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comparison .cms/lib/codemirror/mode/ruby/ruby.js @ 0:78edf6b517a0 draft
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author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE | |
3 | |
4 (function(mod) { | |
5 if (typeof exports == "object" && typeof module == "object") // CommonJS | |
6 mod(require("../../lib/codemirror")); | |
7 else if (typeof define == "function" && define.amd) // AMD | |
8 define(["../../lib/codemirror"], mod); | |
9 else // Plain browser env | |
10 mod(CodeMirror); | |
11 })(function(CodeMirror) { | |
12 "use strict"; | |
13 | |
14 function wordObj(words) { | |
15 var o = {}; | |
16 for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true; | |
17 return o; | |
18 } | |
19 | |
20 var keywordList = [ | |
21 "alias", "and", "BEGIN", "begin", "break", "case", "class", "def", "defined?", "do", "else", | |
22 "elsif", "END", "end", "ensure", "false", "for", "if", "in", "module", "next", "not", "or", | |
23 "redo", "rescue", "retry", "return", "self", "super", "then", "true", "undef", "unless", | |
24 "until", "when", "while", "yield", "nil", "raise", "throw", "catch", "fail", "loop", "callcc", | |
25 "caller", "lambda", "proc", "public", "protected", "private", "require", "load", | |
26 "require_relative", "extend", "autoload", "__END__", "__FILE__", "__LINE__", "__dir__" | |
27 ], keywords = wordObj(keywordList); | |
28 | |
29 var indentWords = wordObj(["def", "class", "case", "for", "while", "until", "module", | |
30 "catch", "loop", "proc", "begin"]); | |
31 var dedentWords = wordObj(["end", "until"]); | |
32 var opening = {"[": "]", "{": "}", "(": ")"}; | |
33 var closing = {"]": "[", "}": "{", ")": "("}; | |
34 | |
35 CodeMirror.defineMode("ruby", function(config) { | |
36 var curPunc; | |
37 | |
38 function chain(newtok, stream, state) { | |
39 state.tokenize.push(newtok); | |
40 return newtok(stream, state); | |
41 } | |
42 | |
43 function tokenBase(stream, state) { | |
44 if (stream.sol() && stream.match("=begin") && stream.eol()) { | |
45 state.tokenize.push(readBlockComment); | |
46 return "comment"; | |
47 } | |
48 if (stream.eatSpace()) return null; | |
49 var ch = stream.next(), m; | |
50 if (ch == "`" || ch == "'" || ch == '"') { | |
51 return chain(readQuoted(ch, "string", ch == '"' || ch == "`"), stream, state); | |
52 } else if (ch == "/") { | |
53 if (regexpAhead(stream)) | |
54 return chain(readQuoted(ch, "string-2", true), stream, state); | |
55 else | |
56 return "operator"; | |
57 } else if (ch == "%") { | |
58 var style = "string", embed = true; | |
59 if (stream.eat("s")) style = "atom"; | |
60 else if (stream.eat(/[WQ]/)) style = "string"; | |
61 else if (stream.eat(/[r]/)) style = "string-2"; | |
62 else if (stream.eat(/[wxq]/)) { style = "string"; embed = false; } | |
63 var delim = stream.eat(/[^\w\s=]/); | |
64 if (!delim) return "operator"; | |
65 if (opening.propertyIsEnumerable(delim)) delim = opening[delim]; | |
66 return chain(readQuoted(delim, style, embed, true), stream, state); | |
67 } else if (ch == "#") { | |
68 stream.skipToEnd(); | |
69 return "comment"; | |
70 } else if (ch == "<" && (m = stream.match(/^<([-~])[\`\"\']?([a-zA-Z_?]\w*)[\`\"\']?(?:;|$)/))) { | |
71 return chain(readHereDoc(m[2], m[1]), stream, state); | |
72 } else if (ch == "0") { | |
73 if (stream.eat("x")) stream.eatWhile(/[\da-fA-F]/); | |
74 else if (stream.eat("b")) stream.eatWhile(/[01]/); | |
75 else stream.eatWhile(/[0-7]/); | |
76 return "number"; | |
77 } else if (/\d/.test(ch)) { | |
78 stream.match(/^[\d_]*(?:\.[\d_]+)?(?:[eE][+\-]?[\d_]+)?/); | |
79 return "number"; | |
80 } else if (ch == "?") { | |
81 while (stream.match(/^\\[CM]-/)) {} | |
82 if (stream.eat("\\")) stream.eatWhile(/\w/); | |
83 else stream.next(); | |
84 return "string"; | |
