2 * Copyright 2008 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
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 _return_type_t {
50 struct _except_frame_t {
59 static HRESULT expr_eval(script_ctx_t*,expression_t*,jsexcept_t*,VARIANT*);
61 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
63 if(!ctx->stack_size) {
64 ctx->stack = heap_alloc(16*sizeof(VARIANT));
68 }else if(ctx->stack_size == ctx->top) {
71 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(VARIANT));
77 ctx->stack = new_stack;
81 ctx->stack[ctx->top++] = *v;
85 static HRESULT stack_push_bool(exec_ctx_t *ctx, BOOL b)
90 V_BOOL(&v) = b ? VARIANT_TRUE : VARIANT_FALSE;
91 return stack_push(ctx, &v);
94 static inline HRESULT stack_push_number(exec_ctx_t *ctx, double number)
98 num_set_val(&v, number);
99 return stack_push(ctx, &v);
102 static inline HRESULT stack_push_int(exec_ctx_t *ctx, INT n)
108 return stack_push(ctx, &v);
111 static inline HRESULT stack_push_string(exec_ctx_t *ctx, const WCHAR *str)
116 V_BSTR(&v) = SysAllocString(str);
117 return V_BSTR(&v) ? stack_push(ctx, &v) : E_OUTOFMEMORY;
120 static HRESULT stack_push_objid(exec_ctx_t *ctx, IDispatch *disp, DISPID id)
125 V_VT(&v) = VT_DISPATCH;
126 V_DISPATCH(&v) = disp;
127 hres = stack_push(ctx, &v);
133 return stack_push(ctx, &v);
136 static inline VARIANT *stack_top(exec_ctx_t *ctx)
139 return ctx->stack + ctx->top-1;
142 static inline VARIANT *stack_topn(exec_ctx_t *ctx, unsigned n)
144 assert(ctx->top > n);
145 return ctx->stack + ctx->top-1-n;
148 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
151 return ctx->stack + --ctx->top;
154 static void stack_popn(exec_ctx_t *ctx, unsigned n)
157 VariantClear(stack_pop(ctx));
160 static HRESULT stack_pop_number(exec_ctx_t *ctx, VARIANT *r)
166 hres = to_number(ctx->parser->script, v, ctx->ei, r);
171 static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
177 if(V_VT(v) == VT_DISPATCH) {
179 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
184 hres = to_object(ctx->parser->script, v, r);
189 static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
191 return to_int32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
194 static inline HRESULT stack_pop_uint(exec_ctx_t *ctx, DWORD *r)
196 return to_uint32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
199 static inline IDispatch *stack_pop_objid(exec_ctx_t *ctx, DISPID *id)
201 assert(V_VT(stack_top(ctx)) == VT_INT && V_VT(stack_topn(ctx, 1)) == VT_DISPATCH);
203 *id = V_INT(stack_pop(ctx));
204 return V_DISPATCH(stack_pop(ctx));
207 static inline IDispatch *stack_topn_objid(exec_ctx_t *ctx, unsigned n, DISPID *id)
209 assert(V_VT(stack_topn(ctx, n)) == VT_INT && V_VT(stack_topn(ctx, n+1)) == VT_DISPATCH);
211 *id = V_INT(stack_topn(ctx, n));
212 return V_DISPATCH(stack_topn(ctx, n+1));
215 static void exprval_release(exprval_t *val)
218 case EXPRVAL_VARIANT:
219 if(V_VT(&val->u.var) != VT_EMPTY)
220 VariantClear(&val->u.var);
223 if(val->u.idref.disp)
224 IDispatch_Release(val->u.idref.disp);
226 case EXPRVAL_INVALID:
231 /* ECMA-262 3rd Edition 8.7.1 */
232 static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
234 V_VT(ret) = VT_EMPTY;
237 case EXPRVAL_VARIANT:
238 return VariantCopy(ret, &val->u.var);
240 if(!val->u.idref.disp) {
241 FIXME("throw ReferenceError\n");
245 return disp_propget(ctx, val->u.idref.disp, val->u.idref.id, ret, ei, NULL/*FIXME*/);
246 case EXPRVAL_INVALID:
250 ERR("type %d\n", val->type);
254 static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
256 if(val->type == EXPRVAL_VARIANT) {
258 V_VT(&val->u.var) = VT_EMPTY;
262 return exprval_value(ctx, val, ei, ret);
265 static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
267 val->type = EXPRVAL_IDREF;
268 val->u.idref.disp = disp;
269 val->u.idref.id = id;
272 IDispatch_AddRef(disp);
275 HRESULT scope_push(scope_chain_t *scope, jsdisp_t *obj, scope_chain_t **ret)
277 scope_chain_t *new_scope;
279 new_scope = heap_alloc(sizeof(scope_chain_t));
281 return E_OUTOFMEMORY;
286 new_scope->obj = obj;
290 new_scope->next = scope;
292 new_scope->next = NULL;
299 static void scope_pop(scope_chain_t **scope)
308 void scope_release(scope_chain_t *scope)
314 scope_release(scope->next);
316 jsdisp_release(scope->obj);
320 HRESULT create_exec_ctx(script_ctx_t *script_ctx, IDispatch *this_obj, jsdisp_t *var_disp,
321 scope_chain_t *scope, BOOL is_global, exec_ctx_t **ret)
325 ctx = heap_alloc_zero(sizeof(exec_ctx_t));
327 return E_OUTOFMEMORY;
330 ctx->is_global = is_global;
333 ctx->this_obj = this_obj;
334 else if(script_ctx->host_global)
335 ctx->this_obj = script_ctx->host_global;
337 ctx->this_obj = to_disp(script_ctx->global);
338 IDispatch_AddRef(ctx->this_obj);
340 jsdisp_addref(var_disp);
341 ctx->var_disp = var_disp;
345 ctx->scope_chain = scope;
352 void exec_release(exec_ctx_t *ctx)
358 scope_release(ctx->scope_chain);
360 jsdisp_release(ctx->var_disp);
362 IDispatch_Release(ctx->this_obj);
363 heap_free(ctx->stack);
367 static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
372 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
374 TRACE("unsing IDispatch\n");
377 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
381 hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
