gcc Pre-Processing Information

[ankit7777]

Hi Jonathan , The problem is that i do not have the list of macros with me ,
so using grep is not going to work . .  and also I need the line number
where it is resolved in source code(Even if i  try to grep for known macros
, it will not be possible because they get resolved).


Jonathan Wakely-4 wrote:
> 
> On 6 May 2011 12:21, ankit7777 <baid4758@gmail.com> wrote:
>>
>> Problem Statement : Given a C file which has several macros defined (eg.
>> #define MACRO 10) . I need to know what all macros are defined and their
>> usage point(eg. line number) in the code.
>>
>> Need to know this information during or after gcc pre-processing phase.
>>
>> Possible solution may dump this macro information in some file.
>>
>> Is there any way that gcc can dump this information and if yes how?
> 
> 
> gcc -E -dD source.c | grep MACRO
> 
> 

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