1037 lines
31 KiB
C++
1037 lines
31 KiB
C++
//===-- Cocoa.cpp -----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "Cocoa.h"
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#include "lldb/Core/Mangled.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Core/ValueObjectConstResult.h"
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#include "lldb/DataFormatters/FormattersHelpers.h"
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#include "lldb/DataFormatters/StringPrinter.h"
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#include "lldb/DataFormatters/TypeSummary.h"
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#include "lldb/Host/Time.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Target/Language.h"
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#include "lldb/Target/ObjCLanguageRuntime.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/ProcessStructReader.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/DataBufferHeap.h"
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#include "lldb/Utility/Endian.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/Stream.h"
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#include "llvm/ADT/APInt.h"
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#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h"
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#include "NSString.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::formatters;
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bool lldb_private::formatters::NSBundleSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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if (!strcmp(class_name, "NSBundle")) {
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uint64_t offset = 5 * ptr_size;
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ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
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offset,
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valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeObjCID),
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true));
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StreamString summary_stream;
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bool was_nsstring_ok =
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NSStringSummaryProvider(*text, summary_stream, options);
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if (was_nsstring_ok && summary_stream.GetSize() > 0) {
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stream.Printf("%s", summary_stream.GetData());
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return true;
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}
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}
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return false;
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}
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bool lldb_private::formatters::NSTimeZoneSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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if (!strcmp(class_name, "__NSTimeZone")) {
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uint64_t offset = ptr_size;
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ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
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offset, valobj.GetCompilerType(), true));
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StreamString summary_stream;
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bool was_nsstring_ok =
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NSStringSummaryProvider(*text, summary_stream, options);
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if (was_nsstring_ok && summary_stream.GetSize() > 0) {
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stream.Printf("%s", summary_stream.GetData());
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return true;
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}
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}
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return false;
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}
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bool lldb_private::formatters::NSNotificationSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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if (!strcmp(class_name, "NSConcreteNotification")) {
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uint64_t offset = ptr_size;
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ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
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offset, valobj.GetCompilerType(), true));
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StreamString summary_stream;
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bool was_nsstring_ok =
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NSStringSummaryProvider(*text, summary_stream, options);
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if (was_nsstring_ok && summary_stream.GetSize() > 0) {
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stream.Printf("%s", summary_stream.GetData());
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return true;
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}
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}
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return false;
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}
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bool lldb_private::formatters::NSMachPortSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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uint64_t port_number = 0;
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if (!strcmp(class_name, "NSMachPort")) {
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uint64_t offset = (ptr_size == 4 ? 12 : 20);
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Status error;
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port_number = process_sp->ReadUnsignedIntegerFromMemory(
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offset + valobj_addr, 4, 0, error);
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if (error.Success()) {
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stream.Printf("mach port: %u",
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(uint32_t)(port_number & 0x00000000FFFFFFFF));
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return true;
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}
