[PATCH 1/2] scripts: coccinelle: only suggest true/false in files that already use them

From: Julia Lawall
Date: Wed Dec 12 2018 - 07:32:30 EST


Some code may overall use 0 and 1, so don't introduce occasional
uses of true and false in these cases.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
---
scripts/coccinelle/misc/boolinit.cocci | 31 +++++++++++++++++++++----------
1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/scripts/coccinelle/misc/boolinit.cocci b/scripts/coccinelle/misc/boolinit.cocci
index b9abed4..1b44feb 100644
--- a/scripts/coccinelle/misc/boolinit.cocci
+++ b/scripts/coccinelle/misc/boolinit.cocci
@@ -13,10 +13,17 @@ virtual context
virtual org
virtual report

+@boolok@
+symbol true,false;
+@@
+(
+true
+|
+false
+)
+
@depends on patch@
bool t;
-symbol true;
-symbol false;
@@

(
@@ -63,7 +70,7 @@ bool t;
+ t
)

-@depends on patch@
+@depends on patch && boolok@
bool b;
@@
(
@@ -116,19 +123,23 @@ position p;
* t@p != 0
)

-@r3 depends on !patch@
+@r3 depends on !patch && boolok@
bool b;
-position p1,p2;
-constant c;
+position p1;
@@
(
*b@p1 = 0
|
*b@p1 = 1
-|
-*b@p2 = c
)

+@r4 depends on !patch@
+bool b;
+position p2;
+constant c != {0,1};
+@@
+*b@p2 = c
+
@script:python depends on org@
p << r1.p;
@@
@@ -148,7 +159,7 @@ p1 << r3.p1;
cocci.print_main("WARNING: Assignment of bool to 0/1",p1)

@script:python depends on org@
-p2 << r3.p2;
+p2 << r4.p2;
@@

cocci.print_main("ERROR: Assignment of bool to non-0/1 constant",p2)
@@ -172,7 +183,7 @@ p1 << r3.p1;
coccilib.report.print_report(p1[0],"WARNING: Assignment of bool to 0/1")

@script:python depends on report@
-p2 << r3.p2;
+p2 << r4.p2;
@@

coccilib.report.print_report(p2[0],"ERROR: Assignment of bool to non-0/1 constant")
--
1.9.1