382 IDispatchEx_Release(dispex);
386 static inline BOOL is_null(const VARIANT *v)
388 return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
391 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
393 IObjectIdentity *identity;
394 IUnknown *unk1, *unk2;
402 if(!disp1 || !disp2) {
407 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
411 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
413 IUnknown_Release(unk1);
420 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
421 if(SUCCEEDED(hres)) {
422 hres = IObjectIdentity_IsEqualObject(identity, unk2);
423 IObjectIdentity_Release(identity);
430 IUnknown_Release(unk1);
431 IUnknown_Release(unk2);
435 /* ECMA-262 3rd Edition 11.9.6 */
436 static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
440 if(V_VT(lval) != V_VT(rval)) {
441 if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
442 *ret = num_val(lval) == num_val(rval);
443 else if(is_null(lval))
444 *ret = is_null(rval);
456 *ret = V_I4(lval) == V_I4(rval);
459 *ret = V_R8(lval) == V_R8(rval);
463 *ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
464 else if(!V_BSTR(rval))
465 *ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
467 *ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
470 return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
472 *ret = !V_BOOL(lval) == !V_BOOL(rval);
475 FIXME("unimplemented vt %d\n", V_VT(lval));
482 static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
488 for(item = ctx->named_items; item; item = item->next) {
489 if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
490 hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
491 if(SUCCEEDED(hres)) {
493 exprval_set_idref(ret, item->disp, id);
502 /* ECMA-262 3rd Edition 10.1.4 */
503 static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, DWORD flags, jsexcept_t *ei, exprval_t *ret)
505 scope_chain_t *scope;
510 TRACE("%s\n", debugstr_w(identifier));
512 for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
513 hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
514 if(SUCCEEDED(hres)) {
515 exprval_set_idref(ret, to_disp(scope->obj), id);
520 hres = jsdisp_get_id(ctx->global, identifier, 0, &id);
521 if(SUCCEEDED(hres)) {
522 exprval_set_idref(ret, to_disp(ctx->global), id);
526 for(item = ctx->named_items; item; item = item->next) {
527 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
534 hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier,
535 SCRIPTINFO_IUNKNOWN, &unk, NULL);
537 WARN("GetItemInfo failed: %08x\n", hres);
541 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
542 IUnknown_Release(unk);
544 WARN("object does not implement IDispatch\n");
549 ret->type = EXPRVAL_VARIANT;
550 V_VT(&ret->u.var) = VT_DISPATCH;
551 V_DISPATCH(&ret->u.var) = item->disp;
552 IDispatch_AddRef(item->disp);
557 if(lookup_global_members(ctx, identifier, ret))
560 if(flags & fdexNameEnsure) {
561 hres = jsdisp_get_id(ctx->global, identifier, fdexNameEnsure, &id);
565 exprval_set_idref(ret, to_disp(ctx->global), id);
569 ret->type = EXPRVAL_INVALID;
573 /* ECMA-262 3rd Edition 12.2 */
574 static HRESULT interp_var_set(exec_ctx_t *ctx)
576 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
580 TRACE("%s\n", debugstr_w(name));
583 hres = jsdisp_propput_name(ctx->var_disp, name, v, ctx->ei, NULL/*FIXME*/);
588 /* ECMA-262 3rd Edition 12.6.4 */
589 static HRESULT interp_forin(exec_ctx_t *ctx)
591 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
592 IDispatch *var_obj, *obj = NULL;
601 val = stack_pop(ctx);
603 assert(V_VT(stack_top(ctx)) == VT_I4);
604 id = V_I4(stack_top(ctx));
606 var_obj = stack_topn_objid(ctx, 1, &var_id);
608 FIXME("invalid ref\n");
613 if(V_VT(stack_topn(ctx, 3)) == VT_DISPATCH)
614 obj = V_DISPATCH(stack_topn(ctx, 3));
617 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
618 if(SUCCEEDED(hres)) {
619 hres = IDispatchEx_GetNextDispID(dispex, fdexEnumDefault, id, &id);
621 hres = IDispatchEx_GetMemberName(dispex, id, &name);
622 IDispatchEx_Release(dispex);
628 TRACE("No IDispatchEx\n");
637 V_I4(stack_top(ctx)) = id;
641 hres = disp_propput(ctx->parser->script, var_obj, var_id, &v, ctx->ei, NULL/*FIXME*/);
650 return stack_push(ctx, val);
655 /* ECMA-262 3rd Edition 12.7 */
656 HRESULT continue_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
658 branch_statement_t *stat = (branch_statement_t*)_stat;
662 if(stat->identifier) {
663 FIXME("indentifier not implemented\n");
667 rt->type = RT_CONTINUE;
668 V_VT(ret) = VT_EMPTY;
672 /* ECMA-262 3rd Edition 12.8 */
673 HRESULT break_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
675 branch_statement_t *stat = (branch_statement_t*)_stat;
679 if(stat->identifier) {
680 FIXME("indentifier not implemented\n");
685 V_VT(ret) = VT_EMPTY;
689 /* ECMA-262 3rd Edition 12.9 */
690 HRESULT return_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
692 expression_statement_t *stat = (expression_statement_t*)_stat;
698 hres = expr_eval(ctx, stat->expr, &rt->ei, ret);
702 V_VT(ret) = VT_EMPTY;
705 TRACE("= %s\n", debugstr_variant(ret));
706 rt->type = RT_RETURN;
710 /* ECMA-262 3rd Edition 12.10 */
711 HRESULT interp_push_scope(exec_ctx_t *ctx)
721 hres = to_object(ctx->parser->script, v, &disp);
726 obj = to_jsdisp(disp);
728 IDispatch_Release(disp);
