[B! yacc] uokadaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

uokada id:uokada

yaccã«é–¢ã™ã‚‹uokadaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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Cã‚³ãƒ³ãƒ‘ã‚¤ãƒ©è¨è¨ˆ(yaccãƒ»lexã®å¿œç”¨)
è¿‘å¹´ã€Linuxã‚„cygwinã®æ™®åŠã«ã‚ˆã£ã¦ã ã‚Œã§ã‚‚yacc/lexã‚’ä½¿ã£ã¦æ–°ã—ã„è¨€èªžã‚’ä½œæˆã—ã€ãã®å‡¦ç†ç³»ã‚’ä½œæˆã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã‚ˆã†ã«ãªã£ã¦ããŸã€‚ Gãƒ»ãƒ•ãƒªãƒ¼ãƒ‰ãƒžãƒ³ã®ã€ŒCã‚³ãƒ³ãƒ‘ã‚¤ãƒ©è¨è¨ˆã€ã¯ã€yacc/lexã®ä½¿ã„æ–¹ã‚’ä¸å¯§ã«èª¬æ˜Žã—ãŸåè‘—ã§ã‚ã‚‹ãŒã€è‹±èªžã®åŽŸæœ¬ã‚‚æ—¥æœ¬èªžæœ¬ã‚‚çµ¶ç‰ˆã§ã€amazonã®ã‚ªãƒ¼ã‚¯ã‚·ãƒ§ãƒ³ã§ã‚‚è²·ãˆãªã„ãŸã‚æ—¥æœ¬èªžè¨³æœ¬ã‚’å€Ÿã‚Šã€OCRã‹ã‚‰å¾©åˆ»ã™ã‚‹ã“ã¨ã«ã—ãŸã€‚ Linuxã€cygwinã§ã¯bison, flexãŒä½¿ã‚ã‚Œã¦ã„ã‚‹ã®ã§è‹¥å¹²æœ¬æ›¸ã¨å†…å®¹ãŒç•°ãªã‚‹éƒ¨åˆ†ãŒã‚ã‚‹ãŒã€ãã‚Œã‚‚åˆ¥æž ã§æ•´ç†ã—ã¦ã¿ãŸã„ã¨è€ƒãˆã¦ã„ã‚‹ã€‚ 4ç« ä»¥é™ã¯ã€ç«¹æœ¬ã€€æµ©ã®ãƒšãƒ¼ã‚¸(Wiki)ã«è¿½åŠ ä¸2008/05/15 ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã®ç™ºé”ã¨ã¨ã‚‚ã«ã€ã“ã‚Œã¾ã§ã«COBOL,FORTRANã€Pasca1,Lispã€Cç‰ã€æ•°å¤šãã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿è¨€èªžãŒä½œã‚‰ã‚Œã¦ãã¾ã—ãŸã€‚ä¸€èˆ¬ã«ã¯,æ–°ãŸãªã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿è¨€èªžã€ã‚ã‚‹ã„ã¯ãã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚’ä½œã‚‹ãªã©ã¨ã„ã†ã“ã¨ã¯
uokada 2019/06/15
yacc

