llvm-project/lldb/source/Plugins/Language/Java/JavaFormatterFunctions.cpp

72 lines
2.1 KiB
C++

//===-- JavaFormatterFunctions.cpp-------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "JavaFormatterFunctions.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/DataFormatters/StringPrinter.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
bool
lldb_private::formatters::JavaStringSummaryProvider(ValueObject &valobj, Stream &stream, const TypeSummaryOptions &opts)
{
if (valobj.IsPointerOrReferenceType())
{
Error error;
ValueObjectSP deref = valobj.Dereference(error);
if (error.Fail())
return false;
return JavaStringSummaryProvider(*deref, stream, opts);
}
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ConstString data_name("value");
ConstString length_name("count");
ValueObjectSP length_sp = valobj.GetChildMemberWithName(length_name, true);
ValueObjectSP data_sp = valobj.GetChildMemberWithName(data_name, true);
if (!data_sp || !length_sp)
return false;
bool success = false;
uint64_t length = length_sp->GetValueAsUnsigned(0, &success);
if (!success)
return false;
if (length == 0)
{
stream.Printf("\"\"");
return true;
}
lldb::addr_t valobj_addr = data_sp->GetAddressOf();
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetSourceSize(length);
options.SetNeedsZeroTermination(false);
options.SetLanguage(eLanguageTypeJava);
if (StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF16>(options))
return true;
stream.Printf("Summary Unavailable");
return true;
}