package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+import java.util.ArrayList;
+
/**
* A return statement.
* @author Matthieu Casanova
public Expression expression;
- public ReturnStatement(Expression expression, int sourceStart, int sourceEnd) {
+ public ReturnStatement(final Expression expression, final int sourceStart, final int sourceEnd) {
super(sourceStart, sourceEnd);
this.expression = expression;
}
- public String toString(int tab) {
+ public String toString(final int tab) {
final String s = tabString(tab);
if (expression == null) {
return s + "return";//$NON-NLS-1$
}
return s + "return " + expression.toStringExpression();//$NON-NLS-1$
}
+
+ /**
+ * 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 modified
+ */
+ public List getModifiedVariable() {
+ if (expression == null) {
+ return new ArrayList();
+ }
+ return expression.getModifiedVariable();
+ }
+
+ /**
+ * Get the variables used.
+ * @return the variables used
+ */
+ public List getUsedVariable() {
+ if (expression == null) {
+ return new ArrayList();
+ }
+ return expression.getUsedVariable();
+ }
}