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

68 lines
2.0 KiB
C++

//===-- OptionValueRegex.cpp ------------------------------------*- C++ -*-===//
//
// 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/OptionValueRegex.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
void OptionValueRegex::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_regex.IsValid()) {
llvm::StringRef regex_text = m_regex.GetText();
strm.Printf("%s", regex_text.str().c_str());
}
}
}
Status OptionValueRegex::SetValueFromString(llvm::StringRef value,
VarSetOperationType op) {
Status error;
switch (op) {
case eVarSetOperationInvalid:
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
error = OptionValue::SetValueFromString(value, op);
break;
case eVarSetOperationClear:
Clear();
NotifyValueChanged();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign:
if (m_regex.Compile(value)) {
m_value_was_set = true;
NotifyValueChanged();
} else {
char regex_error[1024];
if (m_regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
error.SetErrorString(regex_error);
else
error.SetErrorStringWithFormat("regex error %u",
m_regex.GetErrorCode());
}
break;
}
return error;
}
lldb::OptionValueSP OptionValueRegex::DeepCopy() const {
return OptionValueSP(new OptionValueRegex(m_regex.GetText().str().c_str()));
}