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_ASTRETURNSTATEMENT 9 #define SKSL_ASTRETURNSTATEMENT 10 11 #include "SkSLASTStatement.h" 12 13 namespace SkSL { 14 15 /** 16 * A 'return' statement. 17 */ 18 struct ASTReturnStatement : public ASTStatement { 19 // expression may be null ASTReturnStatementASTReturnStatement20 ASTReturnStatement(Position position, std::unique_ptr<ASTExpression> expression) 21 : INHERITED(position, kReturn_Kind) 22 , fExpression(std::move(expression)) {} 23 descriptionASTReturnStatement24 String description() const override { 25 String result("return"); 26 if (fExpression) { 27 result += " " + fExpression->description(); 28 } 29 return result + ";"; 30 } 31 32 const std::unique_ptr<ASTExpression> fExpression; 33 34 typedef ASTStatement INHERITED; 35 }; 36 37 } // namespace 38 39 #endif 40