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

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//===-- OptionValueBoolean.cpp ----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Interpreter/OptionValueBoolean.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#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;
}
lldb::OptionValueSP OptionValueBoolean::DeepCopy() const {
return OptionValueSP(new OptionValueBoolean(*this));
}
size_t OptionValueBoolean::AutoComplete(
CommandInterpreter &interpreter, llvm::StringRef s, int match_start_point,
int max_return_elements, bool &word_complete, StringList &matches) {
word_complete = false;
matches.Clear();
static const llvm::StringRef g_autocomplete_entries[] = {
"true", "false", "on", "off", "yes", "no", "1", "0"};
auto entries = llvm::makeArrayRef(g_autocomplete_entries);
// only suggest "true" or "false" by default
if (s.empty())
entries = entries.take_front(2);
for (auto entry : entries) {
if (entry.startswith_lower(s))
matches.AppendString(entry);
}
return matches.GetSize();
}