[clang-tidy] Add non-constant references in function parameters check.
Summary: This is implemented originally by Alexander Kornienko.
Reviewers: alexfh
Subscribers: cfe-commits
Patch by Haojian Wu!
Differential Revision: http://reviews.llvm.org/D16717
llvm-svn: 259530
diff --git a/clang-tools-extra/clang-tidy/google/NonConstReferences.h b/clang-tools-extra/clang-tidy/google/NonConstReferences.h
new file mode 100644
index 0000000..3adb1f9
--- /dev/null
+++ b/clang-tools-extra/clang-tidy/google/NonConstReferences.h
@@ -0,0 +1,36 @@
+//===--- NonConstReferences.h - clang-tidy ----------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_NON_CONST_REFERENCES_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_NON_CONST_REFERENCES_H
+
+#include "../ClangTidy.h"
+
+namespace clang {
+namespace tidy {
+namespace google {
+namespace runtime {
+
+/// \brief Checks the usage of non-constant references in function parameters.
+///
+/// https://google.github.io/styleguide/cppguide.html#Reference_Arguments
+class NonConstReferences : public ClangTidyCheck {
+public:
+ NonConstReferences(StringRef Name, ClangTidyContext *Context)
+ : ClangTidyCheck(Name, Context) {}
+ void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+ void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace runtime
+} // namespace google
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_NON_CONST_REFERENCES_H