108 lines · cpp
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-exception6//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/Interpreter/OptionValue.h"16#include "lldb/Utility/Args.h"17#include "lldb/Utility/State.h"18 19using namespace lldb;20using namespace lldb_private;21 22OptionValueFileSpec::OptionValueFileSpec(bool resolve) : m_resolve(resolve) {}23 24OptionValueFileSpec::OptionValueFileSpec(const FileSpec &value, bool resolve)25 : m_current_value(value), m_default_value(value),26 27 m_resolve(resolve) {}28 29OptionValueFileSpec::OptionValueFileSpec(const FileSpec ¤t_value,30 const FileSpec &default_value,31 bool resolve)32 : m_current_value(current_value), m_default_value(default_value),33 34 m_resolve(resolve) {}35 36void OptionValueFileSpec::DumpValue(const ExecutionContext *exe_ctx,37 Stream &strm, uint32_t dump_mask) {38 if (dump_mask & eDumpOptionType)39 strm.Printf("(%s)", GetTypeAsCString());40 if (dump_mask & eDumpOptionValue) {41 if (dump_mask & eDumpOptionType)42 strm.PutCString(" = ");43 44 if (m_current_value) {45 strm << '"' << m_current_value.GetPath() << '"';46 }47 if (dump_mask & eDumpOptionDefaultValue &&48 m_current_value != m_default_value && m_default_value) {49 DefaultValueFormat label(strm);50 strm << '"' << m_default_value.GetPath() << '"';51 }52 }53}54 55Status OptionValueFileSpec::SetValueFromString(llvm::StringRef value,56 VarSetOperationType op) {57 Status error;58 switch (op) {59 case eVarSetOperationClear:60 Clear();61 NotifyValueChanged();62 break;63 64 case eVarSetOperationReplace:65 case eVarSetOperationAssign:66 if (value.size() > 0) {67 value = value.trim("\"' \t");68 m_value_was_set = true;69 m_current_value.SetFile(value.str(), FileSpec::Style::native);70 if (m_resolve)71 FileSystem::Instance().Resolve(m_current_value);72 m_data_sp.reset();73 m_data_mod_time = llvm::sys::TimePoint<>();74 NotifyValueChanged();75 } else {76 error = Status::FromErrorString("invalid value string");77 }78 break;79 80 case eVarSetOperationInsertBefore:81 case eVarSetOperationInsertAfter:82 case eVarSetOperationRemove:83 case eVarSetOperationAppend:84 case eVarSetOperationInvalid:85 error = OptionValue::SetValueFromString(value, op);86 break;87 }88 return error;89}90 91void OptionValueFileSpec::AutoComplete(CommandInterpreter &interpreter,92 CompletionRequest &request) {93 lldb_private::CommandCompletions::InvokeCommonCompletionCallbacks(94 interpreter, m_completion_mask, request, nullptr);95}96 97const lldb::DataBufferSP &OptionValueFileSpec::GetFileContents() {98 if (m_current_value) {99 const auto file_mod_time = FileSystem::Instance().GetModificationTime(m_current_value);100 if (m_data_sp && m_data_mod_time == file_mod_time)101 return m_data_sp;102 m_data_sp =103 FileSystem::Instance().CreateDataBuffer(m_current_value.GetPath());104 m_data_mod_time = file_mod_time;105 }106 return m_data_sp;107}108