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//===-- FormattersHelpers.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 "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/Core/Module.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/RegularExpression.h"
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
void lldb_private::formatters::AddFormat(
TypeCategoryImpl::SharedPointer category_sp, lldb::Format format,
llvm::StringRef type_name, TypeFormatImpl::Flags flags, bool regex) {
lldb::TypeFormatImplSP format_sp(new TypeFormatImpl_Format(format, flags));
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeFormat(type_name, match_type, format_sp);
}
void lldb_private::formatters::AddSummary(
TypeCategoryImpl::SharedPointer category_sp, TypeSummaryImplSP summary_sp,
llvm::StringRef type_name, bool regex) {
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeSummary(type_name, match_type, summary_sp);
}
void lldb_private::formatters::AddStringSummary(
TypeCategoryImpl::SharedPointer category_sp, const char *string,
llvm::StringRef type_name, TypeSummaryImpl::Flags flags, bool regex) {
lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags, string));
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeSummary(type_name, match_type, summary_sp);
}
void lldb_private::formatters::AddOneLineSummary(
TypeCategoryImpl::SharedPointer category_sp, llvm::StringRef type_name,
TypeSummaryImpl::Flags flags, bool regex) {
flags.SetShowMembersOneLiner(true);
lldb::TypeSummaryImplSP summary_sp(new StringSummaryFormat(flags, ""));
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeSummary(type_name, match_type, summary_sp);
}
void lldb_private::formatters::AddCXXSummary(
TypeCategoryImpl::SharedPointer category_sp,
CXXFunctionSummaryFormat::Callback funct, const char *description,
llvm::StringRef type_name, TypeSummaryImpl::Flags flags, bool regex) {
lldb::TypeSummaryImplSP summary_sp(
new CXXFunctionSummaryFormat(flags, funct, description));
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeSummary(type_name, match_type, summary_sp);
}
void lldb_private::formatters::AddCXXSynthetic(
TypeCategoryImpl::SharedPointer category_sp,
CXXSyntheticChildren::CreateFrontEndCallback generator,
const char *description, llvm::StringRef type_name,
ScriptedSyntheticChildren::Flags flags, bool regex) {
lldb::SyntheticChildrenSP synth_sp(
new CXXSyntheticChildren(flags, description, generator));
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeSynthetic(type_name, match_type, synth_sp);
}
void lldb_private::formatters::AddFilter(
TypeCategoryImpl::SharedPointer category_sp,
std::vector<std::string> children, const char *description,
llvm::StringRef type_name, ScriptedSyntheticChildren::Flags flags,
bool regex) {
TypeFilterImplSP filter_sp(new TypeFilterImpl(flags));
for (auto child : children)
filter_sp->AddExpressionPath(child);
FormatterMatchType match_type =
regex ? eFormatterMatchRegex : eFormatterMatchExact;
category_sp->AddTypeFilter(type_name, match_type, filter_sp);
}
std::optional<size_t>
lldb_private::formatters::ExtractIndexFromString(const char *item_name) {
if (!item_name || !*item_name)
return std::nullopt;
if (*item_name != '[')
return std::nullopt;
item_name++;
char *endptr = nullptr;
unsigned long int idx = ::strtoul(item_name, &endptr, 0);
if ((idx == 0 && endptr == item_name) || idx == ULONG_MAX)
return std::nullopt;
return idx;
}
Address
lldb_private::formatters::GetArrayAddressOrPointerValue(ValueObject &valobj) {
ValueObject::AddrAndType data_addr;
if (valobj.IsPointerType())
data_addr = valobj.GetPointerValue();
else if (valobj.IsArrayType())
data_addr = valobj.GetAddressOf(/*scalar_is_load_address=*/true);
if (data_addr.address != LLDB_INVALID_ADDRESS &&
data_addr.type == eAddressTypeFile)
return Address(data_addr.address, valobj.GetModule()->GetSectionList());
return data_addr.address;
}
void lldb_private::formatters::DumpCxxSmartPtrPointerSummary(
Stream &stream, ValueObject &ptr, const TypeSummaryOptions &options) {
if (ptr.GetValueAsUnsigned(0) == 0) {
stream.Printf("nullptr");
return;
}
Status error;
ValueObjectSP pointee_sp = ptr.Dereference(error);
if (!pointee_sp || !error.Success())
return;
if (!pointee_sp->DumpPrintableRepresentation(
stream, ValueObject::eValueObjectRepresentationStyleSummary,
lldb::eFormatInvalid,
ValueObject::PrintableRepresentationSpecialCases::eDisable, false))
stream.Printf("ptr = 0x%" PRIx64, ptr.GetValueAsUnsigned(0));
}
bool lldb_private::formatters::ContainerSizeSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
return FormatEntity::FormatStringRef("size=${svar%#}", stream, nullptr,
nullptr, nullptr, &valobj, false, false);
}
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