2 * Copyright 2008,2011 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
);
32 static const WCHAR booleanW
[] = {'b','o','o','l','e','a','n',0};
33 static const WCHAR functionW
[] = {'f','u','n','c','t','i','o','n',0};
34 static const WCHAR numberW
[] = {'n','u','m','b','e','r',0};
35 static const WCHAR objectW
[] = {'o','b','j','e','c','t',0};
36 static const WCHAR stringW
[] = {'s','t','r','i','n','g',0};
37 static const WCHAR undefinedW
[] = {'u','n','d','e','f','i','n','e','d',0};
38 static const WCHAR unknownW
[] = {'u','n','k','n','o','w','n',0};
40 struct _except_frame_t
{
67 static HRESULT
stack_push(script_ctx_t
*ctx
, jsval_t v
)
69 if(!ctx
->stack_size
) {
70 ctx
->stack
= heap_alloc(16*sizeof(*ctx
->stack
));
74 }else if(ctx
->stack_size
== ctx
->stack_top
) {
77 new_stack
= heap_realloc(ctx
->stack
, ctx
->stack_size
*2*sizeof(*new_stack
));
83 ctx
->stack
= new_stack
;
87 ctx
->stack
[ctx
->stack_top
++] = v
;
91 static inline HRESULT
stack_push_string(script_ctx_t
*ctx
, const WCHAR
*str
)
99 return stack_push(ctx
, jsval_string(v
));
102 static inline jsval_t
stack_top(script_ctx_t
*ctx
)
104 assert(ctx
->stack_top
> ctx
->call_ctx
->stack_base
);
105 return ctx
->stack
[ctx
->stack_top
-1];
108 static inline jsval_t
*stack_top_ref(script_ctx_t
*ctx
, unsigned n
)
110 assert(ctx
->stack_top
> ctx
->call_ctx
->stack_base
+n
);
111 return ctx
->stack
+ctx
->stack_top
-1-n
;
114 static inline jsval_t
stack_topn(script_ctx_t
*ctx
, unsigned n
)
116 return *stack_top_ref(ctx
, n
);
119 static inline jsval_t
*stack_args(script_ctx_t
*ctx
, unsigned n
)
123 assert(ctx
->stack_top
> ctx
->call_ctx
->stack_base
+n
-1);
124 return ctx
->stack
+ ctx
->stack_top
-n
;
127 static inline jsval_t
stack_pop(script_ctx_t
*ctx
)
129 assert(ctx
->stack_top
> ctx
->call_ctx
->stack_base
);
130 return ctx
->stack
[--ctx
->stack_top
];
133 static void stack_popn(script_ctx_t
*ctx
, unsigned n
)
136 jsval_release(stack_pop(ctx
));
139 static HRESULT
stack_pop_number(script_ctx_t
*ctx
, double *r
)
145 hres
= to_number(ctx
, v
, r
);
150 static HRESULT
stack_pop_object(script_ctx_t
*ctx
, IDispatch
**r
)
156 if(is_object_instance(v
)) {
158 return throw_type_error(ctx
, JS_E_OBJECT_REQUIRED
, NULL
);
163 hres
= to_object(ctx
, v
, r
);
168 static inline HRESULT
stack_pop_int(script_ctx_t
*ctx
, INT
*r
)
170 return to_int32(ctx
, stack_pop(ctx
), r
);
173 static inline HRESULT
stack_pop_uint(script_ctx_t
*ctx
, DWORD
*r
)
175 return to_uint32(ctx
, stack_pop(ctx
), r
);
178 static inline unsigned local_off(call_frame_t
*frame
, int ref
)
181 ? frame
->arguments_off
- ref
-1
182 : frame
->variables_off
+ ref
;
185 static inline BSTR
local_name(call_frame_t
*frame
, int ref
)
187 return ref
< 0 ? frame
->function
->params
[-ref
-1] : frame
->function
->variables
[ref
].name
;
190 /* Steals input reference even on failure. */
191 static HRESULT
stack_push_exprval(script_ctx_t
*ctx
, exprval_t
*val
)
199 hres
= stack_push(ctx
, jsval_disp(val
->u
.idref
.disp
));
201 hres
= stack_push(ctx
, jsval_number(val
->u
.idref
.id
));
203 IDispatch_Release(val
->u
.idref
.disp
);
205 case EXPRVAL_STACK_REF
:
206 hres
= stack_push(ctx
, jsval_number(val
->u
.off
));
208 hres
= stack_push(ctx
, jsval_undefined());
210 case EXPRVAL_INVALID
:
211 hres
= stack_push(ctx
, jsval_undefined());
213 hres
= stack_push(ctx
, jsval_number(val
->u
.hres
));
221 static BOOL
stack_topn_exprval(script_ctx_t
*ctx
, unsigned n
, exprval_t
*r
)
223 jsval_t v
= stack_topn(ctx
, n
+1);
225 switch(jsval_type(v
)) {
227 call_frame_t
*frame
= ctx
->call_ctx
;
228 unsigned off
= get_number(v
);
230 if(!frame
->base_scope
->frame
&& off
>= frame
->arguments_off
) {
235 /* Got stack reference in deoptimized code. Need to convert it back to variable object reference. */
237 assert(off
< frame
->variables_off
+ frame
->function
->var_cnt
);
238 name
= off
>= frame
->variables_off
239 ? frame
->function
->variables
[off
- frame
->variables_off
].name
240 : frame
->function
->params
[off
- frame
->arguments_off
];
241 hres
= jsdisp_get_id(ctx
->call_ctx
->base_scope
->jsobj
, name
, 0, &id
);
243 r
->type
= EXPRVAL_INVALID
;
248 *stack_top_ref(ctx
, n
+1) = jsval_obj(jsdisp_addref(frame
->base_scope
->jsobj
));
249 *stack_top_ref(ctx
, n
) = jsval_number(id
);
250 r
->type
= EXPRVAL_IDREF
;
251 r
->u
.idref
.disp
= frame
->base_scope
->obj
;
256 r
->type
= EXPRVAL_STACK_REF
;
261 r
->type
= EXPRVAL_IDREF
;
262 r
->u
.idref
.disp
= get_object(v
);
263 assert(is_number(stack_topn(ctx
, n
)));
264 r
->u
.idref
.id
= get_number(stack_topn(ctx
, n
));
267 r
->type
= EXPRVAL_INVALID
;
268 assert(is_number(stack_topn(ctx
, n
)));
269 r
->u
.hres
= get_number(stack_topn(ctx
, n
));
277 static inline BOOL
stack_pop_exprval(script_ctx_t
*ctx
, exprval_t
*r
)
279 BOOL ret
= stack_topn_exprval(ctx
, 0, r
);
284 static HRESULT
exprval_propput(script_ctx_t
*ctx
, exprval_t
*ref
, jsval_t v
)
287 case EXPRVAL_STACK_REF
: {
288 jsval_t
*r
= ctx
->stack
+ ref
->u
.off
;
290 return jsval_copy(v
, r
);
293 return disp_propput(ctx
, ref
->u
.idref
.disp
, ref
->u
.idref
.id
, v
);
300 static HRESULT
exprval_propget(script_ctx_t
*ctx
, exprval_t
*ref
, jsval_t
*r
)
303 case EXPRVAL_STACK_REF
:
304 return jsval_copy(ctx
->stack
[ref
->u
.off
], r
);
306 return disp_propget(ctx
, ref
->u
.idref
.disp
, ref
->u
.idref
.id
, r
);
313 static HRESULT
exprval_call(script_ctx_t
*ctx
, exprval_t
*ref
, WORD flags
, unsigned argc
, jsval_t
*argv
, jsval_t
*r
)
316 case EXPRVAL_STACK_REF
: {
317 jsval_t v
= ctx
->stack
[ref
->u
.off
];
319 if(!is_object_instance(v
)) {
320 FIXME("invoke %s\n", debugstr_jsval(v
));
324 return disp_call_value(ctx
, get_object(v
), NULL
, flags
, argc
, argv
, r
);
327 return disp_call(ctx
, ref
->u
.idref
.disp
, ref
->u
.idref
.id
, flags
, argc
, argv
, r
);
334 /* ECMA-262 3rd Edition 8.7.1 */
335 /* Steals input reference. */
336 static HRESULT
exprval_to_value(script_ctx_t
*ctx
, exprval_t
*ref
, jsval_t
*r
)
340 if(ref
->type
== EXPRVAL_JSVAL
) {
345 hres
= exprval_propget(ctx
, ref
, r
);
347 if(ref
->type
== EXPRVAL_IDREF
)
348 IDispatch_Release(ref
->u
.idref
.disp
);
352 static void exprval_release(exprval_t
*val
)
356 jsval_release(val
->u
.val
);
359 if(val
->u
.idref
.disp
)
360 IDispatch_Release(val
->u
.idref
.disp
);
362 case EXPRVAL_STACK_REF
:
363 case EXPRVAL_INVALID
:
368 static inline void exprval_set_exception(exprval_t
*val
, HRESULT hres
)
370 val
->type
= EXPRVAL_INVALID
;
374 static inline void exprval_set_disp_ref(exprval_t
*ref
, IDispatch
*obj
, DISPID id
)
376 ref
->type
= EXPRVAL_IDREF
;
377 IDispatch_AddRef(ref
->u
.idref
.disp
= obj
);
378 ref
->u
.idref
.id
= id
;
381 static inline jsval_t
steal_ret(call_frame_t
*frame
)
383 jsval_t r
= frame
