptr++ - '0');
595 }else if(*ptr == '.') {
599 while(isdigitW(*ptr)) {
600 d += dec * (*ptr++ - '0');
605 while(isspaceW(*ptr))
620 /* ECMA-262 3rd Edition 9.3 */
621 HRESULT to_number(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, double *ret)
637 return str_to_number(V_BSTR(v), ret);
642 hres = to_primitive(ctx, v, ei, &prim, HINT_NUMBER);
646 hres = to_number(ctx, &prim, ei, ret);
651 *ret = V_BOOL(v) ? 1 : 0;
657 FIXME("unimplemented for vt %d\n", V_VT(v));
664 /* ECMA-262 3rd Edition 9.3 */
665 HRESULT to_number_jsval(script_ctx_t *ctx, jsval_t v, jsexcept_t *ei, double *ret)
670 if(v.type == JSV_NUMBER) {
675 hres = jsval_to_variant(v, &var);
679 hres = to_number(ctx, &var, ei, ret);
684 /* ECMA-262 3rd Edition 9.4 */
685 HRESULT to_integer(script_ctx_t *ctx, jsval_t v, jsexcept_t *ei, double *ret)
690 hres = to_number_jsval(ctx, v, ei, &n);
697 *ret = n >= 0.0 ? floor(n) : -floor(-n);
701 /* ECMA-262 3rd Edition 9.5 */
702 HRESULT to_int32_var(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, INT *ret)
707 if(V_VT(v) == VT_I4) {
712 hres = to_number(ctx, v, ei, &n);
716 *ret = isnan(n) || isinf(n) ? 0 : n;
720 /* ECMA-262 3rd Edition 9.5 */
721 HRESULT to_int32(script_ctx_t *ctx, jsval_t v, jsexcept_t *ei, INT *ret)
726 hres = to_number_jsval(ctx, v, ei, &n);
730 *ret = isnan(n) || isinf(n) ? 0 : n;
734 /* ECMA-262 3rd Edition 9.6 */
735 HRESULT to_uint32(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, DWORD *ret)
740 if(V_VT(v) == VT_I4) {
745 hres = to_number(ctx, v, ei, &n);
749 *ret = isnan(n) || isinf(n) ? 0 : n;
753 /* ECMA-262 3rd Edition 9.6 */
754 HRESULT to_uint32_jsval(script_ctx_t *ctx, jsval_t v, jsexcept_t *ei, DWORD *ret)
759 hres = jsval_to_variant(v, &var);
763 hres = to_uint32(ctx, &var, ei, ret);
768 static BSTR int_to_bstr(int i)
774 static const WCHAR zeroW[] = {'0',0};
775 return SysAllocString(zeroW);
783 p = buf + sizeof(buf)/sizeof(*buf)-1;
795 return SysAllocString(p);
798 HRESULT double_to_bstr(double n, BSTR *str)
800 const WCHAR NaNW[] = {'N','a','N',0};
801 const WCHAR InfinityW[] = {'-','I','n','f','i','n','i','t','y',0};
804 *str = SysAllocString(NaNW);
806 *str = SysAllocString(n<0 ? InfinityW : InfinityW+1);
813 V_VT(&strv) = VT_EMPTY;
814 hres = VariantChangeTypeEx(&strv, &v, MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT), 0, VT_BSTR);
818 *str = V_BSTR(&strv);
821 return *str ? S_OK : E_OUTOFMEMORY;
824 /* ECMA-262 3rd Edition 9.8 */
825 HRESULT to_string(script_ctx_t *ctx, VARIANT *v, jsexcept_t *ei, BSTR *str)
827 const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
828 const WCHAR nullW[] = {'n','u','l','l',0};
829 const WCHAR trueW[] = {'t','r','u','e',0};
830 const WCHAR falseW[] = {'f','a','l','s','e',0};
834 *str = SysAllocString(undefinedW);
837 *str = SysAllocString(nullW);
840 *str = int_to_bstr(V_I4(v));
843 return double_to_bstr(V_R8(v), str);
845 *str = SysAllocString(V_BSTR(v));
851 hres = to_primitive(ctx, v, ei, &prim, HINT_STRING);
855 hres = to_string(ctx, &prim, ei, str);
860 *str = SysAllocString(V_BOOL(v) ? trueW : falseW);
863 FIXME("unsupported vt %d\n", V_VT(v));
867 return *str ? S_OK : E_OUTOFMEMORY;
870 /* ECMA-262 3rd Edition 9.8 */
871 HRESULT to_string_jsval(script_ctx_t *ctx, jsval_t v, jsexcept_t *ei, BSTR *str)
876 if(v.type == JSV_STRING) {
877 *str = clone_bstr(v.u.str);
878 return *str ? S_OK : E_OUTOFMEMORY;
881 hres = jsval_to_variant(v, &var);
885 hres = to_string(ctx, &var, ei, str);
