| //===--- CompilerInvocation.cpp -------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Frontend/CompilerInvocation.h" |
| #include "clang/Basic/Diagnostic.h" |
| #include "clang/Basic/FileManager.h" |
| #include "clang/Basic/Version.h" |
| #include "clang/Driver/Arg.h" |
| #include "clang/Driver/ArgList.h" |
| #include "clang/Driver/DriverDiagnostic.h" |
| #include "clang/Driver/OptTable.h" |
| #include "clang/Driver/Option.h" |
| #include "clang/Driver/Options.h" |
| #include "clang/Frontend/LangStandard.h" |
| #include "clang/Lex/HeaderSearchOptions.h" |
| #include "clang/Serialization/ASTReader.h" |
| #include "llvm/ADT/Hashing.h" |
| #include "llvm/ADT/OwningPtr.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/ADT/Triple.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/Host.h" |
| #include "llvm/Support/Path.h" |
| using namespace clang; |
| |
| //===----------------------------------------------------------------------===// |
| // Initialization. |
| //===----------------------------------------------------------------------===// |
| |
| CompilerInvocationBase::CompilerInvocationBase() |
| : LangOpts(new LangOptions()), TargetOpts(new TargetOptions()), |
| DiagnosticOpts(new DiagnosticOptions()), |
| HeaderSearchOpts(new HeaderSearchOptions()), |
| PreprocessorOpts(new PreprocessorOptions()) {} |
| |
| CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) |
| : RefCountedBase<CompilerInvocation>(), |
| LangOpts(new LangOptions(*X.getLangOpts())), |
| TargetOpts(new TargetOptions(X.getTargetOpts())), |
| DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())), |
| HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())), |
| PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())) {} |
| |
| //===----------------------------------------------------------------------===// |
| // Deserialization (from args) |
| //===----------------------------------------------------------------------===// |
| |
| using namespace clang::driver; |
| using namespace clang::driver::options; |
| |
| // |
| |
| static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, |
| DiagnosticsEngine &Diags) { |
| unsigned DefaultOpt = 0; |
| if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) |
| DefaultOpt = 2; |
| |
| if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { |
| if (A->getOption().matches(options::OPT_O0)) |
| return 0; |
| |
| assert (A->getOption().matches(options::OPT_O)); |
| |
| StringRef S(A->getValue()); |
| if (S == "s" || S == "z" || S.empty()) |
| return 2; |
| |
| return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); |
| } |
| |
| return DefaultOpt; |
| } |
| |
| static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, |
| DiagnosticsEngine &Diags) { |
| if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { |
| if (A->getOption().matches(options::OPT_O)) { |
| switch (A->getValue()[0]) { |
| default: |
| return 0; |
| case 's': |
| return 1; |
| case 'z': |
| return 2; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { |
| for (arg_iterator I = Args.filtered_begin(OPT_W_Group), |
| E = Args.filtered_end(); I != E; ++I) { |
| Arg *A = *I; |
| // If the argument is a pure flag, add its name (minus the "W" at the beginning) |
| // to the warning list. Else, add its value (for the OPT_W case). |
| if (A->getOption().getKind() == Option::FlagClass) { |
| Warnings.push_back(A->getOption().getName().substr(1)); |
| } else { |
| for (unsigned Idx = 0, End = A->getNumValues(); |
| Idx < End; ++Idx) { |
| StringRef V = A->getValue(Idx); |
| // "-Wl," and such are not warning options. |
| // FIXME: Should be handled by putting these in separate flags. |
| if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) |
| continue; |
| |
| Warnings.push_back(V); |
| } |
| } |
| } |
| } |
| |
| static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, |
| DiagnosticsEngine &Diags) { |
| using namespace options; |
| bool Success = true; |
| if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { |
| StringRef Name = A->getValue(); |
| AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) |
| #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ |
| .Case(CMDFLAG, NAME##Model) |
| #include "clang/StaticAnalyzer/Core/Analyses.def" |
| .Default(NumStores); |
| if (Value == NumStores) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.AnalysisStoreOpt = Value; |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { |
| StringRef Name = A->getValue(); |
| AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) |
| #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ |
| .Case(CMDFLAG, NAME##Model) |
| #include "clang/StaticAnalyzer/Core/Analyses.def" |
| .Default(NumConstraints); |
| if (Value == NumConstraints) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.AnalysisConstraintsOpt = Value; |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { |
| StringRef Name = A->getValue(); |
| AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) |
| #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ |
| .Case(CMDFLAG, PD_##NAME) |
| #include "clang/StaticAnalyzer/Core/Analyses.def" |
| .Default(NUM_ANALYSIS_DIAG_CLIENTS); |
| if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.AnalysisDiagOpt = Value; |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { |
| StringRef Name = A->getValue(); |
| AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) |
| #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ |
| .Case(CMDFLAG, NAME) |
| #include "clang/StaticAnalyzer/Core/Analyses.def" |
| .Default(NumPurgeModes); |
| if (Value == NumPurgeModes) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.AnalysisPurgeOpt = Value; |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { |
| StringRef Name = A->getValue(); |
| AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) |
| #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ |
| .Case(CMDFLAG, NAME) |
| #include "clang/StaticAnalyzer/Core/Analyses.def" |
