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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 #ifndef V8_PARSER_H_ | 5 #ifndef V8_PARSER_H_ |
6 #define V8_PARSER_H_ | 6 #define V8_PARSER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/ast.h" | 9 #include "src/ast.h" |
10 #include "src/compiler.h" // TODO(titzer): remove this include dependency | 10 #include "src/compiler.h" // TODO(titzer): remove this include dependency |
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1306 return parser_->SpreadCallNew(function, args, pos); | 1306 return parser_->SpreadCallNew(function, args, pos); |
1307 } | 1307 } |
1308 | 1308 |
1309 | 1309 |
1310 void ParserTraits::DeclareFormalParameter( | 1310 void ParserTraits::DeclareFormalParameter( |
1311 ParserFormalParameterParsingState* parsing_state, Expression* pattern, | 1311 ParserFormalParameterParsingState* parsing_state, Expression* pattern, |
1312 ExpressionClassifier* classifier, bool is_rest) { | 1312 ExpressionClassifier* classifier, bool is_rest) { |
1313 bool is_duplicate = false; | 1313 bool is_duplicate = false; |
1314 bool is_simple_name = pattern->IsVariableProxy(); | 1314 bool is_simple_name = pattern->IsVariableProxy(); |
1315 DCHECK(parser_->allow_harmony_destructuring() || is_simple_name); | 1315 DCHECK(parser_->allow_harmony_destructuring() || is_simple_name); |
1316 | 1316 if (is_rest) parsing_state->has_rest = true; |
1317 const AstRawString* name = is_simple_name | 1317 const AstRawString* name = is_simple_name |
1318 ? pattern->AsVariableProxy()->raw_name() | 1318 ? pattern->AsVariableProxy()->raw_name() |
1319 : parser_->ast_value_factory()->empty_string(); | 1319 : parser_->ast_value_factory()->empty_string(); |
1320 Variable* var = | 1320 Variable* var = |
1321 parsing_state->scope->DeclareParameter(name, VAR, is_rest, &is_duplicate); | 1321 parsing_state->scope->DeclareParameter(name, VAR, is_rest, &is_duplicate); |
1322 parsing_state->AddParameter(var, is_simple_name ? nullptr : pattern); | 1322 parsing_state->AddParameter(var, is_simple_name ? nullptr : pattern); |
1323 if (is_sloppy(parsing_state->scope->language_mode())) { | 1323 if (is_sloppy(parsing_state->scope->language_mode())) { |
1324 // TODO(sigurds) Mark every parameter as maybe assigned. This is a | 1324 // TODO(sigurds) Mark every parameter as maybe assigned. This is a |
1325 // conservative approximation necessary to account for parameters | 1325 // conservative approximation necessary to account for parameters |
1326 // that are assigned via the arguments array. | 1326 // that are assigned via the arguments array. |
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1339 auto* init_block = | 1339 auto* init_block = |
1340 parser_->BuildParameterInitializationBlock(formal_parameters, ok); | 1340 parser_->BuildParameterInitializationBlock(formal_parameters, ok); |
1341 if (!*ok) return; | 1341 if (!*ok) return; |
1342 if (init_block != nullptr) { | 1342 if (init_block != nullptr) { |
1343 body->Add(init_block, parser_->zone()); | 1343 body->Add(init_block, parser_->zone()); |
1344 } | 1344 } |
1345 } | 1345 } |
1346 } } // namespace v8::internal | 1346 } } // namespace v8::internal |
1347 | 1347 |
1348 #endif // V8_PARSER_H_ | 1348 #endif // V8_PARSER_H_ |
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