| // Copyright 2013 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_COMPILER_OPERATOR_PROPERTIES_H_ |
| #define V8_COMPILER_OPERATOR_PROPERTIES_H_ |
| |
| #include "src/base/macros.h" |
| #include "src/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| class Operator; |
| |
| class V8_EXPORT_PRIVATE OperatorProperties final { |
| public: |
| static bool HasContextInput(const Operator* op); |
| static int GetContextInputCount(const Operator* op) { |
| return HasContextInput(op) ? 1 : 0; |
| } |
| |
| static bool HasFrameStateInput(const Operator* op); |
| static int GetFrameStateInputCount(const Operator* op) { |
| return HasFrameStateInput(op) ? 1 : 0; |
| } |
| |
| static int GetTotalInputCount(const Operator* op); |
| |
| static bool IsBasicBlockBegin(const Operator* op); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(OperatorProperties); |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_OPERATOR_PROPERTIES_H_ |