if (!getLangOpts().ObjC)
return;
- // Match function declarations that are not in system headers and are not
- // main.
+ // Enforce Objective-C function naming conventions on all functions except:
+ // • Functions defined in system headers.
+ // • C++ member functions.
+ // • Namespaced functions.
+ // • Implicitly defined functions.
+ // • The main function.
Finder->addMatcher(
functionDecl(
unless(anyOf(isExpansionInSystemHeader(), cxxMethodDecl(),
- hasAncestor(namespaceDecl()), isMain(),
+ hasAncestor(namespaceDecl()), isMain(), isImplicit(),
matchesName(validFunctionNameRegex(true)),
allOf(isStaticStorageClass(),
matchesName(validFunctionNameRegex(false))))))
--- /dev/null
+//===--- stdio.h - Stub header for tests ------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _STDIO_H_
+#define _STDIO_H_
+
+// A header intended to contain C standard input and output library
+// declarations.
+
+int printf(const char *, ...);
+
+#endif // _STDIO_H_
+
-// RUN: %check_clang_tidy %s google-objc-function-naming %t
+// RUN: %check_clang_tidy %s google-objc-function-naming %t -- -- -isystem %S/Inputs/Headers
+
+#include <stdio.h>
+
+static void TestImplicitFunctionDeclaration(int a) {
+ // Call a builtin function so that the compiler generates an implicit
+ // function declaration.
+ printf("%d", a);
+}
typedef _Bool bool;