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 {
49 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
51 if(!ctx->stack_size) {
52 ctx->stack = heap_alloc(16*sizeof(VARIANT));
56 }else if(ctx->stack_size == ctx->top) {
59 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(VARIANT));
65 ctx->stack = new_stack;
69 ctx->stack[ctx->top++] = *v;
73 static HRESULT stack_push_bool(exec_ctx_t *ctx, BOOL b)
78 V_BOOL(&v) = b ? VARIANT_TRUE : VARIANT_FALSE;
79 return stack_push(ctx, &v);
82 static inline HRESULT stack_push_number(exec_ctx_t *ctx, double number)
86 num_set_val(&v, number);
87 return stack_push(ctx, &v);
90 static inline HRESULT stack_push_int(exec_ctx_t *ctx, INT n)
96 return stack_push(ctx, &v);
99 static inline HRESULT stack_push_string(exec_ctx_t *ctx, const WCHAR *str)
104 V_BSTR(&v) = SysAllocString(str);
105 return V_BSTR(&v) ? stack_push(ctx, &v) : E_OUTOFMEMORY;
108 static HRESULT stack_push_objid(exec_ctx_t *ctx, IDispatch *disp, DISPID id)
113 V_VT(&v) = VT_DISPATCH;
114 V_DISPATCH(&v) = disp;
115 hres = stack_push(ctx, &v);
121 return stack_push(ctx, &v);
124 static inline VARIANT *stack_top(exec_ctx_t *ctx)
127 return ctx->stack + ctx->top-1;
130 static inline VARIANT *stack_topn(exec_ctx_t *ctx, unsigned n)
132 assert(ctx->top > n);
133 return ctx->stack + ctx->top-1-n;
136 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
139 return ctx->stack + --ctx->top;
142 static void stack_popn(exec_ctx_t *ctx, unsigned n)
145 VariantClear(stack_pop(ctx));
148 static HRESULT stack_pop_number(exec_ctx_t *ctx, double *r)
154 hres = to_number(ctx->script, v, ctx->ei, r);
159 static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
165 if(V_VT(v) == VT_DISPATCH) {
167 return throw_type_error(ctx->script, ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
172 hres = to_object(ctx->script, v, r);
177 static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
179 return to_int32(ctx->script, stack_pop(ctx), ctx->ei, r);
182 static inline HRESULT stack_pop_uint(exec_ctx_t *ctx, DWORD *r)
184 return to_uint32(ctx->script, stack_pop(ctx), ctx->ei, r);
187 static inline IDispatch *stack_pop_objid(exec_ctx_t *ctx, DISPID *id)
189 assert(V_VT(stack_top(ctx)) == VT_INT && V_VT(stack_topn(ctx, 1)) == VT_DISPATCH);
191 *id = V_INT(stack_pop(ctx));
192 return V_DISPATCH(stack_pop(ctx));
195 static inline IDispatch *stack_topn_objid(exec_ctx_t *ctx, unsigned n, DISPID *id)
197 assert(V_VT(stack_topn(ctx, n)) == VT_INT && V_VT(stack_topn(ctx, n+1)) == VT_DISPATCH);
199 *id = V_INT(stack_topn(ctx, n));
200 return V_DISPATCH(stack_topn(ctx, n+1));
203 static void exprval_release(exprval_t *val)
206 case EXPRVAL_VARIANT:
207 if(V_VT(&val->u.var) != VT_EMPTY)
208 VariantClear(&val->u.var);
211 if(val->u.idref.disp)
212 IDispatch_Release(val->u.idref.disp);
214 case EXPRVAL_INVALID:
219 /* ECMA-262 3rd Edition 8.7.1 */
220 static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
222 V_VT(ret) = VT_EMPTY;
225 case EXPRVAL_VARIANT:
226 return VariantCopy(ret, &val->u.var);
228 if(!val->u.idref.disp) {
229 FIXME("throw ReferenceError\n");
233 return disp_propget(ctx, val->u.idref.disp, val->u.idref.id, ret, ei);
234 case EXPRVAL_INVALID:
238 ERR("type %d\n", val->type);
242 static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
244 if(val->type == EXPRVAL_VARIANT) {
246 V_VT(&val->u.var) = VT_EMPTY;
250 return exprval_value(ctx, val, ei, ret);
253 static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
255 val->type = EXPRVAL_IDREF;
256 val->u.idref.disp = disp;
257 val->u.idref.id = id;
260 IDispatch_AddRef(disp);
263 HRESULT scope_push(scope_chain_t *scope, jsdisp_t *obj, scope_chain_t **ret)
265 scope_chain_t *new_scope;
267 new_scope = heap_alloc(sizeof(scope_chain_t));
269 return E_OUTOFMEMORY;
274 new_scope->obj = obj;
278 new_scope->next = scope;
280 new_scope->next = NULL;
287 static void scope_pop(scope_chain_t **scope)
296 void scope_release(scope_chain_t *scope)
302 scope_release(scope->next);
304 jsdisp_release(scope->obj);
308 HRESULT create_exec_ctx(script_ctx_t *script_ctx, IDispatch *this_obj, jsdisp_t *var_disp,
309 scope_chain_t *scope, BOOL is_global, exec_ctx_t **ret)
313 ctx = heap_alloc_zero(sizeof(exec_ctx_t));
315 return E_OUTOFMEMORY;
318 ctx->is_global = is_global;
321 ctx->this_obj = this_obj;
322 else if(script_ctx->host_global)
323 ctx->this_obj = script_ctx->host_global;
325 ctx->this_obj = to_disp(script_ctx->global);
326 IDispatch_AddRef(ctx->this_obj);
328 jsdisp_addref(var_disp);
329 ctx->var_disp = var_disp;
331 script_addref(script_ctx);
332 ctx->script = script_ctx;
336 ctx->scope_chain = scope;
343 void exec_release(exec_ctx_t *ctx)
349 scope_release(ctx->scope_chain);
351 jsdisp_release(ctx->var_disp);
353 IDispatch_Release(ctx->this_obj);
355 script_release(ctx->script);
356 heap_free(ctx->stack);
360 static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