->ret
;
384 frame
->ret
= jsval_undefined();
388 static inline void clear_acc(script_ctx_t
*ctx
)
390 jsval_release(ctx
->acc
);
391 ctx
->acc
= jsval_undefined();
394 static HRESULT
scope_push(scope_chain_t
*scope
, jsdisp_t
*jsobj
, IDispatch
*obj
, scope_chain_t
**ret
)
396 scope_chain_t
*new_scope
;
398 new_scope
= heap_alloc(sizeof(scope_chain_t
));
400 return E_OUTOFMEMORY
;
404 IDispatch_AddRef(obj
);
405 new_scope
->jsobj
= jsobj
;
406 new_scope
->obj
= obj
;
407 new_scope
->frame
= NULL
;
408 new_scope
->next
= scope
? scope_addref(scope
) : NULL
;
414 static void scope_pop(scope_chain_t
**scope
)
423 void clear_ei(script_ctx_t
*ctx
)
425 memset(&ctx
->ei
.ei
, 0, sizeof(ctx
->ei
.ei
));
426 jsval_release(ctx
->ei
.val
);
427 ctx
->ei
.val
= jsval_undefined();
430 void scope_release(scope_chain_t
*scope
)
436 scope_release(scope
->next
);
438 IDispatch_Release(scope
->obj
);
442 static HRESULT
disp_get_id(script_ctx_t
*ctx
, IDispatch
*disp
, const WCHAR
*name
, BSTR name_bstr
, DWORD flags
, DISPID
*id
)
449 jsdisp
= iface_to_jsdisp(disp
);
451 hres
= jsdisp_get_id(jsdisp
, name
, flags
, id
);
452 jsdisp_release(jsdisp
);
459 bstr
= SysAllocString(name
);
461 return E_OUTOFMEMORY
;
465 hres
= IDispatch_QueryInterface(disp
, &IID_IDispatchEx
, (void**)&dispex
);
466 if(SUCCEEDED(hres
)) {
467 hres
= IDispatchEx_GetDispID(dispex
, bstr
, make_grfdex(ctx
, flags
|fdexNameCaseSensitive
), id
);
468 IDispatchEx_Release(dispex
);
470 TRACE("using IDispatch\n");
471 hres
= IDispatch_GetIDsOfNames(disp
, &IID_NULL
, &bstr
, 1, 0, id
);
474 if(name_bstr
!= bstr
)
479 static HRESULT
disp_cmp(IDispatch
*disp1
, IDispatch
*disp2
, BOOL
*ret
)
481 IObjectIdentity
*identity
;
482 IUnknown
*unk1
, *unk2
;
490 if(!disp1
|| !disp2
) {
495 hres
= IDispatch_QueryInterface(disp1
, &IID_IUnknown
, (void**)&unk1
);
499 hres
= IDispatch_QueryInterface(disp2
, &IID_IUnknown
, (void**)&unk2
);
501 IUnknown_Release(unk1
);
508 hres
= IUnknown_QueryInterface(unk1
, &IID_IObjectIdentity
, (void**)&identity
);
509 if(SUCCEEDED(hres
)) {
510 hres
= IObjectIdentity_IsEqualObject(identity
, unk2
);
511 IObjectIdentity_Release(identity
);
518 IUnknown_Release(unk1
);
519 IUnknown_Release(unk2
);
523 /* ECMA-262 3rd Edition 11.9.6 */
524 HRESULT
jsval_strict_equal(jsval_t lval
, jsval_t rval
, BOOL
*ret
)
526 jsval_type_t type
= jsval_type(lval
);
530 if(type
!= jsval_type(rval
)) {
531 if(is_null_instance(lval
))
532 *ret
= is_null_instance(rval
);
544 return disp_cmp(get_object(lval
), get_object(rval
), ret
);
546 *ret
= jsstr_eq(get_string(lval
), get_string(rval
));
549 *ret
= get_number(lval
) == get_number(rval
);
552 *ret
= !get_bool(lval
) == !get_bool(rval
);
555 FIXME("VARIANT not implemented\n");
563 * Transfers local variables from stack to variable object.
564 * It's slow, so we want to avoid it as much as possible.
566 static HRESULT
detach_variable_object(script_ctx_t
*ctx
, call_frame_t
*frame
, BOOL from_release
)
571 if(!frame
->base_scope
|| !frame
->base_scope
->frame
)
574 TRACE("detaching %p\n", frame
);
576 assert(frame
== frame
->base_scope
->frame
);
577 assert(frame
->variable_obj
== frame
->base_scope
->jsobj
);
579 if(!from_release
&& !frame
->arguments_obj
) {
580 hres
= setup_arguments_object(ctx
, frame
);
585 frame
->base_scope
->frame
= NULL
;
587 for(i
= 0; i
< frame
->function
->locals_cnt
; i
++) {
588 hres
= jsdisp_propput_name(frame
->variable_obj
, frame
->function
->locals
[i
].name
,
589 ctx
->stack
[local_off(frame
, frame
->function
->locals
[i
].ref
)]);
597 static BOOL
lookup_global_members(script_ctx_t
*ctx
, BSTR identifier
, exprval_t
*ret
)
603 for(item
= ctx
->named_items
; item
; item
= item
->next
) {
604 if(item
->flags
& SCRIPTITEM_GLOBALMEMBERS
) {
605 hres
= disp_get_id(ctx
, item
->disp
, identifier
, identifier
, 0, &id
);
606 if(SUCCEEDED(hres
)) {
608 exprval_set_disp_ref(ret
, item
->disp
, id
);
617 static int local_ref_cmp(const void *key
, const void *ref
)
619 return strcmpW((const WCHAR
*)key
, ((const local_ref_t
*)ref
)->name
);
622 local_ref_t
*lookup_local(const function_code_t
*function
, const WCHAR
*identifier
)
624 return bsearch(identifier
, function
->locals
, function
->locals_cnt
, sizeof(*function
->locals
), local_ref_cmp
);
627 /* ECMA-262 3rd Edition 10.1.4 */
628 static HRESULT
identifier_eval(script_ctx_t
*ctx
, BSTR identifier
, exprval_t
*ret
)
630 scope_chain_t
*scope
;
635 TRACE("%s\n", debugstr_w(identifier
));
638 for(scope
= ctx
->call_ctx
->scope
; scope
; scope
= scope
->next
) {
640 function_code_t
*func
= scope
->frame
->function
;
641 local_ref_t
*ref
= lookup_local(func
, identifier
);
642 static const WCHAR argumentsW
[] = {'a','r','g','u','m','e','n','t','s',0};
645 ret
->type
= EXPRVAL_STACK_REF
;
646 ret
->u
.off
= local_off(scope
->frame
, ref
->ref
);
647 TRACE("returning ref %d for %d\n", ret
->u
.off
, ref
->ref
);
651 if(!strcmpW(identifier
, argumentsW
)) {
652 hres
= detach_variable_object(ctx
, scope
->frame
, FALSE
);
658 hres
= jsdisp_get_id(scope
->jsobj
, identifier
, fdexNameImplicit
, &id
);
660 hres
= disp_get_id(ctx
, scope
->obj
, identifier
, identifier
, fdexNameImplicit
, &id
);
661 if(SUCCEEDED(hres
)) {
662 exprval_set_disp_ref(ret
, scope
->obj
, id
);
668 hres
= jsdisp_get_id(ctx
->global
, identifier
, 0, &id
);
669 if(SUCCEEDED(hres
)) {
670 exprval_set_disp_ref(ret
, to_disp(ctx
->global
), id
);
674 for(item
= ctx
->named_items
; item
; item
= item
->next
) {
675 if((item
->flags
& SCRIPTITEM_ISVISIBLE
) && !strcmpW(item
->name
, identifier
)) {
682 hres
= IActiveScriptSite_GetItemInfo(ctx
->site
, identifier
,
683 SCRIPTINFO_IUNKNOWN
, &unk
, NULL
);
685 WARN("GetItemInfo failed: %08x\n", hres
);
689 hres
= IUnknown_QueryInterface(unk
, &IID_IDispatch
, (void**)&item
->disp
);
690 IUnknown_Release(unk
);
692 WARN("object does not implement IDispatch\n");
697 IDispatch_AddRef(item
->disp
);
698 ret
->type
= EXPRVAL_JSVAL
;
699 ret
->u
.val
= jsval_disp(item
->disp
);
704 if(lookup_global_members(ctx
, identifier
, ret
))
707 exprval_set_exception(ret
, JS_E_UNDEFINED_VARIABLE
);
711 static inline BSTR
get_op_bstr(script_ctx_t
*ctx
, int i
)
713 call_frame_t
*frame
= ctx
->call_ctx
;
714 return frame
->bytecode
->instrs
[frame
->ip
].u
.arg
[i
].bstr
;
717 static inline unsigned get_op_uint(script_ctx_t
*ctx
, int i
)
719 call_frame_t
*frame
= ctx
->call_ctx
;
720 return frame
->bytecode
->instrs
[frame
->ip
].u
.arg
[i
].uint
;
723 static inline unsigned get_op_int(script_ctx_t
*ctx
, int i
)
725 call_frame_t
*frame
= ctx
->call_ctx
;
726 return frame
->bytecode
->instrs
[frame
->ip
].u
.arg
[i
].lng
;
729 static inline jsstr_t
*get_op_str(script_ctx_t
*ctx
, int i
)
731 call_frame_t
*frame
= ctx
->call_ctx
;
