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7 |
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8 | (function(mod) {
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9 | if (typeof exports == "object" && typeof module == "object")
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10 | mod(require("../../lib/codemirror"));
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11 | else if (typeof define == "function" && define.amd)
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12 | define(["../../lib/codemirror"], mod);
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13 | else
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14 | mod(CodeMirror);
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15 | })(function(CodeMirror) {
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16 | "use strict";
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17 |
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18 | CodeMirror.defineMode("coffeescript", function(conf, parserConf) {
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19 | var ERRORCLASS = "error";
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20 |
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21 | function wordRegexp(words) {
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22 | return new RegExp("^((" + words.join(")|(") + "))\\b");
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23 | }
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24 |
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25 | var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/;
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26 | var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/;
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27 | var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/;
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28 | var atProp = /^@[_A-Za-z$][_A-Za-z$0-9]*/;
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29 |
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30 | var wordOperators = wordRegexp(["and", "or", "not",
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31 | "is", "isnt", "in",
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32 | "instanceof", "typeof"]);
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33 | var indentKeywords = ["for", "while", "loop", "if", "unless", "else",
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34 | "switch", "try", "catch", "finally", "class"];
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35 | var commonKeywords = ["break", "by", "continue", "debugger", "delete",
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36 | "do", "in", "of", "new", "return", "then",
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37 | "this", "@", "throw", "when", "until", "extends"];
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38 |
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39 | var keywords = wordRegexp(indentKeywords.concat(commonKeywords));
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40 |
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41 | indentKeywords = wordRegexp(indentKeywords);
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42 |
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43 |
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44 | var stringPrefixes = /^('{3}|\"{3}|['\"])/;
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45 | var regexPrefixes = /^(\/{3}|\/)/;
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46 | var commonConstants = ["Infinity", "NaN", "undefined", "null", "true", "false", "on", "off", "yes", "no"];
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47 | var constants = wordRegexp(commonConstants);
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48 |
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49 |
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50 | function tokenBase(stream, state) {
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51 |
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52 | if (stream.sol()) {
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53 | if (state.scope.align === null) state.scope.align = false;
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54 | var scopeOffset = state.scope.offset;
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55 | if (stream.eatSpace()) {
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56 | var lineOffset = stream.indentation();
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57 | if (lineOffset > scopeOffset && state.scope.type == "coffee") {
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58 | return "indent";
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59 | } else if (lineOffset < scopeOffset) {
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60 | return "dedent";
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61 | }
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62 | return null;
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63 | } else {
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64 | if (scopeOffset > 0) {
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65 | dedent(stream, state);
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66 | }
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67 | }
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68 | }
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69 | if (stream.eatSpace()) {
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70 | return null;
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71 | }
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72 |
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73 | var ch = stream.peek();
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74 |
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75 |
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76 | if (stream.match("####")) {
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77 | stream.skipToEnd();
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78 | return "comment";
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79 | }
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80 |
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81 |
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82 | if (stream.match("###")) {
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83 | state.tokenize = longComment;
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84 | return state.tokenize(stream, state);
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85 | }
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86 |
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87 |
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88 | if (ch === "#") {
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89 | stream.skipToEnd();
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90 | return "comment";
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91 | }
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92 |
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93 |
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94 | if (stream.match(/^-?[0-9\.]/, false)) {
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95 | var floatLiteral = false;
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96 |
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97 | if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) {
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98 | floatLiteral = true;
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99 | }
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100 | if (stream.match(/^-?\d+\.\d*/)) {
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101 | floatLiteral = true;
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102 | }
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103 | if (stream.match(/^-?\.\d+/)) {
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104 | floatLiteral = true;
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105 | }
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106 |
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107 | if (floatLiteral) {
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108 |
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109 | if (stream.peek() == "."){
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110 | stream.backUp(1);
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111 | }
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112 | return "number";
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113 | }
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114 |
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115 | var intLiteral = false;
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116 |
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117 | if (stream.match(/^-?0x[0-9a-f]+/i)) {
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118 | intLiteral = true;
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119 | }
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120 |
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121 | if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) {
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122 | intLiteral = true;
