commonlisp.js
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/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("commonlisp", function (config) {
var specialForm = /^(block|let*|return-from|catch|load-time-value|setq|eval-when|locally|symbol-macrolet|flet|macrolet|tagbody|function|multiple-value-call|the|go|multiple-value-prog1|throw|if|progn|unwind-protect|labels|progv|let|quote)$/;
var assumeBody = /^with|^def|^do|^prog|case$|^cond$|bind$|when$|unless$/;
var numLiteral = /^(?:[+\-]?(?:\d+|\d*\.\d+)(?:[efd][+\-]?\d+)?|[+\-]?\d+(?:\/[+\-]?\d+)?|#b[+\-]?[01]+|#o[+\-]?[0-7]+|#x[+\-]?[\da-f]+)/;
var symbol = /[^\s'`,@()\[\]";]/;
var type;
function readSym(stream) {
var ch;
while (ch = stream.next()) {
if (ch == "\\") stream.next();
else if (!symbol.test(ch)) { stream.backUp(1); break; }
}
return stream.current();
}
function base(stream, state) {
if (stream.eatSpace()) {type = "ws"; return null;}
if (stream.match(numLiteral)) return "number";
var ch = stream.next();
if (ch == "\\") ch = stream.next();
if (ch == '"') return (state.tokenize = inString)(stream, state);
else if (ch == "(") { type = "open"; return "bracket"; }
else if (ch == ")" || ch == "]") { type = "close"; return "bracket"; }
else if (ch == ";") { stream.skipToEnd(); type = "ws"; return "comment"; }
else if (/['`,@]/.test(ch)) return null;
else if (ch == "|") {
if (stream.skipTo("|")) { stream.next(); return "symbol"; }
else { stream.skipToEnd(); return "error"; }
} else if (ch == "#") {
var ch = stream.next();
if (ch == "(") { type = "open"; return "bracket"; }
else if (/[+\-=\.']/.test(ch)) return null;
else if (/\d/.test(ch) && stream.match(/^\d*#/)) return null;
else if (ch == "|") return (state.tokenize = inComment)(stream, state);
else if (ch == ":") { readSym(stream); return "meta"; }
else if (ch == "\\") { stream.next(); readSym(stream); return "string-2" }
else return "error";
} else {
var name = readSym(stream);
if (name == ".") return null;
type = "symbol";
if (name == "nil" || name == "t" || name.charAt(0) == ":") return "atom";
if (state.lastType == "open" && (specialForm.test(name) || assumeBody.test(name))) return "keyword";
if (name.charAt(0) == "&") return "variable-2";
return "variable";
}
}
function inString(stream, state) {
var escaped = false, next;
while (next = stream.next()) {
if (next == '"' && !escaped) { state.tokenize = base; break; }
escaped = !escaped && next == "\\";
}
return "string";
}
function inComment(stream, state) {
var next, last;
while (next = stream.next()) {
if (next == "#" && last == "|") { state.tokenize = base; break; }
last = next;
}
type = "ws";
return "comment";
}
return {
startState: function () {
return {ctx: {prev: null, start: 0, indentTo: 0}, lastType: null, tokenize: base};
},
token: function (stream, state) {
if (stream.sol() && typeof state.ctx.indentTo != "number")
state.ctx.indentTo = state.ctx.start + 1;
type = null;
var style = state.tokenize(stream, state);
if (type != "ws") {
if (state.ctx.indentTo == null) {
if (type == "symbol" && assumeBody.test(stream.current()))
state.ctx.indentTo = state.ctx.start + config.indentUnit;
else
state.ctx.indentTo = "next";
} else if (state.ctx.indentTo == "next") {
state.ctx.indentTo = stream.column();
}
state.lastType = type;
}
if (type == "open") state.ctx = {prev: state.ctx, start: stream.column(), indentTo: null};
else if (type == "close") state.ctx = state.ctx.prev || state.ctx;
return style;
},
indent: function (state, _textAfter) {
var i = state.ctx.indentTo;
return typeof i == "number" ? i : state.ctx.start + 1;
},
closeBrackets: {pairs: "()[]{}\"\""},
lineComment: ";;",
fold: "brace-paren",
blockCommentStart: "#|",
blockCommentEnd: "|#"
};
});
CodeMirror.defineMIME("text/x-common-lisp", "commonlisp");
});