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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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999 PreParserFactory factory(NULL); | 999 PreParserFactory factory(NULL); |
1000 FunctionState function_state(&function_state_, &scope_, function_scope, kind, | 1000 FunctionState function_state(&function_state_, &scope_, function_scope, kind, |
1001 &factory); | 1001 &factory); |
1002 FormalParameterErrorLocations error_locs; | 1002 FormalParameterErrorLocations error_locs; |
1003 | 1003 |
1004 bool is_rest = false; | 1004 bool is_rest = false; |
1005 Expect(Token::LPAREN, CHECK_OK); | 1005 Expect(Token::LPAREN, CHECK_OK); |
1006 int start_position = scanner()->location().beg_pos; | 1006 int start_position = scanner()->location().beg_pos; |
1007 function_scope->set_start_position(start_position); | 1007 function_scope->set_start_position(start_position); |
1008 int num_parameters; | 1008 int num_parameters; |
| 1009 bool has_initializers = false; |
1009 { | 1010 { |
1010 DuplicateFinder duplicate_finder(scanner()->unicode_cache()); | 1011 DuplicateFinder duplicate_finder(scanner()->unicode_cache()); |
1011 num_parameters = ParseFormalParameterList(&duplicate_finder, &error_locs, | 1012 PreParserExpressionList initializers = NewExpressionList(0, zone()); |
1012 &is_rest, CHECK_OK); | 1013 num_parameters = |
| 1014 ParseFormalParameterList(&duplicate_finder, &error_locs, initializers, |
| 1015 &has_initializers, &is_rest, CHECK_OK); |
1013 } | 1016 } |
1014 Expect(Token::RPAREN, CHECK_OK); | 1017 Expect(Token::RPAREN, CHECK_OK); |
1015 int formals_end_position = scanner()->location().end_pos; | 1018 int formals_end_position = scanner()->location().end_pos; |
1016 | 1019 |
1017 CheckArityRestrictions(num_parameters, arity_restriction, start_position, | 1020 CheckArityRestrictions(num_parameters, arity_restriction, start_position, |
1018 formals_end_position, CHECK_OK); | 1021 formals_end_position, CHECK_OK); |
1019 | 1022 |
1020 // See Parser::ParseFunctionLiteral for more information about lazy parsing | 1023 // See Parser::ParseFunctionLiteral for more information about lazy parsing |
1021 // and lazy compilation. | 1024 // and lazy compilation. |
1022 bool is_lazily_parsed = | 1025 bool is_lazily_parsed = |
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1147 | 1150 |
1148 DCHECK(!spread_pos.IsValid()); | 1151 DCHECK(!spread_pos.IsValid()); |
1149 | 1152 |
1150 return Expression::Default(); | 1153 return Expression::Default(); |
1151 } | 1154 } |
1152 | 1155 |
1153 #undef CHECK_OK | 1156 #undef CHECK_OK |
1154 | 1157 |
1155 | 1158 |
1156 } } // v8::internal | 1159 } } // v8::internal |
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