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));
55 case VT_ARRAY|VT_VARIANT:
56 return "{VT_ARRAY|VT_VARIANT: ...}";
58 return wine_dbg_sprintf("{vt %d}", V_VT(v));
62 const char *debugstr_jsval(const jsval_t v)
64 switch(jsval_type(v)) {
70 return wine_dbg_sprintf("obj(%p)", get_object(v));
72 return debugstr_w(get_string(v));
74 return wine_dbg_sprintf("%lf", get_number(v));
76 return get_bool(v) ? "true" : "false";
78 return debugstr_variant(get_variant(v));
85 #define MIN_BLOCK_SIZE 128
86 #define ARENA_FREE_FILLER 0xaa
88 static inline DWORD block_size(DWORD block)
90 return MIN_BLOCK_SIZE << block;
93 void jsheap_init(jsheap_t *heap)
95 memset(heap, 0, sizeof(*heap));
96 list_init(&heap->custom_blocks);
99 void *jsheap_alloc(jsheap_t *heap, DWORD size)
104 if(!heap->block_cnt) {
106 heap->blocks = heap_alloc(sizeof(void*));
111 tmp = heap_alloc(block_size(0));
115 heap->blocks[0] = tmp;
119 if(heap->offset + size <= block_size(heap->last_block)) {
120 tmp = ((BYTE*)heap->blocks[heap->last_block])+heap->offset;
121 heap->offset += size;
125 if(size <= block_size(heap->last_block+1)) {
126 if(heap->last_block+1 == heap->block_cnt) {
127 tmp = heap_realloc(heap->blocks, (heap->block_cnt+1)*sizeof(void*));
132 heap->blocks[heap->block_cnt] = heap_alloc(block_size(heap->block_cnt));
133 if(!heap->blocks[heap->block_cnt])
141 return heap->blocks[heap->last_block];
144 list = heap_alloc(size + sizeof(struct list));
148 list_add_head(&heap->custom_blocks, list);
152 void *jsheap_grow(jsheap_t *heap, void *mem, DWORD size, DWORD inc)
156 if(mem == (BYTE*)heap->blocks[heap->last_block] + heap->offset-size
157 && heap->offset+inc < block_size(heap->last_block)) {
162 ret = jsheap_alloc(heap, size+inc);
163 if(ret) /* FIXME: avoid copying for custom blocks */
164 memcpy(ret, mem, size);
168 void jsheap_clear(jsheap_t *heap)
175 while((tmp = list_next(&heap->custom_blocks, &heap->custom_blocks))) {
183 for(i=0; i < heap->block_cnt; i++)
184 memset(heap->blocks[i], ARENA_FREE_FILLER, block_size(i));
187 heap->last_block = heap->offset = 0;
191 void jsheap_free(jsheap_t *heap)
197 for(i=0; i < heap->block_cnt; i++)
198 heap_free(heap->blocks[i]);
199 heap_free(heap->blocks);
204 jsheap_t *jsheap_mark(jsheap_t *heap)
213 static BSTR clone_bstr(BSTR str)
215 return SysAllocStringLen(str, str ? SysStringLen(str) : 0);
218 void jsval_release(jsval_t val)
220 switch(jsval_type(val)) {
223 IDispatch_Release(get_object(val));
226 SysFreeString(get_string(val));
229 VariantClear(get_variant(val));
230 heap_free(get_variant(val));
237 static HRESULT jsval_variant(jsval_t *val, VARIANT *var)
242 __JSVAL_TYPE(*val) = JSV_VARIANT;
243 __JSVAL_VAR(*val) = v = heap_alloc(sizeof(VARIANT));
245 return E_OUTOFMEMORY;
248 hres = VariantCopy(v, var);
254 HRESULT jsval_copy(jsval_t v, jsval_t *r)
256 switch(jsval_type(v)) {
265 IDispatch_AddRef(get_object(v));
269 BSTR str = clone_bstr(get_string(v));
271 return E_OUTOFMEMORY;
272 *r = jsval_string(str);
276 return jsval_variant(r, get_variant(v));
283 HRESULT variant_to_jsval(VARIANT *var, jsval_t *r)
287 *r = jsval_undefined();
