org.erights.e.elang.evm
Class FrameFinalNounExpr

java.lang.Object
  |
  +--org.erights.e.elang.evm.ParseNode
        |
        +--org.erights.e.elang.evm.ENode
              |
              +--org.erights.e.elang.evm.EExpr
                    |
                    +--org.erights.e.elang.evm.AtomicExpr
                          |
                          +--org.erights.e.elang.evm.NounExpr
                                |
                                +--org.erights.e.elang.evm.FrameFinalNounExpr

All Implemented Interfaces:

Cloneable, EPrintable, MatchMaker

public class FrameFinalNounExpr

extends NounExpr

Untamed: What an object expression evaluates to.

Author:

E. Dean Tribble

Field Summary

private int

myIndex

Fields inherited from class org.erights.e.elang.evm.NounExpr

Fields inherited from class org.erights.e.elang.evm.ENode

Fields inherited from class org.erights.e.elang.evm.ParseNode

NUM_PR, PR_ASSIGN, PR_CALL, PR_COMP, PR_EEXPR, PR_LISTPATT, PR_ORDER, PR_PATTERN, PR_PRIM, PR_START

Constructor Summary

(package private)

FrameFinalNounExpr(SourceSpan optSpan, String name, int index)

Method Summary

NounExpr	asFieldAt(int index) Enabled:
Object	getRepresentation(EvalContext ctx) Enabled: Return the kind of object that should be stored in a frame, assuming an accessor of the same type as the receiver.
Slot	getSlot(EvalContext ctx) Enabled:
void	initFinal(EvalContext ctx, Object value) Enabled:
boolean	mayBeAssignable() Enabled:
protected Object	subEval(EvalContext ctx, boolean forValue) Default implementation of noun eval in terms of its slot.
void	subPrintOn(TextWriter out, int priority) Enabled:

Methods inherited from class org.erights.e.elang.evm.NounExpr

asNoun, assign, computeStaticScope, getIn, initSlot, isOuter, matchBind, name, welcome

Methods inherited from class org.erights.e.elang.evm.EExpr

__printOn, appendAllTo, appendTo, eval, eval, evalBool, printAsBlockOn, substitute, transform

Methods inherited from class org.erights.e.elang.evm.ENode

cleanCopy, copy, getOptPatternMap, getOptScopeMap, getPatternMap, getScopeMap, qbuild, setPatternMap, setScopeMap, staticScope, synEnv

Methods inherited from class org.erights.e.elang.evm.ParseNode

asText, getOptSpan, lnPrintOn, lnPrintOn, matchBind, matchBind, matchBind, printListOn, toString

Methods inherited from class java.lang.Object

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

Field Detail

myIndex

private final int myIndex

Constructor Detail

FrameFinalNounExpr

FrameFinalNounExpr(SourceSpan optSpan,
                   String name,
                   int index)

Method Detail

mayBeAssignable

public boolean mayBeAssignable()

Enabled:

Specified by:

mayBeAssignable in class NounExpr

getSlot

public Slot getSlot(EvalContext ctx)

Enabled:

Overrides:

getSlot in class NounExpr

subEval

protected Object subEval(EvalContext ctx,
                         boolean forValue)

Description copied from class: NounExpr

Default implementation of noun eval in terms of its slot.

Overrides:

subEval in class NounExpr

subPrintOn

public void subPrintOn(TextWriter out,
                       int priority)
                throws IOException

Enabled:

Overrides:

subPrintOn in class NounExpr

IOException

getRepresentation

public Object getRepresentation(EvalContext ctx)

Enabled: Return the kind of object that should be stored in a frame, assuming an accessor of the same type as the receiver.

Overrides:

getRepresentation in class NounExpr

asFieldAt

public NounExpr asFieldAt(int index)

Enabled:

Overrides:

asFieldAt in class NounExpr

initFinal

public void initFinal(EvalContext ctx,
                      Object value)

Enabled:

Overrides:

initFinal in class NounExpr