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


/**
 * An argument declaration.
 * @author Matthieu Casanova
 */
public class ArgumentDeclaration extends VariableDeclaration {

  /** The argument is a reference or not. */
  public boolean reference;

  /**
   * Create an argument.
   * @param name the name
   * @param reference the variable is a reference ?
   * @param initialization the initialization
   * @param sourceStart the start point
   */
  public ArgumentDeclaration(final Variable name,
                             final boolean reference,
                             final Expression initialization,
                             final int sourceStart) {
    super(name, initialization,VariableDeclaration.EQUAL, sourceStart);
    this.reference = reference;
  }

  /**
   * Create an argument.
   * @param name the name
   * @param reference the variable is a reference ?
   * @param sourceStart the start point
   */
  public ArgumentDeclaration(final Variable name,
                             final boolean reference,
                             final int sourceStart) {
    super(name, sourceStart);
    this.reference = reference;
  }
  /**
   * Return the expression as String.
   * @return the expression
   */
  public String toStringExpression() {
    final StringBuffer buff;
    if (reference) {
      buff = new StringBuffer("&");
    } else {
      buff = new StringBuffer();
    }
    buff.append(variable.toStringExpression());
    if (initialization != null) {
      buff.append(" = ");
      buff.append(initialization.toStringExpression());
    }
    return buff.toString();
  }
}