| //===-- CXXFormatterFunctions.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/lldb-python.h" |
| |
| #include "lldb/DataFormatters/CXXFormatterFunctions.h" |
| |
| #include "llvm/Support/ConvertUTF.h" |
| |
| #include "lldb/Core/DataBufferHeap.h" |
| #include "lldb/Core/Error.h" |
| #include "lldb/Core/Stream.h" |
| #include "lldb/Core/ValueObject.h" |
| #include "lldb/Core/ValueObjectConstResult.h" |
| #include "lldb/Host/Endian.h" |
| #include "lldb/Symbol/ClangASTContext.h" |
| #include "lldb/Target/ObjCLanguageRuntime.h" |
| #include "lldb/Target/Target.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace lldb_private::formatters; |
| |
| bool |
| lldb_private::formatters::ExtractValueFromObjCExpression (ValueObject &valobj, |
| const char* target_type, |
| const char* selector, |
| uint64_t &value) |
| { |
| if (!target_type || !*target_type) |
| return false; |
| if (!selector || !*selector) |
| return false; |
| StreamString expr; |
| expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector); |
| ExecutionContext exe_ctx (valobj.GetExecutionContextRef()); |
| lldb::ValueObjectSP result_sp; |
| Target* target = exe_ctx.GetTargetPtr(); |
| StackFrame* stack_frame = exe_ctx.GetFramePtr(); |
| if (!target || !stack_frame) |
| return false; |
| |
| EvaluateExpressionOptions options; |
| options.SetCoerceToId(false) |
| .SetUnwindOnError(true) |
| .SetKeepInMemory(true); |
| |
| target->EvaluateExpression(expr.GetData(), |
| stack_frame, |
| result_sp, |
| options); |
| if (!result_sp) |
| return false; |
| value = result_sp->GetValueAsUnsigned(0); |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::ExtractSummaryFromObjCExpression (ValueObject &valobj, |
| const char* target_type, |
| const char* selector, |
| Stream &stream) |
| { |
| if (!target_type || !*target_type) |
| return false; |
| if (!selector || !*selector) |
| return false; |
| StreamString expr; |
| expr.Printf("(%s)[(id)0x%" PRIx64 " %s]",target_type,valobj.GetPointerValue(),selector); |
| ExecutionContext exe_ctx (valobj.GetExecutionContextRef()); |
| lldb::ValueObjectSP result_sp; |
| Target* target = exe_ctx.GetTargetPtr(); |
| StackFrame* stack_frame = exe_ctx.GetFramePtr(); |
| if (!target || !stack_frame) |
| return false; |
| |
| EvaluateExpressionOptions options; |
| options.SetCoerceToId(false) |
| .SetUnwindOnError(true) |
| .SetKeepInMemory(true) |
| .SetUseDynamic(lldb::eDynamicCanRunTarget); |
| |
| target->EvaluateExpression(expr.GetData(), |
| stack_frame, |
| result_sp, |
| options); |
| if (!result_sp) |
| return false; |
| stream.Printf("%s",result_sp->GetSummaryAsCString()); |
| return true; |
| } |
| |
| lldb::ValueObjectSP |
| lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj, |
| const char* return_type, |
| const char* selector, |
| uint64_t index) |
| { |
| lldb::ValueObjectSP valobj_sp; |
| if (!return_type || !*return_type) |
| return valobj_sp; |
| if (!selector || !*selector) |
| return valobj_sp; |
| StreamString expr_path_stream; |
| valobj.GetExpressionPath(expr_path_stream, false); |
| StreamString expr; |
| expr.Printf("(%s)[%s %s:%" PRId64 "]",return_type,expr_path_stream.GetData(),selector,index); |
| ExecutionContext exe_ctx (valobj.GetExecutionContextRef()); |
| lldb::ValueObjectSP result_sp; |
| Target* target = exe_ctx.GetTargetPtr(); |
| StackFrame* stack_frame = exe_ctx.GetFramePtr(); |
| if (!target || !stack_frame) |
| return valobj_sp; |
| |
| EvaluateExpressionOptions options; |
| options.SetCoerceToId(false) |
| .SetUnwindOnError(true) |
| .SetKeepInMemory(true) |
| .SetUseDynamic(lldb::eDynamicCanRunTarget); |
| |
| target->EvaluateExpression(expr.GetData(), |
| stack_frame, |
| valobj_sp, |
| options); |
| return valobj_sp; |
| } |
| |
| lldb::ValueObjectSP |
| lldb_private::formatters::CallSelectorOnObject (ValueObject &valobj, |
| const char* return_type, |
| const char* selector, |
| const char* key) |
| { |
| lldb::ValueObjectSP valobj_sp; |
