mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-28 17:06:07 +00:00
89dc7063f6
This patch fixes: lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp:1108:39: error: format specifies type 'long long' but the argument has type 'std::time_t' (aka 'long') [-Werror,-Wformat] lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp:1116:64: error: format specifies type 'long long' but the argument has type 'std::time_t' (aka 'long') [-Werror,-Wformat]
1235 lines
40 KiB
C++
1235 lines
40 KiB
C++
//===-- LibCxx.cpp --------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "LibCxx.h"
|
|
|
|
#include "lldb/Core/Debugger.h"
|
|
#include "lldb/Core/FormatEntity.h"
|
|
#include "lldb/Core/ValueObject.h"
|
|
#include "lldb/Core/ValueObjectConstResult.h"
|
|
#include "lldb/DataFormatters/FormattersHelpers.h"
|
|
#include "lldb/DataFormatters/StringPrinter.h"
|
|
#include "lldb/DataFormatters/TypeSummary.h"
|
|
#include "lldb/DataFormatters/VectorIterator.h"
|
|
#include "lldb/Target/SectionLoadList.h"
|
|
#include "lldb/Target/Target.h"
|
|
#include "lldb/Utility/ConstString.h"
|
|
#include "lldb/Utility/DataBufferHeap.h"
|
|
#include "lldb/Utility/Endian.h"
|
|
#include "lldb/Utility/Status.h"
|
|
#include "lldb/Utility/Stream.h"
|
|
|
|
#include "Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.h"
|
|
#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
|
|
#include "lldb/lldb-enumerations.h"
|
|
#include <optional>
|
|
#include <tuple>
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
using namespace lldb_private::formatters;
|
|
|
|
lldb::ValueObjectSP lldb_private::formatters::GetChildMemberWithName(
|
|
ValueObject &obj, llvm::ArrayRef<ConstString> alternative_names) {
|
|
for (ConstString name : alternative_names) {
|
|
lldb::ValueObjectSP child_sp = obj.GetChildMemberWithName(name);
|
|
|
|
if (child_sp)
|
|
return child_sp;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::GetFirstValueOfLibCXXCompressedPair(
|
|
ValueObject &pair) {
|
|
ValueObjectSP value;
|
|
ValueObjectSP first_child = pair.GetChildAtIndex(0);
|
|
if (first_child)
|
|
value = first_child->GetChildMemberWithName("__value_");
|
|
if (!value) {
|
|
// pre-r300140 member name
|
|
value = pair.GetChildMemberWithName("__first_");
|
|
}
|
|
return value;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::GetSecondValueOfLibCXXCompressedPair(
|
|
ValueObject &pair) {
|
|
ValueObjectSP value;
|
|
if (pair.GetNumChildren() > 1) {
|
|
ValueObjectSP second_child = pair.GetChildAtIndex(1);
|
|
if (second_child) {
|
|
value = second_child->GetChildMemberWithName("__value_");
|
|
}
|
|
}
|
|
if (!value) {
|
|
// pre-r300140 member name
|
|
value = pair.GetChildMemberWithName("__second_");
|
|
}
|
|
return value;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxFunctionSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
|
|
ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue());
|
|
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
ExecutionContext exe_ctx(valobj_sp->GetExecutionContextRef());
|
|
Process *process = exe_ctx.GetProcessPtr();
|
|
|
|
if (process == nullptr)
|
|
return false;
|
|
|
|
CPPLanguageRuntime *cpp_runtime = CPPLanguageRuntime::Get(*process);
|
|
|
|
if (!cpp_runtime)
|
|
return false;
|
|
|
|
CPPLanguageRuntime::LibCppStdFunctionCallableInfo callable_info =
|
|
cpp_runtime->FindLibCppStdFunctionCallableInfo(valobj_sp);
|
|
|
|
switch (callable_info.callable_case) {
|
|
case CPPLanguageRuntime::LibCppStdFunctionCallableCase::Invalid:
|
|
stream.Printf(" __f_ = %" PRIu64, callable_info.member_f_pointer_value);
|
|
return false;
|
|
break;
|
|
case CPPLanguageRuntime::LibCppStdFunctionCallableCase::Lambda:
|
|
stream.Printf(
|
|
" Lambda in File %s at Line %u",
|
|
callable_info.callable_line_entry.file.GetFilename().GetCString(),
|
|
callable_info.callable_line_entry.line);
|
|
break;
|
|
case CPPLanguageRuntime::LibCppStdFunctionCallableCase::CallableObject:
|
|
stream.Printf(
|
|
" Function in File %s at Line %u",
|
|
callable_info.callable_line_entry.file.GetFilename().GetCString(),
|
|
callable_info.callable_line_entry.line);
|
|
break;
|
|
case CPPLanguageRuntime::LibCppStdFunctionCallableCase::FreeOrMemberFunction:
|
|
stream.Printf(" Function = %s ",
|
|
callable_info.callable_symbol.GetName().GetCString());
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxSmartPointerSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue());
|
|
if (!valobj_sp)
|
|
return false;
|
|
ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName("__ptr_"));
|
|
ValueObjectSP count_sp(
|
|
valobj_sp->GetChildAtNamePath({"__cntrl_", "__shared_owners_"}));
|
|
ValueObjectSP weakcount_sp(
|
|
valobj_sp->GetChildAtNamePath({"__cntrl_", "__shared_weak_owners_"}));
|
|
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
if (ptr_sp->GetValueAsUnsigned(0) == 0) {
|
|
stream.Printf("nullptr");
|
|
return true;
|
|
} else {
|
