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("pascal", function() {
 15  function words(str) {
 16    var obj = {}, words = str.split(" ");
 17    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
 18    return obj;
 19  }
 20  var keywords = words(
 21    "absolute and array asm begin case const constructor destructor div do " +
 22    "downto else end file for function goto if implementation in inherited " +
 23    "inline interface label mod nil not object of operator or packed procedure " +
 24    "program record reintroduce repeat self set shl shr string then to type " +
 25    "unit until uses var while with xor as class dispinterface except exports " +
 26    "finalization finally initialization inline is library on out packed " +
 27    "property raise resourcestring threadvar try absolute abstract alias " +
 28    "assembler bitpacked break cdecl continue cppdecl cvar default deprecated " +
 29    "dynamic enumerator experimental export external far far16 forward generic " +
 30    "helper implements index interrupt iocheck local message name near " +
 31    "nodefault noreturn nostackframe oldfpccall otherwise overload override " +
 32    "pascal platform private protected public published read register " +
 33    "reintroduce result safecall saveregisters softfloat specialize static " +
 34    "stdcall stored strict unaligned unimplemented varargs virtual write");
 35  var atoms = {"null": true};
 36
 37  var isOperatorChar = /[+\-*&%=<>!?|\/]/;
 38
 39  function tokenBase(stream, state) {
 40    var ch = stream.next();
 41    if (ch == "#" && state.startOfLine) {
 42      stream.skipToEnd();
 43      return "meta";
 44    }
 45    if (ch == '"' || ch == "'") {
 46      state.tokenize = tokenString(ch);
 47      return state.tokenize(stream, state);
 48    }
 49    if (ch == "(" && stream.eat("*")) {
 50      state.tokenize = tokenComment;
 51      return tokenComment(stream, state);
 52    }
 53    if (ch == "{") {
 54      state.tokenize = tokenCommentBraces;
 55      return tokenCommentBraces(stream, state);
 56    }
 57    if (/[\[\]\(\),;\:\.]/.test(ch)) {
 58      return null;
 59    }
 60    if (/\d/.test(ch)) {
 61      stream.eatWhile(/[\w\.]/);
 62      return "number";
 63    }
 64    if (ch == "/") {
 65      if (stream.eat("/")) {
 66        stream.skipToEnd();
 67        return "comment";
 68      }
 69    }
 70    if (isOperatorChar.test(ch)) {
 71      stream.eatWhile(isOperatorChar);
 72      return "operator";
 73    }
 74    stream.eatWhile(/[\w\$_]/);
 75    var cur = stream.current();
 76    if (keywords.propertyIsEnumerable(cur)) return "keyword";
 77    if (atoms.propertyIsEnumerable(cur)) return "atom";
 78    return "variable";
 79  }
 80
 81  function tokenString(quote) {
 82    return function(stream, state) {
 83      var escaped = false, next, end = false;
 84      while ((next = stream.next()) != null) {
 85        if (next == quote && !escaped) {end = true; break;}
 86        escaped = !escaped && next == "\\";
 87      }
 88      if (end || !escaped) state.tokenize = null;
 89      return "string";
 90    };
 91  }
 92
 93  function tokenComment(stream, state) {
 94    var maybeEnd = false, ch;
 95    while (ch = stream.next()) {
 96      if (ch == ")" && maybeEnd) {
 97        state.tokenize = null;
 98        break;
 99      }
100      maybeEnd = (ch == "*");
101    }
102    return "comment";
103  }
104
105  function tokenCommentBraces(stream, state) {
106    var ch;
107    while (ch = stream.next()) {
108      if (ch == "}") {
109        state.tokenize = null;
110        break;
111      }
112    }
113    return "comment";
114  }
115
116  // Interface
117
118  return {
119    startState: function() {
120      return {tokenize: null};
121    },
122
123    token: function(stream, state) {
124      if (stream.eatSpace()) return null;
125      var style = (state.tokenize || tokenBase)(stream, state);
126      if (style == "comment" || style == "meta") return style;
127      return style;
128    },
129
130    electricChars: "{}"
131  };
132});
133
134CodeMirror.defineMIME("text/x-pascal", "pascal");
135
136});