CXXFormatterFunctions.{h|cpp} is not a good thing to have around, so start splitting stuff in different files in preparation for removing it and factoring formatters to the plugins where they belong

llvm-svn: 246743
This commit is contained in:
Enrico Granata 2015-09-03 01:29:42 +00:00
parent d67f1b9dbc
commit d87cc31960
6 changed files with 1037 additions and 988 deletions

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@ -737,6 +737,7 @@
94380B8219940B0A00BFE4A8 /* StringLexer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 94380B8119940B0A00BFE4A8 /* StringLexer.cpp */; };
9439FB1A19EF140C006FD6A4 /* NSIndexPath.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9439FB1919EF140C006FD6A4 /* NSIndexPath.cpp */; };
943BDEFE1AA7B2F800789CE8 /* LLDBAssert.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 943BDEFD1AA7B2F800789CE8 /* LLDBAssert.cpp */; };
943F31A61B97D9970047A590 /* CxxStringTypes.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 943F31A51B97D9970047A590 /* CxxStringTypes.cpp */; settings = {ASSET_TAGS = (); }; };
944372DC171F6B4300E57C32 /* RegisterContextDummy.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 944372DA171F6B4300E57C32 /* RegisterContextDummy.cpp */; };
9443B122140C18C40013457C /* SBData.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9443B121140C18C10013457C /* SBData.cpp */; };
9443B123140C26AB0013457C /* SBData.h in Headers */ = {isa = PBXBuildFile; fileRef = 9443B120140C18A90013457C /* SBData.h */; settings = {ATTRIBUTES = (Public, ); }; };
@ -2426,6 +2427,7 @@
9439FB1919EF140C006FD6A4 /* NSIndexPath.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NSIndexPath.cpp; path = source/DataFormatters/NSIndexPath.cpp; sourceTree = "<group>"; };
943BDEFC1AA7B2DE00789CE8 /* LLDBAssert.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = LLDBAssert.h; path = include/lldb/Utility/LLDBAssert.h; sourceTree = "<group>"; };
943BDEFD1AA7B2F800789CE8 /* LLDBAssert.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = LLDBAssert.cpp; path = source/Utility/LLDBAssert.cpp; sourceTree = "<group>"; };
943F31A51B97D9970047A590 /* CxxStringTypes.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CxxStringTypes.cpp; path = source/DataFormatters/CxxStringTypes.cpp; sourceTree = "<group>"; };
944372DA171F6B4300E57C32 /* RegisterContextDummy.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = RegisterContextDummy.cpp; path = Utility/RegisterContextDummy.cpp; sourceTree = "<group>"; };
944372DB171F6B4300E57C32 /* RegisterContextDummy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = RegisterContextDummy.h; path = Utility/RegisterContextDummy.h; sourceTree = "<group>"; };
9443B120140C18A90013457C /* SBData.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = SBData.h; path = include/lldb/API/SBData.h; sourceTree = "<group>"; };
@ -5316,6 +5318,7 @@
9492E2A41A8AC11000295BBD /* CoreMedia.cpp */,
94CB255F16B069800059775D /* CXXFormatterFunctions.h */,
94CB255716B069770059775D /* CXXFormatterFunctions.cpp */,
943F31A51B97D9970047A590 /* CxxStringTypes.cpp */,
94CB256016B069800059775D /* DataVisualization.h */,
94CB255816B069770059775D /* DataVisualization.cpp */,
94CB257516B1D3910059775D /* FormatCache.h */,
@ -6466,6 +6469,7 @@
3FDFED0B19B7C8DE009756A7 /* HostThreadMacOSX.mm in Sources */,
266603CA1345B5A8004DA8B6 /* ConnectionSharedMemory.cpp in Sources */,
2671A0D013482601003A87BB /* ConnectionMachPort.cpp in Sources */,
943F31A61B97D9970047A590 /* CxxStringTypes.cpp in Sources */,
4CABA9E0134A8BCD00539BDD /* ValueObjectMemory.cpp in Sources */,
4CD0BD0F134BFADF00CB44D4 /* ValueObjectDynamicValue.cpp in Sources */,
946216C21A97C080006E19CC /* OptionValueLanguage.cpp in Sources */,

File diff suppressed because it is too large Load Diff

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@ -8,6 +8,8 @@
//===----------------------------------------------------------------------===//
#include "lldb/DataFormatters/CXXFormatterFunctions.h"
#include "lldb/DataFormatters/StringPrinter.h"
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/Core/DataBufferHeap.h"
#include "lldb/Core/Error.h"
@ -19,6 +21,8 @@
#include "lldb/Target/ObjCLanguageRuntime.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/ProcessStructReader.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
