|
0
|
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
|
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
|
|
|
3
|
|
|
4 // Originally written by Alf Nielsen, re-written by Michael Zhou
|
|
|
5 (function(mod) {
|
|
|
6 if (typeof exports == "object" && typeof module == "object") // CommonJS
|
|
|
7 mod(require("../../lib/codemirror"));
|
|
|
8 else if (typeof define == "function" && define.amd) // AMD
|
|
|
9 define(["../../lib/codemirror"], mod);
|
|
|
10 else // Plain browser env
|
|
|
11 mod(CodeMirror);
|
|
|
12 })(function(CodeMirror) {
|
|
|
13 "use strict";
|
|
|
14
|
|
|
15 function words(str) {
|
|
|
16 var obj = {}, words = str.split(",");
|
|
|
17 for (var i = 0; i < words.length; ++i) {
|
|
|
18 var allCaps = words[i].toUpperCase();
|
|
|
19 var firstCap = words[i].charAt(0).toUpperCase() + words[i].slice(1);
|
|
|
20 obj[words[i]] = true;
|
|
|
21 obj[allCaps] = true;
|
|
|
22 obj[firstCap] = true;
|
|
|
23 }
|
|
|
24 return obj;
|
|
|
25 }
|
|
|
26
|
|
|
27 function metaHook(stream) {
|
|
|
28 stream.eatWhile(/[\w\$_]/);
|
|
|
29 return "meta";
|
|
|
30 }
|
|
|
31
|
|
|
32 CodeMirror.defineMode("vhdl", function(config, parserConfig) {
|
|
|
33 var indentUnit = config.indentUnit,
|
|
|
34 atoms = parserConfig.atoms || words("null"),
|
|
|
35 hooks = parserConfig.hooks || {"`": metaHook, "$": metaHook},
|
|
|
36 multiLineStrings = parserConfig.multiLineStrings;
|
|
|
37
|
|
|
38 var keywords = words("abs,access,after,alias,all,and,architecture,array,assert,attribute,begin,block," +
|
|
|
39 "body,buffer,bus,case,component,configuration,constant,disconnect,downto,else,elsif,end,end block,end case," +
|
|
|
40 "end component,end for,end generate,end if,end loop,end process,end record,end units,entity,exit,file,for," +
|
|
|
41 "function,generate,generic,generic map,group,guarded,if,impure,in,inertial,inout,is,label,library,linkage," +
|
|
|
42 "literal,loop,map,mod,nand,new,next,nor,null,of,on,open,or,others,out,package,package body,port,port map," +
|
|
|
43 "postponed,procedure,process,pure,range,record,register,reject,rem,report,return,rol,ror,select,severity,signal," +
|
|
|
44 "sla,sll,sra,srl,subtype,then,to,transport,type,unaffected,units,until,use,variable,wait,when,while,with,xnor,xor");
|
|
|
45
|
|
|
46 var blockKeywords = words("architecture,entity,begin,case,port,else,elsif,end,for,function,if");
|
|
|
47
|
|
|
48 var isOperatorChar = /[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/;
|
|
|
49 var curPunc;
|
|
|
50
|
|
|
51 function tokenBase(stream, state) {
|
|
|
52 var ch = stream.next();
|
|
|
53 if (hooks[ch]) {
|
|
|
54 var result = hooks[ch](stream, state);
|
|
|
55 if (result !== false) return result;
|
|
|
56 }
|
|
|
57 if (ch == '"') {
|
|
|
58 state.tokenize = tokenString2(ch);
|
|
|
59 return state.tokenize(stream, state);
|
|
|
60 }
|
|
|
61 if (ch == "'") {
|
|
|
62 state.tokenize = tokenString(ch);
|
|
|
63 return state.tokenize(stream, state);
|
|
|
64 }
|
|
|
65 if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
|
|
|
66 curPunc = ch;
|
|
|
67 return null;
|
|
|
68 }
|
|
|
69 if (/[\d']/.test(ch)) {
|
|
|
70 stream.eatWhile(/[\w\.']/);
|
|
|
71 return "number";
|
|
|
72 }
|
|
|
73 if (ch == "-") {
|
|
|
74 if (stream.eat("-")) {
|
|
|
75 stream.skipToEnd();
|
|
|
76 return "comment";
|
|
|
77 }
|
|
|
78 }
|
|
|
79 if (isOperatorChar.test(ch)) {
|
|
|
80 stream.eatWhile(isOperatorChar);
|
|
|
81 return "operator";
|
|
|
82 }
|
|
|
83 stream.eatWhile(/[\w\$_]/);
|
|
|
84 var cur = stream.current();
|
|
|
85 if (keywords.propertyIsEnumerable(cur.toLowerCase())) {
|
|
|
86 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
|
|
|
87 return "keyword";
|
|
|
88 }
|
|
|
89 if (atoms.propertyIsEnumerable(cur)) return "atom";
|
|
|
90 return "variable";
