Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes:
> On Wed, 2009-01-07 at 19:48 +0100, mosfet wrote:
>
>> I would like to know if sparse would be able to parse GCC source file to
>> add a comment in each function it encounters ?
>> For instance let's say I want to trace every function in c-parser.c :
>>
>>
>> static struct c_typespec
>> c_parser_enum_specifier (c_parser *parser)
>> {
>> ...
>>
>> }
>>
>> in a first step I would like to modify source code like this :
>>
>> static struct c_typespec
>> c_parser_enum_specifier (c_parser *parser)
>> {
>> fprintf(stderr, "c-parser.c: c_parser_enum_specifier()\n");
>> ...
>>
>> }
>>
>> is it possible with sparse ?
>
> Not sure, but spatch might be able to:
>
> http://www.emn.fr/x-info/coccinelle/
Yes it can. Just write this semantic patch:
@@
identifier f;
@@
f(...)
{
+ fprintf(stderr, "%s: %s()\n", __FILE__, __FUNCTION__);
...
}
into a file such as instrument_tracing.cocci and then run spatch with
$ ./spatch -c instrument_tracing.cocci c-parser.c -o c-parser-instrumented.c
>
> johannes
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