1//===- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics -----------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This is a concrete diagnostic client, which buffers the diagnostic messages.
10//
11//===----------------------------------------------------------------------===//
12
13#include "clang/Frontend/TextDiagnosticBuffer.h"
14#include "clang/Basic/Diagnostic.h"
15#include "clang/Basic/LLVM.h"
16#include "llvm/ADT/SmallString.h"
17#include "llvm/Support/ErrorHandling.h"
18
19using namespace clang;
20
21/// HandleDiagnostic - Store the errors, warnings, and notes that are
22/// reported.
23void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
24 const Diagnostic &Info) {
25 // Default implementation (Warnings/errors count).
26 DiagnosticConsumer::HandleDiagnostic(DiagLevel: Level, Info);
27
28 SmallString<100> Buf;
29 Info.FormatDiagnostic(OutStr&: Buf);
30 switch (Level) {
31 default: llvm_unreachable(
32 "Diagnostic not handled during diagnostic buffering!");
33 case DiagnosticsEngine::Note:
34 All.emplace_back(args&: Level, args: Notes.size());
35 Notes.emplace_back(args: Info.getLocation(), args: std::string(Buf));
36 break;
37 case DiagnosticsEngine::Warning:
38 All.emplace_back(args&: Level, args: Warnings.size());
39 Warnings.emplace_back(args: Info.getLocation(), args: std::string(Buf));
40 break;
41 case DiagnosticsEngine::Remark:
42 All.emplace_back(args&: Level, args: Remarks.size());
43 Remarks.emplace_back(args: Info.getLocation(), args: std::string(Buf));
44 break;
45 case DiagnosticsEngine::Error:
46 case DiagnosticsEngine::Fatal:
47 All.emplace_back(args&: Level, args: Errors.size());
48 Errors.emplace_back(args: Info.getLocation(), args: std::string(Buf));
49 break;
50 }
51}
52
53void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
54 for (const auto &I : All) {
55 auto Diag = Diags.Report(DiagID: Diags.getCustomDiagID(L: I.first, FormatString: "%0"));
56 switch (I.first) {
57 default: llvm_unreachable(
58 "Diagnostic not handled during diagnostic flushing!");
59 case DiagnosticsEngine::Note:
60 Diag << Notes[I.second].second;
61 break;
62 case DiagnosticsEngine::Warning:
63 Diag << Warnings[I.second].second;
64 break;
65 case DiagnosticsEngine::Remark:
66 Diag << Remarks[I.second].second;
67 break;
68 case DiagnosticsEngine::Error:
69 case DiagnosticsEngine::Fatal:
70 Diag << Errors[I.second].second;
71 break;
72 }
73 }
74}
75