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
16 using namespace lldb_private;
17
Dump(Log * log)18 void 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(str.c_str());
32 }
33
StringForSeverity(DiagnosticSeverity severity)34 static 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
GetString(char separator)47 std::string DiagnosticManager::GetString(char separator) {
48 std::string ret;
49
50 for (const auto &diagnostic : Diagnostics()) {
51 ret.append(StringForSeverity(diagnostic->GetSeverity()));
52 ret.append(std::string(diagnostic->GetMessage()));
53 ret.push_back(separator);
54 }
55
56 return ret;
57 }
58
Printf(DiagnosticSeverity severity,const char * format,...)59 size_t DiagnosticManager::Printf(DiagnosticSeverity severity,
60 const char *format, ...) {
61 StreamString ss;
62
63 va_list args;
64 va_start(args, format);
65 size_t result = ss.PrintfVarArg(format, args);
66 va_end(args);
67
68 AddDiagnostic(ss.GetString(), severity, eDiagnosticOriginLLDB);
69
70 return result;
71 }
72
PutString(DiagnosticSeverity severity,llvm::StringRef str)73 void DiagnosticManager::PutString(DiagnosticSeverity severity,
74 llvm::StringRef str) {
75 if (str.empty())
76 return;
77 AddDiagnostic(str, severity, eDiagnosticOriginLLDB);
78 }
79