static bool ts_lex()

in tree-sitter-ccomment/src/parser.c [168:338]

• 171 lines of code
• 120 McCabe index (conditional complexity)

static bool ts_lex(TSLexer *lexer, TSStateId state) {
  START_LEXER();
  eof = lexer->eof(lexer);
  switch (state) {
    case 0:
      if (eof) ADVANCE(20);
      if (lookahead == '"') ADVANCE(6);
      if (lookahead == '#') ADVANCE(23);
      if (lookahead == '\'') ADVANCE(7);
      if (lookahead == '/') ADVANCE(8);
      if (lookahead == 'R') ADVANCE(21);
      if (('\t' <= lookahead && lookahead <= '\r') ||
          lookahead == ' ') ADVANCE(22);
      if (lookahead != 0) ADVANCE(24);
      END_STATE();
    case 1:
      if (lookahead == '\n') ADVANCE(27);
      if (lookahead == '\\') ADVANCE(2);
      if (('\t' <= lookahead && lookahead <= '\r') ||
          lookahead == ' ') ADVANCE(1);
      if (lookahead != 0) ADVANCE(4);
      END_STATE();
    case 2:
      if (lookahead == '\n') ADVANCE(25);
      if (lookahead == '\r') ADVANCE(3);
      if (lookahead == '\\') ADVANCE(2);
      if (lookahead != 0) ADVANCE(4);
      END_STATE();
    case 3:
      if (lookahead == '\n') ADVANCE(25);
      if (lookahead == '\\') ADVANCE(2);
      if (lookahead != 0) ADVANCE(4);
      END_STATE();
    case 4:
      if (lookahead == '\n') ADVANCE(26);
      if (lookahead == '\\') ADVANCE(2);
      if (lookahead != 0) ADVANCE(4);
      END_STATE();
    case 5:
      if (lookahead == '\r') ADVANCE(33);
      if (lookahead != 0) ADVANCE(32);
      END_STATE();
    case 6:
      if (lookahead == '"') ADVANCE(29);
      if (lookahead == '\\') ADVANCE(18);
      if (lookahead != 0) ADVANCE(6);
      END_STATE();
    case 7:
      if (lookahead == '\'') ADVANCE(30);
      if (lookahead == '\\') ADVANCE(19);
      if (lookahead != 0) ADVANCE(7);
      END_STATE();
    case 8:
      if (lookahead == '*') ADVANCE(10);
      if (lookahead == '/') ADVANCE(32);
      END_STATE();
    case 9:
      if (lookahead == '*') ADVANCE(9);
      if (lookahead == '/') ADVANCE(31);
      if (lookahead != 0) ADVANCE(10);
      END_STATE();
    case 10:
      if (lookahead == '*') ADVANCE(9);
      if (lookahead != 0) ADVANCE(10);
      END_STATE();
    case 11:
      if (lookahead == 'd') ADVANCE(12);
      if (lookahead == '\t' ||
          lookahead == ' ') ADVANCE(11);
      END_STATE();
    case 12:
      if (lookahead == 'e') ADVANCE(14);
      END_STATE();
    case 13:
      if (lookahead == 'e') ADVANCE(17);
      END_STATE();
    case 14:
      if (lookahead == 'f') ADVANCE(15);
      END_STATE();
    case 15:
      if (lookahead == 'i') ADVANCE(16);
      END_STATE();
    case 16:
      if (lookahead == 'n') ADVANCE(13);
      END_STATE();
    case 17:
      if (lookahead == '\t' ||
          lookahead == ' ') ADVANCE(28);
      END_STATE();
    case 18:
      if (lookahead != 0) ADVANCE(6);
      END_STATE();
    case 19:
      if (lookahead != 0) ADVANCE(7);
      END_STATE();
    case 20:
      ACCEPT_TOKEN(ts_builtin_sym_end);
      END_STATE();
    case 21:
      ACCEPT_TOKEN(sym_nothing);
      END_STATE();
    case 22:
      ACCEPT_TOKEN(sym_nothing);
      if (lookahead == '#') ADVANCE(23);
      if (lookahead == 'R') ADVANCE(21);
      if (('\t' <= lookahead && lookahead <= '\r') ||
          lookahead == ' ') ADVANCE(22);
      if (lookahead != 0 &&
          lookahead != '"' &&
          lookahead != '#' &&
          lookahead != '\'' &&
          lookahead != '/') ADVANCE(24);
      END_STATE();
    case 23:
      ACCEPT_TOKEN(sym_nothing);
      if (lookahead == 'd') ADVANCE(12);
      if (lookahead == '\t' ||
          lookahead == ' ') ADVANCE(11);
      END_STATE();
    case 24:
      ACCEPT_TOKEN(sym_nothing);
      if (lookahead != 0 &&
          lookahead != '"' &&
          lookahead != '#' &&
          lookahead != '\'' &&
          lookahead != '/' &&
          lookahead != 'R') ADVANCE(24);
      END_STATE();
    case 25:
      ACCEPT_TOKEN(sym_preproc_continuation_line);
      END_STATE();
    case 26:
      ACCEPT_TOKEN(sym_preproc_line);
      END_STATE();
    case 27:
      ACCEPT_TOKEN(sym_preproc_line);
      if (lookahead == '\n') ADVANCE(27);
      if (lookahead == '\\') ADVANCE(2);
      if (('\t' <= lookahead && lookahead <= '\r') ||
          lookahead == ' ') ADVANCE(1);
      if (lookahead != 0) ADVANCE(4);
      END_STATE();
    case 28:
      ACCEPT_TOKEN(aux_sym_define_token1);
      if (lookahead == '\t' ||
          lookahead == ' ') ADVANCE(28);
      END_STATE();
    case 29:
      ACCEPT_TOKEN(aux_sym_string_literal_token1);
      END_STATE();
    case 30:
      ACCEPT_TOKEN(aux_sym_char_literal_token1);
      END_STATE();
    case 31:
      ACCEPT_TOKEN(sym_comment);
      END_STATE();
    case 32:
      ACCEPT_TOKEN(sym_comment);
      if (lookahead == '\\') ADVANCE(5);
      if (lookahead != 0 &&
          lookahead != '\n') ADVANCE(32);
      END_STATE();
    case 33:
      ACCEPT_TOKEN(sym_comment);
      if (lookahead == '\\') ADVANCE(5);
      if (lookahead != 0) ADVANCE(32);
      END_STATE();
    default:
      return false;
  }
}