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 #define EXPR_NOVAL 0x0001
34 static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',0};
35 static const WCHAR functionW[] = {'f','u','n','c','t','i','o','n',0};
36 static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
37 static const WCHAR objectW[] = {'o','b','j','e','c','t',0};
38 static const WCHAR stringW[] = {'s','t','r','i','n','g',0};
39 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
40 static const WCHAR unknownW[] = {'u','n','k','n','o','w','n',0};
42 struct _return_type_t {
52 static inline HRESULT stat_eval(script_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
54 return stat->eval(ctx, stat, rt, ret);
57 static HRESULT expr_eval(script_ctx_t*,expression_t*,DWORD,jsexcept_t*,VARIANT*);
59 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
61 if(!ctx->stack_size) {
62 ctx->stack = heap_alloc(16*sizeof(VARIANT));
66 }else if(ctx->stack_size == ctx->top) {
69 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(VARIANT));
75 ctx->stack = new_stack;
79 ctx->stack[ctx->top++] = *v;
83 static HRESULT stack_push_bool(exec_ctx_t *ctx, BOOL b)
88 V_BOOL(&v) = b ? VARIANT_TRUE : VARIANT_FALSE;
89 return stack_push(ctx, &v);
92 static inline HRESULT stack_push_number(exec_ctx_t *ctx, double number)
96 num_set_val(&v, number);
97 return stack_push(ctx, &v);
100 static inline HRESULT stack_push_int(exec_ctx_t *ctx, INT n)
106 return stack_push(ctx, &v);
109 static inline HRESULT stack_push_string(exec_ctx_t *ctx, const WCHAR *str)
114 V_BSTR(&v) = SysAllocString(str);
115 return V_BSTR(&v) ? stack_push(ctx, &v) : E_OUTOFMEMORY;
118 static HRESULT stack_push_objid(exec_ctx_t *ctx, IDispatch *disp, DISPID id)
123 V_VT(&v) = VT_DISPATCH;
124 V_DISPATCH(&v) = disp;
125 hres = stack_push(ctx, &v);
131 return stack_push(ctx, &v);
134 static inline VARIANT *stack_top(exec_ctx_t *ctx)
137 return ctx->stack + ctx->top-1;
140 static inline VARIANT *stack_topn(exec_ctx_t *ctx, unsigned n)
142 assert(ctx->top > n);
143 return ctx->stack + ctx->top-1-n;
146 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
149 return ctx->stack + --ctx->top;
152 static void stack_popn(exec_ctx_t *ctx, unsigned n)
155 VariantClear(stack_pop(ctx));
158 static HRESULT stack_pop_number(exec_ctx_t *ctx, VARIANT *r)
164 hres = to_number(ctx->parser->script, v, &ctx->ei, r);
169 static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
175 if(V_VT(v) == VT_DISPATCH) {
177 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
182 hres = to_object(ctx->parser->script, v, r);
187 static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
189 return to_int32(ctx->parser->script, stack_pop(ctx), &ctx->ei, r);
192 static inline HRESULT stack_pop_uint(exec_ctx_t *ctx, DWORD *r)
194 return to_uint32(ctx->parser->script, stack_pop(ctx), &ctx->ei, r);
197 static inline IDispatch *stack_pop_objid(exec_ctx_t *ctx, DISPID *id)
199 assert(V_VT(stack_top(ctx)) == VT_INT && V_VT(stack_topn(ctx, 1)) == VT_DISPATCH);
201 *id = V_INT(stack_pop(ctx));
202 return V_DISPATCH(stack_pop(ctx));
205 static inline IDispatch *stack_topn_objid(exec_ctx_t *ctx, unsigned n, DISPID *id)
207 assert(V_VT(stack_topn(ctx, n)) == VT_INT && V_VT(stack_topn(ctx, n+1)) == VT_DISPATCH);
209 *id = V_INT(stack_topn(ctx, n));
210 return V_DISPATCH(stack_topn(ctx, n+1));
213 static void exprval_release(exprval_t *val)
216 case EXPRVAL_VARIANT:
217 if(V_VT(&val->u.var) != VT_EMPTY)
218 VariantClear(&val->u.var);
221 if(val->u.idref.disp)
222 IDispatch_Release(val->u.idref.disp);
224 case EXPRVAL_INVALID:
225 SysFreeString(val->u.identifier);
229 /* ECMA-262 3rd Edition 8.7.1 */
230 static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
232 V_VT(ret) = VT_EMPTY;
235 case EXPRVAL_VARIANT:
236 return VariantCopy(ret, &val->u.var);
238 if(!val->u.idref.disp) {
239 FIXME("throw ReferenceError\n");
243 return disp_propget(ctx, val->u.idref.disp, val->u.idref.id, ret, ei, NULL/*FIXME*/);
244 case EXPRVAL_INVALID:
245 return throw_type_error(ctx, ei, JS_E_UNDEFINED_VARIABLE, val->u.identifier);
248 ERR("type %d\n", val->type);
252 static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
254 if(val->type == EXPRVAL_VARIANT) {
256 V_VT(&val->u.var) = VT_EMPTY;
260 return exprval_value(ctx, val, ei, ret);
263 static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
265 val->type = EXPRVAL_IDREF;
266 val->u.idref.disp = disp;
267 val->u.idref.id = id;
270 IDispatch_AddRef(disp);
273 HRESULT scope_push(scope_chain_t *scope, jsdisp_t *obj, scope_chain_t **ret)
275 scope_chain_t *new_scope;
277 new_scope = heap_alloc(sizeof(scope_chain_t));
279 return E_OUTOFMEMORY;
284 new_scope->obj = obj;
288 new_scope->next = scope;
290 new_scope->next = NULL;
297 static void scope_pop(scope_chain_t **scope)
306 void scope_release(scope_chain_t *scope)
312 scope_release(scope->next);
314 jsdisp_release(scope->obj);
318 HRESULT create_exec_ctx(script_ctx_t *script_ctx, IDispatch *this_obj, jsdisp_t *var_disp,
319 scope_chain_t *scope, BOOL is_global, exec_ctx_t **ret)
323 ctx = heap_alloc_zero(sizeof(exec_ctx_t));
325 return E_OUTOFMEMORY;
328 ctx->is_global = is_global;
331 ctx->this_obj = this_obj;
332 else if(script_ctx->host_global)
333 ctx->this_obj = script_ctx->host_global;
335 ctx->this_obj = to_disp(script_ctx->global);
336 IDispatch_AddRef(ctx->this_obj);
338 jsdisp_addref(var_disp);
339 ctx->var_disp = var_disp;
343 ctx->scope_chain = scope;
350 void exec_release(exec_ctx_t *ctx)
356 scope_release(ctx->scope_chain);
358 jsdisp_release(ctx->var_disp);
360 IDispatch_Release(ctx->this_obj);
361 heap_free(ctx->stack);
365 static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
370 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
372 TRACE("unsing IDispatch\n");
375 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
379 hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
380 IDispatchEx_Release(dispex);
384 /* ECMA-262 3rd Edition 8.7.2 */
385 static HRESULT put_value(script_ctx_t *ctx, exprval_t *ref, VARIANT *v, jsexcept_t *ei)
