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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("velocity", function() {
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15 function parseWords(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
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21 var keywords = parseWords("#end #else #break #stop #[[ #]] " +
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22 "#{end} #{else} #{break} #{stop}");
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23 var functions = parseWords("#if #elseif #foreach #set #include #parse #macro #define #evaluate " +
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24 "#{if} #{elseif} #{foreach} #{set} #{include} #{parse} #{macro} #{define} #{evaluate}");
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25 var specials = parseWords("$foreach.count $foreach.hasNext $foreach.first $foreach.last $foreach.topmost $foreach.parent.count $foreach.parent.hasNext $foreach.parent.first $foreach.parent.last $foreach.parent $velocityCount $!bodyContent $bodyContent");
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26 var isOperatorChar = /[+\-*&%=<>!?:\/|]/;
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27
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28 function chain(stream, state, f) {
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29 state.tokenize = f;
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30 return f(stream, state);
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31 }
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32 function tokenBase(stream, state) {
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33 var beforeParams = state.beforeParams;
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34 state.beforeParams = false;
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35 var ch = stream.next();
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36 // start of unparsed string?
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37 if ((ch == "'") && !state.inString && state.inParams) {
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38 state.lastTokenWasBuiltin = false;
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39 return chain(stream, state, tokenString(ch));
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40 }
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41 // start of parsed string?
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42 else if ((ch == '"')) {
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43 state.lastTokenWasBuiltin = false;
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44 if (state.inString) {
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45 state.inString = false;
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46 return "string";
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47 }
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48 else if (state.inParams)
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49 return chain(stream, state, tokenString(ch));
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50 }
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51 // is it one of the special signs []{}().,;? Separator?
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52 else if (/[\[\]{}\(\),;\.]/.test(ch)) {
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53 if (ch == "(" && beforeParams)
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54 state.inParams = true;
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55 else if (ch == ")") {
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56 state.inParams = false;
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57 state.lastTokenWasBuiltin = true;
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58 }
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59 return null;
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60 }
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61 // start of a number value?
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62 else if (/\d/.test(ch)) {
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63 state.lastTokenWasBuiltin = false;
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64 stream.eatWhile(/[\w\.]/);
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65 return "number";
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66 }
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67 // multi line comment?
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68 else if (ch == "#" && stream.eat("*")) {
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69 state.lastTokenWasBuiltin = false;
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70 return chain(stream, state, tokenComment);
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71 }
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72 // unparsed content?
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73 else if (ch == "#" && stream.match(/ *\[ *\[/)) {
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74 state.lastTokenWasBuiltin = false;
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75 return chain(stream, state, tokenUnparsed);
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76 }
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77 // single line comment?
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78 else if (ch == "#" && stream.eat("#")) {
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79 state.lastTokenWasBuiltin = false;
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80 stream.skipToEnd();
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81 return "comment";
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82 }
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83 // variable?
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84 else if (ch == "$") {
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85 stream.eat("!");
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86 stream.eatWhile(/[\w\d\$_\.{}-]/);
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87 // is it one of the specials?
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88 if (specials && specials.propertyIsEnumerable(stream.current())) {
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89 return "keyword";
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90 }
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91 else {
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92 state.lastTokenWasBuiltin = true;
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93 state.beforeParams = true;
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94 return "builtin";
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95 }
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96 }
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97 // is it a operator?
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98 else if (isOperatorChar.test(ch)) {
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99 state.lastTokenWasBuiltin = false;
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100 stream.eatWhile(isOperatorChar);
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101 return "operator";
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102 }
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103 else {
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104 // get the whole word
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105 stream.eatWhile(/[\w\$_{}@]/);
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106 var word = stream.current();
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107 // is it one of the listed keywords?
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108 if (keywords && keywords.propertyIsEnumerable(word))
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109 return "keyword";
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110 // is it one of the listed functions?
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111 if (functions && functions.propertyIsEnumerable(word) ||
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112 (stream.current().match(/^#@?[a-z0-9_]+ *$/i) && stream.peek()=="(") &&
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113 !(functions && functions.propertyIsEnumerable(word.toLowerCase()))) {
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114 state.beforeParams = true;
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115 state.lastTokenWasBuiltin = false;
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116 return "keyword";
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117 }
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118 if (state.inString) {
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119 state.lastTokenWasBuiltin = false;
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120 return "string";
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121 }
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122 if (stream.pos > word.length && stream.string.charAt(stream.pos-word.length-1)=="." && state.lastTokenWasBuiltin)
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123 return "builtin";
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124 // default: just a "word"
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125 state.lastTokenWasBuiltin = false;
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126 return null;
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127 }
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128 }
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129
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130 function tokenString(quote) {
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131 return function(stream, state) {
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132 var escaped = false, next, end = false;
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133 while ((next = stream.next()) != null) {
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134 if ((next == quote) && !escaped) {
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135 end = true;
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136 break;
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137 }
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138 if (quote=='"' && stream.peek() == '$' && !escaped) {
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139 state.inString = true;
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140 end = true;
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141 break;
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142 }
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143 escaped = !escaped && next == "\\";
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144 }
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145 if (end) state.tokenize = tokenBase;
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146 return "string";
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147 };
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148 }
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149
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150 function tokenComment(stream, state) {
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151 var maybeEnd = false, ch;
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152 while (ch = stream.next()) {
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153 if (ch == "#" && maybeEnd) {
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154 state.tokenize = tokenBase;
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155 break;
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156 }
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157 maybeEnd = (ch == "*");
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158 }
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159 return "comment";
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160 }
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161
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162 function tokenUnparsed(stream, state) {
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163 var maybeEnd = 0, ch;
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164 while (ch = stream.next()) {
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165 if (ch == "#" && maybeEnd == 2) {
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166 state.tokenize = tokenBase;
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167 break;
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168 }
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169 if (ch == "]")
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170 maybeEnd++;
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171 else if (ch != " ")
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172 maybeEnd = 0;
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173 }
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174 return "meta";
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175 }
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176 // Interface
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177
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178 return {
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179 startState: function() {
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180 return {
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181 tokenize: tokenBase,
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182 beforeParams: false,
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183 inParams: false,
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184 inString: false,
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185 lastTokenWasBuiltin: false
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186 };
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187 },
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188
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189 token: function(stream, state) {
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190 if (stream.eatSpace()) return null;
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191 return state.tokenize(stream, state);
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192 },
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193 blockCommentStart: "#*",
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194 blockCommentEnd: "*#",
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195 lineComment: "##",
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196 fold: "velocity"
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197 };
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198 });
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199
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200 CodeMirror.defineMIME("text/velocity", "velocity");
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201
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202 });
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