|
bool print_pointee = false;
|
|
Status error;
|
|
ValueObjectSP pointee_sp = ptr_sp->Dereference(error);
|
|
if (pointee_sp && error.Success()) {
|
|
if (pointee_sp->DumpPrintableRepresentation(
|
|
stream, ValueObject::eValueObjectRepresentationStyleSummary,
|
|
lldb::eFormatInvalid,
|
|
ValueObject::PrintableRepresentationSpecialCases::eDisable,
|
|
false))
|
|
print_pointee = true;
|
|
}
|
|
if (!print_pointee)
|
|
stream.Printf("ptr = 0x%" PRIx64, ptr_sp->GetValueAsUnsigned(0));
|
|
}
|
|
|
|
if (count_sp)
|
|
stream.Printf(" strong=%" PRIu64, 1 + count_sp->GetValueAsUnsigned(0));
|
|
|
|
if (weakcount_sp)
|
|
stream.Printf(" weak=%" PRIu64, 1 + weakcount_sp->GetValueAsUnsigned(0));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxUniquePointerSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue());
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName("__ptr_"));
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
ptr_sp = GetFirstValueOfLibCXXCompressedPair(*ptr_sp);
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
if (ptr_sp->GetValueAsUnsigned(0) == 0) {
|
|
stream.Printf("nullptr");
|
|
return true;
|
|
} else {
|
|
bool print_pointee = false;
|
|
Status error;
|
|
ValueObjectSP pointee_sp = ptr_sp->Dereference(error);
|
|
if (pointee_sp && error.Success()) {
|
|
if (pointee_sp->DumpPrintableRepresentation(
|
|
stream, ValueObject::eValueObjectRepresentationStyleSummary,
|
|
lldb::eFormatInvalid,
|
|
ValueObject::PrintableRepresentationSpecialCases::eDisable,
|
|
false))
|
|
print_pointee = true;
|
|
}
|
|
if (!print_pointee)
|
|
stream.Printf("ptr = 0x%" PRIx64, ptr_sp->GetValueAsUnsigned(0));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
(lldb) fr var ibeg --raw --ptr-depth 1
|
|
(std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::pair<int,
|
|
std::__1::basic_string<char, std::__1::char_traits<char>,
|
|
std::__1::allocator<char> > >, std::__1::__tree_node<std::__1::pair<int,
|
|
std::__1::basic_string<char, std::__1::char_traits<char>,
|
|
std::__1::allocator<char> > >, void *> *, long> >) ibeg = {
|
|
__i_ = {
|
|
__ptr_ = 0x0000000100103870 {
|
|
std::__1::__tree_node_base<void *> = {
|
|
std::__1::__tree_end_node<std::__1::__tree_node_base<void *> *> = {
|
|
__left_ = 0x0000000000000000
|
|
}
|
|
__right_ = 0x0000000000000000
|
|
__parent_ = 0x00000001001038b0
|
|
__is_black_ = true
|
|
}
|
|
__value_ = {
|
|
first = 0
|
|
second = { std::string }
|
|
*/
|
|
|
|
lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
|
|
LibCxxMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_pair_ptr(), m_pair_sp() {
|
|
if (valobj_sp)
|
|
Update();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update() {
|
|
m_pair_sp.reset();
|
|
m_pair_ptr = nullptr;
|
|
|
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
TargetSP target_sp(valobj_sp->GetTargetSP());
|
|
|
|
if (!target_sp)
|
|
return false;
|
|
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
// this must be a ValueObject* because it is a child of the ValueObject we
|
|
// are producing children for it if were a ValueObjectSP, we would end up
|
|
// with a loop (iterator -> synthetic -> child -> parent == iterator) and
|
|
// that would in turn leak memory by never allowing the ValueObjects to die
|
|
// and free their memory
|
|
m_pair_ptr = valobj_sp
|
|
->GetValueForExpressionPath(
|
|
".__i_.__ptr_->__value_", nullptr, nullptr,
|
|
ValueObject::GetValueForExpressionPathOptions()
|
|
.DontCheckDotVsArrowSyntax()
|
|
.SetSyntheticChildrenTraversal(
|
|
ValueObject::GetValueForExpressionPathOptions::
|
|
SyntheticChildrenTraversal::None),
|
|
nullptr)
|
|
.get();
|
|
|
|
if (!m_pair_ptr) {
|
|
m_pair_ptr = valobj_sp
|
|
->GetValueForExpressionPath(
|
|
".__i_.__ptr_", nullptr, nullptr,
|
|
ValueObject::GetValueForExpressionPathOptions()
|
|
.DontCheckDotVsArrowSyntax()
|
|
.SetSyntheticChildrenTraversal(
|
|
ValueObject::GetValueForExpressionPathOptions::
|
|
SyntheticChildrenTraversal::None),
|
|
nullptr)
|
|
.get();
|
|
if (m_pair_ptr) {
|
|
auto __i_(valobj_sp->GetChildMemberWithName("__i_"));
|
|
if (!__i_) {
|
|
m_pair_ptr = nullptr;
|
|
return false;
|
|
}
|
|
CompilerType pair_type(
|
|
__i_->GetCompilerType().GetTypeTemplateArgument(0));
|
|
std::string name;
|
|
uint64_t bit_offset_ptr;
|
|
uint32_t bitfield_bit_size_ptr;
|
|
bool is_bitfield_ptr;
|
|
pair_type = pair_type.GetFieldAtIndex(
|
|
0, name, &bit_offset_ptr, &bitfield_bit_size_ptr, &is_bitfield_ptr);
|
|
if (!pair_type) {
|
|
m_pair_ptr = nullptr;
|
|
return false;
|
|
}
|
|
|
|
auto addr(m_pair_ptr->GetValueAsUnsigned(LLDB_INVALID_ADDRESS));
|
|
m_pair_ptr = nullptr;
|
|
if (addr && addr != LLDB_INVALID_ADDRESS) {
|
|
auto ts = pair_type.GetTypeSystem();
|
|
auto ast_ctx = ts.dyn_cast_or_null<TypeSystemClang>();
|
|
if (!ast_ctx)
|
|
return false;
|
|
|
|
// Mimick layout of std::__tree_iterator::__ptr_ and read it in
|
|
// from process memory.