| if (!return_type || !*return_type) |
| return valobj_sp; |
| if (!selector || !*selector) |
| return valobj_sp; |
| if (!key || !*key) |
| return valobj_sp; |
| StreamString expr_path_stream; |
| valobj.GetExpressionPath(expr_path_stream, false); |
| StreamString expr; |
| expr.Printf("(%s)[%s %s:%s]",return_type,expr_path_stream.GetData(),selector,key); |
| ExecutionContext exe_ctx (valobj.GetExecutionContextRef()); |
| lldb::ValueObjectSP result_sp; |
| Target* target = exe_ctx.GetTargetPtr(); |
| StackFrame* stack_frame = exe_ctx.GetFramePtr(); |
| if (!target || !stack_frame) |
| return valobj_sp; |
| |
| EvaluateExpressionOptions options; |
| options.SetCoerceToId(false) |
| .SetUnwindOnError(true) |
| .SetKeepInMemory(true) |
| .SetUseDynamic(lldb::eDynamicCanRunTarget); |
| |
| target->EvaluateExpression(expr.GetData(), |
| stack_frame, |
| valobj_sp, |
| options); |
| return valobj_sp; |
| } |
| |
| // use this call if you already have an LLDB-side buffer for the data |
| template<typename SourceDataType> |
| static bool |
| DumpUTFBufferToStream (ConversionResult (*ConvertFunction) (const SourceDataType**, |
| const SourceDataType*, |
| UTF8**, |
| UTF8*, |
| ConversionFlags), |
| DataExtractor& data, |
| Stream& stream, |
| char prefix_token = '@', |
| char quote = '"', |
| int sourceSize = 0) |
| { |
| if (prefix_token != 0) |
| stream.Printf("%c",prefix_token); |
| if (quote != 0) |
| stream.Printf("%c",quote); |
| if (data.GetByteSize() && data.GetDataStart() && data.GetDataEnd()) |
| { |
| const int bufferSPSize = data.GetByteSize(); |
| if (sourceSize == 0) |
| { |
| const int origin_encoding = 8*sizeof(SourceDataType); |
| sourceSize = bufferSPSize/(origin_encoding / 4); |
| } |
| |
| SourceDataType *data_ptr = (SourceDataType*)data.GetDataStart(); |
| SourceDataType *data_end_ptr = data_ptr + sourceSize; |
| |
| while (data_ptr < data_end_ptr) |
| { |
| if (!*data_ptr) |
| { |
| data_end_ptr = data_ptr; |
| break; |
| } |
| data_ptr++; |
| } |
| |
| data_ptr = (SourceDataType*)data.GetDataStart(); |
| |
| lldb::DataBufferSP utf8_data_buffer_sp; |
| UTF8* utf8_data_ptr = nullptr; |
| UTF8* utf8_data_end_ptr = nullptr; |
| |
| if (ConvertFunction) |
| { |
| utf8_data_buffer_sp.reset(new DataBufferHeap(bufferSPSize,0)); |
| utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes(); |
| utf8_data_end_ptr = utf8_data_ptr + bufferSPSize; |
| ConvertFunction ( (const SourceDataType**)&data_ptr, data_end_ptr, &utf8_data_ptr, utf8_data_end_ptr, lenientConversion ); |
| utf8_data_ptr = (UTF8*)utf8_data_buffer_sp->GetBytes(); // needed because the ConvertFunction will change the value of the data_ptr |
| } |
| else |
| { |
| // just copy the pointers - the cast is necessary to make the compiler happy |
| // but this should only happen if we are reading UTF8 data |
| utf8_data_ptr = (UTF8*)data_ptr; |
| utf8_data_end_ptr = (UTF8*)data_end_ptr; |
| } |
| |
| // since we tend to accept partial data (and even partially malformed data) |
| // we might end up with no NULL terminator before the end_ptr |
| // hence we need to take a slower route and ensure we stay within boundaries |
| for (;utf8_data_ptr != utf8_data_end_ptr; utf8_data_ptr++) |
| { |
| if (!*utf8_data_ptr) |
| break; |
| stream.Printf("%c",*utf8_data_ptr); |
| } |
| } |
| if (quote != 0) |
| stream.Printf("%c",quote); |
| return true; |
| } |
| |
| template<typename SourceDataType> |
| static bool |
| ReadUTFBufferAndDumpToStream (ConversionResult (*ConvertFunction) (const SourceDataType**, |
| const SourceDataType*, |
| UTF8**, |
| UTF8*, |
| ConversionFlags), |
| uint64_t location, |
| const ProcessSP& process_sp, |
| Stream& stream, |
| char prefix_token = '@', |
| char quote = '"', |
| int sourceSize = 0) |
| { |
| if (location == 0 || location == LLDB_INVALID_ADDRESS) |
| return false; |
| if (!process_sp) |
| return false; |
| |
| const int origin_encoding = 8*sizeof(SourceDataType); |
| if (origin_encoding != 8 && origin_encoding != 16 && origin_encoding != 32) |
