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, VARIANT *r)
154 hres = to_number(ctx->parser->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->parser->script, ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
172 hres = to_object(ctx->parser->script, v, r);
177 static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
179 return to_int32(ctx->parser->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->parser->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, NULL/*FIXME*/);
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;
333 ctx->scope_chain = scope;
340 void exec_release(exec_ctx_t *ctx)
346 scope_release(ctx->scope_chain);
348 jsdisp_release(ctx->var_disp);
350 IDispatch_Release(ctx->this_obj);
351 heap_free(ctx->stack);
355 static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
360 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
362 TRACE("unsing IDispatch\n");
365 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
369 hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
370 IDispatchEx_Release(dispex);
374 static inline BOOL is_null(const VARIANT *v)
376 return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
379 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
381 IObjectIdentity *identity;
382 IUnknown *unk1, *unk2;
390 if(!disp1 || !disp2) {
395 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
399 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
401 IUnknown_Release(unk1);
408 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
409 if(SUCCEEDED(hres)) {
410 hres = IObjectIdentity_IsEqualObject(identity, unk2);
411 IObjectIdentity_Release(identity);
418 IUnknown_Release(unk1);
419 IUnknown_Release(unk2);
423 /* ECMA-262 3rd Edition 11.9.6 */
424 static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
428 if(V_VT(lval) != V_VT(rval)) {
429 if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
430 *ret = num_val(lval) == num_val(rval);
431 else if(is_null(lval))
432 *ret = is_null(rval);
444 *ret = V_I4(lval) == V_I4(rval);
447 *ret = V_R8(lval) == V_R8(rval);
451 *ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
452 else if(!V_BSTR(rval))
453 *ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
455 *ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
458 return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
460 *ret = !V_BOOL(lval) == !V_BOOL(rval);
463 FIXME("unimplemented vt %d\n", V_VT(lval));
470 static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
476 for(item = ctx->named_items; item; item = item->next) {
477 if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
478 hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
479 if(SUCCEEDED(hres)) {
481 exprval_set_idref(ret, item->disp, id);
490 /* ECMA-262 3rd Edition 10.1.4 */
491 static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
493 scope_chain_t *scope;
498 TRACE("%s\n", debugstr_w(identifier));
500 for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
501 hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
502 if(SUCCEEDED(hres)) {
503 exprval_set_idref(ret, to_disp(scope->obj), id);
508 hres = jsdisp_get_id(ctx->global, identifier, 0, &id);
509 if(SUCCEEDED(hres)) {
510 exprval_set_idref(ret, to_disp(ctx->global), id);
514 for(item = ctx->named_items; item; item = item->next) {
515 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
522 hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier,
523 SCRIPTINFO_IUNKNOWN, &unk, NULL);
525 WARN("GetItemInfo failed: %08x\n", hres);
529 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
530 IUnknown_Release(unk);
532 WARN("object does not implement IDispatch\n");
537 ret->type = EXPRVAL_VARIANT;
538 V_VT(&ret->u.var) = VT_DISPATCH;
539 V_DISPATCH(&ret->u.var) = item->disp;
540 IDispatch_AddRef(item->disp);
545 if(lookup_global_members(ctx, identifier, ret))
548 ret->type = EXPRVAL_INVALID;
552 /* ECMA-262 3rd Edition 12.2 */
553 static HRESULT interp_var_set(exec_ctx_t *ctx)
555 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
559 TRACE("%s\n", debugstr_w(name));
562 hres = jsdisp_propput_name(ctx->var_disp, name, v, ctx->ei, NULL/*FIXME*/);
567 /* ECMA-262 3rd Edition 12.6.4 */
568 static HRESULT interp_forin(exec_ctx_t *ctx)
570 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
571 IDispatch *var_obj, *obj = NULL;
580 val = stack_pop(ctx);
582 assert(V_VT(stack_top(ctx)) == VT_I4);
583 id = V_I4(stack_top(ctx));
