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source/Symbol/TypeSystem.cpp
| Show All 14 Lines | |||||
| // | // | ||||
| #include "lldb/Symbol/TypeSystem.h" | #include "lldb/Symbol/TypeSystem.h" | ||||
| #include <set> | #include <set> | ||||
| #include "lldb/Core/PluginManager.h" | #include "lldb/Core/PluginManager.h" | ||||
| #include "lldb/Symbol/CompilerType.h" | #include "lldb/Symbol/CompilerType.h" | ||||
| #include "lldb/Target/Language.h" | |||||
| using namespace lldb_private; | using namespace lldb_private; | ||||
| using namespace lldb; | using namespace lldb; | ||||
| TypeSystem::TypeSystem(LLVMCastKind kind) : m_kind(kind), m_sym_file(nullptr) {} | TypeSystem::TypeSystem(LLVMCastKind kind) : m_kind(kind), m_sym_file(nullptr) {} | ||||
| TypeSystem::~TypeSystem() {} | TypeSystem::~TypeSystem() {} | ||||
| ▲ Show 20 Lines • Show All 162 Lines • ▼ Show 20 Lines | for (auto pair : m_map) { | ||||
| if (type_system && !visited.count(type_system)) { | if (type_system && !visited.count(type_system)) { | ||||
| visited.insert(type_system); | visited.insert(type_system); | ||||
| if (!callback(type_system)) | if (!callback(type_system)) | ||||
| break; | break; | ||||
| } | } | ||||
| } | } | ||||
| } | } | ||||
| TypeSystem *TypeSystemMap::GetTypeSystemForLanguage(lldb::LanguageType language, | llvm::Expected<TypeSystem &> | ||||
| Module *module, | TypeSystemMap::GetTypeSystemForLanguage(lldb::LanguageType language, | ||||
| bool can_create) { | Module *module, bool can_create) { | ||||
| llvm::Error error = llvm::Error::success(); | |||||
| assert(!error); // Check the success value when assertions are enabled | |||||
| std::lock_guard<std::mutex> guard(m_mutex); | std::lock_guard<std::mutex> guard(m_mutex); | ||||
| if (m_clear_in_progress) { | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "Unable to get TypeSystem because TypeSystemMap is being cleared", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| } else { | |||||
| collection::iterator pos = m_map.find(language); | collection::iterator pos = m_map.find(language); | ||||
| if (pos != m_map.end()) | if (pos != m_map.end()) { | ||||
| return pos->second.get(); | auto *type_system = pos->second.get(); | ||||
| if (type_system) { | |||||
| llvm::consumeError(std::move(error)); | |||||
| return *type_system; | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| return std::move(error); | |||||
| } | |||||
| for (const auto &pair : m_map) { | for (const auto &pair : m_map) { | ||||
| if (pair.second && pair.second->SupportsLanguage(language)) { | if (pair.second && pair.second->SupportsLanguage(language)) { | ||||
| // Add a new mapping for "language" to point to an already existing | // Add a new mapping for "language" to point to an already existing | ||||
| // TypeSystem that supports this language | // TypeSystem that supports this language | ||||
| AddToMap(language, pair.second); | m_map[language] = pair.second; | ||||
| return pair.second.get(); | if (pair.second.get()) { | ||||
| llvm::consumeError(std::move(error)); | |||||
| return *pair.second.get(); | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| return std::move(error); | |||||
| } | } | ||||
| } | } | ||||
| if (!can_create) | if (!can_create) { | ||||
| return nullptr; | error = llvm::make_error<llvm::StringError>( | ||||
| "Unable to find type system for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)), | |||||
| llvm::inconvertibleErrorCode()); | |||||
| } else { | |||||
| // Cache even if we get a shared pointer that contains a null type system | |||||
| // back | |||||
| auto type_system_sp = TypeSystem::CreateInstance(language, module); | |||||
| m_map[language] = type_system_sp; | |||||
| if (type_system_sp.get()) { | |||||
| llvm::consumeError(std::move(error)); | |||||
