OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/api.h" | 7 #include "src/api.h" |
8 #include "src/ast.h" | 8 #include "src/ast.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
(...skipping 859 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
870 set_allow_natives(FLAG_allow_natives_syntax || info->is_native()); | 870 set_allow_natives(FLAG_allow_natives_syntax || info->is_native()); |
871 set_allow_harmony_modules(!info->is_native() && FLAG_harmony_modules); | 871 set_allow_harmony_modules(!info->is_native() && FLAG_harmony_modules); |
872 set_allow_harmony_arrow_functions(FLAG_harmony_arrow_functions); | 872 set_allow_harmony_arrow_functions(FLAG_harmony_arrow_functions); |
873 set_allow_harmony_classes(FLAG_harmony_classes); | 873 set_allow_harmony_classes(FLAG_harmony_classes); |
874 set_allow_harmony_object_literals(FLAG_harmony_object_literals); | 874 set_allow_harmony_object_literals(FLAG_harmony_object_literals); |
875 set_allow_harmony_sloppy(FLAG_harmony_sloppy); | 875 set_allow_harmony_sloppy(FLAG_harmony_sloppy); |
876 set_allow_harmony_unicode(FLAG_harmony_unicode); | 876 set_allow_harmony_unicode(FLAG_harmony_unicode); |
877 set_allow_harmony_computed_property_names( | 877 set_allow_harmony_computed_property_names( |
878 FLAG_harmony_computed_property_names); | 878 FLAG_harmony_computed_property_names); |
879 set_allow_harmony_rest_params(FLAG_harmony_rest_parameters); | 879 set_allow_harmony_rest_params(FLAG_harmony_rest_parameters); |
| 880 set_allow_harmony_spreadcalls(FLAG_harmony_spreadcalls); |
880 set_allow_strong_mode(FLAG_strong_mode); | 881 set_allow_strong_mode(FLAG_strong_mode); |
881 for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount; | 882 for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount; |
882 ++feature) { | 883 ++feature) { |
883 use_counts_[feature] = 0; | 884 use_counts_[feature] = 0; |
884 } | 885 } |
885 if (info->ast_value_factory() == NULL) { | 886 if (info->ast_value_factory() == NULL) { |
886 // info takes ownership of AstValueFactory. | 887 // info takes ownership of AstValueFactory. |
887 info->set_ast_value_factory(new AstValueFactory(zone(), info->hash_seed())); | 888 info->set_ast_value_factory(new AstValueFactory(zone(), info->hash_seed())); |
888 info->set_ast_value_factory_owned(); | 889 info->set_ast_value_factory_owned(); |
889 ast_value_factory_ = info->ast_value_factory(); | 890 ast_value_factory_ = info->ast_value_factory(); |
(...skipping 3334 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4224 allow_harmony_arrow_functions()); | 4225 allow_harmony_arrow_functions()); |
4225 reusable_preparser_->set_allow_harmony_classes(allow_harmony_classes()); | 4226 reusable_preparser_->set_allow_harmony_classes(allow_harmony_classes()); |
4226 reusable_preparser_->set_allow_harmony_object_literals( | 4227 reusable_preparser_->set_allow_harmony_object_literals( |
4227 allow_harmony_object_literals()); | 4228 allow_harmony_object_literals()); |
4228 reusable_preparser_->set_allow_harmony_sloppy(allow_harmony_sloppy()); | 4229 reusable_preparser_->set_allow_harmony_sloppy(allow_harmony_sloppy()); |
4229 reusable_preparser_->set_allow_harmony_unicode(allow_harmony_unicode()); | 4230 reusable_preparser_->set_allow_harmony_unicode(allow_harmony_unicode()); |
4230 reusable_preparser_->set_allow_harmony_computed_property_names( | 4231 reusable_preparser_->set_allow_harmony_computed_property_names( |
4231 allow_harmony_computed_property_names()); | 4232 allow_harmony_computed_property_names()); |
4232 reusable_preparser_->set_allow_harmony_rest_params( | 4233 reusable_preparser_->set_allow_harmony_rest_params( |
4233 allow_harmony_rest_params()); | 4234 allow_harmony_rest_params()); |
| 4235 reusable_preparser_->set_allow_harmony_spreadcalls( |
| 4236 allow_harmony_spreadcalls()); |
4234 reusable_preparser_->set_allow_strong_mode(allow_strong_mode()); | 4237 reusable_preparser_->set_allow_strong_mode(allow_strong_mode()); |
4235 } | 4238 } |
