Class ATNSerializer


  • public class ATNSerializer
    extends Object
    • Field Detail

      • atn

        public ATN atn
    • Constructor Detail

      • ATNSerializer

        public ATNSerializer​(ATN atn)
      • ATNSerializer

        public ATNSerializer​(ATN atn,
                             List<String> tokenNames)
    • Method Detail

      • serialize

        public IntegerList serialize()
        Serialize state descriptors, edge descriptors, and decision→state map into list of ints: grammar-type, (ANTLRParser.LEXER, ...) max token type, num states, state-0-type ruleIndex, state-1-type ruleIndex, ... state-i-type ruleIndex optional-arg ... num rules, rule-1-start-state rule-1-args, rule-2-start-state rule-2-args, ... (args are token type,actionIndex in lexer else 0,0) num modes, mode-0-start-state, mode-1-start-state, ... (parser has 0 modes) num unicode-bmp-sets bmp-set-0-interval-count intervals, bmp-set-1-interval-count intervals, ... num unicode-smp-sets smp-set-0-interval-count intervals, smp-set-1-interval-count intervals, ... num total edges, src, trg, edge-type, edge arg1, optional edge arg2 (present always), ... num decisions, decision-0-start-state, decision-1-start-state, ... Convenient to pack into unsigned shorts to make as Java string.
      • decode

        public String decode​(char[] data)
      • getTokenName

        public String getTokenName​(int t)
      • getSerializedAsString

        public static String getSerializedAsString​(ATN atn)
        Used by Java target to encode short/int array as chars in string.
      • getSerialized

        public static IntegerList getSerialized​(ATN atn)
      • getSerializedAsChars

        public static char[] getSerializedAsChars​(ATN atn)