diff options
Diffstat (limited to 'node_modules/montage/core/selector')
-rw-r--r-- | node_modules/montage/core/selector/abstract-language.js | 303 | ||||
-rw-r--r-- | node_modules/montage/core/selector/abstract-selector.js | 189 | ||||
-rw-r--r-- | node_modules/montage/core/selector/abstract-semantics.js | 100 | ||||
-rw-r--r-- | node_modules/montage/core/selector/language.js | 381 | ||||
-rw-r--r-- | node_modules/montage/core/selector/parser.js | 62 | ||||
-rw-r--r-- | node_modules/montage/core/selector/property-language.js | 346 | ||||
-rw-r--r-- | node_modules/montage/core/selector/semantics.js | 392 |
7 files changed, 1773 insertions, 0 deletions
diff --git a/node_modules/montage/core/selector/abstract-language.js b/node_modules/montage/core/selector/abstract-language.js new file mode 100644 index 00000000..1ae8f616 --- /dev/null +++ b/node_modules/montage/core/selector/abstract-language.js | |||
@@ -0,0 +1,303 @@ | |||
1 | /* <copyright> | ||
2 | This file contains proprietary software owned by Motorola Mobility, Inc.<br/> | ||
3 | No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/> | ||
4 | (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. | ||
5 | </copyright> */ | ||
6 | |||
7 | var Montage = require("montage").Montage; | ||
8 | |||
9 | var makeSelector = require("./abstract-selector").makeSelector; | ||
10 | |||
11 | var AbstractLanguage = exports.AbstractLanguage = Montage.create(Montage, { | ||
12 | |||
13 | create: { | ||
14 | value: function (prototype, descriptor) { | ||
15 | var self = Montage.create(prototype, descriptor); | ||
16 | self.parsePrevious = null; | ||
17 | self.tokens = {}; | ||
18 | self.tokenNames = []; | ||
19 | self.constantSyntax = {}; | ||
20 | self.requireConstants(self.constants); | ||
21 | |||
22 | // compute inverse of aliases so we can map tokens | ||
23 | self.reverseAliases = {}; | ||
24 | self.aliases = self.aliases || {}; | ||
25 | Object.keys(self.aliases).forEach(function (to) { | ||
26 | var from = self.aliases[to]; | ||
27 | self.reverseAliases[from] = self.reverseAliases[from] || []; | ||
28 | self.reverseAliases[from].push(to); | ||
29 | }); | ||
30 | |||
31 | self.requireTokens(['eof']); | ||
32 | |||
33 | self.grammar(); | ||
34 | |||
35 | self.Selector = makeSelector(self); | ||
36 | |||
37 | return self; | ||
38 | } | ||
39 | }, | ||
40 | |||
41 | // shared by all instances and heirs to reduce allocations | ||
42 | tokenMemo: { | ||
43 | value: {} | ||
44 | }, | ||
45 | |||
46 | requireTokens: { | ||
47 | value: function (names) { | ||
48 | var self = this; | ||
49 | return names.reduce(function (accumulated, name) { | ||
50 | if (!self.tokens[name]) { | ||
51 | self.tokens[name] = | ||
52 | self.tokenMemo[name] = | ||
53 | self.tokenMemo[name] || {type: name}; | ||
54 | self.tokenNames.push(name); | ||
55 | if (self.reverseAliases[name]) { | ||
56 | return accumulated | ||
57 | .concat([name]) | ||
58 | .concat( | ||
59 | self.requireTokens(self.reverseAliases[name]) | ||
60 | ); | ||
61 | } | ||
62 | } | ||
63 | return accumulated.concat([name]); | ||
64 | }, []); | ||
65 | } | ||
66 | }, | ||
67 | |||
68 | constantSyntax: { | ||
69 | value: null | ||
70 | }, | ||
71 | |||
72 | requireConstants: { | ||
73 | value: function (constants) { | ||
74 | var self = this; | ||
75 | var names = Object.keys(constants || {}); | ||
76 | names.forEach(function (name) { | ||
77 | if (!self.constantSyntax[name]) { | ||
78 | self.tokens[name] = | ||