293 *r = jsval_bool(V_BOOL(var));
296 *r = jsval_number(V_I4(var));
299 *r = jsval_number(V_R8(var));
305 str = clone_bstr(V_BSTR(var));
307 return E_OUTOFMEMORY;
311 *r = jsval_string(str);
316 IDispatch_AddRef(V_DISPATCH(var));
317 *r = jsval_disp(V_DISPATCH(var));
321 *r = jsval_number(V_I2(var));
324 *r = jsval_number(V_INT(var));
327 return jsval_variant(r, var);
331 HRESULT jsval_to_variant(jsval_t val, VARIANT *retv)
333 switch(jsval_type(val)) {
335 V_VT(retv) = VT_EMPTY;
338 V_VT(retv) = VT_NULL;
341 V_VT(retv) = VT_DISPATCH;
343 IDispatch_AddRef(get_object(val));
344 V_DISPATCH(retv) = get_object(val);
347 V_VT(retv) = VT_BSTR;
348 if(get_string(val)) {
349 V_BSTR(retv) = clone_bstr(get_string(val));
351 return E_OUTOFMEMORY;
357 double n = get_number(val);
370 V_VT(retv) = VT_BOOL;
371 V_BOOL(retv) = get_bool(val) ? VARIANT_TRUE : VARIANT_FALSE;
374 V_VT(retv) = VT_EMPTY;
375 return VariantCopy(retv, get_variant(val));
382 /* ECMA-262 3rd Edition 9.1 */
383 HRESULT to_primitive(script_ctx_t *ctx, jsval_t val, jsval_t *ret, hint_t hint)
385 if(is_object_instance(val)) {
391 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
392 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
394 if(!get_object(val)) {
399 jsdisp = iface_to_jsdisp((IUnknown*)get_object(val));
401 return disp_propget(ctx, get_object(val), DISPID_VALUE, ret);
404 hint = is_class(jsdisp, JSCLASS_DATE) ? HINT_STRING : HINT_NUMBER;
406 /* Native implementation doesn't throw TypeErrors, returns strange values */
408 hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? toStringW : valueOfW, 0, &id);
409 if(SUCCEEDED(hres)) {
410 hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, &prim);
412 WARN("call error - forwarding exception\n");
413 jsdisp_release(jsdisp);
415 }else if(!is_object_instance(prim)) {
416 jsdisp_release(jsdisp);
420 IDispatch_Release(get_object(prim));
424 hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? valueOfW : toStringW, 0, &id);
425 if(SUCCEEDED(hres)) {
426 hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, &prim);
428 WARN("call error - forwarding exception\n");
429 jsdisp_release(jsdisp);
431 }else if(!is_object_instance(prim)) {
432 jsdisp_release(jsdisp);
436 IDispatch_Release(get_object(prim));
440 jsdisp_release(jsdisp);
443 return throw_type_error(ctx, JS_E_TO_PRIMITIVE, NULL);
446 return jsval_copy(val, ret);
450 /* ECMA-262 3rd Edition 9.2 */
451 HRESULT to_boolean(jsval_t val, BOOL *ret)
453 switch(jsval_type(val)) {
459 *ret = get_object(val) != NULL;
462 *ret = get_string(val) && *get_string(val);
465 *ret = !isnan(get_number(val)) && get_number(val);
468 *ret = get_bool(val);
471 FIXME("unimplemented for variant %s\n", debugstr_variant(get_variant(val)));
479 static int hex_to_int(WCHAR c)
481 if('0' <= c && c <= '9')
484 if('a' <= c && c <= 'f')
487 if('A' <= c && c <= 'F')
493 /* ECMA-262 3rd Edition 9.3.1 */
494 static HRESULT str_to_number(BSTR str, double *ret)
496 const WCHAR *ptr = str;
500 static const WCHAR infinityW[] = {'I','n','f','i','n','i','t','y'};
507 while(isspaceW(*ptr))
513 }else if(*ptr == '+') {
