diff options
Diffstat (limited to 'clang/lib')
-rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 3 | ||||
-rw-r--r-- | clang/lib/Frontend/FrontendActions.cpp | 48 | ||||
-rw-r--r-- | clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp | 2 | ||||
-rw-r--r-- | clang/lib/Lex/PPMacroExpansion.cpp | 216 |
4 files changed, 62 insertions, 207 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 594164332ec..b5396dd758f 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -1396,6 +1396,8 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Opts.ProgramAction = frontend::ASTPrint; break; case OPT_ast_view: Opts.ProgramAction = frontend::ASTView; break; + case OPT_compiler_options_dump: + Opts.ProgramAction = frontend::DumpCompilerOptions; break; case OPT_dump_raw_tokens: Opts.ProgramAction = frontend::DumpRawTokens; break; case OPT_dump_tokens: @@ -2788,6 +2790,7 @@ static bool isStrictlyPreprocessorAction(frontend::ActionKind Action) { case frontend::MigrateSource: return false; + case frontend::DumpCompilerOptions: case frontend::DumpRawTokens: case frontend::DumpTokens: case frontend::InitOnly: diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp index 13f05371718..602fee1fdca 100644 --- a/clang/lib/Frontend/FrontendActions.cpp +++ b/clang/lib/Frontend/FrontendActions.cpp @@ -756,3 +756,51 @@ void PrintPreambleAction::ExecuteAction() { llvm::outs().write((*Buffer)->getBufferStart(), Preamble); } } + +void DumpCompilerOptionsAction::ExecuteAction() { + CompilerInstance &CI = getCompilerInstance(); + std::unique_ptr<raw_ostream> OSP = + CI.createDefaultOutputFile(false, getCurrentFile()); + if (!OSP) + return; + + raw_ostream &OS = *OSP; + const Preprocessor &PP = CI.getPreprocessor(); + const LangOptions &LangOpts = PP.getLangOpts(); + + // FIXME: Rather than manually format the JSON (which is awkward due to + // needing to remove trailing commas), this should make use of a JSON library. + // FIXME: Instead of printing enums as an integral value and specifying the + // type as a separate field, use introspection to print the enumerator. + + OS << "{\n"; + OS << "\n\"features\" : [\n"; + { + llvm::SmallString<128> Str; +#define FEATURE(Name, Predicate) \ + ("\t{\"" #Name "\" : " + llvm::Twine(Predicate ? "true" : "false") + "},\n") \ + .toVector(Str); +#include "clang/Basic/Features.def" +#undef FEATURE + // Remove the newline and comma from the last entry to ensure this remains + // valid JSON. + OS << Str.substr(0, Str.size() - 2); + } + OS << "\n],\n"; + + OS << "\n\"extensions\" : [\n"; + { + llvm::SmallString<128> Str; +#define EXTENSION(Name, Predicate) \ + ("\t{\"" #Name "\" : " + llvm::Twine(Predicate ? "true" : "false") + "},\n") \ + .toVector(Str); +#include "clang/Basic/Features.def" +#undef EXTENSION + // Remove the newline and comma from the last entry to ensure this remains + // valid JSON. + OS << Str.substr(0, Str.size() - 2); + } + OS << "\n]\n"; + + OS << "}"; +} diff --git a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp index 1bb939a6fad..ac2ee50a1e4 100644 --- a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp +++ b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp @@ -45,6 +45,8 @@ CreateFrontendBaseAction(CompilerInstance &CI) { case ASTDump: return llvm::make_unique<ASTDumpAction>(); case ASTPrint: return llvm::make_unique<ASTPrintAction>(); case ASTView: return llvm::make_unique<ASTViewAction>(); + case DumpCompilerOptions: + return llvm::make_unique<DumpCompilerOptionsAction>(); case DumpRawTokens: return llvm::make_unique<DumpRawTokensAction>(); case DumpTokens: return llvm::make_unique<DumpTokensAction>(); case EmitAssembly: return llvm::make_unique<EmitAssemblyAction>(); diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp