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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/parsing/parser.h" | 5 #include "src/parsing/parser.h" |
6 | 6 |
7 #include "src/api.h" | 7 #include "src/api.h" |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/ast/ast-expression-visitor.h" | 9 #include "src/ast/ast-expression-visitor.h" |
10 #include "src/ast/ast-literal-reindexer.h" | 10 #include "src/ast/ast-literal-reindexer.h" |
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919 parsing_on_main_thread_(true) { | 919 parsing_on_main_thread_(true) { |
920 // Even though we were passed ParseInfo, we should not store it in | 920 // Even though we were passed ParseInfo, we should not store it in |
921 // Parser - this makes sure that Isolate is not accidentally accessed via | 921 // Parser - this makes sure that Isolate is not accidentally accessed via |
922 // ParseInfo during background parsing. | 922 // ParseInfo during background parsing. |
923 DCHECK(!info->script().is_null() || info->source_stream() != NULL); | 923 DCHECK(!info->script().is_null() || info->source_stream() != NULL); |
924 set_allow_lazy(info->allow_lazy_parsing()); | 924 set_allow_lazy(info->allow_lazy_parsing()); |
925 set_allow_natives(FLAG_allow_natives_syntax || info->is_native()); | 925 set_allow_natives(FLAG_allow_natives_syntax || info->is_native()); |
926 set_allow_harmony_sloppy(FLAG_harmony_sloppy); | 926 set_allow_harmony_sloppy(FLAG_harmony_sloppy); |
927 set_allow_harmony_sloppy_function(FLAG_harmony_sloppy_function); | 927 set_allow_harmony_sloppy_function(FLAG_harmony_sloppy_function); |
928 set_allow_harmony_sloppy_let(FLAG_harmony_sloppy_let); | 928 set_allow_harmony_sloppy_let(FLAG_harmony_sloppy_let); |
929 set_allow_harmony_rest_parameters(FLAG_harmony_rest_parameters); | |
930 set_allow_harmony_default_parameters(FLAG_harmony_default_parameters); | 929 set_allow_harmony_default_parameters(FLAG_harmony_default_parameters); |
931 set_allow_harmony_destructuring_bind(FLAG_harmony_destructuring_bind); | 930 set_allow_harmony_destructuring_bind(FLAG_harmony_destructuring_bind); |
932 set_allow_harmony_destructuring_assignment( | 931 set_allow_harmony_destructuring_assignment( |
933 FLAG_harmony_destructuring_assignment); | 932 FLAG_harmony_destructuring_assignment); |
934 set_allow_strong_mode(FLAG_strong_mode); | 933 set_allow_strong_mode(FLAG_strong_mode); |
935 set_allow_legacy_const(FLAG_legacy_const); | 934 set_allow_legacy_const(FLAG_legacy_const); |
936 set_allow_harmony_do_expressions(FLAG_harmony_do_expressions); | 935 set_allow_harmony_do_expressions(FLAG_harmony_do_expressions); |
937 for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount; | 936 for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount; |
938 ++feature) { | 937 ++feature) { |
939 use_counts_[feature] = 0; | 938 use_counts_[feature] = 0; |
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4898 DCHECK_EQ(Token::LBRACE, scanner()->current_token()); | 4897 DCHECK_EQ(Token::LBRACE, scanner()->current_token()); |
4899 | 4898 |
4900 if (reusable_preparser_ == NULL) { | 4899 if (reusable_preparser_ == NULL) { |
4901 reusable_preparser_ = new PreParser(zone(), &scanner_, ast_value_factory(), | 4900 reusable_preparser_ = new PreParser(zone(), &scanner_, ast_value_factory(), |
4902 NULL, stack_limit_); | 4901 NULL, stack_limit_); |
4903 reusable_preparser_->set_allow_lazy(true); | 4902 reusable_preparser_->set_allow_lazy(true); |
4904 #define SET_ALLOW(name) reusable_preparser_->set_allow_##name(allow_##name()); | 4903 #define SET_ALLOW(name) reusable_preparser_->set_allow_##name(allow_##name()); |
4905 SET_ALLOW(natives); | 4904 SET_ALLOW(natives); |
4906 SET_ALLOW(harmony_sloppy); | 4905 SET_ALLOW(harmony_sloppy); |
4907 SET_ALLOW(harmony_sloppy_let); | 4906 SET_ALLOW(harmony_sloppy_let); |
4908 SET_ALLOW(harmony_rest_parameters); | |
4909 SET_ALLOW(harmony_default_parameters); | 4907 SET_ALLOW(harmony_default_parameters); |
4910 SET_ALLOW(harmony_destructuring_bind); | 4908 SET_ALLOW(harmony_destructuring_bind); |
4911 SET_ALLOW(strong_mode); | 4909 SET_ALLOW(strong_mode); |
4912 SET_ALLOW(harmony_do_expressions); | 4910 SET_ALLOW(harmony_do_expressions); |
4913 #undef SET_ALLOW | 4911 #undef SET_ALLOW |
4914 } | 4912 } |
4915 PreParser::PreParseResult result = reusable_preparser_->PreParseLazyFunction( | 4913 PreParser::PreParseResult result = reusable_preparser_->PreParseLazyFunction( |
4916 language_mode(), function_state_->kind(), scope_->has_simple_parameters(), | 4914 language_mode(), function_state_->kind(), scope_->has_simple_parameters(), |
4917 logger, bookmark); | 4915 logger, bookmark); |
4918 if (pre_parse_timer_ != NULL) { | 4916 if (pre_parse_timer_ != NULL) { |
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6573 | 6571 |
6574 void ParserTraits::QueueDestructuringAssignmentForRewriting(Expression* expr) { | 6572 void ParserTraits::QueueDestructuringAssignmentForRewriting(Expression* expr) { |
6575 DCHECK(expr->IsRewritableAssignmentExpression()); | 6573 DCHECK(expr->IsRewritableAssignmentExpression()); |
6576 parser_->function_state_->AddDestructuringAssignment( | 6574 parser_->function_state_->AddDestructuringAssignment( |
6577 Parser::DestructuringAssignment(expr, parser_->scope_)); | 6575 Parser::DestructuringAssignment(expr, parser_->scope_)); |
6578 } | 6576 } |
6579 | 6577 |
6580 | 6578 |
6581 } // namespace internal | 6579 } // namespace internal |
6582 } // namespace v8 | 6580 } // namespace v8 |
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