Package gnu.xquery.util
Class RelativeStep
java.lang.Object
gnu.mapping.PropertySet
gnu.mapping.Procedure
gnu.mapping.ProcedureN
gnu.mapping.MethodProc
gnu.xquery.util.RelativeStep
- All Implemented Interfaces:
Inlineable
,Named
Implements XPath path expression.
The XPath expression E1/E2 is compiled into:
(relative-step E1 (lambda (dot position last) E2)).
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Field Summary
FieldsFields inherited from class gnu.mapping.MethodProc
applyToConsumerDefaultMP, argTypes, NO_MATCH, NO_MATCH_AMBIGUOUS, NO_MATCH_BAD_TYPE, NO_MATCH_GUARD_FALSE, NO_MATCH_TOO_FEW_ARGS, NO_MATCH_TOO_MANY_ARGS, NO_MATCH_UNUSED_KEYWORD, THROW_ON_EXCEPTION
Fields inherited from class gnu.mapping.ProcedureN
applyToObject, noArgs
Fields inherited from class gnu.mapping.Procedure
applyMethodType, applyToConsumerDefault, applyToConsumerMethod, applyToObjectDefault, applyToObjectMethod, compilerKey, compilerXKey, inlineIfConstantSymbol, validateApplyKey, validateXApplyKey
Fields inherited from class gnu.mapping.PropertySet
nameKey
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Method Summary
Modifier and TypeMethodDescriptionstatic Object
applyToConsumer
(Procedure proc, CallContext ctx) void
compile
(ApplyExp exp, Compilation comp, Target target) static TreeScanner
extractStep
(Expression exp) getReturnType
(Expression[] args) Semi-deprecated - instead should be set at Inline time.int
numArgs()
ReturnminArgs()|(maxArgs<<12)
.Methods inherited from class gnu.mapping.MethodProc
applyToConsumerDefaultMP, getParameterType, isApplicable, matchFailAsException, mostSpecific, numParameters, overrideEquivalent, resolveParameterTypes
Methods inherited from class gnu.mapping.ProcedureN
applyToObject
Methods inherited from class gnu.mapping.Procedure
apply0, apply1, apply2, apply3, apply4, applyL, applyN, applyToConsumerDefault, applyToObjectDefault, checkArgCount, checkBadCode, getApplyMethod, getApplyToConsumerMethod, getApplyToObjectMethod, getSetter, getSourceLocation, isSideEffectFree, lookupApplyHandle, maxArgs, maxArgs, minArgs, minArgs, set0, set1, setN, setSetter, setSourceLocation, toString
Methods inherited from class gnu.mapping.PropertySet
getName, getProperty, getSymbol, removeProperty, setName, setProperty, setProperty, setSymbol
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Field Details
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relativeStep
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Method Details
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numArgs
public int numArgs()Description copied from class:Procedure
ReturnminArgs()|(maxArgs<<12)
. We use a single virtual function to reduce the number of methods in the system, as well as the number of virtual method table entries. We shift by 12 so the number can normally be represented using a sipush instruction, without requiring a constant pool entry. -
applyToConsumer
- Throws:
Throwable
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compile
- Specified by:
compile
in interfaceInlineable
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getReturnType
Description copied from class:Procedure
Semi-deprecated - instead should be set at Inline time. FIXME- Overrides:
getReturnType
in classProcedure
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extractStep
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