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/* $Id$
*
* Copyright (C) 2007-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __SIGNAL_DECLARATION_HPP_INCLUDED
#define __SIGNAL_DECLARATION_HPP_INCLUDED
#include "frontend/ast/ValDeclaration.hpp"
#include "frontend/ast/Expression.hpp"
namespace ast {
//! Represents one Signal declaration.
/** This class represents one VHDL signal declaration. */
class SignalDeclaration : public ValDeclaration {
public:
//! c'tor
/** construct a Signal object.
* @param declName name of the declared Signal.
* @param pMode mode of the Signal (in, out, inout).
* @param isBus declared with bus keyword (guarded signal)?
* @param varInit initializer Expression for the constant.
* @param subtype subtype indication
* @param loc location of the SignalDeclaration. */
SignalDeclaration(
std::string *declName,
enum ValDeclaration::Mode pMode,
bool isBus,
Expression *varInit,
SubtypeIndication *subtype,
Location loc
) : ValDeclaration(pMode, declName, varInit,
subtype,
ValDeclaration::OBJ_CLASS_SIGNAL,
loc),
isGuarded(isBus) {}
//! Accept a Visitor.
/** All leaf AST nodes need to implement this method.
*
* @param visitor the Visitor that can visit this node.
*/
virtual void accept(Visitor &visitor) {
visitor.visit(*this);
}
/** Put a textual representation of the AstNode on the stream.
* @param stream stream to put the textual representation to.
*/
virtual void put(std::ostream &stream) const {
assert(this->name);
stream << "SIGNAL " << *this->name << " : "
<< this->subtypeIndic;
if (this->init) {
stream << " := " << this->init;
}
stream << ';';
}
/** Is it a guarded signal?
* currently this gets utterly ignored.
*/
bool isGuarded;
};
}; /* namespace ast */
#endif /* __SIGNAL_DECLARATION_HPP_INCLUDED */
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