387 if(ref->type != EXPRVAL_IDREF)
388 return throw_reference_error(ctx, ei, JS_E_ILLEGAL_ASSIGN, NULL);
390 return disp_propput(ctx, ref->u.idref.disp, ref->u.idref.id, v, ei, NULL/*FIXME*/);
393 static inline BOOL is_null(const VARIANT *v)
395 return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
398 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
400 IObjectIdentity *identity;
401 IUnknown *unk1, *unk2;
409 if(!disp1 || !disp2) {
414 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
418 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
420 IUnknown_Release(unk1);
427 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
428 if(SUCCEEDED(hres)) {
429 hres = IObjectIdentity_IsEqualObject(identity, unk2);
430 IObjectIdentity_Release(identity);
437 IUnknown_Release(unk1);
438 IUnknown_Release(unk2);
442 /* ECMA-262 3rd Edition 11.9.6 */
443 static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
447 if(V_VT(lval) != V_VT(rval)) {
448 if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
449 *ret = num_val(lval) == num_val(rval);
450 else if(is_null(lval))
451 *ret = is_null(rval);
463 *ret = V_I4(lval) == V_I4(rval);
466 *ret = V_R8(lval) == V_R8(rval);
470 *ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
471 else if(!V_BSTR(rval))
472 *ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
474 *ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
477 return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
479 *ret = !V_BOOL(lval) == !V_BOOL(rval);
482 FIXME("unimplemented vt %d\n", V_VT(lval));
489 static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
495 for(item = ctx->named_items; item; item = item->next) {
496 if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
497 hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
498 if(SUCCEEDED(hres)) {
500 exprval_set_idref(ret, item->disp, id);
509 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, BOOL from_eval,
510 jsexcept_t *ei, VARIANT *retv)
512 script_ctx_t *script = parser->script;
513 function_declaration_t *func;
514 parser_ctx_t *prev_parser;
517 exec_ctx_t *prev_ctx;
521 for(func = source->functions; func; func = func->next) {
525 hres = create_source_function(parser, func->expr->parameter_list, func->expr->source_elements,
526 ctx->scope_chain, func->expr->src_str, func->expr->src_len, &func_obj);
530 var_set_jsdisp(&var, func_obj);
531 hres = jsdisp_propput_name(ctx->var_disp, func->expr->identifier, &var, ei, NULL);
532 jsdisp_release(func_obj);
537 for(var = source->variables; var; var = var->next) {
541 name = SysAllocString(var->identifier);
543 return E_OUTOFMEMORY;
545 if(!ctx->is_global || !lookup_global_members(parser->script, name, NULL))
546 hres = jsdisp_get_id(ctx->var_disp, var->identifier, fdexNameEnsure, &id);
552 prev_ctx = script->exec_ctx;
553 script->exec_ctx = ctx;
555 prev_parser = ctx->parser;
556 ctx->parser = parser;
558 V_VT(&val) = VT_EMPTY;
559 memset(&rt, 0, sizeof(rt));
562 if(source->statement) {
563 if(source->statement->instr_off == -1)
564 hres = compile_subscript_stat(ctx->parser, source->statement, TRUE, &source->statement->instr_off);
566 hres = compiled_statement_eval(script, source->statement, &rt, &val);
569 script->exec_ctx = prev_ctx;
570 ctx->parser = prev_parser;
572 if(rt.type != RT_NORMAL && rt.type != RT_RETURN) {
573 FIXME("wrong rt %d\n", rt.type);
583 if(!retv || (!from_eval && rt.type != RT_RETURN))
590 /* ECMA-262 3rd Edition 10.1.4 */
591 static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, DWORD flags, jsexcept_t *ei, exprval_t *ret)
593 scope_chain_t *scope;
598 TRACE("%s\n", debugstr_w(identifier));
600 for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
601 hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
602 if(SUCCEEDED(hres)) {
603 exprval_set_idref(ret, to_disp(scope->obj), id);
608 hres = jsdisp_get_id(ctx->global, identifier, 0, &id);
609 if(SUCCEEDED(hres)) {
610 exprval_set_idref(ret, to_disp(ctx->global), id);
614 for(item = ctx->named_items; item; item = item->next) {
615 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
622 hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier,
623 SCRIPTINFO_IUNKNOWN, &unk, NULL);
625 WARN("GetItemInfo failed: %08x\n", hres);
629 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
630 IUnknown_Release(unk);
632 WARN("object does not implement IDispatch\n");
637 ret->type = EXPRVAL_VARIANT;
638 V_VT(&ret->u.var) = VT_DISPATCH;
639 V_DISPATCH(&ret->u.var) = item->disp;
640 IDispatch_AddRef(item->disp);
645 if(lookup_global_members(ctx, identifier, ret))
648 if(flags & fdexNameEnsure) {
649 hres = jsdisp_get_id(ctx->global, identifier, fdexNameEnsure, &id);
653 exprval_set_idref(ret, to_disp(ctx->global), id);
657 ret->type = EXPRVAL_INVALID;
658 ret->u.identifier = SysAllocString(identifier);
659 if(!ret->u.identifier)
660 return E_OUTOFMEMORY;
665 /* ECMA-262 3rd Edition 12.2 */
666 static HRESULT variable_list_eval(script_ctx_t *ctx, variable_declaration_t *var_list, jsexcept_t *ei)
668 variable_declaration_t *iter;
671 for(iter = var_list; iter; iter = iter->next) {
677 hres = expr_eval(ctx, iter->expr, 0, ei, &val);
681 hres = jsdisp_propput_name(ctx->exec_ctx->var_disp, iter->identifier, &val, ei, NULL/*FIXME*/);
690 /* ECMA-262 3rd Edition 12.2 */
691 HRESULT var_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
693 var_statement_t *stat = (var_statement_t*)_stat;
698 hres = variable_list_eval(ctx, stat->variable_list, &rt->ei);
702 V_VT(ret) = VT_EMPTY;
706 /* ECMA-262 3rd Edition 12.3 */
707 HRESULT empty_statement_eval(script_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
711 V_VT(ret) = VT_EMPTY;
715 /* ECMA-262 3rd Edition 12.4 */
716 HRESULT expression_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
718 expression_statement_t *stat = (expression_statement_t*)_stat;
724 hres = expr_eval(ctx, stat->expr, EXPR_NOVAL, &rt->ei, &val);
729 TRACE("= %s\n", debugstr_variant(ret));
733 /* ECMA-262 3rd Edition 12.5 */
734 HRESULT if_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
