source: src/Parser/InitializerNode.cc @ 59db689

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// InitializerNode.cc -- 
// 
// Author           : Rodolfo G. Esteves
// Created On       : Sat May 16 13:20:24 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Sat Jun  6 15:49:42 2015
// Update Count     : 3
// 

#include <cassert>
#include <iostream>
using namespace std;

#include "ParseNode.h"
#include "SynTree/Expression.h"
#include "SynTree/Initializer.h"

InitializerNode::InitializerNode( ExpressionNode *_expr, bool aggrp, ExpressionNode *des )
        : expr( _expr ), aggregate( aggrp ), designator( des ), kids( 0 ) {
        if ( aggrp )
                kids = dynamic_cast< InitializerNode *>( get_link() );

        if ( kids != 0 )
                set_link( 0 );
}

InitializerNode::InitializerNode( InitializerNode *init, bool aggrp, ExpressionNode *des )
        : expr( 0 ), aggregate( aggrp ), designator( des ), kids( 0 ) {
        if ( init != 0 )
                set_link(init);

        if ( aggrp )
                kids = dynamic_cast< InitializerNode *>( get_link() );

        if ( kids != 0 )
                set_next( 0 );
}

InitializerNode::~InitializerNode() {
        delete expr;
}

void InitializerNode::print( std::ostream &os, int indent ) const {
        os << std::string( indent, ' ' ) << "Initializer expression" << std::endl;
}

void InitializerNode::printOneLine( std::ostream &os ) const {
        if ( ! aggregate ) {
                if ( designator != 0 ) {
                        os << "designated by: (";
                        ExpressionNode *curdes = designator;
                        while ( curdes != 0) {
                                curdes->printOneLine(os);
                                curdes = (ExpressionNode *)(curdes->get_link());
                                if ( curdes ) os << ", ";
                        } // while
                        os << ")";
                } // if
                if ( expr ) expr->printOneLine(os);
        } else {  // It's an aggregate
                os << "[--";
                if ( next_init() != 0 )
                        next_init()->printOneLine(os);
                if (aggregate) os << "--]";
        } // if

        InitializerNode *moreInit;
        if  ( get_link() != 0 && ((moreInit = dynamic_cast< InitializerNode * >( get_link() ) ) != 0) )
                moreInit->printOneLine( os );
}

Initializer *InitializerNode::build() const {
        // if ( get_expression() == 0 ) return 0;  // XXX (?)

        if ( aggregate ) {
                assert( next_init() != 0 );

                std::list< Initializer *> initlist;
                buildList<Initializer, InitializerNode>( next_init(), initlist );

                std::list< Expression *> designlist;

                if ( designator != 0 ) {
                        buildList<Expression, ExpressionNode>( designator, designlist );
                } // if

                return new ListInit( initlist, designlist );
        } else {
                std::list< Expression *> designators;

                if ( designator != 0 )
                        buildList<Expression, ExpressionNode>( designator, designators );

                if ( get_expression() != 0)
                        return new SingleInit( get_expression()->build(), designators );
        } // if

        return 0;
}

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //