forked from llvm/llvm-project
/
SwiftLanguage.cpp
1808 lines (1612 loc) · 72.4 KB
/
SwiftLanguage.cpp
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//===-- SwiftLanguage.cpp ---------------------------------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "SwiftLanguage.h"
#include "SwiftUnsafeTypes.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/DataFormatters/DataVisualization.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/DataFormatters/StringPrinter.h"
#include "Plugins/ExpressionParser/Clang/ClangASTMetadata.h"
#include "Plugins/LanguageRuntime/Swift/SwiftLanguageRuntime.h"
#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Symbol/VariableList.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/LLDBLog.h"
#include "LogChannelSwift.h"
#include "ObjCRuntimeSyntheticProvider.h"
#include "SwiftFormatters.h"
#include <functional>
#include <mutex>
#include "lldb/lldb-enumerations.h"
#include "swift/AST/ImportCache.h"
#include "swift/Basic/InitializeSwiftModules.h"
#include "swift/Demangling/ManglingMacros.h"
#include "llvm/Support/ConvertUTF.h"
#include "Plugins/Language/ObjC/Cocoa.h"
#include "Plugins/Language/ObjC/NSString.h"
using namespace lldb;
using namespace lldb_private;
using lldb_private::formatters::AddCXXSummary;
using lldb_private::formatters::AddCXXSynthetic;
using lldb_private::formatters::AddFormat;
using lldb_private::formatters::AddStringSummary;
using lldb_private::formatters::AddSummary;
using lldb_private::formatters::swift::DictionaryConfig;
using lldb_private::formatters::swift::SetConfig;
LLDB_PLUGIN_DEFINE(SwiftLanguage)
void SwiftLanguage::Initialize() {
LogChannelSwift::Initialize();
static ConstString g_SwiftSharedStringClass("_TtCs21__SharedStringStorage");
static ConstString g_SwiftStringStorageClass("_TtCs15__StringStorage");
static ConstString g_NSArrayClass1("_TtCs22__SwiftDeferredNSArray");
PluginManager::RegisterPlugin(GetPluginNameStatic(), "Swift Language",
CreateInstance);
lldb_private::formatters::NSString_Additionals::GetAdditionalSummaries()
.emplace(
g_SwiftSharedStringClass,
lldb_private::formatters::swift::SwiftSharedString_SummaryProvider);
lldb_private::formatters::NSString_Additionals::GetAdditionalSummaries()
.emplace(
g_SwiftStringStorageClass,
lldb_private::formatters::swift::SwiftStringStorage_SummaryProvider);
lldb_private::formatters::NSArray_Additionals::GetAdditionalSummaries()
.emplace(g_NSArrayClass1,
lldb_private::formatters::swift::Array_SummaryProvider);
lldb_private::formatters::NSArray_Additionals::GetAdditionalSynthetics()
.emplace(g_NSArrayClass1,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator);
initializeSwiftModules();
}
void SwiftLanguage::Terminate() {
// FIXME: Duplicating this list from Initialize seems error-prone.
static ConstString g_SwiftSharedStringClass("_TtCs21__SharedStringStorage");
static ConstString g_SwiftStringStorageClass("_TtCs15__StringStorage");
static ConstString g_NSArrayClass1("_TtCs22__SwiftDeferredNSArray");
lldb_private::formatters::NSString_Additionals::GetAdditionalSummaries()
.erase(g_SwiftSharedStringClass);
lldb_private::formatters::NSString_Additionals::GetAdditionalSummaries()
.erase(g_SwiftStringStorageClass);
lldb_private::formatters::NSArray_Additionals::GetAdditionalSummaries().erase(
g_NSArrayClass1);
lldb_private::formatters::NSArray_Additionals::GetAdditionalSynthetics()
.erase(g_NSArrayClass1);
PluginManager::UnregisterPlugin(CreateInstance);
}
bool SwiftLanguage::SymbolNameFitsToLanguage(Mangled mangled) const {
return SwiftLanguageRuntime::IsSwiftMangledName(
mangled.GetMangledName().GetStringRef());
}
bool SwiftLanguage::IsTopLevelFunction(Function &function) {
static ConstString g_main("main");
if (CompileUnit *comp_unit = function.GetCompileUnit()) {
if (comp_unit->GetLanguage() == lldb::eLanguageTypeSwift) {
if (function.GetMangled().GetMangledName() == g_main)
return true;
}
}
return false;
}
std::vector<Language::MethodNameVariant>
SwiftLanguage::GetMethodNameVariants(ConstString method_name) const {
std::vector<Language::MethodNameVariant> variant_names;
// NOTE: We need to do this because we don't have a proper parser for Swift
// function name syntax so we try to ensure that if we autocomplete to
// something, we'll look for its mangled equivalent and use the mangled
// version as a lookup as well.
