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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_PREPARSE_DATA_H_ | 5 #ifndef V8_PREPARSE_DATA_H_ |
| 6 #define V8_PREPARSE_DATA_H_ | 6 #define V8_PREPARSE_DATA_H_ |
| 7 | 7 |
| 8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
| 9 #include "src/hashmap.h" | 9 #include "src/hashmap.h" |
| 10 #include "src/messages.h" | 10 #include "src/messages.h" |
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| 47 | 47 |
| 48 // Abstract interface for preparse data recorder. | 48 // Abstract interface for preparse data recorder. |
| 49 class ParserRecorder { | 49 class ParserRecorder { |
| 50 public: | 50 public: |
| 51 ParserRecorder() { } | 51 ParserRecorder() { } |
| 52 virtual ~ParserRecorder() { } | 52 virtual ~ParserRecorder() { } |
| 53 | 53 |
| 54 // Logs the scope and some details of a function literal in the source. | 54 // Logs the scope and some details of a function literal in the source. |
| 55 virtual void LogFunction(int start, int end, int literals, int properties, | 55 virtual void LogFunction(int start, int end, int literals, int properties, |
| 56 LanguageMode language_mode, | 56 LanguageMode language_mode, |
| 57 bool uses_super_property) = 0; | 57 bool needs_home_object) = 0; |
| 58 | 58 |
| 59 // Logs an error message and marks the log as containing an error. | 59 // Logs an error message and marks the log as containing an error. |
| 60 // Further logging will be ignored, and ExtractData will return a vector | 60 // Further logging will be ignored, and ExtractData will return a vector |
| 61 // representing the error only. | 61 // representing the error only. |
| 62 virtual void LogMessage(int start, int end, MessageTemplate::Template message, | 62 virtual void LogMessage(int start, int end, MessageTemplate::Template message, |
| 63 const char* argument_opt, | 63 const char* argument_opt, |
| 64 ParseErrorType error_type) = 0; | 64 ParseErrorType error_type) = 0; |
| 65 | 65 |
| 66 private: | 66 private: |
| 67 DISALLOW_COPY_AND_ASSIGN(ParserRecorder); | 67 DISALLOW_COPY_AND_ASSIGN(ParserRecorder); |
| 68 }; | 68 }; |
| 69 | 69 |
| 70 | 70 |
| 71 class SingletonLogger : public ParserRecorder { | 71 class SingletonLogger : public ParserRecorder { |
| 72 public: | 72 public: |
| 73 SingletonLogger() | 73 SingletonLogger() |
| 74 : has_error_(false), start_(-1), end_(-1), error_type_(kSyntaxError) {} | 74 : has_error_(false), start_(-1), end_(-1), error_type_(kSyntaxError) {} |
| 75 virtual ~SingletonLogger() {} | 75 virtual ~SingletonLogger() {} |
| 76 | 76 |
| 77 void Reset() { has_error_ = false; } | 77 void Reset() { has_error_ = false; } |
| 78 | 78 |
| 79 virtual void LogFunction(int start, int end, int literals, int properties, | 79 virtual void LogFunction(int start, int end, int literals, int properties, |
| 80 LanguageMode language_mode, | 80 LanguageMode language_mode, bool needs_home_object) { |
| 81 bool scope_uses_super_property) { | |
| 82 DCHECK(!has_error_); | 81 DCHECK(!has_error_); |
| 83 start_ = start; | 82 start_ = start; |
| 84 end_ = end; | 83 end_ = end; |
| 85 literals_ = literals; | 84 literals_ = literals; |
| 86 properties_ = properties; | 85 properties_ = properties; |
| 87 language_mode_ = language_mode; | 86 language_mode_ = language_mode; |
| 88 scope_uses_super_property_ = scope_uses_super_property; | 87 needs_home_object_ = needs_home_object; |
| 89 } | 88 } |
| 90 | 89 |
| 91 // Logs an error message and marks the log as containing an error. | 90 // Logs an error message and marks the log as containing an error. |
| 92 // Further logging will be ignored, and ExtractData will return a vector | 91 // Further logging will be ignored, and ExtractData will return a vector |
| 93 // representing the error only. | 92 // representing the error only. |
| 94 virtual void LogMessage(int start, int end, MessageTemplate::Template message, | 93 virtual void LogMessage(int start, int end, MessageTemplate::Template message, |
| 95 const char* argument_opt, ParseErrorType error_type) { | 94 const char* argument_opt, ParseErrorType error_type) { |
| 96 if (has_error_) return; | 95 if (has_error_) return; |
| 97 has_error_ = true; | 96 has_error_ = true; |
| 98 start_ = start; | 97 start_ = start; |
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| 111 return literals_; | 110 return literals_; |
| 112 } | 111 } |
| 113 int properties() const { | 112 int properties() const { |
| 114 DCHECK(!has_error_); | 113 DCHECK(!has_error_); |
| 115 return properties_; | 114 return properties_; |
