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* [Cocci] Determination for the number of named function parameters (with SmPL)
@ 2014-12-01 11:12 ` SF Markus Elfring
  0 siblings, 0 replies; 18+ messages in thread
From: SF Markus Elfring @ 2014-12-01 11:12 UTC (permalink / raw)
  To: cocci

Hello,

Would you like to know how many named function parameters are used in the source files?

How do you think about to try the following semantic query approach out a bit more?

@initialize:python@
@@
import sys
import sqlite3 as SQLite
connection = SQLite.connect(":memory:")
c = connection.cursor()
c.execute("""create table numbers (number integer)""")
delimiter = "|"

def store_number(count):
    """Add an integer to an internal list."""
    c.execute("""insert into numbers (number) values (?)""",
              (count, )
             )

@counting_parameters@
identifier work;
parameter list[number] pl;
type return_type;
@@
 return_type work(pl)
 {
  ...
 }

@script:python collection@
count << counting_parameters.number;
@@
store_number(count)

@finalize:python@
@@
c.execute("""select count(*) nr from numbers""")
result = c.fetchone()

if result[0] > 0:
   c.execute("""create index x on numbers (number)""")
   c.execute("select number, count(*) nr from numbers group by number")
   sys.stdout.write(delimiter.join( ("number", "counter") ))
   sys.stdout.write("\r\n")
   for result in c:
      sys.stdout.write(delimiter.join((str(result[0]),
                                       str(result[1])
                                      )))
      sys.stdout.write("\r\n")
else:
   sys.stderr.write("No result for this analysis!\n")

connection.close()



elfring at Sonne:~/Projekte/Coccinelle/Probe> XX=$(date) && spatch.opt -timeout 12 -sp-file list_parameter_numbers1.cocci -dir /usr/src/linux-stable > list_parameter_numbers1.txt 2> list_parameter_numbers1-errors.txt ; YY=$(date) && echo "$XX * $YY"
...
elfring at Sonne:~/Projekte/Coccinelle/Probe> cat list_parameter_numbers1.txt
number|counter
0|29
1|18261
2|15374
3|12237
4|8159
5|4339
6|2701
7|1183
8|518
9|260
10|146
11|83
12|42
13|21
14|9
15|7
16|2
17|4
18|1
21|1
22|1


Do you find such an analysis result from the source files for Linux 3.17.4
interesting for further considerations?

Regards,
Markus

^ permalink raw reply	[flat|nested] 18+ messages in thread

end of thread, other threads:[~2014-12-16 19:30 UTC | newest]

Thread overview: 18+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-12-01 11:12 [Cocci] Determination for the number of named function parameters (with SmPL) SF Markus Elfring
2014-12-01 11:12 ` SF Markus Elfring
2014-12-01 11:12 ` SF Markus Elfring
2014-12-01 11:23 ` [Cocci] " walter harms
2014-12-01 11:23   ` walter harms
2014-12-01 11:23   ` walter harms
2014-12-02 16:30 ` [Cocci] " Mark D Rustad
2014-12-02 16:30   ` Mark D Rustad
2014-12-02 16:30   ` Mark D Rustad
2014-12-02 16:48   ` [Cocci] " Julia Lawall
2014-12-02 16:48     ` Julia Lawall
2014-12-02 16:48     ` Julia Lawall
2014-12-03 10:30   ` [Cocci] " SF Markus Elfring
2014-12-03 10:30     ` SF Markus Elfring
2014-12-03 10:30     ` SF Markus Elfring
2014-12-16 19:30 ` [Cocci] " SF Markus Elfring
2014-12-16 19:30   ` SF Markus Elfring
2014-12-16 19:30   ` SF Markus Elfring

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