CoCalc -- apl.js

GitHub Repository: malwaredllc/byob
Path: blob/master/web-gui/buildyourownbotnet/assets/js/codemirror/mode/apl/apl.js
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CodeMirror.defineMode("apl", function() {
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  var builtInOps = {
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    ".": "innerProduct",
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    "\\": "scan",
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    "/": "reduce",
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    "⌿": "reduce1Axis",
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    "⍀": "scan1Axis",
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    "¨": "each",
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    "⍣": "power"
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  };
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  var builtInFuncs = {
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    "+": ["conjugate", "add"],
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    "−": ["negate", "subtract"],
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    "×": ["signOf", "multiply"],
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    "÷": ["reciprocal", "divide"],
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    "⌈": ["ceiling", "greaterOf"],
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    "⌊": ["floor", "lesserOf"],
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    "∣": ["absolute", "residue"],
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    "⍳": ["indexGenerate", "indexOf"],
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    "?": ["roll", "deal"],
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    "⋆": ["exponentiate", "toThePowerOf"],
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    "⍟": ["naturalLog", "logToTheBase"],
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    "○": ["piTimes", "circularFuncs"],
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    "!": ["factorial", "binomial"],
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    "⌹": ["matrixInverse", "matrixDivide"],
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    "<": [null, "lessThan"],
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    "≤": [null, "lessThanOrEqual"],
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    "=": [null, "equals"],
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    ">": [null, "greaterThan"],
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    "≥": [null, "greaterThanOrEqual"],
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    "≠": [null, "notEqual"],
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    "≡": ["depth", "match"],
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    "≢": [null, "notMatch"],
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    "∈": ["enlist", "membership"],
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    "⍷": [null, "find"],
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    "∪": ["unique", "union"],
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    "∩": [null, "intersection"],
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    "∼": ["not", "without"],
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    "∨": [null, "or"],
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    "∧": [null, "and"],
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    "⍱": [null, "nor"],
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    "⍲": [null, "nand"],
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    "⍴": ["shapeOf", "reshape"],
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    ",": ["ravel", "catenate"],
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    "⍪": [null, "firstAxisCatenate"],
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    "⌽": ["reverse", "rotate"],
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    "⊖": ["axis1Reverse", "axis1Rotate"],
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    "⍉": ["transpose", null],
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    "↑": ["first", "take"],
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    "↓": [null, "drop"],
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    "⊂": ["enclose", "partitionWithAxis"],
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    "⊃": ["diclose", "pick"],
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    "⌷": [null, "index"],
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    "⍋": ["gradeUp", null],
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    "⍒": ["gradeDown", null],
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    "⊤": ["encode", null],
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    "⊥": ["decode", null],
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    "⍕": ["format", "formatByExample"],
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    "⍎": ["execute", null],
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    "⊣": ["stop", "left"],
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    "⊢": ["pass", "right"]
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  };
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  var isOperator = /[\.\/⌿⍀¨⍣]/;
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  var isNiladic = /⍬/;
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  var isFunction = /[\+−×÷⌈⌊∣⍳\?⋆⍟○!⌹<≤=>≥≠≡≢∈⍷∪∩∼∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⌷⍋⍒⊤⊥⍕⍎⊣⊢]/;
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  var isArrow = /←/;
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  var isComment = /[⍝#].*$/;
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  var stringEater = function(type) {
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    var prev;
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    prev = false;
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    return function(c) {
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      prev = c;
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      if (c === type) {
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        return prev === "\\";
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      }
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      return true;
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    };
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  };
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  return {
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    startState: function() {
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      return {
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        prev: false,
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        func: false,
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        op: false,
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        string: false,
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        escape: false
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      };
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    },
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    token: function(stream, state) {
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      var ch, funcName, word;
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      if (stream.eatSpace()) {
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        return null;
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      }
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      ch = stream.next();
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      if (ch === '"' || ch === "'") {
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        stream.eatWhile(stringEater(ch));
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        stream.next();
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        state.prev = true;
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        return "string";
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      }
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      if (/[\[{\(]/.test(ch)) {
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        state.prev = false;
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        return null;
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      }
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      if (/[\]}\)]/.test(ch)) {
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        state.prev = true;
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        return null;
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      }
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      if (isNiladic.test(ch)) {
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        state.prev = false;
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        return "niladic";
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      }
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      if (/[¯\d]/.test(ch)) {
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        if (state.func) {
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          state.func = false;
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          state.prev = false;
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        } else {
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          state.prev = true;
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        }
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        stream.eatWhile(/[\w\.]/);
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        return "number";
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      }
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      if (isOperator.test(ch)) {
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        return "operator apl-" + builtInOps[ch];
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      }
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      if (isArrow.test(ch)) {
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        return "apl-arrow";
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      }
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      if (isFunction.test(ch)) {
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        funcName = "apl-";
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        if (builtInFuncs[ch] != null) {
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          if (state.prev) {
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            funcName += builtInFuncs[ch][1];
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          } else {
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            funcName += builtInFuncs[ch][0];
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          }
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        }
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        state.func = true;
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        state.prev = false;
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        return "function " + funcName;
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      }
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      if (isComment.test(ch)) {
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        stream.skipToEnd();
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        return "comment";
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      }
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      if (ch === "∘" && stream.peek() === ".") {
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        stream.next();
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        return "function jot-dot";
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      }
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      stream.eatWhile(/[\w\$_]/);
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      word = stream.current();
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      state.prev = true;
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      return "keyword";
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    }
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  };
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});
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CodeMirror.defineMIME("text/apl", "apl");
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