ConstString counterpart;
if (method_name.GetMangledCounterpart(counterpart))
if (SwiftLanguageRuntime::IsSwiftMangledName(counterpart.GetStringRef()))
variant_names.emplace_back(counterpart, eFunctionNameTypeFull);
return variant_names;
}
static void LoadSwiftFormatters(lldb::TypeCategoryImplSP swift_category_sp) {
if (!swift_category_sp)
return;
TypeSummaryImpl::Flags summary_flags;
summary_flags.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(true)
.SetDontShowChildren(true)
.SetDontShowValue(true)
.SetShowMembersOneLiner(false)
.SetHideItemNames(false);
TypeFormatImpl::Flags format_flags;
format_flags.SetCascades(true).SetSkipPointers(true).SetSkipReferences(true);
SyntheticChildren::Flags basic_synth_flags;
basic_synth_flags.SetCascades(true).SetSkipPointers(true).SetSkipReferences(
true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::ObjC_Selector_SummaryProvider,
"ObjectiveC.Selector", ConstString("ObjectiveC.Selector"),
summary_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Int64", ConstString("Swift.Int64"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Int32", ConstString("Swift.Int32"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Int16", ConstString("Swift.Int16"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Int8", ConstString("Swift.Int8"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Int", ConstString("Swift.Int"), basic_synth_flags);
AddFormat(swift_category_sp, lldb::eFormatDecimal, ConstString("Swift.Int64"),
format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatDecimal, ConstString("Swift.Int32"),
format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatDecimal, ConstString("Swift.Int16"),
format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatDecimal, ConstString("Swift.Int8"),
format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatDecimal, ConstString("Swift.Int"),
format_flags, false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UInt64", ConstString("Swift.UInt64"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UInt32", ConstString("Swift.UInt32"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UInt16", ConstString("Swift.UInt16"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UInt8", ConstString("Swift.UInt8"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UInt", ConstString("Swift.UInt"), basic_synth_flags);
AddFormat(swift_category_sp, lldb::eFormatUnsigned,
ConstString("Swift.UInt64"), format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatUnsigned,
ConstString("Swift.UInt32"), format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatUnsigned,
ConstString("Swift.UInt16"), format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatUnsigned,
ConstString("Swift.UInt8"), format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatUnsigned, ConstString("Swift.UInt"),
format_flags, false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Float32", ConstString("Swift.Float32"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Float64", ConstString("Swift.Float64"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Float80", ConstString("Swift.Float80"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Float", ConstString("Swift.Float"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.Double", ConstString("Swift.Double"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.CDouble", ConstString("Swift.CDouble"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Darwin.size_t", ConstString("Darwin.size_t"), basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.OpaquePointer", ConstString("Swift.OpaquePointer"),
basic_synth_flags);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftBasicTypeSyntheticFrontEndCreator,
"Swift.UWord", ConstString("Swift.UWord"), basic_synth_flags);
AddFormat(swift_category_sp, lldb::eFormatPointer,
ConstString("Swift.OpaquePointer"), format_flags, false);
AddFormat(swift_category_sp, lldb::eFormatPointer,
ConstString("^Swift.UnsafePointer<.+>$"), format_flags, true);
AddFormat(swift_category_sp, lldb::eFormatPointer,