365 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
367 TRACE("using IDispatch\n");
370 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
374 hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
375 IDispatchEx_Release(dispex);
379 static inline BOOL is_null(const VARIANT *v)
381 return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
384 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
386 IObjectIdentity *identity;
387 IUnknown *unk1, *unk2;
395 if(!disp1 || !disp2) {
400 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
404 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
406 IUnknown_Release(unk1);
413 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
414 if(SUCCEEDED(hres)) {
415 hres = IObjectIdentity_IsEqualObject(identity, unk2);
416 IObjectIdentity_Release(identity);
423 IUnknown_Release(unk1);
424 IUnknown_Release(unk2);
428 /* ECMA-262 3rd Edition 11.9.6 */
429 static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
433 if(V_VT(lval) != V_VT(rval)) {
434 if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
435 *ret = num_val(lval) == num_val(rval);
436 else if(is_null(lval))
437 *ret = is_null(rval);
449 *ret = V_I4(lval) == V_I4(rval);
452 *ret = V_R8(lval) == V_R8(rval);
456 *ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
457 else if(!V_BSTR(rval))
458 *ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
460 *ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
463 return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
465 *ret = !V_BOOL(lval) == !V_BOOL(rval);
468 FIXME("unimplemented vt %d\n", V_VT(lval));
475 static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
481 for(item = ctx->named_items; item; item = item->next) {
482 if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
483 hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
484 if(SUCCEEDED(hres)) {
486 exprval_set_idref(ret, item->disp, id);
495 /* ECMA-262 3rd Edition 10.1.4 */
496 static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
498 scope_chain_t *scope;
503 TRACE("%s\n", debugstr_w(identifier));
505 for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
506 hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
507 if(SUCCEEDED(hres)) {
508 exprval_set_idref(ret, to_disp(scope->obj), id);
513 hres = jsdisp_get_id(ctx->global, identifier, 0, &id);
514 if(SUCCEEDED(hres)) {
515 exprval_set_idref(ret, to_disp(ctx->global), id);
519 for(item = ctx->named_items; item; item = item->next) {
520 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
527 hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier,
528 SCRIPTINFO_IUNKNOWN, &unk, NULL);
530 WARN("GetItemInfo failed: %08x\n", hres);
534 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
535 IUnknown_Release(unk);
537 WARN("object does not implement IDispatch\n");
542 ret->type = EXPRVAL_VARIANT;
543 V_VT(&ret->u.var) = VT_DISPATCH;
544 V_DISPATCH(&ret->u.var) = item->disp;
545 IDispatch_AddRef(item->disp);
550 if(lookup_global_members(ctx, identifier, ret))
553 ret->type = EXPRVAL_INVALID;
557 static inline BSTR get_op_bstr(exec_ctx_t *ctx, int i){
558 return ctx->code->instrs[ctx->ip].u.arg[i].bstr;
561 static inline unsigned get_op_uint(exec_ctx_t *ctx, int i){
562 return ctx->code->instrs[ctx->ip].u.arg[i].uint;
565 static inline unsigned get_op_int(exec_ctx_t *ctx, int i){
566 return ctx->code->instrs[ctx->ip].u.arg[i].lng;
569 static inline const WCHAR *get_op_str(exec_ctx_t *ctx, int i){
570 return ctx->code->instrs[ctx->ip].u.arg[i].str;
573 static inline double get_op_double(exec_ctx_t *ctx){
574 return ctx->code->instrs[ctx->ip].u.dbl;
577 /* ECMA-262 3rd Edition 12.2 */
578 static HRESULT interp_var_set(exec_ctx_t *ctx)
580 const BSTR name = get_op_bstr(ctx, 0);
584 TRACE("%s\n", debugstr_w(name));
587 hres = jsdisp_propput_name(ctx->var_disp, name, v, ctx->ei);
592 /* ECMA-262 3rd Edition 12.6.4 */
593 static HRESULT interp_forin(exec_ctx_t *ctx)
595 const HRESULT arg = get_op_uint(ctx, 0);
596 IDispatch *var_obj, *obj = NULL;
605 val = stack_pop(ctx);
607 assert(V_VT(stack_top(ctx)) == VT_I4);
608 id = V_I4(stack_top(ctx));
610 var_obj = stack_topn_objid(ctx, 1, &var_id);
612 FIXME("invalid ref\n");
617 if(V_VT(stack_topn(ctx, 3)) == VT_DISPATCH)
618 obj = V_DISPATCH(stack_topn(ctx, 3));
621 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
622 if(SUCCEEDED(hres)) {
623 hres = IDispatchEx_GetNextDispID(dispex, fdexEnumDefault, id, &id);
625 hres = IDispatchEx_GetMemberName(dispex, id, &name);
626 IDispatchEx_Release(dispex);
632 TRACE("No IDispatchEx\n");
641 V_I4(stack_top(ctx)) = id;
645 hres = disp_propput(ctx->script, var_obj, var_id, &v, ctx->ei);
654 return stack_push(ctx, val);
659 /* ECMA-262 3rd Edition 12.10 */
660 static HRESULT interp_push_scope(exec_ctx_t *ctx)
670 hres = to_object(ctx->script, v, &disp);
675 obj = to_jsdisp(disp);
677 IDispatch_Release(disp);
678 FIXME("disp is not jsdisp\n");
