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Mac Forum / Programming / CodeWarrior / February 2004Compiles for Mac OS X, but not Win32?
Hi, On CW 9.1 running on OS X Panther 10.3.2... The following snippet of code will compile with the Win32 compiler, but will fail on the PPC compiler... class Foo { public: Foo::Foo() { /* ... */ } // <-- declaration syntax error }; All C++ language settings are identical on the 2 targets. OK, it was my mistake because I cut and pasted the constructor to inline it, but I was surprised to see different results with the 2 compilers.  SignatureRegards, Steve. On 24/2/04 7:00 pm, in article BC614FC6.5B8D4%postmaster@127.0.0.1, "Steve" <postmaster@127.0.0.1> wrote: > Hi, > > On CW 9.1 running on OS X Panther 10.3.2... Oops, btw the compilers are all Version 3.2.1 build 392 18/11/03 10.34am Steve. >Hi, > [quoted text clipped - 13 lines] >OK, it was my mistake because I cut and pasted the constructor to inline it, >but I was surprised to see different results with the 2 compilers. Me too, My guess is that it is necessary in order to support MFC or something like that. I'll ask engineering. In any case the Mac is right, and the Windows compiler should have shown an error. Ron SignatureAnnouncing CodeWarrior Development Tools for Windows v9.2 http://www.metrowerks.com/MW/Develop/Desktop/Windows/Professional/Default.htm Ron Liechty - MWRon@metrowerks.com - <http://www.metrowerks.com> On 24/2/04 9:58 pm, in article mwron-4DF6B9.16582924022004@news.newsguy.com, > Me too, My guess is that it is necessary in order to support MFC or > something like that. I'll ask engineering. In any case the Mac is > right, and the Windows compiler should have shown an error. OK, would you like me to raise this 'problem' through the official channels anyway? > Ron Steve. >On 24/2/04 9:58 pm, in article mwron-4DF6B9.16582924022004@news.newsguy.com, > [quoted text clipped - 4 lines] >OK, would you like me to raise this 'problem' through the official channels >anyway? No... This is an MS extension that we support for compatibility. "#pragma cpp_extensions on" controls this and is enabled for Win32 compilers by default and is not controlled by ANSI strict. Ron SignatureAnnouncing CodeWarrior Development Tools for Windows v9.2 http://www.metrowerks.com/MW/Develop/Desktop/Windows/Professional/Default.htm Ron Liechty - MWRon@metrowerks.com - <http://www.metrowerks.com> On 25/2/04 2:06 pm, in article mwron-50609A.09062425022004@news.newsguy.com, >> On 24/2/04 9:58 pm, in article mwron-4DF6B9.16582924022004@news.newsguy.com, >> [quoted text clipped - 13 lines] > > Ron Thanks Ron. I saw Ben's post too. As we don't use MFC, I've turned cpp_extensions off in my preprocessor panel. Cheers, Steve. >>The following snippet of code will compile with the Win32 compiler, but will >>fail on the PPC compiler... [quoted text clipped - 13 lines] > something like that. I'll ask engineering. In any case the Mac is > right, and the Windows compiler should have shown an error. Yes, this is a C++ language extension that we added to the x86 compiler to get MFC to build, since MS had used the invalid syntax in a couple of their classes. The C++ standard explicitly disallows class-qualified names in the declaration of a class. SignatureBen Combee <bcombee@metrowerks.com> CodeWarrior for Palm OS technical lead Palm OS programming help at http://www.palmoswerks.com/ |
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