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Re: patch: <bits/localefwd.h> with -fno-exceptions
- To: ross dot s at ihug dot co dot nz
- Subject: Re: patch: <bits/localefwd.h> with -fno-exceptions
- From: Mark Mitchell <mark at codesourcery dot com>
- Date: Sat, 20 Jan 2001 14:49:16 -0800
- Cc: libstdc++ at gcc dot gnu dot org
- Organization: CodeSourcery, LLC
- References: <3A68BE94.866DA7DC@ihug.co.nz>
>>>>> "Ross" == Ross Smith <ross.s@ihug.co.nz> writes:
Ross> Mark Mitchell wrote:
>> There are other approaches. For example,
>>
>> #if NO_EXCEPTIONS #define try if (true) #define catch(x) if
>> (false) #endif
>>
>> This works because try and catch blocks are always enclosed in
>> braces.
Ross> Why bother with the "if (true)"? If you simply "#define try"
Ross> (i.e. try
-> empty string), the try block becomes a plain brace-enclosed
-> block,
Ross> which should DTRT.
Sure -- I was just matching the transformation Ben suggested the
compiler do.
--
Mark Mitchell mark@codesourcery.com
CodeSourcery, LLC http://www.codesourcery.com