682 hres = scope_push(ctx->scope_chain, obj, &ctx->scope_chain);
687 /* ECMA-262 3rd Edition 12.10 */
688 static HRESULT interp_pop_scope(exec_ctx_t *ctx)
692 scope_pop(&ctx->scope_chain);
696 /* ECMA-262 3rd Edition 12.13 */
697 static HRESULT interp_case(exec_ctx_t *ctx)
699 const unsigned arg = get_op_uint(ctx, 0);
707 hres = equal2_values(stack_top(ctx), v, &b);
721 /* ECMA-262 3rd Edition 12.13 */
722 static HRESULT interp_throw(exec_ctx_t *ctx)
726 ctx->ei->var = *stack_pop(ctx);
727 return DISP_E_EXCEPTION;
730 static HRESULT interp_throw_ref(exec_ctx_t *ctx)
732 const HRESULT arg = get_op_uint(ctx, 0);
734 TRACE("%08x\n", arg);
736 return throw_reference_error(ctx->script, ctx->ei, arg, NULL);
739 static HRESULT interp_throw_type(exec_ctx_t *ctx)
741 const HRESULT hres = get_op_uint(ctx, 0);
742 const WCHAR *str = get_op_str(ctx, 1);
744 TRACE("%08x %s\n", hres, debugstr_w(str));
746 return throw_type_error(ctx->script, ctx->ei, hres, str);
749 /* ECMA-262 3rd Edition 12.14 */
750 static HRESULT interp_push_except(exec_ctx_t *ctx)
752 const unsigned arg1 = get_op_uint(ctx, 0);
753 const BSTR arg2 = get_op_bstr(ctx, 1);
754 except_frame_t *except;
759 stack_top = ctx->top;
764 hres = stack_push_bool(ctx, TRUE);
767 hres = stack_push_bool(ctx, TRUE);
772 except = heap_alloc(sizeof(*except));
774 return E_OUTOFMEMORY;
776 except->stack_top = stack_top;
777 except->scope = ctx->scope_chain;
778 except->catch_off = arg1;
779 except->ident = arg2;
780 except->next = ctx->except_frame;
781 ctx->except_frame = except;
785 /* ECMA-262 3rd Edition 12.14 */
786 static HRESULT interp_pop_except(exec_ctx_t *ctx)
788 except_frame_t *except;
792 except = ctx->except_frame;
793 assert(except != NULL);
795 ctx->except_frame = except->next;
800 /* ECMA-262 3rd Edition 12.14 */
801 static HRESULT interp_end_finally(exec_ctx_t *ctx)
809 assert(V_VT(stack_top(ctx)) == VT_BOOL);
810 if(!V_BOOL(stack_top(ctx))) {
811 TRACE("passing exception\n");
815 ctx->ei->var = *stack_pop(ctx);
816 return DISP_E_EXCEPTION;
820 return stack_push(ctx, v);
823 /* ECMA-262 3rd Edition 13 */
824 static HRESULT interp_func(exec_ctx_t *ctx)
826 unsigned func_idx = get_op_uint(ctx, 0);
831 TRACE("%d\n", func_idx);
833 hres = create_source_function(ctx->script, ctx->code, ctx->func_code->funcs+func_idx,
834 ctx->scope_chain, &dispex);
838 var_set_jsdisp(&v, dispex);
839 return stack_push(ctx, &v);
842 /* ECMA-262 3rd Edition 11.2.1 */
843 static HRESULT interp_array(exec_ctx_t *ctx)
853 namev = stack_pop(ctx);
855 hres = stack_pop_object(ctx, &obj);
861 hres = to_string(ctx->script, namev, ctx->ei, &name);
864 IDispatch_Release(obj);
868 hres = disp_get_id(ctx->script, obj, name, 0, &id);
870 if(SUCCEEDED(hres)) {
871 hres = disp_propget(ctx->script, obj, id, &v, ctx->ei);
872 }else if(hres == DISP_E_UNKNOWNNAME) {
876 IDispatch_Release(obj);
880 return stack_push(ctx, &v);
883 /* ECMA-262 3rd Edition 11.2.1 */
884 static HRESULT interp_member(exec_ctx_t *ctx)
886 const BSTR arg = get_op_bstr(ctx, 0);
894 hres = stack_pop_object(ctx, &obj);
898 hres = disp_get_id(ctx->script, obj, arg, 0, &id);
899 if(SUCCEEDED(hres)) {
901 hres = disp_propget(ctx->script, obj, id, &v, ctx->ei);
902 }else if(hres == DISP_E_UNKNOWNNAME) {
906 IDispatch_Release(obj);
910 return stack_push(ctx, &v);
913 /* ECMA-262 3rd Edition 11.2.1 */
914 static HRESULT interp_memberid(exec_ctx_t *ctx)
916 const unsigned arg = get_op_uint(ctx, 0);
917 VARIANT *objv, *namev;
925 namev = stack_pop(ctx);
926 objv = stack_pop(ctx);
928 hres = to_object(ctx->script, objv, &obj);
930 if(SUCCEEDED(hres)) {
931 hres = to_string(ctx->script, namev, ctx->ei, &name);
933 IDispatch_Release(obj);
939 hres = disp_get_id(ctx->script, obj, name, arg, &id);
942 IDispatch_Release(obj);
943 if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) {
945 id = JS_E_INVALID_PROPERTY;
951 return stack_push_objid(ctx, obj, id);
954 /* ECMA-262 3rd Edition 11.2.1 */
955 static HRESULT interp_refval(exec_ctx_t *ctx)
964 disp = stack_topn_objid(ctx, 0, &id);
966 return throw_reference_error(ctx->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
968 hres = disp_propget(ctx->script, disp, id, &v, ctx->ei);
972 return stack_push(ctx, &v);
975 static void jsstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
981 dp->rgdispidNamedArgs = NULL;
984 assert(ctx->top >= arg_cnt);
986 for(i=1; i*2 <= arg_cnt; i++) {
987 tmp = ctx->stack[ctx->top-i];
988 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
989 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
992 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
995 /* ECMA-262 3rd Edition 11.2.2 */
996 static HRESULT interp_new(exec_ctx_t *ctx)
998 const unsigned arg = get_op_uint(ctx, 0);
1005 constr = stack_topn(ctx, arg);
1007 /* NOTE: Should use to_object here */
1009 if(V_VT(constr) == VT_NULL)
1010 return throw_type_error(ctx->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1011 else if(V_VT(constr) != VT_DISPATCH)
