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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("vb", function(conf, parserConf) {
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15 var ERRORCLASS = 'error';
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16
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17 function wordRegexp(words) {
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18 return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
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19 }
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20
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21 var singleOperators = new RegExp("^[\\+\\-\\*/%&\\\\|\\^~<>!]");
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22 var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]');
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23 var doubleOperators = new RegExp("^((==)|(<>)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
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24 var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
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25 var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
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26 var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
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27
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28 var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try', 'structure', 'synclock', 'using', 'with'];
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29 var middleKeywords = ['else','elseif','case', 'catch', 'finally'];
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30 var endKeywords = ['next','loop'];
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31
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32 var operatorKeywords = ['and', "andalso", 'or', 'orelse', 'xor', 'in', 'not', 'is', 'isnot', 'like'];
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33 var wordOperators = wordRegexp(operatorKeywords);
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34
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35 var commonKeywords = ["#const", "#else", "#elseif", "#end", "#if", "#region", "addhandler", "addressof", "alias", "as", "byref", "byval", "cbool", "cbyte", "cchar", "cdate", "cdbl", "cdec", "cint", "clng", "cobj", "compare", "const", "continue", "csbyte", "cshort", "csng", "cstr", "cuint", "culng", "cushort", "declare", "default", "delegate", "dim", "directcast", "each", "erase", "error", "event", "exit", "explicit", "false", "for", "friend", "gettype", "goto", "handles", "implements", "imports", "infer", "inherits", "interface", "isfalse", "istrue", "lib", "me", "mod", "mustinherit", "mustoverride", "my", "mybase", "myclass", "namespace", "narrowing", "new", "nothing", "notinheritable", "notoverridable", "of", "off", "on", "operator", "option", "optional", "out", "overloads", "overridable", "overrides", "paramarray", "partial", "private", "protected", "public", "raiseevent", "readonly", "redim", "removehandler", "resume", "return", "shadows", "shared", "static", "step", "stop", "strict", "then", "throw", "to", "true", "trycast", "typeof", "until", "until", "when", "widening", "withevents", "writeonly"];
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36
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37 var commontypes = ['object', 'boolean', 'char', 'string', 'byte', 'sbyte', 'short', 'ushort', 'int16', 'uint16', 'integer', 'uinteger', 'int32', 'uint32', 'long', 'ulong', 'int64', 'uint64', 'decimal', 'single', 'double', 'float', 'date', 'datetime', 'intptr', 'uintptr'];
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38
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39 var keywords = wordRegexp(commonKeywords);
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40 var types = wordRegexp(commontypes);
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41 var stringPrefixes = '"';
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42
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43 var opening = wordRegexp(openingKeywords);
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44 var middle = wordRegexp(middleKeywords);
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45 var closing = wordRegexp(endKeywords);
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46 var doubleClosing = wordRegexp(['end']);
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47 var doOpening = wordRegexp(['do']);
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48
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49 var indentInfo = null;
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50
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51 CodeMirror.registerHelper("hintWords", "vb", openingKeywords.concat(middleKeywords).concat(endKeywords)
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52 .concat(operatorKeywords).concat(commonKeywords).concat(commontypes));
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53
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54 function indent(_stream, state) {
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55 state.currentIndent++;
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56 }
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57
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58 function dedent(_stream, state) {
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59 state.currentIndent--;
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60 }
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61 // tokenizers
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62 function tokenBase(stream, state) {
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63 if (stream.eatSpace()) {
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64 return null;
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65 }
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66
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67 var ch = stream.peek();
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68
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69 // Handle Comments
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70 if (ch === "'") {
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71 stream.skipToEnd();
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72 return 'comment';
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73 }
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74
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75
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76 // Handle Number Literals
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77 if (stream.match(/^((&H)|(&O))?[0-9\.a-f]/i, false)) {
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78 var floatLiteral = false;
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79 // Floats
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80 if (stream.match(/^\d*\.\d+F?/i)) { floatLiteral = true; }
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81 else if (stream.match(/^\d+\.\d*F?/)) { floatLiteral = true; }
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82 else if (stream.match(/^\.\d+F?/)) { floatLiteral = true; }
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83
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84 if (floatLiteral) {
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85 // Float literals may be "imaginary"
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86 stream.eat(/J/i);
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87 return 'number';
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88 }
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89 // Integers
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90 var intLiteral = false;
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91 // Hex
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92 if (stream.match(/^&H[0-9a-f]+/i)) { intLiteral = true; }
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93 // Octal
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94 else if (stream.match(/^&O[0-7]+/i)) { intLiteral = true; }
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95 // Decimal
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96 else if (stream.match(/^[1-9]\d*F?/)) {
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97 // Decimal literals may be "imaginary"
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98 stream.eat(/J/i);
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99 // TODO - Can you have imaginary longs?
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100 intLiteral = true;
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101 }
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102 // Zero by itself with no other piece of number.
