slang_diagnostic_buffer.h revision e67239de8d94975e7e2216ee6860ae2e6cb8b15a 
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
26namespace llvm {
27  class raw_string_ostream;
28}
29
30namespace slang {
31
32// The diagnostics consumer instance (for reading the processed diagnostics)
33class 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