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
;