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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("d", function(config, parserConfig) {
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15 var indentUnit = config.indentUnit,
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16 statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
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17 keywords = parserConfig.keywords || {},
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18 builtin = parserConfig.builtin || {},
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19 blockKeywords = parserConfig.blockKeywords || {},
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20 atoms = parserConfig.atoms || {},
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21 hooks = parserConfig.hooks || {},
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22 multiLineStrings = parserConfig.multiLineStrings;
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23 var isOperatorChar = /[+\-*&%=<>!?|\/]/;
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24
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25 var curPunc;
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26
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27 function tokenBase(stream, state) {
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28 var ch = stream.next();
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29 if (hooks[ch]) {
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30 var result = hooks[ch](stream, state);
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31 if (result !== false) return result;
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32 }
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33 if (ch == '"' || ch == "'" || ch == "`") {
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34 state.tokenize = tokenString(ch);
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35 return state.tokenize(stream, state);
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36 }
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37 if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
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38 curPunc = ch;
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39 return null;
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40 }
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41 if (/\d/.test(ch)) {
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42 stream.eatWhile(/[\w\.]/);
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43 return "number";
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44 }
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45 if (ch == "/") {
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46 if (stream.eat("+")) {
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47 state.tokenize = tokenNestedComment;
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48 return tokenNestedComment(stream, state);
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49 }
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50 if (stream.eat("*")) {
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51 state.tokenize = tokenComment;
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52 return tokenComment(stream, state);
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53 }
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54 if (stream.eat("/")) {
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55 stream.skipToEnd();
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56 return "comment";
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57 }
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58 }
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59 if (isOperatorChar.test(ch)) {
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60 stream.eatWhile(isOperatorChar);
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61 return "operator";
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62 }
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63 stream.eatWhile(/[\w\$_\xa1-\uffff]/);
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64 var cur = stream.current();
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65 if (keywords.propertyIsEnumerable(cur)) {
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66 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
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67 return "keyword";
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68 }
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69 if (builtin.propertyIsEnumerable(cur)) {
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70 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
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71 return "builtin";
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72 }
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73 if (atoms.propertyIsEnumerable(cur)) return "atom";
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74 return "variable";
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75 }
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76
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77 function tokenString(quote) {
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78 return function(stream, state) {
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79 var escaped = false, next, end = false;
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80 while ((next = stream.next()) != null) {
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81 if (next == quote && !escaped) {end = true; break;}
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82 escaped = !escaped && next == "\\";
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83 }
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84 if (end || !(escaped || multiLineStrings))
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85 state.tokenize = null;
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86 return "string";
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87 };
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88 }
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89
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90 function tokenComment(stream, state) {
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91 var maybeEnd = false, ch;
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92 while (ch = stream.next()) {
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93 if (ch == "/" && maybeEnd) {
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94 state.tokenize = null;
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95 break;
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96 }
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97 maybeEnd = (ch == "*");
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98 }
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99 return "comment";
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100 }
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101
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102 function tokenNestedComment(stream, state) {
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103 var maybeEnd = false, ch;
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104 while (ch = stream.next()) {
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105 if (ch == "/" && maybeEnd) {
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106 state.tokenize = null;
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107 break;
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108 }
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109 maybeEnd = (ch == "+");
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110 }
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111 return "comment";
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112 }
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113
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114 function Context(indented, column, type, align, prev) {
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115 this.indented = indented;
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116 this.column = column;
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117 this.type = type;
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118 this.align = align;
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119 this.prev = prev;
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120 }
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121 function pushContext(state, col, type) {
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122 var indent = state.indented;
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123 if (state.context && state.context.type == "statement")
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124 indent = state.context.indented;
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125 return state.context = new Context(indent, col, type, null, state.context);
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126 }
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127 function popContext(state) {
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128 var t = state.context.type;
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129 if (t == ")" || t == "]" || t == "}")
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130 state.indented = state.context.indented;
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131 return state.context = state.context.prev;
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132 }
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133
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134 // Interface
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135
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136 return {
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137 startState: function(basecolumn) {
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138 return {
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139 tokenize: null,
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140 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
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141 indented: 0,
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142 startOfLine: true
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143 };
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144 },
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145
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146 token: function(stream, state) {
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147 var ctx = state.context;
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148 if (stream.sol()) {
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149 if (ctx.align == null) ctx.align = false;
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150 state.indented = stream.indentation();
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151 state.startOfLine = true;
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152 }
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153 if (stream.eatSpace()) return null;
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154 curPunc = null;
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155 var style = (state.tokenize || tokenBase)(stream, state);
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156 if (style == "comment" || style == "meta") return style;
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157 if (ctx.align == null) ctx.align = true;
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158
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159 if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
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160 else if (curPunc == "{") pushContext(state, stream.column(), "}");
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161 else if (curPunc == "[") pushContext(state, stream.column(), "]");
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162 else if (curPunc == "(") pushContext(state, stream.column(), ")");
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163 else if (curPunc == "}") {
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164 while (ctx.type == "statement") ctx = popContext(state);
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165 if (ctx.type == "}") ctx = popContext(state);
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166 while (ctx.type == "statement") ctx = popContext(state);
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167 }
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168 else if (curPunc == ctx.type) popContext(state);
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169 else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
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170 pushContext(state, stream.column(), "statement");
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171 state.startOfLine = false;
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172 return style;
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173 },
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174
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175 indent: function(state, textAfter) {
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176 if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
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177 var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
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178 if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
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179 var closing = firstChar == ctx.type;
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180 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
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181 else if (ctx.align) return ctx.column + (closing ? 0 : 1);
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182 else return ctx.indented + (closing ? 0 : indentUnit);
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183 },
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184
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185 electricChars: "{}",
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186 blockCommentStart: "/*",
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187 blockCommentEnd: "*/",
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188 blockCommentContinue: " * ",
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189 lineComment: "//",
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190 fold: "brace"
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191 };
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192 });
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193
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194 function words(str) {
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195 var obj = {}, words = str.split(" ");
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196 for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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197 return obj;
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198 }
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199
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200 var blockKeywords = "body catch class do else enum for foreach foreach_reverse if in interface mixin " +
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201 "out scope struct switch try union unittest version while with";
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202
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203 CodeMirror.defineMIME("text/x-d", {
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204 name: "d",
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205 keywords: words("abstract alias align asm assert auto break case cast cdouble cent cfloat const continue " +
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206 "debug default delegate delete deprecated export extern final finally function goto immutable " +
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207 "import inout invariant is lazy macro module new nothrow override package pragma private " +
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208 "protected public pure ref return shared short static super synchronized template this " +
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209 "throw typedef typeid typeof volatile __FILE__ __LINE__ __gshared __traits __vector __parameters " +
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210 blockKeywords),
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211 blockKeywords: words(blockKeywords),
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212 builtin: words("bool byte char creal dchar double float idouble ifloat int ireal long real short ubyte " +
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213 "ucent uint ulong ushort wchar wstring void size_t sizediff_t"),
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214 atoms: words("exit failure success true false null"),
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215 hooks: {
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216 "@": function(stream, _state) {
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217 stream.eatWhile(/[\w\$_]/);
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218 return "meta";
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219 }
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220 }
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221 });
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222
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223 });
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