ConstString("^Swift.UnsafeMutablePointer<.+>$"), format_flags,
true);
AddFormat(swift_category_sp, lldb::eFormatUnsigned,
ConstString("Swift.UWord"), format_flags, false);
SyntheticChildren::Flags synth_flags;
synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false);
// Arrays and Dictionaries want their children shown.. that's the whole point
summary_flags.SetDontShowChildren(false);
summary_flags.SetSkipPointers(false); // the ContiguousArrayStorage ugliness
// will come back to us as pointers
synth_flags.SetSkipPointers(false);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.Array summary provider",
ConstString("^Swift.Array<.+>$"), summary_flags, true);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.ContiguousArray summary provider",
ConstString("^Swift.ContiguousArray<.+>$"), summary_flags, true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.ArraySlice summary provider",
ConstString("^Swift.ArraySlice<.+>$"), summary_flags, true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.Array summary provider",
ConstString("^_TtCs23_ContiguousArrayStorage[A-Fa-f0-9]+$"),
summary_flags, true);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.Array summary provider",
ConstString("^Swift._ContiguousArrayStorage"), summary_flags, true);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::NSArraySummaryProvider,
"Swift.Array summary provider",
ConstString("_TtCs22__SwiftDeferredNSArray"), summary_flags, false);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Array_SummaryProvider,
"Swift.Array summary provider",
ConstString("Swift.__SwiftDeferredNSArray"), summary_flags, false);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::NSArraySummaryProvider,
"Swift.Array summary provider",
ConstString("_TtCs22__SwiftDeferredNSArray"), summary_flags, false);
AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::UnsafeTypeSummaryProvider,
"Swift.Unsafe[Mutable][Raw][Buffer]Pointer",
ConstString("^Swift.Unsafe(Mutable)?(Raw)?(Buffer)?Pointer(<.+>)?$"),
summary_flags, true);
DictionaryConfig::Get().RegisterSummaryProviders(swift_category_sp,
summary_flags);
SetConfig::Get().RegisterSummaryProviders(swift_category_sp, summary_flags);
summary_flags.SetDontShowChildren(true);
summary_flags.SetSkipPointers(true);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.Array synthetic children", ConstString("^Swift.Array<.+>$"),
synth_flags, true);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.ContiguousArray synthetic children",
ConstString("^Swift.ContiguousArray<.+>$"), synth_flags, true);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.Array synthetic children", ConstString("^Swift.ArraySlice<.+>$"),
synth_flags, true);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.Array synthetic children",
ConstString("^_TtCs23_ContiguousArrayStorage[A-Fa-f0-9]+$"), synth_flags,
true);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.Array synthetic children",
ConstString("^Swift._ContiguousArrayStorage"), synth_flags, true);
AddCXXSynthetic(swift_category_sp,
lldb_private::formatters::NSArraySyntheticFrontEndCreator,
"Swift.Array synthetic children",
ConstString("_TtCs22__SwiftDeferredNSArray"), synth_flags,
false);
AddCXXSynthetic(swift_category_sp,
lldb_private::formatters::NSArraySyntheticFrontEndCreator,
"Swift.Array synthetic children",
ConstString("_TtCs22__SwiftDeferredNSArray"), synth_flags,
false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::ArraySyntheticFrontEndCreator,
"Swift.Array synthetic children",
ConstString("Swift.__SwiftDeferredNSArray"), synth_flags, false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::UnsafeTypeSyntheticFrontEndCreator,
"Swift.Unsafe[Mutable][Raw][Buffer]Pointer",
ConstString("^Swift.Unsafe(Mutable)?(Raw)?(Buffer)?Pointer(<.+>)?$"),
synth_flags, true);
DictionaryConfig::Get().RegisterSyntheticChildrenCreators(swift_category_sp,
synth_flags);
SetConfig::Get().RegisterSyntheticChildrenCreators(swift_category_sp,
synth_flags);
synth_flags.SetSkipPointers(true);
AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Bool_SummaryProvider,
