at.dms.kjc.cluster
Class TapeFixedCircular

java.lang.Object
  at.dms.kjc.cluster.TapeBase
      at.dms.kjc.cluster.TapeFixedBase
          at.dms.kjc.cluster.TapeFixedCircular

All Implemented Interfaces:

Tape

public class TapeFixedCircular
extends TapeFixedBase
implements Tape

Author:

dimock

Field Summary

protected String

maskName

Fields inherited from class at.dms.kjc.cluster.TapeFixedBase

bufferName, extra, headName, items, popArrayRefPrefix, popArrayRefSuffix, tailName

Fields inherited from class at.dms.kjc.cluster.TapeBase

dst, peek_name, pop_name, push_name, src, type, typeString

Constructor Summary

TapeFixedCircular(int source, int dest, CType type)

Method Summary

String	dataDeclaration() Data declaration: in .c file if needed else noop.
String	dataDeclarationH() Data declaration: in .h file if needed else noop.
protected String	headIncrementStmts()
String	peekPrefix() prefix to peek expression
String	peekSuffix() suffix to peek expression
String	popExpr() expression to pop an item: to end of statement.
String	popExprCleanup() if expression to pop an item requires statements to clean up then this is cleanup.
String	popExprNoCleanup() expression to pop an item, really an expression.
String	popNStmt(int N) prefix to pop N items discarding them.
String	pushPrefix() prefix before data expression to push.
String	pushSuffix() suffix after data expression to push.
protected String	tailIncrementStmts()
protected String	tailIncrementStmts(String numExpression)
protected String	tailOffsetExpr(String offset)
String	topOfWorkIteration() Code to emit at top of work iteration.

Methods inherited from class at.dms.kjc.cluster.TapeFixedBase

assignPeekToVar, assignPopToVar, downstreamCleanup, downstreamDeclaration, downstreamDeclarationExtern, getBufferName, getExtra, getHeadName, getItems, getTailName, pushbackCleanup, pushbackInit, pushbackPrefix, pushbackSuffix, upstreamCleanup, upstreamDeclaration, upstreamDeclarationExtern

Methods inherited from class at.dms.kjc.cluster.TapeBase

getDest, getPeekName, getPopName, getPushName, getSource, getType, newTape, popManyItems, pushManyItems

Methods inherited from class java.lang.Object

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

Methods inherited from interface at.dms.kjc.cluster.Tape

assignPeekToVar, assignPopToVar, downstreamCleanup, downstreamDeclaration, downstreamDeclarationExtern, getDest, getPeekName, getPopName, getPushName, getSource, getType, popManyItems, pushbackCleanup, pushbackInit, pushbackPrefix, pushbackSuffix, pushManyItems, upstreamCleanup, upstreamDeclaration, upstreamDeclarationExtern

Field Detail

maskName

protected String maskName

Constructor Detail

TapeFixedCircular

public TapeFixedCircular(int source,
                         int dest,
                         CType type)

Parameters:

source -

dest -

type -

Method Detail

tailOffsetExpr

protected String tailOffsetExpr(String offset)

Specified by:

tailOffsetExpr in class TapeFixedBase

Returns:

string for expression for *offset* items from pop position on tape.

tailIncrementStmts

protected String tailIncrementStmts(String numExpression)

Specified by:

tailIncrementStmts in class TapeFixedBase

Returns:

string for statements that increment the pop position by *numPosition* items.

tailIncrementStmts

protected String tailIncrementStmts()

Specified by:

tailIncrementStmts in class TapeFixedBase

Returns:

string for statement(s) that increment the pop position by 1.

headIncrementStmts

protected String headIncrementStmts()

Specified by:

headIncrementStmts in class TapeFixedBase

Returns:

string for statement(s) that increment the push position by 1.

dataDeclarationH

public String dataDeclarationH()

Description copied from interface: Tape

Data declaration: in .h file if needed else noop.

Specified by:

dataDeclarationH in interface Tape

Specified by:

dataDeclarationH in class TapeBase

Returns:

TODO

dataDeclaration

public String dataDeclaration()

Description copied from interface: Tape

Data declaration: in .c file if needed else noop.

Specified by:

dataDeclaration in interface Tape

Specified by:

dataDeclaration in class TapeBase

Returns:

TODO

topOfWorkIteration

public String topOfWorkIteration()

Code to emit at top of work iteration.
None for circular buffer.

Specified by:

topOfWorkIteration in interface Tape

Specified by:

topOfWorkIteration in class TapeBase

Returns:

TODO

See Also:

at.dms.kjc.cluster.Tape#topOfWorkIteration(at.dms.kjc.common.CodegenPrintWriter)

pushPrefix

public String pushPrefix()

Description copied from interface: Tape

prefix before data expression to push.

Specified by:

pushPrefix in interface Tape

Specified by:

pushPrefix in class TapeBase

Returns:

TODO

pushSuffix

public String pushSuffix()

Description copied from interface: Tape

suffix after data expression to push.

Specified by:

pushSuffix in interface Tape

Specified by:

pushSuffix in class TapeBase

Returns:

TODO

popExpr

public String popExpr()

Description copied from interface: Tape

expression to pop an item: to end of statement.

Specified by:

popExpr in interface Tape

Specified by:

popExpr in class TapeBase

Returns:

TODO

popExprNoCleanup

public String popExprNoCleanup()

Description copied from interface: Tape

expression to pop an item, really an expression.

Specified by:

popExprNoCleanup in interface Tape

Specified by:

popExprNoCleanup in class TapeBase

popExprCleanup

public String popExprCleanup()

Description copied from interface: Tape

if expression to pop an item requires statements to clean up then this is cleanup.

Specified by:

popExprCleanup in interface Tape

Specified by:

popExprCleanup in class TapeBase

popNStmt

public String popNStmt(int N)

Description copied from interface: Tape

prefix to pop N items discarding them.

Specified by:

popNStmt in interface Tape

Specified by:

popNStmt in class TapeBase

Returns:

TODO

peekPrefix

public String peekPrefix()

Description copied from interface: Tape

prefix to peek expression

Specified by:

peekPrefix in interface Tape

Specified by:

peekPrefix in class TapeBase

Returns:

TODO

peekSuffix

public String peekSuffix()

Description copied from interface: Tape

suffix to peek expression

Specified by:

peekSuffix in interface Tape

Specified by:

peekSuffix in class TapeBase

Returns:

TODO