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Issue 8274031: Merge r9430, r9433 and r9508 into 3.5 branch. (Closed) Base URL: http://v8.googlecode.com/svn/branches/3.5/
Patch Set: '' Created 9 years, 2 months ago
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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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1749 int position = -1; 1749 int position = -1;
1750 if (peek() == Token::ASSIGN) { 1750 if (peek() == Token::ASSIGN) {
1751 Expect(Token::ASSIGN, CHECK_OK); 1751 Expect(Token::ASSIGN, CHECK_OK);
1752 position = scanner().location().beg_pos; 1752 position = scanner().location().beg_pos;
1753 value = ParseAssignmentExpression(var_context != kForStatement, CHECK_OK); 1753 value = ParseAssignmentExpression(var_context != kForStatement, CHECK_OK);
1754 // Don't infer if it is "a = function(){...}();"-like expression. 1754 // Don't infer if it is "a = function(){...}();"-like expression.
1755 if (fni_ != NULL && 1755 if (fni_ != NULL &&
1756 value->AsCall() == NULL && 1756 value->AsCall() == NULL &&
1757 value->AsCallNew() == NULL) { 1757 value->AsCallNew() == NULL) {
1758 fni_->Infer(); 1758 fni_->Infer();
1759 } else {
1760 fni_->RemoveLastFunction();
1759 } 1761 }
1760 } 1762 }
1761 1763
1762 // Make sure that 'const x' and 'let x' initialize 'x' to undefined. 1764 // Make sure that 'const x' and 'let x' initialize 'x' to undefined.
1763 if (value == NULL && needs_init) { 1765 if (value == NULL && needs_init) {
1764 value = GetLiteralUndefined(); 1766 value = GetLiteralUndefined();
1765 } 1767 }
1766 1768
1767 // Global variable declarations must be compiled in a specific 1769 // Global variable declarations must be compiled in a specific
1768 // way. When the script containing the global variable declaration 1770 // way. When the script containing the global variable declaration
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2499 2501
2500 if (fni_ != NULL) { 2502 if (fni_ != NULL) {
2501 // Check if the right hand side is a call to avoid inferring a 2503 // Check if the right hand side is a call to avoid inferring a
2502 // name if we're dealing with "a = function(){...}();"-like 2504 // name if we're dealing with "a = function(){...}();"-like
2503 // expression. 2505 // expression.
2504 if ((op == Token::INIT_VAR 2506 if ((op == Token::INIT_VAR
2505 || op == Token::INIT_CONST 2507 || op == Token::INIT_CONST
2506 || op == Token::ASSIGN) 2508 || op == Token::ASSIGN)
2507 && (right->AsCall() == NULL && right->AsCallNew() == NULL)) { 2509 && (right->AsCall() == NULL && right->AsCallNew() == NULL)) {
2508 fni_->Infer(); 2510 fni_->Infer();
2511 } else {
2512 fni_->RemoveLastFunction();
2509 } 2513 }
2510 fni_->Leave(); 2514 fni_->Leave();
2511 } 2515 }
2512 2516
2513 return new(zone()) Assignment(isolate(), op, expression, right, pos); 2517 return new(zone()) Assignment(isolate(), op, expression, right, pos);
2514 } 2518 }
2515 2519
2516 2520
2517 // Precedence = 3 2521 // Precedence = 3
2518 Expression* Parser::ParseConditionalExpression(bool accept_IN, bool* ok) { 2522 Expression* Parser::ParseConditionalExpression(bool accept_IN, bool* ok) {
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5200 result = parser.ParseProgram(source, 5204 result = parser.ParseProgram(source,
5201 info->is_global(), 5205 info->is_global(),
5202 info->StrictMode()); 5206 info->StrictMode());
5203 } 5207 }
5204 } 5208 }
5205 info->SetFunction(result); 5209 info->SetFunction(result);
5206 return (result != NULL); 5210 return (result != NULL);
5207 } 5211 }
5208 5212
5209 } } // namespace v8::internal 5213 } } // namespace v8::internal
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