4236 PreParser::PreParseResult result = reusable_preparser_->PreParseLazyFunction( | 4239 PreParser::PreParseResult result = reusable_preparser_->PreParseLazyFunction( |
4237 language_mode(), function_state_->kind(), logger); | 4240 language_mode(), function_state_->kind(), logger); |
4238 if (pre_parse_timer_ != NULL) { | 4241 if (pre_parse_timer_ != NULL) { |
4239 pre_parse_timer_->Stop(); | 4242 pre_parse_timer_->Stop(); |
4240 } | 4243 } |
4241 return result; | 4244 return result; |
4242 } | 4245 } |
4243 | 4246 |
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4342 | 4345 |
4343 | 4346 |
4344 Expression* Parser::ParseV8Intrinsic(bool* ok) { | 4347 Expression* Parser::ParseV8Intrinsic(bool* ok) { |
4345 // CallRuntime :: | 4348 // CallRuntime :: |
4346 // '%' Identifier Arguments | 4349 // '%' Identifier Arguments |
4347 | 4350 |
4348 int pos = peek_position(); | 4351 int pos = peek_position(); |
4349 Expect(Token::MOD, CHECK_OK); | 4352 Expect(Token::MOD, CHECK_OK); |
4350 // Allow "eval" or "arguments" for backward compatibility. | 4353 // Allow "eval" or "arguments" for backward compatibility. |
4351 const AstRawString* name = ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); | 4354 const AstRawString* name = ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); |
4352 ZoneList<Expression*>* args = ParseArguments(CHECK_OK); | 4355 Scanner::Location spread_pos; |
| 4356 ZoneList<Expression*>* args = ParseArguments(&spread_pos, CHECK_OK); |
| 4357 |
| 4358 DCHECK(!spread_pos.IsValid()); |
4353 | 4359 |
4354 if (extension_ != NULL) { | 4360 if (extension_ != NULL) { |
4355 // The extension structures are only accessible while parsing the | 4361 // The extension structures are only accessible while parsing the |
4356 // very first time not when reparsing because of lazy compilation. | 4362 // very first time not when reparsing because of lazy compilation. |
4357 scope_->DeclarationScope()->ForceEagerCompilation(); | 4363 scope_->DeclarationScope()->ForceEagerCompilation(); |
4358 } | 4364 } |
4359 | 4365 |
4360 const Runtime::Function* function = Runtime::FunctionForName(name->string()); | 4366 const Runtime::Function* function = Runtime::FunctionForName(name->string()); |
4361 | 4367 |
4362 // Check for built-in IS_VAR macro. | 4368 // Check for built-in IS_VAR macro. |
(...skipping 1244 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5607 running_hash, data, raw_string->length()); | 5613 running_hash, data, raw_string->length()); |
5608 } else { | 5614 } else { |
5609 const uc16* data = reinterpret_cast<const uc16*>(raw_string->raw_data()); | 5615 const uc16* data = reinterpret_cast<const uc16*>(raw_string->raw_data()); |
5610 running_hash = StringHasher::ComputeRunningHash(running_hash, data, | 5616 running_hash = StringHasher::ComputeRunningHash(running_hash, data, |
5611 raw_string->length()); | 5617 raw_string->length()); |
5612 } | 5618 } |
5613 } | 5619 } |
5614 | 5620 |
5615 return running_hash; | 5621 return running_hash; |
5616 } | 5622 } |
| 5623 |
| 5624 |
| 5625 ZoneList<v8::internal::Expression*>* Parser::PrepareSpreadArguments( |
| 5626 ZoneList<v8::internal::Expression*>* list) { |
| 5627 ZoneList<v8::internal::Expression*>* args = |
| 5628 new (zone()) ZoneList<v8::internal::Expression*>(1, zone()); |
| 5629 if (list->length() == 1) { |
| 5630 // Spread-call with single spread argument produces an InternalArray |
| 5631 // containing the values from the array. |
| 5632 // |
| 5633 // Function is called or constructed with the produced array of arguments |
| 5634 // |
| 5635 // EG: Apply(Func, Spread(spread0)) |
| 5636 ZoneList<Expression*>* spread_list = |
| 5637 new (zone()) ZoneList<Expression*>(0, zone()); |
| 5638 spread_list->Add(list->at(0)->AsSpread()->expression(), zone()); |
| 5639 args->Add( |
| 5640 factory()->NewCallRuntime(ast_value_factory()->spread_iterable_string(), |
| 5641 NULL, spread_list, RelocInfo::kNoPosition), |
| 5642 zone()); |
| 5643 return args; |
| 5644 } else { |
| 5645 // Spread-call with multiple arguments produces array literals for each |
