| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_IFSTATEMENT |
| #define SKSL_IFSTATEMENT |
| |
| #include "src/sksl/ir/SkSLExpression.h" |
| #include "src/sksl/ir/SkSLStatement.h" |
| |
| namespace SkSL { |
| |
| /** |
| * An 'if' statement. |
| */ |
| struct IfStatement : public Statement { |
| IfStatement(int offset, bool isStatic, std::unique_ptr<Expression> test, |
| std::unique_ptr<Statement> ifTrue, std::unique_ptr<Statement> ifFalse) |
| : INHERITED(offset, kIf_Kind) |
| , fIsStatic(isStatic) |
| , fTest(std::move(test)) |
| , fIfTrue(std::move(ifTrue)) |
| , fIfFalse(std::move(ifFalse)) {} |
| |
| int nodeCount() const override { |
| return 1 + fTest->nodeCount() + fIfTrue->nodeCount() + |
| (fIfFalse ? fIfFalse->nodeCount() : 0); |
| } |
| |
| std::unique_ptr<Statement> clone() const override { |
| return std::unique_ptr<Statement>(new IfStatement(fOffset, fIsStatic, fTest->clone(), |
| fIfTrue->clone(), fIfFalse ? fIfFalse->clone() : nullptr)); |
| } |
| |
| String description() const override { |
| String result; |
| if (fIsStatic) { |
| result += "@"; |
| } |
| result += "if (" + fTest->description() + ") " + fIfTrue->description(); |
| if (fIfFalse) { |
| result += " else " + fIfFalse->description(); |
| } |
| return result; |
| } |
| |
| bool fIsStatic; |
| std::unique_ptr<Expression> fTest; |
| std::unique_ptr<Statement> fIfTrue; |
| // may be null |
| std::unique_ptr<Statement> fIfFalse; |
| |
| typedef Statement INHERITED; |
| }; |
| |
| } // namespace |
| |
| #endif |