LexerATNSimulator

this this(ATN atn, DFA[] decisionToDFA, PredictionContextCache sharedContextCache): Undocumented in source.
this this(Lexer recog, ATN atn, DFA[] decisionToDFA, PredictionContextCache sharedContextCache): Undocumented in source.

Members

Functions

accept void accept(CharStream input, LexerActionExecutor lexerActionExecutor, int startIndex, int index, int line, int charPos): Undocumented in source. Be warned that the author may not have intended to support it.
addDFAEdge DFAState addDFAEdge(DFAState from, int t, ATNConfigSet q): Undocumented in source. Be warned that the author may not have intended to support it.
addDFAEdge void addDFAEdge(DFAState p, int t, DFAState q): Undocumented in source. Be warned that the author may not have intended to support it.
addDFAState DFAState addDFAState(ATNConfigSet configs): Add a new DFA state if there isn't one with this set of configurations already. This method also detects the first configuration containing an ATN rule stop state. Later, when traversing the DFA, we will know which rule to accept.
captureSimState void captureSimState(SimState settings, CharStream input, DFAState dfaState): Undocumented in source. Be warned that the author may not have intended to support it.
clearDFA void clearDFA(): @uml @override
closure bool closure(CharStream input, LexerATNConfig config, ATNConfigSet configs, bool currentAltReachedAcceptState, bool speculative, bool treatEofAsEpsilon): @uml Since the alternatives within any lexer decision are ordered by preference, this method stops pursuing the closure as soon as an accept state is reached. After the first accept state is reached by depth-first search from {@code config}, all other (potentially reachable) states for this rule would have a lower priority.
computeStartState ATNConfigSet computeStartState(CharStream input, ATNState p): Undocumented in source. Be warned that the author may not have intended to support it.
computeTargetState DFAState computeTargetState(CharStream input, DFAState s, int t): @uml Compute a target state for an edge in the DFA, and attempt to add the computed state and corresponding edge to the DFA.
consume void consume(CharStream input): Undocumented in source. Be warned that the author may not have intended to support it.
copyState void copyState(LexerATNSimulator simulator): Undocumented in source. Be warned that the author may not have intended to support it.
evaluatePredicate bool evaluatePredicate(CharStream input, int ruleIndex, int predIndex, bool speculative): @uml Evaluate a predicate specified in the lexer.
execATN int execATN(CharStream input, DFAState ds0): Undocumented in source. Be warned that the author may not have intended to support it.
failOrAccept int failOrAccept(SimState prevAccept, CharStream input, ATNConfigSet reach, int t): Undocumented in source. Be warned that the author may not have intended to support it.
getCharPositionInLine int getCharPositionInLine(): Undocumented in source. Be warned that the author may not have intended to support it.
getDFA DFA getDFA(int mode): Undocumented in source. Be warned that the author may not have intended to support it.
getEpsilonTarget LexerATNConfig getEpsilonTarget(CharStream input, LexerATNConfig config, Transition t, ATNConfigSet configs, bool speculative, bool treatEofAsEpsilon): side-effect: can alter configs.hasSemanticContext
getExistingTargetState DFAState getExistingTargetState(DFAState s, int t): @uml Get an existing target state for an edge in the DFA. If the target state for the edge has not yet been computed or is otherwise not available, this method returns {@code null}.
getLine int getLine(): Undocumented in source. Be warned that the author may not have intended to support it.
getReachableConfigSet void getReachableConfigSet(CharStream input, ATNConfigSet closureATNConfigSet, ATNConfigSet reach, int t): @uml Given a starting configuration set, figure out all ATN configurations we can reach upon input {@code t}. Parameter {@code reach} is a return parameter.
getReachableTarget ATNState getReachableTarget(Transition trans, int t): Undocumented in source. Be warned that the author may not have intended to support it.
getText string getText(CharStream input): Undocumented in source. Be warned that the author may not have intended to support it.
getTokenName string getTokenName(int t): Undocumented in source. Be warned that the author may not have intended to support it.
match int match(CharStream input, int mode): Undocumented in source. Be warned that the author may not have intended to support it.
matchATN int matchATN(CharStream input): Undocumented in source. Be warned that the author may not have intended to support it.
reset void reset(): @uml @override
setCharPositionInLine void setCharPositionInLine(int charPositionInLine): Undocumented in source. Be warned that the author may not have intended to support it.
setLine void setLine(int line): Undocumented in source. Be warned that the author may not have intended to support it.

Static variables

MAX_DFA_EDGE int MAX_DFA_EDGE;: Undocumented in source.
MIN_DFA_EDGE int MIN_DFA_EDGE;: Undocumented in source.
match_calls int match_calls;: Undocumented in source.

Variables

charPositionInLine int charPositionInLine;: @uml The index of the character relative to the beginning of the line 0..n-1
decisionToDFA DFA[] decisionToDFA;: Undocumented in source.
line int line;: @uml line number 1..n within the input
mode int mode;: Undocumented in source.
prevAccept SimState prevAccept;: Undocumented in source.
recog Lexer recog;: Undocumented in source.
startIndex int startIndex;: @uml The current token's starting index into the character stream. Shared across DFA to ATN simulation in case the ATN fails and the DFA did not have a previous accept state. In this case, we use the ATN-generated exception object.

Inherited Members

From ATNSimulator

SERIALIZED_VERSION int SERIALIZED_VERSION;: Undocumented in source.
SERIALIZED_UUID UUID SERIALIZED_UUID;: This is the current serialized UUID. deprecated Use {@link ATNDeserializer#checkCondition(boolean)} instead.
ERROR DFAState ERROR;: Must distinguish between missing edge and edge we know leads nowhere
atn ATN atn;: Undocumented in source.
sharedContextCache PredictionContextCache sharedContextCache;: The context cache maps all PredictionContext objects that are equals() to a single cached copy. This cache is shared across all contexts in all ATNConfigs in all DFA states. We rebuild each ATNConfigSet to use only cached nodes/graphs in addDFAState(). We don't want to fill this during closure() since there are lots of contexts that pop up but are not used ever again. It also greatly slows down closure().
reset void reset(): Undocumented in source.
clearDFA void clearDFA(): Clear the DFA cache used by the current instance. Since the DFA cache may be shared by multiple ATN simulators, this method may affect the performance (but not accuracy) of other parsers which are being used concurrently.
getSharedContextCache PredictionContextCache getSharedContextCache(): Undocumented in source. Be warned that the author may not have intended to support it.
getCachedContext PredictionContext getCachedContext(PredictionContext context): Undocumented in source. Be warned that the author may not have intended to support it.

LexerATNSimulator

Constructors

Members

Functions

Static variables

Variables

Inherited Members

From ATNSimulator

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