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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_FORSTATEMENT
#define SKSL_FORSTATEMENT
#include "SkSLExpression.h"
#include "SkSLStatement.h"
#include "SkSLSymbolTable.h"
namespace SkSL {
/**
* A 'for' statement.
*/
struct ForStatement : public Statement {
ForStatement(int offset, std::unique_ptr<Statement> initializer,
std::unique_ptr<Expression> test, std::unique_ptr<Expression> next,
std::unique_ptr<Statement> statement, std::shared_ptr<SymbolTable> symbols)
: INHERITED(offset, kFor_Kind)
, fSymbols(symbols)
, fInitializer(std::move(initializer))
, fTest(std::move(test))
, fNext(std::move(next))
, fStatement(std::move(statement)) {}
std::unique_ptr<Statement> clone() const override {
return std::unique_ptr<Statement>(new ForStatement(fOffset, fInitializer->clone(),
fTest->clone(), fNext->clone(),
fStatement->clone(), fSymbols));
}
String description() const override {
String result("for (");
if (fInitializer) {
result += fInitializer->description();
}
result += " ";
if (fTest) {
result += fTest->description();
}
result += "; ";
if (fNext) {
result += fNext->description();
}
result += ") " + fStatement->description();
return result;
}
// it's important to keep fSymbols defined first (and thus destroyed last) because destroying
// the other fields can update symbol reference counts
const std::shared_ptr<SymbolTable> fSymbols;
std::unique_ptr<Statement> fInitializer;
std::unique_ptr<Expression> fTest;
std::unique_ptr<Expression> fNext;
std::unique_ptr<Statement> fStatement;
typedef Statement INHERITED;
};
} // namespace
#endif
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