"Swift.Bool summary provider", ConstString("Swift.Bool"), summary_flags);
AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::TypePreservingNSNumber_SummaryProvider,
"_SwiftTypePreservingNSNumber summary provider",
ConstString("_SwiftTypePreservingNSNumber"), summary_flags);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::DarwinBoolean_SummaryProvider,
"DarwinBoolean summary provider", ConstString("DarwinBoolean"),
summary_flags);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::UnicodeScalar_SummaryProvider,
"Swift.UnicodeScalar summary provider",
ConstString("Swift.UnicodeScalar"), summary_flags);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::UnicodeScalar_SummaryProvider,
"Swift.Unicode.Scalar summary provider",
ConstString("Swift.Unicode.Scalar"), summary_flags);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Character_SummaryProvider,
"Swift.Character summary provider",
ConstString("Swift.Character"), summary_flags);
bool (*string_summary_provider)(ValueObject &, Stream &,
const TypeSummaryOptions &) =
lldb_private::formatters::swift::String_SummaryProvider;
AddCXXSummary(swift_category_sp, string_summary_provider,
"Swift.String summary provider", ConstString("Swift.String"),
summary_flags);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::StringIndex_SummaryProvider,
"Swift String.Index summary provider",
ConstString("Swift.String.Index"), summary_flags);
bool (*staticstring_summary_provider)(ValueObject &, Stream &,
const TypeSummaryOptions &) =
lldb_private::formatters::swift::StaticString_SummaryProvider;
{
TypeSummaryImpl::Flags substring_summary_flags = summary_flags;
substring_summary_flags.SetDontShowChildren(false);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Substring_SummaryProvider,
"Swift.Substring summary provider",
ConstString("Swift.Substring"), substring_summary_flags);
}
AddCXXSummary(swift_category_sp, staticstring_summary_provider,
"Swift.StaticString summary provider",
ConstString("Swift.StaticString"), summary_flags);
summary_flags.SetSkipPointers(false);
// this is an ObjC dynamic type - as such it comes in pointer form
// NSContiguousString* - do not skip pointers here
AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::SwiftSharedString_SummaryProvider,
"SharedStringStorage summary provider",
ConstString("_TtCs21__SharedStringStorage"), summary_flags);
summary_flags.SetSkipPointers(true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::BuiltinObjC_SummaryProvider,
"ObjC object pointer summary provider",
ConstString("Builtin.ObjCPointer"), summary_flags);
TypeSummaryImpl::Flags optional_summary_flags;
optional_summary_flags.SetCascades(true)
.SetDontShowChildren(false) // this one will actually be calculated at
// runtime, what you pass here doesn't matter
.SetDontShowValue(true)
.SetHideItemNames(false)
.SetShowMembersOneLiner(false)
.SetSkipPointers(true)
.SetSkipReferences(false);
SyntheticChildren::Flags optional_synth_flags;
optional_synth_flags.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(false);
TypeSummaryImplSP swift_optional_summary_sp(
new lldb_private::formatters::swift::SwiftOptionalSummaryProvider(
optional_summary_flags));
TypeSummaryImplSP swift_unchecked_optional_summary_sp(
new lldb_private::formatters::swift::SwiftOptionalSummaryProvider(
optional_summary_flags));
// do not move the relative order of these - @unchecked needs to come first or
// else pain will ensue
AddSummary(swift_category_sp, swift_optional_summary_sp,
ConstString("^Swift.Optional<.+>$"), true);
AddSummary(swift_category_sp, swift_unchecked_optional_summary_sp,
ConstString("AnyObject!"), false);
AddSummary(swift_category_sp, swift_optional_summary_sp,
ConstString("AnyObject?"), false);
AddSummary(swift_category_sp, swift_unchecked_optional_summary_sp,
ConstString("()!"), false);
AddSummary(swift_category_sp, swift_optional_summary_sp, ConstString("()?"),
false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftOptionalSyntheticFrontEndCreator,
"Swift.Optional synthetic children", ConstString("^Swift.Optional<.+>$"),
