1 /* 2 * Copyright 2017 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_SWITCHSTATEMENT 9 #define SKSL_SWITCHSTATEMENT 10 11 #include "SkSLStatement.h" 12 #include "SkSLSwitchCase.h" 13 14 namespace SkSL { 15 16 /** 17 * A 'switch' statement. 18 */ 19 struct SwitchStatement : public Statement { SwitchStatementSwitchStatement20 SwitchStatement(Position position, bool isStatic, std::unique_ptr<Expression> value, 21 std::vector<std::unique_ptr<SwitchCase>> cases, 22 const std::shared_ptr<SymbolTable> symbols) 23 : INHERITED(position, kSwitch_Kind) 24 , fIsStatic(isStatic) 25 , fValue(std::move(value)) 26 , fSymbols(std::move(symbols)) 27 , fCases(std::move(cases)) {} 28 descriptionSwitchStatement29 String description() const override { 30 String result; 31 if (fIsStatic) { 32 result += "@"; 33 } 34 result += String::printf("switch (%s) {\n", fValue->description().c_str()); 35 for (const auto& c : fCases) { 36 result += c->description(); 37 } 38 result += "}"; 39 return result; 40 } 41 42 bool fIsStatic; 43 std::unique_ptr<Expression> fValue; 44 // it's important to keep fCases defined after (and thus destroyed before) fSymbols, because 45 // destroying statements can modify reference counts in symbols 46 const std::shared_ptr<SymbolTable> fSymbols; 47 std::vector<std::unique_ptr<SwitchCase>> fCases; 48 49 typedef Statement INHERITED; 50 }; 51 52 } // namespace 53 54 #endif 55