1//===-- DiagnosticManager.cpp ---------------------------------------------===//
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#include "lldb/Expression/DiagnosticManager.h"
10
11#include "llvm/Support/ErrorHandling.h"
12
13#include "lldb/Utility/Log.h"
14#include "lldb/Utility/StreamString.h"
15
16using namespace lldb_private;
17
18void DiagnosticManager::Dump(Log *log) {
19 if (!log)
20 return;
21
22 std::string str = GetString();
23
24 // GetString() puts a separator after each diagnostic. We want to remove the
25 // last '\n' because log->PutCString will add one for us.
26
27 if (str.size() && str.back() == '\n') {
28 str.pop_back();
29 }
30
31 log->PutCString(cstr: str.c_str());
32}
33
34static const char *StringForSeverity(DiagnosticSeverity severity) {
35 switch (severity) {
36 // this should be exhaustive
37 case lldb_private::eDiagnosticSeverityError:
38 return "error: ";
39 case lldb_private::eDiagnosticSeverityWarning:
40 return "warning: ";
41 case lldb_private::eDiagnosticSeverityRemark:
42 return "";
43 }
44 llvm_unreachable("switch needs another case for DiagnosticSeverity enum");
45}
46
47std::string DiagnosticManager::GetString(char separator) {
48 std::string ret;
49 llvm::raw_string_ostream stream(ret);
50
51 for (const auto &diagnostic : Diagnostics()) {
52 llvm::StringRef severity = StringForSeverity(severity: diagnostic->GetSeverity());
53 stream << severity;
54
55 llvm::StringRef message = diagnostic->GetMessage();
56 std::string searchable_message = message.lower();
57 auto severity_pos = message.find(Str: severity);
58 stream << message.take_front(N: severity_pos);
59
60 if (severity_pos != llvm::StringRef::npos)
61 stream << message.drop_front(N: severity_pos + severity.size());
62 stream << separator;
63 }
64
65 return ret;
66}
67
68size_t DiagnosticManager::Printf(DiagnosticSeverity severity,
69 const char *format, ...) {
70 StreamString ss;
71
72 va_list args;
73 va_start(args, format);
74 size_t result = ss.PrintfVarArg(format, args);
75 va_end(args);
76
77 AddDiagnostic(message: ss.GetString(), severity, origin: eDiagnosticOriginLLDB);
78
79 return result;
80}
81
82void DiagnosticManager::PutString(DiagnosticSeverity severity,
83 llvm::StringRef str) {
84 if (str.empty())
85 return;
86 AddDiagnostic(message: str, severity, origin: eDiagnosticOriginLLDB);
87}
88

source code of lldb/source/Expression/DiagnosticManager.cpp