85 } else if (ch == ":") { | |
86 if (stream.eat("'")) return chain(readQuoted("'", "atom", false), stream, state); | |
87 if (stream.eat('"')) return chain(readQuoted('"', "atom", true), stream, state); | |
88 | |
89 // :> :>> :< :<< are valid symbols | |
90 if (stream.eat(/[\<\>]/)) { | |
91 stream.eat(/[\<\>]/); | |
92 return "atom"; | |
93 } | |
94 | |
95 // :+ :- :/ :* :| :& :! are valid symbols | |
96 if (stream.eat(/[\+\-\*\/\&\|\:\!]/)) { | |
97 return "atom"; | |
98 } | |
99 | |
100 // Symbols can't start by a digit | |
101 if (stream.eat(/[a-zA-Z$@_\xa1-\uffff]/)) { | |
102 stream.eatWhile(/[\w$\xa1-\uffff]/); | |
103 // Only one ? ! = is allowed and only as the last character | |
104 stream.eat(/[\?\!\=]/); | |
105 return "atom"; | |
106 } | |
107 return "operator"; | |
108 } else if (ch == "@" && stream.match(/^@?[a-zA-Z_\xa1-\uffff]/)) { | |
109 stream.eat("@"); | |
110 stream.eatWhile(/[\w\xa1-\uffff]/); | |
111 return "variable-2"; | |
112 } else if (ch == "$") { | |
113 if (stream.eat(/[a-zA-Z_]/)) { | |
114 stream.eatWhile(/[\w]/); | |
115 } else if (stream.eat(/\d/)) { | |
116 stream.eat(/\d/); | |
117 } else { | |
118 stream.next(); // Must be a special global like $: or $! | |
119 } | |
120 return "variable-3"; | |
121 } else if (/[a-zA-Z_\xa1-\uffff]/.test(ch)) { | |
122 stream.eatWhile(/[\w\xa1-\uffff]/); | |
123 stream.eat(/[\?\!]/); | |
124 if (stream.eat(":")) return "atom"; | |
125 return "ident"; | |
126 } else if (ch == "|" && (state.varList || state.lastTok == "{" || state.lastTok == "do")) { | |
127 curPunc = "|"; | |
128 return null; | |
129 } else if (/[\(\)\[\]{}\\;]/.test(ch)) { | |
130 curPunc = ch; | |
131 return null; | |
132 } else if (ch == "-" && stream.eat(">")) { | |
133 return "arrow"; | |
134 } else if (/[=+\-\/*:\.^%<>~|]/.test(ch)) { | |
135 var more = stream.eatWhile(/[=+\-\/*:\.^%<>~|]/); | |
136 if (ch == "." && !more) curPunc = "."; | |
137 return "operator"; | |
138 } else { | |
139 return null; | |
140 } | |
141 } | |
142 | |
143 function regexpAhead(stream) { | |
144 var start = stream.pos, depth = 0, next, found = false, escaped = false | |
145 while ((next = stream.next()) != null) { | |
146 if (!escaped) { | |
147 if ("[{(".indexOf(next) > -1) { | |
148 depth++ | |
149 } else if ("]})".indexOf(next) > -1) { | |
150 depth-- | |
151 if (depth < 0) break | |
152 } else if (next == "/" && depth == 0) { | |
153 found = true | |
154 break | |
155 } | |
156 escaped = next == "\\" | |
157 } else { | |
158 escaped = false | |
159 } | |
160 } | |
161 stream.backUp(stream.pos - start) | |
162 return found | |
163 } | |
164 | |
165 function tokenBaseUntilBrace(depth) { | |
166 if (!depth) depth = 1; | |
167 return function(stream, state) { | |
168 if (stream.peek() == "}") { | |
169 if (depth == 1) { | |
170 state.tokenize.pop(); | |
171 return state.tokenize[state.tokenize.length-1](stream, state); | |
172 } else { | |
173 state.tokenize[state.tokenize.length - 1] = tokenBaseUntilBrace(depth - 1); | |
174 } | |
175 } else if (stream.peek() == "{") { | |
176 state.tokenize[state.tokenize.length - 1] = tokenBaseUntilBrace(depth + 1); | |
177 } | |
178 return tokenBase(stream, state); | |
179 }; | |
180 } | |
181 function tokenBaseOnce() { | |
182 var alreadyCalled = false; | |
183 return function(stream, state) { | |
184 if (alreadyCalled) { | |
185 state.tokenize.pop(); | |
186 return state.tokenize[state.tokenize.length-1](stream, state); | |
187 } | |
188 alreadyCalled = true; | |
189 return tokenBase(stream, state); | |
190 }; | |
191 } | |
192 function readQuoted(quote, style, embed, unescaped) { | |
193 return function(stream, state) { | |
194 var escaped = false, ch; | |
195 | |
196 if (state.context.type === 'read-quoted-paused') { | |
197 state.context = state.context.prev; | |
198 stream.eat("}"); | |