|
|
//
|
|
// The following shows the contiguous block of memory:
|
|
//
|
|
// +-----------------------------+ class __tree_end_node
|
|
// __ptr_ | pointer __left_; |
|
|
// +-----------------------------+ class __tree_node_base
|
|
// | pointer __right_; |
|
|
// | __parent_pointer __parent_; |
|
|
// | bool __is_black_; |
|
|
// +-----------------------------+ class __tree_node
|
|
// | __node_value_type __value_; | <<< our key/value pair
|
|
// +-----------------------------+
|
|
//
|
|
CompilerType tree_node_type = ast_ctx->CreateStructForIdentifier(
|
|
llvm::StringRef(),
|
|
{{"ptr0",
|
|
ast_ctx->GetBasicType(lldb::eBasicTypeVoid).GetPointerType()},
|
|
{"ptr1",
|
|
ast_ctx->GetBasicType(lldb::eBasicTypeVoid).GetPointerType()},
|
|
{"ptr2",
|
|
ast_ctx->GetBasicType(lldb::eBasicTypeVoid).GetPointerType()},
|
|
{"cw", ast_ctx->GetBasicType(lldb::eBasicTypeBool)},
|
|
{"payload", pair_type}});
|
|
std::optional<uint64_t> size = tree_node_type.GetByteSize(nullptr);
|
|
if (!size)
|
|
return false;
|
|
WritableDataBufferSP buffer_sp(new DataBufferHeap(*size, 0));
|
|
ProcessSP process_sp(target_sp->GetProcessSP());
|
|
Status error;
|
|
process_sp->ReadMemory(addr, buffer_sp->GetBytes(),
|
|
buffer_sp->GetByteSize(), error);
|
|
if (error.Fail())
|
|
return false;
|
|
DataExtractor extractor(buffer_sp, process_sp->GetByteOrder(),
|
|
process_sp->GetAddressByteSize());
|
|
auto pair_sp = CreateValueObjectFromData(
|
|
"pair", extractor, valobj_sp->GetExecutionContextRef(),
|
|
tree_node_type);
|
|
if (pair_sp)
|
|
m_pair_sp = pair_sp->GetChildAtIndex(4);
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
|
|
CalculateNumChildren() {
|
|
return 2;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetChildAtIndex(
|
|
size_t idx) {
|
|
if (m_pair_ptr)
|
|
return m_pair_ptr->GetChildAtIndex(idx);
|
|
if (m_pair_sp)
|
|
return m_pair_sp->GetChildAtIndex(idx);
|
|
return lldb::ValueObjectSP();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
|
|
MightHaveChildren() {
|
|
return true;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
|
|
GetIndexOfChildWithName(ConstString name) {
|
|
if (name == "first")
|
|
return 0;
|
|
if (name == "second")
|
|
return 1;
|
|
return UINT32_MAX;
|
|
}
|
|
|
|
lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
|
|
~LibCxxMapIteratorSyntheticFrontEnd() {
|
|
// this will be deleted when its parent dies (since it's a child object)
|
|
// delete m_pair_ptr;
|
|
}
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return (valobj_sp ? new LibCxxMapIteratorSyntheticFrontEnd(valobj_sp)
|
|
: nullptr);
|
|
}
|
|
|
|
lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEnd::
|
|
LibCxxUnorderedMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
|
: SyntheticChildrenFrontEnd(*valobj_sp) {
|
|
if (valobj_sp)
|
|
Update();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEnd::
|
|
Update() {
|
|
m_pair_sp.reset();
|
|
m_iter_ptr = nullptr;
|
|
|
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
TargetSP target_sp(valobj_sp->GetTargetSP());
|
|
|
|
if (!target_sp)
|
|
return false;
|
|
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
auto exprPathOptions = ValueObject::GetValueForExpressionPathOptions()
|
|
.DontCheckDotVsArrowSyntax()
|
|
.SetSyntheticChildrenTraversal(
|
|
ValueObject::GetValueForExpressionPathOptions::
|
|
SyntheticChildrenTraversal::None);
|
|
|
|
// This must be a ValueObject* because it is a child of the ValueObject we
|
|
// are producing children for it if were a ValueObjectSP, we would end up
|
|
// with a loop (iterator -> synthetic -> child -> parent == iterator) and
|
|
// that would in turn leak memory by never allowing the ValueObjects to die
|
|
// and free their memory.
