1 /*
2  * Copyright 2010, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_DIAGNOSTIC_BUFFER_H_  // NOLINT
18 #define _FRAMEWORKS_COMPILE_SLANG_SLANG_DIAGNOSTIC_BUFFER_H_
19 
20 #include <string>
21 
22 #include "clang/Basic/Diagnostic.h"
23 
24 #include "llvm/Support/raw_ostream.h"
25 
26 namespace llvm {
27   class raw_string_ostream;
28 }
29 
30 namespace slang {
31 
32 // The diagnostics consumer instance (for reading the processed diagnostics)
33 class DiagnosticBuffer : public clang::DiagnosticConsumer {
34  private:
35   std::string mDiags;
36   std::unique_ptr<llvm::raw_string_ostream> mSOS;
37 
38  public:
39   DiagnosticBuffer();
40 
41   explicit DiagnosticBuffer(DiagnosticBuffer const &src);
42 
43   virtual ~DiagnosticBuffer();
44 
45   virtual void HandleDiagnostic(clang::DiagnosticsEngine::Level DiagLevel,
46                                 const clang::Diagnostic& Info);
47 
48   virtual clang::DiagnosticConsumer *
49     clone(clang::DiagnosticsEngine &Diags) const;
50 
str()51   inline const std::string &str() const {
52     mSOS->flush();
53     return mDiags;
54   }
55 
reset()56   inline void reset() {
57     this->mSOS->str().clear();
58   }
59 };
60 
61 }  // namespace slang
62 
63 #endif  // _FRAMEWORKS_COMPILE_SLANG_SLANG_DIAGNOSTIC_BUFFER_H_  NOLINT
64