| return false; |
| // if not UTF8, I need a conversion function to return proper UTF8 |
| if (origin_encoding != 8 && !ConvertFunction) |
| return false; |
| |
| if (sourceSize == 0) |
| sourceSize = process_sp->GetTarget().GetMaximumSizeOfStringSummary(); |
| const int bufferSPSize = sourceSize * (origin_encoding >> 2); |
| |
| Error error; |
| lldb::DataBufferSP buffer_sp(new DataBufferHeap(bufferSPSize,0)); |
| |
| if (!buffer_sp->GetBytes()) |
| return false; |
| |
| size_t data_read = process_sp->ReadMemoryFromInferior(location, (char*)buffer_sp->GetBytes(), bufferSPSize, error); |
| if (error.Fail() || data_read == 0) |
| { |
| stream.Printf("unable to read data"); |
| return true; |
| } |
| |
| DataExtractor data(buffer_sp, process_sp->GetByteOrder(), process_sp->GetAddressByteSize()); |
| |
| return DumpUTFBufferToStream(ConvertFunction, data, stream, prefix_token, quote, sourceSize); |
| } |
| |
| bool |
| lldb_private::formatters::Char16StringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| if (!ReadUTFBufferAndDumpToStream<UTF16>(ConvertUTF16toUTF8,valobj_addr, |
| process_sp, |
| stream, |
| 'u')) |
| { |
| stream.Printf("Summary Unavailable"); |
| return true; |
| } |
| |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| if (!ReadUTFBufferAndDumpToStream<UTF32>(ConvertUTF32toUTF8,valobj_addr, |
| process_sp, |
| stream, |
| 'U')) |
| { |
| stream.Printf("Summary Unavailable"); |
| return true; |
| } |
| |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::WCharStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| lldb::addr_t data_addr = 0; |
| |
| if (valobj.IsPointerType()) |
| data_addr = valobj.GetValueAsUnsigned(0); |
| else if (valobj.IsArrayType()) |
| data_addr = valobj.GetAddressOf(); |
| |
| if (data_addr == 0 || data_addr == LLDB_INVALID_ADDRESS) |
| return false; |
| |
| clang::ASTContext* ast = valobj.GetClangAST(); |
| |
| if (!ast) |
| return false; |
| |
| uint32_t wchar_size = ClangASTType::GetClangTypeBitWidth(ast, ClangASTType::GetBasicType(ast, lldb::eBasicTypeWChar).GetOpaqueQualType()); |
| |
| switch (wchar_size) |
| { |
| case 8: |
| // utf 8 |
| return ReadUTFBufferAndDumpToStream<UTF8>(nullptr, data_addr, |
| process_sp, |
| stream, |
| 'L'); |
| case 16: |
| // utf 16 |
| return ReadUTFBufferAndDumpToStream<UTF16>(ConvertUTF16toUTF8, data_addr, |
| process_sp, |
| stream, |
| 'L'); |
| case 32: |
| // utf 32 |
| return ReadUTFBufferAndDumpToStream<UTF32>(ConvertUTF32toUTF8, data_addr, |
| process_sp, |
| stream, |
| 'L'); |
| default: |
| stream.Printf("size for wchar_t is not valid"); |
| return true; |
| } |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::Char16SummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| DataExtractor data; |
| valobj.GetData(data); |
| |
| std::string value; |
| valobj.GetValueAsCString(lldb::eFormatUnicode16, value); |
| if (!value.empty()) |
| stream.Printf("%s ", value.c_str()); |
| |
| return DumpUTFBufferToStream<UTF16>(ConvertUTF16toUTF8,data,stream, 'u','\'',1); |
| } |
| |
| bool |
| lldb_private::formatters::Char32SummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| DataExtractor data; |
| valobj.GetData(data); |
| |
| std::string value; |
| valobj.GetValueAsCString(lldb::eFormatUnicode32, value); |
| if (!value.empty()) |
| stream.Printf("%s ", value.c_str()); |
| |
| return DumpUTFBufferToStream<UTF32>(ConvertUTF32toUTF8,data,stream, 'U','\'',1); |
| } |
| |
| bool |
| lldb_private::formatters::WCharSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| DataExtractor data; |
| valobj.GetData(data); |
| |
| clang::ASTContext* ast = valobj.GetClangAST(); |
| |
| if (!ast) |
| return false; |
| |
| std::string value; |
| |
| uint32_t wchar_size = ClangASTType::GetClangTypeBitWidth(ast, ClangASTType::GetBasicType(ast, lldb::eBasicTypeWChar).GetOpaqueQualType()); |
| |
| switch (wchar_size) |
| { |
| case 8: |
| // utf 8 |
| valobj.GetValueAsCString(lldb::eFormatChar, value); |
