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      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   llvm::OwningPtr<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 
     51   inline const std::string &str() const {
     52     mSOS->flush();
     53     return mDiags;
     54   }
     55 
     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