CommonDereferenceExpression.java

package edu.udel.cis.vsl.civl.model.common.expression;

import edu.udel.cis.vsl.civl.model.IF.CIVLSource;
import edu.udel.cis.vsl.civl.model.IF.Scope;
import edu.udel.cis.vsl.civl.model.IF.expression.DereferenceExpression;
import edu.udel.cis.vsl.civl.model.IF.expression.Expression;

public class CommonDereferenceExpression extends CommonExpression implements
		DereferenceExpression {

	private Expression pointer;

	public CommonDereferenceExpression(CIVLSource source, Expression pointer) {
		super(source);
		this.pointer = pointer;
	}

	@Override
	public ExpressionKind expressionKind() {
		return ExpressionKind.DEREFERENCE;
	}

	@Override
	public Expression pointer() {
		return pointer;
	}

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

	@Override
	public void calculateDerefs() {
		this.hasDerefs = true;
	}

	@Override
	public void setPurelyLocal(boolean pl) {
		//TODO check &(*p)
		this.purelyLocal = pl;
	}

	@Override
	public void purelyLocalAnalysisOfVariables(Scope funcScope) {
		this.pointer.purelyLocalAnalysisOfVariables(funcScope);
	}

	@Override
	public void purelyLocalAnalysis() {
		this.purelyLocal = false;
	}

}