org.erights.e.elang.evm
Class LiteralNounExpr

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.TopNounExpr
                                      |
                                      +--org.erights.e.elang.evm.LiteralNounExpr

All Implemented Interfaces:

Cloneable, EPrintable, MatchMaker

public class LiteralNounExpr

extends TopNounExpr

Untamed: A noun-expr for compile-time literals, particularly universal constants.

Author:

E. Dean Tribble

Field Summary

private Object

myValue

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

LiteralNounExpr(SourceSpan optSpan, String name, Object value)
Enabled:

Method Summary

NounExpr	asFieldAt(int index) Enabled:
Slot	getSlot(EvalContext ctx) Enabled:
Slot	getTopSlot(OuterScope outers) Enabled:
void	initFinal(EvalContext ctx, Object value) Enabled:
boolean	isOuter() Enabled:
boolean	mayBeAssignable() Enabled:
protected Object	subEval(EvalContext ctx, boolean forValue) Default implementation of noun eval in terms of its slot.

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

asNoun, assign, computeStaticScope, getIn, getRepresentation, initSlot, matchBind, name, subPrintOn, 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

myValue

private final Object myValue

Constructor Detail

LiteralNounExpr

public LiteralNounExpr(SourceSpan optSpan,
                       String name,
                       Object value)

Enabled:

Method Detail

mayBeAssignable

public boolean mayBeAssignable()

Enabled:

Specified by:

mayBeAssignable in class NounExpr

isOuter

public boolean isOuter()

Enabled:

Overrides:

isOuter in class NounExpr

getSlot

public Slot getSlot(EvalContext ctx)

Enabled:

Overrides:

getSlot in class NounExpr

getTopSlot

public Slot getTopSlot(OuterScope outers)

Enabled:

Specified by:

getTopSlot in class TopNounExpr

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

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