basic top-level property

Language basic

Implementation

final basic = Language(
  id: "basic",
  refs: {},
  name: "BASIC",
  case_insensitive: true,
  illegal: "^.",
  keywords: {
    "\$pattern": "[a-zA-Z][a-zA-Z0-9_\$%!#]*",
    "keyword": [
      "ABS",
      "ASC",
      "AND",
      "ATN",
      "AUTO|0",
      "BEEP",
      "BLOAD|10",
      "BSAVE|10",
      "CALL",
      "CALLS",
      "CDBL",
      "CHAIN",
      "CHDIR",
      "CHR\$|10",
      "CINT",
      "CIRCLE",
      "CLEAR",
      "CLOSE",
      "CLS",
      "COLOR",
      "COM",
      "COMMON",
      "CONT",
      "COS",
      "CSNG",
      "CSRLIN",
      "CVD",
      "CVI",
      "CVS",
      "DATA",
      "DATE\$",
      "DEFDBL",
      "DEFINT",
      "DEFSNG",
      "DEFSTR",
      "DEF|0",
      "SEG",
      "USR",
      "DELETE",
      "DIM",
      "DRAW",
      "EDIT",
      "END",
      "ENVIRON",
      "ENVIRON\$",
      "EOF",
      "EQV",
      "ERASE",
      "ERDEV",
      "ERDEV\$",
      "ERL",
      "ERR",
      "ERROR",
      "EXP",
      "FIELD",
      "FILES",
      "FIX",
      "FOR|0",
      "FRE",
      "GET",
      "GOSUB|10",
      "GOTO",
      "HEX\$",
      "IF",
      "THEN",
      "ELSE|0",
      "INKEY\$",
      "INP",
      "INPUT",
      "INPUT#",
      "INPUT\$",
      "INSTR",
      "IMP",
      "INT",
      "IOCTL",
      "IOCTL\$",
      "KEY",
      "ON",
      "OFF",
      "LIST",
      "KILL",
      "LEFT\$",
      "LEN",
      "LET",
      "LINE",
      "LLIST",
      "LOAD",
      "LOC",
      "LOCATE",
      "LOF",
      "LOG",
      "LPRINT",
      "USING",
      "LSET",
      "MERGE",
      "MID\$",
      "MKDIR",
      "MKD\$",
      "MKI\$",
      "MKS\$",
      "MOD",
      "NAME",
      "NEW",
      "NEXT",
      "NOISE",
      "NOT",
      "OCT\$",
      "ON",
      "OR",
      "PEN",
      "PLAY",
      "STRIG",
      "OPEN",
      "OPTION",
      "BASE",
      "OUT",
      "PAINT",
      "PALETTE",
      "PCOPY",
      "PEEK",
      "PMAP",
      "POINT",
      "POKE",
      "POS",
      "PRINT",
      "PRINT]",
      "PSET",
      "PRESET",
      "PUT",
      "RANDOMIZE",
      "READ",
      "REM",
      "RENUM",
      "RESET|0",
      "RESTORE",
      "RESUME",
      "RETURN|0",
      "RIGHT\$",
      "RMDIR",
      "RND",
      "RSET",
      "RUN",
      "SAVE",
      "SCREEN",
      "SGN",
      "SHELL",
      "SIN",
      "SOUND",
      "SPACE\$",
      "SPC",
      "SQR",
      "STEP",
      "STICK",
      "STOP",
      "STR\$",
      "STRING\$",
      "SWAP",
      "SYSTEM",
      "TAB",
      "TAN",
      "TIME\$",
      "TIMER",
      "TROFF",
      "TRON",
      "TO",
      "USR",
      "VAL",
      "VARPTR",
      "VARPTR\$",
      "VIEW",
      "WAIT",
      "WHILE",
      "WEND",
      "WIDTH",
      "WINDOW",
      "WRITE",
      "XOR"
    ]
  },
  contains: [
    QUOTE_STRING_MODE,
    Mode(
      scope: "comment",
      begin: "REM",
      end: "\$",
      contains: [
        Mode(
          scope: "doctag",
          begin: "[ ]*(?=(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):)",
          end: "(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):",
          excludeBegin: true,
          relevance: 0,
        ),
        Mode(
          begin:
              "[ ]+((?:I|a|is|so|us|to|at|if|in|it|on|[A-Za-z]+['](d|ve|re|ll|t|s|n)|[A-Za-z]+[-][a-z]+|[A-Za-z][a-z]{2,})[.]?[:]?([.][ ]|[ ])){3}",
        ),
      ],
      relevance: 10,
    ),
    Mode(
      scope: "comment",
      begin: "'",
      end: "\$",
      contains: [
        Mode(
          scope: "doctag",
          begin: "[ ]*(?=(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):)",
          end: "(TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):",
          excludeBegin: true,
          relevance: 0,
        ),
        Mode(
          begin:
              "[ ]+((?:I|a|is|so|us|to|at|if|in|it|on|[A-Za-z]+['](d|ve|re|ll|t|s|n)|[A-Za-z]+[-][a-z]+|[A-Za-z][a-z]{2,})[.]?[:]?([.][ ]|[ ])){3}",
        ),
      ],
      relevance: 0,
    ),
    Mode(
      className: "symbol",
      begin: "^[0-9]+ ",
      relevance: 10,
    ),
    Mode(
      className: "number",
      begin: "\\b\\d+(\\.\\d+)?([edED]\\d+)?[#!]?",
      relevance: 0,
    ),
    Mode(
      className: "number",
      begin: "(&[hH][0-9a-fA-F]{1,4})",
    ),
    Mode(
      className: "number",
      begin: "(&[oO][0-7]{1,6})",
    ),
  ],
);