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authorPushkar Joshi2012-03-06 17:04:40 -0800
committerPushkar Joshi2012-03-06 17:04:40 -0800
commit7a43958033906b2273de88bc2a26cda7a905d202 (patch)
treef71817e712c4b07a48257a4f0b206cf9033421df /imports/codemirror/mode/verilog/verilog.js
parent264e3d8e6d3624083d2fab9fe2560234553bb2ad (diff)
parent2e3943a8f751ec572066f168b58464c24b9f29e5 (diff)
downloadninja-7a43958033906b2273de88bc2a26cda7a905d202.tar.gz
Merge branch 'master' into brushtool
Diffstat (limited to 'imports/codemirror/mode/verilog/verilog.js')
-rw-r--r--imports/codemirror/mode/verilog/verilog.js194
1 files changed, 194 insertions, 0 deletions
diff --git a/imports/codemirror/mode/verilog/verilog.js b/imports/codemirror/mode/verilog/verilog.js
new file mode 100644
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+++ b/imports/codemirror/mode/verilog/verilog.js
@@ -0,0 +1,194 @@
1CodeMirror.defineMode("verilog", function(config, parserConfig) {
2 var indentUnit = config.indentUnit,
3 keywords = parserConfig.keywords || {},
4 blockKeywords = parserConfig.blockKeywords || {},
5 atoms = parserConfig.atoms || {},
6 hooks = parserConfig.hooks || {},
7 multiLineStrings = parserConfig.multiLineStrings;
8 var isOperatorChar = /[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/;
9
10 var curPunc;
11
12 function tokenBase(stream, state) {
13 var ch = stream.next();
14 if (hooks[ch]) {
15 var result = hooks[ch](stream, state);
16 if (result !== false) return result;
17 }
18 if (ch == '"') {
19 state.tokenize = tokenString(ch);
20 return state.tokenize(stream, state);
21 }
22 if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
23 curPunc = ch;
24 return null
25 }
26 if (/[\d']/.test(ch)) {
27 stream.eatWhile(/[\w\.']/);
28 return "number";
29 }
30 if (ch == "/") {
31 if (stream.eat("*")) {
32 state.tokenize = tokenComment;
33 return tokenComment(stream, state);
34 }
35 if (stream.eat("/")) {
36 stream.skipToEnd();
37 return "comment";
38 }
39 }
40 if (isOperatorChar.test(ch)) {
41 stream.eatWhile(isOperatorChar);
42 return "operator";
43 }
44 stream.eatWhile(/[\w\$_]/);
45 var cur = stream.current();
46 if (keywords.propertyIsEnumerable(cur)) {
47 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
48 return "keyword";
49 }
50 if (atoms.propertyIsEnumerable(cur)) return "atom";
51 return "word";
52 }
53
54 function tokenString(quote) {
55 return function(stream, state) {
56 var escaped = false, next, end = false;
57 while ((next = stream.next()) != null) {
58 if (next == quote && !escaped) {end = true; break;}
59 escaped = !escaped && next == "\\";
60 }
61 if (end || !(escaped || multiLineStrings))
62 state.tokenize = tokenBase;
63 return "string";
64 };
65 }
66
67 function tokenComment(stream, state) {
68 var maybeEnd = false, ch;
69 while (ch = stream.next()) {
70 if (ch == "/" && maybeEnd) {
71 state.tokenize = tokenBase;
72 break;
73 }
74 maybeEnd = (ch == "*");
75 }
76 return "comment";
77 }
78
79 function Context(indented, column, type, align, prev) {
80 this.indented = indented;
81 this.column = column;
82 this.type = type;
83 this.align = align;
84 this.prev = prev;
85 }
86 function pushContext(state, col, type) {
87 return state.context = new Context(state.indented, col, type, null, state.context);
88 }
89 function popContext(state) {
90 var t = state.context.type;
91 if (t == ")" || t == "]" || t == "}")
92 state.indented = state.context.indented;
93 return state.context = state.context.prev;
94 }
95
96 // Interface
97
98 return {
99 startState: function(basecolumn) {
100 return {
101 tokenize: null,
102 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
103 indented: 0,
104 startOfLine: true
105 };
106 },
107
