package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+
/**
* A list expression.
* it could be list($v1,$v2), list(,$v2) ...
* @author Matthieu Casanova
*/
-public class ListExpression extends Expression {
+public final class ListExpression extends Expression {
- public String[] vars;
- public Expression expression;
+ private final Expression[] vars;
+ private Expression expression;
- public ListExpression(String[] vars,
- Expression expression,
- int sourceStart,
- int sourceEnd) {
+ public ListExpression(final Expression[] vars,
+ final Expression expression,
+ final int sourceStart,
+ final int sourceEnd) {
super(sourceStart, sourceEnd);
this.vars = vars;
this.expression = expression;
}
- public ListExpression(String[] vars,
- int sourceStart,
- int sourceEnd) {
+ public ListExpression(final Expression[] vars,
+ final int sourceStart,
+ final int sourceEnd) {
super(sourceStart, sourceEnd);
this.vars = vars;
}
public String toStringExpression() {
final StringBuffer buff = new StringBuffer("list(");
for (int i = 0; i < vars.length; i++) {
- String var = vars[i];
if (i != 0) {
buff.append(", ");
}
- if (var != null) {
- buff.append(var);
+ if (vars[i] != null) {
+ buff.append(vars[i].toStringExpression());
}
}
if (expression != null) {
}
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) {}
+
+ /**
+ * get the modified variables.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getModifiedVariable(final List list) {
+ for (int i = 0; i < vars.length; i++) {
+ if (vars[i] != null) {
+ vars[i].getUsedVariable(list);
+ }
+ }
+ if (expression != null) {
+ expression.getModifiedVariable(list);
+ }
+ }
+
+ /**
+ * Get the variables used.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getUsedVariable(final List list) {
+ if (expression != null) {
+ expression.getUsedVariable(list);
+ }
+ }
}