I'm trying to write a rule that will remove __FUNCTION__ from
printf-like statements. That is:
NV_PRINTF(x, "%s: ...", __FUNCTION__, ...)
into
NV_PRINTF(x, "...", ...)
I have this, which is based on existing Python code that works, but I
can't even get it to compile:
@script:python s@
c << r.c;
c2;
@@
import re
print c, c.find('%s')
coccinelle.c2 = c
// Get rid of __FUNCTION__ at the beginning of the string
@@
expression list[r.n] r.es;
constant char[] r.c;
identifier s.c2;
@@
NV_PRINTF(es,
-c, __FUNCTION__
+c2
,...);
This produces:
23 24
Fatal error: exception Failure("scriptmeta: parse error: \n = File
\"/home/ttabi/nv_printf2.cocci\", line 2, column 5, charpos = 23\n
around = 'r', whole content = c << r.c;\n")
Besides whatever is wrong with the script, I'm confused as to how
spatch knows to invoke the Python script in the first place. What is
it about my unnamed rule that tells spatch to invoke the script?
Also, why is the first parameter (es) an expression list? Can't I
just use "expression x;" instead?
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