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assets/plugins/google-code-prettify/lang-llvm.js 2.22 KB
cf76164e6   Ting Chan   20190709
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  // Copyright (C) 2013 Nikhil Dabas
  //
  // 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 LLVM.
   * From https://gist.github.com/ndabas/2850418
   *
   *
   * 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-llvm">(my LLVM code)</pre>
   *
   *
   * The regular expressions were adapted from:
   * https://github.com/hansstimer/llvm.tmbundle/blob/76fedd8f50fd6108b1780c51d79fbe3223de5f34/Syntaxes/LLVM.tmLanguage
   * 
   * http://llvm.org/docs/LangRef.html#constants describes the language grammar.
   * 
   * @author Nikhil Dabas
   */
  PR['registerLangHandler'](
      PR['createSimpleLexer'](
          [
           // Whitespace
           [PR['PR_PLAIN'],       /^[\t
  \r \xA0]+/, null, '\t
  \r \xA0'],
           // A double quoted, possibly multi-line, string.
           [PR['PR_STRING'],      /^!?\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)/, null, '"'],
           // comment.llvm
           [PR['PR_COMMENT'],     /^;[^\r
  ]*/, null, ';']
          ],
          [
           // variable.llvm
           [PR['PR_PLAIN'],       /^[%@!](?:[-a-zA-Z$._][-a-zA-Z$._0-9]*|\d+)/],
  
           // According to http://llvm.org/docs/LangRef.html#well-formedness
           // These reserved words cannot conflict with variable names, because none of them start with a prefix character ('%' or '@').
           [PR['PR_KEYWORD'],     /^[A-Za-z_][0-9A-Za-z_]*/, null],
  
           // constant.numeric.float.llvm
           [PR['PR_LITERAL'],     /^\d+\.\d+/],
           
           // constant.numeric.integer.llvm
           [PR['PR_LITERAL'],     /^(?:\d+|0[xX][a-fA-F0-9]+)/],
  
           // punctuation
           [PR['PR_PUNCTUATION'], /^[()\[\]{},=*<>:]|\.\.\.$/]
          ]),
      ['llvm', 'll']);