1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 | function wren(hljs) {
|
12 | const regex = hljs.regex;
|
13 | const IDENT_RE = /[a-zA-Z]\w*/;
|
14 | const KEYWORDS = [
|
15 | "as",
|
16 | "break",
|
17 | "class",
|
18 | "construct",
|
19 | "continue",
|
20 | "else",
|
21 | "for",
|
22 | "foreign",
|
23 | "if",
|
24 | "import",
|
25 | "in",
|
26 | "is",
|
27 | "return",
|
28 | "static",
|
29 | "var",
|
30 | "while"
|
31 | ];
|
32 | const LITERALS = [
|
33 | "true",
|
34 | "false",
|
35 | "null"
|
36 | ];
|
37 | const LANGUAGE_VARS = [
|
38 | "this",
|
39 | "super"
|
40 | ];
|
41 | const CORE_CLASSES = [
|
42 | "Bool",
|
43 | "Class",
|
44 | "Fiber",
|
45 | "Fn",
|
46 | "List",
|
47 | "Map",
|
48 | "Null",
|
49 | "Num",
|
50 | "Object",
|
51 | "Range",
|
52 | "Sequence",
|
53 | "String",
|
54 | "System"
|
55 | ];
|
56 | const OPERATORS = [
|
57 | "-",
|
58 | "~",
|
59 | /\*/,
|
60 | "%",
|
61 | /\.\.\./,
|
62 | /\.\./,
|
63 | /\+/,
|
64 | "<<",
|
65 | ">>",
|
66 | ">=",
|
67 | "<=",
|
68 | "<",
|
69 | ">",
|
70 | /\^/,
|
71 | /!=/,
|
72 | /!/,
|
73 | /\bis\b/,
|
74 | "==",
|
75 | "&&",
|
76 | "&",
|
77 | /\|\|/,
|
78 | /\|/,
|
79 | /\?:/,
|
80 | "="
|
81 | ];
|
82 | const FUNCTION = {
|
83 | relevance: 0,
|
84 | match: regex.concat(/\b(?!(if|while|for|else|super)\b)/, IDENT_RE, /(?=\s*[({])/),
|
85 | className: "title.function"
|
86 | };
|
87 | const FUNCTION_DEFINITION = {
|
88 | match: regex.concat(
|
89 | regex.either(
|
90 | regex.concat(/\b(?!(if|while|for|else|super)\b)/, IDENT_RE),
|
91 | regex.either(...OPERATORS)
|
92 | ),
|
93 | /(?=\s*\([^)]+\)\s*\{)/),
|
94 | className: "title.function",
|
95 | starts: { contains: [
|
96 | {
|
97 | begin: /\(/,
|
98 | end: /\)/,
|
99 | contains: [
|
100 | {
|
101 | relevance: 0,
|
102 | scope: "params",
|
103 | match: IDENT_RE
|
104 | }
|
105 | ]
|
106 | }
|
107 | ] }
|
108 | };
|
109 | const CLASS_DEFINITION = {
|
110 | variants: [
|
111 | { match: [
|
112 | /class\s+/,
|
113 | IDENT_RE,
|
114 | /\s+is\s+/,
|
115 | IDENT_RE
|
116 | ] },
|
117 | { match: [
|
118 | /class\s+/,
|
119 | IDENT_RE
|
120 | ] }
|
121 | ],
|
122 | scope: {
|
123 | 2: "title.class",
|
124 | 4: "title.class.inherited"
|
125 | },
|
126 | keywords: KEYWORDS
|
127 | };
|
128 |
|
129 | const OPERATOR = {
|
130 | relevance: 0,
|
131 | match: regex.either(...OPERATORS),
|
132 | className: "operator"
|
133 | };
|
134 |
|
135 | const TRIPLE_STRING = {
|
136 | className: "string",
|
137 | begin: /"""/,
|
138 | end: /"""/
|
139 | };
|
140 |
|
141 | const PROPERTY = {
|
142 | className: "property",
|
143 | begin: regex.concat(/\./, regex.lookahead(IDENT_RE)),
|
144 | end: IDENT_RE,
|
145 | excludeBegin: true,
|
146 | relevance: 0
|
147 | };
|
148 |
|
149 | const FIELD = {
|
150 | relevance: 0,
|
151 | match: regex.concat(/\b_/, IDENT_RE),
|
152 | scope: "variable"
|
153 | };