732 return frame
->bytecode
->instrs
[frame
->ip
].u
.arg
[i
].str
;
735 static inline double get_op_double(script_ctx_t
*ctx
)
737 call_frame_t
*frame
= ctx
->call_ctx
;
738 return frame
->bytecode
->instrs
[frame
->ip
].u
.dbl
;
741 static inline void jmp_next(script_ctx_t
*ctx
)
746 static inline void jmp_abs(script_ctx_t
*ctx
, unsigned dst
)
748 ctx
->call_ctx
->ip
= dst
;
751 /* ECMA-262 3rd Edition 12.6.4 */
752 static HRESULT
interp_forin(script_ctx_t
*ctx
)
754 const HRESULT arg
= get_op_uint(ctx
, 0);
755 IDispatch
*obj
= NULL
;
764 assert(is_number(stack_top(ctx
)));
765 id
= get_number(stack_top(ctx
));
767 if(!stack_topn_exprval(ctx
, 1, &prop_ref
)) {
768 FIXME("invalid ref: %08x\n", prop_ref
.u
.hres
);
772 if(is_object_instance(stack_topn(ctx
, 3)))
773 obj
= get_object(stack_topn(ctx
, 3));
776 hres
= IDispatch_QueryInterface(obj
, &IID_IDispatchEx
, (void**)&dispex
);
777 if(SUCCEEDED(hres
)) {
778 hres
= IDispatchEx_GetNextDispID(dispex
, fdexEnumDefault
, id
, &id
);
780 hres
= IDispatchEx_GetMemberName(dispex
, id
, &name
);
781 IDispatchEx_Release(dispex
);
785 TRACE("No IDispatchEx\n");
792 str
= jsstr_alloc_len(name
, SysStringLen(name
));
795 return E_OUTOFMEMORY
;
798 stack_push(ctx
, jsval_number(id
)); /* safe, just after pop() */
800 hres
= exprval_propput(ctx
, &prop_ref
, jsval_string(str
));
813 /* ECMA-262 3rd Edition 12.10 */
814 static HRESULT
interp_push_scope(script_ctx_t
*ctx
)
823 hres
= to_object(ctx
, v
, &disp
);
828 hres
= scope_push(ctx
->call_ctx
->scope
, to_jsdisp(disp
), disp
, &ctx
->call_ctx
->scope
);
829 IDispatch_Release(disp
);
833 /* ECMA-262 3rd Edition 12.10 */
834 static HRESULT
interp_pop_scope(script_ctx_t
*ctx
)
838 scope_pop(&ctx
->call_ctx
->scope
);
842 /* ECMA-262 3rd Edition 12.13 */
843 static HRESULT
interp_case(script_ctx_t
*ctx
)
845 const unsigned arg
= get_op_uint(ctx
, 0);
853 hres
= jsval_strict_equal(stack_top(ctx
), v
, &b
);
867 /* ECMA-262 3rd Edition 12.13 */
868 static HRESULT
interp_throw(script_ctx_t
*ctx
)
872 jsval_release(ctx
->ei
.val
);
873 ctx
->ei
.val
= stack_pop(ctx
);
874 return DISP_E_EXCEPTION
;
877 static HRESULT
interp_throw_ref(script_ctx_t
*ctx
)
879 const HRESULT arg
= get_op_uint(ctx
, 0);
881 TRACE("%08x\n", arg
);
883 return throw_reference_error(ctx
, arg
, NULL
);
886 static HRESULT
interp_throw_type(script_ctx_t
*ctx
)
888 const HRESULT hres
= get_op_uint(ctx
, 0);
889 jsstr_t
*str
= get_op_str(ctx
, 1);
892 TRACE("%08x %s\n", hres
, debugstr_jsstr(str
));
894 ptr
= jsstr_flatten(str
);
895 return ptr
? throw_type_error(ctx
, hres
, ptr
) : E_OUTOFMEMORY
;
898 /* ECMA-262 3rd Edition 12.14 */
899 static HRESULT
interp_push_except(script_ctx_t
*ctx
)
901 const unsigned catch_off
= get_op_uint(ctx
, 0);
902 const unsigned finally_off
= get_op_uint(ctx
, 1);
903 call_frame_t
*frame
= ctx
->call_ctx
;
904 except_frame_t
*except
;
908 except
= heap_alloc(sizeof(*except
));
910 return E_OUTOFMEMORY
;
912 except
->stack_top
= ctx
->stack_top
;
913 except
->scope
= frame
->scope
;
914 except
->catch_off
= catch_off
;
915 except
->finally_off
= finally_off
;
916 except
->next
= frame
->except_frame
;
917 frame
->except_frame
= except
;
921 /* ECMA-262 3rd Edition 12.14 */
922 static HRESULT
interp_pop_except(script_ctx_t
*ctx
)
924 const unsigned ret_off
= get_op_uint(ctx
, 0);
925 call_frame_t
*frame
= ctx
->call_ctx
;
926 except_frame_t
*except
;
927 unsigned finally_off
;
929 TRACE("%u\n", ret_off
);
931 except
= frame
->except_frame
;
932 assert(except
!= NULL
);
934 finally_off
= except
->finally_off
;
935 frame
->except_frame
= except
->next
;
941 hres
= stack_push(ctx
, jsval_number(ret_off
));
944 hres
= stack_push(ctx
, jsval_bool(TRUE
));
947 frame
->ip
= finally_off
;
955 /* ECMA-262 3rd Edition 12.14 */
956 static HRESULT
interp_end_finally(script_ctx_t
*ctx
)
958 call_frame_t
*frame
= ctx
->call_ctx
;
967 TRACE("passing exception\n");
969 ctx
->ei
.val
= stack_pop(ctx
);
970 return DISP_E_EXCEPTION
;
974 assert(is_number(v
));
975 frame
->ip
= get_number(v
);
979 static HRESULT
interp_enter_catch(script_ctx_t
*ctx
)
981 const BSTR ident
= get_op_bstr(ctx
, 0);
986 hres
= create_dispex(ctx
, NULL
, NULL
, &scope_obj
);
991 hres
= jsdisp_propput_name(scope_obj
, ident
, v
);
994 hres
= scope_push(ctx
->call_ctx
->scope
, scope_obj
, to_disp(scope_obj
), &ctx
->call_ctx
->scope
);
995 jsdisp_release(scope_obj
);
999 /* ECMA-262 3rd Edition 13 */
1000 static HRESULT
interp_func(script_ctx_t
*ctx
)
1002 unsigned func_idx
= get_op_uint(ctx
, 0);
1003 call_frame_t
*frame
= ctx
->call_ctx
;
1007 TRACE("%d\n", func_idx
);
1009 hres
= create_source_function(ctx
, frame
->bytecode
, frame
->function
->funcs
+func_idx
,
1010 frame
->scope
, &dispex
);
1014 return stack_push(ctx
, jsval_obj(dispex
));
1017 /* ECMA-262 3rd Edition 11.2.1 */
1018 static HRESULT
interp_array(script_ctx_t
*ctx
)
1029 namev
= stack_pop(ctx
);
1031 hres
= stack_pop_object(ctx
, &obj
);
1033 jsval_release(namev
);
1037 hres
= to_flat_string(ctx
, namev
, &name_str
, &name
);
1038 jsval_release(namev
);
1040 IDispatch_Release(obj
);
1044 hres
= disp_get_id(ctx
, obj
, name
, NULL
, 0, &id
);
1045 jsstr_release(name_str
);
1046 if(SUCCEEDED(hres
)) {
1047 hres
= disp_propget(ctx
, obj
, id
, &v
);
1048 }else if(hres
== DISP_E_UNKNOWNNAME
) {
1049 v
= jsval_undefined();
1052 IDispatch_Release(obj
);
1056 return stack_push(ctx
, v
);
1059 /* ECMA-262 3rd Edition 11.2.1 */
1060 static HRESULT
interp_member(script_ctx_t
*ctx
)
1062 const BSTR arg
= get_op_bstr(ctx
, 0);
1070 hres
= stack_pop_object(ctx
, &obj
);
1074 hres
= disp_get_id(ctx
, obj
, arg
, arg
, 0, &id
);
1075 if(SUCCEEDED(hres
)) {
1076 hres
= disp_propget(ctx
, obj
, id
, &v
);
1077 }else if(hres
== DISP_E_UNKNOWNNAME
) {
1078 v
= jsval_undefined();
1081 IDispatch_Release(obj
);
1085 return stack_push(ctx
, v
);
1088 /* ECMA-262 3rd Edition 11.2.1 */
1089 static HRESULT
interp_memberid(script_ctx_t
*ctx
)
1091 const unsigned arg
= get_op_uint(ctx
, 0);
1092 jsval_t objv
, namev
;
1102 namev
= stack_pop(ctx
);
1103 objv
= stack_pop(ctx
);
1105 hres
= to_object(ctx
, objv
, &obj
);
1106 jsval_release(objv
);
1107 if(SUCCEEDED(hres
)) {
1108 hres
= to_flat_string(ctx
, namev
, &name_str
, &name
);
1110 IDispatch_Release(obj
);
1112 jsval_release(namev
);
1116 hres
= disp_get_id(ctx
, obj
, name
, NULL
, arg
, &id
);
1117 jsstr_release(name_str
);
1118 if(SUCCEEDED(hres
)) {
1119 ref
.type
= EXPRVAL_IDREF
;
1120 ref
.u
.idref
.disp
= obj
;
1121 ref
.u
.idref
.id
= id
;
1123 IDispatch_Release(obj
);
1124 if(hres
== DISP_E_UNKNOWNNAME
&& !(arg
& fdexNameEnsure
)) {
1125 exprval_set_exception(&ref
, JS_E_INVALID_PROPERTY
);
1128 ERR("failed %08x\n", hres
);
1133 return stack_push_exprval(ctx
, &ref
);