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}
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return false;
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}
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bool lldb_private::formatters::NSIndexSetSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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uint64_t count = 0;
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do {
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if (!strcmp(class_name, "NSIndexSet") ||
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!strcmp(class_name, "NSMutableIndexSet")) {
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Status error;
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uint32_t mode = process_sp->ReadUnsignedIntegerFromMemory(
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valobj_addr + ptr_size, 4, 0, error);
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if (error.Fail())
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return false;
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// this means the set is empty - count = 0
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if ((mode & 1) == 1) {
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count = 0;
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break;
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}
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if ((mode & 2) == 2)
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mode = 1; // this means the set only has one range
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else
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mode = 2; // this means the set has multiple ranges
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if (mode == 1) {
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count = process_sp->ReadUnsignedIntegerFromMemory(
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valobj_addr + 3 * ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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} else {
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// read a pointer to the data at 2*ptr_size
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count = process_sp->ReadUnsignedIntegerFromMemory(
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valobj_addr + 2 * ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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// read the data at 2*ptr_size from the first location
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count = process_sp->ReadUnsignedIntegerFromMemory(count + 2 * ptr_size,
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ptr_size, 0, error);
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if (error.Fail())
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return false;
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}
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} else
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return false;
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} while (false);
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stream.Printf("%" PRIu64 " index%s", count, (count == 1 ? "" : "es"));
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return true;
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}
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static void NSNumber_FormatChar(ValueObject &valobj, Stream &stream, char value,
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lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:char");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%hhd%s", prefix.c_str(), value, suffix.c_str());
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}
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static void NSNumber_FormatShort(ValueObject &valobj, Stream &stream,
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short value, lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:short");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%hd%s", prefix.c_str(), value, suffix.c_str());
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}
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static void NSNumber_FormatInt(ValueObject &valobj, Stream &stream, int value,
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lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:int");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%d%s", prefix.c_str(), value, suffix.c_str());
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}
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static void NSNumber_FormatLong(ValueObject &valobj, Stream &stream,
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uint64_t value, lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:long");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%" PRId64 "%s", prefix.c_str(), value, suffix.c_str());
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}
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static void NSNumber_FormatInt128(ValueObject &valobj, Stream &stream,
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const llvm::APInt &value,
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lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:int128_t");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.PutCString(prefix.c_str());
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const int radix = 10;
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const bool isSigned = true;
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std::string str = value.toString(radix, isSigned);
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stream.PutCString(str.c_str());
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stream.PutCString(suffix.c_str());
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}
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static void NSNumber_FormatFloat(ValueObject &valobj, Stream &stream,
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float value, lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:float");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%f%s", prefix.c_str(), value, suffix.c_str());
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}
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static void NSNumber_FormatDouble(ValueObject &valobj, Stream &stream,
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double value, lldb::LanguageType lang) {
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static ConstString g_TypeHint("NSNumber:double");
