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Diffstat (limited to 'contrib/llvm/tools/lldb/source/Target/Language.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Target/Language.cpp | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/Language.cpp b/contrib/llvm/tools/lldb/source/Target/Language.cpp new file mode 100644 index 0000000..d6c7e0a --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Target/Language.cpp @@ -0,0 +1,458 @@ +//===-- Language.cpp -------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include <functional> +#include <map> +#include <mutex> + +#include "lldb/Target/Language.h" + +#include "lldb/Host/Mutex.h" +#include "lldb/Core/PluginManager.h" +#include "lldb/Core/Stream.h" + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::formatters; + +typedef std::unique_ptr<Language> LanguageUP; +typedef std::map<lldb::LanguageType, LanguageUP> LanguagesMap; + +static LanguagesMap& +GetLanguagesMap () +{ + static LanguagesMap *g_map = nullptr; + static std::once_flag g_initialize; + + std::call_once(g_initialize, [] { + g_map = new LanguagesMap(); // NOTE: INTENTIONAL LEAK due to global destructor chain + }); + + return *g_map; +} +static Mutex& +GetLanguagesMutex () +{ + static Mutex *g_mutex = nullptr; + static std::once_flag g_initialize; + + std::call_once(g_initialize, [] { + g_mutex = new Mutex(); // NOTE: INTENTIONAL LEAK due to global destructor chain + }); + + return *g_mutex; +} + +Language* +Language::FindPlugin (lldb::LanguageType language) +{ + Mutex::Locker locker(GetLanguagesMutex()); + LanguagesMap& map(GetLanguagesMap()); + auto iter = map.find(language), end = map.end(); + if (iter != end) + return iter->second.get(); + + Language *language_ptr = nullptr; + LanguageCreateInstance create_callback; + + for (uint32_t idx = 0; + (create_callback = PluginManager::GetLanguageCreateCallbackAtIndex(idx)) != nullptr; + ++idx) + { + language_ptr = create_callback(language); + + if (language_ptr) + { + map[language] = std::unique_ptr<Language>(language_ptr); + return language_ptr; + } + } + + return nullptr; +} + +void +Language::ForEach (std::function<bool(Language*)> callback) +{ + Mutex::Locker locker(GetLanguagesMutex()); + LanguagesMap& map(GetLanguagesMap()); + for (const auto& entry : map) + { + if (!callback(entry.second.get())) + break; + } +} + +bool +Language::IsTopLevelFunction (Function& function) +{ + return false; +} + +lldb::TypeCategoryImplSP +Language::GetFormatters () +{ + return nullptr; +} + +HardcodedFormatters::HardcodedFormatFinder +Language::GetHardcodedFormats () +{ + return {}; +} + +HardcodedFormatters::HardcodedSummaryFinder +Language::GetHardcodedSummaries () +{ + return {}; +} + +HardcodedFormatters::HardcodedSyntheticFinder +Language::GetHardcodedSynthetics () +{ + return {}; +} + +HardcodedFormatters::HardcodedValidatorFinder +Language::GetHardcodedValidators () +{ + return {}; +} + +std::vector<ConstString> +Language::GetPossibleFormattersMatches (ValueObject& valobj, lldb::DynamicValueType use_dynamic) +{ + return {}; +} + +lldb_private::formatters::StringPrinter::EscapingHelper +Language::GetStringPrinterEscapingHelper (lldb_private::formatters::StringPrinter::GetPrintableElementType elem_type) +{ + return StringPrinter::GetDefaultEscapingHelper(elem_type); +} + +struct language_name_pair { + const char *name; + LanguageType type; +}; + +struct language_name_pair language_names[] = +{ + // To allow GetNameForLanguageType to be a simple array lookup, the first + // part of this array must follow enum LanguageType exactly. + { "unknown", eLanguageTypeUnknown }, + { "c89", eLanguageTypeC89 }, + { "c", eLanguageTypeC }, + { "ada83", eLanguageTypeAda83 }, + { "c++", eLanguageTypeC_plus_plus }, + { "cobol74", eLanguageTypeCobol74 }, + { "cobol85", eLanguageTypeCobol85 }, + { "fortran77", eLanguageTypeFortran77 }, + { "fortran90", eLanguageTypeFortran90 }, + { "pascal83", eLanguageTypePascal83 }, + { "modula2", eLanguageTypeModula2 }, + { "java", eLanguageTypeJava }, + { "c99", eLanguageTypeC99 }, + { "ada95", eLanguageTypeAda95 }, + { "fortran95", eLanguageTypeFortran95 }, + { "pli", eLanguageTypePLI }, + { "objective-c", eLanguageTypeObjC }, + { "objective-c++", eLanguageTypeObjC_plus_plus }, + { "upc", eLanguageTypeUPC }, + { "d", eLanguageTypeD }, + { "python", eLanguageTypePython }, + { "opencl", eLanguageTypeOpenCL }, + { "go", eLanguageTypeGo }, + { "modula3", eLanguageTypeModula3 }, + { "haskell", eLanguageTypeHaskell }, + { "c++03", eLanguageTypeC_plus_plus_03 }, + { "c++11", eLanguageTypeC_plus_plus_11 }, + { "ocaml", eLanguageTypeOCaml }, + { "rust", eLanguageTypeRust }, + { "c11", eLanguageTypeC11 }, + { "swift", eLanguageTypeSwift }, + { "julia", eLanguageTypeJulia }, + { "dylan", eLanguageTypeDylan }, + { "c++14", eLanguageTypeC_plus_plus_14 }, + { "fortran03", eLanguageTypeFortran03 }, + { "fortran08", eLanguageTypeFortran08 }, + // Vendor Extensions + { "mipsassem", eLanguageTypeMipsAssembler }, + { "renderscript", eLanguageTypeExtRenderScript}, + // Now synonyms, in arbitrary order + { "objc", eLanguageTypeObjC }, + { "objc++", eLanguageTypeObjC_plus_plus }, + { "pascal", eLanguageTypePascal83 } +}; + +static uint32_t num_languages = sizeof(language_names) / sizeof (struct language_name_pair); + +LanguageType +Language::GetLanguageTypeFromString (const char *string) +{ + for (uint32_t i = 0; i < num_languages; i++) + { + if (strcasecmp (language_names[i].name, string) == 0) + return (LanguageType) language_names[i].type; + } + return eLanguageTypeUnknown; +} + +const char * +Language::GetNameForLanguageType (LanguageType language) +{ + if (language < num_languages) + return language_names[language].name; + else + return language_names[eLanguageTypeUnknown].name; +} + +void +Language::PrintAllLanguages (Stream &s, const char *prefix, const char *suffix) +{ + for (uint32_t i = 1; i < num_languages; i++) + { + s.Printf("%s%s%s", prefix, language_names[i].name, suffix); + } +} + +void +Language::ForAllLanguages (std::function<bool(lldb::LanguageType)> callback) +{ + for (uint32_t i = 1; i < num_languages; i++) + { + if (!callback(language_names[i].type)) + break; + } +} + +bool +Language::LanguageIsCPlusPlus (LanguageType language) +{ + switch (language) + { + case eLanguageTypeC_plus_plus: + case eLanguageTypeC_plus_plus_03: + case eLanguageTypeC_plus_plus_11: + case eLanguageTypeC_plus_plus_14: + return true; + default: + return false; + } +} + +bool +Language::LanguageIsObjC (LanguageType language) +{ + switch (language) + { + case eLanguageTypeObjC: + case eLanguageTypeObjC_plus_plus: + return true; + default: + return false; + } +} + +bool +Language::LanguageIsC (LanguageType language) +{ + switch (language) + { + case eLanguageTypeC: + case eLanguageTypeC89: + case eLanguageTypeC99: + case eLanguageTypeC11: + return true; + default: + return false; + } +} + +bool +Language::LanguageIsPascal (LanguageType language) +{ + switch (language) + { + case eLanguageTypePascal83: + return true; + default: + return false; + } +} + +LanguageType +Language::GetPrimaryLanguage (LanguageType language) +{ + switch (language) + { + case eLanguageTypeC_plus_plus: + case eLanguageTypeC_plus_plus_03: + case eLanguageTypeC_plus_plus_11: + case eLanguageTypeC_plus_plus_14: + return eLanguageTypeC_plus_plus; + case eLanguageTypeC: + case eLanguageTypeC89: + case eLanguageTypeC99: + case eLanguageTypeC11: + return eLanguageTypeC; + case eLanguageTypeObjC: + case eLanguageTypeObjC_plus_plus: + return eLanguageTypeObjC; + case eLanguageTypePascal83: + case eLanguageTypeCobol74: + case eLanguageTypeCobol85: + case eLanguageTypeFortran77: + case eLanguageTypeFortran90: + case eLanguageTypeFortran95: + case eLanguageTypeFortran03: + case eLanguageTypeFortran08: + case eLanguageTypeAda83: + case eLanguageTypeAda95: + case eLanguageTypeModula2: + case eLanguageTypeJava: + case eLanguageTypePLI: + case eLanguageTypeUPC: + case eLanguageTypeD: + case eLanguageTypePython: + case eLanguageTypeOpenCL: + case eLanguageTypeGo: + case eLanguageTypeModula3: + case eLanguageTypeHaskell: + case eLanguageTypeOCaml: + case eLanguageTypeRust: + case eLanguageTypeSwift: + case eLanguageTypeJulia: + case eLanguageTypeDylan: + case eLanguageTypeMipsAssembler: + case eLanguageTypeExtRenderScript: + case eLanguageTypeUnknown: + default: + return language; + } +} + +void +Language::GetLanguagesSupportingTypeSystems (std::set<lldb::LanguageType> &languages, + std::set<lldb::LanguageType> &languages_for_expressions) +{ + uint32_t idx = 0; + + while (TypeSystemEnumerateSupportedLanguages enumerate = PluginManager::GetTypeSystemEnumerateSupportedLanguagesCallbackAtIndex(idx++)) + { + (*enumerate)(languages, languages_for_expressions); + } +} + +void +Language::GetLanguagesSupportingREPLs (std::set<lldb::LanguageType> &languages) +{ + uint32_t idx = 0; + + while (REPLEnumerateSupportedLanguages enumerate = PluginManager::GetREPLEnumerateSupportedLanguagesCallbackAtIndex(idx++)) + { + (*enumerate)(languages); + } +} + +std::unique_ptr<Language::TypeScavenger> +Language::GetTypeScavenger () +{ + return nullptr; +} + +size_t +Language::TypeScavenger::Find (ExecutionContextScope *exe_scope, + const char *key, + ResultSet &results, + bool append) +{ + if (!exe_scope || !exe_scope->CalculateTarget().get()) + return false; + + if (!key || !key[0]) + return false; + + if (!append) + results.clear(); + + size_t old_size = results.size(); + + if (this->Find_Impl(exe_scope, key, results)) + return results.size() - old_size; + return 0; +} + +bool +Language::GetFormatterPrefixSuffix (ValueObject& valobj, ConstString type_hint, + std::string& prefix, std::string& suffix) +{ + return false; +} + +DumpValueObjectOptions::DeclPrintingHelper +Language::GetDeclPrintingHelper () +{ + return nullptr; +} + +LazyBool +Language::IsLogicalTrue (ValueObject& valobj, + Error& error) +{ + return eLazyBoolCalculate; +} + +bool +Language::IsNilReference (ValueObject& valobj) +{ + return false; +} + +bool +Language::IsUninitializedReference (ValueObject& valobj) +{ + return false; +} + +bool +Language::GetFunctionDisplayName (const SymbolContext *sc, + const ExecutionContext *exe_ctx, + FunctionNameRepresentation representation, + Stream& s) +{ + return false; +} + +void +Language::GetExceptionResolverDescription(bool catch_on, bool throw_on, Stream &s) +{ + GetDefaultExceptionResolverDescription(catch_on, throw_on, s); +} + +void +Language::GetDefaultExceptionResolverDescription(bool catch_on, bool throw_on, Stream &s) +{ + s.Printf ("Exception breakpoint (catch: %s throw: %s)", + catch_on ? "on" : "off", + throw_on ? "on" : "off"); +} +//---------------------------------------------------------------------- +// Constructor +//---------------------------------------------------------------------- +Language::Language() +{ +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +Language::~Language() +{ +} |
