org.sonatype.gshell.parser.impl
Class Parser

java.lang.Object
  org.sonatype.gshell.parser.impl.Parser

All Implemented Interfaces:

ParserConstants, ParserTreeConstants

public class Parser
extends Object
implements ParserTreeConstants, ParserConstants

Support for command line parsing.

Since:

2.0

Author:

Jason Dillon

Field Summary

Token	jj_nt Next token.
protected JJTParserState	jjtree
Token	token Current token.
ParserTokenManager	token_source Generated Token Manager.

Fields inherited from interface org.sonatype.gshell.parser.impl.ParserTreeConstants

JJTCOMMANDLINE, JJTEXPRESSION, jjtNodeName, JJTOPAQUEARGUMENT, JJTPLAINARGUMENT, JJTQUOTEDARGUMENT, JJTVOID, JJTWHITESPACE

Fields inherited from interface org.sonatype.gshell.parser.impl.ParserConstants

COMMENT, DEFAULT, EOF, OPAQUE_STRING, QUOTED_STRING, STRING, tokenImage, WHITESPACE

Constructor Summary

Parser()

Parser(InputStream stream)
Constructor with InputStream.

Parser(InputStream stream, String encoding)
Constructor with InputStream and supplied encoding

Parser(ParserTokenManager tm)
Constructor with generated Token Manager.

Parser(Reader stream)
Constructor.

Method Summary

void	argument()
ASTCommandLine	commandLine()
void	disable_tracing() Disable tracing.
void	enable_tracing() Enable tracing.
void	expression()
ParseException	generateParseException() Generate ParseException.
Token	getNextToken() Get the next Token.
Token	getToken(int index) Get the specific Token.
void	opaqueArgument()
ASTCommandLine	parse(Reader reader)
void	plainArgument()
void	quotedArgument()
void	ReInit(InputStream stream) Reinitialise.
void	ReInit(InputStream stream, String encoding) Reinitialise.
void	ReInit(ParserTokenManager tm) Reinitialise.
void	ReInit(Reader stream) Reinitialise.
void	whitespace()

Methods inherited from class java.lang.Object

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

Field Detail

jjtree

protected JJTParserState jjtree

token_source

public ParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Detail

Parser

public Parser()

Parser

public Parser(InputStream stream)

Constructor with InputStream.

Parser

public Parser(InputStream stream,
              String encoding)

Constructor with InputStream and supplied encoding

Parser

public Parser(Reader stream)

Constructor.

Parser

public Parser(ParserTokenManager tm)

Constructor with generated Token Manager.

Method Detail

parse

public ASTCommandLine parse(Reader reader)
                     throws ParseException

Throws:

ParseException

commandLine

public final ASTCommandLine commandLine()
                                 throws ParseException

Throws:

ParseException

expression

public final void expression()
                      throws ParseException

Throws:

ParseException

whitespace

public final void whitespace()
                      throws ParseException

Throws:

ParseException

argument

public final void argument()
                    throws ParseException

Throws:

ParseException

quotedArgument

public final void quotedArgument()
                          throws ParseException

Throws:

ParseException

opaqueArgument

public final void opaqueArgument()
                          throws ParseException

Throws:

ParseException

plainArgument

public final void plainArgument()
                         throws ParseException

Throws:

ParseException

ReInit

public void ReInit(InputStream stream)

Reinitialise.

ReInit

public void ReInit(InputStream stream,
                   String encoding)

Reinitialise.

ReInit

public void ReInit(Reader stream)

Reinitialise.

ReInit

public void ReInit(ParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.