| // Copyright (C) 2010 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| |
| /** |
| * @fileoverview |
| * Registers a language handler for Scala. |
| * |
| * Derived from http://lampsvn.epfl.ch/svn-repos/scala/scala-documentation/trunk/src/reference/SyntaxSummary.tex |
| * |
| * @author mikesamuel@gmail.com |
| */ |
| |
| PR['registerLangHandler']( |
| PR['createSimpleLexer']( |
| [ |
| // Whitespace |
| [PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'], |
| // A double or single quoted string |
| // or a triple double-quoted multi-line string. |
| [PR['PR_STRING'], |
| /^(?:"(?:(?:""(?:""?(?!")|[^\\"]|\\.)*"{0,3})|(?:[^"\r\n\\]|\\.)*"?))/, |
| null, '"'], |
| [PR['PR_LITERAL'], /^`(?:[^\r\n\\`]|\\.)*`?/, null, '`'], |
| [PR['PR_PUNCTUATION'], /^[!#%&()*+,\-:;<=>?@\[\\\]^{|}~]+/, null, |
| '!#%&()*+,-:;<=>?@[\\]^{|}~'] |
| ], |
| [ |
| // A symbol literal is a single quote followed by an identifier with no |
| // single quote following |
| // A character literal has single quotes on either side |
| [PR['PR_STRING'], /^'(?:[^\r\n\\']|\\(?:'|[^\r\n']+))'/], |
| [PR['PR_LITERAL'], /^'[a-zA-Z_$][\w$]*(?!['$\w])/], |
| [PR['PR_KEYWORD'], /^(?:datatype|transient|identifier|mapentry|interface|op|readonly|resolve|ordered|void|abstract|attr|class|enum|extends|import|package|ref|val)\b/], |
| [PR['PR_LITERAL'], /^(?:true|false|null|this)\b/], |
| [PR['PR_LITERAL'], /^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][0-9]*)(?:(?:\.[0-9]+)?(?:E[+\-]?[0-9]+)?F?|L?))|\\.[0-9]+(?:E[+\-]?[0-9]+)?F?)/i], |
| // Treat upper camel case identifiers as types. |
| // [PR['PR_TYPE'], /^[$_]*[A-Z][_$A-Z0-9]*[a-z][\w$]*/], |
| [PR['PR_PLAIN'], /^[$a-zA-Z_][\w$]*/], |
| [PR['PR_COMMENT'], /^\/(?:\/.*|\*(?:\/|\**[^*/])*(?:\*+\/?)?)/], |
| [PR['PR_PUNCTUATION'], /^(?:\.+|\/)/] |
| ]), |
| ['emf']); |