index 21b33861888..d9992e00f8c 100644 --- a/clang/lib/Lex/PPMacroExpansion.cpp +++ b/clang/lib/Lex/PPMacroExpansion.cpp @@ -1099,187 +1099,11 @@ static bool HasFeature(const Preprocessor &PP, StringRef Feature) { if (Feature.startswith("__") && Feature.endswith("__") && Feature.size() >= 4) Feature = Feature.substr(2, Feature.size() - 4); +#define FEATURE(Name, Predicate) .Case(#Name, Predicate) return llvm::StringSwitch<bool>(Feature) - .Case("address_sanitizer", - LangOpts.Sanitize.hasOneOf(SanitizerKind::Address | - SanitizerKind::KernelAddress)) - .Case("hwaddress_sanitizer", - LangOpts.Sanitize.hasOneOf(SanitizerKind::HWAddress | - SanitizerKind::KernelHWAddress)) - .Case("assume_nonnull", true) - .Case("attribute_analyzer_noreturn", true) - .Case("attribute_availability", true) - .Case("attribute_availability_with_message", true) - .Case("attribute_availability_app_extension", true) - .Case("attribute_availability_with_version_underscores", true) - .Case("attribute_availability_tvos", true) - .Case("attribute_availability_watchos", true) - .Case("attribute_availability_with_strict", true) - .Case("attribute_availability_with_replacement", true) - .Case("attribute_availability_in_templates", true) - .Case("attribute_cf_returns_not_retained", true) - .Case("attribute_cf_returns_retained", true) - .Case("attribute_cf_returns_on_parameters", true) - .Case("attribute_deprecated_with_message", true) - .Case("attribute_deprecated_with_replacement", true) - .Case("attribute_ext_vector_type", true) - .Case("attribute_ns_returns_not_retained", true) - .Case("attribute_ns_returns_retained", true) - .Case("attribute_ns_consumes_self", true) - .Case("attribute_ns_consumed", true) - .Case("attribute_cf_consumed", true) - .Case("attribute_objc_ivar_unused", true) - .Case("attribute_objc_method_family", true) - .Case("attribute_overloadable", true) - .Case("attribute_unavailable_with_message", true) - .Case("attribute_unused_on_fields", true) - .Case("attribute_diagnose_if_objc", true) - .Case("blocks", LangOpts.Blocks) - .Case("c_thread_safety_attributes", true) - .Case("cxx_exceptions", LangOpts.CXXExceptions) - .Case("cxx_rtti", LangOpts.RTTI && LangOpts.RTTIData) - .Case("enumerator_attributes", true) - .Case("nullability", true) - .Case("nullability_on_arrays", true) - .Case("memory_sanitizer", LangOpts.Sanitize.has(SanitizerKind::Memory)) - .Case("thread_sanitizer", LangOpts.Sanitize.has(SanitizerKind::Thread)) - .Case("dataflow_sanitizer", - LangOpts.Sanitize.has(SanitizerKind::DataFlow)) - .Case("efficiency_sanitizer", - LangOpts.Sanitize.hasOneOf(SanitizerKind::Efficiency)) - .Case("scudo", LangOpts.Sanitize.hasOneOf(SanitizerKind::Scudo)) - // Objective-C features - .Case("objc_arr", LangOpts.ObjCAutoRefCount) // FIXME: REMOVE? - .Case("objc_arc", LangOpts.ObjCAutoRefCount) - .Case("objc_arc_fields", true) - .Case("objc_arc_weak", LangOpts.ObjCWeak) - .Case("objc_default_synthesize_properties", LangOpts.ObjC2) - .Case("objc_fixed_enum", LangOpts.ObjC2) - .Case("objc_instancetype", LangOpts.ObjC2) - .Case("objc_kindof", LangOpts.ObjC2) - .Case("objc_modules", LangOpts.ObjC2 && LangOpts.Modules) - .Case("objc_nonfragile_abi", LangOpts.ObjCRuntime.isNonFragile()) - .Case("objc_property_explicit_atomic", - true) // Does clang support explicit "atomic" keyword? - .Case("objc_protocol_qualifier_mangling", true) - .Case("objc_weak_class", LangOpts.ObjCRuntime.hasWeakClassImport()) - .Case("ownership_holds", true) - .Case("ownership_returns", true) - .Case("ownership_takes", true) - .Case("objc_bool", true) - .Case("objc_subscripting", LangOpts.ObjCRuntime.isNonFragile()) - .Case("objc_array_literals", LangOpts.ObjC2) - .Case("objc_dictionary_literals", LangOpts.ObjC2) - .Case("objc_boxed_expressions", LangOpts.ObjC2) - .Case("objc_boxed_nsvalue_expressions", LangOpts.ObjC2) - .Case("arc_cf_code_audited", true) - .Case("objc_bridge_id", true) - .Case("objc_bridge_id_on_typedefs", true) - .Case("objc_generics", LangOpts.ObjC2) - .Case("objc_generics_variance", LangOpts.ObjC2) - .Case("objc_class_property", LangOpts.ObjC2) - // C11 features - .Case("c_alignas", LangOpts.C11) - .Case("c_alignof", LangOpts.C11) - .Case("c_atomic", LangOpts.C11) - .Case("c_generic_selections", LangOpts.C11) - .Case("c_static_assert", LangOpts.C11) - .Case("c_thread_local", - LangOpts.C11 && PP.getTargetInfo().isTLSSupported()) - // C++11 features - .Case("cxx_access_control_sfinae", LangOpts.CPlusPlus11) - .Case("cxx_alias_templates", LangOpts.CPlusPlus11) - .Case("cxx_alignas", LangOpts.CPlusPlus11) - .Case("cxx_alignof", LangOpts.CPlusPlus11) - .Case("cxx_atomic", LangOpts.CPlusPlus11) - .Case("cxx_attributes", LangOpts.CPlusPlus11) - .Case("cxx_auto_type", LangOpts.CPlusPlus11) - .Case("cxx_constexpr", LangOpts.CPlusPlus11) - .Case("cxx_constexpr_string_builtins", LangOpts.CPlusPlus11) - .Case("cxx_decltype", LangOpts.CPlusPlus11) - .Case("cxx_decltype_incomplete_return_types", LangOpts.CPlusPlus11) - .Case("cxx_default_function_template_args", LangOpts.CPlusPlus11) - .Case("cxx_defaulted_functions", LangOpts.CPlusPlus11) - .Case("cxx_delegating_constructors", LangOpts.CPlusPlus11) - .Case("cxx_deleted_functions", LangOpts.CPlusPlus11) - .Case("cxx_explicit_conversions", LangOpts.CPlusPlus11) - .Case("cxx_generalized_initializers", LangOpts.CPlusPlus11) - .Case("cxx_implicit_moves", LangOpts.CPlusPlus11) - .Case("cxx_inheriting_constructors", LangOpts.CPlusPlus11) - .Case("cxx_inline_namespaces", LangOpts.CPlusPlus11) - .Case("cxx_lambdas", LangOpts.CPlusPlus11) - .Case("cxx_local_type_template_args", LangOpts.CPlusPlus11) - .Case("cxx_nonstatic_member_init", LangOpts.CPlusPlus11) - .Case("cxx_noexcept", LangOpts.CPlusPlus11) - .Case("cxx_nullptr", LangOpts.CPlusPlus11) - .Case("cxx_override_control", LangOpts.CPlusPlus11) - .Case("cxx_range_for", LangOpts.CPlusPlus11) - .Case("cxx_raw_string_literals", LangOpts.CPlusPlus11) - .Case("cxx_reference_qualified_functions", LangOpts.CPlusPlus11) - .Case("cxx_rvalue_references", LangOpts.CPlusPlus11) - .Case("cxx_strong_enums", LangOpts.CPlusPlus11) - .Case("cxx_static_assert", LangOpts.CPlusPlus11) - .Case("cxx_thread_local", - LangOpts.CPlusPlus11 && PP.getTargetInfo().isTLSSupported()) - .Case("cxx_trailing_return", LangOpts.CPlusPlus11) - .Case("cxx_unicode_literals", LangOpts.CPlusPlus11) - .Case("cxx_unrestricted_unions", LangOpts.CPlusPlus11) - .Case("cxx_user_literals", LangOpts.CPlusPlus11) - .Case("cxx_variadic_templates", LangOpts.CPlusPlus11) - // C++14 features - .Case("cxx_aggregate_nsdmi", LangOpts.CPlusPlus14) - .Case("cxx_binary_literals", LangOpts.CPlusPlus14) - .Case("cxx_contextual_conversions", LangOpts.CPlusPlus14) - .Case("cxx_decltype_auto", LangOpts.CPlusPlus14) - .Case("cxx_generic_lambdas", LangOpts.CPlusPlus14) - .Case("cxx_init_captures", LangOpts.CPlusPlus14) - .Case("cxx_relaxed_constexpr", LangOpts.CPlusPlus14) - .Case("cxx_return_type_deduction", LangOpts.CPlusPlus14) - .Case("cxx_variable_templates", LangOpts.CPlusPlus14) - // NOTE: For features covered by SD-6, it is preferable to provide *only* - // the SD-6 macro and not a __has_feature check. - - // C++ TSes - //.Case("cxx_runtime_arrays", LangOpts.CPlusPlusTSArrays) - //.Case("cxx_concepts", LangOpts.CPlusPlusTSConcepts) - // FIXME: Should this be __has_feature or __has_extension? - //.Case("raw_invocation_type", LangOpts.CPlusPlus) - // Type traits - // N.B. Additional type traits should not be added to the following list. - // Instead, they should be detected by has_extension. - .Case("has_nothrow_assign", LangOpts.CPlusPlus) - .Case("has_nothrow_copy", LangOpts.CPlusPlus) - .Case("has_nothrow_constructor", LangOpts.CPlusPlus) - .Case("has_trivial_assign", LangOpts.CPlusPlus) - .Case("has_trivial_copy", LangOpts.CPlusPlus) - .Case("has_trivial_constructor", LangOpts.CPlusPlus) - .Case("has_trivial_destructor", LangOpts.CPlusPlus) - .Case("has_virtual_destructor", LangOpts.CPlusPlus) - .Case("is_abstract", LangOpts.CPlusPlus) - .Case("is_base_of", LangOpts.CPlusPlus) - .Case("is_class", LangOpts.CPlusPlus) - .Case("is_constructible", LangOpts.CPlusPlus) - .Case("is_convertible_to", LangOpts.CPlusPlus) - .Case("is_empty", LangOpts.CPlusPlus) - .Case("is_enum", LangOpts.CPlusPlus) - .Case("is_final", LangOpts.CPlusPlus) - .Case("is_literal", LangOpts.CPlusPlus) - .Case("is_standard_layout", LangOpts.CPlusPlus) - .Case("is_pod", LangOpts.CPlusPlus) - .Case("is_polymorphic", LangOpts.CPlusPlus) - .Case("is_sealed", LangOpts.CPlusPlus && LangOpts.MicrosoftExt) - .Case("is_trivial", LangOpts.CPlusPlus) - .Case("is_trivially_assignable", LangOpts.CPlusPlus) - .Case("is_trivially_constructible", LangOpts.CPlusPlus) - .Case("is_trivially_copyable", LangOpts.CPlusPlus) - .Case("is_union", LangOpts.CPlusPlus) - .Case("modules", LangOpts.Modules) - .Case("safe_stack", LangOpts.Sanitize.has(SanitizerKind::SafeStack)) - .Case("shadow_call_stack", - LangOpts.Sanitize.has(SanitizerKind::ShadowCallStack)) - .Case("tls", PP.getTargetInfo().isTLSSupported()) - .Case("underlying_type", LangOpts.CPlusPlus) +#include "clang/Basic/Features.def" .Default(false); +#undef FEATURE } /// HasExtension - Return true if we recognize and implement the feature @@ -1302,35 +1126,13 @@ static bool HasExtension(const Preprocessor &PP, StringRef Extension) { Extension.size() >= 4) Extension = Extension.substr(2, Extension.size() - 4); - // Because we inherit the feature list from HasFeature, this string switch - // must be less restrictive than HasFeature's. + // Because we inherit the feature list from HasFeature, this string switch + // must be less restrictive than HasFeature's. +#define EXTENSION(Name, Predicate) .Case(#Name, Predicate) return llvm::StringSwitch<bool>(Extension) - // C11 features supported by other languages as extensions. - .Case("c_alignas", true) - .Case("c_alignof", true) - .Case("c_atomic", true) - .Case("c_generic_selections", true) - .Case("c_static_assert", true) - .Case("c_thread_local", PP.getTargetInfo().isTLSSupported()) - // C++11 features supported by other languages as extensions. - .Case("cxx_atomic", LangOpts.CPlusPlus) - .Case("cxx_deleted_functions", LangOpts.CPlusPlus) - .Case("cxx_explicit_conversions", LangOpts.CPlusPlus) - .Case("cxx_inline_namespaces", LangOpts.CPlusPlus) - .Case("cxx_local_type_template_args", LangOpts.CPlusPlus) - .Case("cxx_nonstatic_member_init", LangOpts.CPlusPlus) - .Case("cxx_override_control", LangOpts.CPlusPlus) - .Case("cxx_range_for", LangOpts.CPlusPlus) - .Case("cxx_reference_qualified_functions", LangOpts.CPlusPlus) - .Case("cxx_rvalue_references", LangOpts.CPlusPlus) - .Case("cxx_variadic_templates", LangOpts.CPlusPlus) - // C++14 features supported by other languages as extensions. - .Case("cxx_binary_literals", true) - .Case("cxx_init_captures", LangOpts.CPlusPlus11) - .Case("cxx_variable_templates", LangOpts.CPlusPlus) - // Miscellaneous language extensions - .Case("overloadable_unmarked", true) - .Default(false); +#include "clang/Basic/Features.def" + .Default(false); +#undef EXTENSION } /// EvaluateHasIncludeCommon - Process a '__has_include("path")' |