optional_synth_flags, true);
AddCXXSynthetic(swift_category_sp,
lldb_private::formatters::swift::
SwiftUncheckedOptionalSyntheticFrontEndCreator,
"Swift.Optional synthetic children",
ConstString("AnyObject!"), optional_synth_flags, false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftOptionalSyntheticFrontEndCreator,
"Swift.Optional synthetic children", ConstString("AnyObject?"),
optional_synth_flags, false);
AddCXXSynthetic(swift_category_sp,
lldb_private::formatters::swift::
SwiftUncheckedOptionalSyntheticFrontEndCreator,
"Swift.Optional synthetic children", ConstString("()!"),
optional_synth_flags, false);
AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::SwiftOptionalSyntheticFrontEndCreator,
"Swift.Optional synthetic children", ConstString("()?"),
optional_synth_flags, false);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::Range_SummaryProvider,
"Swift.Range summary provider",
ConstString("^Swift.Range<.+>$"), summary_flags, true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::CountableRange_SummaryProvider,
"Swift.CountableRange summary provider",
ConstString("^Swift.CountableRange<.+>$"), summary_flags, true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::ClosedRange_SummaryProvider,
"Swift.ClosedRange summary provider",
ConstString("^Swift.ClosedRange<.+>$"), summary_flags, true);
AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::CountableClosedRange_SummaryProvider,
"Swift.CountableClosedRange summary provider",
ConstString("^Swift.CountableClosedRange<.+>$"), summary_flags, true);
TypeSummaryImpl::Flags simd_summary_flags;
simd_summary_flags.SetCascades(true)
.SetDontShowChildren(true)
.SetHideItemNames(true)
.SetShowMembersOneLiner(false);
const char *SIMDTypes = "^(simd\\.)?(simd_)?("
"(int|uint|float|double)[234]|"
"(float|double)[234]x[234]|"
"quat(f|d)"
")$";
const char *newSIMDTypes = "^SIMD[0-9]+<.*>$";
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::LegacySIMD_SummaryProvider,
"SIMD (legacy) summary provider", ConstString(SIMDTypes),
simd_summary_flags, true);
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::SIMDVector_SummaryProvider,
"Vector SIMD summary provider", ConstString(newSIMDTypes),
simd_summary_flags, true);
const char *GLKitTypes = "^(GLKMatrix[234]|GLKVector[234]|GLKQuaternion)$";
AddCXXSummary(swift_category_sp,
lldb_private::formatters::swift::GLKit_SummaryProvider,
"GLKit summary provider", ConstString(GLKitTypes),
simd_summary_flags, true);
AddStringSummary(swift_category_sp, "${var.native}",
ConstString("CoreGraphics.CGFloat"), summary_flags);
AddStringSummary(swift_category_sp, "${var.native}",
ConstString("Foundation.CGFloat"), summary_flags);
AddStringSummary(swift_category_sp, "${var.native}",
ConstString("CoreFoundation.CGFloat"), summary_flags);
}
static void
LoadFoundationValueTypesFormatters(lldb::TypeCategoryImplSP swift_category_sp) {
if (!swift_category_sp)
return;
TypeSummaryImpl::Flags summary_flags;
summary_flags.SetCascades(true)
.SetDontShowChildren(false)
.SetSkipPointers(true)
.SetSkipReferences(false)
.SetHideItemNames(false)
.SetShowMembersOneLiner(false);
lldb_private::formatters::AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Date_SummaryProvider,
"Foundation.Date summary provider", ConstString("Foundation.Date"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::NotificationName_SummaryProvider,
"Notification.Name summary provider",
ConstString("Foundation.Notification.Type.Name"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::NotificationName_SummaryProvider,
"Notification.Name summary provider",
ConstString("Foundation.Notification.Name"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::URL_SummaryProvider,
"URL summary provider", ConstString("Foundation.URL"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::IndexPath_SummaryProvider,
"IndexPath summary provider", ConstString("Foundation.IndexPath"),
summary_flags);
lldb_private::formatters::AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::Measurement_SummaryProvider,
"Measurement summary provider",