|
|
|
91 }
|
|
|
92
|
|
|
93 function tokenString(quote) {
|
|
|
94 return function(stream, state) {
|
|
|
95 var escaped = false, next, end = false;
|
|
|
96 while ((next = stream.next()) != null) {
|
|
|
97 if (next == quote && !escaped) {end = true; break;}
|
|
|
98 escaped = !escaped && next == "--";
|
|
|
99 }
|
|
|
100 if (end || !(escaped || multiLineStrings))
|
|
|
101 state.tokenize = tokenBase;
|
|
|
102 return "string";
|
|
|
103 };
|
|
|
104 }
|
|
|
105 function tokenString2(quote) {
|
|
|
106 return function(stream, state) {
|
|
|
107 var escaped = false, next, end = false;
|
|
|
108 while ((next = stream.next()) != null) {
|
|
|
109 if (next == quote && !escaped) {end = true; break;}
|
|
|
110 escaped = !escaped && next == "--";
|
|
|
111 }
|
|
|
112 if (end || !(escaped || multiLineStrings))
|
|
|
113 state.tokenize = tokenBase;
|
|
|
114 return "string-2";
|
|
|
115 };
|
|
|
116 }
|
|
|
117
|
|
|
118 function Context(indented, column, type, align, prev) {
|
|
|
119 this.indented = indented;
|
|
|
120 this.column = column;
|
|
|
121 this.type = type;
|
|
|
122 this.align = align;
|
|
|
123 this.prev = prev;
|
|
|
124 }
|
|
|
125 function pushContext(state, col, type) {
|
|
|
126 return state.context = new Context(state.indented, col, type, null, state.context);
|
|
|
127 }
|
|
|
128 function popContext(state) {
|
|
|
129 var t = state.context.type;
|
|
|
130 if (t == ")" || t == "]" || t == "}")
|
|
|
131 state.indented = state.context.indented;
|
|
|
132 return state.context = state.context.prev;
|
|
|
133 }
|
|
|
134
|
|
|
135 // Interface
|
|
|
136 return {
|
|
|
137 startState: function(basecolumn) {
|
|
|
138 return {
|
|
|
139 tokenize: null,
|
|
|
140 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
|
|
|
141 indented: 0,
|
|
|
142 startOfLine: true
|
|
|
143 };
|
|
|
144 },
|
|
|
145
|
|
|
146 token: function(stream, state) {
|
|
|
147 var ctx = state.context;
|
|
|
148 if (stream.sol()) {
|
|
|
149 if (ctx.align == null) ctx.align = false;
|
|
|
150 state.indented = stream.indentation();
|
|
|
151 state.startOfLine = true;
|
|
|
152 }
|
|
|
153 if (stream.eatSpace()) return null;
|
|
|
154 curPunc = null;
|
|
|
155 var style = (state.tokenize || tokenBase)(stream, state);
|
|
|
156 if (style == "comment" || style == "meta") return style;
|
|
|
157 if (ctx.align == null) ctx.align = true;
|
|
|
158
|
|
|
159 if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state);
|
|
|
160 else if (curPunc == "{") pushContext(state, stream.column(), "}");
|
|
|
161 else if (curPunc == "[") pushContext(state, stream.column(), "]");
|
|
|
162 else if (curPunc == "(") pushContext(state, stream.column(), ")");
|
|
|
163 else if (curPunc == "}") {
|
|
|
164 while (ctx.type == "statement") ctx = popContext(state);
|
|
|
165 if (ctx.type == "}") ctx = popContext(state);
|
|
|
166 while (ctx.type == "statement") ctx = popContext(state);
|
|
|
167 }
|
|
|
168 else if (curPunc == ctx.type) popContext(state);
|
|
|
169 else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement"))
|
|
|
170 pushContext(state, stream.column(), "statement");
|
|
|
171 state.startOfLine = false;
|
|
|
172 return style;
|
|
|
173 },
|
|
|
174
|
|
|
175 indent: function(state, textAfter) {
|
|
|
176 if (state.tokenize != tokenBase && state.tokenize != null) return 0;
|
|
|
177 var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type;
|
|
|
178 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit);
|
|
|
179 else if (ctx.align) return ctx.column + (closing ? 0 : 1);
|
|
|
180 else return ctx.indented + (closing ? 0 : indentUnit);
|
|
|
181 },
|
|
|
182
|
|
|
183 electricChars: "{}"
|
|
|
184 };
|
|
|
185 });
|
|
|
186
|
|
|
187 CodeMirror.defineMIME("text/x-vhdl", "vhdl");
|
|
|
188
|
|
|
189 });
|