@ -559,3 +563,580 @@ lldb_private::formatters::NSDateSummaryProvider (ValueObject& valobj, Stream& st
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.get() || !descriptor->IsValid())
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
stream.Printf("%s",class_name);
return true;
}
class ObjCClassSyntheticChildrenFrontEnd : public SyntheticChildrenFrontEnd
{
public:
ObjCClassSyntheticChildrenFrontEnd (lldb::ValueObjectSP valobj_sp) :
SyntheticChildrenFrontEnd(*valobj_sp.get())
{
}
virtual size_t
CalculateNumChildren ()
{
return 0;
}
virtual lldb::ValueObjectSP
GetChildAtIndex (size_t idx)
{
return lldb::ValueObjectSP();
}
virtual bool
Update()
{
return false;
}
virtual bool
MightHaveChildren ()
{
return false;
}
virtual size_t
GetIndexOfChildWithName (const ConstString &name)
{
return UINT32_MAX;
}
virtual
~ObjCClassSyntheticChildrenFrontEnd ()
{
}
};
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.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::NSTaggedString_SummaryProvider (ObjCLanguageRuntime::ClassDescriptorSP descriptor, Stream& stream)
{
if (!descriptor)
return false;
uint64_t len_bits = 0, data_bits = 0;
if (!descriptor->GetTaggedPointerInfo(&len_bits,&data_bits,nullptr))
return false;
static const int g_MaxNonBitmaskedLen = 7; //TAGGED_STRING_UNPACKED_MAXLEN
static const int g_SixbitMaxLen = 9;
static const int g_fiveBitMaxLen = 11;
static const char *sixBitToCharLookup = "eilotrm.apdnsIc ufkMShjTRxgC4013" "bDNvwyUL2O856P-B79AFKEWV_zGJ/HYX";
if (len_bits > g_fiveBitMaxLen)
return false;
// this is a fairly ugly trick - pretend that the numeric value is actually a char*
// this works under a few assumptions:
// little endian architecture
// sizeof(uint64_t) > g_MaxNonBitmaskedLen
if (len_bits <= g_MaxNonBitmaskedLen)
{
stream.Printf("@\"%s\"",(const char*)&data_bits);
return true;
}
// if the data is bitmasked, we need to actually process the bytes
uint8_t bitmask = 0;
uint8_t shift_offset = 0;
if (len_bits <= g_SixbitMaxLen)
{
bitmask = 0x03f;
shift_offset = 6;
}
else
{
bitmask = 0x01f;
shift_offset = 5;
}
std::vector<uint8_t> bytes;
bytes.resize(len_bits);
for (; len_bits > 0; data_bits >>= shift_offset, --len_bits)
{
uint8_t packed = data_bits & bitmask;
bytes.insert(bytes.begin(), sixBitToCharLookup[packed]);
}
stream.Printf("@\"%s\"",&bytes[0]);
return true;
}
static CompilerType
GetNSPathStore2Type (Target &target)
{
static ConstString g_type_name("__lldb_autogen_nspathstore2");
ClangASTContext *ast_ctx = target.GetScratchClangASTContext();
if (!ast_ctx)
return CompilerType();
CompilerType voidstar = ast_ctx->GetBasicType(lldb::eBasicTypeVoid).GetPointerType();
CompilerType uint32 = ast_ctx->GetIntTypeFromBitSize(32, false);
return ast_ctx->GetOrCreateStructForIdentifier(g_type_name, {
{"isa",voidstar},
{"lengthAndRef",uint32},
{"buffer",voidstar}
});
}
bool
lldb_private::formatters::NSStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_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.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;
bool is_tagged_ptr = (0 == strcmp(class_name,"NSTaggedPointerString")) && descriptor->GetTaggedPointerInfo();
// for a tagged pointer, the descriptor has everything we need
if (is_tagged_ptr)
return NSTaggedString_SummaryProvider(descriptor, stream);
// if not a tagged pointer that we know about, try the normal route
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_path_store = strcmp(class_name,"NSPathStore2") == 0;
bool has_null = (info_bits & 8) == 8;
size_t explicit_length = 0;
if (!has_null && has_explicit_length && !is_path_store)
{
lldb::addr_t explicit_length_offset = 2*ptr_size;
if (is_mutable && !is_inline)
explicit_length_offset = explicit_length_offset + ptr_size; // notInlineMutable.length;
else if (is_inline)
explicit_length = explicit_length + 0; // inline1.length;
else if (!is_inline && !is_mutable)
explicit_length_offset = explicit_length_offset + ptr_size; // notInlineImmutable1.length;
else
explicit_length_offset = 0;
if (explicit_length_offset)
{
explicit_length_offset = valobj_addr + explicit_length_offset;
explicit_length = process_sp->ReadUnsignedIntegerFromMemory(explicit_length_offset, 4, 0, error);
}
}