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103 else if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; }
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104 if (intLiteral) {
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105 // Integer literals may be "long"
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106 stream.eat(/L/i);
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107 return 'number';
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108 }
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109 }
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110
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111 // Handle Strings
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112 if (stream.match(stringPrefixes)) {
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113 state.tokenize = tokenStringFactory(stream.current());
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114 return state.tokenize(stream, state);
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115 }
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116
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117 // Handle operators and Delimiters
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118 if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) {
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119 return null;
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120 }
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121 if (stream.match(doubleOperators)
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122 || stream.match(singleOperators)
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123 || stream.match(wordOperators)) {
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124 return 'operator';
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125 }
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126 if (stream.match(singleDelimiters)) {
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127 return null;
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128 }
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129 if (stream.match(doOpening)) {
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130 indent(stream,state);
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131 state.doInCurrentLine = true;
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132 return 'keyword';
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133 }
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134 if (stream.match(opening)) {
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135 if (! state.doInCurrentLine)
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136 indent(stream,state);
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137 else
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138 state.doInCurrentLine = false;
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139 return 'keyword';
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140 }
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141 if (stream.match(middle)) {
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142 return 'keyword';
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143 }
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144
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145 if (stream.match(doubleClosing)) {
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146 dedent(stream,state);
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147 dedent(stream,state);
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148 return 'keyword';
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149 }
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150 if (stream.match(closing)) {
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151 dedent(stream,state);
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152 return 'keyword';
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153 }
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154
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155 if (stream.match(types)) {
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156 return 'keyword';
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157 }
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158
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159 if (stream.match(keywords)) {
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160 return 'keyword';
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161 }
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162
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163 if (stream.match(identifiers)) {
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164 return 'variable';
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165 }
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166
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167 // Handle non-detected items
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168 stream.next();
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169 return ERRORCLASS;
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170 }
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171
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172 function tokenStringFactory(delimiter) {
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173 var singleline = delimiter.length == 1;
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174 var OUTCLASS = 'string';
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175
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176 return function(stream, state) {
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177 while (!stream.eol()) {
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178 stream.eatWhile(/[^'"]/);
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179 if (stream.match(delimiter)) {
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180 state.tokenize = tokenBase;
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181 return OUTCLASS;
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182 } else {
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183 stream.eat(/['"]/);
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184 }
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185 }
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186 if (singleline) {
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187 if (parserConf.singleLineStringErrors) {
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188 return ERRORCLASS;
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189 } else {
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190 state.tokenize = tokenBase;
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191 }
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192 }
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193 return OUTCLASS;
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194 };
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195 }
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196
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197
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198 function tokenLexer(stream, state) {
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199 var style = state.tokenize(stream, state);
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200 var current = stream.current();
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201
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202 // Handle '.' connected identifiers
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203 if (current === '.') {
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204 style = state.tokenize(stream, state);
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205 if (style === 'variable') {
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206 return 'variable';
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207 } else {
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208 return ERRORCLASS;
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209 }
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210 }
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211
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212
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213 var delimiter_index = '[({'.indexOf(current);
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214 if (delimiter_index !== -1) {
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215 indent(stream, state );
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216 }
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217 if (indentInfo === 'dedent') {
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218 if (dedent(stream, state)) {
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219 return ERRORCLASS;
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220 }
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221 }
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222 delimiter_index = '])}'.indexOf(current);
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223 if (delimiter_index !== -1) {
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224 if (dedent(stream, state)) {
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225 return ERRORCLASS;
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226 }
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227 }
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228
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229 return style;
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230 }
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231
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232 var external = {
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233 electricChars:"dDpPtTfFeE ",
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234 startState: function() {
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235 return {
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236 tokenize: tokenBase,
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237 lastToken: null,
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238 currentIndent: 0,
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239 nextLineIndent: 0,
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240 doInCurrentLine: false
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241
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242
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243 };
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244 },
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245
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246 token: function(stream, state) {
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247 if (stream.sol()) {
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248 state.currentIndent += state.nextLineIndent;
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249 state.nextLineIndent = 0;
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250 state.doInCurrentLine = 0;
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251 }
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252 var style = tokenLexer(stream, state);
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253
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254 state.lastToken = {style:style, content: stream.current()};
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255
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256
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257
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258 return style;
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259 },
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260
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261 indent: function(state, textAfter) {
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262 var trueText = textAfter.replace(/^\s+|\s+$/g, '') ;
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263 if (trueText.match(closing) || trueText.match(doubleClosing) || trueText.match(middle)) return conf.indentUnit*(state.currentIndent-1);
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264 if(state.currentIndent < 0) return 0;
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265 return state.currentIndent * conf.indentUnit;
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266 },
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267
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268 lineComment: "'"
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269 };
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270 return external;
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271 });
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272
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273 CodeMirror.defineMIME("text/x-vb", "vb");
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274
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275 });
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