Package COM.activesw.api.util.lexer

Class FileLexer

java.lang.Object

COM.activesw.api.util.lexer.FileLexer

Direct Known Subclasses:

JavaLexer

public abstract class FileLexer
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
FileLexer(java.io.Reader reader)
FileLexer(java.io.Reader reader, ReadBuffer readbuf)

Method Summary

Modifier and Type	Method	Description
char	getChar()
int	getExprIndex()
int	getLineNumber()
int	getLineStart()
ReadBuffer	getReadBuffer()
Token	getToken()
java.lang.Character	parseChar(char c)
java.lang.String	parseIdentifier(char c)
java.lang.Number	parseNumber(char firstChar)
java.lang.Number	parseNumber(char firstChar, boolean neg)	first char should be [0-9-+.]
java.lang.String	parseString(char c)
char	peekChar()
char[]	setChar(char[] buf, int index, char c)
void	setToken(Token token)
abstract short	yylex(java.lang.Object lexrock, java.lang.Object yylval, java.util.Hashtable t)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileLexer

public FileLexer(java.io.Reader reader)

FileLexer

public FileLexer(java.io.Reader reader,
                 ReadBuffer readbuf)

Method Detail

yylex

public abstract short yylex(java.lang.Object lexrock,
                            java.lang.Object yylval,
                            java.util.Hashtable t)

getReadBuffer

public ReadBuffer getReadBuffer()

setToken

public void setToken(Token token)

getToken

public Token getToken()

getLineStart

public int getLineStart()

getLineNumber

public int getLineNumber()

getExprIndex

public int getExprIndex()

getChar

public char getChar()
             throws java.io.IOException

Throws:

java.io.IOException

peekChar

public char peekChar()
              throws java.io.IOException

Throws:

java.io.IOException

parseIdentifier

public java.lang.String parseIdentifier(char c)
                                 throws java.io.IOException,
                                        ParseException

Throws:

java.io.IOException

ParseException

parseChar

public java.lang.Character parseChar(char c)
                              throws java.io.IOException,
                                     ParseException

Throws:

java.io.IOException

ParseException

parseString

public java.lang.String parseString(char c)
                             throws java.io.IOException,
                                    ParseException

Throws:

java.io.IOException

ParseException

parseNumber

public java.lang.Number parseNumber(char firstChar)
                             throws ParseNumberException,
                                    java.io.IOException

Throws:

ParseNumberException

java.io.IOException

parseNumber

public java.lang.Number parseNumber(char firstChar,
                                    boolean neg)
                             throws ParseNumberException,
                                    java.io.IOException

first char should be [0-9-+.]

note that the radix is hardcoded to '.', this may be different in another locale.

Throws:

ParseNumberException

java.io.IOException

setChar

public char[] setChar(char[] buf,
                      int index,
                      char c)