// Copyright (C) 2008 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 Common Lisp and related languages.
   *
   *
   * To use, include prettify.js and this file in your HTML page.
   * Then put your code in an HTML tag like
   *      <pre class="prettyprint lang-lisp">(my lisp code)</pre>
   * The lang-cl class identifies the language as common lisp.
   * This file supports the following language extensions:
   *     lang-cl - Common Lisp
   *     lang-el - Emacs Lisp
   *     lang-lisp - Lisp
   *     lang-scm - Scheme
   *     lang-lsp - FAT 8.3 filename version of lang-lisp.
   *
   *
   * I used http://www.devincook.com/goldparser/doc/meta-language/grammar-LISP.htm
   * as the basis, but added line comments that start with ; and changed the atom
   * production to disallow unquoted semicolons.
   *
   * "Name"    = 'LISP'
   * "Author"  = 'John McCarthy'
   * "Version" = 'Minimal'
   * "About"   = 'LISP is an abstract language that organizes ALL'
   *           | 'data around "lists".'
   *
   * "Start Symbol" = [s-Expression]
   *
   * {Atom Char}   = {Printable} - {Whitespace} - [()"\'']
   *
   * Atom = ( {Atom Char} | '\'{Printable} )+
   *
   * [s-Expression] ::= [Quote] Atom
   *                  | [Quote] '(' [Series] ')'
   *                  | [Quote] '(' [s-Expression] '.' [s-Expression] ')'
   *
   * [Series] ::= [s-Expression] [Series]
   *            |
   *
   * [Quote]  ::= ''      !Quote = do not evaluate
   *            |
   *
   *
   * I used <a href="http://gigamonkeys.com/book/">Practical Common Lisp</a> as
   * the basis for the reserved word list.
   *
   *
   * @author mikesamuel@gmail.com
   */
  
  PR['registerLangHandler'](
      PR['createSimpleLexer'](
          [
           ['opn',             /^\(+/, null, '('],
           ['clo',             /^\)+/, null, ')'],
           // A line comment that starts with ;
           [PR['PR_COMMENT'],     /^;[^\r
  ]*/, null, ';'],
           // Whitespace
           [PR['PR_PLAIN'],       /^[\t
  \r \xA0]+/, null, '\t
  \r \xA0'],
           // A double quoted, possibly multi-line, string.
           [PR['PR_STRING'],      /^\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)/, null, '"']
          ],
          [
           [PR['PR_KEYWORD'],     /^(?:block|c[ad]+r|catch|con[ds]|def(?:ine|un)|do|eq|eql|equal|equalp|eval-when|flet|format|go|if|labels|lambda|let|load-time-value|locally|macrolet|multiple-value-call|nil|progn|progv|quote|require|return-from|setq|symbol-macrolet|t|tagbody|the|throw|unwind)\b/, null],
           [PR['PR_LITERAL'],
            /^[+\-]?(?:[0#]x[0-9a-f]+|\d+\/\d+|(?:\.\d+|\d+(?:\.\d*)?)(?:[ed][+\-]?\d+)?)/i],
           // A single quote possibly followed by a word that optionally ends with
           // = ! or ?.
           [PR['PR_LITERAL'],
            /^\'(?:-*(?:\w|\\[\x21-\x7e])(?:[\w-]*|\\[\x21-\x7e])[=!?]?)?/],
           // A word that optionally ends with = ! or ?.
           [PR['PR_PLAIN'],
            /^-*(?:[a-z_]|\\[\x21-\x7e])(?:[\w-]*|\\[\x21-\x7e])[=!?]?/i],
           // A printable non-space non-special character
           [PR['PR_PUNCTUATION'], /^[^\w\t
  \r \xA0()\"\\\';]+/]
          ]),
      ['cl', 'el', 'lisp', 'lsp', 'scm', 'ss', 'rkt']);