1 //===-- OptionValueFileSpec.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/Interpreter/OptionValueFileSpec.h" 10 11 #include "lldb/DataFormatters/FormatManager.h" 12 #include "lldb/Host/FileSystem.h" 13 #include "lldb/Interpreter/CommandCompletions.h" 14 #include "lldb/Interpreter/CommandInterpreter.h" 15 #include "lldb/Utility/Args.h" 16 #include "lldb/Utility/State.h" 17 18 using namespace lldb; 19 using namespace lldb_private; 20 21 OptionValueFileSpec::OptionValueFileSpec(bool resolve) : m_resolve(resolve) {} 22 23 OptionValueFileSpec::OptionValueFileSpec(const FileSpec &value, bool resolve) 24 : m_current_value(value), m_default_value(value), 25 26 m_resolve(resolve) {} 27 28 OptionValueFileSpec::OptionValueFileSpec(const FileSpec ¤t_value, 29 const FileSpec &default_value, 30 bool resolve) 31 : m_current_value(current_value), m_default_value(default_value), 32 33 m_resolve(resolve) {} 34 35 void OptionValueFileSpec::DumpValue(const ExecutionContext *exe_ctx, 36 Stream &strm, uint32_t dump_mask) { 37 if (dump_mask & eDumpOptionType) 38 strm.Printf("(%s)", GetTypeAsCString()); 39 if (dump_mask & eDumpOptionValue) { 40 if (dump_mask & eDumpOptionType) 41 strm.PutCString(" = "); 42 43 if (m_current_value) { 44 strm << '"' << m_current_value.GetPath().c_str() << '"'; 45 } 46 } 47 } 48 49 Status OptionValueFileSpec::SetValueFromString(llvm::StringRef value, 50 VarSetOperationType op) { 51 Status error; 52 switch (op) { 53 case eVarSetOperationClear: 54 Clear(); 55 NotifyValueChanged(); 56 break; 57 58 case eVarSetOperationReplace: 59 case eVarSetOperationAssign: 60 if (value.size() > 0) { 61 value = value.trim("\"' \t"); 62 m_value_was_set = true; 63 m_current_value.SetFile(value.str(), FileSpec::Style::native); 64 if (m_resolve) 65 FileSystem::Instance().Resolve(m_current_value); 66 m_data_sp.reset(); 67 m_data_mod_time = llvm::sys::TimePoint<>(); 68 NotifyValueChanged(); 69 } else { 70 error.SetErrorString("invalid value string"); 71 } 72 break; 73 74 case eVarSetOperationInsertBefore: 75 case eVarSetOperationInsertAfter: 76 case eVarSetOperationRemove: 77 case eVarSetOperationAppend: 78 case eVarSetOperationInvalid: 79 error = OptionValue::SetValueFromString(value, op); 80 break; 81 } 82 return error; 83 } 84 85 void OptionValueFileSpec::AutoComplete(CommandInterpreter &interpreter, 86 CompletionRequest &request) { 87 lldb_private::CommandCompletions::InvokeCommonCompletionCallbacks( 88 interpreter, m_completion_mask, request, nullptr); 89 } 90 91 const lldb::DataBufferSP &OptionValueFileSpec::GetFileContents() { 92 if (m_current_value) { 93 const auto file_mod_time = FileSystem::Instance().GetModificationTime(m_current_value); 94 if (m_data_sp && m_data_mod_time == file_mod_time) 95 return m_data_sp; 96 m_data_sp = 97 FileSystem::Instance().CreateDataBuffer(m_current_value.GetPath()); 98 m_data_mod_time = file_mod_time; 99 } 100 return m_data_sp; 101 } 102