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"))
{
// not one of us - but tell me class name
stream.Printf("class name = %s",class_name);
return true;
}
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 && is_unicode)
{
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(false);
return ReadStringAndDumpToStream<StringElementType::UTF16>(options);
}
else
{
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location+1);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(false);
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
}
else if (is_inline && has_explicit_length && !is_unicode && !is_path_store && !is_mutable)
{
uint64_t location = 3 * ptr_size + valobj_addr;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
return ReadStringAndDumpToStream<StringElementType::ASCII> (options);
}
else if (is_unicode)
{
uint64_t location = valobj_addr + 2*ptr_size;
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;
}
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(has_explicit_length == false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(has_explicit_length == false);
return ReadStringAndDumpToStream<StringElementType::UTF16> (options);
}
else if (is_path_store)
{
ProcessStructReader reader(valobj.GetProcessSP().get(), valobj.GetValueAsUnsigned(0), GetNSPathStore2Type(*valobj.GetTargetSP()));
explicit_length = reader.GetField<uint32_t>(ConstString("lengthAndRef")) >> 20;
lldb::addr_t location = valobj.GetValueAsUnsigned(0) + ptr_size + 4;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(has_explicit_length == false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(has_explicit_length == false);
return ReadStringAndDumpToStream<StringElementType::UTF16> (options);
}
else if (is_inline)
{
uint64_t location = valobj_addr + 2*ptr_size;
if (!has_explicit_length)
{
// in this kind of string, the byte before the string content is a length byte
// so let's try and use it to handle the embedded NUL case
Error error;
explicit_length = process_sp->ReadUnsignedIntegerFromMemory(location, 1, 0, error);
if (error.Fail() || explicit_length == 0)
has_explicit_length = false;
else
has_explicit_length = true;
location++;
}
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(!has_explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(!has_explicit_length);
if (has_explicit_length)
return ReadStringAndDumpToStream<StringElementType::UTF8>(options);
else
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
else
{
uint64_t location = valobj_addr + 2*ptr_size;
location = process_sp->ReadPointerFromMemory(location, error);
if (error.Fail())
return false;
if (has_explicit_length && !has_null)
explicit_length++; // account for the fact that there is no NULL and we need to have one added
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetPrefixToken('@');
options.SetStream(&stream);
options.SetSourceSize(explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
}
bool
lldb_private::formatters::NSAttributedStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
TargetSP target_sp(valobj.GetTargetSP());
if (!target_sp)
return false;
uint32_t addr_size = target_sp->GetArchitecture().GetAddressByteSize();
uint64_t pointer_value = valobj.GetValueAsUnsigned(0);
if (!pointer_value)
return false;
pointer_value += addr_size;
CompilerType type(valobj.GetCompilerType());
ExecutionContext exe_ctx(target_sp,false);
ValueObjectSP child_ptr_sp(valobj.CreateValueObjectFromAddress("string_ptr", pointer_value, exe_ctx, type));
if (!child_ptr_sp)
return false;
DataExtractor data;
Error error;
child_ptr_sp->GetData(data, error);
if (error.Fail())
return false;
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, options);
return false;
}
bool
lldb_private::formatters::NSMutableAttributedStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
return NSAttributedStringSummaryProvider(valobj, stream, options);
}
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)
{
Error 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;
}
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, 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;
Error 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; // for some reason, we need to subtract 1900 from this field. not sure why.