| if (!value.empty()) |
| stream.Printf("%s ", value.c_str()); |
| return DumpUTFBufferToStream<UTF8>(nullptr, |
| data, |
| stream, |
| 'L', |
| '\'', |
| 1); |
| case 16: |
| // utf 16 |
| valobj.GetValueAsCString(lldb::eFormatUnicode16, value); |
| if (!value.empty()) |
| stream.Printf("%s ", value.c_str()); |
| return DumpUTFBufferToStream<UTF16>(ConvertUTF16toUTF8, |
| data, |
| stream, |
| 'L', |
| '\'', |
| 1); |
| case 32: |
| // utf 32 |
| valobj.GetValueAsCString(lldb::eFormatUnicode32, value); |
| if (!value.empty()) |
| stream.Printf("%s ", value.c_str()); |
| return DumpUTFBufferToStream<UTF32>(ConvertUTF32toUTF8, |
| data, |
| stream, |
| 'L', |
| '\'', |
| 1); |
| default: |
| stream.Printf("size for wchar_t is not valid"); |
| return true; |
| } |
| return true; |
| } |
| |
| // this function extracts information from a libcxx std::basic_string<> |
| // irregardless of template arguments. it reports the size (in item count not bytes) |
| // and the location in memory where the string data can be found |
| static bool |
| ExtractLibcxxStringInfo (ValueObject& valobj, |
| ValueObjectSP &location_sp, |
| uint64_t& size) |
| { |
| ValueObjectSP D(valobj.GetChildAtIndexPath({0,0,0,0})); |
| if (!D) |
| return false; |
| |
| ValueObjectSP size_mode(D->GetChildAtIndexPath({1,0,0})); |
| if (!size_mode) |
| return false; |
| |
| uint64_t size_mode_value(size_mode->GetValueAsUnsigned(0)); |
| |
| if ((size_mode_value & 1) == 0) // this means the string is in short-mode and the data is stored inline |
| { |
| ValueObjectSP s(D->GetChildAtIndex(1, true)); |
| if (!s) |
| return false; |
| size = ((size_mode_value >> 1) % 256); |
| location_sp = s->GetChildAtIndex(1, true); |
| return (location_sp.get() != nullptr); |
| } |
| else |
| { |
| ValueObjectSP l(D->GetChildAtIndex(0, true)); |
| if (!l) |
| return false; |
| location_sp = l->GetChildAtIndex(2, true); |
| ValueObjectSP size_vo(l->GetChildAtIndex(1, true)); |
| if (!size_vo || !location_sp) |
| return false; |
| size = size_vo->GetValueAsUnsigned(0); |
| return true; |
| } |
| } |
| |
| bool |
| lldb_private::formatters::LibcxxWStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| uint64_t size = 0; |
| ValueObjectSP location_sp((ValueObject*)nullptr); |
| if (!ExtractLibcxxStringInfo(valobj, location_sp, size)) |
| return false; |
| if (size == 0) |
| { |
| stream.Printf("L\"\""); |
| return true; |
| } |
| if (!location_sp) |
| return false; |
| return WCharStringSummaryProvider(*location_sp.get(), stream); |
| } |
| |
| bool |
| lldb_private::formatters::LibcxxStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| uint64_t size = 0; |
| ValueObjectSP location_sp((ValueObject*)nullptr); |
| if (!ExtractLibcxxStringInfo(valobj, location_sp, size)) |
| return false; |
| if (size == 0) |
| { |
| stream.Printf("\"\""); |
| return true; |
| } |
| if (!location_sp) |
| return false; |
| Error error; |
| if (location_sp->ReadPointedString(stream, |
| error, |
| 0, // max length is decided by the settings |
| false) == 0) // do not honor array (terminates on first 0 byte even for a char[]) |
| stream.Printf("\"\""); // if nothing was read, print an empty string |
| return error.Success(); |
| } |
| |
| template<bool needs_at> |
| bool |
| lldb_private::formatters::NSDataSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| |
| if (!runtime) |
| return false; |
| |
| ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| |
| if (!descriptor.get() || !descriptor->IsValid()) |
| return false; |
| |
| bool is_64bit = (process_sp->GetAddressByteSize() == 8); |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| uint64_t value = 0; |
| |
| const char* class_name = descriptor->GetClassName().GetCString(); |
| |
| if (!class_name || !*class_name) |
| return false; |
| |
| if (!strcmp(class_name,"NSConcreteData") || |
| !strcmp(class_name,"NSConcreteMutableData") || |
| !strcmp(class_name,"__NSCFData")) |
| { |
