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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 <memory> | 7 #include <memory> |
8 | 8 |
9 #include "src/api.h" | 9 #include "src/api.h" |
10 #include "src/ast/ast-expression-rewriter.h" | 10 #include "src/ast/ast-expression-rewriter.h" |
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3442 // DebuggerStatement :: | 3442 // DebuggerStatement :: |
3443 // 'debugger' ';' | 3443 // 'debugger' ';' |
3444 | 3444 |
3445 int pos = peek_position(); | 3445 int pos = peek_position(); |
3446 Expect(Token::DEBUGGER, CHECK_OK); | 3446 Expect(Token::DEBUGGER, CHECK_OK); |
3447 ExpectSemicolon(CHECK_OK); | 3447 ExpectSemicolon(CHECK_OK); |
3448 return factory()->NewDebuggerStatement(pos); | 3448 return factory()->NewDebuggerStatement(pos); |
3449 } | 3449 } |
3450 | 3450 |
3451 | 3451 |
3452 bool CompileTimeValue::IsCompileTimeValue(Expression* expression) { | |
3453 if (expression->IsLiteral()) return true; | |
3454 MaterializedLiteral* lit = expression->AsMaterializedLiteral(); | |
3455 return lit != NULL && lit->is_simple(); | |
3456 } | |
3457 | |
3458 | |
3459 Handle<FixedArray> CompileTimeValue::GetValue(Isolate* isolate, | |
3460 Expression* expression) { | |
3461 Factory* factory = isolate->factory(); | |
3462 DCHECK(IsCompileTimeValue(expression)); | |
3463 Handle<FixedArray> result = factory->NewFixedArray(2, TENURED); | |
3464 ObjectLiteral* object_literal = expression->AsObjectLiteral(); | |
3465 if (object_literal != NULL) { | |
3466 DCHECK(object_literal->is_simple()); | |
3467 if (object_literal->fast_elements()) { | |
3468 result->set(kLiteralTypeSlot, Smi::FromInt(OBJECT_LITERAL_FAST_ELEMENTS)); | |
3469 } else { | |
3470 result->set(kLiteralTypeSlot, Smi::FromInt(OBJECT_LITERAL_SLOW_ELEMENTS)); | |
3471 } | |
3472 result->set(kElementsSlot, *object_literal->constant_properties()); | |
3473 } else { | |
3474 ArrayLiteral* array_literal = expression->AsArrayLiteral(); | |
3475 DCHECK(array_literal != NULL && array_literal->is_simple()); | |
3476 result->set(kLiteralTypeSlot, Smi::FromInt(ARRAY_LITERAL)); | |
3477 result->set(kElementsSlot, *array_literal->constant_elements()); | |
3478 } | |
3479 return result; | |
3480 } | |
3481 | |
3482 | |
3483 CompileTimeValue::LiteralType CompileTimeValue::GetLiteralType( | |
3484 Handle<FixedArray> value) { | |
3485 Smi* literal_type = Smi::cast(value->get(kLiteralTypeSlot)); | |
3486 return static_cast<LiteralType>(literal_type->value()); | |
3487 } | |
3488 | |
3489 | |
3490 Handle<FixedArray> CompileTimeValue::GetElements(Handle<FixedArray> value) { | |
3491 return Handle<FixedArray>(FixedArray::cast(value->get(kElementsSlot))); | |
3492 } | |
3493 | |
3494 void Parser::ParseArrowFunctionFormalParameters( | 3452 void Parser::ParseArrowFunctionFormalParameters( |
3495 ParserFormalParameters* parameters, Expression* expr, int end_pos, | 3453 ParserFormalParameters* parameters, Expression* expr, int end_pos, |
3496 bool* ok) { | 3454 bool* ok) { |
3497 // ArrowFunctionFormals :: | 3455 // ArrowFunctionFormals :: |
3498 // Binary(Token::COMMA, NonTailArrowFunctionFormals, Tail) | 3456 // Binary(Token::COMMA, NonTailArrowFunctionFormals, Tail) |
3499 // Tail | 3457 // Tail |
3500 // NonTailArrowFunctionFormals :: | 3458 // NonTailArrowFunctionFormals :: |
3501 // Binary(Token::COMMA, NonTailArrowFunctionFormals, VariableProxy) | 3459 // Binary(Token::COMMA, NonTailArrowFunctionFormals, VariableProxy) |
3502 // VariableProxy | 3460 // VariableProxy |
3503 // Tail :: | 3461 // Tail :: |
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6490 node->Print(Isolate::Current()); | 6448 node->Print(Isolate::Current()); |
6491 } | 6449 } |
6492 #endif // DEBUG | 6450 #endif // DEBUG |
6493 | 6451 |
6494 #undef CHECK_OK | 6452 #undef CHECK_OK |
6495 #undef CHECK_OK_VOID | 6453 #undef CHECK_OK_VOID |
6496 #undef CHECK_FAILED | 6454 #undef CHECK_FAILED |
6497 | 6455 |
6498 } // namespace internal | 6456 } // namespace internal |
6499 } // namespace v8 | 6457 } // namespace v8 |
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