|
|
m_iter_ptr =
|
|
valobj_sp
|
|
->GetValueForExpressionPath(".__i_.__node_", nullptr, nullptr,
|
|
exprPathOptions, nullptr)
|
|
.get();
|
|
|
|
if (m_iter_ptr) {
|
|
auto iter_child(valobj_sp->GetChildMemberWithName("__i_"));
|
|
if (!iter_child) {
|
|
m_iter_ptr = nullptr;
|
|
return false;
|
|
}
|
|
|
|
CompilerType node_type(iter_child->GetCompilerType()
|
|
.GetTypeTemplateArgument(0)
|
|
.GetPointeeType());
|
|
|
|
CompilerType pair_type(node_type.GetTypeTemplateArgument(0));
|
|
|
|
std::string name;
|
|
uint64_t bit_offset_ptr;
|
|
uint32_t bitfield_bit_size_ptr;
|
|
bool is_bitfield_ptr;
|
|
|
|
pair_type = pair_type.GetFieldAtIndex(
|
|
0, name, &bit_offset_ptr, &bitfield_bit_size_ptr, &is_bitfield_ptr);
|
|
if (!pair_type) {
|
|
m_iter_ptr = nullptr;
|
|
return false;
|
|
}
|
|
|
|
uint64_t addr = m_iter_ptr->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
|
m_iter_ptr = nullptr;
|
|
|
|
if (addr == 0 || addr == LLDB_INVALID_ADDRESS)
|
|
return false;
|
|
|
|
auto ts = pair_type.GetTypeSystem();
|
|
auto ast_ctx = ts.dyn_cast_or_null<TypeSystemClang>();
|
|
if (!ast_ctx)
|
|
return false;
|
|
|
|
// Mimick layout of std::__hash_iterator::__node_ and read it in
|
|
// from process memory.
|
|
//
|
|
// The following shows the contiguous block of memory:
|
|
//
|
|
// +-----------------------------+ class __hash_node_base
|
|
// __node_ | __next_pointer __next_; |
|
|
// +-----------------------------+ class __hash_node
|
|
// | size_t __hash_; |
|
|
// | __node_value_type __value_; | <<< our key/value pair
|
|
// +-----------------------------+
|
|
//
|
|
CompilerType tree_node_type = ast_ctx->CreateStructForIdentifier(
|
|
llvm::StringRef(),
|
|
{{"__next_",
|
|
ast_ctx->GetBasicType(lldb::eBasicTypeVoid).GetPointerType()},
|
|
{"__hash_", ast_ctx->GetBasicType(lldb::eBasicTypeUnsignedLongLong)},
|
|
{"__value_", pair_type}});
|
|
std::optional<uint64_t> size = tree_node_type.GetByteSize(nullptr);
|
|
if (!size)
|
|
return false;
|
|
WritableDataBufferSP buffer_sp(new DataBufferHeap(*size, 0));
|
|
ProcessSP process_sp(target_sp->GetProcessSP());
|
|
Status error;
|
|
process_sp->ReadMemory(addr, buffer_sp->GetBytes(),
|
|
buffer_sp->GetByteSize(), error);
|
|
if (error.Fail())
|
|
return false;
|
|
DataExtractor extractor(buffer_sp, process_sp->GetByteOrder(),
|
|
process_sp->GetAddressByteSize());
|
|
auto pair_sp = CreateValueObjectFromData(
|
|
"pair", extractor, valobj_sp->GetExecutionContextRef(), tree_node_type);
|
|
if (pair_sp)
|
|
m_pair_sp = pair_sp->GetChildAtIndex(2);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEnd::
|
|
CalculateNumChildren() {
|
|
return 2;
|
|
}
|
|
|
|
lldb::ValueObjectSP lldb_private::formatters::
|
|
LibCxxUnorderedMapIteratorSyntheticFrontEnd::GetChildAtIndex(size_t idx) {
|
|
if (m_pair_sp)
|
|
return m_pair_sp->GetChildAtIndex(idx);
|
|
return lldb::ValueObjectSP();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEnd::
|
|
MightHaveChildren() {
|
|
return true;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEnd::
|
|
GetIndexOfChildWithName(ConstString name) {
|
|
if (name == "first")
|
|
return 0;
|
|
if (name == "second")
|
|
return 1;
|
|
return UINT32_MAX;
|
|
}
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::LibCxxUnorderedMapIteratorSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return (valobj_sp ? new LibCxxUnorderedMapIteratorSyntheticFrontEnd(valobj_sp)
|
|
: nullptr);
|
|
}
|
|
|
|
/*
|
|
(lldb) fr var ibeg --raw --ptr-depth 1 -T
|
|
(std::__1::__wrap_iter<int *>) ibeg = {
|
|
(std::__1::__wrap_iter<int *>::iterator_type) __i = 0x00000001001037a0 {
|
|
(int) *__i = 1
|
|
}
|
|
}
|
|
*/
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return (valobj_sp ? new VectorIteratorSyntheticFrontEnd(
|
|
valobj_sp, {ConstString("__i_"), ConstString("__i")})
|
|
: nullptr);
|
|
}
|
|
|
|
lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::
|
|
LibcxxSharedPtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_cntrl(nullptr) {
|
|
if (valobj_sp)
|
|
Update();
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::
|
|
CalculateNumChildren() {
|
|
return (m_cntrl ? 1 : 0);
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::GetChildAtIndex(
|
|
size_t idx) {
|
|
if (!m_cntrl)
|
|
return lldb::ValueObjectSP();
|
|
|
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
|
if (!valobj_sp)
|
|
return lldb::ValueObjectSP();
|
|
|
|
if (idx == 0)
|
|
return valobj_sp->GetChildMemberWithName("__ptr_");
|
|
|
|
if (idx == 1) {
|
|
if (auto ptr_sp = valobj_sp->GetChildMemberWithName("__ptr_")) {
|
|
Status status;
|
|
auto value_type_sp =
|
|
valobj_sp->GetCompilerType()
|
|
.GetTypeTemplateArgument(0).GetPointerType();
|
|
ValueObjectSP cast_ptr_sp = ptr_sp->Cast(value_type_sp);
|
|
ValueObjectSP value_sp = cast_ptr_sp->Dereference(status);
|
|
if (status.Success()) {
|
|
return value_sp;
|
|
}
|
|
}
|
|
}
|
|
|
|
return lldb::ValueObjectSP();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::Update() {
|
|
m_cntrl = nullptr;
|
|
|
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
