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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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76 void MarkAsStrictMode() { | 76 void MarkAsStrictMode() { |
77 flags_ |= IsStrictMode::encode(true); | 77 flags_ |= IsStrictMode::encode(true); |
78 } | 78 } |
79 StrictModeFlag StrictMode() { | 79 StrictModeFlag StrictMode() { |
80 return is_strict_mode() ? kStrictMode : kNonStrictMode; | 80 return is_strict_mode() ? kStrictMode : kNonStrictMode; |
81 } | 81 } |
82 void MarkAsInLoop() { | 82 void MarkAsInLoop() { |
83 ASSERT(is_lazy()); | 83 ASSERT(is_lazy()); |
84 flags_ |= IsInLoop::encode(true); | 84 flags_ |= IsInLoop::encode(true); |
85 } | 85 } |
86 void MarkAsAllowingNativesSyntax() { | |
87 flags_ |= IsNativesSyntaxAllowed::encode(true); | |
88 } | |
89 bool allows_natives_syntax() const { | |
90 return IsNativesSyntaxAllowed::decode(flags_); | |
91 } | |
92 void MarkAsNative() { | 86 void MarkAsNative() { |
93 flags_ |= IsNative::encode(true); | 87 flags_ |= IsNative::encode(true); |
94 } | 88 } |
95 bool is_native() const { | 89 bool is_native() const { |
96 return IsNative::decode(flags_); | 90 return IsNative::decode(flags_); |
97 } | 91 } |
98 void SetFunction(FunctionLiteral* literal) { | 92 void SetFunction(FunctionLiteral* literal) { |
99 ASSERT(function_ == NULL); | 93 ASSERT(function_ == NULL); |
100 function_ = literal; | 94 function_ = literal; |
101 } | 95 } |
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192 // | 186 // |
193 // Compilation is either eager or lazy. | 187 // Compilation is either eager or lazy. |
194 class IsLazy: public BitField<bool, 0, 1> {}; | 188 class IsLazy: public BitField<bool, 0, 1> {}; |
195 // Flags that can be set for eager compilation. | 189 // Flags that can be set for eager compilation. |
196 class IsEval: public BitField<bool, 1, 1> {}; | 190 class IsEval: public BitField<bool, 1, 1> {}; |
197 class IsGlobal: public BitField<bool, 2, 1> {}; | 191 class IsGlobal: public BitField<bool, 2, 1> {}; |
198 // Flags that can be set for lazy compilation. | 192 // Flags that can be set for lazy compilation. |
199 class IsInLoop: public BitField<bool, 3, 1> {}; | 193 class IsInLoop: public BitField<bool, 3, 1> {}; |
200 // Strict mode - used in eager compilation. | 194 // Strict mode - used in eager compilation. |
201 class IsStrictMode: public BitField<bool, 4, 1> {}; | 195 class IsStrictMode: public BitField<bool, 4, 1> {}; |
202 // Native syntax (%-stuff) allowed? | |
203 class IsNativesSyntaxAllowed: public BitField<bool, 5, 1> {}; | |
204 // Is this a function from our natives. | 196 // Is this a function from our natives. |
205 class IsNative: public BitField<bool, 6, 1> {}; | 197 class IsNative: public BitField<bool, 6, 1> {}; |
206 | 198 |
207 | 199 |
208 unsigned flags_; | 200 unsigned flags_; |
209 | 201 |
210 // Fields filled in by the compilation pipeline. | 202 // Fields filled in by the compilation pipeline. |
211 // AST filled in by the parser. | 203 // AST filled in by the parser. |
212 FunctionLiteral* function_; | 204 FunctionLiteral* function_; |
213 // The scope of the function literal as a convenience. Set to indicate | 205 // The scope of the function literal as a convenience. Set to indicate |
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298 | 290 |
299 static void RecordFunctionCompilation(Logger::LogEventsAndTags tag, | 291 static void RecordFunctionCompilation(Logger::LogEventsAndTags tag, |
300 CompilationInfo* info, | 292 CompilationInfo* info, |
301 Handle<SharedFunctionInfo> shared); | 293 Handle<SharedFunctionInfo> shared); |
302 }; | 294 }; |
303 | 295 |
304 | 296 |
305 } } // namespace v8::internal | 297 } } // namespace v8::internal |
306 | 298 |
307 #endif // V8_COMPILER_H_ | 299 #endif // V8_COMPILER_H_ |
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