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std::string prefix, suffix;
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if (Language *language = Language::FindPlugin(lang)) {
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if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
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suffix)) {
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prefix.clear();
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suffix.clear();
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}
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}
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stream.Printf("%s%g%s", prefix.c_str(), value, suffix.c_str());
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}
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bool lldb_private::formatters::NSNumberSummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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ProcessSP process_sp = valobj.GetProcessSP();
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if (!process_sp)
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return false;
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ObjCLanguageRuntime *runtime =
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(ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
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lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetClassDescriptor(valobj));
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if (!descriptor || !descriptor->IsValid())
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return false;
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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if (!valobj_addr)
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return false;
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const char *class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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if (!strcmp(class_name, "__NSCFBoolean"))
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return ObjCBooleanSummaryProvider(valobj, stream, options);
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if (!strcmp(class_name, "NSNumber") || !strcmp(class_name, "__NSCFNumber")) {
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uint64_t value = 0;
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uint64_t i_bits = 0;
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if (descriptor->GetTaggedPointerInfo(&i_bits, &value)) {
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switch (i_bits) {
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case 0:
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NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
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break;
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case 1:
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case 4:
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NSNumber_FormatShort(valobj, stream, (short)value,
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options.GetLanguage());
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break;
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case 2:
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case 8:
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NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
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break;
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case 3:
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case 12:
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NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
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break;
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default:
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return false;
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}
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return true;
|
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} else {
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Status error;
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AppleObjCRuntime *runtime =
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llvm::dyn_cast_or_null<AppleObjCRuntime>(
|
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process_sp->GetObjCLanguageRuntime());
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const bool new_format =
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(runtime && runtime->GetFoundationVersion() >= 1400);
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enum class TypeCodes : int {
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sint8 = 0x0,
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sint16 = 0x1,
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sint32 = 0x2,
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sint64 = 0x3,
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f32 = 0x4,
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f64 = 0x5,
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sint128 = 0x6
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};
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uint64_t data_location = valobj_addr + 2 * ptr_size;
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TypeCodes type_code;
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if (new_format) {
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uint64_t cfinfoa =
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process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
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ptr_size, 0, error);
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if (error.Fail())
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return false;
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bool is_preserved_number = cfinfoa & 0x8;
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if (is_preserved_number) {
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lldbassert(!static_cast<bool>("We should handle preserved numbers!"));
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return false;
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}
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type_code = static_cast<TypeCodes>(cfinfoa & 0x7);
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} else {
|
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uint8_t data_type =
