var_usage_visitor.hpp

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/*
 * Copyright 2023 Blue Brain Project, EPFL.
 * See the top-level LICENSE file for details.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
/**
 * \file
 * \brief \copybrief nmodl::visitor::VarUsageVisitor
 */
 
#include <string>
 
#include "visitors/ast_visitor.hpp"
 
 
namespace nmodl {
namespace visitor {
 
/**
 * \addtogroup visitor_classes
 * \{
 */
 
/**
 * \class VarUsageVisitor
 * \brief Check if variable is used in given block
 *
 * \todo Check if macro is considered as variable
 */
 
class VarUsageVisitor: protected ConstAstVisitor {
  private:
    /// variable to check usage
    std::string var_name;
    bool used = false;
 
    void visit_name(const ast::Name& node) override;
 
  public:
    VarUsageVisitor() = default;
 
    bool variable_used(const ast::Node& node, std::string name);
};
 
/** \} */  // end of visitor_classes
 
}  // namespace visitor
}  // namespace nmodl