1/** 2 * @license 3 * Copyright (C) 2010 Google Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18/** 19 * @fileoverview 20 * Registers a language handler for Scala. 21 * 22 * Derived from http://lampsvn.epfl.ch/svn-repos/scala/scala-documentation/trunk/src/reference/SyntaxSummary.tex 23 * 24 * @author mikesamuel@gmail.com 25 */ 26 27PR['registerLangHandler']( 28 PR['createSimpleLexer']( 29 [ 30 // Whitespace 31 [PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'], 32 // A double or single quoted string 33 // or a triple double-quoted multi-line string. 34 [PR['PR_STRING'], 35 /^(?:"(?:(?:""(?:""?(?!")|[^\\"]|\\.)*"{0,3})|(?:[^"\r\n\\]|\\.)*"?))/, 36 null, '"'], 37 [PR['PR_LITERAL'], /^`(?:[^\r\n\\`]|\\.)*`?/, null, '`'], 38 [PR['PR_PUNCTUATION'], /^[!#%&()*+,\-:;<=>?@\[\\\]^{|}~]+/, null, 39 '!#%&()*+,-:;<=>?@[\\]^{|}~'] 40 ], 41 [ 42 // A symbol literal is a single quote followed by an identifier with no 43 // single quote following 44 // A character literal has single quotes on either side 45 [PR['PR_STRING'], /^'(?:[^\r\n\\']|\\(?:'|[^\r\n']+))'/], 46 [PR['PR_LITERAL'], /^'[a-zA-Z_$][\w$]*(?!['$\w])/], 47 [PR['PR_KEYWORD'], /^(?:abstract|case|catch|class|def|do|else|extends|final|finally|for|forSome|if|implicit|import|lazy|match|new|object|override|package|private|protected|requires|return|sealed|super|throw|trait|try|type|val|var|while|with|yield)\b/], 48 [PR['PR_LITERAL'], /^(?:true|false|null|this)\b/], 49 [PR['PR_LITERAL'], /^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][0-9]*)(?:(?:\.[0-9]+)?(?:E[+\-]?[0-9]+)?F?|L?))|\\.[0-9]+(?:E[+\-]?[0-9]+)?F?)/i], 50 // Treat upper camel case identifiers as types. 51 [PR['PR_TYPE'], /^[$_]*[A-Z][_$A-Z0-9]*[a-z][\w$]*/], 52 [PR['PR_PLAIN'], /^[$a-zA-Z_][\w$]*/], 53 [PR['PR_COMMENT'], /^\/(?:\/.*|\*(?:\/|\**[^*/])*(?:\*+\/?)?)/], 54 [PR['PR_PUNCTUATION'], /^(?:\.+|\/)/] 55 ]), 56 ['scala']); 57