79 | self.constantSyntax[name] = { | ||
80 | type: 'literal', | ||
81 | value: self.constants[name] | ||
82 | } | ||
83 | self.tokenNames.push(name); | ||
84 | } | ||
85 | }); | ||
86 | } | ||
87 | }, | ||
88 | |||
89 | // parser utilities | ||
90 | |||
91 | makeSyntax: { | ||
92 | value: function (type, args, insensitive, negated) { | ||
93 | var self = this; | ||
94 | |||
95 | while (self.aliases.hasOwnProperty(type)) { | ||
96 | type = self.aliases[type]; | ||
97 | } | ||
98 | var syntax = { | ||
99 | type: type, | ||
100 | args: args, | ||
101 | insensitive: insensitive || undefined | ||
102 | }; | ||
103 | if (!insensitive) { | ||
104 | delete syntax.insensitive; | ||
105 | } | ||
106 | if (negated) { | ||
107 | return { | ||
108 | type: 'not', | ||
109 | args: [syntax] | ||
110 | } | ||
111 | } | ||
112 | return syntax; | ||
113 | } | ||
114 | }, | ||
115 | |||
116 | parsePrevious: { | ||
117 | value: null | ||
118 | }, | ||
119 | |||
120 | precedence: { | ||
121 | value: function (callback) { | ||
122 | callback = callback || identity; | ||
123 | this.parsePrevious = callback(this.parsePrevious); | ||
124 | return this.parsePrevious; | ||
125 | } | ||
126 | }, | ||
127 | |||
128 | // parsers | ||
129 | |||
130 | optional: { | ||
131 | value: function (type, callback) { | ||
132 | return function (token) { | ||
133 | if (type === token.type) { | ||
134 | return callback(true, function rewind(state) { | ||
135 | return state(token); | ||
136 | }); | ||
137 | } else { | ||
138 | return callback(false, function rewind(state) { | ||
139 | return state; | ||
140 | })(token); | ||
141 | } | ||
142 | }; | ||
143 | } | ||
144 | }, | ||
145 | |||
146 | expect: { | ||
147 | value: function (type, callback) { | ||
148 | return function (token) { | ||
149 | if (token.type !== type) { | ||
150 | throw new SyntaxError( | ||
151 | 'Expected token ' + JSON.stringify(type) + | ||
152 | ' got ' + JSON.stringify(token.type)); | ||
153 | } else { | ||
154 | return callback(token); | ||
155 | } | ||
156 | }; | ||
157 | } | ||
158 | |||
159 | }, | ||
160 | |||
161 | parseEof: { | ||
162 | value: function () { | ||
163 | var self = this; | ||
164 | return self.expect('eof', function () { | ||
165 | return function () { | ||
166 | return self.parseEof(); | ||
167 | }; | ||
168 | }) | ||
169 | } | ||
170 | }, | ||
171 | |||
172 | parseOperator: { | ||
173 | value: function (types, consequent, alternate) { | ||
174 | var self = this; | ||
175 | self.requireTokens(['insensitive', 'not']); | ||
176 | return self.optional('insensitive', function ( | ||
177 | insensitive, | ||
178 | rewindInsensitive | ||
179 | ) { | ||
180 | return self.optional('not', function ( | ||
181 | negated, | ||
182 | rewindNegation | ||
183 | ) { | ||
184 | return function (token) { | ||
185 | if (types.indexOf(token.type) !== -1) { | ||
186 | return consequent( | ||
187 | token.type, | ||
188 | insensitive, | ||
189 | negated | ||
190 | ); | ||
191 | } else { | ||
192 | return rewindInsensitive( | ||
193 | rewindNegation( | ||
194 | alternate() | ||
195 | ) | ||
196 | )(token); | ||
197 | } | ||
198 | }; | ||
199 | }); | ||
200 | }); | ||
201 | } | ||
202 | }, | ||
203 | |||
204 | parseLeftToRight: { | ||
205 | value: function (types) { | ||
206 | var self = this; | ||
207 | types = self.requireTokens(types); | ||
208 | var parseSelf = self.precedence(function (parsePrevious) { | ||
209 | return function (callback, left) { | ||
210 | if (left) { | ||