199 } | |
200 | |
201 while ((ch = stream.next()) != null) { | |
202 if (ch == quote && (unescaped || !escaped)) { | |
203 state.tokenize.pop(); | |
204 break; | |
205 } | |
206 if (embed && ch == "#" && !escaped) { | |
207 if (stream.eat("{")) { | |
208 if (quote == "}") { | |
209 state.context = {prev: state.context, type: 'read-quoted-paused'}; | |
210 } | |
211 state.tokenize.push(tokenBaseUntilBrace()); | |
212 break; | |
213 } else if (/[@\$]/.test(stream.peek())) { | |
214 state.tokenize.push(tokenBaseOnce()); | |
215 break; | |
216 } | |
217 } | |
218 escaped = !escaped && ch == "\\"; | |
219 } | |
220 return style; | |
221 }; | |
222 } | |
223 function readHereDoc(phrase, mayIndent) { | |
224 return function(stream, state) { | |
225 if (mayIndent) stream.eatSpace() | |
226 if (stream.match(phrase)) state.tokenize.pop(); | |
227 else stream.skipToEnd(); | |
228 return "string"; | |
229 }; | |
230 } | |
231 function readBlockComment(stream, state) { | |
232 if (stream.sol() && stream.match("=end") && stream.eol()) | |
233 state.tokenize.pop(); | |
234 stream.skipToEnd(); | |
235 return "comment"; | |
236 } | |
237 | |
238 return { | |
239 startState: function() { | |
240 return {tokenize: [tokenBase], | |
241 indented: 0, | |
242 context: {type: "top", indented: -config.indentUnit}, | |
243 continuedLine: false, | |
244 lastTok: null, | |
245 varList: false}; | |
246 }, | |
247 | |
248 token: function(stream, state) { | |
249 curPunc = null; | |
250 if (stream.sol()) state.indented = stream.indentation(); | |
251 var style = state.tokenize[state.tokenize.length-1](stream, state), kwtype; | |
252 var thisTok = curPunc; | |
253 if (style == "ident") { | |
254 var word = stream.current(); | |
255 style = state.lastTok == "." ? "property" | |
256 : keywords.propertyIsEnumerable(stream.current()) ? "keyword" | |
257 : /^[A-Z]/.test(word) ? "tag" | |
258 : (state.lastTok == "def" || state.lastTok == "class" || state.varList) ? "def" | |
259 : "variable"; | |
260 if (style == "keyword") { | |
261 thisTok = word; | |
262 if (indentWords.propertyIsEnumerable(word)) kwtype = "indent"; | |
263 else if (dedentWords.propertyIsEnumerable(word)) kwtype = "dedent"; | |
264 else if ((word == "if" || word == "unless") && stream.column() == stream.indentation()) | |
265 kwtype = "indent"; | |
266 else if (word == "do" && state.context.indented < state.indented) | |
267 kwtype = "indent"; | |
268 } | |
269 } | |
270 if (curPunc || (style && style != "comment")) state.lastTok = thisTok; | |
271 if (curPunc == "|") state.varList = !state.varList; | |
272 | |
273 if (kwtype == "indent" || /[\(\[\{]/.test(curPunc)) | |
274 state.context = {prev: state.context, type: curPunc || style, indented: state.indented}; | |
275 else if ((kwtype == "dedent" || /[\)\]\}]/.test(curPunc)) && state.context.prev) | |
276 state.context = state.context.prev; | |
277 | |
278 if (stream.eol()) | |
279 state.continuedLine = (curPunc == "\\" || style == "operator"); | |
280 return style; | |
281 }, | |
282 | |
283 indent: function(state, textAfter) { | |
284 if (state.tokenize[state.tokenize.length-1] != tokenBase) return CodeMirror.Pass; | |
285 var firstChar = textAfter && textAfter.charAt(0); | |
286 var ct = state.context; | |
287 var closed = ct.type == closing[firstChar] || | |
288 ct.type == "keyword" && /^(?:end|until|else|elsif|when|rescue)\b/.test(textAfter); | |
289 return ct.indented + (closed ? 0 : config.indentUnit) + | |
290 (state.continuedLine ? config.indentUnit : 0); | |
291 }, | |
292 | |
293 electricInput: /^\s*(?:end|rescue|elsif|else|\})$/, | |
294 lineComment: "#", | |
295 fold: "indent" | |
296 }; | |
297 }); | |
298 | |
299 CodeMirror.defineMIME("text/x-ruby", "ruby"); | |
300 | |
301 CodeMirror.registerHelper("hintWords", "ruby", keywordList); | |
302 | |
303 }); |