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Diffstat (limited to 'imports/codemirror/mode/javascript/javascript.js')
-rwxr-xr-x | imports/codemirror/mode/javascript/javascript.js | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/imports/codemirror/mode/javascript/javascript.js b/imports/codemirror/mode/javascript/javascript.js new file mode 100755 index 00000000..be2a0698 --- /dev/null +++ b/imports/codemirror/mode/javascript/javascript.js | |||
@@ -0,0 +1,360 @@ | |||
1 | CodeMirror.defineMode("javascript", function(config, parserConfig) { | ||
2 | var indentUnit = config.indentUnit; | ||
3 | var jsonMode = parserConfig.json; | ||
4 | |||
5 | // Tokenizer | ||
6 | |||
7 | var keywords = function(){ | ||
8 | function kw(type) {return {type: type, style: "keyword"};} | ||
9 | var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); | ||
10 | var operator = kw("operator"), atom = {type: "atom", style: "atom"}; | ||
11 | return { | ||
12 | "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, | ||
13 | "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, | ||
14 | "var": kw("var"), "const": kw("var"), "let": kw("var"), | ||
15 | "function": kw("function"), "catch": kw("catch"), | ||
16 | "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), | ||
17 | "in": operator, "typeof": operator, "instanceof": operator, | ||
18 | "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom | ||
19 | }; | ||
20 | }(); | ||
21 | |||
22 | var isOperatorChar = /[+\-*&%=<>!?|]/; | ||
23 | |||
24 | function chain(stream, state, f) { | ||
25 | state.tokenize = f; | ||
26 | return f(stream, state); | ||
27 | } | ||
28 | |||
29 | function nextUntilUnescaped(stream, end) { | ||
30 | var escaped = false, next; | ||
31 | while ((next = stream.next()) != null) { | ||
32 | if (next == end && !escaped) | ||
33 | return false; | ||
34 | escaped = !escaped && next == "\\"; | ||
35 | } | ||
36 | return escaped; | ||
37 | } | ||
38 | |||
39 | // Used as scratch variables to communicate multiple values without | ||
40 | // consing up tons of objects. | ||
41 | var type, content; | ||
42 | function ret(tp, style, cont) { | ||
43 | type = tp; content = cont; | ||
44 | return style; | ||
45 | } | ||
46 | |||
47 | function jsTokenBase(stream, state) { | ||
48 | var ch = stream.next(); | ||
49 | if (ch == '"' || ch == "'") | ||
50 | return chain(stream, state, jsTokenString(ch)); | ||
51 | else if (/[\[\]{}\(\),;\:\.]/.test(ch)) | ||
52 | return ret(ch); | ||
53 | else if (ch == "0" && stream.eat(/x/i)) { | ||
54 | stream.eatWhile(/[\da-f]/i); | ||
55 | return ret("number", "number"); | ||
56 | } | ||
57 | else if (/\d/.test(ch)) { | ||
58 | stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); | ||
59 | return ret("number", "number"); | ||
60 | } | ||
61 | else if (ch == "/") { | ||
62 | if (stream.eat("*")) { | ||
63 | return chain(stream, state, jsTokenComment); | ||
64 | } | ||
65 | else if (stream.eat("/")) { | ||
66 | stream.skipToEnd(); | ||
67 | return ret("comment", "comment"); | ||
68 | } | ||
69 | else if (state.reAllowed) { | ||
70 | nextUntilUnescaped(stream, "/"); | ||
71 | stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla | ||
72 | return ret("regexp", "string"); | ||
73 | } | ||
74 | else { | ||
75 | stream.eatWhile(isOperatorChar); | ||
76 | return ret("operator", null, stream.current()); | ||
77 | } | ||
78 | } | ||
79 | else if (ch == "#") { | ||
80 | stream.skipToEnd(); | ||
81 | return ret("error", "error"); | ||
82 | } | ||
83 | else if (isOperatorChar.test(ch)) { | ||
84 | stream.eatWhile(isOperatorChar); | ||
85 | return ret("operator", null, stream.current()); | ||
86 | } | ||
87 | else { | ||
88 | stream.eatWhile(/[\w\$_]/); | ||
89 | var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; | ||
90 | return (known && state.kwAllowed) ? ret(known.type, known.style, word) : | ||
91 | ret("variable", "variable", word); | ||
92 | } | ||
93 | } | ||
94 | |||
95 | function jsTokenString(quote) { | ||
96 | return function(stream, state) { | ||
97 | if (!nextUntilUnescaped(stream, quote)) | ||
98 | state.tokenize = jsTokenBase; | ||
99 | return ret("string", "string"); | ||
100 | }; | ||
101 | } | ||
102 | |||
103 | function jsTokenComment(stream, state) { | ||
104 | var maybeEnd = false, ch; | ||
105 | while (ch = stream.next()) { | ||
