| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_PARSING_PREPARSE_DATA_H_ |
| #define V8_PARSING_PREPARSE_DATA_H_ |
| |
| #include "src/allocation.h" |
| #include "src/base/hashmap.h" |
| #include "src/collector.h" |
| #include "src/messages.h" |
| #include "src/parsing/preparse-data-format.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class ScriptData { |
| public: |
| ScriptData(const byte* data, int length); |
| ~ScriptData() { |
| if (owns_data_) DeleteArray(data_); |
| } |
| |
| const byte* data() const { return data_; } |
| int length() const { return length_; } |
| bool rejected() const { return rejected_; } |
| |
| void Reject() { rejected_ = true; } |
| |
| void AcquireDataOwnership() { |
| DCHECK(!owns_data_); |
| owns_data_ = true; |
| } |
| |
| void ReleaseDataOwnership() { |
| DCHECK(owns_data_); |
| owns_data_ = false; |
| } |
| |
| private: |
| bool owns_data_ : 1; |
| bool rejected_ : 1; |
| const byte* data_; |
| int length_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScriptData); |
| }; |
| |
| class PreParserLogger final { |
| public: |
| PreParserLogger() |
| : end_(-1), |
| num_parameters_(-1), |
| function_length_(-1), |
| has_duplicate_parameters_(false), |
| num_inner_functions_(-1) {} |
| |
| void LogFunction(int end, int num_parameters, int function_length, |
| bool has_duplicate_parameters, int literals, int properties, |
| int num_inner_functions) { |
| end_ = end; |
| num_parameters_ = num_parameters; |
| function_length_ = function_length; |
| has_duplicate_parameters_ = has_duplicate_parameters; |
| literals_ = literals; |
| properties_ = properties; |
| num_inner_functions_ = num_inner_functions; |
| } |
| |
| int end() const { return end_; } |
| int num_parameters() const { |
| return num_parameters_; |
| } |
| int function_length() const { |
| return function_length_; |
| } |
| bool has_duplicate_parameters() const { |
| return has_duplicate_parameters_; |
| } |
| int literals() const { |
| return literals_; |
| } |
| int properties() const { |
| return properties_; |
| } |
| int num_inner_functions() const { return num_inner_functions_; } |
| |
| private: |
| int end_; |
| // For function entries. |
| int num_parameters_; |
| int function_length_; |
| bool has_duplicate_parameters_; |
| int literals_; |
| int properties_; |
| int num_inner_functions_; |
| }; |
| |
| class ParserLogger final { |
| public: |
| ParserLogger(); |
| |
| void LogFunction(int start, int end, int num_parameters, int function_length, |
| bool has_duplicate_parameters, int literals, int properties, |
| LanguageMode language_mode, bool uses_super_property, |
| bool calls_eval, int num_inner_functions); |
| |
| ScriptData* GetScriptData(); |
| |
| private: |
| Collector<unsigned> function_store_; |
| unsigned preamble_[PreparseDataConstants::kHeaderSize]; |
| |
| #ifdef DEBUG |
| int prev_start_; |
| #endif |
| }; |
| |
| |
| } // namespace internal |
| } // namespace v8. |
| |
| #endif // V8_PARSING_PREPARSE_DATA_H_ |