tm_epoch.tm_isdst = -1;
tm_epoch.tm_gmtoff = 0;
tm_epoch.tm_zone = NULL;
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&) ;

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@ -0,0 +1,212 @@
//===-- CXXStringTypes.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/DataFormatters/CXXFormatterFunctions.h"
#include "lldb/DataFormatters/StringPrinter.h"
#include "lldb/DataFormatters/TypeSummary.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/SectionLoadList.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/ProcessStructReader.h"
#include <algorithm>
#if __ANDROID_NDK__
#include <sys/types.h>
#endif
#include "lldb/Host/Time.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
bool
lldb_private::formatters::Char16StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('u');
if (!ReadStringAndDumpToStream<StringElementType::UTF16>(options))
{
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
bool
lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('U');
if (!ReadStringAndDumpToStream<StringElementType::UTF32>(options))
{
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
bool
lldb_private::formatters::WCharStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
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;
// Get a wchar_t basic type from the current type system
CompilerType wchar_clang_type = valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeWChar);
if (!wchar_clang_type)
return false;
const uint32_t wchar_size = wchar_clang_type.GetBitSize(nullptr); // Safe to pass NULL for exe_scope here
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(data_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('L');
switch (wchar_size)
{
case 8:
return ReadStringAndDumpToStream<StringElementType::UTF8>(options);
case 16:
return ReadStringAndDumpToStream<StringElementType::UTF16>(options);
case 32:
return ReadStringAndDumpToStream<StringElementType::UTF32>(options);
default:
stream.Printf("size for wchar_t is not valid");
return true;
}
return true;
}
bool
lldb_private::formatters::Char16SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
DataExtractor data;
Error error;
valobj.GetData(data, error);
if (error.Fail())
return false;
std::string value;
valobj.GetValueAsCString(lldb::eFormatUnicode16, value);
if (!value.empty())
stream.Printf("%s ", value.c_str());
ReadBufferAndDumpToStreamOptions options(valobj);
options.SetData(data);
options.SetStream(&stream);
options.SetPrefixToken('u');
options.SetQuote('\'');
options.SetSourceSize(1);
options.SetBinaryZeroIsTerminator(false);
return ReadBufferAndDumpToStream<StringElementType::UTF16>(options);
}
bool
lldb_private::formatters::Char32SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
DataExtractor data;
Error error;
valobj.GetData(data, error);
if (error.Fail())
return false;
std::string value;
valobj.GetValueAsCString(lldb::eFormatUnicode32, value);
if (!value.empty())
stream.Printf("%s ", value.c_str());
ReadBufferAndDumpToStreamOptions options(valobj);
options.SetData(data);
options.SetStream(&stream);
options.SetPrefixToken('U');
options.SetQuote('\'');
options.SetSourceSize(1);
options.SetBinaryZeroIsTerminator(false);
return ReadBufferAndDumpToStream<StringElementType::UTF32>(options);
}
bool
lldb_private::formatters::WCharSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
DataExtractor data;
Error error;
valobj.GetData(data, error);
if (error.Fail())
return false;
ReadBufferAndDumpToStreamOptions options(valobj);
options.SetData(data);
options.SetStream(&stream);
options.SetPrefixToken('L');
options.SetQuote('\'');
options.SetSourceSize(1);
options.SetBinaryZeroIsTerminator(false);
return ReadBufferAndDumpToStream<StringElementType::UTF16>(options);
}

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@ -8,6 +8,8 @@
//===----------------------------------------------------------------------===//
#include "lldb/DataFormatters/CXXFormatterFunctions.h"
#include "lldb/DataFormatters/StringPrinter.h"
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/Core/DataBufferHeap.h"
#include "lldb/Core/Debugger.h"
@ -461,3 +463,173 @@ lldb_private::formatters::LibcxxContainerSummaryProvider (ValueObject& valobj, S
}
return FormatEntity::FormatStringRef("size=${svar%#}", stream, NULL, NULL, NULL, &valobj, false, false);
}
// the field layout in a libc++ string (cap, side, data or data, size, cap)
enum LibcxxStringLayoutMode
{
eLibcxxStringLayoutModeCSD = 0,
