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author | Ananya Sen | 2012-07-17 14:25:53 -0700 |
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committer | Ananya Sen | 2012-07-17 14:25:53 -0700 |
commit | 09457e39532e9b35afb9c635266755bfcb9b488a (patch) | |
tree | 665dcbd41377b98dcab15ff995e9434d9db1a462 /imports/codemirror/mode/pig/pig.js | |
parent | f2dbca782bbaca3bed96dff808693693ba083ea9 (diff) | |
parent | 4f737b24c19ddc02d20f9783b8b080fc6ef11142 (diff) | |
download | ninja-09457e39532e9b35afb9c635266755bfcb9b488a.tar.gz |
Merge branch 'refs/heads/ninja-internal-master' into copy-paste-bugfix
Diffstat (limited to 'imports/codemirror/mode/pig/pig.js')
-rw-r--r-- | imports/codemirror/mode/pig/pig.js | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/imports/codemirror/mode/pig/pig.js b/imports/codemirror/mode/pig/pig.js new file mode 100644 index 00000000..b7399b43 --- /dev/null +++ b/imports/codemirror/mode/pig/pig.js | |||
@@ -0,0 +1,172 @@ | |||
1 | /* | ||
2 | * Pig Latin Mode for CodeMirror 2 | ||
3 | * @author Prasanth Jayachandran | ||
4 | * @link https://github.com/prasanthj/pig-codemirror-2 | ||
5 | * This implementation is adapted from PL/SQL mode in CodeMirror 2. | ||
6 | */ | ||
7 | CodeMirror.defineMode("pig", function(config, parserConfig) { | ||
8 | var indentUnit = config.indentUnit, | ||
9 | keywords = parserConfig.keywords, | ||
10 | builtins = parserConfig.builtins, | ||
11 | types = parserConfig.types, | ||
12 | multiLineStrings = parserConfig.multiLineStrings; | ||
13 | |||
14 | var isOperatorChar = /[*+\-%<>=&?:\/!|]/; | ||
15 | |||
16 | function chain(stream, state, f) { | ||
17 | state.tokenize = f; | ||
18 | return f(stream, state); | ||
19 | } | ||
20 | |||
21 | var type; | ||
22 | function ret(tp, style) { | ||
23 | type = tp; | ||
24 | return style; | ||
25 | } | ||
26 | |||
27 | function tokenComment(stream, state) { | ||
28 | var isEnd = false; | ||
29 | var ch; | ||
30 | while(ch = stream.next()) { | ||
31 | if(ch == "/" && isEnd) { | ||
32 | state.tokenize = tokenBase; | ||
33 | break; | ||
34 | } | ||
35 | isEnd = (ch == "*"); | ||
36 | } | ||
37 | return ret("comment", "comment"); | ||
38 | } | ||
39 | |||
40 | function tokenString(quote) { | ||
41 | return function(stream, state) { | ||
42 | var escaped = false, next, end = false; | ||
43 | while((next = stream.next()) != null) { | ||
44 | if (next == quote && !escaped) { | ||
45 | end = true; break; | ||
46 | } | ||
47 | escaped = !escaped && next == "\\"; | ||
48 | } | ||
49 | if (end || !(escaped || multiLineStrings)) | ||
50 | state.tokenize = tokenBase; | ||
51 | return ret("string", "error"); | ||
52 | }; | ||
53 | } | ||
54 | |||
55 | function tokenBase(stream, state) { | ||
56 | var ch = stream.next(); | ||
57 | |||
58 | // is a start of string? | ||
59 | if (ch == '"' || ch == "'") | ||
60 | return chain(stream, state, tokenString(ch)); | ||
61 | // is it one of the special chars | ||
62 | else if(/[\[\]{}\(\),;\.]/.test(ch)) | ||
63 | return ret(ch); | ||
64 | // is it a number? | ||
65 | else if(/\d/.test(ch)) { | ||
66 | stream.eatWhile(/[\w\.]/); | ||
67 | return ret("number", "number"); | ||
68 | } | ||
69 | // multi line comment or operator | ||
70 | else if (ch == "/") { | ||
71 | if (stream.eat("*")) { | ||
72 | return chain(stream, state, tokenComment); | ||
73 | } | ||
74 | else { | ||
75 | stream.eatWhile(isOperatorChar); | ||
76 | return ret("operator", "operator"); | ||
77 | } | ||
78 | } | ||
79 | // single line comment or operator | ||
80 | else if (ch=="-") { | ||
81 | if(stream.eat("-")){ | ||
82 | stream.skipToEnd(); | ||
83 | return ret("comment", "comment"); | ||
84 | } | ||
85 | else { | ||
86 | stream.eatWhile(isOperatorChar); | ||
87 | return ret("operator", "operator"); | ||
