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| 1 // Copyright (C) 2010 Google Inc. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 | |
| 15 | |
| 16 /** | |
| 17 * @fileoverview | |
| 18 * Registers a language handler for Scala. | |
| 19 * | |
| 20 * Derived from http://lampsvn.epfl.ch/svn-repos/scala/scala-documentation/trunk
/src/reference/SyntaxSummary.tex | |
| 21 * | |
| 22 * @author mikesamuel@gmail.com | |
| 23 */ | |
| 24 | |
| 25 PR['registerLangHandler']( | |
| 26 PR['createSimpleLexer']( | |
| 27 [ | |
| 28 // Whitespace | |
| 29 [PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'], | |
| 30 // A double or single quoted string | |
| 31 // or a triple double-quoted multi-line string. | |
| 32 [PR['PR_STRING'], | |
| 33 /^(?:"(?:(?:""(?:""?(?!")|[^\\"]|\\.)*"{0,3})|(?:[^"\r\n\\]|\\.)*"?))/
, | |
| 34 null, '"'], | |
| 35 [PR['PR_LITERAL'], /^`(?:[^\r\n\\`]|\\.)*`?/, null, '`'], | |
| 36 [PR['PR_PUNCTUATION'], /^[!#%&()*+,\-:;<=>?@\[\\\]^{|}~]+/, null, | |
| 37 '!#%&()*+,-:;<=>?@[\\]^{|}~'] | |
| 38 ], | |
| 39 [ | |
| 40 // A symbol literal is a single quote followed by an identifier with no | |
| 41 // single quote following | |
| 42 // A character literal has single quotes on either side | |
| 43 [PR['PR_STRING'], /^'(?:[^\r\n\\']|\\(?:'|[^\r\n']+))'/], | |
| 44 [PR['PR_LITERAL'], /^'[a-zA-Z_$][\w$]*(?!['$\w])/], | |
| 45 [PR['PR_KEYWORD'], /^(?:abstract|case|catch|class|def|do|else|exten
ds|final|finally|for|forSome|if|implicit|import|lazy|match|new|object|override|p
ackage|private|protected|requires|return|sealed|super|throw|trait|try|type|val|v
ar|while|with|yield)\b/], | |
| 46 [PR['PR_LITERAL'], /^(?:true|false|null|this)\b/], | |
| 47 [PR['PR_LITERAL'], /^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][
0-9]*)(?:(?:\.[0-9]+)?(?:E[+\-]?[0-9]+)?F?|L?))|\\.[0-9]+(?:E[+\-]?[0-9]+)?F?)/i
], | |
| 48 // Treat upper camel case identifiers as types. | |
| 49 [PR['PR_TYPE'], /^[$_]*[A-Z][_$A-Z0-9]*[a-z][\w$]*/], | |
| 50 [PR['PR_PLAIN'], /^[$a-zA-Z_][\w$]*/], | |
| 51 [PR['PR_COMMENT'], /^\/(?:\/.*|\*(?:\/|\**[^*/])*(?:\*+\/?)?)/], | |
| 52 [PR['PR_PUNCTUATION'], /^(?:\.+|\/)/] | |
| 53 ]), | |
| 54 ['scala']); | |
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