TargetSP target_sp(valobj_sp->GetTargetSP());
|
|
if (!target_sp)
|
|
return false;
|
|
|
|
lldb::ValueObjectSP cntrl_sp(valobj_sp->GetChildMemberWithName("__cntrl_"));
|
|
|
|
m_cntrl = cntrl_sp.get(); // need to store the raw pointer to avoid a circular
|
|
// dependency
|
|
return false;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::
|
|
MightHaveChildren() {
|
|
return true;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::
|
|
GetIndexOfChildWithName(ConstString name) {
|
|
if (name == "__ptr_")
|
|
return 0;
|
|
if (name == "$$dereference$$")
|
|
return 1;
|
|
return UINT32_MAX;
|
|
}
|
|
|
|
lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::
|
|
~LibcxxSharedPtrSyntheticFrontEnd() = default;
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return (valobj_sp ? new LibcxxSharedPtrSyntheticFrontEnd(valobj_sp)
|
|
: nullptr);
|
|
}
|
|
|
|
lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::
|
|
LibcxxUniquePtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
|
: SyntheticChildrenFrontEnd(*valobj_sp) {
|
|
if (valobj_sp)
|
|
Update();
|
|
}
|
|
|
|
lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::
|
|
~LibcxxUniquePtrSyntheticFrontEnd() = default;
|
|
|
|
SyntheticChildrenFrontEnd *
|
|
lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEndCreator(
|
|
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
|
|
return (valobj_sp ? new LibcxxUniquePtrSyntheticFrontEnd(valobj_sp)
|
|
: nullptr);
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::
|
|
CalculateNumChildren() {
|
|
if (m_value_ptr_sp)
|
|
return m_deleter_sp ? 2 : 1;
|
|
return 0;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::GetChildAtIndex(
|
|
size_t idx) {
|
|
if (!m_value_ptr_sp)
|
|
return lldb::ValueObjectSP();
|
|
|
|
if (idx == 0)
|
|
return m_value_ptr_sp;
|
|
|
|
if (idx == 1)
|
|
return m_deleter_sp;
|
|
|
|
if (idx == 2) {
|
|
Status status;
|
|
auto value_sp = m_value_ptr_sp->Dereference(status);
|
|
if (status.Success()) {
|
|
return value_sp;
|
|
}
|
|
}
|
|
|
|
return lldb::ValueObjectSP();
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::Update() {
|
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
|
if (!valobj_sp)
|
|
return false;
|
|
|
|
ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName("__ptr_"));
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
// Retrieve the actual pointer and the deleter, and clone them to give them
|
|
// user-friendly names.
|
|
ValueObjectSP value_pointer_sp = GetFirstValueOfLibCXXCompressedPair(*ptr_sp);
|
|
if (value_pointer_sp)
|
|
m_value_ptr_sp = value_pointer_sp->Clone(ConstString("pointer"));
|
|
|
|
ValueObjectSP deleter_sp = GetSecondValueOfLibCXXCompressedPair(*ptr_sp);
|
|
if (deleter_sp)
|
|
m_deleter_sp = deleter_sp->Clone(ConstString("deleter"));
|
|
|
|
return false;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::
|
|
MightHaveChildren() {
|
|
return true;
|
|
}
|
|
|
|
size_t lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEnd::
|
|
GetIndexOfChildWithName(ConstString name) {
|
|
if (name == "pointer")
|
|
return 0;
|
|
if (name == "deleter")
|
|
return 1;
|
|
if (name == "$$dereference$$")
|
|
return 2;
|
|
return UINT32_MAX;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxContainerSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
if (valobj.IsPointerType()) {
|
|
uint64_t value = valobj.GetValueAsUnsigned(0);
|
|
if (!value)
|
|
return false;
|
|
stream.Printf("0x%016" PRIx64 " ", value);
|
|
}
|
|
return FormatEntity::FormatStringRef("size=${svar%#}", stream, nullptr,
|
|
nullptr, nullptr, &valobj, false, false);
|
|
}
|
|
|
|
/// The field layout in a libc++ string (cap, side, data or data, size, cap).
|
|
namespace {
|
|
enum class StringLayout { CSD, DSC };
|
|
}
|
|
|
|
/// Determine the size in bytes of \p valobj (a libc++ std::string object) and
|
|
/// extract its data payload. Return the size + payload pair.
|
|
// TODO: Support big-endian architectures.
|
|
static std::optional<std::pair<uint64_t, ValueObjectSP>>
|
|
ExtractLibcxxStringInfo(ValueObject &valobj) {
|
|
ValueObjectSP valobj_r_sp = valobj.GetChildMemberWithName("__r_");
|
|
if (!valobj_r_sp || !valobj_r_sp->GetError().Success())
|
|
return {};
|
|
|
|
// __r_ is a compressed_pair of the actual data and the allocator. The data we
|
|
// want is in the first base class.
|
|
ValueObjectSP valobj_r_base_sp = valobj_r_sp->GetChildAtIndex(0);
|
|
if (!valobj_r_base_sp)
|
|
return {};
|
|
|
|
ValueObjectSP valobj_rep_sp =
|
|
valobj_r_base_sp->GetChildMemberWithName("__value_");
|
|
if (!valobj_rep_sp)
|
|
return {};
|
|
|
|
ValueObjectSP l = valobj_rep_sp->GetChildMemberWithName("__l");
|
|
if (!l)
|
|
return {};
|
|
|
|
StringLayout layout = l->GetIndexOfChildWithName("__data_") == 0
|
|
? StringLayout::DSC
|
|
: StringLayout::CSD;
|
|
|
|
bool short_mode = false; // this means the string is in short-mode and the
|
|
// data is stored inline
|
|
bool using_bitmasks = true; // Whether the class uses bitmasks for the mode
|
|
// flag (pre-D123580).