729 FIXME("disp is not jsdisp\n");
733 hres = scope_push(ctx->scope_chain, obj, &ctx->scope_chain);
738 /* ECMA-262 3rd Edition 12.10 */
739 HRESULT interp_pop_scope(exec_ctx_t *ctx)
743 scope_pop(&ctx->scope_chain);
747 /* ECMA-262 3rd Edition 12.12 */
748 HRESULT interp_label(exec_ctx_t *ctx)
754 /* ECMA-262 3rd Edition 12.13 */
755 static HRESULT interp_case(exec_ctx_t *ctx)
757 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
765 hres = equal2_values(stack_top(ctx), v, &b);
779 /* ECMA-262 3rd Edition 12.13 */
780 static HRESULT interp_throw(exec_ctx_t *ctx)
784 ctx->rt->ei.var = *stack_pop(ctx);
785 return DISP_E_EXCEPTION;
788 static HRESULT interp_throw_ref(exec_ctx_t *ctx)
790 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
792 TRACE("%08x\n", arg);
794 return throw_reference_error(ctx->parser->script, ctx->ei, arg, NULL);
797 static HRESULT interp_throw_type(exec_ctx_t *ctx)
799 const HRESULT hres = ctx->parser->code->instrs[ctx->ip].arg1.uint;
800 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg2.str;
802 TRACE("%08x %s\n", hres, debugstr_w(str));
804 return throw_type_error(ctx->parser->script, ctx->ei, hres, str);
807 /* ECMA-262 3rd Edition 12.14 */
808 static HRESULT interp_push_except(exec_ctx_t *ctx)
810 const unsigned arg1 = ctx->parser->code->instrs[ctx->ip].arg1.uint;
811 const BSTR arg2 = ctx->parser->code->instrs[ctx->ip].arg2.bstr;
812 except_frame_t *except;
817 stack_top = ctx->top;
822 hres = stack_push_bool(ctx, TRUE);
825 hres = stack_push_bool(ctx, TRUE);
830 except = heap_alloc(sizeof(*except));
832 return E_OUTOFMEMORY;
834 except->stack_top = stack_top;
835 except->scope = ctx->scope_chain;
836 except->catch_off = arg1;
837 except->ident = arg2;
838 except->next = ctx->except_frame;
839 ctx->except_frame = except;
843 /* ECMA-262 3rd Edition 12.14 */
844 static HRESULT interp_pop_except(exec_ctx_t *ctx)
846 except_frame_t *except;
850 except = ctx->except_frame;
851 assert(except != NULL);
853 ctx->except_frame = except->next;
858 /* ECMA-262 3rd Edition 12.14 */
859 static HRESULT interp_end_finally(exec_ctx_t *ctx)
867 assert(V_VT(stack_top(ctx)) == VT_BOOL);
868 if(!V_BOOL(stack_top(ctx))) {
869 TRACE("passing exception\n");
873 ctx->rt->ei.var = *stack_pop(ctx);
874 return DISP_E_EXCEPTION;
878 return stack_push(ctx, v);
881 /* ECMA-262 3rd Edition 13 */
882 static HRESULT interp_func(exec_ctx_t *ctx)
884 function_expression_t *expr = ctx->parser->code->instrs[ctx->ip].arg1.func;
891 hres = create_source_function(ctx->parser, expr->parameter_list, expr->source_elements, ctx->scope_chain,
892 expr->src_str, expr->src_len, &dispex);
896 var_set_jsdisp(&v, dispex);
897 return stack_push(ctx, &v);
900 /* ECMA-262 3rd Edition 11.2.1 */
901 static HRESULT interp_array(exec_ctx_t *ctx)
911 namev = stack_pop(ctx);
913 hres = stack_pop_object(ctx, &obj);
919 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
922 IDispatch_Release(obj);
926 hres = disp_get_id(ctx->parser->script, obj, name, 0, &id);
928 if(SUCCEEDED(hres)) {
929 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
930 }else if(hres == DISP_E_UNKNOWNNAME) {
934 IDispatch_Release(obj);
938 return stack_push(ctx, &v);
941 /* ECMA-262 3rd Edition 11.2.1 */
942 static HRESULT interp_member(exec_ctx_t *ctx)
944 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
952 hres = stack_pop_object(ctx, &obj);
956 hres = disp_get_id(ctx->parser->script, obj, arg, 0, &id);
957 if(SUCCEEDED(hres)) {
959 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
960 }else if(hres == DISP_E_UNKNOWNNAME) {
964 IDispatch_Release(obj);
968 return stack_push(ctx, &v);
971 /* ECMA-262 3rd Edition 11.2.1 */
972 static HRESULT interp_memberid(exec_ctx_t *ctx)
974 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
975 VARIANT *objv, *namev;
983 namev = stack_pop(ctx);
984 objv = stack_pop(ctx);
986 hres = to_object(ctx->parser->script, objv, &obj);
988 if(SUCCEEDED(hres)) {
989 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
991 IDispatch_Release(obj);
997 hres = disp_get_id(ctx->parser->script, obj, name, arg, &id);
1000 IDispatch_Release(obj);
1001 if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) {
1003 id = JS_E_INVALID_PROPERTY;
1009 return stack_push_objid(ctx, obj, id);
1012 /* ECMA-262 3rd Edition 11.2.1 */
1013 static HRESULT interp_refval(exec_ctx_t *ctx)
1022 disp = stack_topn_objid(ctx, 0, &id);
1024 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
1026 hres = disp_propget(ctx->parser->script, disp, id, &v, ctx->ei, NULL/*FIXME*/);
1030 return stack_push(ctx, &v);
1033 static void jsstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
1038 dp->cArgs = arg_cnt;
1039 dp->rgdispidNamedArgs = NULL;
1042 assert(ctx->top >= arg_cnt);
1044 for(i=1; i*2 <= arg_cnt; i++) {
1045 tmp = ctx->stack[ctx->top-i];
1046 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
1047 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
1050 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
1053 /* ECMA-262 3rd Edition 11.2.2 */
1054 static HRESULT interp_new(exec_ctx_t *ctx)
1056 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1063 constr = stack_topn(ctx, arg);
1065 /* NOTE: Should use to_object here */
1067 if(V_VT(constr) == VT_NULL)
