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_FORSTATEMENT 9 #define SKSL_FORSTATEMENT 10 11 #include "src/sksl/ir/SkSLExpression.h" 12 #include "src/sksl/ir/SkSLStatement.h" 13 #include "src/sksl/ir/SkSLSymbolTable.h" 14 15 namespace SkSL { 16 17 /** 18 * A 'for' statement. 19 */ 20 struct ForStatement : public Statement { ForStatementForStatement21 ForStatement(int offset, std::unique_ptr<Statement> initializer, 22 std::unique_ptr<Expression> test, std::unique_ptr<Expression> next, 23 std::unique_ptr<Statement> statement, std::shared_ptr<SymbolTable> symbols) 24 : INHERITED(offset, kFor_Kind) 25 , fSymbols(symbols) 26 , fInitializer(std::move(initializer)) 27 , fTest(std::move(test)) 28 , fNext(std::move(next)) 29 , fStatement(std::move(statement)) {} 30 cloneForStatement31 std::unique_ptr<Statement> clone() const override { 32 return std::unique_ptr<Statement>(new ForStatement(fOffset, fInitializer->clone(), 33 fTest->clone(), fNext->clone(), 34 fStatement->clone(), fSymbols)); 35 } 36 37 #ifdef SK_DEBUG descriptionForStatement38 String description() const override { 39 String result("for ("); 40 if (fInitializer) { 41 result += fInitializer->description(); 42 } 43 result += " "; 44 if (fTest) { 45 result += fTest->description(); 46 } 47 result += "; "; 48 if (fNext) { 49 result += fNext->description(); 50 } 51 result += ") " + fStatement->description(); 52 return result; 53 } 54 #endif 55 56 // it's important to keep fSymbols defined first (and thus destroyed last) because destroying 57 // the other fields can update symbol reference counts 58 const std::shared_ptr<SymbolTable> fSymbols; 59 std::unique_ptr<Statement> fInitializer; 60 std::unique_ptr<Expression> fTest; 61 std::unique_ptr<Expression> fNext; 62 std::unique_ptr<Statement> fStatement; 63 64 typedef Statement INHERITED; 65 }; 66 67 } // namespace 68 69 #endif 70