| uint32_t offset = (is_64bit ? 16 : 8); |
| Error error; |
| value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + offset, is_64bit ? 8 : 4, 0, error); |
| if (error.Fail()) |
| return false; |
| } |
| else |
| { |
| if (!ExtractValueFromObjCExpression(valobj, "int", "length", value)) |
| return false; |
| } |
| |
| stream.Printf("%s%" PRIu64 " byte%s%s", |
| (needs_at ? "@\"" : ""), |
| value, |
| (value > 1 ? "s" : ""), |
| (needs_at ? "\"" : "")); |
| |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::NSNumberSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| |
| if (!runtime) |
| return false; |
| |
| ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| |
| if (!descriptor.get() || !descriptor->IsValid()) |
| return false; |
| |
| uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| const char* class_name = descriptor->GetClassName().GetCString(); |
| |
| if (!class_name || !*class_name) |
| return false; |
| |
| if (!strcmp(class_name,"NSNumber") || !strcmp(class_name,"__NSCFNumber")) |
| { |
| if (descriptor->IsTagged()) |
| { |
| // we have a call to get info and value bits in the tagged descriptor. but we prefer not to cast and replicate them |
| int64_t value = (valobj_addr & ~0x0000000000000000FFL) >> 8; |
| uint64_t i_bits = (valobj_addr & 0xF0) >> 4; |
| |
| switch (i_bits) |
| { |
| case 0: |
| stream.Printf("(char)%hhd",(char)value); |
| break; |
| case 4: |
| stream.Printf("(short)%hd",(short)value); |
| break; |
| case 8: |
| stream.Printf("(int)%d",(int)value); |
| break; |
| case 12: |
| stream.Printf("(long)%" PRId64,value); |
| break; |
| default: |
| stream.Printf("unexpected value:(info=%" PRIu64 ", value=%" PRIu64,i_bits,value); |
| break; |
| } |
| return true; |
| } |
| else |
| { |
| Error error; |
| uint8_t data_type = (process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, 1, 0, error) & 0x1F); |
| uint64_t data_location = valobj_addr + 2*ptr_size; |
| uint64_t value = 0; |
| if (error.Fail()) |
| return false; |
| switch (data_type) |
| { |
| case 1: // 0B00001 |
| value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 1, 0, error); |
| if (error.Fail()) |
| return false; |
| stream.Printf("(char)%hhd",(char)value); |
| break; |
| case 2: // 0B0010 |
| value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 2, 0, error); |
| if (error.Fail()) |
| return false; |
| stream.Printf("(short)%hd",(short)value); |
| break; |
| case 3: // 0B0011 |
| value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0, error); |
| if (error.Fail()) |
| return false; |
| stream.Printf("(int)%d",(int)value); |
| break; |
| case 17: // 0B10001 |
| data_location += 8; |
| case 4: // 0B0100 |
| value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0, error); |
| if (error.Fail()) |
| return false; |
| stream.Printf("(long)%" PRId64,value); |
| break; |
| case 5: // 0B0101 |
| { |
| uint32_t flt_as_int = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0, error); |
| if (error.Fail()) |
| return false; |
| float flt_value = *((float*)&flt_as_int); |
| stream.Printf("(float)%f",flt_value); |
| break; |
| } |
| case 6: // 0B0110 |
| { |
| uint64_t dbl_as_lng = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0, error); |
| if (error.Fail()) |
| return false; |
| double dbl_value = *((double*)&dbl_as_lng); |
| stream.Printf("(double)%g",dbl_value); |
| break; |
| } |
| default: |
| stream.Printf("absurd: dt=%d",data_type); |
| break; |
| } |
| return true; |
| } |
| } |
| else |
| { |
| return ExtractSummaryFromObjCExpression(valobj, "NSString*", "stringValue", stream); |
| } |
| } |
| |
| bool |
| lldb_private::formatters::NSStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| |
| if (!runtime) |
| return false; |
| |
| ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| |
| if (!descriptor.get() || !descriptor->IsValid()) |
| return false; |
| |
| uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| const char* class_name = descriptor->GetClassName().GetCString(); |