585 var_obj = stack_topn_objid(ctx, 1, &var_id);
587 FIXME("invalid ref\n");
592 if(V_VT(stack_topn(ctx, 3)) == VT_DISPATCH)
593 obj = V_DISPATCH(stack_topn(ctx, 3));
596 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
597 if(SUCCEEDED(hres)) {
598 hres = IDispatchEx_GetNextDispID(dispex, fdexEnumDefault, id, &id);
600 hres = IDispatchEx_GetMemberName(dispex, id, &name);
601 IDispatchEx_Release(dispex);
607 TRACE("No IDispatchEx\n");
616 V_I4(stack_top(ctx)) = id;
620 hres = disp_propput(ctx->parser->script, var_obj, var_id, &v, ctx->ei, NULL/*FIXME*/);
629 return stack_push(ctx, val);
634 /* ECMA-262 3rd Edition 12.10 */
635 static HRESULT interp_push_scope(exec_ctx_t *ctx)
645 hres = to_object(ctx->parser->script, v, &disp);
650 obj = to_jsdisp(disp);
652 IDispatch_Release(disp);
653 FIXME("disp is not jsdisp\n");
657 hres = scope_push(ctx->scope_chain, obj, &ctx->scope_chain);
662 /* ECMA-262 3rd Edition 12.10 */
663 static HRESULT interp_pop_scope(exec_ctx_t *ctx)
667 scope_pop(&ctx->scope_chain);
671 /* ECMA-262 3rd Edition 12.13 */
672 static HRESULT interp_case(exec_ctx_t *ctx)
674 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
682 hres = equal2_values(stack_top(ctx), v, &b);
696 /* ECMA-262 3rd Edition 12.13 */
697 static HRESULT interp_throw(exec_ctx_t *ctx)
701 ctx->ei->var = *stack_pop(ctx);
702 return DISP_E_EXCEPTION;
705 static HRESULT interp_throw_ref(exec_ctx_t *ctx)
707 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
709 TRACE("%08x\n", arg);
711 return throw_reference_error(ctx->parser->script, ctx->ei, arg, NULL);
714 static HRESULT interp_throw_type(exec_ctx_t *ctx)
716 const HRESULT hres = ctx->parser->code->instrs[ctx->ip].arg1.uint;
717 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg2.str;
719 TRACE("%08x %s\n", hres, debugstr_w(str));
721 return throw_type_error(ctx->parser->script, ctx->ei, hres, str);
724 /* ECMA-262 3rd Edition 12.14 */
725 static HRESULT interp_push_except(exec_ctx_t *ctx)
727 const unsigned arg1 = ctx->parser->code->instrs[ctx->ip].arg1.uint;
728 const BSTR arg2 = ctx->parser->code->instrs[ctx->ip].arg2.bstr;
729 except_frame_t *except;
734 stack_top = ctx->top;
739 hres = stack_push_bool(ctx, TRUE);
742 hres = stack_push_bool(ctx, TRUE);
747 except = heap_alloc(sizeof(*except));
749 return E_OUTOFMEMORY;
751 except->stack_top = stack_top;
752 except->scope = ctx->scope_chain;
753 except->catch_off = arg1;
754 except->ident = arg2;
755 except->next = ctx->except_frame;
756 ctx->except_frame = except;
760 /* ECMA-262 3rd Edition 12.14 */
761 static HRESULT interp_pop_except(exec_ctx_t *ctx)
763 except_frame_t *except;
767 except = ctx->except_frame;
768 assert(except != NULL);
770 ctx->except_frame = except->next;
775 /* ECMA-262 3rd Edition 12.14 */
776 static HRESULT interp_end_finally(exec_ctx_t *ctx)
784 assert(V_VT(stack_top(ctx)) == VT_BOOL);
785 if(!V_BOOL(stack_top(ctx))) {
786 TRACE("passing exception\n");
790 ctx->ei->var = *stack_pop(ctx);
791 return DISP_E_EXCEPTION;
795 return stack_push(ctx, v);
798 /* ECMA-262 3rd Edition 13 */
799 static HRESULT interp_func(exec_ctx_t *ctx)
801 function_expression_t *expr = ctx->parser->code->instrs[ctx->ip].arg1.func;
808 hres = create_source_function(ctx->parser, expr->parameter_list, expr->source_elements, ctx->scope_chain,
809 expr->src_str, expr->src_len, &dispex);
813 var_set_jsdisp(&v, dispex);
814 return stack_push(ctx, &v);
817 /* ECMA-262 3rd Edition 11.2.1 */
818 static HRESULT interp_array(exec_ctx_t *ctx)
828 namev = stack_pop(ctx);
830 hres = stack_pop_object(ctx, &obj);
836 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
839 IDispatch_Release(obj);
843 hres = disp_get_id(ctx->parser->script, obj, name, 0, &id);
845 if(SUCCEEDED(hres)) {
846 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
847 }else if(hres == DISP_E_UNKNOWNNAME) {
851 IDispatch_Release(obj);
855 return stack_push(ctx, &v);
858 /* ECMA-262 3rd Edition 11.2.1 */
859 static HRESULT interp_member(exec_ctx_t *ctx)
861 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
869 hres = stack_pop_object(ctx, &obj);
873 hres = disp_get_id(ctx->parser->script, obj, arg, 0, &id);
874 if(SUCCEEDED(hres)) {
876 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
877 }else if(hres == DISP_E_UNKNOWNNAME) {
881 IDispatch_Release(obj);
885 return stack_push(ctx, &v);
888 /* ECMA-262 3rd Edition 11.2.1 */
889 static HRESULT interp_memberid(exec_ctx_t *ctx)
