/*
 * Copyright 2017 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "SkSLSetting.h"
#include "SkSLIRGenerator.h"
#include "SkSLVariableReference.h"

namespace SkSL {

std::unique_ptr<Expression> Setting::constantPropagate(const IRGenerator& irGenerator,
                                                       const DefinitionMap& definitions) {
        if (irGenerator.fSettings->fReplaceSettings) {
            return VariableReference::copy_constant(irGenerator, fValue.get());
        }
        return nullptr;
    }
} // namespace