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book/node_modules/highlight.js/es/languages/basic.js

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+/*
+Language: BASIC
+Author: Raphaël Assénat <raph@raphnet.net>
+Description: Based on the BASIC reference from the Tandy 1000 guide
+Website: https://en.wikipedia.org/wiki/Tandy_1000
+Category: system
+*/
+
+/** @type LanguageFn */
+function basic(hljs) {
+  const KEYWORDS = [
+    "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"
+  ];
+
+  return {
+    name: 'BASIC',
+    case_insensitive: true,
+    illegal: '^\.',
+    // Support explicitly typed variables that end with $%! or #.
+    keywords: {
+      $pattern: '[a-zA-Z][a-zA-Z0-9_$%!#]*',
+      keyword: KEYWORDS
+    },
+    contains: [
+      {
+        // Match strings that start with " and end with " or a line break
+        scope: 'string',
+        begin: /"/,
+        end: /"|$/,
+        contains: [ hljs.BACKSLASH_ESCAPE ]
+      },
+      hljs.COMMENT('REM', '$', { relevance: 10 }),
+      hljs.COMMENT('\'', '$', { relevance: 0 }),
+      {
+        // Match line numbers
+        className: 'symbol',
+        begin: '^[0-9]+ ',
+        relevance: 10
+      },
+      {
+        // Match typed numeric constants (1000, 12.34!, 1.2e5, 1.5#, 1.2D2)
+        className: 'number',
+        begin: '\\b\\d+(\\.\\d+)?([edED]\\d+)?[#\!]?',
+        relevance: 0
+      },
+      {
+        // Match hexadecimal numbers (&Hxxxx)
+        className: 'number',
+        begin: '(&[hH][0-9a-fA-F]{1,4})'
+      },
+      {
+        // Match octal numbers (&Oxxxxxx)
+        className: 'number',
+        begin: '(&[oO][0-7]{1,6})'
+      }
+    ]
+  };
+}
+
+export { basic as default };