[clang-tidy] Add check 'misc-use-after-move'

Summary:
The check warns if an object is used after it has been moved, without an
intervening reinitialization.

See user-facing documentation for details.

Reviewers: sbenza, Prazek, alexfh

Subscribers: beanz, mgorny, shadeware, omtcyfz, Eugene.Zelenko, Prazek, fowles, ioeric, cfe-commits

Differential Revision: https://reviews.llvm.org/D23353

llvm-svn: 281453

1 files changed, 36 insertions, 0 deletions

diff --git a/clang-tools-extra/clang-tidy/misc/UseAfterMoveCheck.h b/clang-tools-extra/clang-tidy/misc/UseAfterMoveCheck.h
new file mode 100644
index 00000000000..2f6be5be300
--- /dev/null
+++ b/clang-tools-extra/clang-tidy/misc/UseAfterMoveCheck.h
@@ -0,0 +1,36 @@
+//===--- UseAfterMoveCheck.h - clang-tidy ---------------------------------===//
+//
+//                     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_MISC_USEAFTERMOVECHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEAFTERMOVECHECK_H
+
+#include "../ClangTidy.h"
+
+namespace clang {
+namespace tidy {
+namespace misc {
+
+/// The check warns if an object is used after it has been moved, without an
+/// intervening reinitialization.
+///
+/// For details, see the user-facing documentation:
+/// http://clang.llvm.org/extra/clang-tidy/checks/misc-use-after-move.html
+class UseAfterMoveCheck : public ClangTidyCheck {
+public:
+  UseAfterMoveCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace misc
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEAFTERMOVECHECK_H