| |
| if (!class_name || !*class_name) |
| return false; |
| |
| uint64_t info_bits_location = valobj_addr + ptr_size; |
| if (process_sp->GetByteOrder() != lldb::eByteOrderLittle) |
| info_bits_location += 3; |
| |
| Error error; |
| |
| uint8_t info_bits = process_sp->ReadUnsignedIntegerFromMemory(info_bits_location, 1, 0, error); |
| if (error.Fail()) |
| return false; |
| |
| bool is_mutable = (info_bits & 1) == 1; |
| bool is_inline = (info_bits & 0x60) == 0; |
| bool has_explicit_length = (info_bits & (1 | 4)) != 4; |
| bool is_unicode = (info_bits & 0x10) == 0x10; |
| bool is_special = strcmp(class_name,"NSPathStore2") == 0; |
| |
| if (strcmp(class_name,"NSString") && |
| strcmp(class_name,"CFStringRef") && |
| strcmp(class_name,"CFMutableStringRef") && |
| strcmp(class_name,"__NSCFConstantString") && |
| strcmp(class_name,"__NSCFString") && |
| strcmp(class_name,"NSCFConstantString") && |
| strcmp(class_name,"NSCFString") && |
| strcmp(class_name,"NSPathStore2")) |
| { |
| // probably not one of us - bail out |
| return false; |
| } |
| |
| if (is_mutable) |
| { |
| uint64_t location = 2 * ptr_size + valobj_addr; |
| location = process_sp->ReadPointerFromMemory(location, error); |
| if (error.Fail()) |
| return false; |
| if (has_explicit_length and is_unicode) |
| return ReadUTFBufferAndDumpToStream<UTF16> (ConvertUTF16toUTF8,location, process_sp, stream, '@'); |
| else |
| { |
| location++; |
| lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024,0)); |
| size_t data_read = process_sp->ReadCStringFromMemory(location, (char*)buffer_sp->GetBytes(), 1024, error); |
| if (error.Fail()) |
| return false; |
| if (data_read) |
| stream.Printf("@\"%s\"",(char*)buffer_sp->GetBytes()); |
| return true; |
| } |
| } |
| else if (is_inline && has_explicit_length && !is_unicode && !is_special && !is_mutable) |
| { |
| uint64_t location = 3 * ptr_size + valobj_addr; |
| lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024,0)); |
| size_t data_read = process_sp->ReadCStringFromMemory(location, (char*)buffer_sp->GetBytes(), 1024, error); |
| if (error.Fail()) |
| return false; |
| if (data_read) |
| stream.Printf("@\"%s\"",(char*)buffer_sp->GetBytes()); |
| return true; |
| } |
| else if (is_unicode) |
| { |
| uint64_t location = valobj_addr + ptr_size + 4 + (ptr_size == 8 ? 4 : 0); |
| if (is_inline) |
| { |
| if (!has_explicit_length) |
| { |
| stream.Printf("found new combo"); |
| return true; |
| } |
| else |
| location += ptr_size; |
| } |
| else |
| { |
| location = process_sp->ReadPointerFromMemory(location, error); |
| if (error.Fail()) |
| return false; |
| } |
| return ReadUTFBufferAndDumpToStream<UTF16> (ConvertUTF16toUTF8, location, process_sp, stream, '@'); |
| } |
| else if (is_special) |
| { |
| uint64_t location = valobj_addr + (ptr_size == 8 ? 12 : 8); |
| return ReadUTFBufferAndDumpToStream<UTF16> (ConvertUTF16toUTF8, location, process_sp, stream, '@'); |
| } |
| else if (is_inline) |
| { |
| uint64_t location = valobj_addr + ptr_size + 4 + (ptr_size == 8 ? 4 : 0); |
| if (!has_explicit_length) |
| location++; |
| lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024,0)); |
| size_t data_read = process_sp->ReadCStringFromMemory(location, (char*)buffer_sp->GetBytes(), 1024, error); |
| if (error.Fail()) |
| return false; |
| if (data_read) |
| stream.Printf("@\"%s\"",(char*)buffer_sp->GetBytes()); |
| return true; |
| } |
| else |
| { |
| uint64_t location = valobj_addr + ptr_size + 4 + (ptr_size == 8 ? 4 : 0); |
| location = process_sp->ReadPointerFromMemory(location, error); |
| if (error.Fail()) |
| return false; |
| lldb::DataBufferSP buffer_sp(new DataBufferHeap(1024,0)); |
| size_t data_read = process_sp->ReadCStringFromMemory(location, (char*)buffer_sp->GetBytes(), 1024, error); |
| if (error.Fail()) |
| return false; |
| if (data_read) |
| stream.Printf("@\"%s\"",(char*)buffer_sp->GetBytes()); |
| return true; |
| } |
| |