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process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, 1,
|
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0, error) & 0x1F;
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|
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if (error.Fail())
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return false;
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|
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switch (data_type) {
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case 1: type_code = TypeCodes::sint8; break;
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case 2: type_code = TypeCodes::sint16; break;
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case 3: type_code = TypeCodes::sint32; break;
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case 17: data_location += 8; LLVM_FALLTHROUGH;
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case 4: type_code = TypeCodes::sint64; break;
|
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case 5: type_code = TypeCodes::f32; break;
|
|
case 6: type_code = TypeCodes::f64; break;
|
|
default: return false;
|
|
}
|
|
}
|
|
|
|
uint64_t value = 0;
|
|
bool success = false;
|
|
switch (type_code) {
|
|
case TypeCodes::sint8:
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 1, 0,
|
|
error);
|
|
if (error.Fail())
|
|
return false;
|
|
NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
case TypeCodes::sint16:
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 2, 0,
|
|
error);
|
|
if (error.Fail())
|
|
return false;
|
|
NSNumber_FormatShort(valobj, stream, (short)value,
|
|
options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
case TypeCodes::sint32:
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0,
|
|
error);
|
|
if (error.Fail())
|
|
return false;
|
|
NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
case TypeCodes::sint64:
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0,
|
|
error);
|
|
if (error.Fail())
|
|
return false;
|
|
NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
case TypeCodes::f32:
|
|
{
|
|
uint32_t flt_as_int = process_sp->ReadUnsignedIntegerFromMemory(
|
|
data_location, 4, 0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
float flt_value = 0.0f;
|
|
memcpy(&flt_value, &flt_as_int, sizeof(flt_as_int));
|
|
NSNumber_FormatFloat(valobj, stream, flt_value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
}
|
|
case TypeCodes::f64:
|
|
{
|
|
uint64_t dbl_as_lng = process_sp->ReadUnsignedIntegerFromMemory(
|
|
data_location, 8, 0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
double dbl_value = 0.0;
|
|
memcpy(&dbl_value, &dbl_as_lng, sizeof(dbl_as_lng));
|
|
NSNumber_FormatDouble(valobj, stream, dbl_value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
}
|
|
case TypeCodes::sint128: // internally, this is the same
|
|
{
|
|
uint64_t words[2];
|
|
words[1] = process_sp->ReadUnsignedIntegerFromMemory(
|
|
data_location, 8, 0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
words[0] = process_sp->ReadUnsignedIntegerFromMemory(
|
|
data_location + 8, 8, 0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
llvm::APInt i128_value(128, words);
|
|
NSNumber_FormatInt128(valobj, stream, i128_value, options.GetLanguage());
|
|
success = true;
|
|
break;
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool lldb_private::formatters::NSURLSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
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 || !descriptor->IsValid())
|
|
return false;
|
|
|
|
uint32_t ptr_size = process_sp->GetAddressByteSize();
|
|
|
|
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
|
|
|
|
if (!valobj_addr)
|
|
return false;
|
|
|
|
llvm::StringRef class_name = descriptor->GetClassName().GetStringRef();
|
|
|
|
if (!class_name.equals("NSURL"))
|
|
return false;
|
|
|
|
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;
|
|
CompilerType type(valobj.GetCompilerType());
|
|
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, options))
|
|
return false;
|
|
if (base && base->GetValueAsUnsigned(0)) {
|
|
std::string summary_str = summary.GetString();
|
|
|
|
if (!summary_str.empty())
|
|
summary_str.pop_back();
|
|
summary_str += " -- ";
|
|
StreamString base_summary;
|
|
if (NSURLSummaryProvider(*base, base_summary, options) &&
|
|
!base_summary.Empty()) {
|
|
llvm::StringRef base_str = base_summary.GetString();
|
|
if (base_str.size() > 2)
|
|
base_str = base_str.drop_front(2);
|
|
summary_str += base_str;
|
|
}
|
|
summary.Clear();
|
|
summary.PutCString(summary_str);
|
|
}
|
|
if (!summary.Empty()) {
|
|
stream.PutCString(summary.GetString());
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool lldb_private::formatters::NSDateSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
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 || !descriptor->IsValid())
|
|
return false;
|
|
|
|
uint32_t ptr_size = process_sp->GetAddressByteSize();
|
|
|
|
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
|
|
|
|
if (!valobj_addr)
|
|
return false;
|
|
|
|
uint64_t date_value_bits = 0;
|
|
double date_value = 0.0;
|
|
|
|
ConstString class_name = descriptor->GetClassName();
|
|
|
|
static const ConstString g_NSDate("NSDate");
|
|
static const ConstString g___NSDate("__NSDate");
|
|
static const ConstString g___NSTaggedDate("__NSTaggedDate");
|
|
static const ConstString g_NSCalendarDate("NSCalendarDate");
|
|
|
|
if (class_name.IsEmpty())
|
|
return false;
|
|
|
|
if ((class_name == g_NSDate) || (class_name == g___NSDate) ||
|
|
(class_name == g___NSTaggedDate)) {
|
|
uint64_t info_bits = 0, value_bits = 0;
|
|
if (descriptor->GetTaggedPointerInfo(&info_bits, &value_bits)) {
|
|
date_value_bits = ((value_bits << 8) | (info_bits << 4));
|
|
memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
|
|
} else {
|
|
llvm::Triple triple(
|
|
process_sp->GetTarget().GetArchitecture().GetTriple());
|
|
uint32_t delta =
|
|
(triple.isWatchOS() && triple.isWatchABI()) ? 8 : ptr_size;
|
|
Status error;
|
|
date_value_bits = process_sp->ReadUnsignedIntegerFromMemory(
|
|
valobj_addr + delta, 8, 0, error);
|
|
memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
|
|
if (error.Fail())
|
|
return false;
|
|
}
|
|
} else if (class_name == g_NSCalendarDate) {
|
|
Status error;
|
|
date_value_bits = process_sp->ReadUnsignedIntegerFromMemory(
|
|
valobj_addr + 2 * ptr_size, 8, 0, error);
|
|
memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
|
|
if (error.Fail())
|
|
return false;
|
|
} else
|
|
