DiagnosticManager.cpp revision 341825 
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
17using namespace lldb_private;
18
19void 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
35static 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
48std::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
60size_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
74size_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
82void 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