/**
* Set an argument expression for a function. This method is called by the XPath compiler.
*
* @param arg non-null expression that represents the argument.
* @param argNum The argument number index.
* @throws WrongNumberArgsException If the argNum parameter is greater than 0.
*/
public void setArg(Expression arg, int argNum) throws WrongNumberArgsException {
if (0 == argNum) {
m_arg0 = arg;
arg.exprSetParent(this);
} else reportWrongNumberArgs();
}
/** @see ExpressionOwner#setExpression(Expression) */
public void setExpression(Expression exp) {
exp.exprSetParent(UnionPattern.this);
m_patterns[m_index] = (StepPattern) exp;
}
/** @see ExpressionOwner#setExpression(Expression) */
public void setExpression(Expression exp) {
exp.exprSetParent(FilterExprWalker.this);
m_expr = exp;
}
/** Set the inner contained expression of this filter. */
public void setInnerExpression(Expression expr) {
expr.exprSetParent(this);
m_expr = expr;
}
/** @see ExpressionOwner#setExpression(Expression) */
public void setExpression(Expression exp) {
exp.exprSetParent(this);
m_selectExpression = exp;
}
/** @see ExpressionOwner#setExpression(Expression) */
public void setExpression(Expression exp) {
exp.exprSetParent(this);
m_arg0 = exp;
}
