org.apache.groovy.parser.antlr4

Class AbstractLexer

java.lang.Object

org.antlr.v4.runtime.Recognizer<java.lang.Integer,org.antlr.v4.runtime.atn.LexerATNSimulator>

org.antlr.v4.runtime.Lexer

org.apache.groovy.parser.antlr4.AbstractLexer

All Implemented Interfaces:

org.antlr.v4.runtime.TokenSource, SyntaxErrorReportable

Direct Known Subclasses:

GroovyLexer

public abstract class AbstractLexer
extends org.antlr.v4.runtime.Lexer
implements SyntaxErrorReportable

Because antlr4 does not support generating lexer with specified interface, we have to create a super class for it and implement the interface.

Field Summary

Fields inherited from class org.antlr.v4.runtime.Lexer

_channel, _factory, _hitEOF, _input, _mode, _modeStack, _text, _token, _tokenFactorySourcePair, _tokenStartCharIndex, _tokenStartCharPositionInLine, _tokenStartLine, _type, DEFAULT_MODE, DEFAULT_TOKEN_CHANNEL, HIDDEN, MAX_CHAR_VALUE, MIN_CHAR_VALUE, MORE, SKIP

Fields inherited from class org.antlr.v4.runtime.Recognizer

_interp, EOF

Constructor Summary

Constructors

Constructor and Description
AbstractLexer(org.antlr.v4.runtime.CharStream input)

Method Summary

Modifier and Type	Method and Description
PositionInfo	genPositionInfo(int offset)
void	require(boolean condition, java.lang.String msg)
void	require(boolean condition, java.lang.String msg, boolean toAttachPositionInfo)
void	require(boolean condition, java.lang.String msg, int offset)
void	require(boolean condition, java.lang.String msg, int offset, boolean toAttachPositionInfo)
void	throwSyntaxError(java.lang.String msg, int offset, boolean toAttachPositionInfo)

Methods inherited from class org.antlr.v4.runtime.Lexer

emit, emit, emitEOF, getAllTokens, getChannel, getChannelNames, getCharErrorDisplay, getCharIndex, getCharPositionInLine, getErrorDisplay, getErrorDisplay, getInputStream, getLine, getModeNames, getSourceName, getText, getToken, getTokenFactory, getTokenNames, getType, mode, more, nextToken, notifyListeners, popMode, pushMode, recover, recover, reset, setChannel, setCharPositionInLine, setInputStream, setLine, setText, setToken, setTokenFactory, setType, skip, validateInputStream

Methods inherited from class org.antlr.v4.runtime.Recognizer

action, addErrorListener, getATN, getErrorHeader, getErrorListenerDispatch, getErrorListeners, getGrammarFileName, getInterpreter, getParseInfo, getRuleIndexMap, getRuleNames, getSerializedATN, getState, getTokenErrorDisplay, getTokenType, getTokenTypeMap, getVocabulary, precpred, removeErrorListener, removeErrorListeners, sempred, setInterpreter, setState

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.groovy.parser.antlr4.SyntaxErrorReportable

getErrorColumn, getErrorLine, getSyntaxErrorSource

Constructor Detail

AbstractLexer

public AbstractLexer(org.antlr.v4.runtime.CharStream input)

Method Detail

require

public void require(boolean condition,
                    java.lang.String msg,
                    boolean toAttachPositionInfo)

Specified by:

require in interface SyntaxErrorReportable

require

public void require(boolean condition,
                    java.lang.String msg)

Specified by:

require in interface SyntaxErrorReportable

require

public void require(boolean condition,
                    java.lang.String msg,
                    int offset,
                    boolean toAttachPositionInfo)

Specified by:

require in interface SyntaxErrorReportable

require

public void require(boolean condition,
                    java.lang.String msg,
                    int offset)

Specified by:

require in interface SyntaxErrorReportable

throwSyntaxError

public void throwSyntaxError(java.lang.String msg,
                             int offset,
                             boolean toAttachPositionInfo)

Specified by:

throwSyntaxError in interface SyntaxErrorReportable

genPositionInfo

public PositionInfo genPositionInfo(int offset)

Specified by:

genPositionInfo in interface SyntaxErrorReportable