891 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
892 VARIANT *objv, *namev;
900 namev = stack_pop(ctx);
901 objv = stack_pop(ctx);
903 hres = to_object(ctx->parser->script, objv, &obj);
905 if(SUCCEEDED(hres)) {
906 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
908 IDispatch_Release(obj);
914 hres = disp_get_id(ctx->parser->script, obj, name, arg, &id);
917 IDispatch_Release(obj);
918 if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) {
920 id = JS_E_INVALID_PROPERTY;
926 return stack_push_objid(ctx, obj, id);
929 /* ECMA-262 3rd Edition 11.2.1 */
930 static HRESULT interp_refval(exec_ctx_t *ctx)
939 disp = stack_topn_objid(ctx, 0, &id);
941 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
943 hres = disp_propget(ctx->parser->script, disp, id, &v, ctx->ei, NULL/*FIXME*/);
947 return stack_push(ctx, &v);
950 static void jsstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
956 dp->rgdispidNamedArgs = NULL;
959 assert(ctx->top >= arg_cnt);
961 for(i=1; i*2 <= arg_cnt; i++) {
962 tmp = ctx->stack[ctx->top-i];
963 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
964 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
967 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
970 /* ECMA-262 3rd Edition 11.2.2 */
971 static HRESULT interp_new(exec_ctx_t *ctx)
973 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
980 constr = stack_topn(ctx, arg);
982 /* NOTE: Should use to_object here */
984 if(V_VT(constr) == VT_NULL)
985 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
986 else if(V_VT(constr) != VT_DISPATCH)
987 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_ACTION, NULL);
988 else if(!V_DISPATCH(constr))
989 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
991 jsstack_to_dp(ctx, arg, &dp);
992 hres = disp_call(ctx->parser->script, V_DISPATCH(constr), DISPID_VALUE,
993 DISPATCH_CONSTRUCT, &dp, &v, ctx->ei, NULL/*FIXME*/);
997 stack_popn(ctx, arg+1);
998 return stack_push(ctx, &v);
1001 /* ECMA-262 3rd Edition 11.2.3 */
1002 static HRESULT interp_call(exec_ctx_t *ctx)
1004 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1005 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1010 TRACE("%d %d\n", argn, do_ret);
1012 objv = stack_topn(ctx, argn);
1013 if(V_VT(objv) != VT_DISPATCH)
1014 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1016 jsstack_to_dp(ctx, argn, &dp);
1017 hres = disp_call(ctx->parser->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
1018 do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1022 stack_popn(ctx, argn+1);
1023 return do_ret ? stack_push(ctx, &v) : S_OK;
1027 /* ECMA-262 3rd Edition 11.2.3 */
1028 static HRESULT interp_call_member(exec_ctx_t *ctx)
1030 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1031 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1038 TRACE("%d %d\n", argn, do_ret);
1040 obj = stack_topn_objid(ctx, argn, &id);
1042 return throw_type_error(ctx->parser->script, ctx->ei, id, NULL);
1044 jsstack_to_dp(ctx, argn, &dp);
1045 hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1049 stack_popn(ctx, argn+2);
1050 return do_ret ? stack_push(ctx, &v) : S_OK;
1054 /* ECMA-262 3rd Edition 11.1.1 */
1055 static HRESULT interp_this(exec_ctx_t *ctx)
1061 V_VT(&v) = VT_DISPATCH;
1062 V_DISPATCH(&v) = ctx->this_obj;
1063 IDispatch_AddRef(ctx->this_obj);
1064 return stack_push(ctx, &v);
1067 /* ECMA-262 3rd Edition 10.1.4 */
1068 static HRESULT interp_ident(exec_ctx_t *ctx)
1070 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1075 TRACE("%s\n", debugstr_w(arg));
1077 hres = identifier_eval(ctx->parser->script, arg, &exprval);
1081 if(exprval.type == EXPRVAL_INVALID)
1082 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_UNDEFINED_VARIABLE, arg);
1084 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1085 exprval_release(&exprval);
1089 return stack_push(ctx, &v);
1092 /* ECMA-262 3rd Edition 10.1.4 */
1093 static HRESULT interp_identid(exec_ctx_t *ctx)
1095 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1096 const unsigned flags = ctx->parser->code->instrs[ctx->ip].arg2.uint;
1100 TRACE("%s %x\n", debugstr_w(arg), flags);
1102 hres = identifier_eval(ctx->parser->script, arg, &exprval);
1106 if(exprval.type == EXPRVAL_INVALID && (flags & fdexNameEnsure)) {
1109 hres = jsdisp_get_id(ctx->parser->script->global, arg, fdexNameEnsure, &id);
1113 exprval_set_idref(&exprval, to_disp(ctx->parser->script->global), id);
