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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.
#include "include/private/SkSLIRNode.h"
#include "include/private/SkSLStatement.h"
#include "src/sksl/ir/SkSLExpression.h"
#include <memory>
#include <string>
#include <utility>
namespace SkSL {
class Context;
* A lone expression being used as a statement.
class ExpressionStatement final : public Statement {
inline static constexpr Kind kIRNodeKind = Kind::kExpression;
ExpressionStatement(std::unique_ptr<Expression> expression)
: INHERITED(expression->fPosition, kIRNodeKind)
, fExpression(std::move(expression)) {}
// Creates an SkSL expression-statement; reports errors via ErrorReporter.
static std::unique_ptr<Statement> Convert(const Context& context,
std::unique_ptr<Expression> expr);
// Creates an SkSL expression-statement; reports errors via assertion.
static std::unique_ptr<Statement> Make(const Context& context,
std::unique_ptr<Expression> expr);
const std::unique_ptr<Expression>& expression() const {
return fExpression;
std::unique_ptr<Expression>& expression() {
return fExpression;
std::unique_ptr<Statement> clone() const override {
return std::make_unique<ExpressionStatement>(this->expression()->clone());
std::string description() const override {
return this->expression()->description() + ";";
std::unique_ptr<Expression> fExpression;
using INHERITED = Statement;
} // namespace SkSL