1068 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1069 else if(V_VT(constr) != VT_DISPATCH)
1070 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_ACTION, NULL);
1071 else if(!V_DISPATCH(constr))
1072 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1074 jsstack_to_dp(ctx, arg, &dp);
1075 hres = disp_call(ctx->parser->script, V_DISPATCH(constr), DISPID_VALUE,
1076 DISPATCH_CONSTRUCT, &dp, &v, ctx->ei, NULL/*FIXME*/);
1080 stack_popn(ctx, arg+1);
1081 return stack_push(ctx, &v);
1084 /* ECMA-262 3rd Edition 11.2.3 */
1085 static HRESULT interp_call(exec_ctx_t *ctx)
1087 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1088 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1093 TRACE("%d %d\n", argn, do_ret);
1095 objv = stack_topn(ctx, argn);
1096 if(V_VT(objv) != VT_DISPATCH)
1097 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1099 jsstack_to_dp(ctx, argn, &dp);
1100 hres = disp_call(ctx->parser->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
1101 do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1105 stack_popn(ctx, argn+1);
1106 return do_ret ? stack_push(ctx, &v) : S_OK;
1110 /* ECMA-262 3rd Edition 11.2.3 */
1111 static HRESULT interp_call_member(exec_ctx_t *ctx)
1113 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1114 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1121 TRACE("%d %d\n", argn, do_ret);
1123 obj = stack_topn_objid(ctx, argn, &id);
1125 return throw_type_error(ctx->parser->script, ctx->ei, id, NULL);
1127 jsstack_to_dp(ctx, argn, &dp);
1128 hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1132 stack_popn(ctx, argn+2);
1133 return do_ret ? stack_push(ctx, &v) : S_OK;
1137 /* ECMA-262 3rd Edition 11.1.1 */
1138 static HRESULT interp_this(exec_ctx_t *ctx)
1144 V_VT(&v) = VT_DISPATCH;
1145 V_DISPATCH(&v) = ctx->this_obj;
1146 IDispatch_AddRef(ctx->this_obj);
1147 return stack_push(ctx, &v);
1150 /* ECMA-262 3rd Edition 10.1.4 */
1151 static HRESULT interp_ident(exec_ctx_t *ctx)
1153 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1158 TRACE("%s\n", debugstr_w(arg));
1160 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1164 if(exprval.type == EXPRVAL_INVALID)
1165 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_UNDEFINED_VARIABLE, arg);
1167 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1168 exprval_release(&exprval);
1172 return stack_push(ctx, &v);
1175 /* ECMA-262 3rd Edition 10.1.4 */
1176 static HRESULT interp_identid(exec_ctx_t *ctx)
1178 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1179 const unsigned flags = ctx->parser->code->instrs[ctx->ip].arg2.uint;
1183 TRACE("%s %x\n", debugstr_w(arg), flags);
1185 hres = identifier_eval(ctx->parser->script, arg, flags, ctx->ei, &exprval);
1189 if(exprval.type != EXPRVAL_IDREF) {
1190 WARN("invalid ref\n");
1191 exprval_release(&exprval);
1192 return stack_push_objid(ctx, NULL, JS_E_OBJECT_EXPECTED);
1195 return stack_push_objid(ctx, exprval.u.idref.disp, exprval.u.idref.id);
1198 /* ECMA-262 3rd Edition 7.8.1 */
1199 static HRESULT interp_null(exec_ctx_t *ctx)
1206 return stack_push(ctx, &v);
1209 /* ECMA-262 3rd Edition 7.8.2 */
1210 static HRESULT interp_bool(exec_ctx_t *ctx)
1212 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1214 TRACE("%s\n", arg ? "true" : "false");
1216 return stack_push_bool(ctx, arg);
1219 /* ECMA-262 3rd Edition 7.8.3 */
1220 static HRESULT interp_int(exec_ctx_t *ctx)
1222 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1229 return stack_push(ctx, &v);
1232 /* ECMA-262 3rd Edition 7.8.3 */
1233 static HRESULT interp_double(exec_ctx_t *ctx)
1235 const double arg = *ctx->parser->code->instrs[ctx->ip].arg1.dbl;
1238 TRACE("%lf\n", arg);
1242 return stack_push(ctx, &v);
1245 /* ECMA-262 3rd Edition 7.8.4 */
1246 static HRESULT interp_str(exec_ctx_t *ctx)
1248 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg1.str;
1251 TRACE("%s\n", debugstr_w(str));
1254 V_BSTR(&v) = SysAllocString(str);
1256 return E_OUTOFMEMORY;
1258 return stack_push(ctx, &v);
1261 /* ECMA-262 3rd Edition 7.8 */
1262 static HRESULT interp_regexp(exec_ctx_t *ctx)
1264 const WCHAR *source = ctx->parser->code->instrs[ctx->ip].arg1.str;
1265 const LONG flags = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1270 TRACE("%s %x\n", debugstr_w(source), flags);
1272 hres = create_regexp(ctx->parser->script, source, strlenW(source), flags, ®exp);
1276 var_set_jsdisp(&v, regexp);
1277 return stack_push(ctx, &v);
1280 /* ECMA-262 3rd Edition 11.1.4 */
1281 static HRESULT interp_carray(exec_ctx_t *ctx)
1283 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1291 hres = create_array(ctx->parser->script, arg, &array);
1298 hres = jsdisp_propput_idx(array, i, v, ctx->ei, NULL/*FIXME*/);
1301 jsdisp_release(array);
1306 var_set_jsdisp(&r, array);
1307 return stack_push(ctx, &r);
1310 /* ECMA-262 3rd Edition 11.1.5 */
1311 HRESULT interp_new_obj(exec_ctx_t *ctx)
1319 hres = create_object(ctx->parser->script, NULL, &obj);
1323 var_set_jsdisp(&v, obj);
1324 return stack_push(ctx, &v);
1327 /* ECMA-262 3rd Edition 11.1.5 */
1328 HRESULT interp_obj_prop(exec_ctx_t *ctx)
1330 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1335 TRACE("%s\n", debugstr_w(name));
1339 assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
