org.quasiliteral.antlr
Class AstroLexerSharedInputState

java.lang.Object
  |
  +--antlr.LexerSharedInputState
        |
        +--org.quasiliteral.antlr.AstroLexerSharedInputState

public class AstroLexerSharedInputState

extends LexerSharedInputState

Untamed: Extension of LexerSharedInputState that is aware of file names and can annotate ExtentTokens with them and with end position information.

Author:

based on Dan Bornstein's ExtentLexerSharedInputState, Mark Miller

Field Summary

private String

mySourceURL the name of the file this instance refers to

Fields inherited from class antlr.LexerSharedInputState

column, filename, guessing, input, line, tokenStartColumn, tokenStartLine

Constructor Summary

AstroLexerSharedInputState(InputStream s)
Enabled: Construct an instance.

AstroLexerSharedInputState(InputStream s, String url)
Enabled: Construct an instance.

Method Summary

void	annotate(AstroToken token) Enabled: Annotate an AstroToken based on this instance.
int	getColumn() Enabled: Get the current column of this instance.
int	getLine() Enabled: Get the current line of this instance.
String	getSourceURL() Enabled: Get the file name of this instance.
String	toString() Suppressed:

Methods inherited from class java.lang.Object

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

Field Detail

mySourceURL

private final String mySourceURL

the name of the file this instance refers to

Constructor Detail

AstroLexerSharedInputState

public AstroLexerSharedInputState(InputStream s,
                                  String url)

Enabled: Construct an instance.

Parameters:

s - the input stream to use

url - The file name to associate with this instance

AstroLexerSharedInputState

public AstroLexerSharedInputState(InputStream s)

Enabled: Construct an instance. The file name is set to null initially.

Parameters:

s - the input stream to use

Method Detail

toString

public String toString()

Suppressed:

Overrides:

toString in class Object

Returns:

a string representation of the object.

getLine

public int getLine()

Enabled: Get the current line of this instance.

Returns:

the current line number

getColumn

public int getColumn()

Enabled: Get the current column of this instance.

Returns:

the current column number

getSourceURL

public String getSourceURL()

Enabled: Get the file name of this instance.

Returns:

The file name

annotate

public void annotate(AstroToken token)

Enabled: Annotate an AstroToken based on this instance. It sets the end position information as well as the file name.

Parameters:

token - non-null; the token to annotate