1 // Copyright 2013 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_OPERATOR_PROPERTIES_H_ 6 #define V8_COMPILER_OPERATOR_PROPERTIES_H_ 7 8 #include "src/base/macros.h" 9 10 namespace v8 { 11 namespace internal { 12 namespace compiler { 13 14 // Forward declarations. 15 class Operator; 16 17 18 class OperatorProperties final { 19 public: 20 static bool HasContextInput(const Operator* op); 21 static int GetContextInputCount(const Operator* op) { 22 return HasContextInput(op) ? 1 : 0; 23 } 24 static int GetFrameStateInputCount(const Operator* op); 25 26 static int GetTotalInputCount(const Operator* op); 27 28 static bool IsBasicBlockBegin(const Operator* op); 29 30 private: 31 DISALLOW_COPY_AND_ASSIGN(OperatorProperties); 32 }; 33 34 } // namespace compiler 35 } // namespace internal 36 } // namespace v8 37 38 #endif // V8_COMPILER_OPERATOR_PROPERTIES_H_ 39