890 /* ECMA-262 3rd Edition 9.9 */
891 HRESULT to_object(script_ctx_t *ctx, VARIANT *v, IDispatch **disp)
898 hres = create_string(ctx, V_BSTR(v), SysStringLen(V_BSTR(v)), &dispex);
902 *disp = to_disp(dispex);
906 hres = create_number(ctx, num_val(v), &dispex);
910 *disp = to_disp(dispex);
914 IDispatch_AddRef(V_DISPATCH(v));
915 *disp = V_DISPATCH(v);
919 hres = create_object(ctx, NULL, &obj);
923 *disp = to_disp(obj);
927 hres = create_bool(ctx, V_BOOL(v), &dispex);
931 *disp = to_disp(dispex);
933 case VT_ARRAY|VT_VARIANT:
934 hres = create_vbarray(ctx, V_ARRAY(v), &dispex);
938 *disp = to_disp(dispex);
941 FIXME("unsupported vt %d\n", V_VT(v));
948 /* ECMA-262 3rd Edition 9.9 */
949 HRESULT to_object_jsval(script_ctx_t *ctx, jsval_t v, IDispatch **disp)
954 if(is_object_instance(v)) {
955 *disp = get_object(v);
956 IDispatch_AddRef(*disp);
960 hres = jsval_to_variant(v, &var);
964 hres = to_object(ctx, &var, disp);
969 HRESULT variant_change_type(script_ctx_t *ctx, VARIANT *dst, VARIANT *src, VARTYPE vt)
974 memset(&ei, 0, sizeof(ei));
981 hres = to_int32_var(ctx, src, &ei, &i);
982 if(SUCCEEDED(hres)) {
992 hres = to_number(ctx, src, &ei, &n);
1000 hres = to_number(ctx, src, &ei, &n);
1008 hres = to_boolean(src, &b);
1016 hres = to_string(ctx, src, &ei, &str);
1022 hres = V_VT(src) == VT_EMPTY ? S_OK : E_NOTIMPL;
1025 hres = V_VT(src) == VT_NULL ? S_OK : E_NOTIMPL;
1028 FIXME("vt %d not implemented\n", vt);
1033 VariantClear(&ei.var);
1041 static inline JSCaller *impl_from_IServiceProvider(IServiceProvider *iface)
1043 return CONTAINING_RECORD(iface, JSCaller, IServiceProvider_iface);
1046 static HRESULT WINAPI JSCaller_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
1048 JSCaller *This = impl_from_IServiceProvider(iface);
1050 if(IsEqualGUID(&IID_IUnknown, riid)) {
1051 TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
1052 *ppv = &This->IServiceProvider_iface;
1053 }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
1054 TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
1055 *ppv = &This->IServiceProvider_iface;
1057 WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
1059 return E_NOINTERFACE;
1062 IUnknown_AddRef((IUnknown*)*ppv);
1066 static ULONG WINAPI JSCaller_AddRef(IServiceProvider *iface)
1068 JSCaller *This = impl_from_IServiceProvider(iface);
1069 LONG ref = InterlockedIncrement(&This->ref);
1071 TRACE("(%p) ref=%d\n", This, ref);
1076 static ULONG WINAPI JSCaller_Release(IServiceProvider *iface)
1078 JSCaller *This = impl_from_IServiceProvider(iface);
1079 LONG ref = InterlockedIncrement(&This->ref);
1081 TRACE("(%p) ref=%d\n", This, ref);
1091 static HRESULT WINAPI JSCaller_QueryService(IServiceProvider *iface, REFGUID guidService,
1092 REFIID riid, void **ppv)
1094 JSCaller *This = impl_from_IServiceProvider(iface);
1096 if(IsEqualGUID(guidService, &SID_VariantConversion) && This->ctx && This->ctx->active_script) {
1097 TRACE("(%p)->(SID_VariantConversion)\n", This);
1098 return IActiveScript_QueryInterface(This->ctx->active_script, riid, ppv);
1101 FIXME("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
1104 return E_NOINTERFACE;
1107 static const IServiceProviderVtbl ServiceProviderVtbl = {
1108 JSCaller_QueryInterface,
1111 JSCaller_QueryService
1114 HRESULT create_jscaller(script_ctx_t *ctx)
1118 ret = heap_alloc(sizeof(*ret));
1120 return E_OUTOFMEMORY;
1122 ret->IServiceProvider_iface.lpVtbl = &ServiceProviderVtbl;
1126 ctx->jscaller = ret;