ConstString("Foundation.Measurement<Foundation.Unit>"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::UUID_SummaryProvider,
"UUID summary provider", ConstString("Foundation.UUID"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp, lldb_private::formatters::swift::Data_SummaryProvider,
"Data summary provider", ConstString("Foundation.Data"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp,
lldb_private::formatters::swift::Decimal_SummaryProvider,
"Decimal summary provider", ConstString("Foundation.Decimal"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSummary(
swift_category_sp, lldb_private::formatters::NSTimeZoneSummaryProvider,
"NSTimeZone summary provider", ConstString("Foundation._NSSwiftTimeZone"),
TypeSummaryImpl::Flags(summary_flags).SetDontShowChildren(true));
lldb_private::formatters::AddCXXSynthetic(
swift_category_sp,
lldb_private::formatters::swift::URLComponentsSyntheticFrontEndCreator,
"URLComponents synthetic children",
ConstString("Foundation.URLComponents"),
SyntheticChildren::Flags()
.SetSkipPointers(true)
.SetCascades(true)
.SetSkipReferences(false)
.SetNonCacheable(false));
}
lldb::TypeCategoryImplSP SwiftLanguage::GetFormatters() {
static std::once_flag g_initialize;
static TypeCategoryImplSP g_category;
std::call_once(g_initialize, [this]() -> void {
DataVisualization::Categories::GetCategory(ConstString(GetPluginName()),
g_category);
if (g_category) {
LoadSwiftFormatters(g_category);
LoadFoundationValueTypesFormatters(g_category);
}
});
return g_category;
}
HardcodedFormatters::HardcodedSummaryFinder
SwiftLanguage::GetHardcodedSummaries() {
static std::once_flag g_initialize;
static HardcodedFormatters::HardcodedSummaryFinder g_formatters;
std::call_once(g_initialize, []() -> void {
g_formatters.push_back([](lldb_private::ValueObject &valobj,
lldb::DynamicValueType,
FormatManager &) -> lldb::TypeSummaryImplSP {
static lldb::TypeSummaryImplSP swift_metatype_summary_sp(nullptr);
static ConstString g_RawPointerType("Builtin.RawPointer");
CompilerType type(valobj.GetCompilerType());
Flags type_flags(type.GetTypeInfo());
if (type_flags.AllSet(eTypeIsMetatype | eTypeIsSwift)) {
if (!swift_metatype_summary_sp.get()) {
TypeSummaryImpl::Flags flags;
flags.SetCascades(true)
.SetDontShowChildren(true)
.SetDontShowValue(true)
.SetHideItemNames(false)
.SetShowMembersOneLiner(false)
.SetSkipPointers(false)
.SetSkipReferences(false);
swift_metatype_summary_sp.reset(new CXXFunctionSummaryFormat(
flags,
lldb_private::formatters::swift::SwiftMetatype_SummaryProvider,
"Swift Metatype Summary"));
}
return swift_metatype_summary_sp;
}
llvm::StringRef tau_ = u8"$\u03C4_";
if (valobj.GetName().GetLength() > 12 &&
valobj.GetName().GetStringRef().startswith(tau_) &&
type.GetTypeName() == g_RawPointerType) {
if (!swift_metatype_summary_sp.get()) {
TypeSummaryImpl::Flags flags;
flags.SetCascades(true)
.SetDontShowChildren(true)
.SetDontShowValue(true)
.SetHideItemNames(false)
.SetShowMembersOneLiner(false)
.SetSkipPointers(false)
.SetSkipReferences(false);
swift_metatype_summary_sp.reset(new CXXFunctionSummaryFormat(
flags,
lldb_private::formatters::swift::SwiftMetatype_SummaryProvider,
"Swift Metatype Summary"));
}
return swift_metatype_summary_sp;
}
return nullptr;
});
g_formatters.push_back([](lldb_private::ValueObject &valobj,
lldb::DynamicValueType, FormatManager &)
-> TypeSummaryImpl::SharedPointer {
CompilerType clang_type(valobj.GetCompilerType());
if (lldb_private::formatters::swift::SwiftOptionSetSummaryProvider::
WouldEvenConsiderFormatting(clang_type)) {
TypeSummaryImpl::SharedPointer formatter_sp(
new lldb_private::formatters::swift::SwiftOptionSetSummaryProvider(
clang_type));
return formatter_sp;
}
return nullptr;
});
});
return g_formatters;
}
static llvm::StringRef
ExtractSwiftTypeNameFromCxxInteropType(CompilerType type) {
// Try to recognize a Swift type wrapped in a C++ interop wrapper class.
// These types have a typedef from a char to the swift mangled name, and a
// static constexpr char field whose type is the typedef, and whose name
// is __swift_mangled_name.