736 if_statement_t *stat = (if_statement_t*)_stat;
743 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &v);
747 hres = to_boolean(&v, &b);
753 hres = stat_eval(ctx, stat->if_stat, rt, ret);
754 else if(stat->else_stat)
755 hres = stat_eval(ctx, stat->else_stat, rt, ret);
757 V_VT(ret) = VT_EMPTY;
762 /* ECMA-262 3rd Edition 12.6.2 */
763 HRESULT while_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
765 while_statement_t *stat = (while_statement_t*)_stat;
773 V_VT(&val) = VT_EMPTY;
774 test_expr = !stat->do_while;
778 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &tmp);
782 hres = to_boolean(&tmp, &b);
784 if(FAILED(hres) || !b)
790 hres = stat_eval(ctx, stat->statement, rt, &tmp);
797 if(rt->type == RT_CONTINUE)
798 rt->type = RT_NORMAL;
799 if(rt->type != RT_NORMAL)
808 if(rt->type == RT_BREAK)
809 rt->type = RT_NORMAL;
815 /* ECMA-262 3rd Edition 12.6.3 */
816 HRESULT for_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
818 for_statement_t *stat = (for_statement_t*)_stat;
819 VARIANT val, tmp, retv;
825 if(stat->variable_list) {
826 hres = variable_list_eval(ctx, stat->variable_list, &rt->ei);
829 }else if(stat->begin_expr) {
830 hres = expr_eval(ctx, stat->begin_expr, 0, &rt->ei, &val);
837 V_VT(&retv) = VT_EMPTY;
841 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &tmp);
845 hres = to_boolean(&tmp, &b);
847 if(FAILED(hres) || !b)
851 hres = stat_eval(ctx, stat->statement, rt, &tmp);
858 if(rt->type == RT_CONTINUE)
859 rt->type = RT_NORMAL;
860 else if(rt->type != RT_NORMAL)
864 hres = expr_eval(ctx, stat->end_expr, 0, &rt->ei, &val);
877 if(rt->type == RT_BREAK)
878 rt->type = RT_NORMAL;
884 static HRESULT array_expression_eval(script_ctx_t*,expression_t*,jsexcept_t*,exprval_t*);
885 static HRESULT member_expression_eval(script_ctx_t*,expression_t*,jsexcept_t*,exprval_t*);
886 static HRESULT identifier_expression_eval(script_ctx_t*,expression_t*,jsexcept_t*,exprval_t*);
888 /* ECMA-262 3rd Edition 12.6.4 */
889 HRESULT forin_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
891 forin_statement_t *stat = (forin_statement_t*)_stat;
892 VARIANT val, name, retv, tmp;
893 DISPID id = DISPID_STARTENUM;
894 BSTR str, identifier = NULL;
902 hres = variable_list_eval(ctx, stat->variable, &rt->ei);
907 hres = expr_eval(ctx, stat->in_expr, 0, &rt->ei, &val);
911 if(V_VT(&val) != VT_DISPATCH) {
912 TRACE("in vt %d\n", V_VT(&val));
914 V_VT(ret) = VT_EMPTY;
918 hres = IDispatch_QueryInterface(V_DISPATCH(&val), &IID_IDispatchEx, (void**)&in_obj);
919 IDispatch_Release(V_DISPATCH(&val));
921 TRACE("Object doesn't support IDispatchEx\n");
922 V_VT(ret) = VT_EMPTY;
926 V_VT(&retv) = VT_EMPTY;
929 identifier = SysAllocString(stat->variable->identifier);
932 hres = IDispatchEx_GetNextDispID(in_obj, fdexEnumDefault, id, &id);
933 if(FAILED(hres) || hres == S_FALSE)
936 hres = IDispatchEx_GetMemberName(in_obj, id, &str);
940 TRACE("iter %s\n", debugstr_w(str));
943 hres = identifier_eval(ctx, identifier, 0, NULL, &exprval);
945 switch(stat->expr->type) {
947 hres = array_expression_eval(ctx, stat->expr, &rt->ei, &exprval);
950 hres = identifier_expression_eval(ctx, stat->expr, &rt->ei, &exprval);
953 hres = member_expression_eval(ctx, stat->expr, &rt->ei, &exprval);
956 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &tmp);
961 hres = throw_reference_error(ctx, &rt->ei, JS_E_ILLEGAL_ASSIGN, NULL);
965 if(SUCCEEDED(hres)) {
966 V_VT(&name) = VT_BSTR;
968 hres = put_value(ctx, &exprval, &name, &rt->ei);
969 exprval_release(&exprval);
975 hres = stat_eval(ctx, stat->statement, rt, &tmp);
982 if(rt->type == RT_CONTINUE)
983 rt->type = RT_NORMAL;
984 else if(rt->type != RT_NORMAL)
988 SysFreeString(identifier);
989 IDispatchEx_Release(in_obj);
995 if(rt->type == RT_BREAK)
996 rt->type = RT_NORMAL;
1002 /* ECMA-262 3rd Edition 12.7 */
1003 HRESULT continue_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1005 branch_statement_t *stat = (branch_statement_t*)_stat;
1009 if(stat->identifier) {
1010 FIXME("indentifier not implemented\n");
1014 rt->type = RT_CONTINUE;
1015 V_VT(ret) = VT_EMPTY;
1019 /* ECMA-262 3rd Edition 12.8 */
1020 HRESULT break_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1022 branch_statement_t *stat = (branch_statement_t*)_stat;
1026 if(stat->identifier) {
1027 FIXME("indentifier not implemented\n");
1031 rt->type = RT_BREAK;
1032 V_VT(ret) = VT_EMPTY;
1036 /* ECMA-262 3rd Edition 12.9 */
1037 HRESULT return_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1039 expression_statement_t *stat = (expression_statement_t*)_stat;
1045 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, ret);
1049 V_VT(ret) = VT_EMPTY;
1052 TRACE("= %s\n", debugstr_variant(ret));
1053 rt->type = RT_RETURN;
1057 /* ECMA-262 3rd Edition 12.10 */
1058 HRESULT with_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1060 with_statement_t *stat = (with_statement_t*)_stat;
1068 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &val);
1072 hres = to_object(ctx, &val, &disp);
1077 obj = iface_to_jsdisp((IUnknown*)disp);
1078 IDispatch_Release(disp);
1080 FIXME("disp id not jsdisp\n");
1084 hres = scope_push(ctx->exec_ctx->scope_chain, obj, &ctx->exec_ctx->scope_chain);
1085 jsdisp_release(obj);
1089 hres = stat_eval(ctx, stat->statement, rt, ret);
1091 scope_pop(&ctx->exec_ctx->scope_chain);
1095 /* ECMA-262 3rd Edition 12.12 */
1096 HRESULT labelled_statement_eval(script_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
1102 /* ECMA-262 3rd Edition 12.13 */
1103 HRESULT switch_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1105 switch_statement_t *stat = (switch_statement_t*)_stat;
1106 case_clausule_t *iter, *default_clausule = NULL;
1107 statement_t *stat_iter;
1114 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &val);
1118 for(iter = stat->case_list; iter; iter = iter->next) {
1120 default_clausule = iter;
1124 hres = expr_eval(ctx, iter->expr, 0, &rt->ei, &cval);
1128 hres = equal2_values(&val, &cval, &b);
1129 VariantClear(&cval);
1130 if(FAILED(hres) || b)
