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| Infinite look ahead required by C++? ng2010@att.invalid (ng2010) (2010-02-05) |
| Re: Infinite look ahead required by C++? cfc@shell01.TheWorld.com (Chris F Clark) (2010-02-06) |
| Re: Infinite look ahead required by C++? idbaxter@semdesigns.com (Ira Baxter) (2010-02-06) |
| Re: Infinite look ahead required by C++? thurston@complang.org (Adrian Thurston) (2010-02-08) |
| Re: Infinite look ahead required by C++? sh006d3592@blueyonder.co.uk (Stephen Horne) (2010-02-09) |
| Re: Infinite look ahead required by C++? gah@ugcs.caltech.edu (glen herrmannsfeldt) (2010-02-10) |
| Re: Infinite look ahead required by C++? sh006d3592@blueyonder.co.uk (Stephen Horne) (2010-02-10) |
| Re: Infinite look ahead required by C++? cfc@shell01.TheWorld.com (Chris F Clark) (2010-02-10) |
| Re: Infinite look ahead required by C++? martin@gkc.org.uk (Martin Ward) (2010-02-11) |
| Re: Infinite look ahead required by C++? idbaxter@semdesigns.com (Ira Baxter) (2010-02-13) |
| [7 later articles] |
| From: | Adrian Thurston <thurston@complang.org> |
| Newsgroups: | comp.compilers |
| Date: | Mon, 08 Feb 2010 20:51:38 -0500 |
| Organization: | Compilers Central |
| References: | 10-02-024 |
| Keywords: | C++, parse |
| Posted-Date: | 10 Feb 2010 11:03:52 EST |
Hi, I covered some of the difficulties in this paper:
http://www.complang.org/thurston/thurston_CASCON_06_btlr.pdf
-Adrian
ng2010 wrote:
> What elements of C++ make it so hard to parse? Is it a weakness of
> compiler designs rather than a weakness of the language design? I've read
> somewhere that the language requires potentially infinite look ahead.
> Why? And how do compilers handle it?
> [It's ambiguous syntax. Others can doubtless fill in the details. -John]
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