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123 | }
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124 |
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125 | if (stream.match(/^-?0(?![\dx])/i)) {
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126 | intLiteral = true;
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127 | }
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128 | if (intLiteral) {
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129 | return "number";
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130 | }
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131 | }
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132 |
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133 |
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134 | if (stream.match(stringPrefixes)) {
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135 | state.tokenize = tokenFactory(stream.current(), false, "string");
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136 | return state.tokenize(stream, state);
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137 | }
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138 |
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139 | if (stream.match(regexPrefixes)) {
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140 | if (stream.current() != "/" || stream.match(/^.*\//, false)) {
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141 | state.tokenize = tokenFactory(stream.current(), true, "string-2");
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142 | return state.tokenize(stream, state);
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143 | } else {
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144 | stream.backUp(1);
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145 | }
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146 | }
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147 |
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148 |
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149 |
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150 |
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151 | if (stream.match(operators) || stream.match(wordOperators)) {
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152 | return "operator";
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153 | }
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154 | if (stream.match(delimiters)) {
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155 | return "punctuation";
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156 | }
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157 |
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158 | if (stream.match(constants)) {
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159 | return "atom";
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160 | }
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161 |
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162 | if (stream.match(atProp) || state.prop && stream.match(identifiers)) {
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163 | return "property";
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164 | }
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165 |
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166 | if (stream.match(keywords)) {
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167 | return "keyword";
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168 | }
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169 |
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170 | if (stream.match(identifiers)) {
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171 | return "variable";
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172 | }
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173 |
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174 |
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175 | stream.next();
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176 | return ERRORCLASS;
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177 | }
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178 |
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179 | function tokenFactory(delimiter, singleline, outclass) {
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180 | return function(stream, state) {
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181 | while (!stream.eol()) {
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182 | stream.eatWhile(/[^'"\/\\]/);
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183 | if (stream.eat("\\")) {
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184 | stream.next();
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185 | if (singleline && stream.eol()) {
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186 | return outclass;
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187 | }
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188 | } else if (stream.match(delimiter)) {
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189 | state.tokenize = tokenBase;
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190 | return outclass;
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191 | } else {
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192 | stream.eat(/['"\/]/);
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193 | }
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194 | }
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195 | if (singleline) {
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196 | if (parserConf.singleLineStringErrors) {
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197 | outclass = ERRORCLASS;
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198 | } else {
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199 | state.tokenize = tokenBase;
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200 | }
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201 | }
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202 | return outclass;
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203 | };
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204 | }
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205 |
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206 | function longComment(stream, state) {
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207 | while (!stream.eol()) {
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208 | stream.eatWhile(/[^#]/);
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209 | if (stream.match("###")) {
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210 | state.tokenize = tokenBase;
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211 | break;
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212 | }
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213 | stream.eatWhile("#");
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214 | }
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215 | return "comment";
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216 | }
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217 |
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218 | function indent(stream, state, type) {
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219 | type = type || "coffee";
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220 | var offset = 0, align = false, alignOffset = null;
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221 | for (var scope = state.scope; scope; scope = scope.prev) {
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222 | if (scope.type === "coffee" || scope.type == "}") {
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223 | offset = scope.offset + conf.indentUnit;
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224 | break;
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225 | }
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226 | }
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227 | if (type !== "coffee") {
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228 | align = null;
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229 | alignOffset = stream.column() + stream.current().length;
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230 | } else if (state.scope.align) {
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231 | state.scope.align = false;
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232 | }
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233 | state.scope = {
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234 | offset: offset,
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235 | type: type,
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236 | prev: state.scope,
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237 | align: align,
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238 | alignOffset: alignOffset
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239 | };
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240 | }
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241 |
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242 | function dedent(stream, state) {
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243 | if (!state.scope.prev) return;
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244 | if (state.scope.type === "coffee") {