1139 iter = default_clausule;
1141 V_VT(&val) = VT_EMPTY;
1145 for(stat_iter = iter->stat; stat_iter; stat_iter = stat_iter->next) {
1146 hres = stat_eval(ctx, stat_iter, rt, &tmp);
1153 if(rt->type != RT_NORMAL)
1163 if(rt->type == RT_BREAK)
1164 rt->type = RT_NORMAL;
1170 /* ECMA-262 3rd Edition 12.13 */
1171 HRESULT throw_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1173 expression_statement_t *stat = (expression_statement_t*)_stat;
1179 hres = expr_eval(ctx, stat->expr, 0, &rt->ei, &val);
1184 return DISP_E_EXCEPTION;
1187 static HRESULT interp_throw(exec_ctx_t *ctx)
1189 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1191 TRACE("%08x\n", arg);
1193 return throw_reference_error(ctx->parser->script, &ctx->ei, arg, NULL);
1196 static HRESULT interp_throw_type(exec_ctx_t *ctx)
1198 const HRESULT hres = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1199 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg2.str;
1201 TRACE("%08x %s\n", hres, debugstr_w(str));
1203 return throw_type_error(ctx->parser->script, &ctx->ei, hres, str);
1206 /* ECMA-262 3rd Edition 12.14 */
1207 static HRESULT catch_eval(script_ctx_t *ctx, catch_block_t *block, return_type_t *rt, VARIANT *ret)
1214 memset(&rt->ei, 0, sizeof(jsexcept_t));
1216 hres = create_dispex(ctx, NULL, NULL, &var_disp);
1217 if(SUCCEEDED(hres)) {
1218 hres = jsdisp_propput_name(var_disp, block->identifier, &ex, &rt->ei, NULL/*FIXME*/);
1219 if(SUCCEEDED(hres)) {
1220 hres = scope_push(ctx->exec_ctx->scope_chain, var_disp, &ctx->exec_ctx->scope_chain);
1221 if(SUCCEEDED(hres)) {
1222 hres = stat_eval(ctx, block->statement, rt, &val);
1223 scope_pop(&ctx->exec_ctx->scope_chain);
1227 jsdisp_release(var_disp);
1238 /* ECMA-262 3rd Edition 12.14 */
1239 HRESULT try_statement_eval(script_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
1241 try_statement_t *stat = (try_statement_t*)_stat;
1247 hres = stat_eval(ctx, stat->try_statement, rt, &val);
1249 TRACE("EXCEPTION\n");
1250 if(!stat->catch_block)
1253 hres = catch_eval(ctx, stat->catch_block, rt, &val);
1258 if(stat->finally_statement) {
1260 hres = stat_eval(ctx, stat->finally_statement, rt, &val);
1269 /* ECMA-262 3rd Edition 13 */
1270 static HRESULT interp_func(exec_ctx_t *ctx)
1272 function_expression_t *expr = ctx->parser->code->instrs[ctx->ip].arg1.func;
1279 hres = create_source_function(ctx->parser, expr->parameter_list, expr->source_elements, ctx->scope_chain,
1280 expr->src_str, expr->src_len, &dispex);
1284 var_set_jsdisp(&v, dispex);
1285 return stack_push(ctx, &v);
1288 /* ECMA-262 3rd Edition 11.2.1 */
1289 static HRESULT array_expression_eval(script_ctx_t *ctx, expression_t *_expr, jsexcept_t *ei, exprval_t *ret)
1291 binary_expression_t *expr = (binary_expression_t*)_expr;
1292 VARIANT member, val;
1295 IDispatch *obj = NULL;
1300 hres = expr_eval(ctx, expr->expression1, 0, ei, &member);
1304 hres = expr_eval(ctx, expr->expression2, 0, ei, &val);
1305 if(SUCCEEDED(hres)) {
1306 hres = to_object(ctx, &member, &obj);
1310 VariantClear(&member);
1311 if(SUCCEEDED(hres)) {
1312 hres = to_string(ctx, &val, ei, &str);
1314 if(SUCCEEDED(hres)) {
1315 hres = disp_get_id(ctx, obj, str, fdexNameEnsure, &id);
1320 exprval_set_idref(ret, obj, id);
1322 IDispatch_Release(obj);
1328 /* ECMA-262 3rd Edition 11.2.1 */
1329 static HRESULT interp_array(exec_ctx_t *ctx)
1339 namev = stack_pop(ctx);
1341 hres = stack_pop_object(ctx, &obj);
1343 VariantClear(namev);
1347 hres = to_string(ctx->parser->script, namev, &ctx->ei, &name);
1348 VariantClear(namev);
1350 IDispatch_Release(obj);
1354 hres = disp_get_id(ctx->parser->script, obj, name, 0, &id);
1355 SysFreeString(name);
1356 if(SUCCEEDED(hres)) {
1357 hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
1358 }else if(hres == DISP_E_UNKNOWNNAME) {
1359 V_VT(&v) = VT_EMPTY;
1362 IDispatch_Release(obj);
1366 return stack_push(ctx, &v);
1369 /* ECMA-262 3rd Edition 11.2.1 */
1370 static HRESULT member_expression_eval(script_ctx_t *ctx, expression_t *_expr, jsexcept_t *ei, exprval_t *ret)
1372 member_expression_t *expr = (member_expression_t*)_expr;
1373 IDispatch *obj = NULL;
1381 hres = expr_eval(ctx, expr->expression, 0, ei, &member);
1385 hres = to_object(ctx, &member, &obj);
1386 VariantClear(&member);
1390 str = SysAllocString(expr->identifier);
1392 IDispatch_Release(obj);
1393 return E_OUTOFMEMORY;
1396 hres = disp_get_id(ctx, obj, str, fdexNameEnsure, &id);
1399 exprval_set_idref(ret, obj, id);
1401 IDispatch_Release(obj);
1405 /* ECMA-262 3rd Edition 11.2.1 */
1406 static HRESULT interp_member(exec_ctx_t *ctx)
1408 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1416 hres = stack_pop_object(ctx, &obj);
1420 hres = disp_get_id(ctx->parser->script, obj, arg, 0, &id);
1421 if(SUCCEEDED(hres)) {
1422 V_VT(&v) = VT_EMPTY;
1423 hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
1424 }else if(hres == DISP_E_UNKNOWNNAME) {
1425 V_VT(&v) = VT_EMPTY;
1428 IDispatch_Release(obj);
1432 return stack_push(ctx, &v);
1435 /* ECMA-262 3rd Edition 11.2.1 */
1436 static HRESULT interp_memberid(exec_ctx_t *ctx)
1438 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1439 VARIANT *objv, *namev;
1447 namev = stack_pop(ctx);
1448 objv = stack_pop(ctx);
1450 hres = to_object(ctx->parser->script, objv, &obj);
1452 if(SUCCEEDED(hres)) {
1453 hres = to_string(ctx->parser->script, namev, &ctx->ei, &name);
1455 IDispatch_Release(obj);
1457 VariantClear(namev);
1461 hres = disp_get_id(ctx->parser->script, obj, name, arg, &id);
1462 SysFreeString(name);
1464 IDispatch_Release(obj);
1465 if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) {
1467 id = JS_E_INVALID_PROPERTY;
1473 return stack_push_objid(ctx, obj, id);
1476 /* ECMA-262 3rd Edition 11.2.1 */
1477 static HRESULT interp_refval(exec_ctx_t *ctx)
1486 disp = stack_topn_objid(ctx, 0, &id);
1488 return throw_reference_error(ctx->parser->script, &ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
1490 hres = disp_propget(ctx->parser->script, disp, id, &v, &ctx->ei, NULL/*FIXME*/);
1494 return stack_push(ctx, &v);