lex

compiler
ãƒªãƒ³ã‚¯
ãƒ•ã‚£ãƒƒã‚¯ã‚¹ãƒã‚¤ãƒ³ãƒˆæŠ€è¡“è€…ãƒ–ãƒã‚°: ANTLR ã¨ Python ã§æ§‹æ–‡è§£æžã‚’è©¦ã—ã¦ã¿ã‚‹
ã¯ã˜ã‚ã«Kompira ã§ã¯ã€ã‚¸ãƒ§ãƒ–ãƒ•ãƒãƒ¼è¨€èªžã®æ§‹æ–‡è§£æžã«ã€PLY (Python Lex-Yacc) [1] ã‚’ä½¿ç”¨ã—ã¦ã„ã¾ã™ã€‚PLY ã¯ Yacc/Lex ã¨ã„ã†å®šç•ªã®æ§‹æ–‡å—å¥è§£æžãƒ„ãƒ¼ãƒ«ã® Python ã«ã‚ˆã‚‹å®Ÿè£…ã§ã™ã€‚Python ã‹ã‚‰åˆ©ç”¨ã§ãã‚‹ãƒ‘ãƒ¼ã‚µã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ã¯ [2] ã®ã‚ˆã†ã«æ•°å¤šãã‚ã‚‹ã®ã§ã™ãŒã€ç†è€…è‡ªèº«ãŒä½¿ã„ãªã‚ŒãŸã€€Yacc/Lex ãƒ™ãƒ¼ã‚¹ã¨ã„ã†ã“ã¨ã¨ã€Python ãƒã‚¤ãƒ†ã‚£ãƒ–ãªå®Ÿè£…ã¨ã„ã†ã“ã¨ã§ã€PLY ã‚’é¸ã‚“ã§ã¾ã—ãŸã€‚ ä»Šå›žã¯å‰ã‹ã‚‰æ°—ã«ãªã£ã¦ã„ãŸãƒ‘ãƒ¼ã‚µã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ã§ã‚ã‚‹ ANTLR [3] ã‚’ä½¿ã£ã¦ã€ç°¡å˜ãªå¼è¨€èªžã®æ§‹æ–‡è§£æžã‚’å®Ÿç¾ã—ã¦ã¿ã‚ˆã†ã‹ã¨æ€ã„ã¾ã™ã€‚ANTLR ã¯ã€LL(*) [4] ã¨ã„ã†å¼·åŠ›ãªãƒˆãƒƒãƒ—ãƒ€ã‚¦ãƒ³è§£æžæ‰‹æ³•ã«ã‚‚ã¨ã¥ã„ã¦ãŠã‚Šã€ã‚µãƒ³ãƒ•ãƒ©ãƒ³ã‚·ã‚¹ã‚³å¤§å¦ã® Terence Parr æ•™æŽˆãŒä¸å¿ƒã¨ãªã£ã¦é–‹ç™ºã—ã¦ã„ã¾ã™ã€‚ã¡ãªã¿ã« Terence Parr æ•™æŽˆã¯ã€Œè¨€èªžå®Ÿè£…ãƒ‘ã‚¿
uokada 2017/10/09
python

ANTLR

yacc

lex
ãƒªãƒ³ã‚¯
yacc/lexâ€•ãƒ—ãƒã‚°ãƒ©ãƒ ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿on UNIX
T-press.com Site Name Reserved Contact via WhatsApp Ã— 360Degrees.com343,500 USDAccountability.com365,600 USDGoWithTheFlow.com173,800 USDIndex.org531,800 USDJerk.com624,100 USDOhMyGod.com361,900 USDRoadhouse.com417,200 USDShakeItUp.com185,400 USDSoundCheck.com342,200 USDThinkOutsideTheBox.com186,200 USDToday.org538,600 USD
uokada 2016/09/26
lex

yacc
ãƒªãƒ³ã‚¯
PEG æ–‡æ³•ã«ã¤ã„ã¦
uokada 2016/09/26
peg

yacc

BNF
ãƒªãƒ³ã‚¯
è‡ªåˆ†ã§ãƒ—ãƒã‚°ãƒ©ãƒ è¨€èªžã‚’æ›¸ã„ã¦ã¿ãŸã„äººã¯ã€ŒCreate Your Own Programming Languageã€ãŒãŠã™ã™ã‚ - ãŠã‚“ãŒãˆã—ã® blog
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uokada 2016/08/04
programming

yacc

lex
ãƒªãƒ³ã‚¯
Yacc is dead | Lambda the Ultimate
In Yacc is dead (2010) Matthew Might and David Darais of the University of Utah, Salt Lake City... present two novel approaches to parsing context-free languages. The first approach is based on an extension of BrzozowskiÃ¢â‚¬â„¢s derivative from regular expressions to context-free grammars. The second approach is based on a generalization of the derivative to parser combinators. The payoff of these tec
uokada 2016/04/14
yacc
ãƒªãƒ³ã‚¯
PLY (Python Lex-Yacc)
Welcome to the PLY homepage. PLY is an implementation of lex and yacc parsing tools for Python. If you don't have the slightest idea what that means, you're probably in the wrong place. Otherwise, keep reading. In a nutshell, PLY is nothing more than a straightforward lex/yacc implementation. Here is a list of its essential features: It's implemented entirely in Python. It uses LR-parsing which is
uokada 2012/06/22
python

library

lex

yacc
ãƒªãƒ³ã‚¯
1