|
154 |
|
155 |
|
156 | const CLASS_REFERENCE = {
|
157 | relevance: 0,
|
158 | match: /\b[A-Z]+[a-z]+([A-Z]+[a-z]+)*/,
|
159 | scope: "title.class",
|
160 | keywords: { _: CORE_CLASSES }
|
161 | };
|
162 |
|
163 |
|
164 | const NUMBER = hljs.C_NUMBER_MODE;
|
165 |
|
166 | const SETTER = {
|
167 | match: [
|
168 | IDENT_RE,
|
169 | /\s*/,
|
170 | /=/,
|
171 | /\s*/,
|
172 | /\(/,
|
173 | IDENT_RE,
|
174 | /\)\s*\{/
|
175 | ],
|
176 | scope: {
|
177 | 1: "title.function",
|
178 | 3: "operator",
|
179 | 6: "params"
|
180 | }
|
181 | };
|
182 |
|
183 | const COMMENT_DOCS = hljs.COMMENT(
|
184 | /\/\*\*/,
|
185 | /\*\
|
186 | { contains: [
|
187 | {
|
188 | match: /@[a-z]+/,
|
189 | scope: "doctag"
|
190 | },
|
191 | "self"
|
192 | ] }
|
193 | );
|
194 | const SUBST = {
|
195 | scope: "subst",
|
196 | begin: /%\(/,
|
197 | end: /\)/,
|
198 | contains: [
|
199 | NUMBER,
|
200 | CLASS_REFERENCE,
|
201 | FUNCTION,
|
202 | FIELD,
|
203 | OPERATOR
|
204 | ]
|
205 | };
|
206 | const STRING = {
|
207 | scope: "string",
|
208 | begin: /"/,
|
209 | end: /"/,
|
210 | contains: [
|
211 | SUBST,
|
212 | {
|
213 | scope: "char.escape",
|
214 | variants: [
|
215 | { match: /\\\\|\\["0%abefnrtv]/ },
|
216 | { match: /\\x[0-9A-F]{2}/ },
|
217 | { match: /\\u[0-9A-F]{4}/ },
|
218 | { match: /\\U[0-9A-F]{8}/ }
|
219 | ]
|
220 | }
|
221 | ]
|
222 | };
|
223 | SUBST.contains.push(STRING);
|
224 |
|
225 | const ALL_KWS = [
|
226 | ...KEYWORDS,
|
227 | ...LANGUAGE_VARS,
|
228 | ...LITERALS
|
229 | ];
|
230 | const VARIABLE = {
|
231 | relevance: 0,
|
232 | match: regex.concat(
|
233 | "\\b(?!",
|
234 | ALL_KWS.join("|"),
|
235 | "\\b)",
|
236 | /[a-zA-Z_]\w*(?:[?!]|\b)/
|
237 | ),
|
238 | className: "variable"
|
239 | };
|
240 |
|
241 |
|
242 | const ATTRIBUTE = {
|
243 |
|
244 | scope: "comment",
|
245 | variants: [
|
246 | {
|
247 | begin: [
|
248 | /#!?/,
|
249 | /[A-Za-z_]+(?=\()/
|
250 | ],
|
251 | beginScope: {
|
252 |
|
253 | },
|
254 | keywords: { literal: LITERALS },
|
255 | contains: [
|
256 |
|
257 |
|
258 | ],
|
259 | end: /\)/
|
260 | },
|
261 | {
|
262 | begin: [
|
263 | /#!?/,
|
264 | /[A-Za-z_]+/
|
265 | ],
|
266 | beginScope: {
|
267 |
|
268 | },
|
269 | end: /$/
|
270 | }
|
271 | ]
|
272 | };
|
273 |
|
274 | return {
|
275 | name: "Wren",
|
276 | keywords: {
|
277 | keyword: KEYWORDS,
|
278 | "variable.language": LANGUAGE_VARS,
|
279 | literal: LITERALS
|
280 | },
|
281 | contains: [
|
282 | ATTRIBUTE,
|
283 | NUMBER,
|
284 | STRING,
|
285 | TRIPLE_STRING,
|
286 | COMMENT_DOCS,
|
287 | hljs.C_LINE_COMMENT_MODE,
|
288 | hljs.C_BLOCK_COMMENT_MODE,
|
289 | CLASS_REFERENCE,
|
290 | CLASS_DEFINITION,
|
291 | SETTER,
|
292 | FUNCTION_DEFINITION,
|
293 | FUNCTION,
|
294 | OPERATOR,
|
295 | FIELD,
|
296 | PROPERTY,
|
297 | VARIABLE
|
298 | ]
|
299 | };
|
300 | }
|
301 |
|
302 | module.exports = wren;
|