This is the mail archive of the gcc-help@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Re : gcc analyze tools

From: Ian Lance Taylor <iant at google dot com>
To: charfi asma <charfiasma at yahoo dot fr>
Cc: Andi Hellmund <andi at mail dot lxgcc dot net>, gcc-help at gcc dot gnu dot org
Date: Mon, 25 Jul 2011 17:35:53 -0700
Subject: Re: Re : gcc analyze tools
References: <be00236b-e3d6-4616-8310-b205c3a78325@mail> <1311598283.11178.YahooMailRC@web28505.mail.ukl.yahoo.com>

charfi asma <charfiasma@yahoo.fr> writes:

> However, have you any idea why gcc uses now hand written lexer and parsers ? 
> what's wrong with lexer/ parser generated from flex/ bison ?

The C and C++ languages are not LALR(1), and as such are not suitable
for parsing by bison.  The old bison parsers were hard to read, hard to
modify, and, at least for C++, not wholly correct.

Ian

Follow-Ups:
- Re: Re : gcc analyze tools
  - From: kevin diggs

References:
- Re: gcc analyze tools
  - From: Andi Hellmund
- Re : gcc analyze tools
  - From: charfi asma

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]