ctrump/parser/EnumType.hpp

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/*
 Copyright (c) 2009, National Institute of Advanced Industrial Science
 and Technology.  All rights reserved.
 
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     notice, this list of conditions and the following disclaimer.
 
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
 
   * Neither the name of Fixstars Corporation nor the names of its
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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*/

#ifndef CFRONT_ENUM_TYPE_H
#define CFRONT_ENUM_TYPE_H

#include <vector>

namespace cfront {

struct EnumConstant {
    std::string name;
    ConstantValue value;
    EnumConstant(const std::string& n, const ConstantValue& v)
        : name(n), value(v) {}
};

typedef std::vector<EnumConstant> EnumConstants;


class EnumDefinition : public Type::Definition {
public:
    explicit EnumDefinition(const std::string& name) : name_(name) {}

    const EnumConstants& getConsts() const
    {
        return consts_;
    }

    const std::string& getName() const
    {
        return name_;
    }

    void addConst(const std::string& name, const ConstantValue& value)
    {
        consts_.push_back(EnumConstant(name, value));
    }

private:
    EnumConstants consts_;
    std::string name_;
};


class EnumType : public Type {
public:
    explicit EnumType(EnumDefinition* def, QualFlags qf = 0)
        : definition_(def), qualFlags_(qf) {}
    EnumType(const EnumType& other)
        : Type(other), definition_(other.definition_), 
          qualFlags_(other.qualFlags_) {}

    virtual ~EnumType() {}

    virtual EnumType* clone() const
    {
        return new EnumType(*this);
    }

    virtual bool isCompatibleType(const Type* other) const
    {
        const EnumType* eo = dynamic_cast<const EnumType*>(other);
        if (eo == NULL) return false;
        return this->definition_ == eo->getDefinition();
    }

    virtual bool isArithmeticType() const
    {
        return true;
    }

    virtual bool isIntegerType() const
    {
        return true;
    }

    virtual size_t getSize(const TargetInfo& targetInfo) const
    {
        return targetInfo.getSize(TargetInfo::ENUM);
    }

    virtual size_t getAlign(const TargetInfo& targetInfo) const
    {
        return targetInfo.getAlign(TargetInfo::ENUM);
    }

    EnumDefinition* getDefinition() const
    {
        return definition_;
    }

    QualFlags getQualFlags() const
    {
        return qualFlags_;
    }

    void setQualFlags(QualFlags qf)
    {
        qualFlags_ = qf;
    }

#ifdef PARSER_DEBUG
    virtual std::string toString() const
    {
        std::stringstream ss;
        ss << "EnumType[ " << definition_->getName() << "]";
        return ss.str();
    }
#endif


protected:
    EnumDefinition* definition_;
    QualFlags qualFlags_;
};

} // namespace cfront

#endif


/*
 * Local Variables:
 * mode: C++
 * c-basic-offset: 4
 * indent-tabs-mode: nil
 * End:
 */

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