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

import net.sourceforge.phpdt.internal.compiler.ast.declarations.VariableUsage;

import java.util.List;
import java.util.ArrayList;

/**
 * @author Matthieu Casanova
 */
public class Variable extends Expression {

  /** The name of the variable. */
  public char[] name;


  public Variable(final char[] name, final int sourceStart, final int sourceEnd) {
    super(sourceStart, sourceEnd);
    this.name = name;
  }

    /**
   * Return the expression as String.
   * @return the expression
   */
  public String toStringExpression() {
    return "$"+new String(name);
  }

  public String getName() {
    return new String(name);
  }

  /**
   * Get the variables from outside (parameters, globals ...)
   * @return the variables from outside
   */
  public List getOutsideVariable() {
    return new ArrayList(1);
  }

  /**
   * get the modified variables.
   * @return the variables modified
   */
  public List getModifiedVariable() {
    final ArrayList list = new ArrayList(1);
    list.add(new VariableUsage(getName(),sourceStart));
    return list;
  }

  /**
   * Get the variables used.
   * @return the variables used
   */
  public List getUsedVariable() {
    return new ArrayList(1);
  }
}