1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4(function(mod) {
  5  if (typeof exports == "object" && typeof module == "object") // CommonJS
  6    mod(require("../../lib/codemirror"));
  7  else if (typeof define == "function" && define.amd) // AMD
  8    define(["../../lib/codemirror"], mod);
  9  else // Plain browser env
 10    mod(CodeMirror);
 11})(function(CodeMirror) {
 12"use strict";
 13
 14CodeMirror.defineMode("d", function(config, parserConfig) {
 15  var indentUnit = config.indentUnit,
 16      statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
 17      keywords = parserConfig.keywords || {},
 18      builtin = parserConfig.builtin || {},
 19      blockKeywords = parserConfig.blockKeywords || {},
 20      atoms = parserConfig.atoms || {},
 21      hooks = parserConfig.hooks || {},
 22      multiLineStrings = parserConfig.multiLineStrings;
 23  var isOperatorChar = /[+\-*&%=<>!?|\/]/;
 24
 25  var curPunc;
 26
 27  function tokenBase(stream, state) {
 28    var ch = stream.next();
 29    if (hooks[ch]) {
 30      var result = hooks[ch](stream, state);
 31      if (result !== false) return result;
 32    }
 33    if (ch == '"' || ch == "'" || ch == "`") {
 34      state.tokenize = tokenString(ch);
 35      return state.tokenize(stream, state);
 36    }
 37    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
 38      curPunc = ch;
 39      return null;
 40    }
 41    if (/\d/.test(ch)) {
 42      stream.eatWhile(/[\w\.]/);
 43      return "number";
 44    }
 45    if (ch == "/") {
 46      if (stream.eat("+")) {
 47        state.tokenize = tokenNestedComment;
 48        return tokenNestedComment(stream, state);
 49      }
 50      if (stream.eat("*")) {
 51        state.tokenize = tokenComment;
 52        return tokenComment(stream, state);
 53      }
 54      if (stream.eat("/")) {
 55        stream.skipToEnd();
 56        return "comment";
 57      }
 58    }
 59    if (isOperatorChar.test(ch)) {
 60      stream.eatWhile(isOperatorChar);
 61      return "operator";
 62    }
 63    stream.eatWhile(/[\w\$_\xa1-\uffff]/);
 64    var cur = stream.current();
 65    if (keywords.propertyIsEnumerable(cur)) {
 66      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
 67      return "keyword";
 68    }
 69    if (builtin.propertyIsEnumerable(cur)) {
 70      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
 71      return "builtin";
 72    }
 73    if (atoms.propertyIsEnumerable(cur)) return "atom";
 74    return "variable";
 75  }
 76
 77  function tokenString(quote) {
 78    return function(stream, state) {
 79      var escaped = false, next, end = false;
 80      while ((next = stream.next()) != null) {
 81        if (next == quote && !escaped) {end = true; break;}
 82        escaped = !escaped && next == "\\";
 83      }
 84      if (end || !(escaped || multiLineStrings))
 85        state.tokenize = null;
 86      return "string";
 87    };
 88  }
 89
 90  function tokenComment(stream, state) {
 91    var maybeEnd = false, ch;
 92    while (ch = stream.next()) {
 93      if (ch == "/" && maybeEnd) {
 94        state.tokenize = null;
 95        break;
 96      }
 97      maybeEnd = (ch == "*");
 98    }
 99    return "comment";
100  }
101
102  function tokenNestedComment(stream, state) {
103    var maybeEnd = false, ch;
104    while (ch = stream.next()) {
105      if (ch == "/" && maybeEnd) {
106        state.tokenize = null;
107        break;
108      }
109      maybeEnd = (ch == "+");
110    }
111    return "comment";
112  }
113
114  function Context(indented, column, type, align, prev) {
115    this.indented = indented;
116    this.column = column;
117    this.type = type;
118    this.align = align;
119    this.prev = prev;
120  }
121  function pushContext(state, col, type) {
122    var indent = state.indented;
123    if (state.context && state.context.type == "statement")
124      indent = state.context.indented;
125    return state.context = new Context(indent, col, type, null, state.context);
126  }
127  function popContext(state) {
128    var t = state.context.type;
129    if (t == ")" || t == "]" || t == "}")
130      state.indented = state.context.indented;
131    return state.context = state.context.prev;
132  }
133
134  // Interface
135
136  return {
137    startState: function(basecolumn) {
138      return {
139        tokenize: null,
140        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
141        indented: 0,
142        startOfLine: true
143      };
144    },
145
146    token: function(stream, state) {
147      var ctx = state.context;
148      if (stream.sol()) {
149        if (ctx.align == null) ctx.align = false;
150        state.indented = stream.indentation();
151        state.startOfLine = true;
152      }
153      if (stream.eatSpace()) return null;
154      curPunc = null;
155      var style = (state.tokenize || tokenBase)(stream, state);
156      if (style == "comment" || style == "meta") return style;
157      if (ctx.align == null) ctx.align = true;
158
159      if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
160      else if (curPunc == "{") pushContext(state, stream.column(), "}");
161      else if (curPunc == "[") pushContext(state, stream.column(), "]");
162      else if (curPunc == "(") pushContext(state, stream.column(), ")");
163      else if (curPunc == "}") {
164        while (ctx.type == "statement") ctx = popContext(state);
165        if (ctx.type == "}") ctx = popContext(state);
166        while (ctx.type == "statement") ctx = popContext(state);
167      }
168      else if (curPunc == ctx.type) popContext(state);
169      else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
170        pushContext(state, stream.column(), "statement");
171      state.startOfLine = false;
172      return style;
173    },
174
175    indent: function(state, textAfter) {
176      if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
177      var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
178      if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
179      var closing = firstChar == ctx.type;
180      if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
181      else if (ctx.align) return ctx.column + (closing ? 0 : 1);
182      else return ctx.indented + (closing ? 0 : indentUnit);
183    },
184
185    electricChars: "{}",
186    blockCommentStart: "/*",
187    blockCommentEnd: "*/",
188    blockCommentContinue: " * ",
189    lineComment: "//",
190    fold: "brace"
191  };
192});
193
194  function words(str) {
195    var obj = {}, words = str.split(" ");
196    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
197    return obj;
198  }
199
200  var blockKeywords = "body catch class do else enum for foreach foreach_reverse if in interface mixin " +
201                      "out scope struct switch try union unittest version while with";
202
203  CodeMirror.defineMIME("text/x-d", {
204    name: "d",
205    keywords: words("abstract alias align asm assert auto break case cast cdouble cent cfloat const continue " +
206                    "debug default delegate delete deprecated export extern final finally function goto immutable " +
207                    "import inout invariant is lazy macro module new nothrow override package pragma private " +
208                    "protected public pure ref return shared short static super synchronized template this " +
209                    "throw typedef typeid typeof volatile __FILE__ __LINE__ __gshared __traits __vector __parameters " +
210                    blockKeywords),
211    blockKeywords: words(blockKeywords),
212    builtin: words("bool byte char creal dchar double float idouble ifloat int ireal long real short ubyte " +
213                   "ucent uint ulong ushort wchar wstring void size_t sizediff_t"),
214    atoms: words("exit failure success true false null"),
215    hooks: {
216      "@": function(stream, _state) {
217        stream.eatWhile(/[\w\$_]/);
218        return "meta";
219      }
220    }
221  });
222
223});