#include "Initializer.h"
#include "Expression.h"
#include "utility.h"


Initializer::Initializer() {}

Initializer::~Initializer() {}

std::string Initializer::designator_name( Expression *des ) {
    if ( NameExpr *n = dynamic_cast<NameExpr *>(des) )
	return n->get_name();
    else
	throw 0;
}

void Initializer::print( std::ostream &os, int indent ) {}

SingleInit::SingleInit( Expression *v, std::list< Expression *> &_designators ) : value ( v ), designators( _designators ) { 
}

SingleInit::SingleInit( const SingleInit &other ) : value ( other.value ) {
    cloneAll(other.designators, designators );
}

SingleInit::~SingleInit() {}

SingleInit *SingleInit::clone() const { return new SingleInit( *this); }

void SingleInit::print( std::ostream &os, int indent ) {
    os << std::endl << std::string(indent, ' ' ) << "Simple Initializer: ";
    value->print( os, indent+2 );

    if ( ! designators.empty() ) {
	os << std::endl << std::string(indent + 2, ' ' ) << "designated by: "  ;
	for ( std::list < Expression * >::iterator i = designators.begin(); i != designators.end(); i++ )
	    ( *i )->print(os, indent + 4 );
    }
}

MemberInit::MemberInit( Expression *_value, std::string _member ) : member ( _member ), value ( _value ) {}

MemberInit::~MemberInit() {}

MemberInit * MemberInit::clone() const {
    return new MemberInit( *this );
}

void MemberInit::print( std::ostream &os, int indent ) {
    os << "Member Initializer";
    value->print( os, indent+2 );
}

ListInit::ListInit( std::list<Initializer*> &_initializers, std::list<Expression *> &_designators )
    : initializers( _initializers ), designators( _designators ) {
}

ListInit::~ListInit() {}

ListInit *ListInit::clone() const {
    return new ListInit( *this );
}

void ListInit::print( std::ostream &os, int indent ) {
    os << std::endl << std::string(indent, ' ') << "Compound initializer:  "; 
    if ( ! designators.empty() ) {
	os << std::string(indent + 2, ' ' ) << "designated by: [";
	for ( std::list < Expression * >::iterator i = designators.begin();
		    i != designators.end(); i++ ) {
	    ( *i )->print(os, indent + 4 ); 
	}
	
	os << std::string(indent + 2, ' ' ) << "]";
    }

    for( std::list<Initializer *>::iterator i = initializers.begin(); i != initializers.end(); i++ ) 
	(*i)->print( os, indent + 2 );
}