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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 __SIMPLE_NAME_HPP_INCLUDED
#define __SIMPLE_NAME_HPP_INCLUDED
#include "frontend/ast/Name.hpp"
#include "frontend/misc/Driver.hpp"
namespace ast {
//! a VHDL simple name
/** This class represents a VHDL simple name, either because it was parsed
* from only one identifier, or because it was an expanded name which is
* reduced to the meaning of a simple name.
*/
class SimpleName : public Name {
public:
//! c'tor
/** @param n identifier of the name
* @param cands list of candidate symbols.
* @param loc corresponding location
*/
SimpleName(
std::string *n,
std::list<Symbol*> cands,
Location loc
) : Name(n, cands, loc), driver(NULL) {}
//! c'tor
/** @param n identifier of the name
* @param loc corresponding location
*/
SimpleName(
std::string *n,
Location loc
) : Name(n, std::list<Symbol*>(), loc), driver(NULL) {}
//! c'tor
/** @param n identifier of the name
* @param loc corresponding location
*/
SimpleName(
const char *n,
Location loc
) : Name(new std::string(n), std::list<Symbol*>(), loc),
driver(NULL) {}
//! 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);
std::list<std::string*> names = this->prefixStrings;
names.push_back(this->name);
util::MiscUtil::listPut(&names, stream, ".");
}
//! does the name refer to a signal?
/** @return true, if the name refers to a Signal.
*/
bool isSignal(void) const;
//! equality operator
/** check if one SimpleName is semantically equal to another
* SimpleName.
* @param other other SimpleName to check for equality.
* @return true, if both names have the same semantic meaning.
*/
bool operator==(const SimpleName &other) const;
/** optional prefix for expanded names (only for error reporting
* purposes)
*/
std::list<std::string*> prefixStrings;
/** associated driver, if any */
const Driver *driver;
protected:
/** d'tor*/
virtual ~SimpleName() {
for (std::list<std::string*>::iterator i =
this->prefixStrings.begin();
i != this->prefixStrings.end(); i++) {
delete *i;
}
}
};
}; /* namespace ast */
#endif /* __SIMPLE_NAME_HPP_INCLUDED */
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