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#include "slang_diagnostic_buffer.h"
18
19#include "clang/Basic/SourceLocation.h"
20#include "clang/Basic/SourceManager.h"
21
22#include "llvm/ADT/SmallString.h"
23
24#include "slang_assert.h"
25
26namespace slang {
27
28DiagnosticBuffer::DiagnosticBuffer()
29  : mSOS(new llvm::raw_string_ostream(mDiags)) {
30}
31
32DiagnosticBuffer::DiagnosticBuffer(DiagnosticBuffer const &src)
33  : clang::DiagnosticConsumer(src),
34    mDiags(src.mDiags),
35    mSOS(new llvm::raw_string_ostream(mDiags)) {
36}
37
38DiagnosticBuffer::~DiagnosticBuffer() {
39}
40
41void DiagnosticBuffer::HandleDiagnostic(
42  clang::DiagnosticsEngine::Level DiagLevel,
43  clang::Diagnostic const &Info) {
44
45  clang::SourceLocation const &SrcLoc = Info.getLocation();
46
47  // 100 is enough for storing general diagnosis message
48  llvm::SmallString<100> Buf;
49
50  if (SrcLoc.isValid()) {
51    SrcLoc.print(*mSOS, Info.getSourceManager());
52    (*mSOS) << ": ";
53  }
54
55  switch (DiagLevel) {
56    case clang::DiagnosticsEngine::Note: {
57      (*mSOS) << "note: ";
58      break;
59    }
60    case clang::DiagnosticsEngine::Warning: {
61      (*mSOS) << "warning: ";
62      break;
63    }
64    case clang::DiagnosticsEngine::Error: {
65      (*mSOS) << "error: ";
66      break;
67    }
68    case clang::DiagnosticsEngine::Fatal: {
69      (*mSOS) << "fatal: ";
70      break;
71    }
72    default: {
73      slangAssert(0 && "Diagnostic not handled during diagnostic buffering!");
74    }
75  }
76
77  Info.FormatDiagnostic(Buf);
78  (*mSOS) << Buf.str() << '\n';
79}
80
81clang::DiagnosticConsumer *
82DiagnosticBuffer::clone(clang::DiagnosticsEngine &Diags) const {
83  return new DiagnosticBuffer(*this);
84}
85
86}  // namespace slang
87