1136 /* ECMA-262 3rd Edition 11.2.1 */
1137 static HRESULT
interp_refval(script_ctx_t
*ctx
)
1145 if(!stack_topn_exprval(ctx
, 0, &ref
))
1146 return throw_reference_error(ctx
, JS_E_ILLEGAL_ASSIGN
, NULL
);
1148 hres
= exprval_propget(ctx
, &ref
, &v
);
1152 return stack_push(ctx
, v
);
1155 /* ECMA-262 3rd Edition 11.2.2 */
1156 static HRESULT
interp_new(script_ctx_t
*ctx
)
1158 const unsigned argc
= get_op_uint(ctx
, 0);
1161 TRACE("%d\n", argc
);
1163 constr
= stack_topn(ctx
, argc
);
1165 /* NOTE: Should use to_object here */
1168 return throw_type_error(ctx
, JS_E_OBJECT_EXPECTED
, NULL
);
1169 else if(!is_object_instance(constr
))
1170 return throw_type_error(ctx
, JS_E_INVALID_ACTION
, NULL
);
1171 else if(!get_object(constr
))
1172 return throw_type_error(ctx
, JS_E_INVALID_PROPERTY
, NULL
);
1175 return disp_call_value(ctx
, get_object(constr
), NULL
, DISPATCH_CONSTRUCT
| DISPATCH_JSCRIPT_CALLEREXECSSOURCE
,
1176 argc
, stack_args(ctx
, argc
), &ctx
->acc
);
1179 /* ECMA-262 3rd Edition 11.2.3 */
1180 static HRESULT
interp_call(script_ctx_t
*ctx
)
1182 const unsigned argn
= get_op_uint(ctx
, 0);
1183 const int do_ret
= get_op_int(ctx
, 1);
1186 TRACE("%d %d\n", argn
, do_ret
);
1188 obj
= stack_topn(ctx
, argn
);
1189 if(!is_object_instance(obj
))
1190 return throw_type_error(ctx
, JS_E_INVALID_PROPERTY
, NULL
);
1193 return disp_call_value(ctx
, get_object(obj
), NULL
, DISPATCH_METHOD
| DISPATCH_JSCRIPT_CALLEREXECSSOURCE
,
1194 argn
, stack_args(ctx
, argn
), do_ret
? &ctx
->acc
: NULL
);
1197 /* ECMA-262 3rd Edition 11.2.3 */
1198 static HRESULT
interp_call_member(script_ctx_t
*ctx
)
1200 const unsigned argn
= get_op_uint(ctx
, 0);
1201 const int do_ret
= get_op_int(ctx
, 1);
1204 TRACE("%d %d\n", argn
, do_ret
);
1206 if(!stack_topn_exprval(ctx
, argn
, &ref
))
1207 return throw_type_error(ctx
, ref
.u
.hres
, NULL
);
1210 return exprval_call(ctx
, &ref
, DISPATCH_METHOD
| DISPATCH_JSCRIPT_CALLEREXECSSOURCE
,
1211 argn
, stack_args(ctx
, argn
), do_ret
? &ctx
->acc
: NULL
);
1214 /* ECMA-262 3rd Edition 11.1.1 */
1215 static HRESULT
interp_this(script_ctx_t
*ctx
)
1217 call_frame_t
*frame
= ctx
->call_ctx
;
1221 IDispatch_AddRef(frame
->this_obj
);
1222 return stack_push(ctx
, jsval_disp(frame
->this_obj
));
1225 static HRESULT
interp_identifier_ref(script_ctx_t
*ctx
, BSTR identifier
, unsigned flags
)
1230 hres
= identifier_eval(ctx
, identifier
, &exprval
);
1234 if(exprval
.type
== EXPRVAL_INVALID
&& (flags
& fdexNameEnsure
)) {
1237 hres
= jsdisp_get_id(ctx
->global
, identifier
, fdexNameEnsure
, &id
);
1241 exprval_set_disp_ref(&exprval
, to_disp(ctx
->global
), id
);
1244 if(exprval
.type
== EXPRVAL_JSVAL
|| exprval
.type
== EXPRVAL_INVALID
) {
1245 WARN("invalid ref\n");
1246 exprval_release(&exprval
);
1247 exprval_set_exception(&exprval
, JS_E_OBJECT_EXPECTED
);
1250 return stack_push_exprval(ctx
, &exprval
);
1253 static HRESULT
identifier_value(script_ctx_t
*ctx
, BSTR identifier
)
1259 hres
= identifier_eval(ctx
, identifier
, &exprval
);
1263 if(exprval
.type
== EXPRVAL_INVALID
)
1264 return throw_type_error(ctx
, exprval
.u
.hres
, identifier
);
1266 hres
= exprval_to_value(ctx
, &exprval
, &v
);
1270 return stack_push(ctx
, v
);
1273 static HRESULT
interp_local_ref(script_ctx_t
*ctx
)
1275 const int arg
= get_op_int(ctx
, 0);
1276 const unsigned flags
= get_op_uint(ctx
, 1);
1277 call_frame_t
*frame
= ctx
->call_ctx
;
1282 if(!frame
->base_scope
|| !frame
->base_scope
->frame
)
1283 return interp_identifier_ref(ctx
, local_name(frame
, arg
), flags
);
1285 ref
.type
= EXPRVAL_STACK_REF
;
1286 ref
.u
.off
= local_off(frame
, arg
);
1287 return stack_push_exprval(ctx
, &ref
);
1290 static HRESULT
interp_local(script_ctx_t
*ctx
)
1292 const int arg
= get_op_int(ctx
, 0);
1293 call_frame_t
*frame
= ctx
->call_ctx
;
1297 TRACE("%d: %s\n", arg
, debugstr_w(local_name(frame
, arg
)));
1299 if(!frame
->base_scope
|| !frame
->base_scope
->frame
)
1300 return identifier_value(ctx
, local_name(frame
, arg
));
1302 hres
= jsval_copy(ctx
->stack
[local_off(frame
, arg
)], ©
);
1306 return stack_push(ctx
, copy
);
1309 /* ECMA-262 3rd Edition 10.1.4 */
1310 static HRESULT
interp_ident(script_ctx_t
*ctx
)
1312 const BSTR arg
= get_op_bstr(ctx
, 0);
1314 TRACE("%s\n", debugstr_w(arg
));
1316 return identifier_value(ctx
, arg
);
1319 /* ECMA-262 3rd Edition 10.1.4 */
1320 static HRESULT
interp_identid(script_ctx_t
*ctx
)
1322 const BSTR arg
= get_op_bstr(ctx
, 0);
1323 const unsigned flags
= get_op_uint(ctx
, 1);
1325 TRACE("%s %x\n", debugstr_w(arg
), flags
);
1327 return interp_identifier_ref(ctx
, arg
, flags
);
1330 /* ECMA-262 3rd Edition 7.8.1 */
1331 static HRESULT
interp_null(script_ctx_t
*ctx
)
1335 return stack_push(ctx
, jsval_null());
1338 /* ECMA-262 3rd Edition 7.8.2 */
1339 static HRESULT
interp_bool(script_ctx_t
*ctx
)
1341 const int arg
= get_op_int(ctx
, 0);
1343 TRACE("%s\n", arg
? "true" : "false");
1345 return stack_push(ctx
, jsval_bool(arg
));
1348 /* ECMA-262 3rd Edition 7.8.3 */
1349 static HRESULT
interp_int(script_ctx_t
*ctx
)
1351 const int arg
= get_op_int(ctx
, 0);
1355 return stack_push(ctx
, jsval_number(arg
));
1358 /* ECMA-262 3rd Edition 7.8.3 */
1359 static HRESULT
interp_double(script_ctx_t
*ctx
)
1361 const double arg
= get_op_double(ctx
);
1363 TRACE("%lf\n", arg
);
1365 return stack_push(ctx
, jsval_number(arg
));
1368 /* ECMA-262 3rd Edition 7.8.4 */
1369 static HRESULT
interp_str(script_ctx_t
*ctx
)
1371 jsstr_t
*str
= get_op_str(ctx
, 0);
1373 TRACE("%s\n", debugstr_jsstr(str
));
1375 return stack_push(ctx
, jsval_string(jsstr_addref(str
)));
1378 /* ECMA-262 3rd Edition 7.8 */
1379 static HRESULT
interp_regexp(script_ctx_t
*ctx
)
1381 jsstr_t
*source
= get_op_str(ctx
, 0);
1382 const unsigned flags
= get_op_uint(ctx
, 1);
1386 TRACE("%s %x\n", debugstr_jsstr(source
), flags
);
1388 hres
= create_regexp(ctx
, source
, flags
, ®exp
);
1392 return stack_push(ctx
, jsval_obj(regexp
));
1395 /* ECMA-262 3rd Edition 11.1.4 */
1396 static HRESULT
interp_carray(script_ctx_t
*ctx
)
1398 const unsigned arg
= get_op_uint(ctx
, 0);
1404 hres
= create_array(ctx
, arg
, &array
);
1408 return stack_push(ctx
, jsval_obj(array
));
1411 static HRESULT
interp_carray_set(script_ctx_t
*ctx
)
1413 const unsigned index
= get_op_uint(ctx
, 0);
1414 jsval_t value
, array
;
1417 value
= stack_pop(ctx
);
1419 TRACE("[%u] = %s\n", index
, debugstr_jsval(value
));
1421 array
= stack_top(ctx
);
1422 assert(is_object_instance(array
));
1424 hres
= jsdisp_propput_idx(iface_to_jsdisp(get_object(array
)), index
, value
);
1425 jsval_release(value
);
1429 /* ECMA-262 3rd Edition 11.1.5 */
1430 static HRESULT
interp_new_obj(script_ctx_t
*ctx
)
1437 hres
= create_object(ctx
, NULL
, &obj
);
1441 return stack_push(ctx
