com.puppycrawl.tools.checkstyle.grammar

Class CrAwareLexerSimulator

java.lang.Object

org.antlr.v4.runtime.atn.ATNSimulator

org.antlr.v4.runtime.atn.LexerATNSimulator

com.puppycrawl.tools.checkstyle.grammar.CrAwareLexerSimulator

public class CrAwareLexerSimulator
extends org.antlr.v4.runtime.atn.LexerATNSimulator

Extends the LexerATNSimulator class in order to override the 'consume()' method so that we can handle '\r' line endings (pre-OSX macOs line endings) correctly in the ANTLR lexer.

Nested Class Summary

Nested classes/interfaces inherited from class org.antlr.v4.runtime.atn.LexerATNSimulator

org.antlr.v4.runtime.atn.LexerATNSimulator.SimState

Field Summary

Fields inherited from class org.antlr.v4.runtime.atn.LexerATNSimulator

charPositionInLine, debug, decisionToDFA, dfa_debug, line, MAX_DFA_EDGE, MIN_DFA_EDGE, mode, prevAccept, recog, startIndex

Fields inherited from class org.antlr.v4.runtime.atn.ATNSimulator

atn, ERROR, SERIALIZED_UUID, SERIALIZED_VERSION, sharedContextCache

Constructor Summary

Constructors

Constructor and Description
CrAwareLexerSimulator(org.antlr.v4.runtime.Lexer lexer, org.antlr.v4.runtime.atn.ATN augmented, org.antlr.v4.runtime.dfa.DFA[] decisionToDfa, org.antlr.v4.runtime.atn.PredictionContextCache sharedContextCache) Constructs a CrAwareLexerSimulator to interpret the input from the lexer.

Method Summary

Modifier and Type	Method and Description
void	consume(org.antlr.v4.runtime.CharStream input) Overrides the 'consume()' method to add support for '\r' (carriage return) line endings.

Methods inherited from class org.antlr.v4.runtime.atn.LexerATNSimulator

accept, addDFAEdge, addDFAEdge, addDFAState, captureSimState, clearDFA, closure, computeStartState, computeTargetState, copyState, evaluatePredicate, execATN, failOrAccept, getCharPositionInLine, getDFA, getEpsilonTarget, getExistingTargetState, getLine, getReachableConfigSet, getReachableTarget, getText, getTokenName, match, matchATN, reset, setCharPositionInLine, setLine

Methods inherited from class org.antlr.v4.runtime.atn.ATNSimulator

checkCondition, checkCondition, deserialize, edgeFactory, getCachedContext, getSharedContextCache, stateFactory, toInt, toInt32, toLong, toUUID

Methods inherited from class java.lang.Object

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

Constructor Detail

CrAwareLexerSimulator

public CrAwareLexerSimulator(org.antlr.v4.runtime.Lexer lexer,
                             org.antlr.v4.runtime.atn.ATN augmented,
                             org.antlr.v4.runtime.dfa.DFA[] decisionToDfa,
                             org.antlr.v4.runtime.atn.PredictionContextCache sharedContextCache)

Constructs a CrAwareLexerSimulator to interpret the input from the lexer.

Parameters:

lexer - the current lexer

augmented - the augmented transition network

decisionToDfa - the DFA to store our states in

sharedContextCache - cache of PredictionContext objects

Method Detail

consume

public void consume(org.antlr.v4.runtime.CharStream input)

Overrides the 'consume()' method to add support for '\r' (carriage return) line endings.

Overrides:

consume in class org.antlr.v4.runtime.atn.LexerATNSimulator

Parameters:

input - the Character stream of the file we are parsing