net.sf.saxon.expr
public class SuppliedParameterReference extends ComputedExpression
Field Summary | |
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int | slotNumber |
Constructor Summary | |
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SuppliedParameterReference(int slot)
Constructor |
Method Summary | |
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int | computeCardinality()
Get the static cardinality |
void | display(int level, NamePool pool, PrintStream out)
Diagnostic print of expression structure |
boolean | equals(Object other)
Test if this expression is the same as another expression.
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Item | evaluateItem(XPathContext c) |
ItemType | getItemType(TypeHierarchy th)
Determine the data type of the expression, if possible. |
SequenceIterator | iterate(XPathContext c)
Get the value of this expression in a given context. |
Expression | optimize(Optimizer opt, StaticContext env, ItemType contextItemType) |
Expression | simplify(StaticContext env)
Simplify the expression. |
Expression | typeCheck(StaticContext env, ItemType contextItemType) |
Parameters: slot identifies this parameter
Returns: ZERO_OR_MORE, because we don't know the type of the supplied value in advance.
Parameters: th
Returns: Type.ITEM, because we don't know the type of the supplied value in advance.
Parameters: c the XPathContext which contains the relevant variable bindings
Returns: the value of the variable, if it is defined
Throws: XPathException if the variable is undefined