Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.004 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; '(at': 0.04; 'source,': 0.04; 'syntax': 0.04; 'tree': 0.05; 'subject:Python': 0.06; 'topics,': 0.09; 'cc:addr:python-list': 0.11; 'language,': 0.12; 'cc:name:python list': 0.16; 'lexer': 0.16; 'or)': 0.16; '(not': 0.18; 'trying': 0.19; 'cc:addr:python.org': 0.22; 'compiled': 0.26; 'least': 0.26; 'header:In-Reply-To:1': 0.27; 'cc:2**2': 0.30; 'specified': 0.30; 'message-id:@mail.gmail.com': 0.30; 'gcc': 0.31; 'subject:end': 0.31; "we're": 0.32; 'not.': 0.33; 'could': 0.34; 'received:google.com': 0.35; 'clear': 0.37; 'skip:* 10': 0.61; 'discuss': 0.62; 'such': 0.63; 'exclusive': 0.81; 'boom.': 0.84; 'inclusive': 0.84; 'washington': 0.93 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Zr/WgTOM8OZHrXeWlk7GeofPZn4Sga7Sk6aNnuRD9FM=; b=PsRtwHksJ2nz+5C1Acn+MEcD09JjbwiktHhqvD0Tcim0B2tZIoWA30W5JKzKVHULSc r5r/6yvZfVq/5MOKNPE3EiUniStCRPhzv/9doWC1Qdu87TEpUgsLv3NEzW6X27R8HOf4 XONZ70a/lk8uoFVMoFJJpKjc48Ft8DpgsQE5IexuIckBagcIsRFlmiBM6UbTofzRaRPE VLqevAnMqJeBF7lubKtW0K9mrcvyAcy/jaikbVmGeExc7Bc1PlV6F2KEaDzefgNZ1SjG vpw+X/d71r8nip23IDx7thSYVjYsvKbdyMuiPDT4bXVxU+YBZGGTKwb9EIK5X4hoeWtr +1pQ== MIME-Version: 1.0 X-Received: by 10.180.83.40 with SMTP id n8mr18636180wiy.0.1382464233835; Tue, 22 Oct 2013 10:50:33 -0700 (PDT) In-Reply-To: <52669DC3.5010601@nedbatchelder.com> References: <4012031f-5334-4be8-a673-e0d8c8917fb2@googlegroups.com> <5a4e0ec9-c977-4a86-83b0-9f4c55a82e37@googlegroups.com> <54f8eb09-7a2e-4306-86f2-7ae118fa8055@googlegroups.com> <52669DC3.5010601@nedbatchelder.com> Date: Tue, 22 Oct 2013 10:50:33 -0700 Subject: Re: Python Front-end to GCC From: Mark Janssen To: Ned Batchelder Content-Type: text/plain; charset=ISO-8859-1 Cc: Python List , Dave Angel , Steven D'Aprano X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1382464240 news.xs4all.nl 15871 [2001:888:2000:d::a6]:48372 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:57285 >> So which of you is confused? I ask that in the inclusive (not >> exclusive OR) sense.... ;^) <-- face says "both". > > Could you please be less snarky? We're trying to communicate here, and it > is not at all clear yet who is confused and who is not. If you are > interested in discussing technical topics, then discuss them. Okay. The purpose of BNF (at least as I envision it) is to produce/specify a *context-free* "grammar". A lexer parses the tokens specified in the BNF into an Abstract Syntax Tree. If one can produce such a tree for any given source, the language, in theory, can be compiled by GCC into an executable. Boom. -- MarkJ Tacoma, Washington