net.sf.saxon.expr

Class ErrorExpression

public class ErrorExpression extends ComputedExpression

Error expression: this expression is generated when the supplied expression cannot be parsed, and the containing element enables forwards-compatible processing. It defers the generation of an error message until an attempt is made to evaluate the expression

Constructor Summary
	ErrorExpression(XPathException exception) Constructor

Method Summary
int	computeCardinality() Determine the static cardinality
void	display(int level, NamePool pool, PrintStream out) Diagnostic print of expression structure
Item	evaluateItem(XPathContext context) Evaluate the expression.
ItemType	getItemType(TypeHierarchy th) Determine the data type of the expression, if possible
SequenceIterator	iterate(XPathContext context) Iterate over the expression.
Expression	optimize(Optimizer opt, StaticContext env, ItemType contextItemType)
Expression	typeCheck(StaticContext env, ItemType contextItemType) Type-check the expression.