Coccinelle: Find doubled arguments to boolean or bit operators. (97c1cf8f) · Commits · e / devices / android_kernel_fairphone_FP3

scripts/coccinelle/tests/doublebitand.cocci

0 → 100644

+54 −0

Original line number	Diff line number	Diff line
		/// Find bit operations that include the same argument more than once
		//# One source of false positives is when the argument performs a side
		//# effect. Another source of false positives is when a neutral value
		//# such as 0 for \| is used to indicate no information, to maintain the
		//# same structure as other similar expressions
		///
		// Confidence: Moderate
		// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
		// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
		// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
		// URL: http://coccinelle.lip6.fr/
		// Comments:
		// Options: -no_includes -include_headers

		virtual context
		virtual org
		virtual report

		@r expression@
		expression E;
		position p;
		@@

		(
		* E@p
		& ... & E
		\|
		* E@p
		\| ... \| E
		\|
		* E@p
		& ... & !E
		\|
		* E@p
		\| ... \| !E
		\|
		* !E@p
		& ... & E
		\|
		* !E@p
		\| ... \| E
		)

		@script:python depends on org@
		p << r.p;
		@@

		cocci.print_main("duplicated argument to & or \|",p)

		@script:python depends on report@
		p << r.p;
		@@

		coccilib.report.print_report(p[0],"duplicated argument to & or \|")

0 → 100644

+40 −0

Original line number	Diff line number	Diff line
		/// Find &&/\|\| operations that include the same argument more than once
		//# A common source of false positives is when the argument performs a side
		//# effect.
		///
		// Confidence: Moderate
		// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
		// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
		// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
		// URL: http://coccinelle.lip6.fr/
		// Comments:
		// Options: -no_includes -include_headers

		virtual context
		virtual org
		virtual report

		@r expression@
		expression E;
		position p;
		@@

		(
		* E@p
		\|\| ... \|\| E
		\|
		* E@p
		&& ... && E
		)

		@script:python depends on org@
		p << r.p;
		@@

		cocci.print_main("duplicated argument to && or \|\|",p)

		@script:python depends on report@
		p << r.p;
		@@

		coccilib.report.print_report(p[0],"duplicated argument to && or \|\|")