1340 obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
1342 hres = jsdisp_propput_name(obj, name, v, ctx->ei, NULL/*FIXME*/);
1347 /* ECMA-262 3rd Edition 11.11 */
1348 static HRESULT interp_cnd_nz(exec_ctx_t *ctx)
1350 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1356 hres = to_boolean(stack_top(ctx), &b);
1369 /* ECMA-262 3rd Edition 11.11 */
1370 static HRESULT interp_cnd_z(exec_ctx_t *ctx)
1372 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1378 hres = to_boolean(stack_top(ctx), &b);
1391 /* ECMA-262 3rd Edition 11.10 */
1392 static HRESULT interp_or(exec_ctx_t *ctx)
1399 hres = stack_pop_int(ctx, &r);
1403 hres = stack_pop_int(ctx, &l);
1407 return stack_push_int(ctx, l|r);
1410 /* ECMA-262 3rd Edition 11.10 */
1411 static HRESULT interp_xor(exec_ctx_t *ctx)
1418 hres = stack_pop_int(ctx, &r);
1422 hres = stack_pop_int(ctx, &l);
1426 return stack_push_int(ctx, l^r);
1429 /* ECMA-262 3rd Edition 11.10 */
1430 static HRESULT interp_and(exec_ctx_t *ctx)
1437 hres = stack_pop_int(ctx, &r);
1441 hres = stack_pop_int(ctx, &l);
1445 return stack_push_int(ctx, l&r);
1448 /* ECMA-262 3rd Edition 11.8.6 */
1449 static HRESULT interp_instanceof(exec_ctx_t *ctx)
1451 jsdisp_t *obj, *iter, *tmp = NULL;
1456 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1459 if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
1461 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1464 obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1465 IDispatch_Release(V_DISPATCH(v));
1467 FIXME("non-jsdisp objects not supported\n");
1471 if(is_class(obj, JSCLASS_FUNCTION)) {
1472 hres = jsdisp_propget_name(obj, prototypeW, &prot, ctx->ei, NULL/*FIXME*/);
1474 hres = throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1476 jsdisp_release(obj);
1482 if(V_VT(&prot) == VT_DISPATCH) {
1483 if(V_VT(v) == VT_DISPATCH)
1484 tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1485 for(iter = tmp; !ret && iter; iter = iter->prototype) {
1486 hres = disp_cmp(V_DISPATCH(&prot), to_disp(iter), &ret);
1492 jsdisp_release(tmp);
1494 FIXME("prototype is not an object\n");
1498 VariantClear(&prot);
1503 return stack_push_bool(ctx, ret);
1506 /* ECMA-262 3rd Edition 11.8.7 */
1507 static HRESULT interp_in(exec_ctx_t *ctx)
1517 obj = stack_pop(ctx);
1520 if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
1523 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1526 hres = to_string(ctx->parser->script, v, ctx->ei, &str);
1529 IDispatch_Release(V_DISPATCH(obj));
1533 hres = disp_get_id(ctx->parser->script, V_DISPATCH(obj), str, 0, &id);
1534 IDispatch_Release(V_DISPATCH(obj));
1538 else if(hres == DISP_E_UNKNOWNNAME)
1543 return stack_push_bool(ctx, ret);
1546 /* ECMA-262 3rd Edition 11.6.1 */
1547 static HRESULT add_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
1552 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
1556 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
1562 if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
1563 BSTR lstr = NULL, rstr = NULL;
1565 if(V_VT(&l) == VT_BSTR)
1568 hres = to_string(ctx, &l, ei, &lstr);
1570 if(SUCCEEDED(hres)) {
1571 if(V_VT(&r) == VT_BSTR)
1574 hres = to_string(ctx, &r, ei, &rstr);
1577 if(SUCCEEDED(hres)) {
1580 len1 = SysStringLen(lstr);
1581 len2 = SysStringLen(rstr);
1583 V_VT(retv) = VT_BSTR;
1584 V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
1585 memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
1586 memcpy(V_BSTR(retv)+len1, rstr, (len2+1)*sizeof(WCHAR));
1589 if(V_VT(&l) != VT_BSTR)
1590 SysFreeString(lstr);
1591 if(V_VT(&r) != VT_BSTR)
1592 SysFreeString(rstr);
1596 hres = to_number(ctx, &l, ei, &nl);
1597 if(SUCCEEDED(hres)) {
1598 hres = to_number(ctx, &r, ei, &nr);
1600 num_set_val(retv, num_val(&nl) + num_val(&nr));
1609 /* ECMA-262 3rd Edition 11.6.1 */
1610 static HRESULT interp_add(exec_ctx_t *ctx)
1612 VARIANT *l, *r, ret;
1618 TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
1620 hres = add_eval(ctx->parser->script, l, r, ctx->ei, &ret);
1626 return stack_push(ctx, &ret);
1629 /* ECMA-262 3rd Edition 11.6.2 */
1630 static HRESULT interp_sub(exec_ctx_t *ctx)
1637 hres = stack_pop_number(ctx, &r);
1641 hres = stack_pop_number(ctx, &l);
1645 return stack_push_number(ctx, num_val(&l)-num_val(&r));
1648 /* ECMA-262 3rd Edition 11.5.1 */
1649 static HRESULT interp_mul(exec_ctx_t *ctx)
1656 hres = stack_pop_number(ctx, &r);
1660 hres = stack_pop_number(ctx, &l);
1664 return stack_push_number(ctx, num_val(&l)*num_val(&r));
1667 /* ECMA-262 3rd Edition 11.5.2 */
1668 static HRESULT interp_div(exec_ctx_t *ctx)
1675 hres = stack_pop_number(ctx, &r);
1679 hres = stack_pop_number(ctx, &l);
1683 return stack_push_number(ctx, num_val(&l)/num_val(&r));
1686 /* ECMA-262 3rd Edition 11.5.3 */
1687 static HRESULT interp_mod(exec_ctx_t *ctx)
1694 hres = stack_pop_number(ctx, &r);
1698 hres = stack_pop_number(ctx, &l);
1702 return stack_push_number(ctx, fmod(num_val(&l), num_val(&r)));
1705 /* ECMA-262 3rd Edition 11.4.2 */
1706 static HRESULT interp_delete(exec_ctx_t *ctx)
1708 VARIANT *obj_var, *name_var;
1709 IDispatchEx *dispex;
1717 name_var = stack_pop(ctx);
1718 obj_var = stack_pop(ctx);
1720 hres = to_object(ctx->parser->script, obj_var, &obj);
1721 VariantClear(obj_var);
