Blame view

backend/makest/js/plugins/codemirror/mode/pascal/pascal.js 2.98 KB
d1f8bd40   Alexey Boroda   first commit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
  // CodeMirror, copyright (c) by Marijn Haverbeke and others
  // Distributed under an MIT license: http://codemirror.net/LICENSE
  
  (function(mod) {
    if (typeof exports == "object" && typeof module == "object") // CommonJS
      mod(require("../../lib/codemirror"));
    else if (typeof define == "function" && define.amd) // AMD
      define(["../../lib/codemirror"], mod);
    else // Plain browser env
      mod(CodeMirror);
  })(function(CodeMirror) {
  "use strict";
  
  CodeMirror.defineMode("pascal", function() {
    function words(str) {
      var obj = {}, words = str.split(" ");
      for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
      return obj;
    }
    var keywords = words("and array begin case const div do downto else end file for forward integer " +
                         "boolean char function goto if in label mod nil not of or packed procedure " +
                         "program record repeat set string then to type until var while with");
    var atoms = {"null": true};
  
    var isOperatorChar = /[+\-*&%=<>!?|\/]/;
  
    function tokenBase(stream, state) {
      var ch = stream.next();
      if (ch == "#" && state.startOfLine) {
        stream.skipToEnd();
        return "meta";
      }
      if (ch == '"' || ch == "'") {
        state.tokenize = tokenString(ch);
        return state.tokenize(stream, state);
      }
      if (ch == "(" && stream.eat("*")) {
        state.tokenize = tokenComment;
        return tokenComment(stream, state);
      }
      if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
        return null;
      }
      if (/\d/.test(ch)) {
        stream.eatWhile(/[\w\.]/);
        return "number";
      }
      if (ch == "/") {
        if (stream.eat("/")) {
          stream.skipToEnd();
          return "comment";
        }
      }
      if (isOperatorChar.test(ch)) {
        stream.eatWhile(isOperatorChar);
        return "operator";
      }
      stream.eatWhile(/[\w\$_]/);
      var cur = stream.current();
      if (keywords.propertyIsEnumerable(cur)) return "keyword";
      if (atoms.propertyIsEnumerable(cur)) return "atom";
      return "variable";
    }
  
    function tokenString(quote) {
      return function(stream, state) {
        var escaped = false, next, end = false;
        while ((next = stream.next()) != null) {
          if (next == quote && !escaped) {end = true; break;}
          escaped = !escaped && next == "\\";
        }
        if (end || !escaped) state.tokenize = null;
        return "string";
      };
    }
  
    function tokenComment(stream, state) {
      var maybeEnd = false, ch;
      while (ch = stream.next()) {
        if (ch == ")" && maybeEnd) {
          state.tokenize = null;
          break;
        }
        maybeEnd = (ch == "*");
      }
      return "comment";
    }
  
    // Interface
  
    return {
      startState: function() {
        return {tokenize: null};
      },
  
      token: function(stream, state) {
        if (stream.eatSpace()) return null;
        var style = (state.tokenize || tokenBase)(stream, state);
        if (style == "comment" || style == "meta") return style;
        return style;
      },
  
      electricChars: "{}"
    };
  });
  
  CodeMirror.defineMIME("text/x-pascal", "pascal");
  
  });