package net.sourceforge.phpdt.internal.compiler.ast;
import java.util.List;
-import java.util.ArrayList;
/**
* A While statement.
* @author Matthieu Casanova
*/
-public class WhileStatement extends Statement {
+public final class WhileStatement extends Statement {
/** The condition expression. */
- public Expression condition;
+ private final Expression condition;
/** The action of the while. (it could be a block) */
- public Statement action;
+ private final Statement action;
/**
* Create a While statement.
/**
* Get the variables from outside (parameters, globals ...)
- * @return the variables from outside
+ *
+ * @param list the list where we will put variables
*/
- public List getOutsideVariable() {
- final ArrayList list = new ArrayList();
- list.addAll(condition.getOutsideVariable()); // todo: check if unuseful
+ public void getOutsideVariable(final List list) {
+ condition.getOutsideVariable(list); // todo: check if unuseful
if (action != null) {
- list.addAll(action.getOutsideVariable());
+ action.getOutsideVariable(list);
}
- return list;
}
/**
* get the modified variables.
- * @return the variables from we change value
+ *
+ * @param list the list where we will put variables
*/
- public List getModifiedVariable() {
- final ArrayList list = new ArrayList();
- list.addAll(condition.getModifiedVariable());
+ public void getModifiedVariable(final List list) {
+ condition.getModifiedVariable(list);
if (action != null) {
- list.addAll(action.getModifiedVariable());
+ action.getModifiedVariable(list);
}
- return list;
}
/**
* Get the variables used.
- * @return the variables used
+ *
+ * @param list the list where we will put variables
*/
- public List getUsedVariable() {
- final ArrayList list = new ArrayList();
- list.addAll(condition.getUsedVariable());
+ public void getUsedVariable(final List list) {
+ condition.getUsedVariable(list);
if (action != null) {
- list.addAll(action.getUsedVariable());
+ action.getUsedVariable(list);
}
- return list;
}
}