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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 (function(mod) {
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5 if (typeof exports == "object" && typeof module == "object") // CommonJS
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6 mod(require("../../lib/codemirror"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror"], mod);
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9 else // Plain browser env
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10 mod(CodeMirror);
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11 })(function(CodeMirror) {
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12 "use strict";
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13
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14 CodeMirror.defineMode("commonlisp", function (config) {
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15 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)$/;
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16 var assumeBody = /^with|^def|^do|^prog|case$|^cond$|bind$|when$|unless$/;
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17 var numLiteral = /^(?:[+\-]?(?:\d+|\d*\.\d+)(?:[efd][+\-]?\d+)?|[+\-]?\d+(?:\/[+\-]?\d+)?|#b[+\-]?[01]+|#o[+\-]?[0-7]+|#x[+\-]?[\da-f]+)/;
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18 var symbol = /[^\s'`,@()\[\]";]/;
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19 var type;
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20
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21 function readSym(stream) {
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22 var ch;
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23 while (ch = stream.next()) {
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24 if (ch == "\\") stream.next();
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25 else if (!symbol.test(ch)) { stream.backUp(1); break; }
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26 }
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27 return stream.current();
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28 }
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29
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30 function base(stream, state) {
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31 if (stream.eatSpace()) {type = "ws"; return null;}
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32 if (stream.match(numLiteral)) return "number";
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33 var ch = stream.next();
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34 if (ch == "\\") ch = stream.next();
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35
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36 if (ch == '"') return (state.tokenize = inString)(stream, state);
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37 else if (ch == "(") { type = "open"; return "bracket"; }
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38 else if (ch == ")" || ch == "]") { type = "close"; return "bracket"; }
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39 else if (ch == ";") { stream.skipToEnd(); type = "ws"; return "comment"; }
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40 else if (/['`,@]/.test(ch)) return null;
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41 else if (ch == "|") {
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42 if (stream.skipTo("|")) { stream.next(); return "symbol"; }
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43 else { stream.skipToEnd(); return "error"; }
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44 } else if (ch == "#") {
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45 var ch = stream.next();
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46 if (ch == "(") { type = "open"; return "bracket"; }
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47 else if (/[+\-=\.']/.test(ch)) return null;
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48 else if (/\d/.test(ch) && stream.match(/^\d*#/)) return null;
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49 else if (ch == "|") return (state.tokenize = inComment)(stream, state);
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50 else if (ch == ":") { readSym(stream); return "meta"; }
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51 else if (ch == "\\") { stream.next(); readSym(stream); return "string-2" }
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52 else return "error";
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53 } else {
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54 var name = readSym(stream);
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55 if (name == ".") return null;
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56 type = "symbol";
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57 if (name == "nil" || name == "t" || name.charAt(0) == ":") return "atom";
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58 if (state.lastType == "open" && (specialForm.test(name) || assumeBody.test(name))) return "keyword";
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59 if (name.charAt(0) == "&") return "variable-2";
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60 return "variable";
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61 }
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62 }
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63
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64 function inString(stream, state) {
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65 var escaped = false, next;
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66 while (next = stream.next()) {
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67 if (next == '"' && !escaped) { state.tokenize = base; break; }
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68 escaped = !escaped && next == "\\";
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69 }
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70 return "string";
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71 }
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72
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73 function inComment(stream, state) {
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74 var next, last;
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75 while (next = stream.next()) {
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76 if (next == "#" && last == "|") { state.tokenize = base; break; }
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77 last = next;
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78 }
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79 type = "ws";
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80 return "comment";
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81 }
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82
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83 return {
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84 startState: function () {
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85 return {ctx: {prev: null, start: 0, indentTo: 0}, lastType: null, tokenize: base};
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86 },
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87
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88 token: function (stream, state) {
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89 if (stream.sol() && typeof state.ctx.indentTo != "number")
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90 state.ctx.indentTo = state.ctx.start + 1;
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91
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92 type = null;
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93 var style = state.tokenize(stream, state);
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94 if (type != "ws") {
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95 if (state.ctx.indentTo == null) {
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96 if (type == "symbol" && assumeBody.test(stream.current()))
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97 state.ctx.indentTo = state.ctx.start + config.indentUnit;
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98 else
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99 state.ctx.indentTo = "next";
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100 } else if (state.ctx.indentTo == "next") {
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101 state.ctx.indentTo = stream.column();
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102 }
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103 state.lastType = type;
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104 }
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105 if (type == "open") state.ctx = {prev: state.ctx, start: stream.column(), indentTo: null};
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106 else if (type == "close") state.ctx = state.ctx.prev || state.ctx;
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107 return style;
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108 },
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109
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110 indent: function (state, _textAfter) {
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111 var i = state.ctx.indentTo;
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112 return typeof i == "number" ? i : state.ctx.start + 1;
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113 },
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114
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115 closeBrackets: {pairs: "()[]{}\"\""},
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116 lineComment: ";;",
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117 fold: "brace-paren",
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118 blockCommentStart: "#|",
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119 blockCommentEnd: "|#"
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120 };
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121 });
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122
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123 CodeMirror.defineMIME("text/x-common-lisp", "commonlisp");
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124
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125 });
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