package net.sourceforge.phpdt.internal.compiler.ast;

import java.util.List;

/**
 * @author Matthieu Casanova
 */
public class BinaryExpression extends OperatorExpression {

  /** The two expressions. */
  public Expression left,right;

  public BinaryExpression(final Expression left,
                          final Expression right,
                          final int operator) {
    super(operator, left.sourceStart, right.sourceEnd);
    this.left = left;
    this.right = right;
  }

  public String toStringExpression() {
    final StringBuffer buff = new StringBuffer(left.toStringExpression());
    buff.append(operatorToString());
    buff.append(right.toStringExpression());
    return buff.toString();
  }

  /**
   * Get the variables from outside (parameters, globals ...)
   */
  public void getOutsideVariable(final List list) {
  }

  /**
   * get the modified variables.
   */
  public void getModifiedVariable(final List list) {
    left.getModifiedVariable(list);
    right.getModifiedVariable(list);
  }

  /**
   * Get the variables used.
   */
  public void getUsedVariable(final List list) {
    left.getUsedVariable(list);
    right.getUsedVariable(list);
  }

}