| stream.Printf("class name = %s",class_name); |
| return true; |
| |
| } |
| |
| bool |
| lldb_private::formatters::NSAttributedStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| TargetSP target_sp(valobj.GetTargetSP()); |
| if (!target_sp) |
| return false; |
| uint32_t addr_size = target_sp->GetArchitecture().GetAddressByteSize(); |
| uint64_t pointee = valobj.GetValueAsUnsigned(0); |
| if (!pointee) |
| return false; |
| pointee += addr_size; |
| ClangASTType type(valobj.GetClangAST(),valobj.GetClangType()); |
| ExecutionContext exe_ctx(target_sp,false); |
| ValueObjectSP child_ptr_sp(valobj.CreateValueObjectFromAddress("string_ptr", pointee, exe_ctx, type)); |
| if (!child_ptr_sp) |
| return false; |
| DataExtractor data; |
| child_ptr_sp->GetData(data); |
| ValueObjectSP child_sp(child_ptr_sp->CreateValueObjectFromData("string_data", data, exe_ctx, type)); |
| child_sp->GetValueAsUnsigned(0); |
| if (child_sp) |
| return NSStringSummaryProvider(*child_sp, stream); |
| return false; |
| } |
| |
| bool |
| lldb_private::formatters::NSMutableAttributedStringSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| return NSAttributedStringSummaryProvider(valobj, stream); |
| } |
| |
| bool |
| lldb_private::formatters::RuntimeSpecificDescriptionSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| stream.Printf("%s",valobj.GetObjectDescription()); |
| return true; |
| } |
| |
| bool |
| lldb_private::formatters::NSURLSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| ProcessSP process_sp = valobj.GetProcessSP(); |
| if (!process_sp) |
| return false; |
| |
| ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); |
| |
| if (!runtime) |
| return false; |
| |
| ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); |
| |
| if (!descriptor.get() || !descriptor->IsValid()) |
| return false; |
| |
| uint32_t ptr_size = process_sp->GetAddressByteSize(); |
| |
| lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); |
| |
| if (!valobj_addr) |
| return false; |
| |
| const char* class_name = descriptor->GetClassName().GetCString(); |
| |
| if (!class_name || !*class_name) |
| return false; |
| |
| if (strcmp(class_name, "NSURL") == 0) |
| { |
| uint64_t offset_text = ptr_size + ptr_size + 8; // ISA + pointer + 8 bytes of data (even on 32bit) |
| uint64_t offset_base = offset_text + ptr_size; |
| ClangASTType type(valobj.GetClangAST(),valobj.GetClangType()); |
| ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset_text, type, true)); |
| ValueObjectSP base(valobj.GetSyntheticChildAtOffset(offset_base, type, true)); |
| if (!text) |
| return false; |
| if (text->GetValueAsUnsigned(0) == 0) |
| return false; |
| StreamString summary; |
| if (!NSStringSummaryProvider(*text, summary)) |
| return false; |
| if (base && base->GetValueAsUnsigned(0)) |
| { |
| if (summary.GetSize() > 0) |
| summary.GetString().resize(summary.GetSize()-1); |
| summary.Printf(" -- "); |
| StreamString base_summary; |
| if (NSURLSummaryProvider(*base, base_summary) && base_summary.GetSize() > 0) |
| summary.Printf("%s",base_summary.GetSize() > 2 ? base_summary.GetData() + 2 : base_summary.GetData()); |
| } |
| if (summary.GetSize()) |
| { |
| stream.Printf("%s",summary.GetData()); |
| return true; |
| } |
| } |
| else |
| { |
| return ExtractSummaryFromObjCExpression(valobj, "NSString*", "description", stream); |
| } |
| return false; |
| } |
| |
| bool |
| lldb_private::formatters::ObjCBOOLSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| const uint32_t type_info = ClangASTContext::GetTypeInfo(valobj.GetClangType(), |
| valobj.GetClangAST(), |
| NULL); |
| |
| ValueObjectSP real_guy_sp = valobj.GetSP(); |
| |
| if (type_info & ClangASTContext::eTypeIsPointer) |
| { |
| Error err; |
| real_guy_sp = valobj.Dereference(err); |
| if (err.Fail() || !real_guy_sp) |
| return false; |
| } |
| else if (type_info & ClangASTContext::eTypeIsReference) |
| { |
| real_guy_sp = valobj.GetChildAtIndex(0, true); |
| if (!real_guy_sp) |