1497 static void jsstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
1502 dp->cArgs = arg_cnt;
1503 dp->rgdispidNamedArgs = NULL;
1506 assert(ctx->top >= arg_cnt);
1508 for(i=1; i*2 <= arg_cnt; i++) {
1509 tmp = ctx->stack[ctx->top-i];
1510 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
1511 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
1514 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
1517 /* ECMA-262 3rd Edition 11.2.2 */
1518 static HRESULT interp_new(exec_ctx_t *ctx)
1520 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1527 constr = stack_topn(ctx, arg);
1529 /* NOTE: Should use to_object here */
1531 if(V_VT(constr) == VT_NULL)
1532 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1533 else if(V_VT(constr) != VT_DISPATCH)
1534 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_ACTION, NULL);
1535 else if(!V_DISPATCH(constr))
1536 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1538 jsstack_to_dp(ctx, arg, &dp);
1539 hres = disp_call(ctx->parser->script, V_DISPATCH(constr), DISPID_VALUE,
1540 DISPATCH_CONSTRUCT, &dp, &v, &ctx->ei, NULL/*FIXME*/);
1544 stack_popn(ctx, arg+1);
1545 return stack_push(ctx, &v);
1548 /* ECMA-262 3rd Edition 11.2.3 */
1549 static HRESULT interp_call(exec_ctx_t *ctx)
1551 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1552 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1557 TRACE("%d %d\n", argn, do_ret);
1559 objv = stack_topn(ctx, argn);
1560 if(V_VT(objv) != VT_DISPATCH)
1561 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1563 jsstack_to_dp(ctx, argn, &dp);
1564 hres = disp_call(ctx->parser->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
1565 do_ret ? &v : NULL, &ctx->ei, NULL/*FIXME*/);
1569 stack_popn(ctx, argn+1);
1570 return do_ret ? stack_push(ctx, &v) : S_OK;
1574 /* ECMA-262 3rd Edition 11.2.3 */
1575 static HRESULT interp_call_member(exec_ctx_t *ctx)
1577 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1578 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1585 TRACE("%d %d\n", argn, do_ret);
1587 obj = stack_topn_objid(ctx, argn, &id);
1589 return throw_type_error(ctx->parser->script, &ctx->ei, id, NULL);
1591 jsstack_to_dp(ctx, argn, &dp);
1592 hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, &ctx->ei, NULL/*FIXME*/);
1596 stack_popn(ctx, argn+2);
1597 return do_ret ? stack_push(ctx, &v) : S_OK;
1601 /* ECMA-262 3rd Edition 11.1.1 */
1602 static HRESULT interp_this(exec_ctx_t *ctx)
1608 V_VT(&v) = VT_DISPATCH;
1609 V_DISPATCH(&v) = ctx->this_obj;
1610 IDispatch_AddRef(ctx->this_obj);
1611 return stack_push(ctx, &v);
1614 /* ECMA-262 3rd Edition 10.1.4 */
1615 static HRESULT identifier_expression_eval(script_ctx_t *ctx, expression_t *_expr, jsexcept_t *ei, exprval_t *ret)
1617 identifier_expression_t *expr = (identifier_expression_t*)_expr;
1623 identifier = SysAllocString(expr->identifier);
1625 return E_OUTOFMEMORY;
1627 hres = identifier_eval(ctx, identifier, fdexNameEnsure, ei, ret);
1629 SysFreeString(identifier);
1633 /* ECMA-262 3rd Edition 10.1.4 */
1634 static HRESULT interp_ident(exec_ctx_t *ctx)
1636 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1641 TRACE("%s\n", debugstr_w(arg));
1643 hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
1647 hres = exprval_to_value(ctx->parser->script, &exprval, &ctx->ei, &v);
1648 exprval_release(&exprval);
1652 return stack_push(ctx, &v);
1655 /* ECMA-262 3rd Edition 10.1.4 */
1656 static HRESULT interp_identid(exec_ctx_t *ctx)
1658 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1659 const unsigned flags = ctx->parser->code->instrs[ctx->ip].arg2.uint;
1663 TRACE("%s %x\n", debugstr_w(arg), flags);
1665 hres = identifier_eval(ctx->parser->script, arg, flags, &ctx->ei, &exprval);
1669 if(exprval.type != EXPRVAL_IDREF) {
1670 WARN("invalid ref\n");
1671 exprval_release(&exprval);
1672 return stack_push_objid(ctx, NULL, JS_E_OBJECT_EXPECTED);
1675 return stack_push_objid(ctx, exprval.u.idref.disp, exprval.u.idref.id);
1678 /* ECMA-262 3rd Edition 7.8.1 */
1679 static HRESULT interp_null(exec_ctx_t *ctx)
1686 return stack_push(ctx, &v);
1689 /* ECMA-262 3rd Edition 7.8.2 */
1690 static HRESULT interp_bool(exec_ctx_t *ctx)
1692 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1694 TRACE("%s\n", arg ? "true" : "false");
1696 return stack_push_bool(ctx, arg);
1699 /* ECMA-262 3rd Edition 7.8.3 */
1700 static HRESULT interp_int(exec_ctx_t *ctx)
1702 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1709 return stack_push(ctx, &v);
1712 /* ECMA-262 3rd Edition 7.8.3 */
1713 static HRESULT interp_double(exec_ctx_t *ctx)
1715 const double arg = *ctx->parser->code->instrs[ctx->ip].arg1.dbl;
1718 TRACE("%lf\n", arg);
1722 return stack_push(ctx, &v);
1725 /* ECMA-262 3rd Edition 7.8.4 */
1726 static HRESULT interp_str(exec_ctx_t *ctx)
1728 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg1.str;
1731 TRACE("%s\n", debugstr_w(str));
1734 V_BSTR(&v) = SysAllocString(str);
1736 return E_OUTOFMEMORY;
1738 return stack_push(ctx, &v);
1741 /* ECMA-262 3rd Edition 7.8 */
1742 static HRESULT interp_regexp(exec_ctx_t *ctx)
1744 const WCHAR *source = ctx->parser->code->instrs[ctx->ip].arg1.str;
1745 const LONG flags = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1750 TRACE("%s %x\n", debugstr_w(source), flags);
1752 hres = create_regexp(ctx->parser->script, source, strlenW(source), flags, ®exp);
1756 var_set_jsdisp(&v, regexp);
1757 return stack_push(ctx, &v);
1760 /* ECMA-262 3rd Edition 11.1.4 */
1761 static HRESULT interp_carray(exec_ctx_t *ctx)
1763 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1771 hres = create_array(ctx->parser->script, arg, &array);
1778 hres = jsdisp_propput_idx(array, i, v, &ctx->ei, NULL/*FIXME*/);
1781 jsdisp_release(array);
1786 var_set_jsdisp(&r, array);
1787 return stack_push(ctx, &r);
1790 /* ECMA-262 3rd Edition 11.1.5 */
1791 HRESULT interp_new_obj(exec_ctx_t *ctx)
1799 hres = create_object(ctx->parser->script, NULL, &obj);
1803 var_set_jsdisp(&v, obj);
1804 return stack_push(ctx, &v);