1116 if(exprval.type != EXPRVAL_IDREF) {
1117 WARN("invalid ref\n");
1118 exprval_release(&exprval);
1119 return stack_push_objid(ctx, NULL, JS_E_OBJECT_EXPECTED);
1122 return stack_push_objid(ctx, exprval.u.idref.disp, exprval.u.idref.id);
1125 /* ECMA-262 3rd Edition 7.8.1 */
1126 static HRESULT interp_null(exec_ctx_t *ctx)
1133 return stack_push(ctx, &v);
1136 /* ECMA-262 3rd Edition 7.8.2 */
1137 static HRESULT interp_bool(exec_ctx_t *ctx)
1139 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1141 TRACE("%s\n", arg ? "true" : "false");
1143 return stack_push_bool(ctx, arg);
1146 /* ECMA-262 3rd Edition 7.8.3 */
1147 static HRESULT interp_int(exec_ctx_t *ctx)
1149 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1156 return stack_push(ctx, &v);
1159 /* ECMA-262 3rd Edition 7.8.3 */
1160 static HRESULT interp_double(exec_ctx_t *ctx)
1162 const double arg = *ctx->parser->code->instrs[ctx->ip].arg1.dbl;
1165 TRACE("%lf\n", arg);
1169 return stack_push(ctx, &v);
1172 /* ECMA-262 3rd Edition 7.8.4 */
1173 static HRESULT interp_str(exec_ctx_t *ctx)
1175 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg1.str;
1178 TRACE("%s\n", debugstr_w(str));
1181 V_BSTR(&v) = SysAllocString(str);
1183 return E_OUTOFMEMORY;
1185 return stack_push(ctx, &v);
1188 /* ECMA-262 3rd Edition 7.8 */
1189 static HRESULT interp_regexp(exec_ctx_t *ctx)
1191 const WCHAR *source = ctx->parser->code->instrs[ctx->ip].arg1.str;
1192 const LONG flags = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1197 TRACE("%s %x\n", debugstr_w(source), flags);
1199 hres = create_regexp(ctx->parser->script, source, strlenW(source), flags, ®exp);
1203 var_set_jsdisp(&v, regexp);
1204 return stack_push(ctx, &v);
1207 /* ECMA-262 3rd Edition 11.1.4 */
1208 static HRESULT interp_carray(exec_ctx_t *ctx)
1210 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1218 hres = create_array(ctx->parser->script, arg, &array);
1225 hres = jsdisp_propput_idx(array, i, v, ctx->ei, NULL/*FIXME*/);
1228 jsdisp_release(array);
1233 var_set_jsdisp(&r, array);
1234 return stack_push(ctx, &r);
1237 /* ECMA-262 3rd Edition 11.1.5 */
1238 static HRESULT interp_new_obj(exec_ctx_t *ctx)
1246 hres = create_object(ctx->parser->script, NULL, &obj);
1250 var_set_jsdisp(&v, obj);
1251 return stack_push(ctx, &v);
1254 /* ECMA-262 3rd Edition 11.1.5 */
1255 static HRESULT interp_obj_prop(exec_ctx_t *ctx)
1257 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1262 TRACE("%s\n", debugstr_w(name));
1266 assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
1267 obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
1269 hres = jsdisp_propput_name(obj, name, v, ctx->ei, NULL/*FIXME*/);
1274 /* ECMA-262 3rd Edition 11.11 */
1275 static HRESULT interp_cnd_nz(exec_ctx_t *ctx)
1277 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1283 hres = to_boolean(stack_top(ctx), &b);
1296 /* ECMA-262 3rd Edition 11.11 */
1297 static HRESULT interp_cnd_z(exec_ctx_t *ctx)
1299 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1305 hres = to_boolean(stack_top(ctx), &b);
1318 /* ECMA-262 3rd Edition 11.10 */
1319 static HRESULT interp_or(exec_ctx_t *ctx)
1326 hres = stack_pop_int(ctx, &r);
1330 hres = stack_pop_int(ctx, &l);
1334 return stack_push_int(ctx, l|r);
1337 /* ECMA-262 3rd Edition 11.10 */
1338 static HRESULT interp_xor(exec_ctx_t *ctx)
1345 hres = stack_pop_int(ctx, &r);
1349 hres = stack_pop_int(ctx, &l);
1353 return stack_push_int(ctx, l^r);
1356 /* ECMA-262 3rd Edition 11.10 */
1357 static HRESULT interp_and(exec_ctx_t *ctx)
1364 hres = stack_pop_int(ctx, &r);
1368 hres = stack_pop_int(ctx, &l);
1372 return stack_push_int(ctx, l&r);
1375 /* ECMA-262 3rd Edition 11.8.6 */
1376 static HRESULT interp_instanceof(exec_ctx_t *ctx)
1378 jsdisp_t *obj, *iter, *tmp = NULL;
1383 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1386 if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
1388 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1391 obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1392 IDispatch_Release(V_DISPATCH(v));
1394 FIXME("non-jsdisp objects not supported\n");
1398 if(is_class(obj, JSCLASS_FUNCTION)) {
1399 hres = jsdisp_propget_name(obj, prototypeW, &prot, ctx->ei, NULL/*FIXME*/);
1401 hres = throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1403 jsdisp_release(obj);
1409 if(V_VT(&prot) == VT_DISPATCH) {
1410 if(V_VT(v) == VT_DISPATCH)