1723 VariantClear(name_var);
1727 hres = to_string(ctx->parser->script, name_var, ctx->ei, &name);
1728 VariantClear(name_var);
1730 IDispatch_Release(obj);
1734 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
1735 if(SUCCEEDED(hres)) {
1736 hres = IDispatchEx_DeleteMemberByName(dispex, name, make_grfdex(ctx->parser->script, fdexNameCaseSensitive));
1738 IDispatchEx_Release(dispex);
1744 IDispatch_Release(obj);
1745 SysFreeString(name);
1749 return stack_push_bool(ctx, ret);
1752 /* ECMA-262 3rd Edition 11.4.2 */
1753 static HRESULT interp_delete_ident(exec_ctx_t *ctx)
1755 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1756 IDispatchEx *dispex;
1761 TRACE("%s\n", debugstr_w(arg));
1763 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1767 if(exprval.type != EXPRVAL_IDREF) {
1768 FIXME("Unsupported exprval\n");
1769 exprval_release(&exprval);
1773 hres = IDispatch_QueryInterface(exprval.u.idref.disp, &IID_IDispatchEx, (void**)&dispex);
1774 IDispatch_Release(exprval.u.idref.disp);
1775 if(SUCCEEDED(hres)) {
1776 hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
1777 IDispatchEx_Release(dispex);
1784 return stack_push_bool(ctx, ret);
1787 /* ECMA-262 3rd Edition 11.4.2 */
1788 static HRESULT interp_void(exec_ctx_t *ctx)
1796 V_VT(&v) = VT_EMPTY;
1797 return stack_push(ctx, &v);
1800 /* ECMA-262 3rd Edition 11.4.3 */
1801 static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
1823 if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
1824 *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
1825 jsdisp_release(dispex);
1832 FIXME("unhandled vt %d\n", V_VT(v));
1839 /* ECMA-262 3rd Edition 11.4.3 */
1840 static HRESULT interp_typeofid(exec_ctx_t *ctx)
1848 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
1852 obj = stack_pop_objid(ctx, &id);
1854 return stack_push_string(ctx, undefinedW);
1856 V_VT(&v) = VT_EMPTY;
1857 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1858 IDispatch_Release(obj);
1860 return stack_push_string(ctx, unknownW);
1862 hres = typeof_string(&v, &ret);
1867 return stack_push_string(ctx, ret);
1870 /* ECMA-262 3rd Edition 11.4.3 */
1871 static HRESULT interp_typeofident(exec_ctx_t *ctx)
1873 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1879 TRACE("%s\n", debugstr_w(arg));
1881 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1885 if(exprval.type == EXPRVAL_INVALID) {
1886 hres = stack_push_string(ctx, undefinedW);
1887 exprval_release(&exprval);
1891 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1892 exprval_release(&exprval);
1896 hres = typeof_string(&v, &ret);
1901 return stack_push_string(ctx, ret);
1904 /* ECMA-262 3rd Edition 11.4.3 */
1905 static HRESULT interp_typeof(exec_ctx_t *ctx)
1914 hres = typeof_string(v, &ret);
1919 return stack_push_string(ctx, ret);
1922 /* ECMA-262 3rd Edition 11.4.7 */
1923 static HRESULT interp_minus(exec_ctx_t *ctx)
1930 hres = stack_pop_number(ctx, &n);
1934 return stack_push_number(ctx, -num_val(&n));
1937 /* ECMA-262 3rd Edition 11.4.6 */
1938 static HRESULT interp_tonum(exec_ctx_t *ctx)
1946 hres = to_number(ctx->parser->script, v, ctx->ei, &num);
1951 return stack_push(ctx, &num);
1954 /* ECMA-262 3rd Edition 11.3.1 */
1955 static HRESULT interp_postinc(exec_ctx_t *ctx)
1957 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1965 obj = stack_pop_objid(ctx, &id);
1967 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1969 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1970 if(SUCCEEDED(hres)) {
1973 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
1974 if(SUCCEEDED(hres)) {
1975 num_set_val(&inc, num_val(&n)+(double)arg);
1976 hres = disp_propput(ctx->parser->script, obj, id, &inc, ctx->ei, NULL/*FIXME*/);
1981 IDispatch_Release(obj);
1985 return stack_push(ctx, &v);
1988 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
1989 static HRESULT interp_preinc(exec_ctx_t *ctx)
1991 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1999 obj = stack_pop_objid(ctx, &id);
2001 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
2003 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
2004 if(SUCCEEDED(hres)) {
2007 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
2009 if(SUCCEEDED(hres)) {
2010 num_set_val(&v, num_val(&n)+(double)arg);
2011 hres = disp_propput(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
2014 IDispatch_Release(obj);
2018 return stack_push(ctx, &v);
2021 /* ECMA-262 3rd Edition 11.9.3 */
2022 static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
2024 if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
2025 return equal2_values(lval, rval, ret);
2027 /* FIXME: NULL disps should be handled in more general way */
2028 if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
2031 return equal_values(ctx, &v, rval, ei, ret);
2034 if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
2037 return equal_values(ctx, lval, &v, ei, ret);
2040 if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
2041 (V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
2046 if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
2050 hres = to_number(ctx, lval, ei, &v);
2054 return equal_values(ctx, &v, rval, ei, ret);
2057 if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
