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
163
164
165
166
167
168
169
170
|
CodeMirror.defineMode("go", function(config, parserConfig) {
var indentUnit = config.indentUnit;
var keywords = {
"break":true, "case":true, "chan":true, "const":true, "continue":true,
"default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
"func":true, "go":true, "goto":true, "if":true, "import":true,
"interface":true, "map":true, "package":true, "range":true, "return":true,
"select":true, "struct":true, "switch":true, "type":true, "var":true,
"bool":true, "byte":true, "complex64":true, "complex128":true,
"float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
"int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
"uint64":true, "int":true, "uint":true, "uintptr":true
};
var atoms = {
"true":true, "false":true, "iota":true, "nil":true, "append":true,
"cap":true, "close":true, "complex":true, "copy":true, "imag":true,
"len":true, "make":true, "new":true, "panic":true, "print":true,
"println":true, "real":true, "recover":true
};
var blockKeywords = {
"else":true, "for":true, "func":true, "if":true, "interface":true,
"select":true, "struct":true, "switch":true
};
var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
var curPunc;
function tokenBase(stream, state) {
var ch = stream.next();
if (ch == '"' || ch == "'" || ch == "`") {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
}
if (/[\d\.]/.test(ch)) {
if (ch == ".") {
stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
} else if (ch == "0") {
stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
} else {
stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
}
return "number";
}
if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
curPunc = ch;
return null
}
if (ch == "/") {
if (stream.eat("*")) {
state.tokenize = tokenComment;
return tokenComment(stream, state);
}
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)) {
if (cur == "case" || cur == "default") curPunc = "case";
return "keyword";
}
if (atoms.propertyIsEnumerable(cur)) return "atom";
return "word";
}
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 || quote == "`"))
state.tokenize = tokenBase;
return "string";
};
}
function tokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "/" && maybeEnd) {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch == "*");
}
return "comment";
}
function Context(indented, column, type, align, prev) {
this.indented = indented;
this.column = column;
this.type = type;
this.align = align;
this.prev = prev;
}
function pushContext(state, col, type) {
return state.context = new Context(state.indented, col, type, null, state.context);
}
function popContext(state) {
var t = state.context.type;
if (t == ")" || t == "]" || t == "}")
state.indented = state.context.indented;
return state.context = state.context.prev;
}
// Interface
return {
startState: function(basecolumn) {
return {
tokenize: null,
context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
indented: 0,
startOfLine: true
};
},
token: function(stream, state) {
var ctx = state.context;
if (stream.sol()) {
if (ctx.align == null) ctx.align = false;
state.indented = stream.indentation();
state.startOfLine = true;
if (ctx.type == "case") ctx.type = "}";
}
if (stream.eatSpace()) return null;
curPunc = null;
var style = (state.tokenize || tokenBase)(stream, state);
if (style == "comment") return style;
if (ctx.align == null) ctx.align = true;
if (curPunc == "{") pushContext(state, stream.column(), "}");
else if (curPunc == "[") pushContext(state, stream.column(), "]");
else if (curPunc == "(") pushContext(state, stream.column(), ")");
else if (curPunc == "case") ctx.type = "case"
else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
else if (curPunc == ctx.type) popContext(state);
state.startOfLine = false;
return style;
},
indent: function(state, textAfter) {
if (state.tokenize != tokenBase && state.tokenize != null) return 0;
var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
state.context.type = "}";
return ctx.indented;
}
var closing = firstChar == ctx.type;
if (ctx.align) return ctx.column + (closing ? 0 : 1);
else return ctx.indented + (closing ? 0 : indentUnit);
},
electricChars: "{}:"
};
});
CodeMirror.defineMIME("text/x-go", "go");
|