PointerTypeNode.java

package edu.udel.cis.vsl.tass.ast.impl.type;

import java.io.PrintWriter;
import java.util.NoSuchElementException;

import edu.udel.cis.vsl.tass.ast.IF.ASTNodeIF;
import edu.udel.cis.vsl.tass.ast.IF.type.PointerTypeNodeIF;
import edu.udel.cis.vsl.tass.ast.IF.type.TypeNodeIF;
import edu.udel.cis.vsl.tass.ast.impl.ASTNode;

public class PointerTypeNode extends ASTNode implements PointerTypeNodeIF {

	TypeNodeIF baseType;

	public PointerTypeNode(long id) {
		super(id);
	}
	
	public PointerTypeNode(long id, TypeNodeIF baseType) {
		super(id);
		this.baseType = baseType;
	}

	@Override
	public int numChildren() {
		return 1;
	}

	@Override
	public ASTNodeIF child(int index) {
		if (index == 0)
			return baseType;
		throw new NoSuchElementException("Node " + id()
				+ " does not have a child with index " + index + ".");
	}

	@Override
	public void setChild(int i, ASTNodeIF child) {
		if (i == 1)
			baseType = (TypeNodeIF) child;
		throw new NoSuchElementException("Node " + id()
				+ " does not have a child with index " + i + ".");

	}

	@Override
	public String toString() {
		return baseType.toString() + "*";
	}

	@Override
	public void print(String prefix, PrintWriter out) {
		out.println(prefix + " AST Node " + id() + ", Pointer Type");
		baseType.print(prefix + "|", out);
	}

	@Override
	public TypeNodeIF baseType() {
		return baseType;
	}

	@Override
	public void setBaseType(TypeNodeIF baseType) {
		this.baseType = baseType;
	}

}