coins.backend.sym
Class Symbol

java.lang.Object
  coins.backend.sym.Symbol

Direct Known Subclasses:

SymAuto, SymStatic, SymTemp

public abstract class Symbol

extends java.lang.Object

Symbol table entry

Field Summary

int	boundary
int	id
java.lang.String	name
(package private) ImList	opt
int	storage
SymTab	table
int	type

Constructor Summary

(package private)

Symbol(SymTab table, java.lang.String name, int id, int storage, int type, int boundary, ImList opt)

Method Summary

abstract java.lang.String	contents() Return contents of symbol instance.
ImList	opt() Return current option list.
(package private) static Symbol	parseSymbol(SymTab table, int id, ImList list) Create new symbol from listarg
(package private) java.lang.String	preSpace(java.lang.String x) Prepend space only if x is nonnull string
java.lang.String	printName() Name in print
void	setOpt(ImList prepend) Set options
abstract java.lang.Object	toSexp() Convert to external form.
java.lang.String	toString() Visualize symbol instance.

Methods inherited from class java.lang.Object

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

Field Detail

table

public final SymTab table

name

public final java.lang.String name

id

public final int id

storage

public final int storage

type

public final int type

boundary

public final int boundary

opt

ImList opt

Constructor Detail

Symbol

Symbol(SymTab table,
       java.lang.String name,
       int id,
       int storage,
       int type,
       int boundary,
       ImList opt)

Method Detail

parseSymbol

static Symbol parseSymbol(SymTab table,
                          int id,
                          ImList list)
                   throws SyntaxError

Create new symbol from listarg

Throws:

SyntaxError

preSpace

java.lang.String preSpace(java.lang.String x)

Prepend space only if x is nonnull string

setOpt

public void setOpt(ImList prepend)

Set options

opt

public ImList opt()

Return current option list.

toString

public java.lang.String toString()

Visualize symbol instance.

toSexp

public abstract java.lang.Object toSexp()

Convert to external form.

contents

public abstract java.lang.String contents()

Return contents of symbol instance.

printName

public java.lang.String printName()

Name in print