public class VariableReference extends Expression
staticContext| Constructor and Description |
|---|
VariableReference(int fingerprint,
StaticContext staticContext)
Constructor
|
| Modifier and Type | Method and Description |
|---|---|
void |
display(int level)
Diagnostic print of expression structure
|
Value |
evaluate(Context c)
Get the value of this variable in a given context.
|
Binding |
getBinding()
Get the object bound to the variable
|
int |
getDataType()
Determine the data type of the expression, if possible
|
int |
getDependencies()
Determine which aspects of the context the expression depends on.
|
Expression |
reduce(int dependencies,
Context context)
Perform a partial evaluation of the expression, by eliminating specified dependencies
on the context.
|
Expression |
simplify()
Simplify the expression.
|
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsNumber, evaluateAsString, getStaticContext, indent, isContextDocumentNodeSet, make, outputStringValue, setStaticContext, usesCurrentpublic VariableReference(int fingerprint,
StaticContext staticContext)
throws XPathException
name - the variable name (as a Name object)XPathExceptionpublic int getDependencies()
getDependencies in class Expressionpublic Expression reduce(int dependencies, Context context) throws XPathException
reduce in class Expressiondependencies - The dependencies to be removedcontext - The context to be used for the partial evaluationXPathExceptionpublic Value evaluate(Context c) throws XPathException
evaluate in class Expressioncontext - the Context which contains the relevant variable bindingsXPathExceptionpublic Binding getBinding()
public int getDataType()
getDataType in class Expressionpublic Expression simplify()
simplify in class Expressionpublic void display(int level)
display in class Expression