kawa.standard
Class callcc

java.lang.Object
  gnu.mapping.PropertySet
      gnu.mapping.Procedure
          gnu.mapping.ProcedureN
              gnu.mapping.MethodProc
                  kawa.standard.callcc

All Implemented Interfaces:

Named

public class callcc
extends MethodProc

Implement the Scheme standard function "call-with-current-continuation". This is a restricted version, that only works for escape-like applications.

Field Summary

static callcc

callcc

Fields inherited from class gnu.mapping.MethodProc

argTypes, NO_MATCH, NO_MATCH_AMBIGUOUS, NO_MATCH_BAD_TYPE, NO_MATCH_TOO_FEW_ARGS, NO_MATCH_TOO_MANY_ARGS

Fields inherited from class gnu.mapping.ProcedureN

noArgs

Constructor Summary

callcc()

Method Summary

void	apply(CallContext ctx) Call this Procedure using the explicit-CallContext-convention.
int	match1(java.lang.Object proc, CallContext ctx) Pass one argument.
int	numArgs() Return minArgs()|(maxArgs<<12).

Methods inherited from class gnu.mapping.MethodProc

applyN, getParameterType, isApplicable, matchFailAsException, mostSpecific, mostSpecific, numParameters, resolveParameterTypes

Methods inherited from class gnu.mapping.ProcedureN

apply0, apply1, apply2, apply3, apply4

Methods inherited from class gnu.mapping.Procedure

apply, check0, check1, check2, check3, check4, checkArgCount, checkN, getSetter, getSourceLocation, match0, match2, match3, match4, matchN, maxArgs, minArgs, set0, set1, setN, setSetter, setSourceLocation, toString

Methods inherited from class gnu.mapping.PropertySet

getName, getProperty, getSymbol, removeProperty, setName, setProperty, setProperty, setSymbol

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

callcc

public static final callcc callcc

Constructor Detail

callcc

public callcc()

Method Detail

numArgs

public int numArgs()

Description copied from class: Procedure

Return minArgs()|(maxArgs<<12).

Overrides:

numArgs in class Procedure

match1

public int match1(java.lang.Object proc,
                  CallContext ctx)

Description copied from class: Procedure

Pass one argument.

Overrides:

match1 in class Procedure

Returns:

non-negative if the match succeeded, else negative.

apply

public void apply(CallContext ctx)
           throws java.lang.Throwable

Description copied from class: Procedure

Call this Procedure using the explicit-CallContext-convention. The input arguments are (by default) in stack.args; the result is written to ctx.consumer.

Overrides:

apply in class Procedure

Throws:

java.lang.Throwable