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  clang::SourceLocation const &SrcLoc = Info.getLocation();
45
46  // 100 is enough for storing general diagnosis message
47  llvm::SmallString<100> Buf;
48
49  if (SrcLoc.isValid()) {
50    SrcLoc.print(*mSOS, Info.getSourceManager());
51    (*mSOS) << ": ";
52  }
53
54  switch (DiagLevel) {
55    case clang::DiagnosticsEngine::Note: {
56      (*mSOS) << "note: ";
57      break;
58    }
59    case clang::DiagnosticsEngine::Warning: {
60      (*mSOS) << "warning: ";
61      break;
62    }
63    case clang::DiagnosticsEngine::Error: {
64      (*mSOS) << "error: ";
65      break;
66    }
67    case clang::DiagnosticsEngine::Fatal: {
68      (*mSOS) << "fatal: ";
69      break;
70    }
71    default: {
72      slangAssert(0 && "Diagnostic not handled during diagnostic buffering!");
73    }
74  }
75
76  Info.FormatDiagnostic(Buf);
77  (*mSOS) << Buf.str() << '\n';
78}
79
80clang::DiagnosticConsumer *
81DiagnosticBuffer::clone(clang::DiagnosticsEngine &Diags) const {
82  return new DiagnosticBuffer(*this);
83}
84
85}  // namespace slang
86