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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1758 int position = -1; | 1758 int position = -1; |
1759 if (peek() == Token::ASSIGN) { | 1759 if (peek() == Token::ASSIGN) { |
1760 Expect(Token::ASSIGN, CHECK_OK); | 1760 Expect(Token::ASSIGN, CHECK_OK); |
1761 position = scanner().location().beg_pos; | 1761 position = scanner().location().beg_pos; |
1762 value = ParseAssignmentExpression(var_context != kForStatement, CHECK_OK); | 1762 value = ParseAssignmentExpression(var_context != kForStatement, CHECK_OK); |
1763 // Don't infer if it is "a = function(){...}();"-like expression. | 1763 // Don't infer if it is "a = function(){...}();"-like expression. |
1764 if (fni_ != NULL && | 1764 if (fni_ != NULL && |
1765 value->AsCall() == NULL && | 1765 value->AsCall() == NULL && |
1766 value->AsCallNew() == NULL) { | 1766 value->AsCallNew() == NULL) { |
1767 fni_->Infer(); | 1767 fni_->Infer(); |
| 1768 } else { |
| 1769 fni_->RemoveLastFunction(); |
1768 } | 1770 } |
1769 } | 1771 } |
1770 | 1772 |
1771 // Make sure that 'const x' and 'let x' initialize 'x' to undefined. | 1773 // Make sure that 'const x' and 'let x' initialize 'x' to undefined. |
1772 if (value == NULL && needs_init) { | 1774 if (value == NULL && needs_init) { |
1773 value = GetLiteralUndefined(); | 1775 value = GetLiteralUndefined(); |
1774 } | 1776 } |
1775 | 1777 |
1776 // Global variable declarations must be compiled in a specific | 1778 // Global variable declarations must be compiled in a specific |
1777 // way. When the script containing the global variable declaration | 1779 // way. When the script containing the global variable declaration |
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2508 | 2510 |
2509 if (fni_ != NULL) { | 2511 if (fni_ != NULL) { |
2510 // Check if the right hand side is a call to avoid inferring a | 2512 // Check if the right hand side is a call to avoid inferring a |
2511 // name if we're dealing with "a = function(){...}();"-like | 2513 // name if we're dealing with "a = function(){...}();"-like |
2512 // expression. | 2514 // expression. |
2513 if ((op == Token::INIT_VAR | 2515 if ((op == Token::INIT_VAR |
2514 || op == Token::INIT_CONST | 2516 || op == Token::INIT_CONST |
2515 || op == Token::ASSIGN) | 2517 || op == Token::ASSIGN) |
2516 && (right->AsCall() == NULL && right->AsCallNew() == NULL)) { | 2518 && (right->AsCall() == NULL && right->AsCallNew() == NULL)) { |
2517 fni_->Infer(); | 2519 fni_->Infer(); |
| 2520 } else { |
| 2521 fni_->RemoveLastFunction(); |
2518 } | 2522 } |
2519 fni_->Leave(); | 2523 fni_->Leave(); |
2520 } | 2524 } |
2521 | 2525 |
2522 return new(zone()) Assignment(isolate(), op, expression, right, pos); | 2526 return new(zone()) Assignment(isolate(), op, expression, right, pos); |
2523 } | 2527 } |
2524 | 2528 |
2525 | 2529 |
2526 // Precedence = 3 | 2530 // Precedence = 3 |
2527 Expression* Parser::ParseConditionalExpression(bool accept_IN, bool* ok) { | 2531 Expression* Parser::ParseConditionalExpression(bool accept_IN, bool* ok) { |
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5214 result = parser.ParseProgram(source, | 5218 result = parser.ParseProgram(source, |
5215 info->is_global(), | 5219 info->is_global(), |
5216 info->StrictMode()); | 5220 info->StrictMode()); |
5217 } | 5221 } |
5218 } | 5222 } |
5219 info->SetFunction(result); | 5223 info->SetFunction(result); |
5220 return (result != NULL); | 5224 return (result != NULL); |
5221 } | 5225 } |
5222 | 5226 |
5223 } } // namespace v8::internal | 5227 } } // namespace v8::internal |
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