public final class CComm extends CNode
Constructor and Description |
---|
CComm(StaticContext sc,
InputInfo info,
Expr comment)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
Expr |
copy(QueryContext qc,
VarScope scp,
IntObjMap<Var> vs)
Copies an expression.
|
String |
description()
Returns a string description of the expression.
|
FComm |
item(QueryContext qc,
InputInfo ii)
Evaluates the expression and returns the resulting item,
or a
null reference if the expression yields an empty sequence. |
String |
toString() |
accept, allAreValues, checkUp, compile, copyAll, count, exprSize, inline, oneIsEmpty, plan, removable
atomItem, atomValue, checkAtomic, checkNoEmpty, checkNoEmpty, checkNoneUp, checkNoUp, checkType, compBln, copyType, ctxValue, ebv, iter, optPre, optPre, preEval, seqType, seqType, size, test, toArray, toArray, toAtomItem, toB64, toB64, toBin, toBin, toBoolean, toBoolean, toBytes, toBytes, toDouble, toDouble, toElem, toEmptyNode, toEmptyToken, toFloat, toFunc, toItem, toLong, toLong, toMap, toMap, toNode, toNode, toNumber, toQNm, toQNm, toToken, toToken, value
atomIter, data, hasFreeVars, indexAccessible, inlineAll, isEmpty, isFunction, isVacuous, isValue, iterable, markTailCalls, optimize, optimizeEbv, sameAs, typeCheck, uses, visitAll
public CComm(StaticContext sc, InputInfo info, Expr comment)
sc
- static contextinfo
- input infocomment
- commentpublic FComm item(QueryContext qc, InputInfo ii) throws QueryException
Expr
null
reference if the expression yields an empty sequence.
If this method is not overwritten, Expr.iter(QueryContext)
must be implemented by an
expression, as it may be called by this method.item
in class CNode
qc
- query contextii
- input infonull
QueryException
- query exceptionpublic Expr copy(QueryContext qc, VarScope scp, IntObjMap<Var> vs)
Expr
public String description()
ExprInfo
ExprInfo.toString()
method,
arguments are not included in the output.description
in class ExprInfo
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