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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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27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #include "ast.h" | 30 #include "ast.h" |
31 #include "func-name-inferrer.h" | 31 #include "func-name-inferrer.h" |
32 #include "list-inl.h" | 32 #include "list-inl.h" |
33 | 33 |
34 namespace v8 { | 34 namespace v8 { |
35 namespace internal { | 35 namespace internal { |
36 | 36 |
37 FuncNameInferrer::FuncNameInferrer(Isolate* isolate) | 37 FuncNameInferrer::FuncNameInferrer(Isolate* isolate, Zone* zone) |
38 : isolate_(isolate), | 38 : isolate_(isolate), |
39 entries_stack_(10), | 39 entries_stack_(10, zone), |
40 names_stack_(5), | 40 names_stack_(5, zone), |
41 funcs_to_infer_(4) { | 41 funcs_to_infer_(4, zone), |
| 42 zone_(zone) { |
42 } | 43 } |
43 | 44 |
44 | 45 |
45 void FuncNameInferrer::PushEnclosingName(Handle<String> name) { | 46 void FuncNameInferrer::PushEnclosingName(Handle<String> name) { |
46 // Enclosing name is a name of a constructor function. To check | 47 // Enclosing name is a name of a constructor function. To check |
47 // 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 |
48 // and starts with a capital letter. | 49 // and starts with a capital letter. |
49 if (name->length() > 0 && Runtime::IsUpperCaseChar( | 50 if (name->length() > 0 && Runtime::IsUpperCaseChar( |
50 isolate()->runtime_state(), name->Get(0))) { | 51 isolate()->runtime_state(), name->Get(0))) { |
51 names_stack_.Add(Name(name, kEnclosingConstructorName)); | 52 names_stack_.Add(Name(name, kEnclosingConstructorName), zone()); |
52 } | 53 } |
53 } | 54 } |
54 | 55 |
55 | 56 |
56 void FuncNameInferrer::PushLiteralName(Handle<String> name) { | 57 void FuncNameInferrer::PushLiteralName(Handle<String> name) { |
57 if (IsOpen() && !isolate()->heap()->prototype_symbol()->Equals(*name)) { | 58 if (IsOpen() && !isolate()->heap()->prototype_symbol()->Equals(*name)) { |
58 names_stack_.Add(Name(name, kLiteralName)); | 59 names_stack_.Add(Name(name, kLiteralName), zone()); |
59 } | 60 } |
60 } | 61 } |
61 | 62 |
62 | 63 |
63 void FuncNameInferrer::PushVariableName(Handle<String> name) { | 64 void FuncNameInferrer::PushVariableName(Handle<String> name) { |
64 if (IsOpen() && !isolate()->heap()->result_symbol()->Equals(*name)) { | 65 if (IsOpen() && !isolate()->heap()->result_symbol()->Equals(*name)) { |
65 names_stack_.Add(Name(name, kVariableName)); | 66 names_stack_.Add(Name(name, kVariableName), zone()); |
66 } | 67 } |
67 } | 68 } |
68 | 69 |
69 | 70 |
70 Handle<String> FuncNameInferrer::MakeNameFromStack() { | 71 Handle<String> FuncNameInferrer::MakeNameFromStack() { |
71 return MakeNameFromStackHelper(0, isolate()->factory()->empty_string()); | 72 return MakeNameFromStackHelper(0, isolate()->factory()->empty_string()); |
72 } | 73 } |
73 | 74 |
74 | 75 |
75 Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos, | 76 Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos, |
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97 void FuncNameInferrer::InferFunctionsNames() { | 98 void FuncNameInferrer::InferFunctionsNames() { |
98 Handle<String> func_name = MakeNameFromStack(); | 99 Handle<String> func_name = MakeNameFromStack(); |
99 for (int i = 0; i < funcs_to_infer_.length(); ++i) { | 100 for (int i = 0; i < funcs_to_infer_.length(); ++i) { |
100 funcs_to_infer_[i]->set_inferred_name(func_name); | 101 funcs_to_infer_[i]->set_inferred_name(func_name); |
101 } | 102 } |
102 funcs_to_infer_.Rewind(0); | 103 funcs_to_infer_.Rewind(0); |
103 } | 104 } |
104 | 105 |
105 | 106 |
106 } } // namespace v8::internal | 107 } } // namespace v8::internal |
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