eiffel.js
3.69 KB
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
// 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("eiffel", function() {
function wordObj(words) {
var o = {};
for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true;
return o;
}
var keywords = wordObj([
'note',
'across',
'when',
'variant',
'until',
'unique',
'undefine',
'then',
'strip',
'select',
'retry',
'rescue',
'require',
'rename',
'reference',
'redefine',
'prefix',
'once',
'old',
'obsolete',
'loop',
'local',
'like',
'is',
'inspect',
'infix',
'include',
'if',
'frozen',
'from',
'external',
'export',
'ensure',
'end',
'elseif',
'else',
'do',
'creation',
'create',
'check',
'alias',
'agent',
'separate',
'invariant',
'inherit',
'indexing',
'feature',
'expanded',
'deferred',
'class',
'Void',
'True',
'Result',
'Precursor',
'False',
'Current',
'create',
'attached',
'detachable',
'as',
'and',
'implies',
'not',
'or'
]);
var operators = wordObj([":=", "and then","and", "or","<<",">>"]);
var curPunc;
function chain(newtok, stream, state) {
state.tokenize.push(newtok);
return newtok(stream, state);
}
function tokenBase(stream, state) {
curPunc = null;
if (stream.eatSpace()) return null;
var ch = stream.next();
if (ch == '"'||ch == "'") {
return chain(readQuoted(ch, "string"), stream, state);
} else if (ch == "-"&&stream.eat("-")) {
stream.skipToEnd();
return "comment";
} else if (ch == ":"&&stream.eat("=")) {
return "operator";
} else if (/[0-9]/.test(ch)) {
stream.eatWhile(/[xXbBCc0-9\.]/);
stream.eat(/[\?\!]/);
return "ident";
} else if (/[a-zA-Z_0-9]/.test(ch)) {
stream.eatWhile(/[a-zA-Z_0-9]/);
stream.eat(/[\?\!]/);
return "ident";
} else if (/[=+\-\/*^%<>~]/.test(ch)) {
stream.eatWhile(/[=+\-\/*^%<>~]/);
return "operator";
} else {
return null;
}
}
function readQuoted(quote, style, unescaped) {
return function(stream, state) {
var escaped = false, ch;
while ((ch = stream.next()) != null) {
if (ch == quote && (unescaped || !escaped)) {
state.tokenize.pop();
break;
}
escaped = !escaped && ch == "%";
}
return style;
};
}
return {
startState: function() {
return {tokenize: [tokenBase]};
},
token: function(stream, state) {
var style = state.tokenize[state.tokenize.length-1](stream, state);
if (style == "ident") {
var word = stream.current();
style = keywords.propertyIsEnumerable(stream.current()) ? "keyword"
: operators.propertyIsEnumerable(stream.current()) ? "operator"
: /^[A-Z][A-Z_0-9]*$/g.test(word) ? "tag"
: /^0[bB][0-1]+$/g.test(word) ? "number"
: /^0[cC][0-7]+$/g.test(word) ? "number"
: /^0[xX][a-fA-F0-9]+$/g.test(word) ? "number"
: /^([0-9]+\.[0-9]*)|([0-9]*\.[0-9]+)$/g.test(word) ? "number"
: /^[0-9]+$/g.test(word) ? "number"
: "variable";
}
return style;
},
lineComment: "--"
};
});
CodeMirror.defineMIME("text/x-eiffel", "eiffel");
});