From 14f1b3e8826ce43b978db93a62d1166055db5394 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 2 Jan 2017 19:26:05 +0000 Subject: Vendor import of lldb trunk r290819: https://llvm.org/svn/llvm-project/lldb/trunk@290819 --- .../Language/Java/JavaFormatterFunctions.cpp | 281 ++++++++++----------- 1 file changed, 131 insertions(+), 150 deletions(-) (limited to 'source/Plugins/Language/Java/JavaFormatterFunctions.cpp') diff --git a/source/Plugins/Language/Java/JavaFormatterFunctions.cpp b/source/Plugins/Language/Java/JavaFormatterFunctions.cpp index 29e6ad0ee89f..286651a64409 100644 --- a/source/Plugins/Language/Java/JavaFormatterFunctions.cpp +++ b/source/Plugins/Language/Java/JavaFormatterFunctions.cpp @@ -20,167 +20,148 @@ using namespace lldb; using namespace lldb_private; using namespace lldb_private::formatters; -namespace -{ +namespace { -class JavaArraySyntheticFrontEnd : public SyntheticChildrenFrontEnd -{ +class JavaArraySyntheticFrontEnd : public SyntheticChildrenFrontEnd { public: - JavaArraySyntheticFrontEnd(lldb::ValueObjectSP valobj_sp) : - SyntheticChildrenFrontEnd(*valobj_sp) - { - if (valobj_sp) - Update(); - } - - size_t - CalculateNumChildren() override - { - ValueObjectSP valobj = GetDereferencedValueObject(); - if (!valobj) - return 0; - - CompilerType type = valobj->GetCompilerType(); - uint32_t size = JavaASTContext::CalculateArraySize(type, *valobj); - if (size == UINT32_MAX) - return 0; - return size; - } - - lldb::ValueObjectSP - GetChildAtIndex(size_t idx) override - { - ValueObjectSP valobj = GetDereferencedValueObject(); - if (!valobj) - return nullptr; - - ProcessSP process_sp = valobj->GetProcessSP(); - if (!process_sp) - return nullptr; - - CompilerType type = valobj->GetCompilerType(); - CompilerType element_type = type.GetArrayElementType(); - lldb::addr_t address = valobj->GetAddressOf() + JavaASTContext::CalculateArrayElementOffset(type, idx); - - Error error; - size_t byte_size = element_type.GetByteSize(nullptr); - DataBufferSP buffer_sp(new DataBufferHeap(byte_size, 0)); - size_t bytes_read = process_sp->ReadMemory(address, buffer_sp->GetBytes(), byte_size, error); - if (error.Fail() || byte_size != bytes_read) - return nullptr; - - StreamString name; - name.Printf("[%" PRIu64 "]", (uint64_t)idx); - DataExtractor data(buffer_sp, process_sp->GetByteOrder(), process_sp->GetAddressByteSize()); - return CreateValueObjectFromData(name.GetData(), data, valobj->GetExecutionContextRef(), - element_type); - } - - bool - Update() override - { - return false; - } - - bool - MightHaveChildren() override - { - return true; - } - - size_t - GetIndexOfChildWithName(const ConstString &name) override - { - return ExtractIndexFromString(name.GetCString()); - } + JavaArraySyntheticFrontEnd(lldb::ValueObjectSP valobj_sp) + : SyntheticChildrenFrontEnd(*valobj_sp) { + if (valobj_sp) + Update(); + } + + size_t CalculateNumChildren() override { + ValueObjectSP valobj = GetDereferencedValueObject(); + if (!valobj) + return 0; + + CompilerType type = valobj->GetCompilerType(); + uint32_t size = JavaASTContext::CalculateArraySize(type, *valobj); + if (size == UINT32_MAX) + return 0; + return size; + } + + lldb::ValueObjectSP GetChildAtIndex(size_t idx) override { + ValueObjectSP valobj = GetDereferencedValueObject(); + if (!valobj) + return nullptr; + + ProcessSP process_sp = valobj->GetProcessSP(); + if (!process_sp) + return nullptr; + + CompilerType type = valobj->GetCompilerType(); + CompilerType element_type = type.GetArrayElementType(); + lldb::addr_t address = + valobj->GetAddressOf() + + JavaASTContext::CalculateArrayElementOffset(type, idx); + + Error error; + size_t byte_size = element_type.GetByteSize(nullptr); + DataBufferSP buffer_sp(new DataBufferHeap(byte_size, 0)); + size_t bytes_read = process_sp->ReadMemory(address, buffer_sp->GetBytes(), + byte_size, error); + if (error.Fail() || byte_size != bytes_read) + return nullptr; + + StreamString name; + name.Printf("[%" PRIu64 "]", (uint64_t)idx); + DataExtractor data(buffer_sp, process_sp->GetByteOrder(), + process_sp->GetAddressByteSize()); + return CreateValueObjectFromData( + name.GetString(), data, valobj->GetExecutionContextRef(), element_type); + } + + bool Update() override { return false; } + + bool MightHaveChildren() override { return true; } + + size_t GetIndexOfChildWithName(const ConstString &name) override { + return ExtractIndexFromString(name.GetCString()); + } private: - ValueObjectSP - GetDereferencedValueObject() - { - if (!m_backend.IsPointerOrReferenceType()) - return m_backend.GetSP(); - - Error error; - return m_backend.Dereference(error); - } + ValueObjectSP GetDereferencedValueObject() { + if (!m_backend.IsPointerOrReferenceType()) + return m_backend.GetSP(); + + Error error; + return m_backend.Dereference(error); + } }; } // end of anonymous namespace -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(options)) - return true; - - stream.Printf("Summary Unavailable"); +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; } -bool -lldb_private::formatters::JavaArraySummaryProvider(ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) -{ - if (valobj.IsPointerOrReferenceType()) - { - Error error; - ValueObjectSP deref = valobj.Dereference(error); - if (error.Fail()) - return false; - return JavaArraySummaryProvider(*deref, stream, options); - } - - CompilerType type = valobj.GetCompilerType(); - uint32_t size = JavaASTContext::CalculateArraySize(type, valobj); - if (size == UINT32_MAX) - return false; - stream.Printf("[%u]{...}", size); - return true; +bool lldb_private::formatters::JavaArraySummaryProvider( + ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) { + if (valobj.IsPointerOrReferenceType()) { + Error error; + ValueObjectSP deref = valobj.Dereference(error); + if (error.Fail()) + return false; + return JavaArraySummaryProvider(*deref, stream, options); + } + + CompilerType type = valobj.GetCompilerType(); + uint32_t size = JavaASTContext::CalculateArraySize(type, valobj); + if (size == UINT32_MAX) + return false; + stream.Printf("[%u]{...}", size); + return true; } -SyntheticChildrenFrontEnd* -lldb_private::formatters::JavaArraySyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) -{ - return valobj_sp ? new JavaArraySyntheticFrontEnd(valobj_sp) : nullptr; +SyntheticChildrenFrontEnd * +lldb_private::formatters::JavaArraySyntheticFrontEndCreator( + CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) { + return valobj_sp ? new JavaArraySyntheticFrontEnd(valobj_sp) : nullptr; } -- cgit v1.2.3