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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 <cmath> | 5 #include <cmath> |
6 | 6 |
7 #include "src/allocation.h" | 7 #include "src/allocation.h" |
8 #include "src/base/logging.h" | 8 #include "src/base/logging.h" |
9 #include "src/conversions-inl.h" | 9 #include "src/conversions-inl.h" |
10 #include "src/conversions.h" | 10 #include "src/conversions.h" |
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97 name, function_name_location, name_is_strict_reserved, kind, | 97 name, function_name_location, name_is_strict_reserved, kind, |
98 function_token_position, type, arity_restriction, ok); | 98 function_token_position, type, arity_restriction, ok); |
99 } | 99 } |
100 | 100 |
101 | 101 |
102 PreParser::PreParseResult PreParser::PreParseLazyFunction( | 102 PreParser::PreParseResult PreParser::PreParseLazyFunction( |
103 StrictMode strict_mode, bool is_generator, ParserRecorder* log) { | 103 StrictMode strict_mode, bool is_generator, ParserRecorder* log) { |
104 log_ = log; | 104 log_ = log; |
105 // Lazy functions always have trivial outer scopes (no with/catch scopes). | 105 // Lazy functions always have trivial outer scopes (no with/catch scopes). |
106 PreParserScope top_scope(scope_, GLOBAL_SCOPE); | 106 PreParserScope top_scope(scope_, GLOBAL_SCOPE); |
107 PreParserFactory top_factory(NULL, NULL, NULL); | 107 PreParserFactory top_factory(NULL); |
108 FunctionState top_state(&function_state_, &scope_, &top_scope, &top_factory); | 108 FunctionState top_state(&function_state_, &scope_, &top_scope, &top_factory); |
109 scope_->SetStrictMode(strict_mode); | 109 scope_->SetStrictMode(strict_mode); |
110 PreParserScope function_scope(scope_, FUNCTION_SCOPE); | 110 PreParserScope function_scope(scope_, FUNCTION_SCOPE); |
111 PreParserFactory function_factory(NULL, NULL, NULL); | 111 PreParserFactory function_factory(NULL); |
112 FunctionState function_state(&function_state_, &scope_, &function_scope, | 112 FunctionState function_state(&function_state_, &scope_, &function_scope, |
113 &function_factory); | 113 &function_factory); |
114 function_state.set_is_generator(is_generator); | 114 function_state.set_is_generator(is_generator); |
115 DCHECK_EQ(Token::LBRACE, scanner()->current_token()); | 115 DCHECK_EQ(Token::LBRACE, scanner()->current_token()); |
116 bool ok = true; | 116 bool ok = true; |
117 int start_position = peek_position(); | 117 int start_position = peek_position(); |
118 ParseLazyFunctionLiteralBody(&ok); | 118 ParseLazyFunctionLiteralBody(&ok); |
119 if (stack_overflow()) return kPreParseStackOverflow; | 119 if (stack_overflow()) return kPreParseStackOverflow; |
120 if (!ok) { | 120 if (!ok) { |
121 ReportUnexpectedToken(scanner()->current_token()); | 121 ReportUnexpectedToken(scanner()->current_token()); |
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806 Identifier function_name, Scanner::Location function_name_location, | 806 Identifier function_name, Scanner::Location function_name_location, |
807 bool name_is_strict_reserved, FunctionKind kind, int function_token_pos, | 807 bool name_is_strict_reserved, FunctionKind kind, int function_token_pos, |
808 FunctionLiteral::FunctionType function_type, | 808 FunctionLiteral::FunctionType function_type, |
809 FunctionLiteral::ArityRestriction arity_restriction, bool* ok) { | 809 FunctionLiteral::ArityRestriction arity_restriction, bool* ok) { |
810 // Function :: | 810 // Function :: |
811 // '(' FormalParameterList? ')' '{' FunctionBody '}' | 811 // '(' FormalParameterList? ')' '{' FunctionBody '}' |
812 | 812 |
813 // Parse function body. | 813 // Parse function body. |
814 ScopeType outer_scope_type = scope_->type(); | 814 ScopeType outer_scope_type = scope_->type(); |
815 PreParserScope function_scope(scope_, FUNCTION_SCOPE); | 815 PreParserScope function_scope(scope_, FUNCTION_SCOPE); |
816 PreParserFactory factory(NULL, NULL, NULL); | 816 PreParserFactory factory(NULL); |
817 FunctionState function_state(&function_state_, &scope_, &function_scope, | 817 FunctionState function_state(&function_state_, &scope_, &function_scope, |
818 &factory); | 818 &factory); |
819 function_state.set_is_generator(IsGeneratorFunction(kind)); | 819 function_state.set_is_generator(IsGeneratorFunction(kind)); |
820 // FormalParameterList :: | 820 // FormalParameterList :: |
821 // '(' (Identifier)*[','] ')' | 821 // '(' (Identifier)*[','] ')' |
822 Expect(Token::LPAREN, CHECK_OK); | 822 Expect(Token::LPAREN, CHECK_OK); |
823 int start_position = position(); | 823 int start_position = position(); |
824 DuplicateFinder duplicate_finder(scanner()->unicode_cache()); | 824 DuplicateFinder duplicate_finder(scanner()->unicode_cache()); |
825 // We don't yet know if the function will be strict, so we cannot yet produce | 825 // We don't yet know if the function will be strict, so we cannot yet produce |
826 // errors for parameter names or duplicates. However, we remember the | 826 // errors for parameter names or duplicates. However, we remember the |
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934 ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); | 934 ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); |
935 ParseArguments(ok); | 935 ParseArguments(ok); |
936 | 936 |
937 return Expression::Default(); | 937 return Expression::Default(); |
938 } | 938 } |
939 | 939 |
940 #undef CHECK_OK | 940 #undef CHECK_OK |
941 | 941 |
942 | 942 |
943 } } // v8::internal | 943 } } // v8::internal |
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