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 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 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 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 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 73 void DiagnosticManager::PutString(DiagnosticSeverity severity, 74 llvm::StringRef str) { 75 if (str.empty()) 76 return; 77 AddDiagnostic(str, severity, eDiagnosticOriginLLDB); 78 } 79