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
22 #include "wine/debug.h"
24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
26 #define EXPR_NOVAL 0x0001
27 #define EXPR_NEWREF 0x0002
28 #define EXPR_STRREF 0x0004
30 static inline HRESULT stat_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
32 return stat->eval(ctx, stat, rt, ret);
35 static inline HRESULT expr_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
37 return _expr->eval(ctx, _expr, flags, ei, ret);
40 static void exprval_release(exprval_t *val)
44 VariantClear(&val->u.var);
48 IDispatch_Release(val->u.idref.disp);
51 if(val->u.nameref.disp)
52 IDispatch_Release(val->u.nameref.disp);
53 SysFreeString(val->u.nameref.name);
57 /* ECMA-262 3rd Edition 8.7.1 */
58 static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
64 return VariantCopy(ret, &val->u.var);
66 if(!val->u.idref.disp) {
67 FIXME("throw ReferenceError\n");
71 return disp_propget(val->u.idref.disp, val->u.idref.id, ctx->lcid, ret, ei, NULL/*FIXME*/);
73 ERR("type %d\n", val->type);
78 static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
80 if(val->type == EXPRVAL_VARIANT) {
82 V_VT(&val->u.var) = VT_EMPTY;
86 return exprval_value(ctx, val, ei, ret);
89 static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
91 val->type = EXPRVAL_IDREF;
92 val->u.idref.disp = disp;
96 IDispatch_AddRef(disp);
99 void scope_release(scope_chain_t *scope)
105 scope_release(scope->next);
107 IDispatchEx_Release(_IDispatchEx_(scope->obj));
111 HRESULT create_exec_ctx(DispatchEx *var_disp, scope_chain_t *scope, exec_ctx_t **ret)
115 ctx = heap_alloc_zero(sizeof(exec_ctx_t));
117 return E_OUTOFMEMORY;
119 IDispatchEx_AddRef(_IDispatchEx_(var_disp));
120 ctx->var_disp = var_disp;
124 ctx->scope_chain = scope;
131 void exec_release(exec_ctx_t *ctx)
137 scope_release(ctx->scope_chain);
139 IDispatchEx_Release(_IDispatchEx_(ctx->var_disp));
143 static HRESULT dispex_get_id(IDispatchEx *dispex, BSTR name, DWORD flags, DISPID *id)
147 return IDispatchEx_GetDispID(dispex, name, flags|fdexNameCaseSensitive, id);
150 static HRESULT disp_get_id(IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
155 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
157 TRACE("unsing IDispatch\n");
160 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
163 hres = dispex_get_id(dispex, name, flags, id);
164 IDispatchEx_Release(dispex);
168 /* ECMA-262 3rd Edition 8.7.2 */
169 static HRESULT put_value(script_ctx_t *ctx, exprval_t *ref, VARIANT *v, jsexcept_t *ei)
171 if(ref->type != EXPRVAL_IDREF) {
172 FIXME("throw ReferemceError\n");
176 return disp_propput(ref->u.idref.disp, ref->u.idref.id, ctx->lcid, v, ei, NULL/*FIXME*/);
179 static HRESULT literal_to_var(literal_t *literal, VARIANT *v)
181 V_VT(v) = literal->vt;
188 V_I4(v) = literal->u.lval;
191 V_R8(v) = literal->u.dval;
194 V_BSTR(v) = SysAllocString(literal->u.wstr);
197 V_BOOL(v) = literal->u.bval;
200 IDispatch_AddRef(literal->u.disp);
201 V_DISPATCH(v) = literal->u.disp;
204 ERR("wrong type %d\n", V_VT(v));
211 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, jsexcept_t *ei, VARIANT *retv)
213 script_ctx_t *script = parser->script;
214 parser_ctx_t *prev_parser;
217 exec_ctx_t *prev_ctx;
221 prev_ctx = script->exec_ctx;
222 script->exec_ctx = ctx;
224 prev_parser = ctx->parser;
225 ctx->parser = parser;
227 V_VT(&val) = VT_EMPTY;
228 memset(&rt, 0, sizeof(rt));
231 for(stat = source->statement; stat; stat = stat->next) {
232 hres = stat_eval(ctx, stat, &rt, &tmp);
238 if(rt.type != RT_NORMAL)
242 script->exec_ctx = prev_ctx;
243 ctx->parser = prev_parser;
245 if(rt.type != RT_NORMAL && rt.type != RT_RETURN) {
246 FIXME("wrong rt %d\n", rt.type);
263 /* ECMA-262 3rd Edition 10.1.4 */
264 static HRESULT identifier_eval(exec_ctx_t *ctx, BSTR identifier, DWORD flags, exprval_t *ret)
266 scope_chain_t *scope;
271 TRACE("%s\n", debugstr_w(identifier));
273 for(scope = ctx->scope_chain; scope; scope = scope->next) {
274 hres = dispex_get_id(_IDispatchEx_(scope->obj), identifier, 0, &id);
280 exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(scope->obj), id);
284 hres = dispex_get_id(_IDispatchEx_(ctx->parser->script->global), identifier, 0, &id);
285 if(SUCCEEDED(hres)) {
286 exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(ctx->parser->script->global), id);
290 for(item = ctx->parser->script->named_items; item; item = item->next) {
291 hres = disp_get_id(item->disp, identifier, 0, &id);
297 exprval_set_idref(ret, (IDispatch*)item->disp, id);
301 hres = dispex_get_id(_IDispatchEx_(ctx->parser->script->script_disp), identifier, 0, &id);
302 if(SUCCEEDED(hres)) {
303 exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(ctx->parser->script->script_disp), id);
307 if(flags & EXPR_NEWREF) {
308 hres = dispex_get_id(_IDispatchEx_(ctx->var_disp), identifier, fdexNameEnsure, &id);
312 exprval_set_idref(ret, (IDispatch*)_IDispatchEx_(ctx->var_disp), id);
316 WARN("Could not find identifier %s\n", debugstr_w(identifier));
320 HRESULT block_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
326 HRESULT var_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
332 /* ECMA-262 3rd Edition 12.3 */
333 HRESULT empty_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
337 V_VT(ret) = VT_EMPTY;
341 /* ECMA-262 3rd Edition 12.4 */
342 HRESULT expression_statement_eval(exec_ctx_t *ctx, statement_t *_stat, return_type_t *rt, VARIANT *ret)
344 expression_statement_t *stat = (expression_statement_t*)_stat;
351 hres = expr_eval(ctx, stat->expr, EXPR_NOVAL, &rt->ei, &exprval);
355 hres = exprval_to_value(ctx->parser->script, &exprval, &rt->ei, &val);
356 exprval_release(&exprval);
361 TRACE("= %s\n", debugstr_variant(ret));
365 HRESULT if_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
371 HRESULT dowhile_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
377 HRESULT while_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
383 HRESULT for_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
389 HRESULT forin_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
