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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("pascal", function() {
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15 function words(str) {
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16 var obj = {}, words = str.split(" ");
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17 for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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18 return obj;
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19 }
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20 var keywords = words(
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21 "absolute and array asm begin case const constructor destructor div do " +
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22 "downto else end file for function goto if implementation in inherited " +
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23 "inline interface label mod nil not object of operator or packed procedure " +
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24 "program record reintroduce repeat self set shl shr string then to type " +
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25 "unit until uses var while with xor as class dispinterface except exports " +
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26 "finalization finally initialization inline is library on out packed " +
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27 "property raise resourcestring threadvar try absolute abstract alias " +
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28 "assembler bitpacked break cdecl continue cppdecl cvar default deprecated " +
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29 "dynamic enumerator experimental export external far far16 forward generic " +
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30 "helper implements index interrupt iocheck local message name near " +
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31 "nodefault noreturn nostackframe oldfpccall otherwise overload override " +
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32 "pascal platform private protected public published read register " +
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33 "reintroduce result safecall saveregisters softfloat specialize static " +
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34 "stdcall stored strict unaligned unimplemented varargs virtual write");
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35 var atoms = {"null": true};
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36
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37 var isOperatorChar = /[+\-*&%=<>!?|\/]/;
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38
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39 function tokenBase(stream, state) {
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40 var ch = stream.next();
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41 if (ch == "#" && state.startOfLine) {
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42 stream.skipToEnd();
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43 return "meta";
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44 }
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45 if (ch == '"' || ch == "'") {
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46 state.tokenize = tokenString(ch);
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47 return state.tokenize(stream, state);
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48 }
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49 if (ch == "(" && stream.eat("*")) {
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50 state.tokenize = tokenComment;
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51 return tokenComment(stream, state);
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52 }
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53 if (ch == "{") {
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54 state.tokenize = tokenCommentBraces;
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55 return tokenCommentBraces(stream, state);
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56 }
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57 if (/[\[\]\(\),;\:\.]/.test(ch)) {
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58 return null;
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59 }
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60 if (/\d/.test(ch)) {
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61 stream.eatWhile(/[\w\.]/);
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62 return "number";
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63 }
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64 if (ch == "/") {
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65 if (stream.eat("/")) {
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66 stream.skipToEnd();
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67 return "comment";
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68 }
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69 }
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70 if (isOperatorChar.test(ch)) {
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71 stream.eatWhile(isOperatorChar);
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72 return "operator";
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73 }
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74 stream.eatWhile(/[\w\$_]/);
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75 var cur = stream.current();
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76 if (keywords.propertyIsEnumerable(cur)) return "keyword";
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77 if (atoms.propertyIsEnumerable(cur)) return "atom";
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78 return "variable";
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79 }
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80
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81 function tokenString(quote) {
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82 return function(stream, state) {
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83 var escaped = false, next, end = false;
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84 while ((next = stream.next()) != null) {
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85 if (next == quote && !escaped) {end = true; break;}
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86 escaped = !escaped && next == "\\";
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87 }
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88 if (end || !escaped) state.tokenize = null;
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89 return "string";
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90 };
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91 }
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92
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93 function tokenComment(stream, state) {
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94 var maybeEnd = false, ch;
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95 while (ch = stream.next()) {
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96 if (ch == ")" && maybeEnd) {
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97 state.tokenize = null;
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98 break;
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99 }
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100 maybeEnd = (ch == "*");
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101 }
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102 return "comment";
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103 }
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104
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105 function tokenCommentBraces(stream, state) {
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106 var ch;
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107 while (ch = stream.next()) {
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108 if (ch == "}") {
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109 state.tokenize = null;
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110 break;
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111 }
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112 }
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113 return "comment";
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114 }
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115
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116 // Interface
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117
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118 return {
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119 startState: function() {
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120 return {tokenize: null};
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121 },
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122
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123 token: function(stream, state) {
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124 if (stream.eatSpace()) return null;
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125 var style = (state.tokenize || tokenBase)(stream, state);
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126 if (style == "comment" || style == "meta") return style;
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127 return style;
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128 },
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129
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130 electricChars: "{}"
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131 };
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132 });
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133
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134 CodeMirror.defineMIME("text/x-pascal", "pascal");
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135
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136 });
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