sjm.examples.reserved
Class WordOrReservedState

java.lang.Object
  |
  +--sjm.parse.tokens.TokenizerState
        |
        +--sjm.parse.tokens.WordState
              |
              +--sjm.examples.reserved.WordOrReservedState

public class WordOrReservedState

extends WordState

Override WordState to return known reserved words as tokens of type TT_RESERVED.

Field Summary

static TokenType

TT_RESERVED A constant indicating that a token is a reserved word.

Fields inherited from class sjm.parse.tokens.WordState

charbuf, wordChar

Constructor Summary

WordOrReservedState()

Method Summary

void	addReservedWord(java.lang.String word) Adds the specified string as a known reserved word.
java.util.Vector	getReservedWords() Return all the known reserved words.
Token	nextToken(java.io.PushbackReader r, int c, Tokenizer t) Return a reserved token or a word token from a reader.

Methods inherited from class sjm.parse.tokens.WordState

checkBufLength, setWordChars, wordChar

Methods inherited from class java.lang.Object

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

Field Detail

TT_RESERVED

public static final TokenType TT_RESERVED

A constant indicating that a token is a reserved word.

Constructor Detail

WordOrReservedState

public WordOrReservedState()

Method Detail

addReservedWord

public void addReservedWord(java.lang.String word)

Adds the specified string as a known reserved word.

Parameters:

String - the word to add

getReservedWords

public java.util.Vector getReservedWords()

Return all the known reserved words.

Returns:

Vector all the known reserved words

nextToken

public Token nextToken(java.io.PushbackReader r,
                       int c,
                       Tokenizer t)
                throws java.io.IOException

Return a reserved token or a word token from a reader.

Overrides:

nextToken in class WordState

Returns:

a reserved token or a word token from a reader