| return *type_system_sp.get(); | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| } | |||||
| } | |||||
| // Cache even if we get a shared pointer that contains null type system back | return std::move(error); | ||||
| lldb::TypeSystemSP type_system_sp = | |||||
| TypeSystem::CreateInstance(language, module); | |||||
| AddToMap(language, type_system_sp); | |||||
| return type_system_sp.get(); | |||||
| } | } | ||||
| TypeSystem *TypeSystemMap::GetTypeSystemForLanguage(lldb::LanguageType language, | llvm::Expected<TypeSystem &> | ||||
| Target *target, | TypeSystemMap::GetTypeSystemForLanguage(lldb::LanguageType language, | ||||
| bool can_create) { | Target *target, bool can_create) { | ||||
| llvm::Error error = llvm::Error::success(); | |||||
| assert(!error); // Check the success value when assertions are enabled | |||||
| std::lock_guard<std::mutex> guard(m_mutex); | std::lock_guard<std::mutex> guard(m_mutex); | ||||
| if (m_clear_in_progress) { | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "Unable to get TypeSystem because TypeSystemMap is being cleared", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| } else { | |||||
| collection::iterator pos = m_map.find(language); | collection::iterator pos = m_map.find(language); | ||||
| if (pos != m_map.end()) | if (pos != m_map.end()) { | ||||
| return pos->second.get(); | auto *type_system = pos->second.get(); | ||||
| if (type_system) { | |||||
| llvm::consumeError(std::move(error)); | |||||
| return *type_system; | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| return std::move(error); | |||||
| } | |||||
| for (const auto &pair : m_map) { | for (const auto &pair : m_map) { | ||||
| if (pair.second && pair.second->SupportsLanguage(language)) { | if (pair.second && pair.second->SupportsLanguage(language)) { | ||||
| // Add a new mapping for "language" to point to an already existing | // Add a new mapping for "language" to point to an already existing | ||||
| // TypeSystem that supports this language | // TypeSystem that supports this language | ||||
| m_map[language] = pair.second; | |||||
| AddToMap(language, pair.second); | if (pair.second.get()) { | ||||
| return pair.second.get(); | llvm::consumeError(std::move(error)); | ||||
| return *pair.second.get(); | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| return std::move(error); | |||||
| } | } | ||||
| } | } | ||||
| if (!can_create) | if (!can_create) { | ||||
| return nullptr; | error = llvm::make_error<llvm::StringError>( | ||||
| "Unable to find type system for language " + | |||||
| // Cache even if we get a shared pointer that contains null type system back | llvm::toStringRef(Language::GetNameForLanguageType(language)), | ||||
| lldb::TypeSystemSP type_system_sp; | llvm::inconvertibleErrorCode()); | ||||
| if (!m_clear_in_progress) | } else { | ||||
| type_system_sp = TypeSystem::CreateInstance(language, target); | // Cache even if we get a shared pointer that contains a null type system | ||||
| // back | |||||
| AddToMap(language, type_system_sp); | auto type_system_sp = TypeSystem::CreateInstance(language, target); | ||||
| return type_system_sp.get(); | m_map[language] = type_system_sp; | ||||
| if (type_system_sp.get()) { | |||||
| llvm::consumeError(std::move(error)); | |||||
| return *type_system_sp.get(); | |||||
| } | |||||
| error = llvm::make_error<llvm::StringError>( | |||||
| "TypeSystem for language " + | |||||
| llvm::toStringRef(Language::GetNameForLanguageType(language)) + | |||||
| " doesn't exist", | |||||
| llvm::inconvertibleErrorCode()); | |||||
| } | |||||
| } | } | ||||
| void TypeSystemMap::AddToMap(lldb::LanguageType language, | return std::move(error); | ||||
| lldb::TypeSystemSP const &type_system_sp) { | |||||
| if (!m_clear_in_progress) | |||||
| m_map[language] = type_system_sp; | |||||
| } | } | ||||