1807 /* ECMA-262 3rd Edition 11.1.5 */
1808 HRESULT interp_obj_prop(exec_ctx_t *ctx)
1810 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1815 TRACE("%s\n", debugstr_w(name));
1819 assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
1820 obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
1822 hres = jsdisp_propput_name(obj, name, v, &ctx->ei, NULL/*FIXME*/);
1827 /* ECMA-262 3rd Edition 11.11 */
1828 static HRESULT interp_jmp_nz(exec_ctx_t *ctx)
1830 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1836 hres = to_boolean(stack_top(ctx), &b);
1849 /* ECMA-262 3rd Edition 11.11 */
1850 static HRESULT interp_jmp_z(exec_ctx_t *ctx)
1852 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1858 hres = to_boolean(stack_top(ctx), &b);
1871 /* ECMA-262 3rd Edition 11.10 */
1872 static HRESULT interp_or(exec_ctx_t *ctx)
1879 hres = stack_pop_int(ctx, &r);
1883 hres = stack_pop_int(ctx, &l);
1887 return stack_push_int(ctx, l|r);
1890 /* ECMA-262 3rd Edition 11.10 */
1891 static HRESULT interp_xor(exec_ctx_t *ctx)
1898 hres = stack_pop_int(ctx, &r);
1902 hres = stack_pop_int(ctx, &l);
1906 return stack_push_int(ctx, l^r);
1909 /* ECMA-262 3rd Edition 11.10 */
1910 static HRESULT interp_and(exec_ctx_t *ctx)
1917 hres = stack_pop_int(ctx, &r);
1921 hres = stack_pop_int(ctx, &l);
1925 return stack_push_int(ctx, l&r);
1928 /* ECMA-262 3rd Edition 11.8.6 */
1929 static HRESULT interp_instanceof(exec_ctx_t *ctx)
1931 jsdisp_t *obj, *iter, *tmp = NULL;
1936 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1939 if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
1941 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1944 obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1945 IDispatch_Release(V_DISPATCH(v));
1947 FIXME("non-jsdisp objects not supported\n");
1951 if(is_class(obj, JSCLASS_FUNCTION)) {
1952 hres = jsdisp_propget_name(obj, prototypeW, &prot, &ctx->ei, NULL/*FIXME*/);
1954 hres = throw_type_error(ctx->parser->script, &ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1956 jsdisp_release(obj);
1962 if(V_VT(&prot) == VT_DISPATCH) {
1963 if(V_VT(v) == VT_DISPATCH)
1964 tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1965 for(iter = tmp; !ret && iter; iter = iter->prototype) {
1966 hres = disp_cmp(V_DISPATCH(&prot), to_disp(iter), &ret);
1972 jsdisp_release(tmp);
1974 FIXME("prototype is not an object\n");
1978 VariantClear(&prot);
1983 return stack_push_bool(ctx, ret);
1986 /* ECMA-262 3rd Edition 11.8.7 */
1987 static HRESULT interp_in(exec_ctx_t *ctx)
1997 obj = stack_pop(ctx);
2000 if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
2003 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
2006 hres = to_string(ctx->parser->script, v, &ctx->ei, &str);
2009 IDispatch_Release(V_DISPATCH(obj));
2013 hres = disp_get_id(ctx->parser->script, V_DISPATCH(obj), str, 0, &id);
2014 IDispatch_Release(V_DISPATCH(obj));
2018 else if(hres == DISP_E_UNKNOWNNAME)
2023 return stack_push_bool(ctx, ret);
2026 /* ECMA-262 3rd Edition 11.6.1 */
2027 static HRESULT add_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
2032 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2036 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2042 if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
2043 BSTR lstr = NULL, rstr = NULL;
2045 if(V_VT(&l) == VT_BSTR)
2048 hres = to_string(ctx, &l, ei, &lstr);
2050 if(SUCCEEDED(hres)) {
2051 if(V_VT(&r) == VT_BSTR)
2054 hres = to_string(ctx, &r, ei, &rstr);
2057 if(SUCCEEDED(hres)) {
2060 len1 = SysStringLen(lstr);
2061 len2 = SysStringLen(rstr);
2063 V_VT(retv) = VT_BSTR;
2064 V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
2065 memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
2066 memcpy(V_BSTR(retv)+len1, rstr, (len2+1)*sizeof(WCHAR));
2069 if(V_VT(&l) != VT_BSTR)
2070 SysFreeString(lstr);
2071 if(V_VT(&r) != VT_BSTR)
2072 SysFreeString(rstr);
2076 hres = to_number(ctx, &l, ei, &nl);
2077 if(SUCCEEDED(hres)) {
2078 hres = to_number(ctx, &r, ei, &nr);
2080 num_set_val(retv, num_val(&nl) + num_val(&nr));
2089 /* ECMA-262 3rd Edition 11.6.1 */
2090 static HRESULT interp_add(exec_ctx_t *ctx)
2092 VARIANT *l, *r, ret;
2098 TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
2100 hres = add_eval(ctx->parser->script, l, r, &ctx->ei, &ret);
2106 return stack_push(ctx, &ret);
2109 /* ECMA-262 3rd Edition 11.6.2 */
2110 static HRESULT interp_sub(exec_ctx_t *ctx)
2117 hres = stack_pop_number(ctx, &r);
2121 hres = stack_pop_number(ctx, &l);
2125 return stack_push_number(ctx, num_val(&l)-num_val(&r));
2128 /* ECMA-262 3rd Edition 11.5.1 */
2129 static HRESULT interp_mul(exec_ctx_t *ctx)
2136 hres = stack_pop_number(ctx, &r);
2140 hres = stack_pop_number(ctx, &l);
2144 return stack_push_number(ctx, num_val(&l)*num_val(&r));
2147 /* ECMA-262 3rd Edition 11.5.2 */
2148 static HRESULT interp_div(exec_ctx_t *ctx)
2155 hres = stack_pop_number(ctx, &r);
2159 hres = stack_pop_number(ctx, &l);
2163 return stack_push_number(ctx, num_val(&l)/num_val(&r));
2166 /* ECMA-262 3rd Edition 11.5.3 */
2167 static HRESULT interp_mod(exec_ctx_t *ctx)
2174 hres = stack_pop_number(ctx, &r);
2178 hres = stack_pop_number(ctx, &l);
2182 return stack_push_number(ctx, fmod(num_val(&l), num_val(&r)));
2185 /* ECMA-262 3rd Edition 11.4.2 */
2186 static HRESULT interp_delete(exec_ctx_t *ctx)
2188 VARIANT *obj_var, *name_var;
2189 IDispatchEx *dispex;
2197 name_var = stack_pop(ctx);
2198 obj_var = stack_pop(ctx);
2200 hres = to_object(ctx->parser->script, obj_var, &obj);
2201 VariantClear(obj_var);
2203 VariantClear(name_var);
2207 hres = to_string(ctx->parser->script, name_var, &ctx->ei, &name);
2208 VariantClear(name_var);
2210 IDispatch_Release(obj);
2214 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
2215 if(SUCCEEDED(hres)) {
2216 hres = IDispatchEx_DeleteMemberByName(dispex, name, make_grfdex(ctx->parser->script, fdexNameCaseSensitive));
2218 IDispatchEx_Release(dispex);
2224 IDispatch_Release(obj);
2225 SysFreeString(name);
2229 return stack_push_bool(ctx, ret);
