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comparison .cms/lib/codemirror/mode/lua/lua.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 // LUA mode. Ported to CodeMirror 2 from Franciszek Wawrzak's | |
5 // CodeMirror 1 mode. | |
6 // highlights keywords, strings, comments (no leveling supported! ("[==[")), tokens, basic indenting | |
7 | |
8 (function(mod) { | |
9 if (typeof exports == "object" && typeof module == "object") // CommonJS | |
10 mod(require("../../lib/codemirror")); | |
11 else if (typeof define == "function" && define.amd) // AMD | |
12 define(["../../lib/codemirror"], mod); | |
13 else // Plain browser env | |
14 mod(CodeMirror); | |
15 })(function(CodeMirror) { | |
16 "use strict"; | |
17 | |
18 CodeMirror.defineMode("lua", function(config, parserConfig) { | |
19 var indentUnit = config.indentUnit; | |
20 | |
21 function prefixRE(words) { | |
22 return new RegExp("^(?:" + words.join("|") + ")", "i"); | |
23 } | |
24 function wordRE(words) { | |
25 return new RegExp("^(?:" + words.join("|") + ")$", "i"); | |
26 } | |
27 var specials = wordRE(parserConfig.specials || []); | |
28 | |
29 // long list of standard functions from lua manual | |
30 var builtins = wordRE([ | |
31 "_G","_VERSION","assert","collectgarbage","dofile","error","getfenv","getmetatable","ipairs","load", | |
32 "loadfile","loadstring","module","next","pairs","pcall","print","rawequal","rawget","rawset","require", | |
33 "select","setfenv","setmetatable","tonumber","tostring","type","unpack","xpcall", | |
34 | |
35 "coroutine.create","coroutine.resume","coroutine.running","coroutine.status","coroutine.wrap","coroutine.yield", | |
36 | |
37 "debug.debug","debug.getfenv","debug.gethook","debug.getinfo","debug.getlocal","debug.getmetatable", | |
38 "debug.getregistry","debug.getupvalue","debug.setfenv","debug.sethook","debug.setlocal","debug.setmetatable", | |
39 "debug.setupvalue","debug.traceback", | |
40 | |
41 "close","flush","lines","read","seek","setvbuf","write", | |
42 | |
43 "io.close","io.flush","io.input","io.lines","io.open","io.output","io.popen","io.read","io.stderr","io.stdin", | |
44 "io.stdout","io.tmpfile","io.type","io.write", | |
45 | |
46 "math.abs","math.acos","math.asin","math.atan","math.atan2","math.ceil","math.cos","math.cosh","math.deg", | |
47 "math.exp","math.floor","math.fmod","math.frexp","math.huge","math.ldexp","math.log","math.log10","math.max", | |
48 "math.min","math.modf","math.pi","math.pow","math.rad","math.random","math.randomseed","math.sin","math.sinh", | |
49 "math.sqrt","math.tan","math.tanh", | |
50 | |
51 "os.clock","os.date","os.difftime","os.execute","os.exit","os.getenv","os.remove","os.rename","os.setlocale", | |
52 "os.time","os.tmpname", | |
53 | |
54 "package.cpath","package.loaded","package.loaders","package.loadlib","package.path","package.preload", | |
55 "package.seeall", | |
56 | |
57 "string.byte","string.char","string.dump","string.find","string.format","string.gmatch","string.gsub", | |
58 "string.len","string.lower","string.match","string.rep","string.reverse","string.sub","string.upper", | |
59 | |
60 "table.concat","table.insert","table.maxn","table.remove","table.sort" | |
61 ]); | |
62 var keywords = wordRE(["and","break","elseif","false","nil","not","or","return", | |
63 "true","function", "end", "if", "then", "else", "do", | |
64 "while", "repeat", "until", "for", "in", "local" ]); | |
65 | |
66 var indentTokens = wordRE(["function", "if","repeat","do", "\\(", "{"]); | |
67 var dedentTokens = wordRE(["end", "until", "\\)", "}"]); | |
68 var dedentPartial = prefixRE(["end", "until", "\\)", "}", "else", "elseif"]); | |
69 | |
70 function readBracket(stream) { | |
71 var level = 0; | |
72 while (stream.eat("=")) ++level; | |
73 stream.eat("["); | |
74 return level; | |
75 } | |
76 | |
77 function normal(stream, state) { | |
78 var ch = stream.next(); | |
79 if (ch == "-" && stream.eat("-")) { | |
80 if (stream.eat("[") && stream.eat("[")) | |
81 return (state.cur = bracketed(readBracket(stream), "comment"))(stream, state); | |
82 stream.skipToEnd(); | |
83 return "comment"; | |
84 } | |
85 if (ch == "\"" || ch == "'") | |
86 return (state.cur = string(ch))(stream, state); | |
87 if (ch == "[" && /[\[=]/.test(stream.peek())) | |
88 return (state.cur = bracketed(readBracket(stream), "string"))(stream, state); | |
89 if (/\d/.test(ch)) { | |
90 stream.eatWhile(/[\w.%]/); | |
91 return "number"; | |
92 } | |
93 if (/[\w_]/.test(ch)) { | |
94 stream.eatWhile(/[\w\\\-_.]/); | |
95 return "variable"; | |
96 } | |
97 return null; | |
98 } | |
99 | |
100 function bracketed(level, style) { | |
101 return function(stream, state) { | |
102 var curlev = null, ch; | |
103 while ((ch = stream.next()) != null) { | |
104 if (curlev == null) {if (ch == "]") curlev = 0;} | |
105 else if (ch == "=") ++curlev; | |
106 else if (ch == "]" && curlev == level) { state.cur = normal; break; } | |
107 else curlev = null; | |
108 } | |
109 return style; | |
110 }; | |
111 } | |
112 | |
113 function string(quote) { | |
114 return function(stream, state) { | |
115 var escaped = false, ch; | |
116 while ((ch = stream.next()) != null) { | |
117 if (ch == quote && !escaped) break; | |
118 escaped = !escaped && ch == "\\"; | |
119 } | |
120 if (!escaped) state.cur = normal; | |
121 return "string"; | |
122 }; | |
123 } | |
124 | |
125 return { | |
126 startState: function(basecol) { | |
127 return {basecol: basecol || 0, indentDepth: 0, cur: normal}; | |
128 }, | |
129 | |
130 token: function(stream, state) { | |
131 if (stream.eatSpace()) return null; | |
132 var style = state.cur(stream, state); | |
133 var word = stream.current(); | |
134 if (style == "variable") { | |
135 if (keywords.test(word)) style = "keyword"; | |
136 else if (builtins.test(word)) style = "builtin"; | |
137 else if (specials.test(word)) style = "variable-2"; | |
138 } | |
139 if ((style != "comment") && (style != "string")){ | |
140 if (indentTokens.test(word)) ++state.indentDepth; | |
141 else if (dedentTokens.test(word)) --state.indentDepth; | |
142 } | |
143 return style; | |
144 }, | |
145 | |
146 indent: function(state, textAfter) { | |
147 var closing = dedentPartial.test(textAfter); | |
148 return state.basecol + indentUnit * (state.indentDepth - (closing ? 1 : 0)); | |
149 }, | |
150 | |
151 electricInput: /^\s*(?:end|until|else|\)|\})$/, | |
152 lineComment: "--", | |
153 blockCommentStart: "--[[", | |
154 blockCommentEnd: "]]" | |
155 }; | |
156 }); | |
157 | |
158 CodeMirror.defineMIME("text/x-lua", "lua"); | |
159 | |
160 }); |