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Paper Abstract and Keywords
Presentation 2017-07-20 16:15
A compiler that translates to Malbolge from a C-language subset containing recursive calls
Genki Sakanashi, Shohei Kobe, Masahiko Sakai, Naoki Nishida, Kenji Hashimoto (Nagoya Univ.) SS2017-18 KBSE2017-18
Abstract (in Japanese) (See Japanese page) 
(in English) Malbolge is an esoteric programming language, which is promising to protect intellectual property rights due to its difficulty of analysis. It is, however, very difficult to program because of its peculiar instructions. Tackling this problem, pseudo-instruction sequences was developed as an intermediate language for generating Malbolge programs. Nevertheless it is still difficult to program compared with ordinary languages like C. In this article, we present how to implement a compiler that translates to Malbolge from a C-language subset containing the integer type, the Boolean type, basic control structures such as while statement, and recursive calls. In the implementation, we firstly added array syntax and function syntax to pseudo-instruction sequences, and strengthen existing tools for the extention to conform with it. We next propose a translation method from C-language subset to pseudo-instruction sequences.
Keyword (in Japanese) (See Japanese page) 
(in English) obfuscation / esoteric programming language / Malbolge / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 136, SS2017-18, pp. 145-150, July 2017.
Paper # SS2017-18 
Date of Issue 2017-07-12 (SS, KBSE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SS KBSE IPSJ-SE  
Conference Date 2017-07-19 - 2017-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SS 
Conference Code 2017-07-SS-KBSE-SE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A compiler that translates to Malbolge from a C-language subset containing recursive calls 
Sub Title (in English)  
Keyword(1) obfuscation  
Keyword(2) esoteric programming language  
Keyword(3) Malbolge  
1st Author's Name Genki Sakanashi  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Shohei Kobe  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Masahiko Sakai  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Naoki Nishida  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Kenji Hashimoto  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2017-07-20 16:15:00 
Presentation Time 25 minutes 
Registration for SS 
Paper # SS2017-18, KBSE2017-18 
Volume (vol) vol.117 
Number (no) no.136(SS), no.137(KBSE) 
Page pp.145-150 
Date of Issue 2017-07-12 (SS, KBSE) 

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