2232 /* ECMA-262 3rd Edition 11.4.2 */
2233 static HRESULT interp_delete_ident(exec_ctx_t *ctx)
2235 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
2236 IDispatchEx *dispex;
2241 TRACE("%s\n", debugstr_w(arg));
2243 hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
2247 if(exprval.type != EXPRVAL_IDREF) {
2248 FIXME("Unsupported exprval\n");
2249 exprval_release(&exprval);
2253 hres = IDispatch_QueryInterface(exprval.u.idref.disp, &IID_IDispatchEx, (void**)&dispex);
2254 IDispatch_Release(exprval.u.idref.disp);
2255 if(SUCCEEDED(hres)) {
2256 hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
2257 IDispatchEx_Release(dispex);
2264 return stack_push_bool(ctx, ret);
2267 /* ECMA-262 3rd Edition 11.4.2 */
2268 static HRESULT interp_void(exec_ctx_t *ctx)
2276 V_VT(&v) = VT_EMPTY;
2277 return stack_push(ctx, &v);
2280 /* ECMA-262 3rd Edition 11.4.3 */
2281 static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
2303 if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
2304 *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
2305 jsdisp_release(dispex);
2312 FIXME("unhandled vt %d\n", V_VT(v));
2319 /* ECMA-262 3rd Edition 11.4.3 */
2320 static HRESULT interp_typeofid(exec_ctx_t *ctx)
2328 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
2332 obj = stack_pop_objid(ctx, &id);
2334 return stack_push_string(ctx, undefinedW);
2336 V_VT(&v) = VT_EMPTY;
2337 hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
2338 IDispatch_Release(obj);
2340 return stack_push_string(ctx, unknownW);
2342 hres = typeof_string(&v, &ret);
2347 return stack_push_string(ctx, ret);
2350 /* ECMA-262 3rd Edition 11.4.3 */
2351 static HRESULT interp_typeofident(exec_ctx_t *ctx)
2353 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
2359 TRACE("%s\n", debugstr_w(arg));
2361 hres = identifier_eval(ctx->parser->script, arg, 0, &ctx->ei, &exprval);
2365 if(exprval.type == EXPRVAL_INVALID) {
2366 hres = stack_push_string(ctx, undefinedW);
2367 exprval_release(&exprval);
2371 hres = exprval_to_value(ctx->parser->script, &exprval, &ctx->ei, &v);
2372 exprval_release(&exprval);
2376 hres = typeof_string(&v, &ret);
2381 return stack_push_string(ctx, ret);
2384 /* ECMA-262 3rd Edition 11.4.3 */
2385 static HRESULT interp_typeof(exec_ctx_t *ctx)
2394 hres = typeof_string(v, &ret);
2399 return stack_push_string(ctx, ret);
2402 /* ECMA-262 3rd Edition 11.4.7 */
2403 static HRESULT interp_minus(exec_ctx_t *ctx)
2410 hres = stack_pop_number(ctx, &n);
2414 return stack_push_number(ctx, -num_val(&n));
2417 /* ECMA-262 3rd Edition 11.4.6 */
2418 static HRESULT interp_tonum(exec_ctx_t *ctx)
2426 hres = to_number(ctx->parser->script, v, &ctx->ei, &num);
2431 return stack_push(ctx, &num);
2434 /* ECMA-262 3rd Edition 11.3.1 */
2435 static HRESULT interp_postinc(exec_ctx_t *ctx)
2437 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
2445 obj = stack_pop_objid(ctx, &id);
2447 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
2449 hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
2450 if(SUCCEEDED(hres)) {
2453 hres = to_number(ctx->parser->script, &v, &ctx->ei, &n);
2454 if(SUCCEEDED(hres)) {
2455 num_set_val(&inc, num_val(&n)+(double)arg);
2456 hres = disp_propput(ctx->parser->script, obj, id, &inc, &ctx->ei, NULL/*FIXME*/);
2461 IDispatch_Release(obj);
2465 return stack_push(ctx, &v);
2468 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
2469 static HRESULT interp_preinc(exec_ctx_t *ctx)
2471 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
2479 obj = stack_pop_objid(ctx, &id);
2481 return throw_type_error(ctx->parser->script, &ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
2483 hres = disp_propget(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
2484 if(SUCCEEDED(hres)) {
2487 hres = to_number(ctx->parser->script, &v, &ctx->ei, &n);
2489 if(SUCCEEDED(hres)) {
2490 num_set_val(&v, num_val(&n)+(double)arg);
2491 hres = disp_propput(ctx->parser->script, obj, id, &v, &ctx->ei, NULL/*FIXME*/);
2494 IDispatch_Release(obj);
2498 return stack_push(ctx, &v);
2501 /* ECMA-262 3rd Edition 11.9.3 */
2502 static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
2504 if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
2505 return equal2_values(lval, rval, ret);
2507 /* FIXME: NULL disps should be handled in more general way */
2508 if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
2511 return equal_values(ctx, &v, rval, ei, ret);
2514 if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
2517 return equal_values(ctx, lval, &v, ei, ret);
2520 if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
2521 (V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
2526 if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
2530 hres = to_number(ctx, lval, ei, &v);
2534 return equal_values(ctx, &v, rval, ei, ret);
2537 if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
2541 hres = to_number(ctx, rval, ei, &v);
2545 return equal_values(ctx, lval, &v, ei, ret);
2548 if(V_VT(rval) == VT_BOOL) {
2552 V_I4(&v) = V_BOOL(rval) ? 1 : 0;
2553 return equal_values(ctx, lval, &v, ei, ret);
2556 if(V_VT(lval) == VT_BOOL) {
2560 V_I4(&v) = V_BOOL(lval) ? 1 : 0;
2561 return equal_values(ctx, &v, rval, ei, ret);
2565 if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
2569 hres = to_primitive(ctx, rval, ei, &v, NO_HINT);
2573 hres = equal_values(ctx, lval, &v, ei, ret);
2580 if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
2584 hres = to_primitive(ctx, lval, ei, &v, NO_HINT);
2588 hres = equal_values(ctx, &v, rval, ei, ret);
2599 /* ECMA-262 3rd Edition 11.9.1 */
2600 static HRESULT interp_eq(exec_ctx_t *ctx)
2609 TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
2611 hres = equal_values(ctx->parser->script, l, r, &ctx->ei, &b);
2617 return stack_push_bool(ctx, b);
2620 /* ECMA-262 3rd Edition 11.9.2 */
2621 static HRESULT interp_neq(exec_ctx_t *ctx)
2630 TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
2632 hres = equal_values(ctx->parser->script, l, r, &ctx->ei, &b);
2638 return stack_push_bool(ctx, !b);
2641 /* ECMA-262 3rd Edition 11.9.4 */
