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 Forums >>  Target Specific - General  >>  reversing yacc/lex grammars?

Topic created on: May 29, 2008 06:30 CDT by itsme .

are there any tools to reconstruct a grammar, given the yacc+lex generated parser tables?

willem

  morel     May 29, 2008 16:33.01 CDT
hehe no, i've been looking for such thing for some time and didn't find anything. what are you working on? oreans (themida/cv) engine uses yacc/lex btw :p

  igorsk     May 29, 2008 18:29.31 CDT
This article is a good start.
http://www.cs.uic.edu/~spopuri/cparser.html

  itsme     May 30, 2008 09:32.35 CDT
i ran into a yacc generated parser several times, most recently, while looking at the firmware for canon ixus camera's.
it has an embedded scripting language.

another one: the qualcomm gsm stack uses yacc to parse at commands.

........

igorsk: interesting article.

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