forked from OSchip/llvm-project
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
//===--- BufferDerefCheck.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_MPI_BUFFER_DEREF_H
|
|
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MPI_BUFFER_DEREF_H
|
|
|
|
#include "../ClangTidy.h"
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace mpi {
|
|
|
|
/// This check verifies if a buffer passed to an MPI (Message Passing Interface)
|
|
/// function is sufficiently dereferenced. Buffers should be passed as a single
|
|
/// pointer or array. As MPI function signatures specify void * for their buffer
|
|
/// types, insufficiently dereferenced buffers can be passed, like for example
|
|
/// as double pointers or multidimensional arrays, without a compiler warning
|
|
/// emitted.
|
|
///
|
|
/// For the user-facing documentation see:
|
|
/// http://clang.llvm.org/extra/clang-tidy/checks/mpi-buffer-deref.html
|
|
class BufferDerefCheck : public ClangTidyCheck {
|
|
public:
|
|
BufferDerefCheck(StringRef Name, ClangTidyContext *Context)
|
|
: ClangTidyCheck(Name, Context) {}
|
|
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
|
|
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
|
|
|
|
private:
|
|
/// Checks for all buffers in an MPI call if they are sufficiently
|
|
/// dereferenced.
|
|
///
|
|
/// \param BufferTypes buffer types
|
|
/// \param BufferExprs buffer arguments as expressions
|
|
void checkBuffers(ArrayRef<const Type *> BufferTypes,
|
|
ArrayRef<const Expr *> BufferExprs);
|
|
|
|
enum class IndirectionType : unsigned char { Pointer, Array };
|
|
};
|
|
|
|
} // namespace mpi
|
|
} // namespace tidy
|
|
} // namespace clang
|
|
|
|
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MPI_BUFFER_DEREF_H
|