1 | CodeMirror.defineMode("clike", function(config, parserConfig) { |
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2 | var indentUnit = config.indentUnit, keywords = parserConfig.keywords, |
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3 | cpp = parserConfig.useCPP, multiLineStrings = parserConfig.multiLineStrings, $vars = parserConfig.$vars; |
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4 | var isOperatorChar = /[+\-*&%=<>!?|]/; |
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5 | |
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6 | function chain(stream, state, f) { |
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7 | state.tokenize = f; |
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8 | return f(stream, state); |
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9 | } |
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10 | |
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11 | var type; |
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12 | function ret(tp, style) { |
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13 | type = tp; |
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14 | return style; |
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15 | } |
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16 | |
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17 | function tokenBase(stream, state) { |
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18 | var ch = stream.next(); |
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19 | if (ch == '"' || ch == "'") |
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20 | return chain(stream, state, tokenString(ch)); |
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21 | else if (/[\[\]{}\(\),;\:\.]/.test(ch)) |
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22 | return ret(ch); |
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23 | else if (ch == "#" && cpp && state.startOfLine) { |
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24 | stream.skipToEnd(); |
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25 | return ret("directive", "c-like-preprocessor"); |
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26 | } |
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27 | else if (/\d/.test(ch)) { |
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28 | stream.eatWhile(/[\w\.]/) |
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29 | return ret("number", "c-like-number"); |
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30 | } |
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31 | else if (ch == "/") { |
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32 | if (stream.eat("*")) { |
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33 | return chain(stream, state, tokenComment); |
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34 | } |
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35 | else if (stream.eat("/")) { |
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36 | stream.skipToEnd(); |
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37 | return ret("comment", "c-like-comment"); |
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38 | } |
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39 | else { |
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40 | stream.eatWhile(isOperatorChar); |
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41 | return ret("operator"); |
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42 | } |
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43 | } |
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44 | else if (isOperatorChar.test(ch)) { |
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45 | stream.eatWhile(isOperatorChar); |
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46 | return ret("operator"); |
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47 | } |
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48 | else if ($vars && ch == "$") { |
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49 | stream.eatWhile(/[\w\$_]/); |
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50 | return ret("word", "c-like-var"); |
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51 | } |
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52 | else { |
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53 | stream.eatWhile(/[\w\$_]/); |
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54 | if (keywords && keywords.propertyIsEnumerable(stream.current())) return ret("keyword", "c-like-keyword"); |
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55 | return ret("word", "c-like-word"); |
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56 | } |
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57 | } |
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58 | |
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59 | function tokenString(quote) { |
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60 | return function(stream, state) { |
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61 | var escaped = false, next, end = false; |
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62 | while ((next = stream.next()) != null) { |
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63 | if (next == quote && !escaped) {end = true; break;} |
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64 | escaped = !escaped && next == "\\"; |
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65 | } |
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66 | if (end || !(escaped || multiLineStrings)) |
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67 | state.tokenize = tokenBase; |
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68 | return ret("string", "c-like-string"); |
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69 | }; |
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70 | } |
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71 | |
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72 | function tokenComment(stream, state) { |
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73 | var maybeEnd = false, ch; |
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74 | while (ch = stream.next()) { |
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75 | if (ch == "/" && maybeEnd) { |
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76 | state.tokenize = tokenBase; |
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77 | break; |
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78 | } |
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79 | maybeEnd = (ch == "*"); |
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80 | } |
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81 | return ret("comment", "c-like-comment"); |
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82 | } |
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83 | |
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84 | function Context(indented, column, type, align, prev) { |
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85 | this.indented = indented; |
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86 | this.column = column; |
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87 | this.type = type; |
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88 | this.align = align; |
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89 | this.prev = prev; |
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90 | } |
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91 | |
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92 | function pushContext(state, col, type) { |
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93 | return state.context = new Context(state.indented, col, type, null, state.context); |
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94 | } |
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95 | function popContext(state) { |
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96 | return state.context = state.context.prev; |
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97 | } |
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98 | |
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99 | // Interface |
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100 | |
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101 | return { |
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102 | startState: function(basecolumn) { |
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103 | return { |
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104 | tokenize: tokenBase, |
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105 | context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), |
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106 | indented: 0, |
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107 | startOfLine: true |
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108 | }; |
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109 | }, |
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110 | |
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111 | token: function(stream, state) { |
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112 | var ctx = state.context; |
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113 | if (stream.sol()) { |
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114 | if (ctx.align == null) ctx.align = false; |
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115 | state.indented = stream.indentation(); |
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116 | state.startOfLine = true; |
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117 | } |
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118 | if (stream.eatSpace()) return null; |
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119 | var style = state.tokenize(stream, state); |
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120 | if (type == "comment") return style; |
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121 | if (ctx.align == null) ctx.align = true; |
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122 | |
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123 | if ((type == ";" || type == ":") && ctx.type == "statement") popContext(state); |
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124 | else if (type == "{") pushContext(state, stream.column(), "}"); |
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125 | else if (type == "[") pushContext(state, stream.column(), "]"); |
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126 | else if (type == "(") pushContext(state, stream.column(), ")"); |
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127 | else if (type == "}") { |
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128 | if (ctx.type == "statement") ctx = popContext(state); |
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129 | if (ctx.type == "}") ctx = popContext(state); |
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130 | if (ctx.type == "statement") ctx = popContext(state); |
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131 | } |
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132 | else if (type == ctx.type) popContext(state); |
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133 | else if (ctx.type == "}") pushContext(state, stream.column(), "statement"); |
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134 | state.startOfLine = false; |
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135 | return style; |
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136 | }, |
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137 | |
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138 | indent: function(state, textAfter) { |
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139 | if (state.tokenize != tokenBase) return 0; |
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140 | var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type; |
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141 | if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit); |
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142 | else if (ctx.align) return ctx.column + (closing ? 0 : 1); |
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143 | else return ctx.indented + (closing ? 0 : indentUnit); |
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144 | }, |
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145 | |
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146 | electricChars: "{}" |
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147 | }; |
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148 | }); |
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149 | |
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150 | (function() { |
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151 | function keywords(str) { |
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152 | var obj = {}, words = str.split(" "); |
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153 | for (var i = 0; i < words.length; ++i) obj[words[i]] = true; |
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154 | return obj; |
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155 | } |
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156 | var cKeywords = "auto if break int case long char register continue return default short do sizeof " + |
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157 | "double static else struct entry switch extern typedef float union for unsigned " + |
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158 | "goto while enum void const signed volatile"; |
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159 | |
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160 | CodeMirror.defineMIME("text/x-csrc", { |
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161 | name: "clike", |
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162 | useCPP: true, |
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163 | keywords: keywords(cKeywords) |
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164 | }); |
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165 | CodeMirror.defineMIME("text/x-c++src", { |
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166 | name: "clike", |
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167 | useCPP: true, |
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168 | keywords: keywords(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " + |
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169 | "static_cast typeid catch false operator template typename class friend private " + |
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170 | "this using const_cast inline public throw virtual delete mutable protected true " + |
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171 | "wchar_t") |
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172 | }); |
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173 | CodeMirror.defineMIME("text/x-java", { |
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174 | name: "clike", |
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175 | keywords: keywords("abstract assert boolean break byte case catch char class const continue default " + |
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176 | "do double else enum extends false final finally float for goto if implements import " + |
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177 | "instanceof int interface long native new null package private protected public " + |
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178 | "return short static strictfp super switch synchronized this throw throws transient " + |
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179 | "true try void volatile while") |
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180 | }); |
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181 | }()); |
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