eLibcxxStringLayoutModeDSC = 1,
eLibcxxStringLayoutModeInvalid = 0xffff
};
// this function abstracts away the layout and mode details of a libc++ string
// and returns the address of the data and the size ready for callers to consume
static bool
ExtractLibcxxStringInfo (ValueObject& valobj,
ValueObjectSP &location_sp,
uint64_t& size)
{
ValueObjectSP D(valobj.GetChildAtIndexPath({0,0,0,0}));
if (!D)
return false;
ValueObjectSP layout_decider(D->GetChildAtIndexPath({0,0}));
// this child should exist
if (!layout_decider)
return false;
ConstString g_data_name("__data_");
ConstString g_size_name("__size_");
bool short_mode = false; // this means the string is in short-mode and the data is stored inline
LibcxxStringLayoutMode layout = (layout_decider->GetName() == g_data_name) ? eLibcxxStringLayoutModeDSC : eLibcxxStringLayoutModeCSD;
uint64_t size_mode_value = 0;
if (layout == eLibcxxStringLayoutModeDSC)
{
ValueObjectSP size_mode(D->GetChildAtIndexPath({1,1,0}));
if (!size_mode)
return false;
if (size_mode->GetName() != g_size_name)
{
// we are hitting the padding structure, move along
size_mode = D->GetChildAtIndexPath({1,1,1});
if (!size_mode)
return false;
}
size_mode_value = (size_mode->GetValueAsUnsigned(0));
short_mode = ((size_mode_value & 0x80) == 0);
}
else
{
ValueObjectSP size_mode(D->GetChildAtIndexPath({1,0,0}));
if (!size_mode)
return false;
size_mode_value = (size_mode->GetValueAsUnsigned(0));
short_mode = ((size_mode_value & 1) == 0);
}
if (short_mode)
{
ValueObjectSP s(D->GetChildAtIndex(1, true));
if (!s)
return false;
location_sp = s->GetChildAtIndex((layout == eLibcxxStringLayoutModeDSC) ? 0 : 1, true);
size = (layout == eLibcxxStringLayoutModeDSC) ? size_mode_value : ((size_mode_value >> 1) % 256);
return (location_sp.get() != nullptr);
}
else
{
ValueObjectSP l(D->GetChildAtIndex(0, true));
if (!l)
return false;
// we can use the layout_decider object as the data pointer
location_sp = (layout == eLibcxxStringLayoutModeDSC) ? layout_decider : 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, const TypeSummaryOptions& summary_options)
{
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;
DataExtractor extractor;
if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped)
size = std::min<decltype(size)>(size, valobj.GetTargetSP()->GetMaximumSizeOfStringSummary());
location_sp->GetPointeeData(extractor, 0, size);
// std::wstring::size() is measured in 'characters', not bytes
auto wchar_t_size = valobj.GetTargetSP()->GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeWChar).GetByteSize(nullptr);
ReadBufferAndDumpToStreamOptions options(valobj);
options.SetData(extractor);
options.SetStream(&stream);
options.SetPrefixToken('L');
options.SetQuote('"');
options.SetSourceSize(size);
options.SetBinaryZeroIsTerminator(false);
switch (wchar_t_size)
{
case 1:
lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF8>(options);
break;
case 2:
lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF16>(options);
break;
case 4:
lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF32>(options);
break;
default:
stream.Printf("size for wchar_t is not valid");
return true;
}
return true;
}
bool
lldb_private::formatters::LibcxxStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options)
{
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;
DataExtractor extractor;
if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped)
size = std::min<decltype(size)>(size, valobj.GetTargetSP()->GetMaximumSizeOfStringSummary());
location_sp->GetPointeeData(extractor, 0, size);
ReadBufferAndDumpToStreamOptions options(valobj);
options.SetData(extractor);
options.SetStream(&stream);
options.SetPrefixToken(0);
options.SetQuote('"');
options.SetSourceSize(size);
options.SetBinaryZeroIsTerminator(false);
lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::ASCII>(options);
return true;
}

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@ -158,3 +158,71 @@ lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator (CXXSy
return NULL;
return (new VectorIteratorSyntheticFrontEnd(valobj_sp,g_item_name));
}
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()
{
m_item_sp.reset();
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 = CreateValueObjectFromAddress("item", item_ptr->GetValueAsUnsigned(0), m_exe_ctx_ref, item_ptr->GetCompilerType().GetPointeeType());
if (err.Fail())
m_item_sp.reset();
return false;
}
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 ()
{
}