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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 |
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91 | 91 |
92 | 92 |
93 // Sub-cache for scripts. | 93 // Sub-cache for scripts. |
94 class CompilationCacheScript : public CompilationSubCache { | 94 class CompilationCacheScript : public CompilationSubCache { |
95 public: | 95 public: |
96 CompilationCacheScript(Isolate* isolate, int generations); | 96 CompilationCacheScript(Isolate* isolate, int generations); |
97 | 97 |
98 Handle<SharedFunctionInfo> Lookup(Handle<String> source, | 98 Handle<SharedFunctionInfo> Lookup(Handle<String> source, |
99 Handle<Object> name, | 99 Handle<Object> name, |
100 int line_offset, | 100 int line_offset, |
101 int column_offset); | 101 int column_offset, |
102 void Put(Handle<String> source, Handle<SharedFunctionInfo> function_info); | 102 Handle<Context> context); |
| 103 void Put(Handle<String> source, |
| 104 Handle<Context> context, |
| 105 Handle<SharedFunctionInfo> function_info); |
103 | 106 |
104 private: | 107 private: |
105 MUST_USE_RESULT MaybeObject* TryTablePut( | 108 MUST_USE_RESULT MaybeObject* TryTablePut( |
106 Handle<String> source, Handle<SharedFunctionInfo> function_info); | 109 Handle<String> source, |
| 110 Handle<Context> context, |
| 111 Handle<SharedFunctionInfo> function_info); |
107 | 112 |
108 // Note: Returns a new hash table if operation results in expansion. | 113 // Note: Returns a new hash table if operation results in expansion. |
109 Handle<CompilationCacheTable> TablePut( | 114 Handle<CompilationCacheTable> TablePut( |
110 Handle<String> source, Handle<SharedFunctionInfo> function_info); | 115 Handle<String> source, |
| 116 Handle<Context> context, |
| 117 Handle<SharedFunctionInfo> function_info); |
111 | 118 |
112 bool HasOrigin(Handle<SharedFunctionInfo> function_info, | 119 bool HasOrigin(Handle<SharedFunctionInfo> function_info, |
113 Handle<Object> name, | 120 Handle<Object> name, |
114 int line_offset, | 121 int line_offset, |
115 int column_offset); | 122 int column_offset); |
116 | 123 |
117 void* script_histogram_; | 124 void* script_histogram_; |
118 bool script_histogram_initialized_; | 125 bool script_histogram_initialized_; |
119 | 126 |
120 DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript); | 127 DISALLOW_IMPLICIT_CONSTRUCTORS(CompilationCacheScript); |
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197 // the source string as the key. For regular expressions the | 204 // the source string as the key. For regular expressions the |
198 // compilation data is cached. | 205 // compilation data is cached. |
199 class CompilationCache { | 206 class CompilationCache { |
200 public: | 207 public: |
201 // Finds the script shared function info for a source | 208 // Finds the script shared function info for a source |
202 // string. Returns an empty handle if the cache doesn't contain a | 209 // string. Returns an empty handle if the cache doesn't contain a |
203 // script for the given source string with the right origin. | 210 // script for the given source string with the right origin. |
204 Handle<SharedFunctionInfo> LookupScript(Handle<String> source, | 211 Handle<SharedFunctionInfo> LookupScript(Handle<String> source, |
205 Handle<Object> name, | 212 Handle<Object> name, |
206 int line_offset, | 213 int line_offset, |
207 int column_offset); | 214 int column_offset, |
| 215 Handle<Context> context); |
208 | 216 |
209 // Finds the shared function info for a source string for eval in a | 217 // Finds the shared function info for a source string for eval in a |
210 // given context. Returns an empty handle if the cache doesn't | 218 // given context. Returns an empty handle if the cache doesn't |
211 // contain a script for the given source string. | 219 // contain a script for the given source string. |
212 Handle<SharedFunctionInfo> LookupEval(Handle<String> source, | 220 Handle<SharedFunctionInfo> LookupEval(Handle<String> source, |
213 Handle<Context> context, | 221 Handle<Context> context, |
214 bool is_global, | 222 bool is_global, |
215 LanguageMode language_mode, | 223 LanguageMode language_mode, |
216 int scope_position); | 224 int scope_position); |
217 | 225 |
218 // Returns the regexp data associated with the given regexp if it | 226 // Returns the regexp data associated with the given regexp if it |
219 // is in cache, otherwise an empty handle. | 227 // is in cache, otherwise an empty handle. |
220 Handle<FixedArray> LookupRegExp(Handle<String> source, | 228 Handle<FixedArray> LookupRegExp(Handle<String> source, |
221 JSRegExp::Flags flags); | 229 JSRegExp::Flags flags); |
222 | 230 |
223 // Associate the (source, kind) pair to the shared function | 231 // Associate the (source, kind) pair to the shared function |
224 // info. This may overwrite an existing mapping. | 232 // info. This may overwrite an existing mapping. |
225 void PutScript(Handle<String> source, | 233 void PutScript(Handle<String> source, |
| 234 Handle<Context> context, |
226 Handle<SharedFunctionInfo> function_info); | 235 Handle<SharedFunctionInfo> function_info); |
227 | 236 |
228 // Associate the (source, context->closure()->shared(), kind) triple | 237 // Associate the (source, context->closure()->shared(), kind) triple |
229 // with the shared function info. This may overwrite an existing mapping. | 238 // with the shared function info. This may overwrite an existing mapping. |
230 void PutEval(Handle<String> source, | 239 void PutEval(Handle<String> source, |
231 Handle<Context> context, | 240 Handle<Context> context, |
232 bool is_global, | 241 bool is_global, |
233 Handle<SharedFunctionInfo> function_info, | 242 Handle<SharedFunctionInfo> function_info, |
234 int scope_position); | 243 int scope_position); |
235 | 244 |
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285 | 294 |
286 friend class Isolate; | 295 friend class Isolate; |
287 | 296 |
288 DISALLOW_COPY_AND_ASSIGN(CompilationCache); | 297 DISALLOW_COPY_AND_ASSIGN(CompilationCache); |
289 }; | 298 }; |
290 | 299 |
291 | 300 |
292 } } // namespace v8::internal | 301 } } // namespace v8::internal |
293 | 302 |
294 #endif // V8_COMPILATION_CACHE_H_ | 303 #endif // V8_COMPILATION_CACHE_H_ |
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