2061 hres = to_number(ctx, rval, ei, &v);
2065 return equal_values(ctx, lval, &v, ei, ret);
2068 if(V_VT(rval) == VT_BOOL) {
2072 V_I4(&v) = V_BOOL(rval) ? 1 : 0;
2073 return equal_values(ctx, lval, &v, ei, ret);
2076 if(V_VT(lval) == VT_BOOL) {
2080 V_I4(&v) = V_BOOL(lval) ? 1 : 0;
2081 return equal_values(ctx, &v, rval, ei, ret);
2085 if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
2089 hres = to_primitive(ctx, rval, ei, &v, NO_HINT);
2093 hres = equal_values(ctx, lval, &v, ei, ret);
2100 if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
2104 hres = to_primitive(ctx, lval, ei, &v, NO_HINT);
2108 hres = equal_values(ctx, &v, rval, ei, ret);
2119 /* ECMA-262 3rd Edition 11.9.1 */
2120 static HRESULT interp_eq(exec_ctx_t *ctx)
2129 TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
2131 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2137 return stack_push_bool(ctx, b);
2140 /* ECMA-262 3rd Edition 11.9.2 */
2141 static HRESULT interp_neq(exec_ctx_t *ctx)
2150 TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
2152 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2158 return stack_push_bool(ctx, !b);
2161 /* ECMA-262 3rd Edition 11.9.4 */
2162 static HRESULT interp_eq2(exec_ctx_t *ctx)
2173 hres = equal2_values(r, l, &b);
2179 return stack_push_bool(ctx, b);
2182 /* ECMA-262 3rd Edition 11.9.5 */
2183 static HRESULT interp_neq2(exec_ctx_t *ctx)
2194 hres = equal2_values(r, l, &b);
2200 return stack_push_bool(ctx, !b);
2203 /* ECMA-262 3rd Edition 11.8.5 */
2204 static HRESULT less_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
2206 VARIANT l, r, ln, rn;
2209 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2213 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2219 if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
2220 *ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
2221 SysFreeString(V_BSTR(&l));
2222 SysFreeString(V_BSTR(&r));
2226 hres = to_number(ctx, &l, ei, &ln);
2229 hres = to_number(ctx, &r, ei, &rn);
2234 if(V_VT(&ln) == VT_I4 && V_VT(&rn) == VT_I4) {
2235 *ret = (V_I4(&ln) < V_I4(&rn)) ^ greater;
2237 DOUBLE ld = num_val(&ln);
2238 DOUBLE rd = num_val(&rn);
2240 *ret = !isnan(ld) && !isnan(rd) && ((ld < rd) ^ greater);
2246 /* ECMA-262 3rd Edition 11.8.1 */
2247 static HRESULT interp_lt(exec_ctx_t *ctx)
2256 TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
2258 hres = less_eval(ctx->parser->script, l, r, FALSE, ctx->ei, &b);
2264 return stack_push_bool(ctx, b);
2267 /* ECMA-262 3rd Edition 11.8.1 */
2268 static HRESULT interp_lteq(exec_ctx_t *ctx)
2277 TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
2279 hres = less_eval(ctx->parser->script, r, l, TRUE, ctx->ei, &b);
2285 return stack_push_bool(ctx, b);
2288 /* ECMA-262 3rd Edition 11.8.2 */
2289 static HRESULT interp_gt(exec_ctx_t *ctx)
2298 TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
2300 hres = less_eval(ctx->parser->script, r, l, FALSE, ctx->ei, &b);
2306 return stack_push_bool(ctx, b);
2309 /* ECMA-262 3rd Edition 11.8.4 */
2310 static HRESULT interp_gteq(exec_ctx_t *ctx)
2319 TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
2321 hres = less_eval(ctx->parser->script, l, r, TRUE, ctx->ei, &b);
2327 return stack_push_bool(ctx, b);
2330 /* ECMA-262 3rd Edition 11.4.8 */
2331 static HRESULT interp_bneg(exec_ctx_t *ctx)
2340 hres = to_int32(ctx->parser->script, v, ctx->ei, &i);
2347 return stack_push(ctx, &r);
2350 /* ECMA-262 3rd Edition 11.4.9 */
2351 static HRESULT interp_neg(exec_ctx_t *ctx)
2360 hres = to_boolean(v, &b);
2365 return stack_push_bool(ctx, !b);
2368 /* ECMA-262 3rd Edition 11.7.1 */
2369 static HRESULT interp_lshift(exec_ctx_t *ctx)
2375 hres = stack_pop_uint(ctx, &r);
2379 hres = stack_pop_int(ctx, &l);
2383 return stack_push_int(ctx, l << (r&0x1f));
2386 /* ECMA-262 3rd Edition 11.7.2 */
2387 static HRESULT interp_rshift(exec_ctx_t *ctx)
2393 hres = stack_pop_uint(ctx, &r);
2397 hres = stack_pop_int(ctx, &l);
2401 return stack_push_int(ctx, l >> (r&0x1f));
2404 /* ECMA-262 3rd Edition 11.7.3 */
2405 static HRESULT interp_rshift2(exec_ctx_t *ctx)
2410 hres = stack_pop_uint(ctx, &r);
2414 hres = stack_pop_uint(ctx, &l);
2418 return stack_push_int(ctx, l >> (r&0x1f));
2421 /* ECMA-262 3rd Edition 11.13.1 */
2422 static HRESULT interp_assign(exec_ctx_t *ctx)
2432 disp = stack_pop_objid(ctx, &id);
2435 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2437 hres = disp_propput(ctx->parser->script, disp, id, v, ctx->ei, NULL/*FIXME*/);
2438 IDispatch_Release(disp);
2444 return stack_push(ctx, v);
2447 static HRESULT interp_undefined(exec_ctx_t *ctx)
2453 V_VT(&v) = VT_EMPTY;
2454 return stack_push(ctx, &v);
2457 static HRESULT interp_jmp(exec_ctx_t *ctx)
2459 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2467 static HRESULT interp_jmp_z(exec_ctx_t *ctx)
2469 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2477 hres = to_boolean(v, &b);
2489 static HRESULT interp_pop(exec_ctx_t *ctx)
2497 static HRESULT interp_ret(exec_ctx_t *ctx)
2505 static HRESULT interp_tree(exec_ctx_t *ctx)
2507 instr_t *instr = ctx->parser->code->instrs+ctx->ip;
2513 hres = instr->arg1.stat->eval(ctx->parser->script, instr->arg1.stat, ctx->rt, &v);
2517 return stack_push(ctx, &v);
2520 typedef HRESULT (*op_func_t)(exec_ctx_t*);