// These classes will look something like:
// class CxxBridgedClass {
// [Layout specific variables]
// typedef char $sClassMangledNameHere;
// static inline constexpr $sClassMangledNameHere __swift_mangled_name = 0;
// }
Log *log(GetLog(LLDBLog::DataFormatters));
// This only makes sense for Clang types.
auto tsc = type.GetTypeSystem().dyn_cast_or_null<TypeSystemClang>();
if (!tsc)
return {};
// We operate directly on the qualified type because the TypeSystem
// interface doesn't allow us to check for static constexpr members.
auto qual_type = TypeSystemClang::GetQualType(type.GetOpaqueQualType());
auto *record_type =
llvm::dyn_cast_or_null<clang::RecordType>(qual_type.getTypePtrOrNull());
if (!record_type) {
LLDB_LOGV(log, "[ExtractSwiftTypeFromCxxInteropType] "
"Type is not a record type.");
return {};
}
const clang::RecordDecl *record_decl = record_type->getDecl();
auto *metadata = tsc->GetMetadata(record_decl);
if (metadata && !metadata->GetIsPotentiallySwiftInteropType())
return {};
for (auto *child_decl : record_decl->decls()) {
auto *var_decl = llvm::dyn_cast<clang::VarDecl>(child_decl);
if (!var_decl)
continue;
auto name = var_decl->getName();
if (name != "__swift_mangled_name")
continue;
const auto *typedef_type =
llvm::dyn_cast<clang::TypedefType>(var_decl->getType());
if (!typedef_type)
break;
auto *decl = typedef_type->getDecl();
if (!decl)
break;
return decl->getName();
}
return {};
}
static CompilerType ExtractSwiftTypeFromCxxInteropTypeName(
CompilerType type, llvm::StringRef swift_name, TypeSystemSwift &ts,
SwiftLanguageRuntime &swift_runtime) {
if (!swift::Demangle::isMangledName(swift_name))
return {};
CompilerType swift_type =
ts.GetTypeFromMangledTypename(ConstString(swift_name));
if (!swift_type)
return {};
auto bound_type = swift_runtime.BindGenericTypeParameters(
swift_type, [&](unsigned depth, unsigned index) -> CompilerType {
assert(depth == 0 && "Unexpected depth! C++ interop does not support "
"nested generic parameters");
if (depth > 0)
return {};
CompilerType templated_type = type.GetTypeTemplateArgument(index);
CompilerType substituted_type = ExtractSwiftTypeFromCxxInteropTypeName(
templated_type,
ExtractSwiftTypeNameFromCxxInteropType(templated_type), ts,
swift_runtime);
// The generic type might also not be a user defined type which
// ExtractSwiftTypeFromCxxInteropType can find, but which is still
// convertible to Swift (for example, int -> Int32). Attempt to
// convert it to a Swift type.
if (!substituted_type)
substituted_type = ts.ConvertClangTypeToSwiftType(templated_type);
return substituted_type;
});
return bound_type;
}
/// Synthetic child that wraps a value object.
class ValueObjectWrapperSyntheticChildren : public SyntheticChildren {
class ValueObjectWrapperFrontEndProvider : public SyntheticChildrenFrontEnd {
public:
ValueObjectWrapperFrontEndProvider(ValueObject &backend)
: SyntheticChildrenFrontEnd(backend) {}
llvm::Expected<uint32_t> CalculateNumChildren() override { return 1; }
lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override {
return idx == 0 ? m_backend.GetSP() : nullptr;
}
size_t GetIndexOfChildWithName(ConstString name) override {
return m_backend.GetName() == name ? 0 : UINT32_MAX;
}
lldb::ChildCacheState Update() override { return ChildCacheState::eRefetch; }
bool MightHaveChildren() override { return true; }
ConstString GetSyntheticTypeName() override {
return m_backend.GetCompilerType().GetTypeName();
}
};
public:
ValueObjectWrapperSyntheticChildren(ValueObjectSP valobj, const Flags &flags)
: SyntheticChildren(flags), m_valobj(valobj) {}
SyntheticChildrenFrontEnd::AutoPointer
GetFrontEnd(ValueObject &backend) override {
if (!m_valobj)
return nullptr;
// We ignore the backend parameter here, as we have a more specific one
// available.
