clang  9.0.0svn
TextDiagnosticBuffer.cpp
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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 
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 
19 using namespace clang;
20 
21 /// HandleDiagnostic - Store the errors, warnings, and notes that are
22 /// reported.
24  const Diagnostic &Info) {
25  // Default implementation (Warnings/errors count).
27 
28  SmallString<100> Buf;
29  Info.FormatDiagnostic(Buf);
30  switch (Level) {
31  default: llvm_unreachable(
32  "Diagnostic not handled during diagnostic buffering!");
34  All.emplace_back(Level, Notes.size());
35  Notes.emplace_back(Info.getLocation(), Buf.str());
36  break;
38  All.emplace_back(Level, Warnings.size());
39  Warnings.emplace_back(Info.getLocation(), Buf.str());
40  break;
42  All.emplace_back(Level, Remarks.size());
43  Remarks.emplace_back(Info.getLocation(), Buf.str());
44  break;
47  All.emplace_back(Level, Errors.size());
48  Errors.emplace_back(Info.getLocation(), Buf.str());
49  break;
50  }
51 }
52 
54  for (const auto &I : All) {
55  auto Diag = Diags.Report(Diags.getCustomDiagID(I.first, "%0"));
56  switch (I.first) {
57  default: llvm_unreachable(
58  "Diagnostic not handled during diagnostic flushing!");
60  Diag << Notes[I.second].second;
61  break;
63  Diag << Warnings[I.second].second;
64  break;
66  Diag << Remarks[I.second].second;
67  break;
70  Diag << Errors[I.second].second;
71  break;
72  }
73  }
74 }
static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)
Produce a diagnostic highlighting some portion of a literal.
void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) override
HandleDiagnostic - Store the errors, warnings, and notes that are reported.
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1296
const SourceLocation & getLocation() const
Definition: Diagnostic.h:1328
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:148
Defines the Diagnostic-related interfaces.
virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info)
Handle this diagnostic, reporting it to the user or capturing it to a log as needed.
Definition: Diagnostic.cpp:532
unsigned getCustomDiagID(Level L, const char(&FormatString)[N])
Return an ID for a diagnostic with the specified format string and level.
Definition: Diagnostic.h:777
Dataflow Directional Tag Classes.
Level
The level of the diagnostic, after it has been through mapping.
Definition: Diagnostic.h:151
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
Definition: Diagnostic.h:1317
void FlushDiagnostics(DiagnosticsEngine &Diags) const
FlushDiagnostics - Flush the buffered diagnostics to an given diagnostic engine.
void FormatDiagnostic(SmallVectorImpl< char > &OutStr) const
Format this diagnostic into a string, substituting the formal arguments into the %0 slots...
Definition: Diagnostic.cpp:763