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

76 lines
2.5 KiB
C++

//===-- OptionValueLanguage.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/OptionValueLanguage.h"
#include "lldb/DataFormatters/FormatManager.h"
#include "lldb/Target/Language.h"
#include "lldb/Symbol/TypeSystem.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx,
Stream &strm, uint32_t dump_mask) {
if (dump_mask & eDumpOptionType)
strm.Printf("(%s)", GetTypeAsCString());
if (dump_mask & eDumpOptionValue) {
if (dump_mask & eDumpOptionType)
strm.PutCString(" = ");
if (m_current_value != eLanguageTypeUnknown)
strm.PutCString(Language::GetNameForLanguageType(m_current_value));
}
}
Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
VarSetOperationType op) {
Status error;
switch (op) {
case eVarSetOperationClear:
Clear();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign: {
ConstString lang_name(value.trim());
LanguageSet languages_for_types = Language::GetLanguagesSupportingTypeSystems();
LanguageType new_type =
Language::GetLanguageTypeFromString(lang_name.GetStringRef());
if (new_type && languages_for_types[new_type]) {
m_value_was_set = true;
m_current_value = new_type;
} else {
StreamString error_strm;
error_strm.Printf("invalid language type '%s', ", value.str().c_str());
error_strm.Printf("valid values are:\n");
for (int bit : languages_for_types.bitvector.set_bits()) {
auto language = (LanguageType)bit;
error_strm.Printf(" %s\n",
Language::GetNameForLanguageType(language));
}
error.SetErrorString(error_strm.GetString());
}
} break;
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromString(value, op);
break;
}
return error;
}
lldb::OptionValueSP OptionValueLanguage::DeepCopy() const {
return OptionValueSP(new OptionValueLanguage(*this));
}