| /** | |
| * @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_$][\w$]*(?!['$\w])/], | |
| [PR.PR_KEYWORD, /^(?:abstract|case|catch|class|def|do|else|extends|final|finally|for|forSome|if|implicit|import|lazy|match|new|object|override|package|private|protected|requires|return|sealed|super|throw|trait|try|type|val|var|while|with|yield)\b/], | |
| [PR.PR_LITERAL, /^(?:true|false|null|this)\b/], | |
| [PR.PR_LITERAL, /^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][0-9]*)(?:(?:\.[0-9]+)?(?:E[+\-]?[0-9]+)?F?|L?))|\\.[0-9]+(?:E[+\-]?[0-9]+)?F?)/i], | |
| // Treat upper camel case identifiers as types. | |
| [PR.PR_TYPE, /^[$_]*[A-Z][_$A-Z0-9]*[a-z][\w$]*/], | |
| [PR.PR_PLAIN, /^[$a-zA-Z_][\w$]*/], | |
| [PR.PR_COMMENT, /^\/(?:\/.*|\*(?:\/|\**[^*/])*(?:\*+\/?)?)/], | |
| [PR.PR_PUNCTUATION, /^(?:\.+|\/)/] | |
| ]), | |
| ['scala']); |