| 5646 // sequences of unspread arguments, and converts each spread iterable to |
| 5647 // an Internal array. Finally, all of these produced arrays are flattened |
| 5648 // into a single InternalArray, containing the arguments for the call. |
| 5649 // |
| 5650 // EG: Apply(Func, Flatten([unspread0, unspread1], Spread(spread0), |
| 5651 // Spread(spread1), [unspread2, unspread3])) |
| 5652 int i = 0; |
| 5653 int n = list->length(); |
| 5654 while (i < n) { |
| 5655 if (!list->at(i)->IsSpread()) { |
| 5656 ZoneList<v8::internal::Expression*>* unspread = |
| 5657 new (zone()) ZoneList<v8::internal::Expression*>(1, zone()); |
| 5658 |
| 5659 // Push array of unspread parameters |
| 5660 while (i < n && !list->at(i)->IsSpread()) { |
| 5661 unspread->Add(list->at(i++), zone()); |
| 5662 } |
| 5663 int literal_index = function_state_->NextMaterializedLiteralIndex(); |
| 5664 args->Add(factory()->NewArrayLiteral(unspread, literal_index, |
| 5665 RelocInfo::kNoPosition), |
| 5666 zone()); |
| 5667 |
| 5668 if (i == n) break; |
| 5669 } |
| 5670 |
| 5671 // Push eagerly spread argument |
| 5672 ZoneList<v8::internal::Expression*>* spread_list = |
| 5673 new (zone()) ZoneList<v8::internal::Expression*>(1, zone()); |
| 5674 spread_list->Add(list->at(i++)->AsSpread()->expression(), zone()); |
| 5675 args->Add(factory()->NewCallRuntime( |
| 5676 ast_value_factory()->spread_iterable_string(), NULL, |
| 5677 spread_list, RelocInfo::kNoPosition), |
| 5678 zone()); |
| 5679 } |
| 5680 |
| 5681 list = new (zone()) ZoneList<v8::internal::Expression*>(1, zone()); |
| 5682 list->Add(factory()->NewCallRuntime( |
| 5683 ast_value_factory()->spread_arguments_string(), NULL, args, |
| 5684 RelocInfo::kNoPosition), |
| 5685 zone()); |
| 5686 return list; |
| 5687 } |
| 5688 UNREACHABLE(); |
| 5689 } |
| 5690 |
| 5691 |
| 5692 Expression* Parser::SpreadCall(Expression* function, |
| 5693 ZoneList<v8::internal::Expression*>* args, |
| 5694 int pos) { |
| 5695 if (function->IsSuperReference()) { |
| 5696 // Super calls |
| 5697 args->InsertAt(0, function, zone()); |
| 5698 args->Add(factory()->NewVariableProxy(scope_->new_target_var()), zone()); |
| 5699 Expression* result = factory()->NewCallRuntime( |
| 5700 ast_value_factory()->reflect_construct_string(), NULL, args, pos); |
| 5701 args = new (zone()) ZoneList<Expression*>(0, zone()); |
| 5702 args->Add(result, zone()); |
| 5703 return factory()->NewCallRuntime( |
| 5704 ast_value_factory()->empty_string(), |
| 5705 Runtime::FunctionForId(Runtime::kInlineCallSuperWithSpread), args, pos); |
| 5706 } else { |
| 5707 if (function->IsProperty()) { |
| 5708 // Method calls |
| 5709 Variable* temp = |
| 5710 scope_->NewTemporary(ast_value_factory()->empty_string()); |
| 5711 VariableProxy* obj = factory()->NewVariableProxy(temp); |
| 5712 Assignment* assign_obj = factory()->NewAssignment( |
| 5713 Token::ASSIGN, obj, function->AsProperty()->obj(), |
| 5714 RelocInfo::kNoPosition); |
| 5715 function = factory()->NewProperty( |
| 5716 assign_obj, function->AsProperty()->key(), RelocInfo::kNoPosition); |
| 5717 args->InsertAt(0, function, zone()); |
| 5718 obj = factory()->NewVariableProxy(temp); |
| 5719 args->InsertAt(1, obj, zone()); |
| 5720 } else { |
| 5721 // Non-method calls |
| 5722 args->InsertAt(0, function, zone()); |
| 5723 args->InsertAt(1, factory()->NewUndefinedLiteral(RelocInfo::kNoPosition), |
| 5724 zone()); |
| 5725 } |
| 5726 return factory()->NewCallRuntime( |
| 5727 ast_value_factory()->reflect_apply_string(), NULL, args, pos); |
| 5728 } |
| 5729 } |
| 5730 |
| 5731 |
| 5732 Expression* Parser::SpreadCallNew(Expression* function, |
| 5733 ZoneList<v8::internal::Expression*>* args, |
| 5734 int pos) { |
| 5735 args->InsertAt(0, function, zone()); |
| 5736 |
| 5737 return factory()->NewCallRuntime( |
| 5738 ast_value_factory()->reflect_construct_string(), NULL, args, pos); |
| 5739 } |
5617 } } // namespace v8::internal | 5740 } } // namespace v8::internal |
OLD | NEW |