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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/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" |
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2604 break; | 2604 break; |
2605 | 2605 |
2606 // TODO(arv): Handle `let [` | 2606 // TODO(arv): Handle `let [` |
2607 // https://code.google.com/p/v8/issues/detail?id=3847 | 2607 // https://code.google.com/p/v8/issues/detail?id=3847 |
2608 | 2608 |
2609 default: | 2609 default: |
2610 break; | 2610 break; |
2611 } | 2611 } |
2612 | 2612 |
2613 bool starts_with_idenfifier = peek_any_identifier(); | 2613 bool starts_with_idenfifier = peek_any_identifier(); |
| 2614 |
2614 Expression* expr = ParseExpression(true, CHECK_OK); | 2615 Expression* expr = ParseExpression(true, CHECK_OK); |
2615 if (peek() == Token::COLON && starts_with_idenfifier && expr != NULL && | 2616 if (peek() == Token::COLON && starts_with_idenfifier && expr != NULL && |
2616 expr->AsVariableProxy() != NULL && | 2617 expr->AsVariableProxy() != NULL && |
2617 !expr->AsVariableProxy()->is_this()) { | 2618 !expr->AsVariableProxy()->is_this()) { |
2618 // Expression is a single identifier, and not, e.g., a parenthesized | 2619 // Expression is a single identifier, and not, e.g., a parenthesized |
2619 // identifier. | 2620 // identifier. |
2620 VariableProxy* var = expr->AsVariableProxy(); | 2621 VariableProxy* var = expr->AsVariableProxy(); |
2621 const AstRawString* label = var->raw_name(); | 2622 const AstRawString* label = var->raw_name(); |
2622 // TODO(1240780): We don't check for redeclaration of labels | 2623 // TODO(1240780): We don't check for redeclaration of labels |
2623 // during preparsing since keeping track of the set of active | 2624 // during preparsing since keeping track of the set of active |
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3452 | 3453 |
3453 inner_scope->set_end_position(scanner()->location().end_pos); | 3454 inner_scope->set_end_position(scanner()->location().end_pos); |
3454 inner_block->set_scope(inner_scope); | 3455 inner_block->set_scope(inner_scope); |
3455 scope_ = for_scope; | 3456 scope_ = for_scope; |
3456 | 3457 |
3457 outer_loop->Initialize(NULL, NULL, NULL, inner_block); | 3458 outer_loop->Initialize(NULL, NULL, NULL, inner_block); |
3458 return outer_block; | 3459 return outer_block; |
3459 } | 3460 } |
3460 | 3461 |
3461 | 3462 |
| 3463 Expression* Parser::DesugarDestructuringAssignment(Expression* expr, bool* ok) { |
| 3464 // TODO(caitp): implement the desugaring |
| 3465 DCHECK(expr->IsAssignment()); |
| 3466 Assignment* assign = expr->AsAssignment(); |
| 3467 while (assign->value()->IsAssignment()) { |
| 3468 assign = assign->value()->AsAssignment(); |
| 3469 } |
| 3470 return assign->value(); |
| 3471 } |
| 3472 |
| 3473 |
3462 Statement* Parser::ParseForStatement(ZoneList<const AstRawString*>* labels, | 3474 Statement* Parser::ParseForStatement(ZoneList<const AstRawString*>* labels, |
3463 bool* ok) { | 3475 bool* ok) { |
3464 // ForStatement :: | 3476 // ForStatement :: |
3465 // 'for' '(' Expression? ';' Expression? ';' Expression? ')' Statement | 3477 // 'for' '(' Expression? ';' Expression? ';' Expression? ')' Statement |
3466 | 3478 |
3467 int stmt_pos = peek_position(); | 3479 int stmt_pos = peek_position(); |
3468 bool is_const = false; | 3480 bool is_const = false; |
3469 Statement* init = NULL; | 3481 Statement* init = NULL; |
3470 ZoneList<const AstRawString*> lexical_bindings(1, zone()); | 3482 ZoneList<const AstRawString*> lexical_bindings(1, zone()); |
3471 | 3483 |
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5851 Expression* Parser::SpreadCallNew(Expression* function, | 5863 Expression* Parser::SpreadCallNew(Expression* function, |
5852 ZoneList<v8::internal::Expression*>* args, | 5864 ZoneList<v8::internal::Expression*>* args, |
5853 int pos) { | 5865 int pos) { |
5854 args->InsertAt(0, function, zone()); | 5866 args->InsertAt(0, function, zone()); |
5855 | 5867 |
5856 return factory()->NewCallRuntime( | 5868 return factory()->NewCallRuntime( |
5857 ast_value_factory()->reflect_construct_string(), NULL, args, pos); | 5869 ast_value_factory()->reflect_construct_string(), NULL, args, pos); |
5858 } | 5870 } |
5859 } // namespace internal | 5871 } // namespace internal |
5860 } // namespace v8 | 5872 } // namespace v8 |
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