slang_diagnostic_buffer.h revision c383a500aa59423264811be3874461bf8adbfea0 
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 _SLANG_COMPILER_DIAGNOSTIC_BUFFER_H
18#define _SLANG_COMPILER_DIAGNOSTIC_BUFFER_H
19
20#include "llvm/Support/raw_ostream.h"
21
22#include "clang/Basic/Diagnostic.h"
23
24#include <string>
25
26namespace llvm {
27  class raw_string_ostream;
28}
29
30namespace slang {
31
32// The diagnostics client instance (for reading the processed diagnostics)
33class DiagnosticBuffer : public clang::DiagnosticClient {
34 private:
35  std::string mDiags;
36  llvm::raw_string_ostream *mSOS;
37
38 public:
39  DiagnosticBuffer();
40
41  virtual void HandleDiagnostic(clang::Diagnostic::Level DiagLevel,
42                                const clang::DiagnosticInfo& Info);
43
44  inline const std::string &str() const {
45    mSOS->flush();
46    return mDiags;
47  }
48
49  inline void reset() {
50    this->mSOS->str().clear();
51    return;
52  }
53
54  virtual ~DiagnosticBuffer();
55};
56}
57
58#endif  // _SLANG_DIAGNOSTIC_BUFFER_H
59