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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_FUNC_NAME_INFERRER_H_ | 28 #ifndef V8_FUNC_NAME_INFERRER_H_ |
29 #define V8_FUNC_NAME_INFERRER_H_ | 29 #define V8_FUNC_NAME_INFERRER_H_ |
30 | 30 |
31 namespace v8 { namespace internal { | 31 namespace v8 { |
| 32 namespace internal { |
32 | 33 |
33 // FuncNameInferrer is a stateful class that is used to perform name | 34 // FuncNameInferrer is a stateful class that is used to perform name |
34 // inference for anonymous functions during static analysis of source code. | 35 // inference for anonymous functions during static analysis of source code. |
35 // Inference is performed in cases when an anonymous function is assigned | 36 // Inference is performed in cases when an anonymous function is assigned |
36 // to a variable or a property (see test-func-name-inference.cc for examples.) | 37 // to a variable or a property (see test-func-name-inference.cc for examples.) |
37 // | 38 // |
38 // The basic idea is that during AST traversal LHSs of expressions are | 39 // The basic idea is that during AST traversal LHSs of expressions are |
39 // always visited before RHSs. Thus, during visiting the LHS, a name can be | 40 // always visited before RHSs. Thus, during visiting the LHS, a name can be |
40 // collected, and during visiting the RHS, a function literal can be collected. | 41 // collected, and during visiting the RHS, a function literal can be collected. |
41 // Inference is performed while leaving the assignment node. | 42 // Inference is performed while leaving the assignment node. |
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125 FuncNameInferrer* inferrer_; | 126 FuncNameInferrer* inferrer_; |
126 bool is_entered_; | 127 bool is_entered_; |
127 | 128 |
128 DISALLOW_COPY_AND_ASSIGN(ScopedFuncNameInferrer); | 129 DISALLOW_COPY_AND_ASSIGN(ScopedFuncNameInferrer); |
129 }; | 130 }; |
130 | 131 |
131 | 132 |
132 } } // namespace v8::internal | 133 } } // namespace v8::internal |
133 | 134 |
134 #endif // V8_FUNC_NAME_INFERRER_H_ | 135 #endif // V8_FUNC_NAME_INFERRER_H_ |
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