return std::make_unique<ValueObjectWrapperFrontEndProvider>(*m_valobj);
}
bool IsScripted() override { return false; }
std::string GetDescription() override {
return "C++ bridged synthetic children";
}
private:
ValueObjectSP m_valobj;
};
HardcodedFormatters::HardcodedSyntheticFinder
SwiftLanguage::GetHardcodedSynthetics() {
static std::once_flag g_initialize;
static ConstString g_runtime_synths_category_name("runtime-synthetics");
static HardcodedFormatters::HardcodedSyntheticFinder g_formatters;
std::call_once(g_initialize, []() -> void {
g_formatters.push_back([](lldb_private::ValueObject &valobj,
lldb::DynamicValueType,
FormatManager &) -> lldb::SyntheticChildrenSP {
static lldb::SyntheticChildrenSP swift_enum_synth(nullptr);
CompilerType type(valobj.GetCompilerType());
Flags type_flags(type.GetTypeInfo());
if (type_flags.AllSet(eTypeIsSwift | eTypeIsEnumeration)) {
// FIXME: The classification of clang-imported enums may
// change based on whether a Swift module is present or not.
if (!valobj.GetValueAsCString())
return nullptr;
if (!swift_enum_synth)
swift_enum_synth = lldb::SyntheticChildrenSP(new CXXSyntheticChildren(
SyntheticChildren::Flags()
.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(true),
"swift Enum synthetic children provider",
lldb_private::formatters::swift::EnumSyntheticFrontEndCreator));
return swift_enum_synth;
}
return nullptr;
});
g_formatters.push_back(
[](lldb_private::ValueObject &valobj, lldb::DynamicValueType dyn_type,
FormatManager &format_manager) -> lldb::SyntheticChildrenSP {
struct IsEligible {
static bool Check(ValueObject &valobj, const CompilerType &type) {
bool is_imported = false;
if (type.IsValid()) {
auto swift_ast_ctx =
type.GetTypeSystem().dyn_cast_or_null<TypeSystemSwift>();
if (swift_ast_ctx && swift_ast_ctx->IsImportedType(
type.GetOpaqueQualType(), nullptr))
is_imported = true;
}
ExecutionContext exe_ctx(valobj.GetExecutionContextRef());
if (is_imported && type.GetNumFields(&exe_ctx) == 0)
return true;
if (valobj.IsBaseClass() && type.IsRuntimeGeneratedType()) {
auto parent(valobj.GetParent());
if (!parent)
return false;
return IsEligible::Check(*parent, parent->GetCompilerType());
}
return false;
}
};
if (dyn_type == lldb::eNoDynamicValues)
return nullptr;
CompilerType type(valobj.GetCompilerType());
const bool can_create = false;
auto category_sp(format_manager.GetCategory(
g_runtime_synths_category_name, can_create));
if (!category_sp || category_sp->IsEnabled() == false)
return nullptr;
if (IsEligible::Check(valobj, type)) {
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return nullptr;
// If this is a Swift tagged pointer, the Objective-C data
// formatters may incorrectly classify it as an
// Objective-C tagged pointer.
AddressType address_type;
lldb::addr_t ptr = valobj.GetPointerValue(&address_type);
auto *swift_runtime = SwiftLanguageRuntime::Get(process_sp);
if (!swift_runtime)
return nullptr;
if (swift_runtime->IsTaggedPointer(ptr, valobj.GetCompilerType()))
return nullptr;
ObjCLanguageRuntime *objc_runtime =
ObjCLanguageRuntime::Get(*process_sp);
if (!objc_runtime)
return nullptr;
ObjCLanguageRuntime::ClassDescriptorSP valobj_descriptor_sp =
objc_runtime->GetClassDescriptor(valobj);
if (valobj_descriptor_sp) {
return SyntheticChildrenSP(
new ObjCRuntimeSyntheticProvider(SyntheticChildren::Flags()
.SetCascades(true)
.SetSkipPointers(true)
.SetSkipReferences(true)
.SetNonCacheable(true),
valobj_descriptor_sp));
}
}
return nullptr;
});
g_formatters.push_back(
[](lldb_private::ValueObject &valobj, lldb::DynamicValueType dyn_type,
FormatManager &format_manager) -> lldb::SyntheticChildrenSP {
struct IsEligible {
static bool Check(const CompilerType &type) {
if ((TypeSystemClang::IsObjCObjectPointerType(type) ||
TypeSystemClang::IsObjCObjectOrInterfaceType(type)) &&
SwiftLanguageRuntime::IsSwiftClassName(
type.GetTypeName().GetCString()))
return true;
return false;
}
};
if (dyn_type == lldb::eNoDynamicValues)
return nullptr;
CompilerType type(valobj.GetCompilerType());
if (IsEligible::Check(type)) {