|
|
uint64_t size;
|
|
uint64_t size_mode_value = 0;
|
|
|
|
ValueObjectSP short_sp = valobj_rep_sp->GetChildMemberWithName("__s");
|
|
if (!short_sp)
|
|
return {};
|
|
|
|
ValueObjectSP is_long = short_sp->GetChildMemberWithName("__is_long_");
|
|
ValueObjectSP size_sp = short_sp->GetChildMemberWithName("__size_");
|
|
if (!size_sp)
|
|
return {};
|
|
|
|
if (is_long) {
|
|
using_bitmasks = false;
|
|
short_mode = !is_long->GetValueAsUnsigned(/*fail_value=*/0);
|
|
size = size_sp->GetValueAsUnsigned(/*fail_value=*/0);
|
|
} else {
|
|
// The string mode is encoded in the size field.
|
|
size_mode_value = size_sp->GetValueAsUnsigned(0);
|
|
uint8_t mode_mask = layout == StringLayout::DSC ? 0x80 : 1;
|
|
short_mode = (size_mode_value & mode_mask) == 0;
|
|
}
|
|
|
|
if (short_mode) {
|
|
ValueObjectSP location_sp = short_sp->GetChildMemberWithName("__data_");
|
|
if (using_bitmasks)
|
|
size = (layout == StringLayout::DSC) ? size_mode_value
|
|
: ((size_mode_value >> 1) % 256);
|
|
|
|
// When the small-string optimization takes place, the data must fit in the
|
|
// inline string buffer (23 bytes on x86_64/Darwin). If it doesn't, it's
|
|
// likely that the string isn't initialized and we're reading garbage.
|
|
ExecutionContext exe_ctx(location_sp->GetExecutionContextRef());
|
|
const std::optional<uint64_t> max_bytes =
|
|
location_sp->GetCompilerType().GetByteSize(
|
|
exe_ctx.GetBestExecutionContextScope());
|
|
if (!max_bytes || size > *max_bytes || !location_sp)
|
|
return {};
|
|
|
|
return std::make_pair(size, location_sp);
|
|
}
|
|
|
|
// we can use the layout_decider object as the data pointer
|
|
ValueObjectSP location_sp = l->GetChildMemberWithName("__data_");
|
|
ValueObjectSP size_vo = l->GetChildMemberWithName("__size_");
|
|
ValueObjectSP capacity_vo = l->GetChildMemberWithName("__cap_");
|
|
if (!size_vo || !location_sp || !capacity_vo)
|
|
return {};
|
|
size = size_vo->GetValueAsUnsigned(LLDB_INVALID_OFFSET);
|
|
uint64_t capacity = capacity_vo->GetValueAsUnsigned(LLDB_INVALID_OFFSET);
|
|
if (!using_bitmasks && layout == StringLayout::CSD)
|
|
capacity *= 2;
|
|
if (size == LLDB_INVALID_OFFSET || capacity == LLDB_INVALID_OFFSET ||
|
|
capacity < size)
|
|
return {};
|
|
return std::make_pair(size, location_sp);
|
|
}
|
|
|
|
static bool
|
|
LibcxxWStringSummaryProvider(ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options,
|
|
ValueObjectSP location_sp, size_t size) {
|
|
if (size == 0) {
|
|
stream.Printf("L\"\"");
|
|
return true;
|
|
}
|
|
if (!location_sp)
|
|
return false;
|
|
|
|
StringPrinter::ReadBufferAndDumpToStreamOptions options(valobj);
|
|
if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped) {
|
|
const auto max_size = valobj.GetTargetSP()->GetMaximumSizeOfStringSummary();
|
|
if (size > max_size) {
|
|
size = max_size;
|
|
options.SetIsTruncated(true);
|
|
}
|
|
}
|
|
|
|
DataExtractor extractor;
|
|
const size_t bytes_read = location_sp->GetPointeeData(extractor, 0, size);
|
|
if (bytes_read < size)
|
|
return false;
|
|
|
|
// std::wstring::size() is measured in 'characters', not bytes
|
|
TypeSystemClangSP scratch_ts_sp =
|
|
ScratchTypeSystemClang::GetForTarget(*valobj.GetTargetSP());
|
|
if (!scratch_ts_sp)
|
|
return false;
|
|
|
|
auto wchar_t_size =
|
|
scratch_ts_sp->GetBasicType(lldb::eBasicTypeWChar).GetByteSize(nullptr);
|
|
if (!wchar_t_size)
|
|
return false;
|
|
|
|
options.SetData(std::move(extractor));
|
|
options.SetStream(&stream);
|
|
options.SetPrefixToken("L");
|
|
options.SetQuote('"');
|
|
options.SetSourceSize(size);
|
|
options.SetBinaryZeroIsTerminator(false);
|
|
|
|
switch (*wchar_t_size) {
|
|
case 1:
|
|
return StringPrinter::ReadBufferAndDumpToStream<
|
|
lldb_private::formatters::StringPrinter::StringElementType::UTF8>(
|
|
options);
|
|
break;
|
|
|
|
case 2:
|
|
return StringPrinter::ReadBufferAndDumpToStream<
|
|
lldb_private::formatters::StringPrinter::StringElementType::UTF16>(
|
|
options);
|
|
break;
|
|
|
|
case 4:
|
|
return StringPrinter::ReadBufferAndDumpToStream<
|
|
lldb_private::formatters::StringPrinter::StringElementType::UTF32>(
|
|
options);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxWStringSummaryProvider(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
auto string_info = ExtractLibcxxStringInfo(valobj);
|
|
if (!string_info)
|
|
return false;
|
|
uint64_t size;
|
|
ValueObjectSP location_sp;
|
|
std::tie(size, location_sp) = *string_info;
|
|
|
|
return ::LibcxxWStringSummaryProvider(valobj, stream, summary_options,
|
|
location_sp, size);
|
|
}
|
|
|
|
template <StringPrinter::StringElementType element_type>
|
|
static bool
|
|
LibcxxStringSummaryProvider(ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options,
|
|
std::string prefix_token, ValueObjectSP location_sp,
|
|
uint64_t size) {
|
|
|
|
if (size == 0) {
|
|
stream.Printf("\"\"");
|
|
return true;
|
|
}
|
|
|
|
if (!location_sp)
|
|
return false;
|
|
|
|
StringPrinter::ReadBufferAndDumpToStreamOptions options(valobj);
|
|
|
|
if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped) {
|
|
const auto max_size = valobj.GetTargetSP()->GetMaximumSizeOfStringSummary();
|
|
if (size > max_size) {
|
|
size = max_size;
|
|
options.SetIsTruncated(true);
|
|
}
|
|
}
|
|
|
|
{
|
|
DataExtractor extractor;
|
|