1012 return throw_type_error(ctx->script, ctx->ei, JS_E_INVALID_ACTION, NULL);
1013 else if(!V_DISPATCH(constr))
1014 return throw_type_error(ctx->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1016 jsstack_to_dp(ctx, arg, &dp);
1017 hres = disp_call(ctx->script, V_DISPATCH(constr), DISPID_VALUE,
1018 DISPATCH_CONSTRUCT, &dp, &v, ctx->ei);
1022 stack_popn(ctx, arg+1);
1023 return stack_push(ctx, &v);
1026 /* ECMA-262 3rd Edition 11.2.3 */
1027 static HRESULT interp_call(exec_ctx_t *ctx)
1029 const unsigned argn = get_op_uint(ctx, 0);
1030 const int do_ret = get_op_int(ctx, 1);
1035 TRACE("%d %d\n", argn, do_ret);
1037 objv = stack_topn(ctx, argn);
1038 if(V_VT(objv) != VT_DISPATCH)
1039 return throw_type_error(ctx->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1041 jsstack_to_dp(ctx, argn, &dp);
1042 hres = disp_call(ctx->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
1043 do_ret ? &v : NULL, ctx->ei);
1047 stack_popn(ctx, argn+1);
1048 return do_ret ? stack_push(ctx, &v) : S_OK;
1052 /* ECMA-262 3rd Edition 11.2.3 */
1053 static HRESULT interp_call_member(exec_ctx_t *ctx)
1055 const unsigned argn = get_op_uint(ctx, 0);
1056 const int do_ret = get_op_int(ctx, 1);
1063 TRACE("%d %d\n", argn, do_ret);
1065 obj = stack_topn_objid(ctx, argn, &id);
1067 return throw_type_error(ctx->script, ctx->ei, id, NULL);
1069 jsstack_to_dp(ctx, argn, &dp);
1070 hres = disp_call(ctx->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, ctx->ei);
1074 stack_popn(ctx, argn+2);
1075 return do_ret ? stack_push(ctx, &v) : S_OK;
1079 /* ECMA-262 3rd Edition 11.1.1 */
1080 static HRESULT interp_this(exec_ctx_t *ctx)
1086 V_VT(&v) = VT_DISPATCH;
1087 V_DISPATCH(&v) = ctx->this_obj;
1088 IDispatch_AddRef(ctx->this_obj);
1089 return stack_push(ctx, &v);
1092 /* ECMA-262 3rd Edition 10.1.4 */
1093 static HRESULT interp_ident(exec_ctx_t *ctx)
1095 const BSTR arg = get_op_bstr(ctx, 0);
1100 TRACE("%s\n", debugstr_w(arg));
1102 hres = identifier_eval(ctx->script, arg, &exprval);
1106 if(exprval.type == EXPRVAL_INVALID)
1107 return throw_type_error(ctx->script, ctx->ei, JS_E_UNDEFINED_VARIABLE, arg);
1109 hres = exprval_to_value(ctx->script, &exprval, ctx->ei, &v);
1110 exprval_release(&exprval);
1114 return stack_push(ctx, &v);
1117 /* ECMA-262 3rd Edition 10.1.4 */
1118 static HRESULT interp_identid(exec_ctx_t *ctx)
1120 const BSTR arg = get_op_bstr(ctx, 0);
1121 const unsigned flags = get_op_uint(ctx, 1);
1125 TRACE("%s %x\n", debugstr_w(arg), flags);
1127 hres = identifier_eval(ctx->script, arg, &exprval);
1131 if(exprval.type == EXPRVAL_INVALID && (flags & fdexNameEnsure)) {
1134 hres = jsdisp_get_id(ctx->script->global, arg, fdexNameEnsure, &id);
1138 exprval_set_idref(&exprval, to_disp(ctx->script->global), id);
1141 if(exprval.type != EXPRVAL_IDREF) {
1142 WARN("invalid ref\n");
1143 exprval_release(&exprval);
1144 return stack_push_objid(ctx, NULL, JS_E_OBJECT_EXPECTED);
1147 return stack_push_objid(ctx, exprval.u.idref.disp, exprval.u.idref.id);
1150 /* ECMA-262 3rd Edition 7.8.1 */
1151 static HRESULT interp_null(exec_ctx_t *ctx)
1158 return stack_push(ctx, &v);
1161 /* ECMA-262 3rd Edition 7.8.2 */
1162 static HRESULT interp_bool(exec_ctx_t *ctx)
1164 const int arg = get_op_int(ctx, 0);
1166 TRACE("%s\n", arg ? "true" : "false");
1168 return stack_push_bool(ctx, arg);
1171 /* ECMA-262 3rd Edition 7.8.3 */
1172 static HRESULT interp_int(exec_ctx_t *ctx)
1174 const int arg = get_op_int(ctx, 0);
1181 return stack_push(ctx, &v);
1184 /* ECMA-262 3rd Edition 7.8.3 */
1185 static HRESULT interp_double(exec_ctx_t *ctx)
1187 const double arg = get_op_double(ctx);
1190 TRACE("%lf\n", arg);
1194 return stack_push(ctx, &v);
1197 /* ECMA-262 3rd Edition 7.8.4 */
1198 static HRESULT interp_str(exec_ctx_t *ctx)
1200 const WCHAR *str = get_op_str(ctx, 0);
1203 TRACE("%s\n", debugstr_w(str));
1206 V_BSTR(&v) = SysAllocString(str);
1208 return E_OUTOFMEMORY;
1210 return stack_push(ctx, &v);
1213 /* ECMA-262 3rd Edition 7.8 */
1214 static HRESULT interp_regexp(exec_ctx_t *ctx)
1216 const WCHAR *source = get_op_str(ctx, 0);
1217 const unsigned flags = get_op_uint(ctx, 1);
1222 TRACE("%s %x\n", debugstr_w(source), flags);
1224 hres = create_regexp(ctx->script, source, strlenW(source), flags, ®exp);
1228 var_set_jsdisp(&v, regexp);
1229 return stack_push(ctx, &v);
1232 /* ECMA-262 3rd Edition 11.1.4 */
1233 static HRESULT interp_carray(exec_ctx_t *ctx)
1235 const unsigned arg = get_op_uint(ctx, 0);
1243 hres = create_array(ctx->script, arg, &array);
1250 hres = jsdisp_propput_idx(array, i, v, ctx->ei);
1253 jsdisp_release(array);
1258 var_set_jsdisp(&r, array);
1259 return stack_push(ctx, &r);
1262 /* ECMA-262 3rd Edition 11.1.5 */
1263 static HRESULT interp_new_obj(exec_ctx_t *ctx)
1271 hres = create_object(ctx->script, NULL, &obj);
1275 var_set_jsdisp(&v, obj);
1276 return stack_push(ctx, &v);