, jsval_obj(obj
));
1444 /* ECMA-262 3rd Edition 11.1.5 */
1445 static HRESULT
interp_obj_prop(script_ctx_t
*ctx
)
1447 const BSTR name
= get_op_bstr(ctx
, 0);
1448 unsigned type
= get_op_uint(ctx
, 1);
1453 TRACE("%s\n", debugstr_w(name
));
1455 val
= stack_pop(ctx
);
1457 assert(is_object_instance(stack_top(ctx
)));
1458 obj
= as_jsdisp(get_object(stack_top(ctx
)));
1460 if(type
== PROPERTY_DEFINITION_VALUE
) {
1461 hres
= jsdisp_propput_name(obj
, name
, val
);
1463 property_desc_t desc
= {PROPF_ENUMERABLE
| PROPF_CONFIGURABLE
};
1466 assert(is_object_instance(val
));
1467 func
= iface_to_jsdisp(get_object(val
));
1469 desc
.mask
= desc
.flags
;
1470 if(type
== PROPERTY_DEFINITION_GETTER
) {
1471 desc
.explicit_getter
= TRUE
;
1474 desc
.explicit_setter
= TRUE
;
1478 hres
= jsdisp_define_property(obj
, name
, &desc
);
1479 jsdisp_release(func
);
1486 /* ECMA-262 3rd Edition 11.11 */
1487 static HRESULT
interp_cnd_nz(script_ctx_t
*ctx
)
1489 const unsigned arg
= get_op_uint(ctx
, 0);
1495 hres
= to_boolean(stack_top(ctx
), &b
);
1508 /* ECMA-262 3rd Edition 11.11 */
1509 static HRESULT
interp_cnd_z(script_ctx_t
*ctx
)
1511 const unsigned arg
= get_op_uint(ctx
, 0);
1517 hres
= to_boolean(stack_top(ctx
), &b
);
1530 /* ECMA-262 3rd Edition 11.10 */
1531 static HRESULT
interp_or(script_ctx_t
*ctx
)
1538 hres
= stack_pop_int(ctx
, &r
);
1542 hres
= stack_pop_int(ctx
, &l
);
1546 return stack_push(ctx
, jsval_number(l
|r
));
1549 /* ECMA-262 3rd Edition 11.10 */
1550 static HRESULT
interp_xor(script_ctx_t
*ctx
)
1557 hres
= stack_pop_int(ctx
, &r
);
1561 hres
= stack_pop_int(ctx
, &l
);
1565 return stack_push(ctx
, jsval_number(l
^r
));
1568 /* ECMA-262 3rd Edition 11.10 */
1569 static HRESULT
interp_and(script_ctx_t
*ctx
)
1576 hres
= stack_pop_int(ctx
, &r
);
1580 hres
= stack_pop_int(ctx
, &l
);
1584 return stack_push(ctx
, jsval_number(l
&r
));
1587 /* ECMA-262 3rd Edition 11.8.6 */
1588 static HRESULT
interp_instanceof(script_ctx_t
*ctx
)
1590 jsdisp_t
*obj
, *iter
, *tmp
= NULL
;
1595 static const WCHAR prototypeW
[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1598 if(!is_object_instance(v
) || !get_object(v
)) {
1600 return throw_type_error(ctx
, JS_E_FUNCTION_EXPECTED
, NULL
);
1603 obj
= iface_to_jsdisp(get_object(v
));
1604 IDispatch_Release(get_object(v
));
1606 FIXME("non-jsdisp objects not supported\n");
1610 if(is_class(obj
, JSCLASS_FUNCTION
)) {
1611 hres
= jsdisp_propget_name(obj
, prototypeW
, &prot
);
1613 hres
= throw_type_error(ctx
, JS_E_FUNCTION_EXPECTED
, NULL
);
1615 jsdisp_release(obj
);
1621 if(is_object_instance(prot
)) {
1622 if(is_object_instance(v
))
1623 tmp
= iface_to_jsdisp(get_object(v
));
1624 for(iter
= tmp
; !ret
&& iter
; iter
= iter
->prototype
) {
1625 hres
= disp_cmp(get_object(prot
), to_disp(iter
), &ret
);
1631 jsdisp_release(tmp
);
1633 FIXME("prototype is not an object\n");
1637 jsval_release(prot
);
1642 return stack_push(ctx
, jsval_bool(ret
));
1645 /* ECMA-262 3rd Edition 11.8.7 */
1646 static HRESULT
interp_in(script_ctx_t
*ctx
)
1657 obj
= stack_pop(ctx
);
1658 if(!is_object_instance(obj
) || !get_object(obj
)) {
1660 return throw_type_error(ctx
, JS_E_OBJECT_EXPECTED
, NULL
);
1664 hres
= to_flat_string(ctx
, v
, &jsstr
, &str
);
1667 IDispatch_Release(get_object(obj
));
1671 hres
= disp_get_id(ctx
, get_object(obj
), str
, NULL
, 0, &id
);
1672 IDispatch_Release(get_object(obj
));
1673 jsstr_release(jsstr
);
1676 else if(hres
== DISP_E_UNKNOWNNAME
)
1681 return stack_push(ctx
, jsval_bool(ret
));
1684 /* ECMA-262 3rd Edition 11.6.1 */
1685 static HRESULT
add_eval(script_ctx_t
*ctx
, jsval_t lval
, jsval_t rval
, jsval_t
*ret
)
1690 hres
= to_primitive(ctx
, lval
, &l
, NO_HINT
);
1694 hres
= to_primitive(ctx
, rval
, &r
, NO_HINT
);
1700 if(is_string(l
) || is_string(r
)) {
1701 jsstr_t
*lstr
, *rstr
= NULL
;
1703 hres
= to_string(ctx
, l
, &lstr
);
1705 hres
= to_string(ctx
, r
, &rstr
);
1707 if(SUCCEEDED(hres
)) {
1710 ret_str
= jsstr_concat(lstr
, rstr
);
1712 *ret
= jsval_string(ret_str
);
1714 hres
= E_OUTOFMEMORY
;
1717 jsstr_release(lstr
);
1719 jsstr_release(rstr
);
1723 hres
= to_number(ctx
, l
, &nl
);
1724 if(SUCCEEDED(hres
)) {
1725 hres
= to_number(ctx
, r
, &nr
);
1727 *ret
= jsval_number(nl
+nr
);
1736 /* ECMA-262 3rd Edition 11.6.1 */
1737 static HRESULT
interp_add(script_ctx_t
*ctx
)
1745 TRACE("%s + %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
1747 hres
= add_eval(ctx
, l
, r
, &ret
);
1753 return stack_push(ctx
, ret
);
1756 /* ECMA-262 3rd Edition 11.6.2 */
1757 static HRESULT
interp_sub(script_ctx_t
*ctx
)
1764 hres
= stack_pop_number(ctx
, &r
);
1768 hres
= stack_pop_number(ctx
, &l
);
1772 return stack_push(ctx
, jsval_number(l
-r
));
1775 /* ECMA-262 3rd Edition 11.5.1 */
1776 static HRESULT
interp_mul(script_ctx_t
*ctx
)
1783 hres
= stack_pop_number(ctx
, &r
);
1787 hres
= stack_pop_number(ctx
, &l
);
1791 return stack_push(ctx
, jsval_number(l
*r
));
1794 /* ECMA-262 3rd Edition 11.5.2 */
1795 static HRESULT
interp_div(script_ctx_t
*ctx
)
1802 hres
= stack_pop_number(ctx
, &r
);
1806 hres
= stack_pop_number(ctx
, &l
);
1810 return stack_push(ctx
, jsval_number(l
/r
));
1813 /* ECMA-262 3rd Edition 11.5.3 */
1814 static HRESULT
interp_mod(script_ctx_t
*ctx
)
1821 hres
= stack_pop_number(ctx
, &r
);
1825 hres
= stack_pop_number(ctx
, &l
);
1829 return stack_push(ctx
, jsval_number(fmod(l
, r
)));
1832 /* ECMA-262 3rd Edition 11.4.2 */
1833 static HRESULT
interp_delete(script_ctx_t
*ctx
)
1835 jsval_t objv
, namev
;
1843 namev
= stack_pop(ctx
);
1844 objv
= stack_pop(ctx
);
1846 hres
= to_object(ctx
, objv
, &obj
);
1847 jsval_release(objv
);
1849 jsval_release(namev
);
1853 hres
= to_string(ctx
, namev
, &name
);
1854 jsval_release(namev
);
1856 IDispatch_Release(obj
);
1860 hres
= disp_delete_name(ctx
, obj
, name
, &ret
);
1861 IDispatch_Release(obj
);
1862 jsstr_release(name
);
1866 return stack_push(ctx
, jsval_bool(ret
));
1869 /* ECMA-262 3rd Edition 11.4.2 */
1870 static HRESULT
interp_delete_ident(script_ctx_t
*ctx
)
1872 const BSTR arg
= get_op_bstr(ctx
, 0);
1877 TRACE("%s\n", debugstr_w(arg
));
1879 hres
= identifier_eval(ctx
, arg
, &exprval
);
1883 switch(exprval
.type
) {
1884 case EXPRVAL_STACK_REF
:
1888 hres
= disp_delete(exprval
.u
.idref
.disp
, exprval
.u
.idref
.id
, &ret
);
1889 IDispatch_Release(exprval
.u
.idref
.disp
);
1893 case EXPRVAL_INVALID
:
1897 FIXME("Unsupported exprval\n");
1898 exprval_release(&exprval
);
1903 return stack_push(ctx
, jsval_bool(ret
));
1906 /* ECMA-262 3rd Edition 11.4.2 */
1907 static HRESULT
interp_void(script_ctx_t
*ctx
)
1912 return stack_push(ctx
, jsval_undefined());
1915 /* ECMA-262 3rd Edition 11.4.3 */
1916 static HRESULT
typeof_string(jsval_t v
, const WCHAR
