// 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\n\r \xA0]+/, null, '\t\n\r \xA0'],
// A double quoted, possibly multi-line, string.
[PR['PR_STRING'], /^!?\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)/, null, '"'],
// comment.llvm
[PR['PR_COMMENT'], /^;[^\r\n]*/, null, ';']
],
[
// variable.llvm
[PR['PR_PLAIN'], /^[%@!](?:[-a-zA-Z$._][-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']);
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