1279 /* ECMA-262 3rd Edition 11.1.5 */
1280 static HRESULT interp_obj_prop(exec_ctx_t *ctx)
1282 const BSTR name = get_op_bstr(ctx, 0);
1287 TRACE("%s\n", debugstr_w(name));
1291 assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
1292 obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
1294 hres = jsdisp_propput_name(obj, name, v, ctx->ei);
1299 /* ECMA-262 3rd Edition 11.11 */
1300 static HRESULT interp_cnd_nz(exec_ctx_t *ctx)
1302 const unsigned arg = get_op_uint(ctx, 0);
1308 hres = to_boolean(stack_top(ctx), &b);
1321 /* ECMA-262 3rd Edition 11.11 */
1322 static HRESULT interp_cnd_z(exec_ctx_t *ctx)
1324 const unsigned arg = get_op_uint(ctx, 0);
1330 hres = to_boolean(stack_top(ctx), &b);
1343 /* ECMA-262 3rd Edition 11.10 */
1344 static HRESULT interp_or(exec_ctx_t *ctx)
1351 hres = stack_pop_int(ctx, &r);
1355 hres = stack_pop_int(ctx, &l);
1359 return stack_push_int(ctx, l|r);
1362 /* ECMA-262 3rd Edition 11.10 */
1363 static HRESULT interp_xor(exec_ctx_t *ctx)
1370 hres = stack_pop_int(ctx, &r);
1374 hres = stack_pop_int(ctx, &l);
1378 return stack_push_int(ctx, l^r);
1381 /* ECMA-262 3rd Edition 11.10 */
1382 static HRESULT interp_and(exec_ctx_t *ctx)
1389 hres = stack_pop_int(ctx, &r);
1393 hres = stack_pop_int(ctx, &l);
1397 return stack_push_int(ctx, l&r);
1400 /* ECMA-262 3rd Edition 11.8.6 */
1401 static HRESULT interp_instanceof(exec_ctx_t *ctx)
1403 jsdisp_t *obj, *iter, *tmp = NULL;
1408 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1411 if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
1413 return throw_type_error(ctx->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1416 obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1417 IDispatch_Release(V_DISPATCH(v));
1419 FIXME("non-jsdisp objects not supported\n");
1423 if(is_class(obj, JSCLASS_FUNCTION)) {
1424 hres = jsdisp_propget_name(obj, prototypeW, &prot, ctx->ei);
1426 hres = throw_type_error(ctx->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1428 jsdisp_release(obj);
1434 if(V_VT(&prot) == VT_DISPATCH) {
1435 if(V_VT(v) == VT_DISPATCH)
1436 tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1437 for(iter = tmp; !ret && iter; iter = iter->prototype) {
1438 hres = disp_cmp(V_DISPATCH(&prot), to_disp(iter), &ret);
1444 jsdisp_release(tmp);
1446 FIXME("prototype is not an object\n");
1450 VariantClear(&prot);
1455 return stack_push_bool(ctx, ret);
1458 /* ECMA-262 3rd Edition 11.8.7 */
1459 static HRESULT interp_in(exec_ctx_t *ctx)
1469 obj = stack_pop(ctx);
1472 if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
1475 return throw_type_error(ctx->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1478 hres = to_string(ctx->script, v, ctx->ei, &str);
1481 IDispatch_Release(V_DISPATCH(obj));
1485 hres = disp_get_id(ctx->script, V_DISPATCH(obj), str, 0, &id);
1486 IDispatch_Release(V_DISPATCH(obj));
1490 else if(hres == DISP_E_UNKNOWNNAME)
1495 return stack_push_bool(ctx, ret);
1498 /* ECMA-262 3rd Edition 11.6.1 */
1499 static HRESULT add_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
1504 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
1508 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
1514 if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
1515 BSTR lstr = NULL, rstr = NULL;
1517 if(V_VT(&l) == VT_BSTR)
1520 hres = to_string(ctx, &l, ei, &lstr);
1522 if(SUCCEEDED(hres)) {
1523 if(V_VT(&r) == VT_BSTR)
1526 hres = to_string(ctx, &r, ei, &rstr);
1529 if(SUCCEEDED(hres)) {
1532 len1 = SysStringLen(lstr);
1533 len2 = SysStringLen(rstr);
1535 V_VT(retv) = VT_BSTR;
1536 V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
1538 memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
1540 memcpy(V_BSTR(retv)+len1, rstr, len2*sizeof(WCHAR));
1541 V_BSTR(retv)[len1+len2] = 0;
1544 if(V_VT(&l) != VT_BSTR)
1545 SysFreeString(lstr);
1546 if(V_VT(&r) != VT_BSTR)
1547 SysFreeString(rstr);
1551 hres = to_number(ctx, &l, ei, &nl);
1552 if(SUCCEEDED(hres)) {
1553 hres = to_number(ctx, &r, ei, &nr);
1555 num_set_val(retv, nl + nr);
1564 /* ECMA-262 3rd Edition 11.6.1 */
1565 static HRESULT interp_add(exec_ctx_t *ctx)
1567 VARIANT *l, *r, ret;
1573 TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
1575 hres = add_eval(ctx->script, l, r, ctx->ei, &ret);
1581 return stack_push(ctx, &ret);
1584 /* ECMA-262 3rd Edition 11.6.2 */
1585 static HRESULT interp_sub(exec_ctx_t *ctx)
1592 hres = stack_pop_number(ctx, &r);
1596 hres = stack_pop_number(ctx, &l);
1600 return stack_push_number(ctx, l-r);
1603 /* ECMA-262 3rd Edition 11.5.1 */
1604 static HRESULT interp_mul(exec_ctx_t *ctx)
1611 hres = stack_pop_number(ctx, &r);
1615 hres = stack_pop_number(ctx, &l);
1619 return stack_push_number(ctx, l*r);
1622 /* ECMA-262 3rd Edition 11.5.2 */
1623 static HRESULT interp_div(exec_ctx_t *ctx)
1630 hres = stack_pop_number(ctx, &r);
1634 hres = stack_pop_number(ctx, &l);
1638 return stack_push_number(ctx, l/r);
