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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
14//
15//===----------------------------------------------------------------------===//
16
17#include "flang/Frontend/TextDiagnosticBuffer.h"
18#include "clang/Basic/Diagnostic.h"
19#include "llvm/ADT/SmallString.h"
20#include "llvm/Support/ErrorHandling.h"
21
22using namespace Fortran::frontend;
23
24/// HandleDiagnostic - Store the errors, warnings, and notes that are
25/// reported.
26void TextDiagnosticBuffer::HandleDiagnostic(
27 clang::DiagnosticsEngine::Level level, const clang::Diagnostic &info) {
28 // Default implementation (warnings_/errors count).
29 DiagnosticConsumer::HandleDiagnostic(level, info);
30
31 llvm::SmallString<100> buf;
32 info.FormatDiagnostic(buf);
33 switch (level) {
34 default:
35 llvm_unreachable("Diagnostic not handled during diagnostic buffering!");
36 case clang::DiagnosticsEngine::Note:
37 all.emplace_back(level, notes.size());
38 notes.emplace_back(info.getLocation(), std::string(buf));
39 break;
40 case clang::DiagnosticsEngine::Warning:
41 all.emplace_back(level, warnings.size());
42 warnings.emplace_back(info.getLocation(), std::string(buf));
43 break;
44 case clang::DiagnosticsEngine::Remark:
45 all.emplace_back(level, remarks.size());
46 remarks.emplace_back(info.getLocation(), std::string(buf));
47 break;
48 case clang::DiagnosticsEngine::Error:
49 case clang::DiagnosticsEngine::Fatal:
50 all.emplace_back(level, errors.size());
51 errors.emplace_back(info.getLocation(), std::string(buf));
52 break;
53 }
54}
55
56void TextDiagnosticBuffer::flushDiagnostics(
57 clang::DiagnosticsEngine &diags) const {
58 for (const auto &i : all) {
59 auto diag = diags.Report(diags.getCustomDiagID(i.first, "%0"));
60 switch (i.first) {
61 default:
62 llvm_unreachable("Diagnostic not handled during diagnostic flushing!");
63 case clang::DiagnosticsEngine::Note:
64 diag << notes[i.second].second;
65 break;
66 case clang::DiagnosticsEngine::Warning:
67 diag << warnings[i.second].second;
68 break;
69 case clang::DiagnosticsEngine::Remark:
70 diag << remarks[i.second].second;
71 break;
72 case clang::DiagnosticsEngine::Error:
73 case clang::DiagnosticsEngine::Fatal:
74 diag << errors[i.second].second;
75 break;
76 }
77 }
78}
79

source code of flang/lib/Frontend/TextDiagnosticBuffer.cpp