2642 static HRESULT interp_eq2(exec_ctx_t *ctx)
2653 hres = equal2_values(r, l, &b);
2659 return stack_push_bool(ctx, b);
2662 /* ECMA-262 3rd Edition 11.9.5 */
2663 static HRESULT interp_neq2(exec_ctx_t *ctx)
2674 hres = equal2_values(r, l, &b);
2680 return stack_push_bool(ctx, !b);
2683 /* ECMA-262 3rd Edition 11.8.5 */
2684 static HRESULT less_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
2686 VARIANT l, r, ln, rn;
2689 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2693 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2699 if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
2700 *ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
2701 SysFreeString(V_BSTR(&l));
2702 SysFreeString(V_BSTR(&r));
2706 hres = to_number(ctx, &l, ei, &ln);
2709 hres = to_number(ctx, &r, ei, &rn);
2714 if(V_VT(&ln) == VT_I4 && V_VT(&rn) == VT_I4) {
2715 *ret = (V_I4(&ln) < V_I4(&rn)) ^ greater;
2717 DOUBLE ld = num_val(&ln);
2718 DOUBLE rd = num_val(&rn);
2720 *ret = !isnan(ld) && !isnan(rd) && ((ld < rd) ^ greater);
2726 /* ECMA-262 3rd Edition 11.8.1 */
2727 static HRESULT interp_lt(exec_ctx_t *ctx)
2736 TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
2738 hres = less_eval(ctx->parser->script, l, r, FALSE, &ctx->ei, &b);
2744 return stack_push_bool(ctx, b);
2747 /* ECMA-262 3rd Edition 11.8.1 */
2748 static HRESULT interp_lteq(exec_ctx_t *ctx)
2757 TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
2759 hres = less_eval(ctx->parser->script, r, l, TRUE, &ctx->ei, &b);
2765 return stack_push_bool(ctx, b);
2768 /* ECMA-262 3rd Edition 11.8.2 */
2769 static HRESULT interp_gt(exec_ctx_t *ctx)
2778 TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
2780 hres = less_eval(ctx->parser->script, r, l, FALSE, &ctx->ei, &b);
2786 return stack_push_bool(ctx, b);
2789 /* ECMA-262 3rd Edition 11.8.4 */
2790 static HRESULT interp_gteq(exec_ctx_t *ctx)
2799 TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
2801 hres = less_eval(ctx->parser->script, l, r, TRUE, &ctx->ei, &b);
2807 return stack_push_bool(ctx, b);
2810 /* ECMA-262 3rd Edition 11.4.8 */
2811 static HRESULT interp_bneg(exec_ctx_t *ctx)
2820 hres = to_int32(ctx->parser->script, v, &ctx->ei, &i);
2827 return stack_push(ctx, &r);
2830 /* ECMA-262 3rd Edition 11.4.9 */
2831 static HRESULT interp_neg(exec_ctx_t *ctx)
2840 hres = to_boolean(v, &b);
2845 return stack_push_bool(ctx, !b);
2848 /* ECMA-262 3rd Edition 11.7.1 */
2849 static HRESULT interp_lshift(exec_ctx_t *ctx)
2855 hres = stack_pop_uint(ctx, &r);
2859 hres = stack_pop_int(ctx, &l);
2863 return stack_push_int(ctx, l << (r&0x1f));
2866 /* ECMA-262 3rd Edition 11.7.2 */
2867 static HRESULT interp_rshift(exec_ctx_t *ctx)
2873 hres = stack_pop_uint(ctx, &r);
2877 hres = stack_pop_int(ctx, &l);
2881 return stack_push_int(ctx, l >> (r&0x1f));
2884 /* ECMA-262 3rd Edition 11.7.3 */
2885 static HRESULT interp_rshift2(exec_ctx_t *ctx)
2890 hres = stack_pop_uint(ctx, &r);
2894 hres = stack_pop_uint(ctx, &l);
2898 return stack_push_int(ctx, l >> (r&0x1f));
2901 /* ECMA-262 3rd Edition 11.13.1 */
2902 static HRESULT interp_assign(exec_ctx_t *ctx)
2912 disp = stack_pop_objid(ctx, &id);
2915 return throw_reference_error(ctx->parser->script, &ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2917 hres = disp_propput(ctx->parser->script, disp, id, v, &ctx->ei, NULL/*FIXME*/);
2918 IDispatch_Release(disp);
2924 return stack_push(ctx, v);
2927 static HRESULT interp_undefined(exec_ctx_t *ctx)
2933 V_VT(&v) = VT_EMPTY;
2934 return stack_push(ctx, &v);
2937 static HRESULT interp_jmp(exec_ctx_t *ctx)
2939 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2947 static HRESULT interp_pop(exec_ctx_t *ctx)
2955 static HRESULT interp_ret(exec_ctx_t *ctx)
2963 static HRESULT interp_tree(exec_ctx_t *ctx)
2965 instr_t *instr = ctx->parser->code->instrs+ctx->ip;
2971 hres = stat_eval(ctx->parser->script, instr->arg1.stat, ctx->rt, &v);
2975 return stack_push(ctx, &v);
2978 typedef HRESULT (*op_func_t)(exec_ctx_t*);
2980 static const op_func_t op_funcs[] = {
2981 #define X(x,a,b,c) interp_##x,
2986 static const unsigned op_move[] = {
2987 #define X(a,x,b,c) x,
2992 HRESULT compiled_statement_eval(script_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
2994 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2995 unsigned prev_ip, prev_top;
2996 return_type_t *prev_rt;
2998 HRESULT hres = S_OK;
3002 if(stat->instr_off == -1) {
3003 hres = compile_subscript_stat(exec_ctx->parser, stat, FALSE, &stat->instr_off);
3008 prev_rt = exec_ctx->rt;
3009 prev_top = exec_ctx->top;
3010 prev_ip = exec_ctx->ip;
3011 exec_ctx->ip = stat->instr_off;
3014 while(exec_ctx->ip != -1 && exec_ctx->rt->type == RT_NORMAL) {
3015 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
3016 hres = op_funcs[op](exec_ctx);
3019 exec_ctx->ip += op_move[op];
3022 exec_ctx->rt = prev_rt;
3023 exec_ctx->ip = prev_ip;
3026 stack_popn(exec_ctx, exec_ctx->top-prev_top);
3030 assert(exec_ctx->top == prev_top+1 || exec_ctx->top == prev_top);
3032 if(exec_ctx->top == prev_top)
3033 V_VT(ret) = VT_EMPTY;
3035 *ret = *stack_pop(exec_ctx);
3039 static HRESULT expr_eval(script_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, VARIANT *ret)
3041 exec_ctx_t *exec_ctx = ctx->exec_ctx;
3042 unsigned prev_ip, prev_top;
3044 HRESULT hres = S_OK;
3048 if(expr->instr_off == -1) {
3049 hres = compile_subscript(ctx->exec_ctx->parser, expr, !(flags & EXPR_NOVAL), &expr->instr_off);
3054 prev_top = exec_ctx->top;
3055 prev_ip = exec_ctx->ip;
3056 exec_ctx->ip = expr->instr_off;
3058 while(exec_ctx->ip != -1) {
3059 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
3060 hres = op_funcs[op](exec_ctx);
3063 exec_ctx->ip += op_move[op];
3066 exec_ctx->ip = prev_ip;
3069 stack_popn(exec_ctx, exec_ctx->top-prev_top);
3071 memset(&exec_ctx->ei, 0, sizeof(exec_ctx->ei));
3075 assert(exec_ctx->top == prev_top+1 || ((flags&EXPR_NOVAL) && exec_ctx->top == prev_top));
3077 if(exec_ctx->top == prev_top)
3078 V_VT(ret) = VT_EMPTY;
3080 *ret = *stack_pop(exec_ctx);