2522 static const op_func_t op_funcs[] = {
2523 #define X(x,a,b,c) interp_##x,
2528 static const unsigned op_move[] = {
2529 #define X(a,x,b,c) x,
2534 static HRESULT unwind_exception(exec_ctx_t *ctx)
2536 except_frame_t *except_frame;
2541 except_frame = ctx->except_frame;
2542 ctx->except_frame = except_frame->next;
2544 assert(except_frame->stack_top <= ctx->top);
2545 stack_popn(ctx, ctx->top - except_frame->stack_top);
2547 while(except_frame->scope != ctx->scope_chain)
2548 scope_pop(&ctx->scope_chain);
2550 ctx->ip = except_frame->catch_off;
2552 assert(ctx->rt->type == RT_NORMAL);
2553 except_val = ctx->rt->ei.var;
2554 memset(&ctx->rt->ei, 0, sizeof(ctx->rt->ei));
2556 ident = except_frame->ident;
2557 heap_free(except_frame);
2560 jsdisp_t *scope_obj;
2562 hres = create_dispex(ctx->parser->script, NULL, NULL, &scope_obj);
2563 if(SUCCEEDED(hres)) {
2564 hres = jsdisp_propput_name(scope_obj, ident, &except_val, &ctx->rt->ei, NULL/*FIXME*/);
2566 jsdisp_release(scope_obj);
2568 VariantClear(&except_val);
2572 hres = scope_push(ctx->scope_chain, scope_obj, &ctx->scope_chain);
2573 jsdisp_release(scope_obj);
2577 hres = stack_push(ctx, &except_val);
2581 hres = stack_push_bool(ctx, FALSE);
2585 V_VT(&v) = VT_EMPTY;
2586 hres = stack_push(ctx, &v);
2592 static HRESULT enter_bytecode(script_ctx_t *ctx, unsigned ip, return_type_t *rt, VARIANT *ret)
2594 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2595 except_frame_t *prev_except_frame;
2596 unsigned prev_ip, prev_top;
2597 scope_chain_t *prev_scope;
2598 return_type_t *prev_rt;
2599 jsexcept_t *prev_ei;
2601 HRESULT hres = S_OK;
2605 prev_rt = exec_ctx->rt;
2606 prev_top = exec_ctx->top;
2607 prev_scope = exec_ctx->scope_chain;
2608 prev_except_frame = exec_ctx->except_frame;
2609 prev_ip = exec_ctx->ip;
2610 prev_ei = exec_ctx->ei;
2613 exec_ctx->ei = &rt->ei;
2614 exec_ctx->except_frame = NULL;
2616 while(exec_ctx->ip != -1 && exec_ctx->rt->type == RT_NORMAL) {
2617 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
2618 hres = op_funcs[op](exec_ctx);
2620 TRACE("EXCEPTION\n");
2622 if(!exec_ctx->except_frame)
2625 hres = unwind_exception(exec_ctx);
2629 exec_ctx->ip += op_move[op];
2633 exec_ctx->rt = prev_rt;
2634 exec_ctx->ip = prev_ip;
2635 exec_ctx->ei = prev_ei;
2636 exec_ctx->except_frame = prev_except_frame;
2638 if(FAILED(hres) || rt->type != RT_NORMAL) {
2639 while(exec_ctx->scope_chain != prev_scope)
2640 scope_pop(&exec_ctx->scope_chain);
2643 stack_popn(exec_ctx, exec_ctx->top-prev_top);
2647 assert(exec_ctx->top == prev_top+1 || exec_ctx->top == prev_top);
2648 assert(exec_ctx->scope_chain == prev_scope);
2650 if(exec_ctx->top == prev_top)
2651 V_VT(ret) = VT_EMPTY;
2653 *ret = *stack_pop(exec_ctx);
2657 static HRESULT expr_eval(script_ctx_t *ctx, expression_t *expr, jsexcept_t *ei, VARIANT *ret)
2659 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2660 unsigned prev_ip, prev_top;
2661 jsexcept_t *prev_ei;
2663 HRESULT hres = S_OK;
2667 if(expr->instr_off == -1) {
2668 hres = compile_subscript(ctx->exec_ctx->parser, expr, &expr->instr_off);
2673 prev_top = exec_ctx->top;
2674 prev_ip = exec_ctx->ip;
2675 prev_ei = exec_ctx->ei;
2676 exec_ctx->ip = expr->instr_off;
2679 while(exec_ctx->ip != -1) {
2680 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
2681 hres = op_funcs[op](exec_ctx);
2684 exec_ctx->ip += op_move[op];
2687 exec_ctx->ip = prev_ip;
2688 exec_ctx->ei = prev_ei;
2691 stack_popn(exec_ctx, exec_ctx->top-prev_top);
2695 assert(exec_ctx->top == prev_top+1);
2697 if(exec_ctx->top == prev_top)
2698 V_VT(ret) = VT_EMPTY;
2700 *ret = *stack_pop(exec_ctx);
2704 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, BOOL from_eval,
2705 jsexcept_t *ei, VARIANT *retv)
2707 script_ctx_t *script = parser->script;
2708 function_declaration_t *func;
2709 parser_ctx_t *prev_parser;
2712 exec_ctx_t *prev_ctx;
2714 HRESULT hres = S_OK;
2716 for(func = source->functions; func; func = func->next) {
2720 hres = create_source_function(parser, func->expr->parameter_list, func->expr->source_elements,
2721 ctx->scope_chain, func->expr->src_str, func->expr->src_len, &func_obj);
2725 var_set_jsdisp(&var, func_obj);
2726 hres = jsdisp_propput_name(ctx->var_disp, func->expr->identifier, &var, ei, NULL);
2727 jsdisp_release(func_obj);
2732 for(var = source->variables; var; var = var->next) {
2736 name = SysAllocString(var->identifier);
2738 return E_OUTOFMEMORY;
2740 if(!ctx->is_global || !lookup_global_members(parser->script, name, NULL))
2741 hres = jsdisp_get_id(ctx->var_disp, var->identifier, fdexNameEnsure, &id);
2742 SysFreeString(name);
2747 prev_ctx = script->exec_ctx;
2748 script->exec_ctx = ctx;
2750 prev_parser = ctx->parser;
2751 ctx->parser = parser;
2753 V_VT(&val) = VT_EMPTY;
2754 memset(&rt, 0, sizeof(rt));
2755 rt.type = RT_NORMAL;
2757 if(source->statement) {
2758 if(source->instr_off == -1)
2759 hres = compile_subscript_stat(ctx->parser, source->statement, &source->instr_off);
2761 hres = enter_bytecode(script, source->instr_off, &rt, &val);
2764 script->exec_ctx = prev_ctx;
2765 ctx->parser = prev_parser;
2767 if(rt.type != RT_NORMAL && rt.type != RT_RETURN) {
2768 FIXME("wrong rt %d\n", rt.type);
2778 if(!retv || (!from_eval && rt.type != RT_RETURN))