1 //===-- DiagnosticManager.cpp -----------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Expression/DiagnosticManager.h"
11 
12 #include "llvm/Support/ErrorHandling.h"
13 
14 #include "lldb/Utility/Log.h"
15 #include "lldb/Utility/StreamString.h"
16 
17 using namespace lldb_private;
18 
19 void DiagnosticManager::Dump(Log *log) {
20   if (!log)
21     return;
22 
23   std::string str = GetString();
24 
25   // GetString() puts a separator after each diagnostic. We want to remove the
26   // last '\n' because log->PutCString will add one for us.
27 
28   if (str.size() && str.back() == '\n') {
29     str.pop_back();
30   }
31 
32   log->PutCString(str.c_str());
33 }
34 
35 static const char *StringForSeverity(DiagnosticSeverity severity) {
36   switch (severity) {
37   // this should be exhaustive
38   case lldb_private::eDiagnosticSeverityError:
39     return "error: ";
40   case lldb_private::eDiagnosticSeverityWarning:
41     return "warning: ";
42   case lldb_private::eDiagnosticSeverityRemark:
43     return "";
44   }
45   llvm_unreachable("switch needs another case for DiagnosticSeverity enum");
46 }
47 
48 std::string DiagnosticManager::GetString(char separator) {
49   std::string ret;
50 
51   for (const Diagnostic *diagnostic : Diagnostics()) {
52     ret.append(StringForSeverity(diagnostic->GetSeverity()));
53     ret.append(diagnostic->GetMessage());
54     ret.push_back(separator);
55   }
56 
57   return ret;
58 }
59 
60 size_t DiagnosticManager::Printf(DiagnosticSeverity severity,
61                                  const char *format, ...) {
62   StreamString ss;
63 
64   va_list args;
65   va_start(args, format);
66   size_t result = ss.PrintfVarArg(format, args);
67   va_end(args);
68 
69   AddDiagnostic(ss.GetString(), severity, eDiagnosticOriginLLDB);
70 
71   return result;
72 }
73 
74 size_t DiagnosticManager::PutString(DiagnosticSeverity severity,
75                                     llvm::StringRef str) {
76   if (str.empty())
77     return 0;
78   AddDiagnostic(str, severity, eDiagnosticOriginLLDB);
79   return str.size();
80 }
81 
82 void DiagnosticManager::CopyDiagnostics(DiagnosticManager &otherDiagnostics) {
83   for (const DiagnosticList::value_type &other_diagnostic:
84        otherDiagnostics.Diagnostics()) {
85     AddDiagnostic(
86         other_diagnostic->GetMessage(), other_diagnostic->GetSeverity(),
87         other_diagnostic->getKind(), other_diagnostic->GetCompilerID());
88   }
89 }
90