1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SKSL_STATEMENT 9 #define SKSL_STATEMENT 10 11 #include "src/sksl/ir/SkSLIRNode.h" 12 #include "src/sksl/ir/SkSLSymbol.h" 13 14 namespace SkSL { 15 16 /** 17 * Abstract supertype of all statements. 18 */ 19 class Statement : public IRNode { 20 public: 21 using Kind = StatementKind; 22 Statement(Position pos,Kind kind)23 Statement(Position pos, Kind kind) 24 : INHERITED(pos, (int) kind) { 25 SkASSERT(kind >= Kind::kFirst && kind <= Kind::kLast); 26 } 27 kind()28 Kind kind() const { 29 return (Kind) fKind; 30 } 31 isEmpty()32 virtual bool isEmpty() const { 33 return false; 34 } 35 36 private: 37 using INHERITED = IRNode; 38 }; 39 40 } // namespace SkSL 41 42 #endif 43