return false;
|
|
|
|
if (date_value == -63114076800) {
|
|
stream.Printf("0001-12-30 00:00:00 +0000");
|
|
return true;
|
|
}
|
|
// this snippet of code assumes that time_t == seconds since Jan-1-1970
|
|
// this is generally true and POSIXly happy, but might break if a library
|
|
// vendor decides to get creative
|
|
time_t epoch = GetOSXEpoch();
|
|
epoch = epoch + (time_t)date_value;
|
|
tm *tm_date = gmtime(&epoch);
|
|
if (!tm_date)
|
|
return false;
|
|
std::string buffer(1024, 0);
|
|
if (strftime(&buffer[0], 1023, "%Z", tm_date) == 0)
|
|
return false;
|
|
stream.Printf("%04d-%02d-%02d %02d:%02d:%02d %s", tm_date->tm_year + 1900,
|
|
tm_date->tm_mon + 1, tm_date->tm_mday, tm_date->tm_hour,
|
|
tm_date->tm_min, tm_date->tm_sec, buffer.c_str());
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::ObjCClassSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
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->GetClassDescriptorFromISA(valobj.GetValueAsUnsigned(0)));
|
|
|
|
if (!descriptor || !descriptor->IsValid())
|
|
return false;
|
|
|
|
ConstString class_name = descriptor->GetClassName();
|
|
|
|
if (class_name.IsEmpty())
|
|
return false;
|
|
|
|
if (ConstString cs =
|
|
Mangled(class_name).GetDemangledName(lldb::eLanguageTypeUnknown))
|
|
class_name = cs;
|
|
|
|
stream.Printf("%s", class_name.AsCString("<unknown class>"));
|
|
return true;
|
|
}
|
|
|
|
class ObjCClassSyntheticChildrenFrontEnd : public SyntheticChildrenFrontEnd {
|
|
public:
|
|
ObjCClassSyntheticChildrenFrontEnd(lldb::ValueObjectSP valobj_sp)
|
|
: SyntheticChildrenFrontEnd(*valobj_sp) {}
|
|
|
|
~ObjCClassSyntheticChildrenFrontEnd() override = default;
|
|
|
|
size_t CalculateNumChildren() override { return 0; }
|
|
|
|
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override {
|
|
return lldb::ValueObjectSP();
|
|
}
|
|
|
|
bool Update() override { return false; }
|
|
|
|
bool MightHaveChildren() override { return false; }
|
|
|
|
size_t GetIndexOfChildWithName(const ConstString &name) override {
|
|
return UINT32_MAX;
|
|
}
|
|
};
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::ObjCClassSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return new ObjCClassSyntheticChildrenFrontEnd(valobj_sp);
|
|
}
|
|
|
|
template <bool needs_at>
|
|
bool lldb_private::formatters::NSDataSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
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 || !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);
|
|
Status error;
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(
|
|
valobj_addr + offset, is_64bit ? 8 : 4, 0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
} else if (!strcmp(class_name, "_NSInlineData")) {
|
|
uint32_t offset = (is_64bit ? 8 : 4);
|
|
Status error;
|
|
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + offset, 2,
|
|
0, error);
|
|
if (error.Fail())
|
|
return false;
|
|
} else if (!strcmp(class_name, "_NSZeroData")) {
|
|
value = 0;
|
|
} else
|
|
return false;
|
|
|
|
stream.Printf("%s%" PRIu64 " byte%s%s", (needs_at ? "@\"" : ""), value,
|
|
(value != 1 ? "s" : ""), (needs_at ? "\"" : ""));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::ObjCBOOLSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
const uint32_t type_info = valobj.GetCompilerType().GetTypeInfo();
|
|
|
|
ValueObjectSP real_guy_sp = valobj.GetSP();
|
|
|
|
if (type_info & eTypeIsPointer) {
|
|
Status err;
|
|
real_guy_sp = valobj.Dereference(err);
|
|
if (err.Fail() || !real_guy_sp)
|
|
return false;
|
|
} else if (type_info & eTypeIsReference) {
|
|
real_guy_sp = valobj.GetChildAtIndex(0, true);
|
|
if (!real_guy_sp)
|
|
return false;
|
|
}
|
|
uint8_t value = (real_guy_sp->GetValueAsUnsigned(0) & 0xFF);
|
|
switch (value) {
|
|
case 0:
|
|
stream.Printf("NO");
|
|
break;
|
|
case 1:
|
|
stream.Printf("YES");
|
|
break;
|
|
default:
|
|
stream.Printf("%u", value);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::ObjCBooleanSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
lldb::addr_t valobj_ptr_value =
|
|
valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
|
if (valobj_ptr_value == LLDB_INVALID_ADDRESS)
|
|
return false;
|
|
|
|
ProcessSP process_sp(valobj.GetProcessSP());
|
|
if (!process_sp)
|
|
return false;
|
|
|
|
if (AppleObjCRuntime *objc_runtime =
|
|
(AppleObjCRuntime *)process_sp->GetObjCLanguageRuntime()) {
|
|
lldb::addr_t cf_true = LLDB_INVALID_ADDRESS,
|
|
cf_false = LLDB_INVALID_ADDRESS;
|
|
objc_runtime->GetValuesForGlobalCFBooleans(cf_true, cf_false);
|
|
if (valobj_ptr_value == cf_true) {
|
|
stream.PutCString("YES");
|
|
return true;
|
|
}
|
|
if (valobj_ptr_value == cf_false) {
|
|
stream.PutCString("NO");
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
template <bool is_sel_ptr>
|
|
bool lldb_private::formatters::ObjCSELSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
lldb::ValueObjectSP valobj_sp;
|
|
|
|
CompilerType charstar(valobj.GetCompilerType()
|
|
.GetBasicTypeFromAST(eBasicTypeChar)
|
|
.GetPointerType());
|
|
|
|
if (!charstar)
|
|
return false;
|
|
|
|
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;
|
|
Status error;
|
|
valobj.GetData(data, error);
|
|
if (error.Fail())
|
|
return false;
|
|
valobj_sp =
|
|
ValueObject::CreateValueObjectFromData("text", data, exe_ctx, charstar);
|
|
}
|
|
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
stream.Printf("%s", valobj_sp->GetSummaryAsCString());
|
|
return true;
|
|
}
|
|
|
|
// POSIX has an epoch on Jan-1-1970, but Cocoa prefers Jan-1-2001
|
|
// this call gives the POSIX equivalent of the Cocoa epoch
|
|
time_t lldb_private::formatters::GetOSXEpoch() {
|
|
static time_t epoch = 0;
|
|
if (!epoch) {
|
|
#ifndef _WIN32
|
|
tzset();
|
|
tm tm_epoch;
|
|
tm_epoch.tm_sec = 0;
|
|
tm_epoch.tm_hour = 0;
|
|
tm_epoch.tm_min = 0;
|
|
tm_epoch.tm_mon = 0;
|
|
tm_epoch.tm_mday = 1;
|
|
tm_epoch.tm_year = 2001 - 1900;
|
|
tm_epoch.tm_isdst = -1;
|
|
tm_epoch.tm_gmtoff = 0;
|
|
tm_epoch.tm_zone = nullptr;
|
|
epoch = timegm(&tm_epoch);
|
|
#endif
|
|
}
|
|
return epoch;
|
|
}
|
|
|
|
template bool lldb_private::formatters::NSDataSummaryProvider<true>(
|
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|
|
|
|
template bool lldb_private::formatters::NSDataSummaryProvider<false>(
|
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|
|
|
|
template bool lldb_private::formatters::ObjCSELSummaryProvider<true>(
|
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|
|
|
|
template bool lldb_private::formatters::ObjCSELSummaryProvider<false>(
|
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|