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-rw-r--r--scripts/coccinelle/api/string_choices.cocci41
1 files changed, 41 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/string_choices.cocci b/scripts/coccinelle/api/string_choices.cocci
new file mode 100644
index 0000000000..a71966c049
--- /dev/null
+++ b/scripts/coccinelle/api/string_choices.cocci
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/// Find places to use string_choices.h's various helpers.
+//
+// Confidence: Medium
+// Options: --no-includes --include-headers
+virtual patch
+virtual context
+virtual report
+
+@str_plural depends on patch@
+expression E;
+@@
+(
+- ((E == 1) ? "" : "s")
++ str_plural(E)
+|
+- ((E != 1) ? "s" : "")
++ str_plural(E)
+|
+- ((E > 1) ? "s" : "")
++ str_plural(E)
+)
+
+@str_plural_r depends on !patch exists@
+expression E;
+position P;
+@@
+(
+* ((E@P == 1) ? "" : "s")
+|
+* ((E@P != 1) ? "s" : "")
+|
+* ((E@P > 1) ? "s" : "")
+)
+
+@script:python depends on report@
+p << str_plural_r.P;
+e << str_plural_r.E;
+@@
+
+coccilib.report.print_report(p[0], "opportunity for str_plural(%s)" % e)