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245 | var _indent = stream.indentation();
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246 | var matched = false;
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247 | for (var scope = state.scope; scope; scope = scope.prev) {
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248 | if (_indent === scope.offset) {
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249 | matched = true;
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250 | break;
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251 | }
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252 | }
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253 | if (!matched) {
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254 | return true;
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255 | }
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256 | while (state.scope.prev && state.scope.offset !== _indent) {
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257 | state.scope = state.scope.prev;
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258 | }
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259 | return false;
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260 | } else {
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261 | state.scope = state.scope.prev;
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262 | return false;
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263 | }
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264 | }
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265 |
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266 | function tokenLexer(stream, state) {
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267 | var style = state.tokenize(stream, state);
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268 | var current = stream.current();
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269 |
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270 |
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271 | if (current === "return") {
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272 | state.dedent = true;
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273 | }
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274 | if (((current === "->" || current === "=>") && stream.eol())
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275 | || style === "indent") {
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276 | indent(stream, state);
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277 | }
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278 | var delimiter_index = "[({".indexOf(current);
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279 | if (delimiter_index !== -1) {
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280 | indent(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
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281 | }
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282 | if (indentKeywords.exec(current)){
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283 | indent(stream, state);
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284 | }
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285 | if (current == "then"){
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286 | dedent(stream, state);
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287 | }
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288 |
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289 |
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290 | if (style === "dedent") {
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291 | if (dedent(stream, state)) {
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292 | return ERRORCLASS;
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293 | }
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294 | }
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295 | delimiter_index = "])}".indexOf(current);
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296 | if (delimiter_index !== -1) {
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297 | while (state.scope.type == "coffee" && state.scope.prev)
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298 | state.scope = state.scope.prev;
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299 | if (state.scope.type == current)
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300 | state.scope = state.scope.prev;
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301 | }
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302 | if (state.dedent && stream.eol()) {
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303 | if (state.scope.type == "coffee" && state.scope.prev)
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304 | state.scope = state.scope.prev;
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305 | state.dedent = false;
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306 | }
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307 |
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308 | return style;
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309 | }
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310 |
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311 | var external = {
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312 | startState: function(basecolumn) {
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313 | return {
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314 | tokenize: tokenBase,
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315 | scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false},
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316 | prop: false,
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317 | dedent: 0
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318 | };
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319 | },
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320 |
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321 | token: function(stream, state) {
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322 | var fillAlign = state.scope.align === null && state.scope;
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323 | if (fillAlign && stream.sol()) fillAlign.align = false;
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324 |
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325 | var style = tokenLexer(stream, state);
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326 | if (style && style != "comment") {
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327 | if (fillAlign) fillAlign.align = true;
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328 | state.prop = style == "punctuation" && stream.current() == "."
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329 | }
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330 |
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331 | return style;
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332 | },
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333 |
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334 | indent: function(state, text) {
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335 | if (state.tokenize != tokenBase) return 0;
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336 | var scope = state.scope;
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337 | var closer = text && "])}".indexOf(text.charAt(0)) > -1;
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338 | if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev;
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339 | var closes = closer && scope.type === text.charAt(0);
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340 | if (scope.align)
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341 | return scope.alignOffset - (closes ? 1 : 0);
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342 | else
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343 | return (closes ? scope.prev : scope).offset;
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344 | },
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345 |
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346 | lineComment: "#",
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347 | fold: "indent"
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348 | };
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349 | return external;
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350 | });
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351 |
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352 |
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353 |
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354 | CodeMirror.defineMIME("application/vnd.coffeescript", "coffeescript");
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355 |
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356 | CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
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357 | CodeMirror.defineMIME("text/coffeescript", "coffeescript");
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358 |
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359 | });
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