517 if(!strncmpW(ptr, infinityW, sizeof(infinityW)/sizeof(WCHAR))) {
518 ptr += sizeof(infinityW)/sizeof(WCHAR);
519 while(*ptr && isspaceW(*ptr))
525 *ret = neg ? -INFINITY : INFINITY;
529 if(*ptr == '0' && ptr[1] == 'x') {
533 while((l = hex_to_int(*ptr)) != -1) {
542 while(isdigitW(*ptr))
543 d = d*10 + (*ptr++ - '0');
545 if(*ptr == 'e' || *ptr == 'E') {
553 }else if(*ptr == '+') {
557 while(isdigitW(*ptr))
558 l = l*10 + (*ptr++ - '0');
563 }else if(*ptr == '.') {
567 while(isdigitW(*ptr)) {
568 d += dec * (*ptr++ - '0');
573 while(isspaceW(*ptr))
588 /* ECMA-262 3rd Edition 9.3 */
589 HRESULT to_number(script_ctx_t *ctx, jsval_t val, double *ret)
591 switch(jsval_type(val)) {
599 *ret = get_number(val);
602 return str_to_number(get_string(val), ret);
607 hres = to_primitive(ctx, val, &prim, HINT_NUMBER);
611 hres = to_number(ctx, prim, ret);
616 *ret = get_bool(val) ? 1 : 0;
619 FIXME("unimplemented for variant %s\n", debugstr_variant(get_variant(val)));
627 /* ECMA-262 3rd Edition 9.4 */
628 HRESULT to_integer(script_ctx_t *ctx, jsval_t v, double *ret)
633 hres = to_number(ctx, v, &n);
640 *ret = n >= 0.0 ? floor(n) : -floor(-n);
644 /* ECMA-262 3rd Edition 9.5 */
645 HRESULT to_int32(script_ctx_t *ctx, jsval_t v, INT *ret)
650 hres = to_number(ctx, v, &n);
654 *ret = isnan(n) || isinf(n) ? 0 : n;
658 /* ECMA-262 3rd Edition 9.6 */
659 HRESULT to_uint32(script_ctx_t *ctx, jsval_t val, DWORD *ret)
664 hres = to_number(ctx, val, &n);
668 *ret = isnan(n) || isinf(n) ? 0 : n;
672 static BSTR int_to_bstr(int i)
678 static const WCHAR zeroW[] = {'0',0};
679 return SysAllocString(zeroW);
687 p = buf + sizeof(buf)/sizeof(*buf)-1;
699 return SysAllocString(p);
702 HRESULT double_to_bstr(double n, BSTR *str)
704 const WCHAR NaNW[] = {'N','a','N',0};
705 const WCHAR InfinityW[] = {'-','I','n','f','i','n','i','t','y',0};
708 *str = SysAllocString(NaNW);
710 *str = SysAllocString(n<0 ? InfinityW : InfinityW+1);
711 }else if(is_int32(n)) {
712 *str = int_to_bstr(n);
719 V_VT(&strv) = VT_EMPTY;
720 hres = VariantChangeTypeEx(&strv, &v, MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT), 0, VT_BSTR);
724 *str = V_BSTR(&strv);
727 return *str ? S_OK : E_OUTOFMEMORY;
730 /* ECMA-262 3rd Edition 9.8 */
731 HRESULT to_string(script_ctx_t *ctx, jsval_t val, BSTR *str)
733 const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
734 const WCHAR nullW[] = {'n','u','l','l',0};
735 const WCHAR trueW[] = {'t','r','u','e',0};
736 const WCHAR falseW[] = {'f','a','l','s','e',0};
738 switch(jsval_type(val)) {
740 *str = SysAllocString(undefinedW);
743 *str = SysAllocString(nullW);
746 return double_to_bstr(get_number(val), str);
748 *str = clone_bstr(get_string(val));
754 hres = to_primitive(ctx, val, &prim, HINT_STRING);
758 hres = to_string(ctx, prim, str);
763 *str = SysAllocString(get_bool(val) ? trueW : falseW);
766 FIXME("unsupported %s\n", debugstr_jsval(val));
770 return *str ? S_OK : E_OUTOFMEMORY;
773 /* ECMA-262 3rd Edition 9.9 */
774 HRESULT to_object(script_ctx_t *ctx, jsval_t val, IDispatch **disp)
779 switch(jsval_type(val)) {
781 hres = create_string(ctx, get_string(val), SysStringLen(get_string(val)), &dispex);