395 HRESULT continue_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
401 HRESULT break_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
407 HRESULT return_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
413 HRESULT with_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
419 HRESULT labelled_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
425 HRESULT switch_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
431 HRESULT throw_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
437 HRESULT try_statement_eval(exec_ctx_t *ctx, statement_t *stat, return_type_t *rt, VARIANT *ret)
443 HRESULT function_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
449 HRESULT conditional_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
455 HRESULT array_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
461 HRESULT member_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
467 HRESULT member_new_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
473 HRESULT call_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
479 HRESULT this_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
485 /* ECMA-262 3rd Edition 10.1.4 */
486 HRESULT identifier_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
488 identifier_expression_t *expr = (identifier_expression_t*)_expr;
494 identifier = SysAllocString(expr->identifier);
496 return E_OUTOFMEMORY;
498 hres = identifier_eval(ctx, identifier, flags, ret);
500 SysFreeString(identifier);
504 /* ECMA-262 3rd Edition 7.8 */
505 HRESULT literal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
507 literal_expression_t *expr = (literal_expression_t*)_expr;
513 hres = literal_to_var(expr->literal, &var);
517 ret->type = EXPRVAL_VARIANT;
522 HRESULT array_literal_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
528 HRESULT property_value_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
534 HRESULT comma_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
540 HRESULT logical_or_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
546 HRESULT logical_and_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
552 HRESULT binary_or_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
558 HRESULT binary_xor_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
564 HRESULT binary_and_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
570 HRESULT instanceof_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
576 HRESULT in_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
582 HRESULT add_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
588 HRESULT sub_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
594 HRESULT mul_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
600 HRESULT div_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
606 HRESULT mod_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
612 HRESULT delete_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
618 HRESULT void_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
624 HRESULT typeof_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
630 HRESULT minus_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
636 HRESULT plus_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
642 HRESULT post_increment_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
648 HRESULT post_decrement_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
654 HRESULT pre_increment_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
660 HRESULT pre_decrement_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
666 HRESULT new_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
672 HRESULT equal_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
678 HRESULT equal2_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
684 HRESULT not_equal_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
691 HRESULT not_equal2_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
697 HRESULT less_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
703 HRESULT lesseq_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
709 HRESULT greater_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
715 HRESULT greatereq_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
721 HRESULT binary_negation_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
727 HRESULT logical_negation_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
733 HRESULT left_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
739 HRESULT right_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
745 HRESULT right2_shift_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
751 /* ECMA-262 3rd Edition 11.13.1 */
752 HRESULT assign_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
754 binary_expression_t *expr = (binary_expression_t*)_expr;
755 exprval_t exprval, exprvalr;
761 hres = expr_eval(ctx, expr->expression1, EXPR_NEWREF, ei, &exprval);
765 hres = expr_eval(ctx, expr->expression2, 0, ei, &exprvalr);
766 if(SUCCEEDED(hres)) {
767 hres = exprval_to_value(ctx->parser->script, &exprvalr, ei, &rval);
768 exprval_release(&exprvalr);
772 hres = put_value(ctx->parser->script, &exprval, &rval, ei);
774 exprval_release(&exprval);
780 ret->type = EXPRVAL_VARIANT;
785 HRESULT assign_lshift_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
791 HRESULT assign_rshift_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
797 HRESULT assign_rrshift_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
803 HRESULT assign_add_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
809 HRESULT assign_sub_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
815 HRESULT assign_mul_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
821 HRESULT assign_div_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
827 HRESULT assign_mod_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
833 HRESULT assign_and_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
839 HRESULT assign_or_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
845 HRESULT assign_xor_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)