1641 /* ECMA-262 3rd Edition 11.5.3 */
1642 static HRESULT interp_mod(exec_ctx_t *ctx)
1649 hres = stack_pop_number(ctx, &r);
1653 hres = stack_pop_number(ctx, &l);
1657 return stack_push_number(ctx, fmod(l, r));
1660 /* ECMA-262 3rd Edition 11.4.2 */
1661 static HRESULT interp_delete(exec_ctx_t *ctx)
1663 VARIANT *obj_var, *name_var;
1664 IDispatchEx *dispex;
1672 name_var = stack_pop(ctx);
1673 obj_var = stack_pop(ctx);
1675 hres = to_object(ctx->script, obj_var, &obj);
1676 VariantClear(obj_var);
1678 VariantClear(name_var);
1682 hres = to_string(ctx->script, name_var, ctx->ei, &name);
1683 VariantClear(name_var);
1685 IDispatch_Release(obj);
1689 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
1690 if(SUCCEEDED(hres)) {
1691 hres = IDispatchEx_DeleteMemberByName(dispex, name, make_grfdex(ctx->script, fdexNameCaseSensitive));
1693 IDispatchEx_Release(dispex);
1699 IDispatch_Release(obj);
1700 SysFreeString(name);
1704 return stack_push_bool(ctx, ret);
1707 /* ECMA-262 3rd Edition 11.4.2 */
1708 static HRESULT interp_delete_ident(exec_ctx_t *ctx)
1710 const BSTR arg = get_op_bstr(ctx, 0);
1711 IDispatchEx *dispex;
1716 TRACE("%s\n", debugstr_w(arg));
1718 hres = identifier_eval(ctx->script, arg, &exprval);
1722 if(exprval.type != EXPRVAL_IDREF) {
1723 FIXME("Unsupported exprval\n");
1724 exprval_release(&exprval);
1728 hres = IDispatch_QueryInterface(exprval.u.idref.disp, &IID_IDispatchEx, (void**)&dispex);
1729 IDispatch_Release(exprval.u.idref.disp);
1730 if(SUCCEEDED(hres)) {
1731 hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
1732 IDispatchEx_Release(dispex);
1739 return stack_push_bool(ctx, ret);
1742 /* ECMA-262 3rd Edition 11.4.2 */
1743 static HRESULT interp_void(exec_ctx_t *ctx)
1751 V_VT(&v) = VT_EMPTY;
1752 return stack_push(ctx, &v);
1755 /* ECMA-262 3rd Edition 11.4.3 */
1756 static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
1778 if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
1779 *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
1780 jsdisp_release(dispex);
1787 FIXME("unhandled vt %d\n", V_VT(v));
1794 /* ECMA-262 3rd Edition 11.4.3 */
1795 static HRESULT interp_typeofid(exec_ctx_t *ctx)
1803 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
1807 obj = stack_pop_objid(ctx, &id);
1809 return stack_push_string(ctx, undefinedW);
1811 V_VT(&v) = VT_EMPTY;
1812 hres = disp_propget(ctx->script, obj, id, &v, ctx->ei);
1813 IDispatch_Release(obj);
1815 return stack_push_string(ctx, unknownW);
1817 hres = typeof_string(&v, &ret);
1822 return stack_push_string(ctx, ret);
1825 /* ECMA-262 3rd Edition 11.4.3 */
1826 static HRESULT interp_typeofident(exec_ctx_t *ctx)
1828 const BSTR arg = get_op_bstr(ctx, 0);
1834 TRACE("%s\n", debugstr_w(arg));
1836 hres = identifier_eval(ctx->script, arg, &exprval);
1840 if(exprval.type == EXPRVAL_INVALID) {
1841 hres = stack_push_string(ctx, undefinedW);
1842 exprval_release(&exprval);
1846 hres = exprval_to_value(ctx->script, &exprval, ctx->ei, &v);
1847 exprval_release(&exprval);
1851 hres = typeof_string(&v, &ret);
1856 return stack_push_string(ctx, ret);
1859 /* ECMA-262 3rd Edition 11.4.3 */
1860 static HRESULT interp_typeof(exec_ctx_t *ctx)
1869 hres = typeof_string(v, &ret);
1874 return stack_push_string(ctx, ret);
1877 /* ECMA-262 3rd Edition 11.4.7 */
1878 static HRESULT interp_minus(exec_ctx_t *ctx)
1885 hres = stack_pop_number(ctx, &n);
1889 return stack_push_number(ctx, -n);
1892 /* ECMA-262 3rd Edition 11.4.6 */
1893 static HRESULT interp_tonum(exec_ctx_t *ctx)
1902 hres = to_number(ctx->script, v, ctx->ei, &n);
1907 return stack_push_number(ctx, n);
1910 /* ECMA-262 3rd Edition 11.3.1 */
1911 static HRESULT interp_postinc(exec_ctx_t *ctx)
1913 const int arg = get_op_int(ctx, 0);
1921 obj = stack_pop_objid(ctx, &id);
1923 return throw_type_error(ctx->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1925 hres = disp_propget(ctx->script, obj, id, &v, ctx->ei);
1926 if(SUCCEEDED(hres)) {
1930 hres = to_number(ctx->script, &v, ctx->ei, &n);
1931 if(SUCCEEDED(hres)) {
1932 num_set_val(&inc, n+(double)arg);
1933 hres = disp_propput(ctx->script, obj, id, &inc, ctx->ei);
1938 IDispatch_Release(obj);
1942 return stack_push(ctx, &v);
1945 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
1946 static HRESULT interp_preinc(exec_ctx_t *ctx)
1948 const int arg = get_op_int(ctx, 0);
1956 obj = stack_pop_objid(ctx, &id);
1958 return throw_type_error(ctx->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1960 hres = disp_propget(ctx->script, obj, id, &v, ctx->ei);
1961 if(SUCCEEDED(hres)) {
1964 hres = to_number(ctx->script, &v, ctx->ei, &n);
1966 if(SUCCEEDED(hres)) {
1967 num_set_val(&v, n+(double)arg);
1968 hres = disp_propput(ctx->script, obj, id, &v, ctx->ei);
1971 IDispatch_Release(obj);
1975 return stack_push(ctx, &v);
1978 /* ECMA-262 3rd Edition 11.9.3 */
1979 static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