const size_t bytes_read = location_sp->GetPointeeData(extractor, 0, size);
|
|
if (bytes_read < size)
|
|
return false;
|
|
|
|
options.SetData(std::move(extractor));
|
|
}
|
|
options.SetStream(&stream);
|
|
if (prefix_token.empty())
|
|
options.SetPrefixToken(nullptr);
|
|
else
|
|
options.SetPrefixToken(prefix_token);
|
|
options.SetQuote('"');
|
|
options.SetSourceSize(size);
|
|
options.SetBinaryZeroIsTerminator(false);
|
|
return StringPrinter::ReadBufferAndDumpToStream<element_type>(options);
|
|
}
|
|
|
|
template <StringPrinter::StringElementType element_type>
|
|
static bool
|
|
LibcxxStringSummaryProvider(ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options,
|
|
std::string prefix_token) {
|
|
auto string_info = ExtractLibcxxStringInfo(valobj);
|
|
if (!string_info)
|
|
return false;
|
|
uint64_t size;
|
|
ValueObjectSP location_sp;
|
|
std::tie(size, location_sp) = *string_info;
|
|
|
|
return LibcxxStringSummaryProvider<element_type>(
|
|
valobj, stream, summary_options, prefix_token, location_sp, size);
|
|
}
|
|
template <StringPrinter::StringElementType element_type>
|
|
static bool formatStringImpl(ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options,
|
|
std::string prefix_token) {
|
|
StreamString scratch_stream;
|
|
const bool success = LibcxxStringSummaryProvider<element_type>(
|
|
valobj, scratch_stream, summary_options, prefix_token);
|
|
if (success)
|
|
stream << scratch_stream.GetData();
|
|
else
|
|
stream << "Summary Unavailable";
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringSummaryProviderASCII(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringImpl<StringPrinter::StringElementType::ASCII>(
|
|
valobj, stream, summary_options, "");
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringSummaryProviderUTF16(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringImpl<StringPrinter::StringElementType::UTF16>(
|
|
valobj, stream, summary_options, "u");
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringSummaryProviderUTF32(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringImpl<StringPrinter::StringElementType::UTF32>(
|
|
valobj, stream, summary_options, "U");
|
|
}
|
|
|
|
static std::tuple<bool, ValueObjectSP, size_t>
|
|
LibcxxExtractStringViewData(ValueObject& valobj) {
|
|
auto dataobj = GetChildMemberWithName(
|
|
valobj, {ConstString("__data_"), ConstString("__data")});
|
|
auto sizeobj = GetChildMemberWithName(
|
|
valobj, {ConstString("__size_"), ConstString("__size")});
|
|
if (!dataobj || !sizeobj)
|
|
return std::make_tuple<bool,ValueObjectSP,size_t>(false, {}, {});
|
|
|
|
if (!dataobj->GetError().Success() || !sizeobj->GetError().Success())
|
|
return std::make_tuple<bool,ValueObjectSP,size_t>(false, {}, {});
|
|
|
|
bool success{false};
|
|
uint64_t size = sizeobj->GetValueAsUnsigned(0, &success);
|
|
if (!success)
|
|
return std::make_tuple<bool,ValueObjectSP,size_t>(false, {}, {});
|
|
|
|
return std::make_tuple(true,dataobj,size);
|
|
}
|
|
|
|
template <StringPrinter::StringElementType element_type>
|
|
static bool formatStringViewImpl(ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options,
|
|
std::string prefix_token) {
|
|
|
|
bool success;
|
|
ValueObjectSP dataobj;
|
|
size_t size;
|
|
std::tie(success, dataobj, size) = LibcxxExtractStringViewData(valobj);
|
|
|
|
if (!success) {
|
|
stream << "Summary Unavailable";
|
|
return true;
|
|
}
|
|
|
|
return LibcxxStringSummaryProvider<element_type>(
|
|
valobj, stream, summary_options, prefix_token, dataobj, size);
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringViewSummaryProviderASCII(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringViewImpl<StringPrinter::StringElementType::ASCII>(
|
|
valobj, stream, summary_options, "");
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringViewSummaryProviderUTF16(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringViewImpl<StringPrinter::StringElementType::UTF16>(
|
|
valobj, stream, summary_options, "u");
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxStringViewSummaryProviderUTF32(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
return formatStringViewImpl<StringPrinter::StringElementType::UTF32>(
|
|
valobj, stream, summary_options, "U");
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxWStringViewSummaryProvider(
|
|
ValueObject &valobj, Stream &stream,
|
|
const TypeSummaryOptions &summary_options) {
|
|
|
|
bool success;
|
|
ValueObjectSP dataobj;
|
|
size_t size;
|
|
std::tie(success, dataobj, size) = LibcxxExtractStringViewData(valobj);
|
|
|
|
if (!success) {
|
|
stream << "Summary Unavailable";
|
|
return true;
|
|
}
|
|
|
|
return ::LibcxxWStringSummaryProvider(valobj, stream, summary_options,
|
|
dataobj, size);
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxChronoSysSecondsSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__d_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
ptr_sp = ptr_sp->GetChildMemberWithName("__rep_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
// The date time in the chrono library is valid in the range
|
|
// [-32767-01-01T00:00:00Z, 32767-12-31T23:59:59Z]. A 64-bit time_t has a
|
|
// larger range, the function strftime is not able to format the entire range
|
|
// of time_t. The exact point has not been investigated; it's limited to
|
|
// chrono's range.
