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(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(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(severity); 58 stream << message.take_front(severity_pos); 59 60 if (severity_pos != llvm::StringRef::npos) 61 stream << message.drop_front(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(ss.GetString(), severity, eDiagnosticOriginLLDB); 78 79 return result; 80} 81 82void DiagnosticManager::PutString(DiagnosticSeverity severity, 83 llvm::StringRef str) { 84 if (str.empty()) 85 return; 86 AddDiagnostic(str, severity, eDiagnosticOriginLLDB); 87} 88