126 lines
4.5 KiB
JavaScript
126 lines
4.5 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("commonlisp", function (config) {
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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)$/;
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var assumeBody = /^with|^def|^do|^prog|case$|^cond$|bind$|when$|unless$/;
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var numLiteral = /^(?:[+\-]?(?:\d+|\d*\.\d+)(?:[efd][+\-]?\d+)?|[+\-]?\d+(?:\/[+\-]?\d+)?|#b[+\-]?[01]+|#o[+\-]?[0-7]+|#x[+\-]?[\da-f]+)/;
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var symbol = /[^\s'`,@()\[\]";]/;
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var type;
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function readSym(stream) {
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var ch;
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while (ch = stream.next()) {
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if (ch == "\\") stream.next();
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else if (!symbol.test(ch)) { stream.backUp(1); break; }
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}
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return stream.current();
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}
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function base(stream, state) {
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if (stream.eatSpace()) {type = "ws"; return null;}
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if (stream.match(numLiteral)) return "number";
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var ch = stream.next();
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if (ch == "\\") ch = stream.next();
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if (ch == '"') return (state.tokenize = inString)(stream, state);
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else if (ch == "(") { type = "open"; return "bracket"; }
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else if (ch == ")" || ch == "]") { type = "close"; return "bracket"; }
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else if (ch == ";") { stream.skipToEnd(); type = "ws"; return "comment"; }
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else if (/['`,@]/.test(ch)) return null;
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else if (ch == "|") {
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if (stream.skipTo("|")) { stream.next(); return "symbol"; }
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else { stream.skipToEnd(); return "error"; }
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} else if (ch == "#") {
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var ch = stream.next();
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if (ch == "(") { type = "open"; return "bracket"; }
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else if (/[+\-=\.']/.test(ch)) return null;
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else if (/\d/.test(ch) && stream.match(/^\d*#/)) return null;
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else if (ch == "|") return (state.tokenize = inComment)(stream, state);
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else if (ch == ":") { readSym(stream); return "meta"; }
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else if (ch == "\\") { stream.next(); readSym(stream); return "string-2" }
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else return "error";
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} else {
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var name = readSym(stream);
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if (name == ".") return null;
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type = "symbol";
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if (name == "nil" || name == "t" || name.charAt(0) == ":") return "atom";
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if (state.lastType == "open" && (specialForm.test(name) || assumeBody.test(name))) return "keyword";
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if (name.charAt(0) == "&") return "variable-2";
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return "variable";
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}
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}
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function inString(stream, state) {
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var escaped = false, next;
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while (next = stream.next()) {
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if (next == '"' && !escaped) { state.tokenize = base; break; }
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escaped = !escaped && next == "\\";
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}
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return "string";
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}
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function inComment(stream, state) {
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var next, last;
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while (next = stream.next()) {
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if (next == "#" && last == "|") { state.tokenize = base; break; }
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last = next;
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}
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type = "ws";
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return "comment";
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}
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return {
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startState: function () {
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return {ctx: {prev: null, start: 0, indentTo: 0}, lastType: null, tokenize: base};
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},
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token: function (stream, state) {
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if (stream.sol() && typeof state.ctx.indentTo != "number")
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state.ctx.indentTo = state.ctx.start + 1;
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type = null;
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var style = state.tokenize(stream, state);
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if (type != "ws") {
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if (state.ctx.indentTo == null) {
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if (type == "symbol" && assumeBody.test(stream.current()))
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state.ctx.indentTo = state.ctx.start + config.indentUnit;
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else
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state.ctx.indentTo = "next";
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} else if (state.ctx.indentTo == "next") {
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state.ctx.indentTo = stream.column();
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}
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state.lastType = type;
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}
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if (type == "open") state.ctx = {prev: state.ctx, start: stream.column(), indentTo: null};
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else if (type == "close") state.ctx = state.ctx.prev || state.ctx;
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return style;
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},
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indent: function (state, _textAfter) {
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var i = state.ctx.indentTo;
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return typeof i == "number" ? i : state.ctx.start + 1;
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},
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closeBrackets: {pairs: "()[]{}\"\""},
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lineComment: ";;",
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fold: "brace-paren",
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blockCommentStart: "#|",
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blockCommentEnd: "|#"
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};
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});
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CodeMirror.defineMIME("text/x-common-lisp", "commonlisp");
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});
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