CommonTypedefDeclarationNode.java

package edu.udel.cis.vsl.abc.ast.node.common.declaration;

import java.io.PrintStream;

import edu.udel.cis.vsl.abc.ast.IF.ASTException;
import edu.udel.cis.vsl.abc.ast.entity.IF.Typedef;
import edu.udel.cis.vsl.abc.ast.node.IF.ASTNode;
import edu.udel.cis.vsl.abc.ast.node.IF.IdentifierNode;
import edu.udel.cis.vsl.abc.ast.node.IF.declaration.TypedefDeclarationNode;
import edu.udel.cis.vsl.abc.ast.node.IF.type.TypeNode;
import edu.udel.cis.vsl.abc.token.IF.Source;

public class CommonTypedefDeclarationNode extends CommonDeclarationNode
		implements
			TypedefDeclarationNode {

	public CommonTypedefDeclarationNode(Source source,
			IdentifierNode identifier, TypeNode type) {
		super(source, identifier, type);
	}

	@Override
	public Typedef getEntity() {
		return (Typedef) super.getEntity();
	}

	@Override
	public TypeNode getTypeNode() {
		return (TypeNode) child(1);
	}

	@Override
	public void setTypeNode(TypeNode type) {
		setChild(1, type);
	}

	@Override
	protected void printBody(PrintStream out) {
		out.print("Typedef");
	}

	@Override
	public TypedefDeclarationNode copy() {
		return new CommonTypedefDeclarationNode(getSource(),
				duplicate(getIdentifier()), duplicate(getTypeNode()));
	}

	@Override
	public NodeKind nodeKind() {
		return NodeKind.TYPEDEF;
	}

	@Override
	public BlockItemKind blockItemKind() {
		return BlockItemKind.TYPEDEF;
	}

	// @SuppressWarnings("unchecked")
	// @Override
	// public SequenceNode<VariableDeclarationNode> getScopeList() {
	// return (SequenceNode<VariableDeclarationNode>) child(2);
	// }
	@Override
	public ASTNode setChild(int index, ASTNode child) {
		if (index >= 2)
			throw new ASTException(
					"CommonTypedefDeclarationNode has two children, but saw index "
							+ index);
		if (index == 1 && !(child == null || child instanceof TypeNode))
			throw new ASTException(
					"Child of CommonTypedefDeclarationNode at index " + index
							+ " must be an TypeNode, but saw " + child
							+ " with type " + child.nodeKind());
		return super.setChild(index, child);
	}
}