1411 tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1412 for(iter = tmp; !ret && iter; iter = iter->prototype) {
1413 hres = disp_cmp(V_DISPATCH(&prot), to_disp(iter), &ret);
1419 jsdisp_release(tmp);
1421 FIXME("prototype is not an object\n");
1425 VariantClear(&prot);
1430 return stack_push_bool(ctx, ret);
1433 /* ECMA-262 3rd Edition 11.8.7 */
1434 static HRESULT interp_in(exec_ctx_t *ctx)
1444 obj = stack_pop(ctx);
1447 if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
1450 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1453 hres = to_string(ctx->parser->script, v, ctx->ei, &str);
1456 IDispatch_Release(V_DISPATCH(obj));
1460 hres = disp_get_id(ctx->parser->script, V_DISPATCH(obj), str, 0, &id);
1461 IDispatch_Release(V_DISPATCH(obj));
1465 else if(hres == DISP_E_UNKNOWNNAME)
1470 return stack_push_bool(ctx, ret);
1473 /* ECMA-262 3rd Edition 11.6.1 */
1474 static HRESULT add_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
1479 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
1483 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
1489 if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
1490 BSTR lstr = NULL, rstr = NULL;
1492 if(V_VT(&l) == VT_BSTR)
1495 hres = to_string(ctx, &l, ei, &lstr);
1497 if(SUCCEEDED(hres)) {
1498 if(V_VT(&r) == VT_BSTR)
1501 hres = to_string(ctx, &r, ei, &rstr);
1504 if(SUCCEEDED(hres)) {
1507 len1 = SysStringLen(lstr);
1508 len2 = SysStringLen(rstr);
1510 V_VT(retv) = VT_BSTR;
1511 V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
1512 memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
1513 memcpy(V_BSTR(retv)+len1, rstr, (len2+1)*sizeof(WCHAR));
1516 if(V_VT(&l) != VT_BSTR)
1517 SysFreeString(lstr);
1518 if(V_VT(&r) != VT_BSTR)
1519 SysFreeString(rstr);
1523 hres = to_number(ctx, &l, ei, &nl);
1524 if(SUCCEEDED(hres)) {
1525 hres = to_number(ctx, &r, ei, &nr);
1527 num_set_val(retv, num_val(&nl) + num_val(&nr));
1536 /* ECMA-262 3rd Edition 11.6.1 */
1537 static HRESULT interp_add(exec_ctx_t *ctx)
1539 VARIANT *l, *r, ret;
1545 TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
1547 hres = add_eval(ctx->parser->script, l, r, ctx->ei, &ret);
1553 return stack_push(ctx, &ret);
1556 /* ECMA-262 3rd Edition 11.6.2 */
1557 static HRESULT interp_sub(exec_ctx_t *ctx)
1564 hres = stack_pop_number(ctx, &r);
1568 hres = stack_pop_number(ctx, &l);
1572 return stack_push_number(ctx, num_val(&l)-num_val(&r));
1575 /* ECMA-262 3rd Edition 11.5.1 */
1576 static HRESULT interp_mul(exec_ctx_t *ctx)
1583 hres = stack_pop_number(ctx, &r);
1587 hres = stack_pop_number(ctx, &l);
1591 return stack_push_number(ctx, num_val(&l)*num_val(&r));
1594 /* ECMA-262 3rd Edition 11.5.2 */
1595 static HRESULT interp_div(exec_ctx_t *ctx)
1602 hres = stack_pop_number(ctx, &r);
1606 hres = stack_pop_number(ctx, &l);
1610 return stack_push_number(ctx, num_val(&l)/num_val(&r));
1613 /* ECMA-262 3rd Edition 11.5.3 */
1614 static HRESULT interp_mod(exec_ctx_t *ctx)
1621 hres = stack_pop_number(ctx, &r);
1625 hres = stack_pop_number(ctx, &l);
1629 return stack_push_number(ctx, fmod(num_val(&l), num_val(&r)));
1632 /* ECMA-262 3rd Edition 11.4.2 */
1633 static HRESULT interp_delete(exec_ctx_t *ctx)
1635 VARIANT *obj_var, *name_var;
1636 IDispatchEx *dispex;
1644 name_var = stack_pop(ctx);
1645 obj_var = stack_pop(ctx);
1647 hres = to_object(ctx->parser->script, obj_var, &obj);
1648 VariantClear(obj_var);
1650 VariantClear(name_var);
1654 hres = to_string(ctx->parser->script, name_var, ctx->ei, &name);
1655 VariantClear(name_var);
1657 IDispatch_Release(obj);
1661 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
1662 if(SUCCEEDED(hres)) {
1663 hres = IDispatchEx_DeleteMemberByName(dispex, name, make_grfdex(ctx->parser->script, fdexNameCaseSensitive));
1665 IDispatchEx_Release(dispex);
1671 IDispatch_Release(obj);
1672 SysFreeString(name);
1676 return stack_push_bool(ctx, ret);
1679 /* ECMA-262 3rd Edition 11.4.2 */
1680 static HRESULT interp_delete_ident(exec_ctx_t *ctx)
1682 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1683 IDispatchEx *dispex;
1688 TRACE("%s\n", debugstr_w(arg));
1690 hres = identifier_eval(ctx->parser->script, arg, &exprval);
1694 if(exprval.type != EXPRVAL_IDREF) {
1695 FIXME("Unsupported exprval\n");
1696 exprval_release(&exprval);
1700 hres = IDispatch_QueryInterface(exprval.u.idref.disp, &IID_IDispatchEx, (void**)&dispex);
1701 IDispatch_Release(exprval.u.idref.disp);
