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_DISCARDSTATEMENT 9 #define SKSL_DISCARDSTATEMENT 10 11 #include "include/private/SkSLIRNode.h" 12 #include "include/private/SkSLStatement.h" 13 #include "include/sksl/SkSLPosition.h" 14 15 #include <memory> 16 #include <string> 17 18 namespace SkSL { 19 20 class Context; 21 22 /** 23 * A 'discard' statement. 24 */ 25 class DiscardStatement final : public Statement { 26 public: 27 inline static constexpr Kind kIRNodeKind = Kind::kDiscard; 28 DiscardStatement(Position pos)29 DiscardStatement(Position pos) : INHERITED(pos, kIRNodeKind) {} 30 31 // Creates a discard-statement; reports errors via ErrorReporter. 32 static std::unique_ptr<Statement> Convert(const Context& context, Position pos); 33 34 // Creates a discard-statement; reports errors via SkASSERT. 35 static std::unique_ptr<Statement> Make(const Context& context, Position pos); 36 37 std::unique_ptr<Statement> clone() const override; 38 description()39 std::string description() const override { 40 return "discard;"; 41 } 42 43 private: 44 using INHERITED = Statement; 45 }; 46 47 } // namespace SkSL 48 49 #endif 50