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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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48 // that it is really a constructor, we check that it is not empty | 48 // that it is really a constructor, we check that it is not empty |
49 // and starts with a capital letter. | 49 // and starts with a capital letter. |
50 if (name->length() > 0 && Runtime::IsUpperCaseChar( | 50 if (name->length() > 0 && Runtime::IsUpperCaseChar( |
51 isolate()->runtime_state(), name->Get(0))) { | 51 isolate()->runtime_state(), name->Get(0))) { |
52 names_stack_.Add(Name(name, kEnclosingConstructorName), zone()); | 52 names_stack_.Add(Name(name, kEnclosingConstructorName), zone()); |
53 } | 53 } |
54 } | 54 } |
55 | 55 |
56 | 56 |
57 void FuncNameInferrer::PushLiteralName(Handle<String> name) { | 57 void FuncNameInferrer::PushLiteralName(Handle<String> name) { |
58 if (IsOpen() && !isolate()->heap()->prototype_symbol()->Equals(*name)) { | 58 if (IsOpen() && !isolate()->heap()->prototype_string()->Equals(*name)) { |
59 names_stack_.Add(Name(name, kLiteralName), zone()); | 59 names_stack_.Add(Name(name, kLiteralName), zone()); |
60 } | 60 } |
61 } | 61 } |
62 | 62 |
63 | 63 |
64 void FuncNameInferrer::PushVariableName(Handle<String> name) { | 64 void FuncNameInferrer::PushVariableName(Handle<String> name) { |
65 if (IsOpen() && !isolate()->heap()->result_symbol()->Equals(*name)) { | 65 if (IsOpen() && !isolate()->heap()->result_string()->Equals(*name)) { |
66 names_stack_.Add(Name(name, kVariableName), zone()); | 66 names_stack_.Add(Name(name, kVariableName), zone()); |
67 } | 67 } |
68 } | 68 } |
69 | 69 |
70 | 70 |
71 Handle<String> FuncNameInferrer::MakeNameFromStack() { | 71 Handle<String> FuncNameInferrer::MakeNameFromStack() { |
72 return MakeNameFromStackHelper(0, isolate()->factory()->empty_string()); | 72 return MakeNameFromStackHelper(0, isolate()->factory()->empty_string()); |
73 } | 73 } |
74 | 74 |
75 | 75 |
76 Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos, | 76 Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos, |
77 Handle<String> prev) { | 77 Handle<String> prev) { |
78 if (pos >= names_stack_.length()) return prev; | 78 if (pos >= names_stack_.length()) return prev; |
79 if (pos < names_stack_.length() - 1 && | 79 if (pos < names_stack_.length() - 1 && |
80 names_stack_.at(pos).type == kVariableName && | 80 names_stack_.at(pos).type == kVariableName && |
81 names_stack_.at(pos + 1).type == kVariableName) { | 81 names_stack_.at(pos + 1).type == kVariableName) { |
82 // Skip consecutive variable declarations. | 82 // Skip consecutive variable declarations. |
83 return MakeNameFromStackHelper(pos + 1, prev); | 83 return MakeNameFromStackHelper(pos + 1, prev); |
84 } else { | 84 } else { |
85 if (prev->length() > 0) { | 85 if (prev->length() > 0) { |
86 Factory* factory = isolate()->factory(); | 86 Factory* factory = isolate()->factory(); |
87 Handle<String> curr = factory->NewConsString( | 87 Handle<String> curr = factory->NewConsString( |
88 factory->dot_symbol(), names_stack_.at(pos).name); | 88 factory->dot_string(), names_stack_.at(pos).name); |
89 return MakeNameFromStackHelper(pos + 1, | 89 return MakeNameFromStackHelper(pos + 1, |
90 factory->NewConsString(prev, curr)); | 90 factory->NewConsString(prev, curr)); |
91 } else { | 91 } else { |
92 return MakeNameFromStackHelper(pos + 1, names_stack_.at(pos).name); | 92 return MakeNameFromStackHelper(pos + 1, names_stack_.at(pos).name); |
93 } | 93 } |
94 } | 94 } |
95 } | 95 } |
96 | 96 |
97 | 97 |
98 void FuncNameInferrer::InferFunctionsNames() { | 98 void FuncNameInferrer::InferFunctionsNames() { |
99 Handle<String> func_name = MakeNameFromStack(); | 99 Handle<String> func_name = MakeNameFromStack(); |
100 for (int i = 0; i < funcs_to_infer_.length(); ++i) { | 100 for (int i = 0; i < funcs_to_infer_.length(); ++i) { |
101 funcs_to_infer_[i]->set_inferred_name(func_name); | 101 funcs_to_infer_[i]->set_inferred_name(func_name); |
102 } | 102 } |
103 funcs_to_infer_.Rewind(0); | 103 funcs_to_infer_.Rewind(0); |
104 } | 104 } |
105 | 105 |
106 | 106 |
107 } } // namespace v8::internal | 107 } } // namespace v8::internal |
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