#include "derivedAttribute.h"

Derived_attribute::Derived_attribute( const char * name, const TypeDescriptor * domainType,

Logical optional, Logical unique, AttrType_Enum at, const EntityDescriptor & owner )

: AttrDescriptor( name, domainType, optional, unique, at, owner ) {

_initializer = ( const char * )0;

}

Derived_attribute::~Derived_attribute() {

}

const char * Derived_attribute::AttrExprDefStr( std::string & s ) const {

std::string buf;

s.clear();

if( Name() && strchr( Name(), '.' ) ) {

s = "SELF\\";

}

s.append( Name() );

s.append( " : " );

if( DomainType() ) {

DomainType()->AttrTypeName( buf );

s.append( buf );

}

if( _initializer ) { // this is supposed to exist for a derived attribute.

s.append( " \n\t\t:= " );

s.append( _initializer );

}

return const_cast<char *>( s.c_str() );

}