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/*
* 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