package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+
/**
* 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.
* @param sourceStart the starting offset
* @param sourceEnd the ending offset
*/
- public WhileStatement(Expression condition,
- Statement action,
- int sourceStart,
- int sourceEnd) {
+ public WhileStatement(final Expression condition,
+ final Statement action,
+ final int sourceStart,
+ final int sourceEnd) {
super(sourceStart, sourceEnd);
this.condition = condition;
this.action = action;
* @param tab how many tabs (not used here
* @return a String
*/
- public String toString(int tab) {
- final String s = tabString(tab);
- final StringBuffer buff = new StringBuffer("while ("); //$NON-NLS-1$
- buff.append(condition.toStringExpression()).append(")"); //$NON-NLS-1$
- if (action == null) {
- buff.append(" {} ;"); //$NON-NLS-1$
+ public String toString(final int tab) {
+ final String s = tabString(tab);
+ final StringBuffer buff = new StringBuffer(s).append("while ("); //$NON-NLS-1$
+ buff.append(condition.toStringExpression()).append(")"); //$NON-NLS-1$
+ if (action == null) {
+ buff.append(" {} ;"); //$NON-NLS-1$
} else {
- buff.append("\n").append(action.toString(tab + 1)); //$NON-NLS-1$
+ buff.append("\n").append(action.toString(tab + 1)); //$NON-NLS-1$
+ }
+ return buff.toString();
+ }
+
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ *
+ * @param list the list where we will put variables
+ */
+ public void getOutsideVariable(final List list) {
+ condition.getOutsideVariable(list); // todo: check if unuseful
+ if (action != null) {
+ action.getOutsideVariable(list);
+ }
+ }
+
+ /**
+ * get the modified variables.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getModifiedVariable(final List list) {
+ condition.getModifiedVariable(list);
+ if (action != null) {
+ action.getModifiedVariable(list);
+ }
+ }
+
+ /**
+ * Get the variables used.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getUsedVariable(final List list) {
+ condition.getUsedVariable(list);
+ if (action != null) {
+ action.getUsedVariable(list);
}
- return buff.toString();
}
}