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Issue 7616009: Parse harmony let declarations. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Updated tests. Created 9 years, 4 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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368 Scope* block_scope_; 368 Scope* block_scope_;
369 }; 369 };
370 370
371 371
372 class Declaration: public AstNode { 372 class Declaration: public AstNode {
373 public: 373 public:
374 Declaration(VariableProxy* proxy, Variable::Mode mode, FunctionLiteral* fun) 374 Declaration(VariableProxy* proxy, Variable::Mode mode, FunctionLiteral* fun)
375 : proxy_(proxy), 375 : proxy_(proxy),
376 mode_(mode), 376 mode_(mode),
377 fun_(fun) { 377 fun_(fun) {
378 ASSERT(mode == Variable::VAR || mode == Variable::CONST); 378 ASSERT(mode == Variable::VAR ||
379 mode == Variable::CONST ||
380 mode == Variable::LET);
379 // At the moment there are no "const functions"'s in JavaScript... 381 // At the moment there are no "const functions"'s in JavaScript...
380 ASSERT(fun == NULL || mode == Variable::VAR); 382 ASSERT(fun == NULL || mode == Variable::VAR || mode == Variable::LET);
381 } 383 }
382 384
383 DECLARE_NODE_TYPE(Declaration) 385 DECLARE_NODE_TYPE(Declaration)
384 386
385 VariableProxy* proxy() const { return proxy_; } 387 VariableProxy* proxy() const { return proxy_; }
386 Variable::Mode mode() const { return mode_; } 388 Variable::Mode mode() const { return mode_; }
387 FunctionLiteral* fun() const { return fun_; } // may be NULL 389 FunctionLiteral* fun() const { return fun_; } // may be NULL
388 virtual bool IsInlineable() const; 390 virtual bool IsInlineable() const;
389 391
390 private: 392 private:
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2242 2244
2243 private: 2245 private:
2244 Isolate* isolate_; 2246 Isolate* isolate_;
2245 bool stack_overflow_; 2247 bool stack_overflow_;
2246 }; 2248 };
2247 2249
2248 2250
2249 } } // namespace v8::internal 2251 } } // namespace v8::internal
2250 2252
2251 #endif // V8_AST_H_ 2253 #endif // V8_AST_H_
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