llvm-project/lldb/source/Interpreter/OptionValueBoolean.cpp

84 lines
2.7 KiB
C++

//===-- OptionValueBoolean.cpp --------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Interpreter/OptionValueBoolean.h"
#include "lldb/Host/PosixApi.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StringList.h"
#include "llvm/ADT/STLExtras.h"
using namespace lldb;
using namespace lldb_private;
void OptionValueBoolean::DumpValue(const ExecutionContext *exe_ctx,
Stream &strm, uint32_t dump_mask) {
if (dump_mask & eDumpOptionType)
strm.Printf("(%s)", GetTypeAsCString());
// if (dump_mask & eDumpOptionName)
// DumpQualifiedName (strm);
if (dump_mask & eDumpOptionValue) {
if (dump_mask & eDumpOptionType)
strm.PutCString(" = ");
strm.PutCString(m_current_value ? "true" : "false");
}
}
Status OptionValueBoolean::SetValueFromString(llvm::StringRef value_str,
VarSetOperationType op) {
Status error;
switch (op) {
case eVarSetOperationClear:
Clear();
NotifyValueChanged();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign: {
bool success = false;
bool value = OptionArgParser::ToBoolean(value_str, false, &success);
if (success) {
m_value_was_set = true;
m_current_value = value;
NotifyValueChanged();
} else {
if (value_str.size() == 0)
error.SetErrorString("invalid boolean string value <empty>");
else
error.SetErrorStringWithFormat("invalid boolean string value: '%s'",
value_str.str().c_str());
}
} break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromString(value_str, op);
break;
}
return error;
}
void OptionValueBoolean::AutoComplete(CommandInterpreter &interpreter,
CompletionRequest &request) {
llvm::StringRef autocomplete_entries[] = {"true", "false", "on", "off",
"yes", "no", "1", "0"};
auto entries = llvm::makeArrayRef(autocomplete_entries);
// only suggest "true" or "false" by default
if (request.GetCursorArgumentPrefix().empty())
entries = entries.take_front(2);
for (auto entry : entries)
request.TryCompleteCurrentArg(entry);
}