**ret
)
1918 switch(jsval_type(v
)) {
1928 if(get_object(v
) && (dispex
= iface_to_jsdisp(get_object(v
)))) {
1929 *ret
= is_class(dispex
, JSCLASS_FUNCTION
) ? functionW
: objectW
;
1930 jsdisp_release(dispex
);
1946 FIXME("unhandled variant %s\n", debugstr_variant(get_variant(v
)));
1953 /* ECMA-262 3rd Edition 11.4.3 */
1954 static HRESULT
interp_typeofid(script_ctx_t
*ctx
)
1963 if(!stack_pop_exprval(ctx
, &ref
))
1964 return stack_push(ctx
, jsval_string(jsstr_undefined()));
1966 hres
= exprval_propget(ctx
, &ref
, &v
);
1967 exprval_release(&ref
);
1969 return stack_push_string(ctx
, unknownW
);
1971 hres
= typeof_string(v
, &ret
);
1976 return stack_push_string(ctx
, ret
);
1979 /* ECMA-262 3rd Edition 11.4.3 */
1980 static HRESULT
interp_typeofident(script_ctx_t
*ctx
)
1982 const BSTR arg
= get_op_bstr(ctx
, 0);
1988 TRACE("%s\n", debugstr_w(arg
));
1990 hres
= identifier_eval(ctx
, arg
, &exprval
);
1994 if(exprval
.type
== EXPRVAL_INVALID
)
1995 return stack_push(ctx
, jsval_string(jsstr_undefined()));
1997 hres
= exprval_to_value(ctx
, &exprval
, &v
);
2001 hres
= typeof_string(v
, &ret
);
2006 return stack_push_string(ctx
, ret
);
2009 /* ECMA-262 3rd Edition 11.4.3 */
2010 static HRESULT
interp_typeof(script_ctx_t
*ctx
)
2019 hres
= typeof_string(v
, &ret
);
2024 return stack_push_string(ctx
, ret
);
2027 /* ECMA-262 3rd Edition 11.4.7 */
2028 static HRESULT
interp_minus(script_ctx_t
*ctx
)
2035 hres
= stack_pop_number(ctx
, &n
);
2039 return stack_push(ctx
, jsval_number(-n
));
2042 /* ECMA-262 3rd Edition 11.4.6 */
2043 static HRESULT
interp_tonum(script_ctx_t
*ctx
)
2052 hres
= to_number(ctx
, v
, &n
);
2057 return stack_push(ctx
, jsval_number(n
));
2060 /* ECMA-262 3rd Edition 11.3.1 */
2061 static HRESULT
interp_postinc(script_ctx_t
*ctx
)
2063 const int arg
= get_op_int(ctx
, 0);
2070 if(!stack_pop_exprval(ctx
, &ref
))
2071 return throw_type_error(ctx
, JS_E_OBJECT_EXPECTED
, NULL
);
2073 hres
= exprval_propget(ctx
, &ref
, &v
);
2074 if(SUCCEEDED(hres
)) {
2077 hres
= to_number(ctx
, v
, &n
);
2079 hres
= exprval_propput(ctx
, &ref
, jsval_number(n
+(double)arg
));
2083 exprval_release(&ref
);
2087 return stack_push(ctx
, v
);
2090 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
2091 static HRESULT
interp_preinc(script_ctx_t
*ctx
)
2093 const int arg
= get_op_int(ctx
, 0);
2101 if(!stack_pop_exprval(ctx
, &ref
))
2102 return throw_type_error(ctx
, JS_E_OBJECT_EXPECTED
, NULL
);
2104 hres
= exprval_propget(ctx
, &ref
, &v
);
2105 if(SUCCEEDED(hres
)) {
2108 hres
= to_number(ctx
, v
, &n
);
2110 if(SUCCEEDED(hres
)) {
2111 ret
= n
+(double)arg
;
2112 hres
= exprval_propput(ctx
, &ref
, jsval_number(ret
));
2115 exprval_release(&ref
);
2119 return stack_push(ctx
, jsval_number(ret
));
2122 /* ECMA-262 3rd Edition 11.9.3 */
2123 static HRESULT
equal_values(script_ctx_t
*ctx
, jsval_t lval
, jsval_t rval
, BOOL
*ret
)
2125 if(jsval_type(lval
) == jsval_type(rval
) || (is_number(lval
) && is_number(rval
)))
2126 return jsval_strict_equal(lval
, rval
, ret
);
2128 /* FIXME: NULL disps should be handled in more general way */
2129 if(is_object_instance(lval
) && !get_object(lval
))
2130 return equal_values(ctx
, jsval_null(), rval
, ret
);
2131 if(is_object_instance(rval
) && !get_object(rval
))
2132 return equal_values(ctx
, lval
, jsval_null(), ret
);
2134 if((is_null(lval
) && is_undefined(rval
)) || (is_undefined(lval
) && is_null(rval
))) {
2139 if(is_string(lval
) && is_number(rval
)) {
2143 hres
= to_number(ctx
, lval
, &n
);
2147 /* FIXME: optimize */
2148 return equal_values(ctx
, jsval_number(n
), rval
, ret
);
2151 if(is_string(rval
) && is_number(lval
)) {
2155 hres
= to_number(ctx
, rval
, &n
);
2159 /* FIXME: optimize */
2160 return equal_values(ctx
, lval
, jsval_number(n
), ret
);
2164 return equal_values(ctx
, lval
, jsval_number(get_bool(rval
) ? 1 : 0), ret
);
2167 return equal_values(ctx
, jsval_number(get_bool(lval
) ? 1 : 0), rval
, ret
);
2170 if(is_object_instance(rval
) && (is_string(lval
) || is_number(lval
))) {
2174 hres
= to_primitive(ctx
, rval
, &prim
, NO_HINT
);
2178 hres
= equal_values(ctx
, lval
, prim
, ret
);
2179 jsval_release(prim
);
2184 if(is_object_instance(lval
) && (is_string(rval
) || is_number(rval
))) {
2188 hres
= to_primitive(ctx
, lval
, &prim
, NO_HINT
);
2192 hres
= equal_values(ctx
, prim
, rval
, ret
);
2193 jsval_release(prim
);
2202 /* ECMA-262 3rd Edition 11.9.1 */
2203 static HRESULT
interp_eq(script_ctx_t
*ctx
)
2212 TRACE("%s == %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2214 hres
= equal_values(ctx
, l
, r
, &b
);
2220 return stack_push(ctx
, jsval_bool(b
));
2223 /* ECMA-262 3rd Edition 11.9.2 */
2224 static HRESULT
interp_neq(script_ctx_t
*ctx
)
2233 TRACE("%s != %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2235 hres
= equal_values(ctx
, l
, r
, &b
);
2241 return stack_push(ctx
, jsval_bool(!b
));
2244 /* ECMA-262 3rd Edition 11.9.4 */
2245 static HRESULT
interp_eq2(script_ctx_t
*ctx
)
2254 TRACE("%s === %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2256 hres
= jsval_strict_equal(r
, l
, &b
);
2262 return stack_push(ctx
, jsval_bool(b
));
2265 /* ECMA-262 3rd Edition 11.9.5 */
2266 static HRESULT
interp_neq2(script_ctx_t
*ctx
)
2277 hres
= jsval_strict_equal(r
, l
, &b
);
2283 return stack_push(ctx
, jsval_bool(!b
));
2286 /* ECMA-262 3rd Edition 11.8.5 */
2287 static HRESULT
less_eval(script_ctx_t
*ctx
, jsval_t lval
, jsval_t rval
, BOOL greater
, BOOL
*ret
)
2293 hres
= to_primitive(ctx
, lval
, &l
, NO_HINT
);
2297 hres
= to_primitive(ctx
, rval
, &r
, NO_HINT
);
2303 if(is_string(l
) && is_string(r
)) {
2304 *ret
= (jsstr_cmp(get_string(l
), get_string(r
)) < 0) ^ greater
;
2305 jsstr_release(get_string(l
));
2306 jsstr_release(get_string(r
));
2310 hres
= to_number(ctx
, l
, &ln
);
2313 hres
= to_number(ctx
, r
, &rn
);
2318 *ret
= !isnan(ln
) && !isnan(rn
) && ((ln
< rn
) ^ greater
);
2322 /* ECMA-262 3rd Edition 11.8.1 */
2323 static HRESULT
interp_lt(script_ctx_t
*ctx
)
2332 TRACE("%s < %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2334 hres
= less_eval(ctx
, l
, r
, FALSE
, &b
);
2340 return stack_push(ctx
, jsval_bool(b
));
2343 /* ECMA-262 3rd Edition 11.8.1 */
2344 static HRESULT
interp_lteq(script_ctx_t
*ctx
)
2353 TRACE("%s <= %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2355 hres
= less_eval(ctx
, r
, l
, TRUE
, &b
);
2361 return stack_push(ctx
, jsval_bool(b
));
2364 /* ECMA-262 3rd Edition 11.8.2 */
2365 static HRESULT
interp_gt(script_ctx_t
*ctx
)
2374 TRACE("%s > %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2376 hres
= less_eval(ctx
, r
, l
, FALSE
, &b
);
2382 return stack_push(ctx
, jsval_bool(b
));
2385 /* ECMA-262 3rd Edition 11.8.4 */
2386 static HRESULT
