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_RETURNSTATEMENT 9 #define SKSL_RETURNSTATEMENT 10 11 #include "SkSLExpression.h" 12 #include "SkSLStatement.h" 13 14 namespace SkSL { 15 16 /** 17 * A 'return' statement. 18 */ 19 struct ReturnStatement : public Statement { ReturnStatementReturnStatement20 ReturnStatement(int offset) 21 : INHERITED(offset, kReturn_Kind) {} 22 ReturnStatementReturnStatement23 ReturnStatement(std::unique_ptr<Expression> expression) 24 : INHERITED(expression->fOffset, kReturn_Kind) 25 , fExpression(std::move(expression)) {} 26 cloneReturnStatement27 std::unique_ptr<Statement> clone() const override { 28 if (fExpression) { 29 return std::unique_ptr<Statement>(new ReturnStatement(fExpression->clone())); 30 } 31 return std::unique_ptr<Statement>(new ReturnStatement(fOffset)); 32 } 33 descriptionReturnStatement34 String description() const override { 35 if (fExpression) { 36 return "return " + fExpression->description() + ";"; 37 } else { 38 return String("return;"); 39 } 40 } 41 42 std::unique_ptr<Expression> fExpression; 43 44 typedef Statement INHERITED; 45 }; 46 47 } // namespace 48 49 #endif 50