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 ArrayInitializer extends Expression {

  public ArrayVariableDeclaration[] vars;

  public ArrayInitializer(final ArrayVariableDeclaration[] vars,
                          final int sourceStart,
                          final int sourceEnd) {
    super(sourceStart, sourceEnd);
    this.vars = vars;
  }

  /**
   * Return the expression as String.
   * @return the expression
   */
  public String toStringExpression() {
    final StringBuffer buff = new StringBuffer("array(");
    for (int i = 0; i < vars.length; i++) {
      final ArrayVariableDeclaration var = vars[i];
      if (i != 0) {
        buff.append(",");
      }
      buff.append(var.toStringExpression());
    }
    buff.append(")");
    return buff.toString();
  }

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

  /**
   * get the modified variables.
   * @return the variables from we change value
   */
  public List getModifiedVariable() {
    final ArrayList list = new ArrayList();
    for (int i = 0; i < vars.length; i++) {
      list.addAll(vars[i].getModifiedVariable());
    }
    return list;
  }

  /**
   * Get the variables used.
   * @return the variables used
   */
  public List getUsedVariable() {
    final ArrayList list = new ArrayList();
    for (int i = 0; i < vars.length; i++) {
      list.addAll(vars[i].getUsedVariable());
    }
    return list;
  }
}