SkSLPoison.h

Go to the documentation of this file.

/*
 * Copyright 2021 Google LLC.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef SkSLPoison_DEFINED
#define SkSLPoison_DEFINED
 
#include "src/sksl/SkSLBuiltinTypes.h"
#include "src/sksl/SkSLCompiler.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/ir/SkSLExpression.h"
 
namespace SkSL {
 
class Poison : public Expression {
public:
    inline static constexpr Kind kIRNodeKind = Kind::kPoison;
 
    static std::unique_ptr<Expression> Make(Position pos, const Context& context) {
        return std::make_unique<Poison>(pos, context.fTypes.fPoison.get());
    }
 
    Poison(Position pos, const Type* type)
        : INHERITED(pos, kIRNodeKind, type) {}
 
    std::unique_ptr<Expression> clone(Position pos) const override {
        return std::make_unique<Poison>(pos, &this->type());
    }
 
    std::string description(OperatorPrecedence) const override {
        return Compiler::POISON_TAG;
    }
 
private:
    using INHERITED = Expression;
};
 
} // namespace SkSL
 
#endif  // SkSLPoison_DEFINED