Defining and Undefining "defined"

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Defining and Undefining "defined"

Forum: Open Discussion

Creator: Tom Hunt

Created: 2008-02-12

Updated: 2013-05-28

Tom Hunt - 2008-02-12

Using v2.7 Pre-release:

I believe the following lines should both give errors. However only the #undef generates one. Its not a problem for me, just thought I would mention for completeness.

#define defined
#undef defined

thanks,

Tom

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- Kiyoshi Matsui - 2008-02-13
  
  On the contrary, mcpp flags an error at the line:
  
  #define defined
  
  and stays silent by default at:
  
  #undef defined
  
  , because it does not permit 'defined' macro to be defined, so the macro
  to be undefined never exists.
  
  These behaviors have not been changed from the beginning of mcpp, and
  are documented in mcpp-manual.html#5.4 and #5.4.7. I don't think these
  behaviors need any change.
  
  Does anyone have any opinions on this issue?
  
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