1981 if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
1982 return equal2_values(lval, rval, ret);
1984 /* FIXME: NULL disps should be handled in more general way */
1985 if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
1988 return equal_values(ctx, &v, rval, ei, ret);
1991 if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
1994 return equal_values(ctx, lval, &v, ei, ret);
1997 if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
1998 (V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
2003 if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
2008 hres = to_number(ctx, lval, ei, &n);
2012 /* FIXME: optimize */
2015 return equal_values(ctx, &v, rval, ei, ret);
2018 if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
2023 hres = to_number(ctx, rval, ei, &n);
2027 /* FIXME: optimize */
2030 return equal_values(ctx, lval, &v, ei, ret);
2033 if(V_VT(rval) == VT_BOOL) {
2037 V_I4(&v) = V_BOOL(rval) ? 1 : 0;
2038 return equal_values(ctx, lval, &v, ei, ret);
2041 if(V_VT(lval) == VT_BOOL) {
2045 V_I4(&v) = V_BOOL(lval) ? 1 : 0;
2046 return equal_values(ctx, &v, rval, ei, ret);
2050 if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
2054 hres = to_primitive(ctx, rval, ei, &v, NO_HINT);
2058 hres = equal_values(ctx, lval, &v, ei, ret);
2065 if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
2069 hres = to_primitive(ctx, lval, ei, &v, NO_HINT);
2073 hres = equal_values(ctx, &v, rval, ei, ret);
2084 /* ECMA-262 3rd Edition 11.9.1 */
2085 static HRESULT interp_eq(exec_ctx_t *ctx)
2094 TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
2096 hres = equal_values(ctx->script, l, r, ctx->ei, &b);
2102 return stack_push_bool(ctx, b);
2105 /* ECMA-262 3rd Edition 11.9.2 */
2106 static HRESULT interp_neq(exec_ctx_t *ctx)
2115 TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
2117 hres = equal_values(ctx->script, l, r, ctx->ei, &b);
2123 return stack_push_bool(ctx, !b);
2126 /* ECMA-262 3rd Edition 11.9.4 */
2127 static HRESULT interp_eq2(exec_ctx_t *ctx)
2138 hres = equal2_values(r, l, &b);
2144 return stack_push_bool(ctx, b);
2147 /* ECMA-262 3rd Edition 11.9.5 */
2148 static HRESULT interp_neq2(exec_ctx_t *ctx)
2159 hres = equal2_values(r, l, &b);
2165 return stack_push_bool(ctx, !b);
2168 /* ECMA-262 3rd Edition 11.8.5 */
2169 static HRESULT less_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
2175 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2179 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2185 if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
2186 *ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
2187 SysFreeString(V_BSTR(&l));
2188 SysFreeString(V_BSTR(&r));
2192 hres = to_number(ctx, &l, ei, &ln);
2195 hres = to_number(ctx, &r, ei, &rn);
2200 *ret = !isnan(ln) && !isnan(rn) && ((ln < rn) ^ greater);
2204 /* ECMA-262 3rd Edition 11.8.1 */
2205 static HRESULT interp_lt(exec_ctx_t *ctx)
2214 TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
2216 hres = less_eval(ctx->script, l, r, FALSE, ctx->ei, &b);
2222 return stack_push_bool(ctx, b);
2225 /* ECMA-262 3rd Edition 11.8.1 */
2226 static HRESULT interp_lteq(exec_ctx_t *ctx)
2235 TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
2237 hres = less_eval(ctx->script, r, l, TRUE, ctx->ei, &b);
2243 return stack_push_bool(ctx, b);
2246 /* ECMA-262 3rd Edition 11.8.2 */
2247 static HRESULT interp_gt(exec_ctx_t *ctx)
2256 TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
2258 hres = less_eval(ctx->script, r, l, FALSE, ctx->ei, &b);
2264 return stack_push_bool(ctx, b);
2267 /* ECMA-262 3rd Edition 11.8.4 */
2268 static HRESULT interp_gteq(exec_ctx_t *ctx)
2277 TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
2279 hres = less_eval(ctx->script, l, r, TRUE, ctx->ei, &b);
2285 return stack_push_bool(ctx, b);
2288 /* ECMA-262 3rd Edition 11.4.8 */
2289 static HRESULT interp_bneg(exec_ctx_t *ctx)
2298 hres = to_int32(ctx->script, v, ctx->ei, &i);
2303 return stack_push_int(ctx, ~i);
2306 /* ECMA-262 3rd Edition 11.4.9 */
2307 static HRESULT interp_neg(exec_ctx_t *ctx)
2316 hres = to_boolean(v, &b);
2321 return stack_push_bool(ctx, !b);
2324 /* ECMA-262 3rd Edition 11.7.1 */
2325 static HRESULT interp_lshift(exec_ctx_t *ctx)
2331 hres = stack_pop_uint(ctx, &r);
2335 hres = stack_pop_int(ctx, &l);
2339 return stack_push_int(ctx, l << (r&0x1f));
2342 /* ECMA-262 3rd Edition 11.7.2 */
2343 static HRESULT interp_rshift(exec_ctx_t *ctx)
2349 hres = stack_pop_uint(ctx, &r);
2353 hres = stack_pop_int(ctx, &l);
2357 return stack_push_int(ctx, l >> (r&0x1f));
2360 /* ECMA-262 3rd Edition 11.7.3 */
2361 static HRESULT interp_rshift2(exec_ctx_t *ctx)
2366 hres = stack_pop_uint(ctx, &r);
2370 hres = stack_pop_uint(ctx, &l);
2374 return stack_push_int(ctx, l >> (r&0x1f));
2377 /* ECMA-262 3rd Edition 11.13.1 */
2378 static HRESULT interp_assign(exec_ctx_t *ctx)
2388 disp = stack_pop_objid(ctx, &id);
