sisc.env
Class DelegatingSymEnv

java.lang.Object
  sisc.util.Util
      sisc.data.Expression
          sisc.data.Value
              sisc.env.DelegatingSymEnv

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Immediate, NamedValue, SymbolicEnvironment, ExpressionVisitee, Version

public class DelegatingSymEnv
extends Value
implements SymbolicEnvironment, NamedValue

See Also:

Serialized Form

Field Summary

Fields inherited from class sisc.data.Expression

annotations, EMPTYSET

Fields inherited from class sisc.util.Util

BACKQUOTE, BEGIN, bundles, caseSensitive, EMPTYLIST, EMPTYVEC, EOF, ERRORK, EVAL, EXPSC, EXPTOP, FALSE, FCONT, FIVE, JEXCEPTION, LAMBDA, LOCATION, maxFloatPrecision, MESSAGE, minFloatPrecision, NAME, OTHER, PARENT, permitInterrupts, QUOTE, QUOTESYM, REPORT, SETBANG, SISC, SISC_SPECIFIC, SISCB, SOURCE_COLUMN, SOURCE_FILE, SOURCE_LINE, SYMENV, THIS, TOPLEVEL, TRUE, UNQUOTE, UNQUOTE_SPLICING, VOID, ZV

Fields inherited from interface sisc.util.Version

VERSION

Constructor Summary

DelegatingSymEnv()

DelegatingSymEnv(Symbol name)

Method Summary

Value	asValue()
int	define(Symbol s, Value v)
void	display(ValueWriter w)
protected SymbolicEnvironment	getEnv()
int	getLoc(Symbol s)
SymbolicEnvironment	getParent()
SymbolicEnvironment	getSidecarEnvironment(Symbol env)
Value	lookup(int pi)
Value	lookup(Symbol s)
void	set(int envLoc, Value v)
void	setParent(SymbolicEnvironment e)
void	undefine(Symbol s)
boolean	visit(ExpressionVisitor v)

Methods inherited from class sisc.data.Value

apply, displayNamedOpaque, equals, eqv, eval, express, getValue, synopsis, synopsis, toString, valueEqual, valueHashCode, write, writeReplace

Methods inherited from class sisc.data.Expression

deserialize, deserializeAnnotations, getAnnotation, getAnnotation, getAnnotationKeys, getAnnotations, getName, readExternal, readResolve, serialize, serializeAnnotations, setAnnotation, setAnnotation, setName, visitAnnotations, writeExternal

Methods inherited from class sisc.util.Util

annotated, annotatedAppEval, append, argCheck, argsToSymbols, assq, bininport, bininstream, binoutport, binoutstream, box, character, charinport, charinreader, charoutport, charoutwriter, charsetFromString, chr, cont, currentClassLoader, env, error, error, error, error, error, error, error, expr, getDefaultCharacterSet, immutablePair, immutableVector, inport, javaExceptionToString, javaWrap, justify, length, liMessage, liMessage, liMessage, liMessage, liMessage, liMessage, liMessage, list, list, list, list, list, makeURL, mapcar, memq, nlib, num, outport, pair, pairToExpressions, pairToExpVect, pairToValues, proc, read, registerBundle, reverse, reverseInPlace, simpleErrorToString, sourceAnnotations, str, string, sym, symbol, symval, truePair, truth, truth, typeError, typeError, updateName, url, url, url, valArrayToList, valArrayToList, valArrayToVec, vec, warn, warn, warn

Methods inherited from class java.lang.Object

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

Methods inherited from interface sisc.env.SymbolicEnvironment

deserialize, getName, serialize, setName

Methods inherited from interface sisc.data.NamedValue

getName, setName

Constructor Detail

DelegatingSymEnv

public DelegatingSymEnv()

DelegatingSymEnv

public DelegatingSymEnv(Symbol name)

Method Detail

getEnv

protected SymbolicEnvironment getEnv()

display

public void display(ValueWriter w)
             throws java.io.IOException

Specified by:

display in class Value

Throws:

java.io.IOException

setParent

public void setParent(SymbolicEnvironment e)

Specified by:

setParent in interface SymbolicEnvironment

getParent

public SymbolicEnvironment getParent()

Specified by:

getParent in interface SymbolicEnvironment

getSidecarEnvironment

public SymbolicEnvironment getSidecarEnvironment(Symbol env)

Specified by:

getSidecarEnvironment in interface SymbolicEnvironment

asValue

public Value asValue()

Specified by:

asValue in interface SymbolicEnvironment

set

public void set(int envLoc,
                Value v)

Specified by:

set in interface SymbolicEnvironment

define

public int define(Symbol s,
                  Value v)

Specified by:

define in interface SymbolicEnvironment

getLoc

public int getLoc(Symbol s)

Specified by:

getLoc in interface SymbolicEnvironment

lookup

public Value lookup(Symbol s)

Specified by:

lookup in interface SymbolicEnvironment

lookup

public final Value lookup(int pi)

Specified by:

lookup in interface SymbolicEnvironment

undefine

public void undefine(Symbol s)

Specified by:

undefine in interface SymbolicEnvironment

visit

public boolean visit(ExpressionVisitor v)

Specified by:

visit in interface ExpressionVisitee

Overrides:

visit in class Expression