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