106 | if (ch == "/" && maybeEnd) { | ||
107 | state.tokenize = jsTokenBase; | ||
108 | break; | ||
109 | } | ||
110 | maybeEnd = (ch == "*"); | ||
111 | } | ||
112 | return ret("comment", "comment"); | ||
113 | } | ||
114 | |||
115 | // Parser | ||
116 | |||
117 | var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; | ||
118 | |||
119 | function JSLexical(indented, column, type, align, prev, info) { | ||
120 | this.indented = indented; | ||
121 | this.column = column; | ||
122 | this.type = type; | ||
123 | this.prev = prev; | ||
124 | this.info = info; | ||
125 | if (align != null) this.align = align; | ||
126 | } | ||
127 | |||
128 | function inScope(state, varname) { | ||
129 | for (var v = state.localVars; v; v = v.next) | ||
130 | if (v.name == varname) return true; | ||
131 | } | ||
132 | |||
133 | function parseJS(state, style, type, content, stream) { | ||
134 | var cc = state.cc; | ||
135 | // Communicate our context to the combinators. | ||
136 | // (Less wasteful than consing up a hundred closures on every call.) | ||
137 | cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; | ||
138 | |||
139 | if (!state.lexical.hasOwnProperty("align")) | ||
140 | state.lexical.align = true; | ||
141 | |||
142 | while(true) { | ||
143 | var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; | ||
144 | if (combinator(type, content)) { | ||
145 | while(cc.length && cc[cc.length - 1].lex) | ||
146 | cc.pop()(); | ||
147 | if (cx.marked) return cx.marked; | ||
148 | if (type == "variable" && inScope(state, content)) return "variable-2"; | ||
149 | return style; | ||
150 | } | ||
151 | } | ||
152 | } | ||
153 | |||
154 | // Combinator utils | ||
155 | |||
156 | var cx = {state: null, column: null, marked: null, cc: null}; | ||
157 | function pass() { | ||
158 | for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); | ||
159 | } | ||
160 | function cont() { | ||
161 | pass.apply(null, arguments); | ||
162 | return true; | ||
163 | } | ||
164 | function register(varname) { | ||
165 | var state = cx.state; | ||
166 | if (state.context) { | ||
167 | cx.marked = "def"; | ||
168 | for (var v = state.localVars; v; v = v.next) | ||
169 | if (v.name == varname) return; | ||
170 | state.localVars = {name: varname, next: state.localVars}; | ||
171 | } | ||
172 | } | ||
173 | |||
174 | // Combinators | ||
175 | |||
176 | var defaultVars = {name: "this", next: {name: "arguments"}}; | ||
177 | function pushcontext() { | ||
178 | if (!cx.state.context) cx.state.localVars = defaultVars; | ||
179 | cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; | ||
180 | } | ||
181 | function popcontext() { | ||
182 | cx.state.localVars = cx.state.context.vars; | ||
183 | cx.state.context = cx.state.context.prev; | ||
184 | } | ||
185 | function pushlex(type, info) { | ||
186 | var result = function() { | ||
187 | var state = cx.state; | ||
188 | state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info) | ||
189 | }; | ||
190 | result.lex = true; | ||
191 | return result; | ||
192 | } | ||
193 | function poplex() { | ||
194 | var state = cx.state; | ||
195 | if (state.lexical.prev) { | ||
196 | if (state.lexical.type == ")") | ||
197 | state.indented = state.lexical.indented; | ||
198 | state.lexical = state.lexical.prev; | ||
199 | } | ||
200 | } | ||
201 | poplex.lex = true; | ||
202 | |||
203 | function expect(wanted) { | ||
204 | return function expecting(type) { | ||
205 | if (type == wanted) return cont(); | ||
206 | else if (wanted == ";") return pass(); | ||
207 | else return cont(arguments.callee); | ||
208 | }; | ||
209 | } | ||
210 | |||
211 | function statement(type) { | ||
212 | if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex); | ||
213 | if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); | ||
214 | if (type == "keyword b") return cont(pushlex("form"), statement, poplex); | ||
215 | if (type == "{") return cont(pushlex("}"), block, poplex); | ||
216 | if (type == ";") return cont(); | ||
217 | if (type == "function") return cont(functiondef); | ||
218 | if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), | ||
219 | poplex, statement, poplex); | ||
220 | if (type == "variable") return cont(pushlex("stat"), maybelabel); | ||
221 | if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), | ||
222 | block, poplex, poplex); | ||
223 | if (type |