1702 if(SUCCEEDED(hres)) {
1703 hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
1704 IDispatchEx_Release(dispex);
1711 return stack_push_bool(ctx, ret);
1714 /* ECMA-262 3rd Edition 11.4.2 */
1715 static HRESULT interp_void(exec_ctx_t *ctx)
1723 V_VT(&v) = VT_EMPTY;
1724 return stack_push(ctx, &v);
1727 /* ECMA-262 3rd Edition 11.4.3 */
1728 static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
1750 if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
1751 *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
1752 jsdisp_release(dispex);
1759 FIXME("unhandled vt %d\n", V_VT(v));
1766 /* ECMA-262 3rd Edition 11.4.3 */
1767 static HRESULT interp_typeofid(exec_ctx_t *ctx)
1775 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
1779 obj = stack_pop_objid(ctx, &id);
1781 return stack_push_string(ctx, undefinedW);
1783 V_VT(&v) = VT_EMPTY;
1784 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1785 IDispatch_Release(obj);
1787 return stack_push_string(ctx, unknownW);
1789 hres = typeof_string(&v, &ret);
1794 return stack_push_string(ctx, ret);
1797 /* ECMA-262 3rd Edition 11.4.3 */
1798 static HRESULT interp_typeofident(exec_ctx_t *ctx)
1800 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1806 TRACE("%s\n", debugstr_w(arg));
1808 hres = identifier_eval(ctx->parser->script, arg, &exprval);
1812 if(exprval.type == EXPRVAL_INVALID) {
1813 hres = stack_push_string(ctx, undefinedW);
1814 exprval_release(&exprval);
1818 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1819 exprval_release(&exprval);
1823 hres = typeof_string(&v, &ret);
1828 return stack_push_string(ctx, ret);
1831 /* ECMA-262 3rd Edition 11.4.3 */
1832 static HRESULT interp_typeof(exec_ctx_t *ctx)
1841 hres = typeof_string(v, &ret);
1846 return stack_push_string(ctx, ret);
1849 /* ECMA-262 3rd Edition 11.4.7 */
1850 static HRESULT interp_minus(exec_ctx_t *ctx)
1857 hres = stack_pop_number(ctx, &n);
1861 return stack_push_number(ctx, -num_val(&n));
1864 /* ECMA-262 3rd Edition 11.4.6 */
1865 static HRESULT interp_tonum(exec_ctx_t *ctx)
1873 hres = to_number(ctx->parser->script, v, ctx->ei, &num);
1878 return stack_push(ctx, &num);
1881 /* ECMA-262 3rd Edition 11.3.1 */
1882 static HRESULT interp_postinc(exec_ctx_t *ctx)
1884 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1892 obj = stack_pop_objid(ctx, &id);
1894 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1896 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1897 if(SUCCEEDED(hres)) {
1900 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
1901 if(SUCCEEDED(hres)) {
1902 num_set_val(&inc, num_val(&n)+(double)arg);
1903 hres = disp_propput(ctx->parser->script, obj, id, &inc, ctx->ei, NULL/*FIXME*/);
1908 IDispatch_Release(obj);
1912 return stack_push(ctx, &v);
1915 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
1916 static HRESULT interp_preinc(exec_ctx_t *ctx)
1918 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1926 obj = stack_pop_objid(ctx, &id);
1928 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1930 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1931 if(SUCCEEDED(hres)) {
1934 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
1936 if(SUCCEEDED(hres)) {
1937 num_set_val(&v, num_val(&n)+(double)arg);
1938 hres = disp_propput(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1941 IDispatch_Release(obj);
1945 return stack_push(ctx, &v);
1948 /* ECMA-262 3rd Edition 11.9.3 */
1949 static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
1951 if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
1952 return equal2_values(lval, rval, ret);
1954 /* FIXME: NULL disps should be handled in more general way */
1955 if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
1958 return equal_values(ctx, &v, rval, ei, ret);
1961 if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
1964 return equal_values(ctx, lval, &v, ei, ret);
1967 if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
1968 (V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
1973 if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
1977 hres = to_number(ctx, lval, ei, &v);
1981 return equal_values(ctx, &v, rval, ei, ret);
1984 if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
1988 hres = to_number(ctx, rval, ei, &v);
1992 return equal_values(ctx, lval, &v, ei, ret);
1995 if(V_VT(rval) == VT_BOOL) {
1999 V_I4(&v) = V_BOOL(rval) ? 1 : 0;
2000 return equal_values(ctx, lval, &v, ei, ret);