interp_gteq(script_ctx_t
*ctx
)
2395 TRACE("%s >= %s\n", debugstr_jsval(l
), debugstr_jsval(r
));
2397 hres
= less_eval(ctx
, l
, r
, TRUE
, &b
);
2403 return stack_push(ctx
, jsval_bool(b
));
2406 /* ECMA-262 3rd Edition 11.4.8 */
2407 static HRESULT
interp_bneg(script_ctx_t
*ctx
)
2416 hres
= to_int32(ctx
, v
, &i
);
2421 return stack_push(ctx
, jsval_number(~i
));
2424 /* ECMA-262 3rd Edition 11.4.9 */
2425 static HRESULT
interp_neg(script_ctx_t
*ctx
)
2434 hres
= to_boolean(v
, &b
);
2439 return stack_push(ctx
, jsval_bool(!b
));
2442 /* ECMA-262 3rd Edition 11.7.1 */
2443 static HRESULT
interp_lshift(script_ctx_t
*ctx
)
2449 hres
= stack_pop_uint(ctx
, &r
);
2453 hres
= stack_pop_int(ctx
, &l
);
2457 return stack_push(ctx
, jsval_number(l
<< (r
&0x1f)));
2460 /* ECMA-262 3rd Edition 11.7.2 */
2461 static HRESULT
interp_rshift(script_ctx_t
*ctx
)
2467 hres
= stack_pop_uint(ctx
, &r
);
2471 hres
= stack_pop_int(ctx
, &l
);
2475 return stack_push(ctx
, jsval_number(l
>> (r
&0x1f)));
2478 /* ECMA-262 3rd Edition 11.7.3 */
2479 static HRESULT
interp_rshift2(script_ctx_t
*ctx
)
2484 hres
= stack_pop_uint(ctx
, &r
);
2488 hres
= stack_pop_uint(ctx
, &l
);
2492 return stack_push(ctx
, jsval_number(l
>> (r
&0x1f)));
2495 /* ECMA-262 3rd Edition 11.13.1 */
2496 static HRESULT
interp_assign(script_ctx_t
*ctx
)
2506 if(!stack_pop_exprval(ctx
, &ref
)) {
2508 return throw_reference_error(ctx
, JS_E_ILLEGAL_ASSIGN
, NULL
);
2511 hres
= exprval_propput(ctx
, &ref
, v
);
2512 exprval_release(&ref
);
2518 return stack_push(ctx
, v
);
2521 /* JScript extension */
2522 static HRESULT
interp_assign_call(script_ctx_t
*ctx
)
2524 const unsigned argc
= get_op_uint(ctx
, 0);
2529 TRACE("%u\n", argc
);
2531 if(!stack_topn_exprval(ctx
, argc
+1, &ref
))
2532 return throw_reference_error(ctx
, JS_E_ILLEGAL_ASSIGN
, NULL
);
2534 hres
= exprval_call(ctx
, &ref
, DISPATCH_PROPERTYPUT
, argc
+1, stack_args(ctx
, argc
+1), NULL
);
2539 stack_popn(ctx
, argc
+2);
2540 return stack_push(ctx
, v
);
2543 static HRESULT
interp_undefined(script_ctx_t
*ctx
)
2547 return stack_push(ctx
, jsval_undefined());
2550 static HRESULT
interp_jmp(script_ctx_t
*ctx
)
2552 const unsigned arg
= get_op_uint(ctx
, 0);
2560 static HRESULT
interp_jmp_z(script_ctx_t
*ctx
)
2562 const unsigned arg
= get_op_uint(ctx
, 0);
2570 hres
= to_boolean(v
, &b
);
2582 static HRESULT
interp_pop(script_ctx_t
*ctx
)
2584 const unsigned arg
= get_op_uint(ctx
, 0);
2588 stack_popn(ctx
, arg
);
2592 static HRESULT
interp_ret(script_ctx_t
*ctx
)
2594 const unsigned clear_ret
= get_op_uint(ctx
, 0);
2595 call_frame_t
*frame
= ctx
->call_ctx
;
2600 jsval_release(steal_ret(frame
));
2602 if((frame
->flags
& EXEC_CONSTRUCTOR
) && !is_object_instance(frame
->ret
)) {
2603 jsval_release(frame
->ret
);
2604 IDispatch_AddRef(frame
->this_obj
);
2605 frame
->ret
= jsval_disp(frame
->this_obj
);
2612 static HRESULT
interp_setret(script_ctx_t
*ctx
)
2614 call_frame_t
*frame
= ctx
->call_ctx
;
2618 jsval_release(frame
->ret
);
2619 frame
->ret
= stack_pop(ctx
);
2623 static HRESULT
interp_push_acc(script_ctx_t
*ctx
)
2629 hres
= stack_push(ctx
, ctx
->acc
);
2631 ctx
->acc
= jsval_undefined();
2635 typedef HRESULT (*op_func_t
)(script_ctx_t
*);
2637 static const op_func_t op_funcs
[] = {
2638 #define X(x,a,b,c) interp_##x,
2643 static const unsigned op_move
[] = {
2644 #define X(a,x,b,c) x,
2649 static void pop_call_frame(script_ctx_t
*ctx
)
2651 call_frame_t
*frame
= ctx
->call_ctx
;
2653 frame
->stack_base
-= frame
->pop_locals
+ frame
->pop_variables
;
2655 assert(frame
->scope
== frame
->base_scope
);
2657 /* If current scope will be kept alive, we need to transfer local variables to its variable object. */
2658 if(frame
->scope
&& frame
->scope
->ref
> 1) {
2659 HRESULT hres
= detach_variable_object(ctx
, frame
, TRUE
);
2661 ERR("Failed to detach variable object: %08x\n", hres
);
2664 if(frame
->arguments_obj
)
2665 detach_arguments_object(frame
->arguments_obj
);
2667 scope_release(frame
->scope
);
2669 if(frame
->pop_variables
)
2670 stack_popn(ctx
, frame
->pop_variables
);
2671 stack_popn(ctx
, frame
->pop_locals
);
2673 ctx
->call_ctx
= frame
->prev_frame
;
2675 if(frame
->function_instance
)
2676 jsdisp_release(frame
->function_instance
);
2677 if(frame
->variable_obj
)
2678 jsdisp_release(frame
->variable_obj
);
2680 IDispatch_Release(frame
->this_obj
);
2681 jsval_release(frame
->ret
);
2682 release_bytecode(frame
->bytecode
);
2686 static void print_backtrace(script_ctx_t
*ctx
)
2688 unsigned depth
= 0, i
;
2689 call_frame_t
*frame
;
2691 for(frame
= ctx
->call_ctx
; frame
; frame
= frame
->prev_frame
) {
2692 WARN("%u\t", depth
);
2695 if(frame
->this_obj
&& frame
->this_obj
!= to_disp(ctx
->global
) && frame
->this_obj
!= ctx
->host_global
)
2696 WARN("%p->", frame
->this_obj
);
2697 WARN("%s(", frame
->function
->name
? debugstr_w(frame
->function
->name
) : "[unnamed]");
2698 if(frame
->base_scope
&& frame
->base_scope
->frame
) {
2699 for(i
=0; i
< frame
->argc
; i
++) {
2700 if(i
< frame
->function
->param_cnt
)
2701 WARN("%s%s=%s", i
? ", " : "", debugstr_w(frame
->function
->params
[i
]),
2702 debugstr_jsval(ctx
->stack
[local_off(frame
, -i
-1)]));
2704 WARN("%s%s", i
? ", " : "", debugstr_jsval(ctx
->stack
[local_off(frame
, -i
-1)]));
2707 WARN("[detached frame]");
2711 if(!(frame
->flags
& EXEC_RETURN_TO_INTERP
)) {
2712 WARN("%u\t[native code]\n", depth
);
2718 static HRESULT
unwind_exception(script_ctx_t
*ctx
, HRESULT exception_hres
)
2720 except_frame_t
*except_frame
;
2721 call_frame_t
*frame
;
2726 if(WARN_ON(jscript
)) {
2727 jsdisp_t
*error_obj
;
2730 static const WCHAR messageW
[] = {'m','e','s','s','a','g','e',0};
2732 WARN("Exception %08x %s", exception_hres
, debugstr_jsval(ctx
->ei
.val
));
2733 if(jsval_type(ctx
->ei
.val
) == JSV_OBJECT
) {
2734 error_obj
= to_jsdisp(get_object(ctx
->ei
.val
));
2736 hres
= jsdisp_propget_name(error_obj
, messageW
, &msg
);
2737 if(SUCCEEDED(hres
)) {
2738 WARN(" (message %s)", debugstr_jsval(msg
));
2745 print_backtrace(ctx
);
2748 for(frame
= ctx
->call_ctx
; !frame
->except_frame
; frame
= ctx
->call_ctx
) {
2751 while(frame
->scope
!= frame
->base_scope
)
2752 scope_pop(&frame
->scope
);
2754 stack_popn(ctx
, ctx
->stack_top
-frame
->stack_base
);
2756 flags
= frame
->flags
;
2757 pop_call_frame(ctx
);
2758 if(!(flags
& EXEC_RETURN_TO_INTERP
))
2759 return exception_hres
;
2762 except_frame
= frame
->except_frame
;
2763 catch_off
= except_frame
->catch_off
;
2765 assert(except_frame
->stack_top
<= ctx
->stack_top
);
2766 stack_popn(ctx
, ctx
->stack_top
- except_frame
->stack_top
);
2768 while(except_frame
->scope
!= frame
->scope
)
2769 scope_pop(&frame
->scope
);
2771 frame
->ip
= catch_off
? catch_off
: except_frame
->finally_off
;
