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| author | Andrew F. Davis <afd@ti.com> | 2016-10-17 18:52:24 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.com> | 2016-12-11 12:07:00 +0100 |
| commit | 75238b9e6aadca6d9255d4b385e026385e78bb15 (patch) | |
| tree | b70aba337eaa03d0c0258280c8e5ce37637cb06a /scripts/coccinelle | |
| parent | Linux 4.9-rc1 (diff) | |
| download | linux-75238b9e6aadca6d9255d4b385e026385e78bb15.tar.xz linux-75238b9e6aadca6d9255d4b385e026385e78bb15.zip | |
Coccinelle: Add misc/boolconv.cocci
Add a script to check for unneeded conversions to bool.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'scripts/coccinelle')
| -rw-r--r-- | scripts/coccinelle/misc/boolconv.cocci | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/scripts/coccinelle/misc/boolconv.cocci b/scripts/coccinelle/misc/boolconv.cocci new file mode 100644 index 000000000000..33c464d6bc71 --- /dev/null +++ b/scripts/coccinelle/misc/boolconv.cocci @@ -0,0 +1,90 @@ +/// Remove unneeded conversion to bool +/// +//# Relational and logical operators evaluate to bool, +//# explicit conversion is overly verbose and unneeded. +// +// Copyright: (C) 2016 Andrew F. Davis <afd@ti.com> GPLv2. + +virtual patch +virtual context +virtual org +virtual report + +//---------------------------------------------------------- +// For patch mode +//---------------------------------------------------------- + +@depends on patch@ +expression A, B; +symbol true, false; +@@ + +( + A == B +| + A != B +| + A > B +| + A < B +| + A >= B +| + A <= B +| + A && B +| + A || B +) +- ? true : false + +//---------------------------------------------------------- +// For context mode +//---------------------------------------------------------- + +@r depends on !patch@ +expression A, B; +symbol true, false; +position p; +@@ + +( + A == B +| + A != B +| + A > B +| + A < B +| + A >= B +| + A <= B +| + A && B +| + A || B +) +* ? true : false@p + +//---------------------------------------------------------- +// For org mode +//---------------------------------------------------------- + +@script:python depends on r&&org@ +p << r.p; +@@ + +msg = "WARNING: conversion to bool not needed here" +coccilib.org.print_todo(p[0], msg) + +//---------------------------------------------------------- +// For report mode +//---------------------------------------------------------- + +@script:python depends on r&&report@ +p << r.p; +@@ + +msg = "WARNING: conversion to bool not needed here" +coccilib.report.print_report(p[0], msg) |