62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
// Copyright (C) 2013 Nikhil Dabas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview
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* Registers a language handler for LLVM.
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* From https://gist.github.com/ndabas/2850418
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*
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*
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* To use, include prettify.js and this file in your HTML page.
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* Then put your code in an HTML tag like
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* <pre class="prettyprint lang-llvm">(my LLVM code)</pre>
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*
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*
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* The regular expressions were adapted from:
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* https://github.com/hansstimer/llvm.tmbundle/blob/76fedd8f50fd6108b1780c51d79fbe3223de5f34/Syntaxes/LLVM.tmLanguage
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*
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* http://llvm.org/docs/LangRef.html#constants describes the language grammar.
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*
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* @author Nikhil Dabas
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*/
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PR['registerLangHandler'](
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PR['createSimpleLexer'](
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[
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// Whitespace
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[PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
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// A double quoted, possibly multi-line, string.
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[PR['PR_STRING'], /^!?\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)/, null, '"'],
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// comment.llvm
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[PR['PR_COMMENT'], /^;[^\r\n]*/, null, ';']
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],
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[
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// variable.llvm
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[PR['PR_PLAIN'], /^[%@!](?:[-a-zA-Z$._][-a-zA-Z$._0-9]*|\d+)/],
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// According to http://llvm.org/docs/LangRef.html#well-formedness
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// These reserved words cannot conflict with variable names, because none of them start with a prefix character ('%' or '@').
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[PR['PR_KEYWORD'], /^[A-Za-z_][0-9A-Za-z_]*/, null],
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// constant.numeric.float.llvm
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[PR['PR_LITERAL'], /^\d+\.\d+/],
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// constant.numeric.integer.llvm
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[PR['PR_LITERAL'], /^(?:\d+|0[xX][a-fA-F0-9]+)/],
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// punctuation
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[PR['PR_PUNCTUATION'], /^[()\[\]{},=*<>:]|\.\.\.$/]
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]),
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['llvm', 'll']);
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