88 | } | ||
89 | } | ||
90 | // is it an operator | ||
91 | else if (isOperatorChar.test(ch)) { | ||
92 | stream.eatWhile(isOperatorChar); | ||
93 | return ret("operator", "operator"); | ||
94 | } | ||
95 | else { | ||
96 | // get the while word | ||
97 | stream.eatWhile(/[\w\$_]/); | ||
98 | // is it one of the listed keywords? | ||
99 | if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) { | ||
100 | if (stream.eat(")") || stream.eat(".")) { | ||
101 | //keywords can be used as variables like flatten(group), group.$0 etc.. | ||
102 | } | ||
103 | else { | ||
104 | return ("keyword", "keyword"); | ||
105 | } | ||
106 | } | ||
107 | // is it one of the builtin functions? | ||
108 | if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) | ||
109 | { | ||
110 | return ("keyword", "variable-2") | ||
111 | } | ||
112 | // is it one of the listed types? | ||
113 | if (types && types.propertyIsEnumerable(stream.current().toUpperCase())) | ||
114 | return ("keyword", "variable-3") | ||
115 | // default is a 'word' | ||
116 | return ret("word", "pig-word"); | ||
117 | } | ||
118 | } | ||
119 | |||
120 | // Interface | ||
121 | return { | ||
122 | startState: function(basecolumn) { | ||
123 | return { | ||
124 | tokenize: tokenBase, | ||
125 | startOfLine: true | ||
126 | }; | ||
127 | }, | ||
128 | |||
129 | token: function(stream, state) { | ||
130 | if(stream.eatSpace()) return null; | ||
131 | var style = state.tokenize(stream, state); | ||
132 | return style; | ||
133 | } | ||
134 | }; | ||
135 | }); | ||
136 | |||
137 | (function() { | ||
138 | function keywords(str) { | ||
139 | var obj = {}, words = str.split(" "); | ||
140 | for (var i = 0; i < words.length; ++i) obj[words[i]] = true; | ||
141 | return obj; | ||
142 | } | ||
143 | |||
144 | // builtin funcs taken from trunk revision 1303237 | ||
145 | var pBuiltins = "ABS ACOS ARITY ASIN ATAN AVG BAGSIZE BINSTORAGE BLOOM BUILDBLOOM CBRT CEIL " | ||
146 | + "CONCAT COR COS COSH COUNT COUNT_STAR COV CONSTANTSIZE CUBEDIMENSIONS DIFF DISTINCT DOUBLEABS " | ||
147 | + "DOUBLEAVG DOUBLEBASE DOUBLEMAX DOUBLEMIN DOUBLEROUND DOUBLESUM EXP FLOOR FLOATABS FLOATAVG " | ||
148 | + "FLOATMAX FLOATMIN FLOATROUND FLOATSUM GENERICINVOKER INDEXOF INTABS INTAVG INTMAX INTMIN " | ||
149 | + "INTSUM INVOKEFORDOUBLE INVOKEFORFLOAT INVOKEFORINT INVOKEFORLONG INVOKEFORSTRING INVOKER " | ||
150 | + "ISEMPTY JSONLOADER JSONMETADATA JSONSTORAGE LAST_INDEX_OF LCFIRST LOG LOG10 LOWER LONGABS " | ||
151 | + "LONGAVG LONGMAX LONGMIN LONGSUM MAX MIN MAPSIZE MONITOREDUDF NONDETERMINISTIC OUTPUTSCHEMA " | ||
152 | + "PIGSTORAGE PIGSTREAMING RANDOM REGEX_EXTRACT REGEX_EXTRACT_ALL REPLACE ROUND SIN SINH SIZE " | ||
153 | + "SQRT STRSPLIT SUBSTRING SUM STRINGCONCAT STRINGMAX STRINGMIN STRINGSIZE TAN TANH TOBAG " | ||
154 | + "TOKENIZE TOMAP TOP TOTUPLE TRIM TEXTLOADER TUPLESIZE UCFIRST UPPER UTF8STORAGECONVERTER "; | ||
155 | |||
156 | // taken from QueryLexer.g | ||
157 | var pKeywords = "VOID IMPORT RETURNS DEFINE LOAD FILTER FOREACH ORDER CUBE DISTINCT COGROUP " | ||
158 | + "JOIN CROSS UNION SPLIT INTO IF OTHERWISE ALL AS BY USING INNER OUTER ONSCHEMA PARALLEL " | ||
159 | + "PARTITION GROUP AND OR NOT GENERATE FLATTEN ASC DESC IS STREAM THROUGH STORE MAPREDUCE " | ||
160 | + "SHIP CACHE INPUT OUTPUT STDERROR STDIN STDOUT LIMIT SAMPLE LEFT RIGHT FULL EQ GT LT GTE LTE " | ||
161 | + "NEQ MATCHES TRUE FALSE "; | ||
162 | |||
163 | // data types | ||
164 | var pTypes = "BOOLEAN INT LONG FLOAT DOUBLE CHARARRAY BYTEARRAY BAG TUPLE MAP " | ||
165 | |||
166 | CodeMirror.defineMIME("text/x-pig", { | ||
167 | name: "pig", | ||
168 | builtins: keywords(pBuiltins), | ||
169 | keywords: keywords(pKeywords), | ||
170 | types: keywords(pTypes) | ||
171 | }); | ||
172 | }()); | ||