2772 if(catch_off
) assert(frame
->bytecode
->instrs
[frame
->ip
].op
== OP_enter_catch
);
2774 except_val
= ctx
->ei
.val
;
2775 ctx
->ei
.val
= jsval_undefined();
2778 /* keep current except_frame if we're entering catch block with finally block associated */
2779 if(catch_off
&& except_frame
->finally_off
) {
2780 except_frame
->catch_off
= 0;
2782 frame
->except_frame
= except_frame
->next
;
2783 heap_free(except_frame
);
2786 hres
= stack_push(ctx
, except_val
);
2791 hres
= stack_push(ctx
, jsval_bool(FALSE
));
2795 static HRESULT
enter_bytecode(script_ctx_t
*ctx
, jsval_t
*r
)
2797 call_frame_t
*frame
;
2799 HRESULT hres
= S_OK
;
2804 frame
= ctx
->call_ctx
;
2805 op
= frame
->bytecode
->instrs
[frame
->ip
].op
;
2806 hres
= op_funcs
[op
](ctx
);
2808 hres
= unwind_exception(ctx
, hres
);
2811 }else if(frame
->ip
== -1) {
2812 const DWORD return_to_interp
= frame
->flags
& EXEC_RETURN_TO_INTERP
;
2814 assert(ctx
->stack_top
== frame
->stack_base
);
2815 assert(frame
->scope
== frame
->base_scope
);
2817 if(return_to_interp
) {
2818 jsval_release(ctx
->acc
);
2819 ctx
->acc
= steal_ret(frame
);
2821 *r
= steal_ret(frame
);
2823 pop_call_frame(ctx
);
2824 if(!return_to_interp
)
2827 frame
->ip
+= op_move
[op
];
2834 static HRESULT
bind_event_target(script_ctx_t
*ctx
, function_code_t
*func
, jsdisp_t
*func_obj
)
2836 IBindEventHandler
*target
;
2842 hres
= identifier_eval(ctx
, func
->event_target
, &exprval
);
2846 hres
= exprval_to_value(ctx
, &exprval
, &v
);
2850 if(!is_object_instance(v
)) {
2851 FIXME("Can't bind to %s\n", debugstr_jsval(v
));
2855 disp
= get_object(v
);
2856 hres
= IDispatch_QueryInterface(disp
, &IID_IBindEventHandler
, (void**)&target
);
2857 if(SUCCEEDED(hres
)) {
2858 hres
= IBindEventHandler_BindHandler(target
, func
->name
, (IDispatch
*)&func_obj
->IDispatchEx_iface
);
2859 IBindEventHandler_Release(target
);
2861 WARN("BindEvent failed: %08x\n", hres
);
2863 FIXME("No IBindEventHandler, not yet supported binding\n");
2866 IDispatch_Release(disp
);
2870 static HRESULT
setup_scope(script_ctx_t
*ctx
, call_frame_t
*frame
, scope_chain_t
*scope_chain
, jsdisp_t
*variable_object
, unsigned argc
, jsval_t
*argv
)
2872 const unsigned orig_stack
= ctx
->stack_top
;
2873 scope_chain_t
*scope
;
2878 /* If arguments are already on the stack, we may use them. */
2879 if(argv
+ argc
== ctx
->stack
+ ctx
->stack_top
) {
2880 frame
->arguments_off
= argv
- ctx
->stack
;
2883 frame
->arguments_off
= ctx
->stack_top
;
2884 for(i
= 0; i
< argc
; i
++) {
2885 hres
= jsval_copy(argv
[i
], &v
);
2887 hres
= stack_push(ctx
, v
);
2895 /* If fewer than declared arguments were passed, fill remaining with undefined value. */
2896 for(; i
< frame
->function
->param_cnt
; i
++) {
2897 hres
= stack_push(ctx
, jsval_undefined());
2899 stack_popn(ctx
, ctx
->stack_top
- orig_stack
);
2904 frame
->pop_locals
= ctx
->stack_top
- orig_stack
;
2906 frame
->variables_off
= ctx
->stack_top
;
2908 for(i
= 0; i
< frame
->function
->var_cnt
; i
++) {
2909 hres
= stack_push(ctx
, jsval_undefined());
2911 stack_popn(ctx
, ctx
->stack_top
- orig_stack
);
2916 frame
->pop_variables
= i
;
2918 hres
= scope_push(scope_chain
, variable_object
, to_disp(variable_object
), &scope
);
2920 stack_popn(ctx
, ctx
->stack_top
- orig_stack
);
2924 for(i
= 0; i
< frame
->function
->func_cnt
; i
++) {
2925 if(frame
->function
->funcs
[i
].name
&& !frame
->function
->funcs
[i
].event_target
) {
2929 hres
= create_source_function(ctx
, frame
->bytecode
, frame
->function
->funcs
+i
, scope
, &func_obj
);
2931 stack_popn(ctx
, ctx
->stack_top
- orig_stack
);
2932 scope_release(scope
);
2936 off
= local_off(frame
, frame
->function
->funcs
[i
].local_ref
);
2937 jsval_release(ctx
->stack
[off
]);
2938 ctx
->stack
[off
] = jsval_obj(func_obj
);
2942 scope
->frame
= frame
;
2943 frame
->base_scope
= frame
->scope
= scope
;
2947 HRESULT
exec_source(script_ctx_t
*ctx
, DWORD flags
, bytecode_t
*bytecode
, function_code_t
*function
, scope_chain_t
*scope
,
2948 IDispatch
*this_obj
, jsdisp_t
*function_instance
, jsdisp_t
*variable_obj
, unsigned argc
, jsval_t
*argv
, jsval_t
*r
)
2950 call_frame_t
*frame
;
2954 for(i
= 0; i
< function
->func_cnt
; i
++) {
2957 if(!function
->funcs
[i
].event_target
)
2960 hres
= create_source_function(ctx
, bytecode
, function
->funcs
+i
, scope
, &func_obj
);
2964 hres
= bind_event_target(ctx
, function
->funcs
+i
, func_obj
);
2965 jsdisp_release(func_obj
);
2970 if(flags
& (EXEC_GLOBAL
| EXEC_EVAL
)) {
2971 for(i
=0; i
< function
->var_cnt
; i
++) {
2972 TRACE("[%d] %s %d\n", i
, debugstr_w(function
->variables
[i
].name
), function
->variables
[i
].func_id
);
2973 if(function
->variables
[i
].func_id
!= -1) {
2976 hres
= create_source_function(ctx
, bytecode
, function
->funcs
+function
->variables
[i
].func_id
, scope
, &func_obj
);
2980 hres
= jsdisp_propput_name(variable_obj
, function
->variables
[i
].name
, jsval_obj(func_obj
));
2981 jsdisp_release(func_obj
);
2982 }else if(!(flags
& EXEC_GLOBAL
) || !lookup_global_members(ctx
, function
->variables
[i
].name
, NULL
)) {
2985 hres
= jsdisp_get_id(variable_obj
, function
->variables
[i
].name
, fdexNameEnsure
, &id
);
2992 /* ECMA-262 3rd Edition 11.2.3.7 */
2996 jsthis
= iface_to_jsdisp(this_obj
);
2998 if(jsthis
->builtin_info
->class == JSCLASS_GLOBAL
|| jsthis
->builtin_info
->class == JSCLASS_NONE
)
3000 jsdisp_release(jsthis
);
3004 if(ctx
->call_ctx
&& (flags
& EXEC_EVAL
)) {
3005 hres
= detach_variable_object(ctx
, ctx
->call_ctx
, FALSE
);
3010 frame
= heap_alloc_zero(sizeof(*frame
));
3012 return E_OUTOFMEMORY
;
3014 frame
->function
= function
;
3015 frame
->ret
= jsval_undefined();
3017 frame
->bytecode
= bytecode_addref(bytecode
);
3019 if(!(flags
& (EXEC_GLOBAL
|EXEC_EVAL
))) {
3020 hres
= setup_scope(ctx
, frame
, scope
, variable_obj
, argc
, argv
);
3022 release_bytecode(frame
->bytecode
);
3027 frame
->base_scope
= frame
->scope
= scope_addref(scope
);
3030 frame
->ip
= function
->instr_off
;
3031 frame
->stack_base
= ctx
->stack_top
;
3033 frame
->this_obj
= this_obj
;
3034 else if(ctx
->host_global
)
3035 frame
->this_obj
= ctx
->host_global
;
3037 frame
->this_obj
= to_disp(ctx
->global
);
3038 IDispatch_AddRef(frame
->this_obj
);
3040 if(function_instance
)
3041 frame
->function_instance
= jsdisp_addref(function_instance
);
3043 frame
->flags
= flags
;
3044 frame
->variable_obj
= jsdisp_addref(variable_obj
);
3046 frame
->prev_frame
= ctx
->call_ctx
;
3047 ctx
->call_ctx
= frame
;
3049 if(flags
& EXEC_RETURN_TO_INTERP
) {
3051 * We're called directly from interpreter, so we may just setup call frame and return.
3052 * Already running interpreter will take care of execution.
3055 *r
= jsval_undefined();
3059 return enter_bytecode(ctx
, r
);