2391 return throw_reference_error(ctx->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2393 hres = disp_propput(ctx->script, disp, id, v, ctx->ei);
2394 IDispatch_Release(disp);
2400 return stack_push(ctx, v);
2403 /* JScript extension */
2404 static HRESULT interp_assign_call(exec_ctx_t *ctx)
2406 const unsigned arg = get_op_uint(ctx, 0);
2407 DISPID propput_dispid = DISPID_PROPERTYPUT;
2416 disp = stack_topn_objid(ctx, arg+1, &id);
2418 return throw_reference_error(ctx->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2420 jsstack_to_dp(ctx, arg+1, &dp);
2422 dp.rgdispidNamedArgs = &propput_dispid;
2423 hres = disp_call(ctx->script, disp, id, DISPATCH_PROPERTYPUT, &dp, NULL, ctx->ei);
2428 stack_popn(ctx, arg+2);
2429 return stack_push(ctx, v);
2432 static HRESULT interp_undefined(exec_ctx_t *ctx)
2438 V_VT(&v) = VT_EMPTY;
2439 return stack_push(ctx, &v);
2442 static HRESULT interp_jmp(exec_ctx_t *ctx)
2444 const unsigned arg = get_op_uint(ctx, 0);
2452 static HRESULT interp_jmp_z(exec_ctx_t *ctx)
2454 const unsigned arg = get_op_uint(ctx, 0);
2462 hres = to_boolean(v, &b);
2474 static HRESULT interp_pop(exec_ctx_t *ctx)
2482 static HRESULT interp_ret(exec_ctx_t *ctx)
2490 typedef HRESULT (*op_func_t)(exec_ctx_t*);
2492 static const op_func_t op_funcs[] = {
2493 #define X(x,a,b,c) interp_##x,
2498 static const unsigned op_move[] = {
2499 #define X(a,x,b,c) x,
2504 static HRESULT unwind_exception(exec_ctx_t *ctx)
2506 except_frame_t *except_frame;
2511 except_frame = ctx->except_frame;
2512 ctx->except_frame = except_frame->next;
2514 assert(except_frame->stack_top <= ctx->top);
2515 stack_popn(ctx, ctx->top - except_frame->stack_top);
2517 while(except_frame->scope != ctx->scope_chain)
2518 scope_pop(&ctx->scope_chain);
2520 ctx->ip = except_frame->catch_off;
2522 except_val = ctx->ei->var;
2523 memset(ctx->ei, 0, sizeof(*ctx->ei));
2525 ident = except_frame->ident;
2526 heap_free(except_frame);
2529 jsdisp_t *scope_obj;
2531 hres = create_dispex(ctx->script, NULL, NULL, &scope_obj);
2532 if(SUCCEEDED(hres)) {
2533 hres = jsdisp_propput_name(scope_obj, ident, &except_val, ctx->ei);
2535 jsdisp_release(scope_obj);
2537 VariantClear(&except_val);
2541 hres = scope_push(ctx->scope_chain, scope_obj, &ctx->scope_chain);
2542 jsdisp_release(scope_obj);
2546 hres = stack_push(ctx, &except_val);
2550 hres = stack_push_bool(ctx, FALSE);
2554 V_VT(&v) = VT_EMPTY;
2555 hres = stack_push(ctx, &v);
2561 static HRESULT enter_bytecode(script_ctx_t *ctx, bytecode_t *code, function_code_t *func, jsexcept_t *ei, VARIANT *ret)
2563 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2564 except_frame_t *prev_except_frame;
2565 function_code_t *prev_func;
2566 unsigned prev_ip, prev_top;
2567 scope_chain_t *prev_scope;
2568 bytecode_t *prev_code;
2569 jsexcept_t *prev_ei;
2571 HRESULT hres = S_OK;
2575 prev_top = exec_ctx->top;
2576 prev_scope = exec_ctx->scope_chain;
2577 prev_except_frame = exec_ctx->except_frame;
2578 prev_ip = exec_ctx->ip;
2579 prev_ei = exec_ctx->ei;
2580 prev_code = exec_ctx->code;
2581 prev_func = exec_ctx->func_code;
2582 exec_ctx->ip = func->instr_off;
2584 exec_ctx->except_frame = NULL;
2585 exec_ctx->code = code;
2586 exec_ctx->func_code = func;
2588 while(exec_ctx->ip != -1) {
2589 op = code->instrs[exec_ctx->ip].op;
2590 hres = op_funcs[op](exec_ctx);
2592 TRACE("EXCEPTION\n");
2594 if(!exec_ctx->except_frame)
2597 hres = unwind_exception(exec_ctx);
2601 exec_ctx->ip += op_move[op];
2605 exec_ctx->ip = prev_ip;
2606 exec_ctx->ei = prev_ei;
2607 exec_ctx->except_frame = prev_except_frame;
2608 exec_ctx->code = prev_code;
2609 exec_ctx->func_code = prev_func;
2612 while(exec_ctx->scope_chain != prev_scope)
2613 scope_pop(&exec_ctx->scope_chain);
2614 stack_popn(exec_ctx, exec_ctx->top-prev_top);
2618 assert(exec_ctx->top == prev_top+1 || exec_ctx->top == prev_top);
2619 assert(exec_ctx->scope_chain == prev_scope);
2621 if(exec_ctx->top == prev_top)
2622 V_VT(ret) = VT_EMPTY;
2624 *ret = *stack_pop(exec_ctx);
2628 HRESULT exec_source(exec_ctx_t *ctx, bytecode_t *code, function_code_t *func, BOOL from_eval,
2629 jsexcept_t *ei, VARIANT *retv)
2631 exec_ctx_t *prev_ctx;
2634 HRESULT hres = S_OK;
2636 for(i = 0; i < func->func_cnt; i++) {
2640 if(!func->funcs[i].name)
2643 hres = create_source_function(ctx->script, code, func->funcs+i, ctx->scope_chain, &func_obj);
2647 var_set_jsdisp(&var, func_obj);
2648 hres = jsdisp_propput_name(ctx->var_disp, func->funcs[i].name, &var, ei);
2649 jsdisp_release(func_obj);
2654 for(i=0; i < func->var_cnt; i++) {
2655 if(!ctx->is_global || !lookup_global_members(ctx->script, func->variables[i], NULL)) {
2658 hres = jsdisp_get_id(ctx->var_disp, func->variables[i], fdexNameEnsure, &id);
2664 prev_ctx = ctx->script->exec_ctx;
2665 ctx->script->exec_ctx = ctx;
2667 hres = enter_bytecode(ctx->script, code, func, ei, &val);
2668 assert(ctx->script->exec_ctx == ctx);
2669 ctx->script->exec_ctx = prev_ctx;