org.quasiliteral.syntax
Class ReplayLexer

java.lang.Object
  |
  +--org.quasiliteral.syntax.ReplayLexer

All Implemented Interfaces:

LexerFace, Marker, PassByProxy

public class ReplayLexer

extends Object

implements LexerFace

Untamed: The large number of bogus messages in this class is a symptom of a need to refactor.

Author:

Mark S. Miller

Field Summary

private AstroBuilder	myBuilder
private int	myNextToken
private Astro[]	myTokens

Fields inherited from interface org.quasiliteral.syntax.LexerFace

EOFCHAR, EOFTOK

Fields inherited from interface org.erights.e.elib.serial.PassByProxy

HONORARY, HONORED_NAMES

Constructor Summary

ReplayLexer(Astro[] tokens, AstroBuilder builder)
Enabled:

Method Summary

Astro	composite(short tagCode, Object data, SourceSpan optSpan) Enabled:
boolean	isEndOfFile() Enabled:
void	needMore(String msg) Enabled:
Astro	nextToken() Enabled:
Astro[]	nextTopLevelUnit() Enabled:
void	reset() Enabled:
void	setSource(Twine newSource) Enabled:
void	syntaxError(String msg) Enabled: XXX This really sucks compared to BaseLexer#syntaxError) for printing to a human, but at least it does report where the error is adequately for programmatic use.

Methods inherited from class java.lang.Object

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

Field Detail

myTokens

private final Astro[] myTokens

myNextToken

private int myNextToken

myBuilder

private final AstroBuilder myBuilder

Constructor Detail

ReplayLexer

public ReplayLexer(Astro[] tokens,
                   AstroBuilder builder)

Enabled:

Method Detail

setSource

public void setSource(Twine newSource)

Enabled:

Specified by:

setSource in interface LexerFace

reset

public void reset()

Enabled:

Specified by:

reset in interface LexerFace

composite

public Astro composite(short tagCode,
                       Object data,
                       SourceSpan optSpan)

Enabled:

Specified by:

composite in interface LexerFace

nextTopLevelUnit

public Astro[] nextTopLevelUnit()
                         throws IOException,
                                SyntaxException

Enabled:

Specified by:

nextTopLevelUnit in interface LexerFace

IOException

SyntaxException

nextToken

public Astro nextToken()
                throws IOException,
                       SyntaxException

Enabled:

Specified by:

nextToken in interface LexerFace

IOException

SyntaxException

syntaxError

public void syntaxError(String msg)
                 throws SyntaxException

Enabled: XXX This really sucks compared to BaseLexer#syntaxError) for printing to a human, but at least it does report where the error is adequately for programmatic use.

Specified by:

syntaxError in interface LexerFace

SyntaxException

needMore

public void needMore(String msg)
              throws NeedMoreException,
                     SyntaxException

Enabled:

Specified by:

needMore in interface LexerFace

NeedMoreException

SyntaxException

isEndOfFile

public boolean isEndOfFile()

Enabled:

Specified by:

isEndOfFile in interface LexerFace