kmy.jint.parser
Class NameTable

java.lang.Object
  |
  +--kmy.jint.parser.NameTable

public class NameTable

extends java.lang.Object

This class keeps record of all identifiers and keywords. It maintains a single unique, copy of every identifier, and assigns every identifier a unique integer id. One can look up an identifier by its string representation.

Field Summary

Identifier	ADD
Identifier	ANY
Identifier	ARGLIST
Identifier	ARGV
Identifier	BLOCK
Identifier	CLASS
Identifier	CLINIT
Identifier	EVAL
Identifier	FALSE
Identifier	INIT
Identifier	JAVA
Identifier	JINT
Identifier	KMY
Identifier	LANG
Identifier	LENGTH
private java.util.Hashtable	nameTable
Identifier	NULL
(package private) static java.lang.String[]	privateReserved
(package private) static java.lang.String[]	reserved
Identifier	RUN
Identifier	RUNNABLE
Identifier	SELF
Identifier	SUPER
Identifier	THIS
Identifier	TRUE
Identifier	VAR
Identifier	VOID

Constructor Summary

NameTable()
Create a NameTable.

Method Summary

Identifier	lookup(java.lang.String name) Returns Identifier by its String representation.
Identifier	lookupAndInsert(java.lang.String name) Returns Identifier by its String representation.

Methods inherited from class java.lang.Object

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

Field Detail

reserved

static final java.lang.String[] reserved

privateReserved

static final java.lang.String[] privateReserved

nameTable

private java.util.Hashtable nameTable

ADD

public final Identifier ADD

ARGV

public final Identifier ARGV

ARGLIST

public final Identifier ARGLIST

BLOCK

public final Identifier BLOCK

EVAL

public final Identifier EVAL

SELF

public final Identifier SELF

INIT

public final Identifier INIT

CLINIT

public final Identifier CLINIT

LANG

public final Identifier LANG

JAVA

public final Identifier JAVA

JINT

public final Identifier JINT

ANY

public final Identifier ANY

KMY

public final Identifier KMY

LENGTH

public final Identifier LENGTH

RUN

public final Identifier RUN

RUNNABLE

public final Identifier RUNNABLE

VAR

public final Identifier VAR

THIS

public final Identifier THIS

SUPER

public final Identifier SUPER

TRUE

public final Identifier TRUE

FALSE

public final Identifier FALSE

NULL

public final Identifier NULL

CLASS

public final Identifier CLASS

VOID

public final Identifier VOID

Constructor Detail

NameTable

public NameTable()

Create a NameTable. Normally only one NameTable is needed.

Method Detail

lookup

public Identifier lookup(java.lang.String name)

Returns Identifier by its String representation. If no such identifier is yet defined, null is returned.

lookupAndInsert

public Identifier lookupAndInsert(java.lang.String name)

Returns Identifier by its String representation. If no such identifier is defined it gets inserted, so this method always returns an Identifier.