| return false; |
| } |
| uint64_t value = real_guy_sp->GetValueAsUnsigned(0); |
| if (value == 0) |
| { |
| stream.Printf("NO"); |
| return true; |
| } |
| stream.Printf("YES"); |
| return true; |
| } |
| |
| template <bool is_sel_ptr> |
| bool |
| lldb_private::formatters::ObjCSELSummaryProvider (ValueObject& valobj, Stream& stream) |
| { |
| lldb::ValueObjectSP valobj_sp; |
| |
| if (!valobj.GetClangAST()) |
| return false; |
| void* char_opaque_type = valobj.GetClangAST()->CharTy.getAsOpaquePtr(); |
| if (!char_opaque_type) |
| return false; |
| ClangASTType charstar(valobj.GetClangAST(),ClangASTType::GetPointerType(valobj.GetClangAST(), char_opaque_type)); |
| |
| ExecutionContext exe_ctx(valobj.GetExecutionContextRef()); |
| |
| if (is_sel_ptr) |
| { |
| lldb::addr_t data_address = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS); |
| if (data_address == LLDB_INVALID_ADDRESS) |
| return false; |
| valobj_sp = ValueObject::CreateValueObjectFromAddress("text", data_address, exe_ctx, charstar); |
| } |
| else |
| { |
| DataExtractor data; |
| valobj.GetData(data); |
| valobj_sp = ValueObject::CreateValueObjectFromData("text", data, exe_ctx, charstar); |
| } |
| |
| if (!valobj_sp) |
| return false; |
| |
| stream.Printf("%s",valobj_sp->GetSummaryAsCString()); |
| return true; |
| } |
| |
| size_t |
| lldb_private::formatters::ExtractIndexFromString (const char* item_name) |
| { |
| if (!item_name || !*item_name) |
| return UINT32_MAX; |
| if (*item_name != '[') |
| return UINT32_MAX; |
| item_name++; |
| char* endptr = NULL; |
| unsigned long int idx = ::strtoul(item_name, &endptr, 0); |
| if (idx == 0 && endptr == item_name) |
| return UINT32_MAX; |
| if (idx == ULONG_MAX) |
| return UINT32_MAX; |
| return idx; |
| } |
| |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::VectorIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp, |
| ConstString item_name) : |
| SyntheticChildrenFrontEnd(*valobj_sp.get()), |
| m_exe_ctx_ref(), |
| m_item_name(item_name), |
| m_item_sp() |
| { |
| if (valobj_sp) |
| Update(); |
| } |
| |
| bool |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::Update() |
| { |
| ValueObjectSP valobj_sp = m_backend.GetSP(); |
| if (!valobj_sp) |
| return false; |
| |
| if (!valobj_sp) |
| return false; |
| |
| ValueObjectSP item_ptr(valobj_sp->GetChildMemberWithName(m_item_name,true)); |
| if (!item_ptr) |
| return false; |
| if (item_ptr->GetValueAsUnsigned(0) == 0) |
| return false; |
| Error err; |
| m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); |
| m_item_sp = ValueObject::CreateValueObjectFromAddress("item", item_ptr->GetValueAsUnsigned(0), m_exe_ctx_ref, ClangASTType(item_ptr->GetClangAST(),ClangASTType::GetPointeeType(item_ptr->GetClangType()))); |
| if (err.Fail()) |
| m_item_sp.reset(); |
| return (m_item_sp.get() != NULL); |
| } |
| |
| size_t |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::CalculateNumChildren () |
| { |
| return 1; |
| } |
| |
| lldb::ValueObjectSP |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::GetChildAtIndex (size_t idx) |
| { |
| if (idx == 0) |
| return m_item_sp; |
| return lldb::ValueObjectSP(); |
| } |
| |
| bool |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::MightHaveChildren () |
| { |
| return true; |
| } |
| |
| size_t |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) |
| { |
| if (name == ConstString("item")) |
| return 0; |
| return UINT32_MAX; |
| } |
| |
| lldb_private::formatters::VectorIteratorSyntheticFrontEnd::~VectorIteratorSyntheticFrontEnd () |
| { |
| } |
| |
| template bool |
| lldb_private::formatters::NSDataSummaryProvider<true> (ValueObject&, Stream&) ; |
| |
| template bool |
| lldb_private::formatters::NSDataSummaryProvider<false> (ValueObject&, Stream&) ; |
| |
| template bool |
| lldb_private::formatters::ObjCSELSummaryProvider<true> (ValueObject&, Stream&) ; |
| |
| template bool |
| lldb_private::formatters::ObjCSELSummaryProvider<false> (ValueObject&, Stream&) ; |