SkSLNop.h

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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_NOP
#define SKSL_NOP
 
#include "src/sksl/ir/SkSLStatement.h"
#include "src/sksl/ir/SkSLSymbolTable.h"
 
namespace SkSL {
 
/**
 * A no-op statement that does nothing.
 */
class Nop final : public Statement {
public:
    inline static constexpr Kind kIRNodeKind = Kind::kNop;
 
    Nop()
    : INHERITED(Position(), kIRNodeKind) {}
 
    static std::unique_ptr<Statement> Make() {
        return std::make_unique<Nop>();
    }
 
    bool isEmpty() const override {
        return true;
    }
 
    std::string description() const override {
        return ";";
    }
 
private:
    using INHERITED = Statement;
};
 
}  // namespace SkSL
 
#endif