| 116 } | 115 } |
| 117 LanguageMode language_mode() const { | 116 LanguageMode language_mode() const { |
| 118 DCHECK(!has_error_); | 117 DCHECK(!has_error_); |
| 119 return language_mode_; | 118 return language_mode_; |
| 120 } | 119 } |
| 121 bool scope_uses_super_property() const { | 120 bool needs_home_object() const { |
| 122 DCHECK(!has_error_); | 121 DCHECK(!has_error_); |
| 123 return scope_uses_super_property_; | 122 return needs_home_object_; |
| 124 } | 123 } |
| 125 ParseErrorType error_type() const { | 124 ParseErrorType error_type() const { |
| 126 DCHECK(has_error_); | 125 DCHECK(has_error_); |
| 127 return error_type_; | 126 return error_type_; |
| 128 } | 127 } |
| 129 MessageTemplate::Template message() { | 128 MessageTemplate::Template message() { |
| 130 DCHECK(has_error_); | 129 DCHECK(has_error_); |
| 131 return message_; | 130 return message_; |
| 132 } | 131 } |
| 133 const char* argument_opt() const { | 132 const char* argument_opt() const { |
| 134 DCHECK(has_error_); | 133 DCHECK(has_error_); |
| 135 return argument_opt_; | 134 return argument_opt_; |
| 136 } | 135 } |
| 137 | 136 |
| 138 private: | 137 private: |
| 139 bool has_error_; | 138 bool has_error_; |
| 140 int start_; | 139 int start_; |
| 141 int end_; | 140 int end_; |
| 142 // For function entries. | 141 // For function entries. |
| 143 int literals_; | 142 int literals_; |
| 144 int properties_; | 143 int properties_; |
| 145 LanguageMode language_mode_; | 144 LanguageMode language_mode_; |
| 146 bool scope_uses_super_property_; | 145 bool needs_home_object_; |
| 147 // For error messages. | 146 // For error messages. |
| 148 MessageTemplate::Template message_; | 147 MessageTemplate::Template message_; |
| 149 const char* argument_opt_; | 148 const char* argument_opt_; |
| 150 ParseErrorType error_type_; | 149 ParseErrorType error_type_; |
| 151 }; | 150 }; |
| 152 | 151 |
| 153 | 152 |
| 154 class CompleteParserRecorder : public ParserRecorder { | 153 class CompleteParserRecorder : public ParserRecorder { |
| 155 public: | 154 public: |
| 156 struct Key { | 155 struct Key { |
| 157 bool is_one_byte; | 156 bool is_one_byte; |
| 158 Vector<const byte> literal_bytes; | 157 Vector<const byte> literal_bytes; |
| 159 }; | 158 }; |
| 160 | 159 |
| 161 CompleteParserRecorder(); | 160 CompleteParserRecorder(); |
| 162 virtual ~CompleteParserRecorder() {} | 161 virtual ~CompleteParserRecorder() {} |
| 163 | 162 |
| 164 virtual void LogFunction(int start, int end, int literals, int properties, | 163 virtual void LogFunction(int start, int end, int literals, int properties, |
| 165 LanguageMode language_mode, | 164 LanguageMode language_mode, bool needs_home_object) { |
| 166 bool scope_uses_super_property) { | |
| 167 function_store_.Add(start); | 165 function_store_.Add(start); |
| 168 function_store_.Add(end); | 166 function_store_.Add(end); |
| 169 function_store_.Add(literals); | 167 function_store_.Add(literals); |
| 170 function_store_.Add(properties); | 168 function_store_.Add(properties); |
| 171 function_store_.Add(language_mode); | 169 function_store_.Add(language_mode); |
| 172 function_store_.Add(scope_uses_super_property); | 170 function_store_.Add(needs_home_object); |
| 173 } | 171 } |
| 174 | 172 |
| 175 // Logs an error message and marks the log as containing an error. | 173 // Logs an error message and marks the log as containing an error. |
| 176 // Further logging will be ignored, and ExtractData will return a vector | 174 // Further logging will be ignored, and ExtractData will return a vector |
| 177 // representing the error only. | 175 // representing the error only. |
| 178 virtual void LogMessage(int start, int end, MessageTemplate::Template message, | 176 virtual void LogMessage(int start, int end, MessageTemplate::Template message, |
| 179 const char* argument_opt, ParseErrorType error_type); | 177 const char* argument_opt, ParseErrorType error_type); |
| 180 ScriptData* GetScriptData(); | 178 ScriptData* GetScriptData(); |
| 181 | 179 |
| 182 bool HasError() { | 180 bool HasError() { |
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| 195 | 193 |
| 196 #ifdef DEBUG | 194 #ifdef DEBUG |
| 197 int prev_start_; | 195 int prev_start_; |
| 198 #endif | 196 #endif |
| 199 }; | 197 }; |
| 200 | 198 |
| 201 | 199 |
| 202 } } // namespace v8::internal. | 200 } } // namespace v8::internal. |
| 203 | 201 |
| 204 #endif // V8_PREPARSE_DATA_H_ | 202 #endif // V8_PREPARSE_DATA_H_ |
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