108 token: function(stream, state) {
109 var ctx = state.context;
110 if (stream.sol()) {
111 if (ctx.align == null) ctx.align = false;
112 state.indented = stream.indentation();
113 state.startOfLine = true;
114 }
115 if (stream.eatSpace()) return null;
116 curPunc = null;
117 var style = (state.tokenize || tokenBase)(stream, state);
118 if (style == "comment" || style == "meta") return style;
119 if (ctx.align == null) ctx.align = true;
120
121 if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state);
122 else if (curPunc == "{") pushContext(state, stream.column(), "}");
123 else if (curPunc == "[") pushContext(state, stream.column(), "]");
124 else if (curPunc == "(") pushContext(state, stream.column(), ")");
125 else if (curPunc == "}") {
126 while (ctx.type == "statement") ctx = popContext(state);
127 if (ctx.type == "}") ctx = popContext(state);
128 while (ctx.type == "statement") ctx = popContext(state);
129 }
130 else if (curPunc == ctx.type) popContext(state);
131 else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement"))
132 pushContext(state, stream.column(), "statement");
133 state.startOfLine = false;
134 return style;
135 },
136
137 indent: function(state, textAfter) {
138 if (state.tokenize != tokenBase && state.tokenize != null) return 0;
139 var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type;
140 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit);
141 else if (ctx.align) return ctx.column + (closing ? 0 : 1);
142 else return ctx.indented + (closing ? 0 : indentUnit);
143 },
144
145 electricChars: "{}"
146 };
147});
148
149(function() {
150 function words(str) {
151 var obj = {}, words = str.split(" ");
152 for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
153 return obj;
154 }
155
156 var verilogKeywords = "always and assign automatic begin buf bufif0 bufif1 case casex casez cell cmos config " +
157 "deassign default defparam design disable edge else end endcase endconfig endfunction endgenerate endmodule " +
158 "endprimitive endspecify endtable endtask event for force forever fork function generate genvar highz0 " +
159 "highz1 if ifnone incdir include initial inout input instance integer join large liblist library localparam " +
160 "macromodule medium module nand negedge nmos nor noshowcancelled not notif0 notif1 or output parameter pmos " +
161 "posedge primitive pull0 pull1 pulldown pullup pulsestyle_onevent pulsestyle_ondetect rcmos real realtime " +
162 "reg release repeat rnmos rpmos rtran rtranif0 rtranif1 scalared showcancelled signed small specify specparam " +
163 "strong0 strong1 supply0 supply1 table task time tran tranif0 tranif1 tri tri0 tri1 triand trior trireg " +
164 "unsigned use vectored wait wand weak0 weak1 while wire wor xnor xor";
165
166 var verilogBlockKeywords = "begin bufif0 bufif1 case casex casez config else end endcase endconfig endfunction " +
167 "endgenerate endmodule endprimitive endspecify endtable endtask for forever function generate if ifnone " +
168 "macromodule module primitive repeat specify table task while";
169
170 function metaHook(stream, state) {
171 stream.eatWhile(/[\w\$_]/);
172 return "meta";
173 }
174
175 // C#-style strings where "" escapes a quote.
176 function tokenAtString(stream, state) {
177 var next;
178 while ((next = stream.next()) != null) {
179 if (next == '"' && !stream.eat('"')) {
180 state.tokenize = null;
181 break;
182 }
183 }
184 return "string";
185 }
186
187 CodeMirror.defineMIME("text/x-verilog", {
188 name: "verilog",
189 keywords: words(verilogKeywords),
190 blockKeywords: words(verilogBlockKeywords),
191 atoms: words("null"),
192 hooks: {"`": metaHook, "$": metaHook}
193 });
194}());
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