es2-code-prettify
Version:
Google Code Prettify for ES2
57 lines (54 loc) • 2.81 kB
JavaScript
/**
* @license
* 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
*/
registerLangHandler(
createSimpleLexer(
[
// Whitespace
[PR_PLAIN, RegExpProxy( "^[\\t\\n\\r \\xA0]+" ), null, '\t\n\r \xA0'],
// A double or single quoted string
// or a triple double-quoted multi-line string.
[PR_STRING,
RegExpProxy( "^(?:\"(?:(?:\"\"(?:\"\"?(?!\")|[^\\\\\"]|\\\\.)*\"{0,3})|(?:[^\"\\r\\n\\\\]|\\\\.)*\"?))" ),
null, '"'],
[PR_LITERAL, RegExpProxy( "^`(?:[^\\r\\n\\\\`]|\\\\.)*`?" ), null, '`'],
[PR_PUNCTUATION, RegExpProxy( "^[!#%&()*+,\\-:;<=>?@\\[\\\\\\]^{|}~]+" ), 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_STRING, RegExpProxy( "^'(?:[^\\r\\n\\\\']|\\\\(?:'|[^\\r\\n']+))'" )],
[PR_LITERAL, RegExpProxy( "^'[a-zA-Z_$][\\w$]*(?!['$\\w])" )],
[PR_KEYWORD, RegExpProxy( "^(?:abstract|case|catch|class|def|do|else|extends|final|finally|for|forSome|if|implicit|import|lazy|match|new|object|override|package|private|protected|requires|return|sealed|super|throw|trait|try|type|val|var|while|with|yield)\\b" )],
[PR_LITERAL, RegExpProxy( "^(?:true|false|null|this)\\b" )],
[PR_LITERAL, RegExpProxy( "^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][0-9]*)(?:(?:\\.[0-9]+)?(?:E[+\\-]?[0-9]+)?F?|L?))|\\\\.[0-9]+(?:E[+\\-]?[0-9]+)?F?)", 'i' )],
// Treat upper camel case identifiers as types.
[PR_TYPE, RegExpProxy( "^[$_]*[A-Z][_$A-Z0-9]*[a-z][\\w$]*" )],
[PR_PLAIN, RegExpProxy( "^[$a-zA-Z_][\\w$]*" )],
[PR_COMMENT, RegExpProxy( "^\\/(?:\\/.*|\\*(?:\\/|\\**[^*/])*(?:\\*+\\/?)?)" )],
[PR_PUNCTUATION, RegExpProxy( "^(?:\\.+|\\/)" )]
]),
['scala']);