|
|
const std::time_t chrono_timestamp_min =
|
|
-1'096'193'779'200; // -32767-01-01T00:00:00Z
|
|
const std::time_t chrono_timestamp_max =
|
|
971'890'963'199; // 32767-12-31T23:59:59Z
|
|
|
|
const std::time_t seconds = ptr_sp->GetValueAsSigned(0);
|
|
if (seconds < chrono_timestamp_min || seconds > chrono_timestamp_max)
|
|
stream.Printf("timestamp=%" PRIu64 " s", static_cast<uint64_t>(seconds));
|
|
else {
|
|
std::array<char, 128> str;
|
|
std::size_t size =
|
|
std::strftime(str.data(), str.size(), "%FT%H:%M:%SZ", gmtime(&seconds));
|
|
if (size == 0)
|
|
return false;
|
|
|
|
stream.Printf("date/time=%s timestamp=%" PRIu64 " s", str.data(),
|
|
static_cast<uint64_t>(seconds));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxChronoSysDaysSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__d_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
ptr_sp = ptr_sp->GetChildMemberWithName("__rep_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
// The date time in the chrono library is valid in the range
|
|
// [-32767-01-01Z, 32767-12-31Z]. A 32-bit time_t has a larger range, the
|
|
// function strftime is not able to format the entire range of time_t. The
|
|
// exact point has not been investigated; it's limited to chrono's range.
|
|
const int chrono_timestamp_min = -12'687'428; // -32767-01-01Z
|
|
const int chrono_timestamp_max = 11'248'737; // 32767-12-31Z
|
|
|
|
const int days = ptr_sp->GetValueAsSigned(0);
|
|
if (days < chrono_timestamp_min || days > chrono_timestamp_max)
|
|
stream.Printf("timestamp=%d days", days);
|
|
|
|
else {
|
|
const std::time_t seconds = std::time_t(86400) * days;
|
|
|
|
std::array<char, 128> str;
|
|
std::size_t size =
|
|
std::strftime(str.data(), str.size(), "%FZ", gmtime(&seconds));
|
|
if (size == 0)
|
|
return false;
|
|
|
|
stream.Printf("date=%s timestamp=%d days", str.data(), days);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxChronoMonthSummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
// FIXME: These are the names used in the C++20 ostream operator. Since LLVM
|
|
// uses C++17 it's not possible to use the ostream operator directly.
|
|
static const std::array<std::string_view, 12> months = {
|
|
"January", "February", "March", "April", "May", "June",
|
|
"July", "August", "September", "October", "November", "December"};
|
|
|
|
ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__m_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
const unsigned month = ptr_sp->GetValueAsUnsigned(0);
|
|
if (month >= 1 && month <= 12)
|
|
stream << "month=" << months[month - 1];
|
|
else
|
|
stream.Printf("month=%u", month);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxChronoWeekdaySummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
// FIXME: These are the names used in the C++20 ostream operator. Since LLVM
|
|
// uses C++17 it's not possible to use the ostream operator directly.
|
|
static const std::array<std::string_view, 7> weekdays = {
|
|
"Sunday", "Monday", "Tuesday", "Wednesday",
|
|
"Thursday", "Friday", "Saturday"};
|
|
|
|
ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__wd_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
|
|
const unsigned weekday = ptr_sp->GetValueAsUnsigned(0);
|
|
if (weekday >= 0 && weekday < 7)
|
|
stream << "weekday=" << weekdays[weekday];
|
|
else
|
|
stream.Printf("weekday=%u", weekday);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool lldb_private::formatters::LibcxxChronoYearMonthDaySummaryProvider(
|
|
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
|
|
ValueObjectSP ptr_sp = valobj.GetChildMemberWithName("__y_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
ptr_sp = ptr_sp->GetChildMemberWithName("__y_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
int year = ptr_sp->GetValueAsSigned(0);
|
|
|
|
ptr_sp = valobj.GetChildMemberWithName("__m_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
ptr_sp = ptr_sp->GetChildMemberWithName("__m_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
const unsigned month = ptr_sp->GetValueAsUnsigned(0);
|
|
|
|
ptr_sp = valobj.GetChildMemberWithName("__d_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
ptr_sp = ptr_sp->GetChildMemberWithName("__d_");
|
|
if (!ptr_sp)
|
|
return false;
|
|
const unsigned day = ptr_sp->GetValueAsUnsigned(0);
|
|
|
|
stream << "date=";
|
|
if (year < 0) {
|
|
stream << '-';
|
|
year = -year;
|
|
}
|
|
stream.Printf("%04d-%02u-%02u", year, month, day);
|
|
|
|
return true;
|
|
}
|