2003 if(V_VT(lval) == VT_BOOL) {
2007 V_I4(&v) = V_BOOL(lval) ? 1 : 0;
2008 return equal_values(ctx, &v, rval, ei, ret);
2012 if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
2016 hres = to_primitive(ctx, rval, ei, &v, NO_HINT);
2020 hres = equal_values(ctx, lval, &v, ei, ret);
2027 if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
2031 hres = to_primitive(ctx, lval, ei, &v, NO_HINT);
2035 hres = equal_values(ctx, &v, rval, ei, ret);
2046 /* ECMA-262 3rd Edition 11.9.1 */
2047 static HRESULT interp_eq(exec_ctx_t *ctx)
2056 TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
2058 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2064 return stack_push_bool(ctx, b);
2067 /* ECMA-262 3rd Edition 11.9.2 */
2068 static HRESULT interp_neq(exec_ctx_t *ctx)
2077 TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
2079 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2085 return stack_push_bool(ctx, !b);
2088 /* ECMA-262 3rd Edition 11.9.4 */
2089 static HRESULT interp_eq2(exec_ctx_t *ctx)
2100 hres = equal2_values(r, l, &b);
2106 return stack_push_bool(ctx, b);
2109 /* ECMA-262 3rd Edition 11.9.5 */
2110 static HRESULT interp_neq2(exec_ctx_t *ctx)
2121 hres = equal2_values(r, l, &b);
2127 return stack_push_bool(ctx, !b);
2130 /* ECMA-262 3rd Edition 11.8.5 */
2131 static HRESULT less_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
2133 VARIANT l, r, ln, rn;
2136 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2140 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2146 if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
2147 *ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
2148 SysFreeString(V_BSTR(&l));
2149 SysFreeString(V_BSTR(&r));
2153 hres = to_number(ctx, &l, ei, &ln);
2156 hres = to_number(ctx, &r, ei, &rn);
2161 if(V_VT(&ln) == VT_I4 && V_VT(&rn) == VT_I4) {
2162 *ret = (V_I4(&ln) < V_I4(&rn)) ^ greater;
2164 DOUBLE ld = num_val(&ln);
2165 DOUBLE rd = num_val(&rn);
2167 *ret = !isnan(ld) && !isnan(rd) && ((ld < rd) ^ greater);
2173 /* ECMA-262 3rd Edition 11.8.1 */
2174 static HRESULT interp_lt(exec_ctx_t *ctx)
2183 TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
2185 hres = less_eval(ctx->parser->script, l, r, FALSE, ctx->ei, &b);
2191 return stack_push_bool(ctx, b);
2194 /* ECMA-262 3rd Edition 11.8.1 */
2195 static HRESULT interp_lteq(exec_ctx_t *ctx)
2204 TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
2206 hres = less_eval(ctx->parser->script, r, l, TRUE, ctx->ei, &b);
2212 return stack_push_bool(ctx, b);
2215 /* ECMA-262 3rd Edition 11.8.2 */
2216 static HRESULT interp_gt(exec_ctx_t *ctx)
2225 TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
2227 hres = less_eval(ctx->parser->script, r, l, FALSE, ctx->ei, &b);
2233 return stack_push_bool(ctx, b);
2236 /* ECMA-262 3rd Edition 11.8.4 */
2237 static HRESULT interp_gteq(exec_ctx_t *ctx)
2246 TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
2248 hres = less_eval(ctx->parser->script, l, r, TRUE, ctx->ei, &b);
2254 return stack_push_bool(ctx, b);
2257 /* ECMA-262 3rd Edition 11.4.8 */
2258 static HRESULT interp_bneg(exec_ctx_t *ctx)
2267 hres = to_int32(ctx->parser->script, v, ctx->ei, &i);
2274 return stack_push(ctx, &r);
2277 /* ECMA-262 3rd Edition 11.4.9 */
2278 static HRESULT interp_neg(exec_ctx_t *ctx)
2287 hres = to_boolean(v, &b);
2292 return stack_push_bool(ctx, !b);
2295 /* ECMA-262 3rd Edition 11.7.1 */
2296 static HRESULT interp_lshift(exec_ctx_t *ctx)
2302 hres = stack_pop_uint(ctx, &r);
2306 hres = stack_pop_int(ctx, &l);
2310 return stack_push_int(ctx, l << (r&0x1f));
2313 /* ECMA-262 3rd Edition 11.7.2 */
2314 static HRESULT interp_rshift(exec_ctx_t *ctx)
2320 hres = stack_pop_uint(ctx, &r);
2324 hres = stack_pop_int(ctx, &l);
2328 return stack_push_int(ctx, l >> (r&0x1f));
2331 /* ECMA-262 3rd Edition 11.7.3 */
2332 static HRESULT interp_rshift2(exec_ctx_t *ctx)
2337 hres = stack_pop_uint(ctx, &r);
2341 hres = stack_pop_uint(ctx, &l);
2345 return stack_push_int(ctx, l >> (r&0x1f));
2348 /* ECMA-262 3rd Edition 11.13.1 */
2349 static HRESULT interp_assign(exec_ctx_t *ctx)
2359 disp = stack_pop_objid(ctx, &id);
2362 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2364 hres = disp_propput(ctx->parser->script, disp, id, v, ctx->ei, NULL/*FIXME*/);
2365 IDispatch_Release(disp);
2371 return stack_push(ctx, v);
2374 static HRESULT interp_undefined(exec_ctx_t *ctx)
2380 V_VT(&v) = VT_EMPTY;
