1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_COMPILER_TYPE_HINT_ANALYZER_H_ 6 #define V8_COMPILER_TYPE_HINT_ANALYZER_H_ 7 8 #include "src/handles.h" 9 #include "src/type-hints.h" 10 #include "src/zone/zone-containers.h" 11 12 namespace v8 { 13 namespace internal { 14 namespace compiler { 15 16 // The result of analyzing type hints. 17 class TypeHintAnalysis final : public ZoneObject { 18 public: 19 typedef ZoneMap<TypeFeedbackId, Handle<Code>> Infos; 20 TypeHintAnalysis(Infos const & infos,Zone * zone)21 explicit TypeHintAnalysis(Infos const& infos, Zone* zone) 22 : infos_(infos), zone_(zone) {} 23 24 bool GetBinaryOperationHint(TypeFeedbackId id, 25 BinaryOperationHint* hint) const; 26 bool GetCompareOperationHint(TypeFeedbackId id, 27 CompareOperationHint* hint) const; 28 bool GetToBooleanHints(TypeFeedbackId id, ToBooleanHints* hints) const; 29 30 private: zone()31 Zone* zone() const { return zone_; } 32 33 Infos const infos_; 34 Zone* zone_; 35 }; 36 37 38 // The class that performs type hint analysis on the fullcodegen code object. 39 class TypeHintAnalyzer final { 40 public: TypeHintAnalyzer(Zone * zone)41 explicit TypeHintAnalyzer(Zone* zone) : zone_(zone) {} 42 43 TypeHintAnalysis* Analyze(Handle<Code> code); 44 45 private: zone()46 Zone* zone() const { return zone_; } 47 48 Zone* const zone_; 49 50 DISALLOW_COPY_AND_ASSIGN(TypeHintAnalyzer); 51 }; 52 53 } // namespace compiler 54 } // namespace internal 55 } // namespace v8 56 57 #endif // V8_COMPILER_TYPE_HINT_ANALYZER_H_ 58