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1 //===--- TypeMismatchCheck.h - clang-tidy------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MPI_TYPE_MISMATCH_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MPI_TYPE_MISMATCH_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "clang/ASTMatchers/ASTMatchFinder.h"
14 
15 namespace clang {
16 namespace tidy {
17 namespace mpi {
18 
19 /// This check verifies if buffer type and MPI (Message Passing Interface)
20 /// datatype pairs match. All MPI datatypes defined by the MPI standard (3.1)
21 /// are verified by this check. User defined typedefs, custom MPI datatypes and
22 /// null pointer constants are skipped, in the course of verification.
23 ///
24 /// For the user-facing documentation see:
25 /// http://clang.llvm.org/extra/clang-tidy/checks/mpi-type-mismatch.html
26 class TypeMismatchCheck : public ClangTidyCheck {
27 public:
TypeMismatchCheck(StringRef Name,ClangTidyContext * Context)28   TypeMismatchCheck(StringRef Name, ClangTidyContext *Context)
29       : ClangTidyCheck(Name, Context) {}
30 
31   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33 
34 private:
35   /// Check if the buffer type MPI datatype pairs match.
36   ///
37   /// \param BufferTypes buffer types
38   /// \param BufferExprs buffer arguments as expressions
39   /// \param MPIDatatypes MPI datatype
40   /// \param LO language options
41   void checkArguments(ArrayRef<const Type *> BufferTypes,
42                       ArrayRef<const Expr *> BufferExprs,
43                       ArrayRef<StringRef> MPIDatatypes, const LangOptions &LO);
44 };
45 
46 } // namespace mpi
47 } // namespace tidy
48 } // namespace clang
49 
50 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MPI_TYPE_MISMATCH_H
51