2381 return stack_push(ctx, &v);
2384 static HRESULT interp_jmp(exec_ctx_t *ctx)
2386 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2394 static HRESULT interp_jmp_z(exec_ctx_t *ctx)
2396 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2404 hres = to_boolean(v, &b);
2416 static HRESULT interp_pop(exec_ctx_t *ctx)
2424 static HRESULT interp_ret(exec_ctx_t *ctx)
2432 typedef HRESULT (*op_func_t)(exec_ctx_t*);
2434 static const op_func_t op_funcs[] = {
2435 #define X(x,a,b,c) interp_##x,
2440 static const unsigned op_move[] = {
2441 #define X(a,x,b,c) x,
2446 static HRESULT unwind_exception(exec_ctx_t *ctx)
2448 except_frame_t *except_frame;
2453 except_frame = ctx->except_frame;
2454 ctx->except_frame = except_frame->next;
2456 assert(except_frame->stack_top <= ctx->top);
2457 stack_popn(ctx, ctx->top - except_frame->stack_top);
2459 while(except_frame->scope != ctx->scope_chain)
2460 scope_pop(&ctx->scope_chain);
2462 ctx->ip = except_frame->catch_off;
2464 except_val = ctx->ei->var;
2465 memset(ctx->ei, 0, sizeof(*ctx->ei));
2467 ident = except_frame->ident;
2468 heap_free(except_frame);
2471 jsdisp_t *scope_obj;
2473 hres = create_dispex(ctx->parser->script, NULL, NULL, &scope_obj);
2474 if(SUCCEEDED(hres)) {
2475 hres = jsdisp_propput_name(scope_obj, ident, &except_val, ctx->ei, NULL/*FIXME*/);
2477 jsdisp_release(scope_obj);
2479 VariantClear(&except_val);
2483 hres = scope_push(ctx->scope_chain, scope_obj, &ctx->scope_chain);
2484 jsdisp_release(scope_obj);
2488 hres = stack_push(ctx, &except_val);
2492 hres = stack_push_bool(ctx, FALSE);
2496 V_VT(&v) = VT_EMPTY;
2497 hres = stack_push(ctx, &v);
2503 static HRESULT enter_bytecode(script_ctx_t *ctx, unsigned ip, jsexcept_t *ei, VARIANT *ret)
2505 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2506 except_frame_t *prev_except_frame;
2507 unsigned prev_ip, prev_top;
2508 scope_chain_t *prev_scope;
2509 jsexcept_t *prev_ei;
2511 HRESULT hres = S_OK;
2515 prev_top = exec_ctx->top;
2516 prev_scope = exec_ctx->scope_chain;
2517 prev_except_frame = exec_ctx->except_frame;
2518 prev_ip = exec_ctx->ip;
2519 prev_ei = exec_ctx->ei;
2522 exec_ctx->except_frame = NULL;
2524 while(exec_ctx->ip != -1) {
2525 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
2526 hres = op_funcs[op](exec_ctx);
2528 TRACE("EXCEPTION\n");
2530 if(!exec_ctx->except_frame)
2533 hres = unwind_exception(exec_ctx);
2537 exec_ctx->ip += op_move[op];
2541 exec_ctx->ip = prev_ip;
2542 exec_ctx->ei = prev_ei;
2543 exec_ctx->except_frame = prev_except_frame;
2546 while(exec_ctx->scope_chain != prev_scope)
2547 scope_pop(&exec_ctx->scope_chain);
2548 stack_popn(exec_ctx, exec_ctx->top-prev_top);
2552 assert(exec_ctx->top == prev_top+1 || exec_ctx->top == prev_top);
2553 assert(exec_ctx->scope_chain == prev_scope);
2555 if(exec_ctx->top == prev_top)
2556 V_VT(ret) = VT_EMPTY;
2558 *ret = *stack_pop(exec_ctx);
2562 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, BOOL from_eval,
2563 jsexcept_t *ei, VARIANT *retv)
2565 script_ctx_t *script = parser->script;
2566 function_declaration_t *func;
2567 parser_ctx_t *prev_parser;
2570 exec_ctx_t *prev_ctx;
2571 HRESULT hres = S_OK;
2573 for(func = source->functions; func; func = func->next) {
2577 hres = create_source_function(parser, func->expr->parameter_list, func->expr->source_elements,
2578 ctx->scope_chain, func->expr->src_str, func->expr->src_len, &func_obj);
2582 var_set_jsdisp(&var, func_obj);
2583 hres = jsdisp_propput_name(ctx->var_disp, func->expr->identifier, &var, ei, NULL);
2584 jsdisp_release(func_obj);
2589 for(var = source->variables; var; var = var->next) {
2593 name = SysAllocString(var->identifier);
2595 return E_OUTOFMEMORY;
2597 if(!ctx->is_global || !lookup_global_members(parser->script, name, NULL))
2598 hres = jsdisp_get_id(ctx->var_disp, var->identifier, fdexNameEnsure, &id);
2599 SysFreeString(name);
2604 prev_ctx = script->exec_ctx;
2605 script->exec_ctx = ctx;
2607 prev_parser = ctx->parser;
2608 ctx->parser = parser;
2610 if(source->statement) {
2611 if(!source->instr_off) {
2612 hres = compile_subscript_stat(ctx->parser, source->statement, from_eval, &source->instr_off);
2613 if(FAILED(hres) && is_jscript_error(hres))
2614 hres = throw_syntax_error(script, ei, hres, NULL);
2617 hres = enter_bytecode(script, source->instr_off, ei, &val);
2619 V_VT(&val) = VT_EMPTY;
2622 script->exec_ctx = prev_ctx;
2623 ctx->parser = prev_parser;