| OLD | NEW |
| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
| (...skipping 118 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 129 DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript); | 129 DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript); |
| 130 }; | 130 }; |
| 131 | 131 |
| 132 | 132 |
| 133 // Sub-cache for eval scripts. Two caches for eval are used. One for eval calls | 133 // Sub-cache for eval scripts. Two caches for eval are used. One for eval calls |
| 134 // in native contexts and one for eval calls in other contexts. The cache | 134 // in native contexts and one for eval calls in other contexts. The cache |
| 135 // considers the following pieces of information when checking for matching | 135 // considers the following pieces of information when checking for matching |
| 136 // entries: | 136 // entries: |
| 137 // 1. The source string. | 137 // 1. The source string. |
| 138 // 2. The shared function info of the calling function. | 138 // 2. The shared function info of the calling function. |
| 139 // 3. Whether the source should be compiled as strict code or as non-strict | 139 // 3. Whether the source should be compiled as strict code or as sloppy code. |
| 140 // code. | |
| 141 // Note: Currently there are clients of CompileEval that always compile | 140 // Note: Currently there are clients of CompileEval that always compile |
| 142 // non-strict code even if the calling function is a strict mode function. | 141 // sloppy code even if the calling function is a strict mode function. |
| 143 // More specifically these are the CompileString, DebugEvaluate and | 142 // More specifically these are the CompileString, DebugEvaluate and |
| 144 // DebugEvaluateGlobal runtime functions. | 143 // DebugEvaluateGlobal runtime functions. |
| 145 // 4. The start position of the calling scope. | 144 // 4. The start position of the calling scope. |
| 146 class CompilationCacheEval: public CompilationSubCache { | 145 class CompilationCacheEval: public CompilationSubCache { |
| 147 public: | 146 public: |
| 148 CompilationCacheEval(Isolate* isolate, int generations) | 147 CompilationCacheEval(Isolate* isolate, int generations) |
| 149 : CompilationSubCache(isolate, generations) { } | 148 : CompilationSubCache(isolate, generations) { } |
| 150 | 149 |
| 151 Handle<SharedFunctionInfo> Lookup(Handle<String> source, | 150 Handle<SharedFunctionInfo> Lookup(Handle<String> source, |
| 152 Handle<Context> context, | 151 Handle<Context> context, |
| 153 LanguageMode language_mode, | 152 StrictMode strict_mode, |
| 154 int scope_position); | 153 int scope_position); |
| 155 | 154 |
| 156 void Put(Handle<String> source, | 155 void Put(Handle<String> source, |
| 157 Handle<Context> context, | 156 Handle<Context> context, |
| 158 Handle<SharedFunctionInfo> function_info, | 157 Handle<SharedFunctionInfo> function_info, |
| 159 int scope_position); | 158 int scope_position); |
| 160 | 159 |
| 161 private: | 160 private: |
| 162 MUST_USE_RESULT MaybeObject* TryTablePut( | 161 MUST_USE_RESULT MaybeObject* TryTablePut( |
| 163 Handle<String> source, | 162 Handle<String> source, |
| (...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 215 int line_offset, | 214 int line_offset, |
| 216 int column_offset, | 215 int column_offset, |
| 217 bool is_shared_cross_origin, | 216 bool is_shared_cross_origin, |
| 218 Handle<Context> context); | 217 Handle<Context> context); |
| 219 | 218 |
| 220 // Finds the shared function info for a source string for eval in a | 219 // Finds the shared function info for a source string for eval in a |
| 221 // given context. Returns an empty handle if the cache doesn't | 220 // given context. Returns an empty handle if the cache doesn't |
| 222 // contain a script for the given source string. | 221 // contain a script for the given source string. |
| 223 Handle<SharedFunctionInfo> LookupEval(Handle<String> source, | 222 Handle<SharedFunctionInfo> LookupEval(Handle<String> source, |
| 224 Handle<Context> context, | 223 Handle<Context> context, |
| 225 LanguageMode language_mode, | 224 StrictMode strict_mode, |
| 226 int scope_position); | 225 int scope_position); |
| 227 | 226 |
| 228 // Returns the regexp data associated with the given regexp if it | 227 // Returns the regexp data associated with the given regexp if it |
| 229 // is in cache, otherwise an empty handle. | 228 // is in cache, otherwise an empty handle. |
| 230 Handle<FixedArray> LookupRegExp(Handle<String> source, | 229 Handle<FixedArray> LookupRegExp(Handle<String> source, |
| 231 JSRegExp::Flags flags); | 230 JSRegExp::Flags flags); |
| 232 | 231 |
| 233 // Associate the (source, kind) pair to the shared function | 232 // Associate the (source, kind) pair to the shared function |
| 234 // info. This may overwrite an existing mapping. | 233 // info. This may overwrite an existing mapping. |
| 235 void PutScript(Handle<String> source, | 234 void PutScript(Handle<String> source, |
| (...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 295 | 294 |
| 296 friend class Isolate; | 295 friend class Isolate; |
| 297 | 296 |
| 298 DISALLOW_COPY_AND_ASSIGN(CompilationCache); | 297 DISALLOW_COPY_AND_ASSIGN(CompilationCache); |
| 299 }; | 298 }; |
| 300 | 299 |
| 301 | 300 |
| 302 } } // namespace v8::internal | 301 } } // namespace v8::internal |
| 303 | 302 |
| 304 #endif // V8_COMPILATION_CACHE_H_ | 303 #endif // V8_COMPILATION_CACHE_H_ |
| OLD | NEW |