Re: Writing a compiler compiler

haberg@math.su.se (Hans Aberg)
17 Apr 2006 10:49:23 -0400

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From: haberg@math.su.se (Hans Aberg)
Newsgroups: comp.compilers
Date: 17 Apr 2006 10:49:23 -0400
Organization: Mathematics
References: 06-04-105
Keywords: parse, C++
Posted-Date: 17 Apr 2006 10:49:23 EDT

  John Levine wrote:


> As to why an LR parser can't parse Python or C++, LR parsers only
> handle a subset of BNF. In particular they can't handle the
> ambiguity of C++ declarations.


There appears to be techniques around this for C++, getting even down to
LALR(1):
    http://www.parashift.com/c++-faq-lite/compiler-dependencies.html#faq-38.11


--
    Hans Aberg


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