aboutsummaryrefslogtreecommitdiff
path: root/imports/codemirror/mode/go/go.js
diff options
context:
space:
mode:
Diffstat (limited to 'imports/codemirror/mode/go/go.js')
-rw-r--r--imports/codemirror/mode/go/go.js170
1 files changed, 170 insertions, 0 deletions
diff --git a/imports/codemirror/mode/go/go.js b/imports/codemirror/mode/go/go.js
new file mode 100644
index 00000000..00e5d6c2
--- /dev/null
+++ b/imports/codemirror/mode/go/go.js
@@ -0,0 +1,170 @@
1CodeMirror.defineMode("go", function(config, parserConfig) {
2 var indentUnit = config.indentUnit;
3
4 var keywords = {
5 "break":true, "case":true, "chan":true, "const":true, "continue":true,
6 "default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
7 "func":true, "go":true, "goto":true, "if":true, "import":true,
8 "interface":true, "map":true, "package":true, "range":true, "return":true,
9 "select":true, "struct":true, "switch":true, "type":true, "var":true,
10 "bool":true, "byte":true, "complex64":true, "complex128":true,
11 "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
12 "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
13 "uint64":true, "int":true, "uint":true, "uintptr":true
14 };
15
16 var atoms = {
17 "true":true, "false":true, "iota":true, "nil":true, "append":true,
18 "cap":true, "close":true, "complex":true, "copy":true, "imag":true,
19 "len":true, "make":true, "new":true, "panic":true, "print":true,
20 "println":true, "real":true, "recover":true
21 };
22
23 var blockKeywords = {
24 "else":true, "for":true, "func":true, "if":true, "interface":true,
25 "select":true, "struct":true, "switch":true
26 };
27
28 var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
29
30 var curPunc;
31
32 function tokenBase(stream, state) {
33 var ch = stream.next();
34 if (ch == '"' || ch == "'" || ch == "`") {
35 state.tokenize = tokenString(ch);
36 return state.tokenize(stream, state);
37 }
38 if (/[\d\.]/.test(ch)) {
39 if (ch == ".") {
40 stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
41 } else if (ch == "0") {
42 stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
43 } else {
44 stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
45 }
46 return "number";
47 }
48 if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
49 curPunc = ch;
50 return null
51 }
52 if (ch == "/") {
53 if (stream.eat("*")) {
54 state.tokenize = tokenComment;
55 return tokenComment(stream, state);
56 }
57 if (stream.eat("/")) {
58 stream.skipToEnd();
59 return "comment";
60 }
61 }
62 if (isOperatorChar.test(ch)) {
63 stream.eatWhile(isOperatorChar);
64 return "operator";
65 }
66 stream.eatWhile(/[\w\$_]/);
67 var cur = stream.current();
68 if (keywords.propertyIsEnumerable(cur)) {
69 if (cur == "case" || cur == "default") curPunc = "case";
70 return "keyword";
71 }
72 if (atoms.propertyIsEnumerable(cur)) return "atom";
73 return "word";
74 }
75
76 function tokenString(quote) {
77 return function(stream, state) {
78 var escaped = false, next, end = false;
79 while ((next = stream.next()) != null) {
80 if (next == quote && !escaped) {end = true; break;}
81 escaped = !escaped && next == "\\";
82 }
83 if (end || !(escaped || quote == "`"))
84 state.tokenize = tokenBase;
85 return "string";
86 };
87 }
88
89 function tokenComment(stream, state) {
90 var maybeEnd = false, ch;
91 while (ch = stream.next()) {
92 if (ch == "/" && maybeEnd) {
93 state.tokenize = tokenBase;
94 break;
95 }
96 maybeEnd = (ch == "*");
97 }
98 return "comment";
99 }
100
101 function Context(indented, column, type, align, prev) {
102 this.indented = indented;
103 this.column = column;
104 this.type = type;
105 this.align = align;
106 this.prev = prev;
107 }
108 function pushContext(state, col, type) {
109 return state.context = new Context(state.indented, col, type, null, state.context);
110 }
111 function popContext(state) {
112 var t = state.context.type;
113 if (t == ")" || t == "]" || t == "}")
114 state.indented = state.context.indented;
115 return state.context = state.context.prev;
116 }
117
118 // Interface
119
120 return {
121 startState: function(basecolumn) {
122 return {
123 tokenize: null,
124 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
125 indented: 0,
126 startOfLine: true
127 };
128 },
129
130 token: function(stream, state) {
131 var ctx = state.context;
132 if (stream.sol()) {
133 if (ctx.align == null) ctx.align = false;
134 state.indented = stream.indentation();
135 state.startOfLine = true;
136 if (ctx.type == "case") ctx.type = "}";
137 }
138 if (stream.eatSpace()) return null;
139 curPunc = null;
140 var style = (state.tokenize || tokenBase)(stream, state);
141 if (style == "comment") return style;
142 if (ctx.align == null) ctx.align = true;
143
144 if (curPunc == "{") pushContext(state, stream.column(), "}");
145 else if (curPunc == "[") pushContext(state, stream.column(), "]");
146 else if (curPunc == "(") pushContext(state, stream.column(), ")");
147 else if (curPunc == "case") ctx.type = "case"
148 else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
149 else if (curPunc == ctx.type) popContext(state);
150 state.startOfLine = false;
151 return style;
152 },
153
154 indent: function(state, textAfter) {
155 if (state.tokenize != tokenBase && state.tokenize != null) return 0;
156 var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
157 if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
158 state.context.type = "}";
159 return ctx.indented;
160 }
161 var closing = firstChar == ctx.type;
162 if (ctx.align) return ctx.column + (closing ? 0 : 1);
163 else return ctx.indented + (closing ? 0 : indentUnit);
164 },
165
166 electricChars: "{}:"
167 };
168});
169
170CodeMirror.defineMIME("text/x-go", "go");