785 *disp = to_disp(dispex);
788 hres = create_number(ctx, get_number(val), &dispex);
792 *disp = to_disp(dispex);
795 if(get_object(val)) {
796 *disp = get_object(val);
797 IDispatch_AddRef(*disp);
801 hres = create_object(ctx, NULL, &obj);
805 *disp = to_disp(obj);
809 hres = create_bool(ctx, get_bool(val), &dispex);
813 *disp = to_disp(dispex);
816 switch(V_VT(get_variant(val))) {
817 case VT_ARRAY|VT_VARIANT:
818 hres = create_vbarray(ctx, V_ARRAY(get_variant(val)), &dispex);
822 *disp = to_disp(dispex);
826 FIXME("Unsupported %s\n", debugstr_variant(get_variant(val)));
831 FIXME("unsupported %s\n", debugstr_jsval(val));
838 HRESULT variant_change_type(script_ctx_t *ctx, VARIANT *dst, VARIANT *src, VARTYPE vt)
844 hres = variant_to_jsval(src, &val);
853 hres = to_int32(ctx, val, &i);
854 if(SUCCEEDED(hres)) {
864 hres = to_number(ctx, val, &n);
872 hres = to_number(ctx, val, &n);
880 hres = to_boolean(val, &b);
882 V_BOOL(dst) = b ? VARIANT_TRUE : VARIANT_FALSE;
888 hres = to_string(ctx, val, &str);
894 hres = V_VT(src) == VT_EMPTY ? S_OK : E_NOTIMPL;
897 hres = V_VT(src) == VT_NULL ? S_OK : E_NOTIMPL;
900 FIXME("vt %d not implemented\n", vt);
912 static inline JSCaller *impl_from_IServiceProvider(IServiceProvider *iface)
914 return CONTAINING_RECORD(iface, JSCaller, IServiceProvider_iface);
917 static HRESULT WINAPI JSCaller_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
919 JSCaller *This = impl_from_IServiceProvider(iface);
921 if(IsEqualGUID(&IID_IUnknown, riid)) {
922 TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
923 *ppv = &This->IServiceProvider_iface;
924 }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
925 TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
926 *ppv = &This->IServiceProvider_iface;
928 WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
930 return E_NOINTERFACE;
933 IUnknown_AddRef((IUnknown*)*ppv);
937 static ULONG WINAPI JSCaller_AddRef(IServiceProvider *iface)
939 JSCaller *This = impl_from_IServiceProvider(iface);
940 LONG ref = InterlockedIncrement(&This->ref);
942 TRACE("(%p) ref=%d\n", This, ref);
947 static ULONG WINAPI JSCaller_Release(IServiceProvider *iface)
949 JSCaller *This = impl_from_IServiceProvider(iface);
950 LONG ref = InterlockedIncrement(&This->ref);
952 TRACE("(%p) ref=%d\n", This, ref);
962 static HRESULT WINAPI JSCaller_QueryService(IServiceProvider *iface, REFGUID guidService,
963 REFIID riid, void **ppv)
965 JSCaller *This = impl_from_IServiceProvider(iface);
967 if(IsEqualGUID(guidService, &SID_VariantConversion) && This->ctx && This->ctx->active_script) {
968 TRACE("(%p)->(SID_VariantConversion)\n", This);
969 return IActiveScript_QueryInterface(This->ctx->active_script, riid, ppv);
972 FIXME("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
975 return E_NOINTERFACE;
978 static const IServiceProviderVtbl ServiceProviderVtbl = {
979 JSCaller_QueryInterface,
982 JSCaller_QueryService
985 HRESULT create_jscaller(script_ctx_t *ctx)
989 ret = heap_alloc(sizeof(*ret));
991 return E_OUTOFMEMORY;
993 ret->IServiceProvider_iface.lpVtbl = &ServiceProviderVtbl;