Class IdTable

java.lang.Object
  AbstractTable
      IdTable

class IdTable

extends AbstractTable

Field Summary

static IdTable	idtable Global string table of identifiers
static IntTable	inttable Global string table of integer constants
static StringTable	stringtable Global string table of string constants
protected java.util.Vector	tbl Vector of table entries

Constructor Summary

(package private)

IdTable()

Method Summary

AbstractSymbol	addInt(int i) Adds the string representation of the specified integer to this string table
AbstractSymbol	addString(java.lang.String s) Adds the specified string to this string table
AbstractSymbol	addString(java.lang.String s, int maxchars) Adds prefix of the specified length to this string table
protected AbstractSymbol	getNewSymbol(java.lang.String s, int len, int index) Creates a new IdSymbol object.
java.util.Enumeration	getSymbols() Returns an enumeration of symbols in this string table
AbstractSymbol	lookup(int index) Looks up a symbol in this string table by its index A fatal error is signalled if the index is out of bounds.
AbstractSymbol	lookup(java.lang.String s) Looks up a symbol in this string table by its string representation A fatal error is signalled if the string is not in the table
java.lang.String	toString() Produces a printable representation of the string table

Methods inherited from class java.lang.Object

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

Field Detail

stringtable

public static StringTable stringtable

Global string table of string constants

idtable

public static IdTable idtable

Global string table of identifiers

inttable

public static IntTable inttable

Global string table of integer constants

tbl

protected java.util.Vector tbl

Vector of table entries

Constructor Detail

IdTable

IdTable()

Method Detail

getNewSymbol

protected AbstractSymbol getNewSymbol(java.lang.String s,
                                      int len,
                                      int index)

Creates a new IdSymbol object.

Specified by:

getNewSymbol in class AbstractTable

See Also:

IdSymbol

addString

public AbstractSymbol addString(java.lang.String s,
                                int maxchars)

Adds prefix of the specified length to this string table

Parameters:

s - the string to add

maxchars - the length of the prefix

Returns:

the symbol for the string s

addString

public AbstractSymbol addString(java.lang.String s)

Adds the specified string to this string table

Parameters:

s - the string to add

Returns:

the symbol for the string s

addInt

public AbstractSymbol addInt(int i)

Adds the string representation of the specified integer to this string table

Parameters:

i - the integer to add

Returns:

the symbol for the integer i

getSymbols

public java.util.Enumeration getSymbols()

Returns an enumeration of symbols in this string table

Returns:

an enumeration of symbols

See Also:

Enumeration

lookup

public AbstractSymbol lookup(int index)

Looks up a symbol in this string table by its index A fatal error is signalled if the index is out of bounds.

Parameters:

index - the index of the symbol

Returns:

a symbol corresponding to the index

lookup

public AbstractSymbol lookup(java.lang.String s)

Looks up a symbol in this string table by its string representation A fatal error is signalled if the string is not in the table

Parameters:

s - the string representation of the symbol

Returns:

a symbol corresponding to the string

toString

public java.lang.String toString()

Produces a printable representation of the string table