| .Default(NumInliningModes); |
| if (Value == NumInliningModes) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.InliningMode = Value; |
| } |
| } |
| |
| Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); |
| Opts.visualizeExplodedGraphWithGraphViz = |
| Args.hasArg(OPT_analyzer_viz_egraph_graphviz); |
| Opts.visualizeExplodedGraphWithUbiGraph = |
| Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); |
| Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); |
| Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); |
| Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); |
| Opts.AnalyzeNestedBlocks = |
| Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); |
| Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume); |
| Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); |
| Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); |
| Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); |
| Opts.maxBlockVisitOnPath = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); |
| Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); |
| Opts.InlineMaxStackDepth = |
| Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, |
| Opts.InlineMaxStackDepth, Diags); |
| |
| Opts.CheckersControlList.clear(); |
| for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, |
| OPT_analyzer_disable_checker), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| A->claim(); |
| bool enable = (A->getOption().getID() == OPT_analyzer_checker); |
| // We can have a list of comma separated checker names, e.g: |
| // '-analyzer-checker=cocoa,unix' |
| StringRef checkerList = A->getValue(); |
| SmallVector<StringRef, 4> checkers; |
| checkerList.split(checkers, ","); |
| for (unsigned i = 0, e = checkers.size(); i != e; ++i) |
| Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); |
| } |
| |
| // Go through the analyzer configuration options. |
| for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| A->claim(); |
| // We can have a list of comma separated config names, e.g: |
| // '-analyzer-config key1=val1,key2=val2' |
| StringRef configList = A->getValue(); |
| SmallVector<StringRef, 4> configVals; |
| configList.split(configVals, ","); |
| for (unsigned i = 0, e = configVals.size(); i != e; ++i) { |
| StringRef key, val; |
| llvm::tie(key, val) = configVals[i].split("="); |
| if (val.empty()) { |
| Diags.Report(SourceLocation(), |
| diag::err_analyzer_config_no_value) << configVals[i]; |
| Success = false; |
| break; |
| } |
| if (val.find('=') != StringRef::npos) { |
| Diags.Report(SourceLocation(), |
| diag::err_analyzer_config_multiple_values) |
| << configVals[i]; |
| Success = false; |
| break; |
| } |
| Opts.Config[key] = val; |
| } |
| } |
| |
| return Success; |
| } |
| |
| static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { |
| Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); |
| Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); |
| return true; |
| } |
| |
| static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, |
| DiagnosticsEngine &Diags) { |
| using namespace options; |
| bool Success = true; |
| |
| unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); |
| if (OptLevel > 3) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; |
| OptLevel = 3; |
| Success = false; |
| } |
| Opts.OptimizationLevel = OptLevel; |
| |
| // We must always run at least the always inlining pass. |
| Opts.setInlining( |
| (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining |
| : CodeGenOptions::OnlyAlwaysInlining); |
| // -fno-inline-functions overrides OptimizationLevel > 1. |
| Opts.NoInline = Args.hasArg(OPT_fno_inline); |
| Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ? |
| CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining()); |
| |
| if (Args.hasArg(OPT_gline_tables_only)) { |
| Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly); |
| } else if (Args.hasArg(OPT_g_Flag)) { |
| if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) |
| Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo); |
| else |
| Opts.setDebugInfo(CodeGenOptions::FullDebugInfo); |
| } |
| Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info); |
| |
| Opts.ModulesAutolink = Args.hasArg(OPT_fmodules_autolink); |
| Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); |
| Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); |
| Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); |
| Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( |
| OPT_fuse_register_sized_bitfield_access); |
| Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); |
| Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); |
| Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); |
| Opts.NoCommon = Args.hasArg(OPT_fno_common); |
| Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); |
| Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); |
| Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || |
| Args.hasArg(OPT_ffreestanding)); |
| Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || |
| (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); |
| |
| Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); |
| Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); |
| Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); |
| Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); |
| Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); |
| Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); |
| Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); |
| Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); |
| Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); |
| Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); |
| Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); |
| Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); |
| Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); |
| Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || |
| Args.hasArg(OPT_cl_finite_math_only)|| |
| Args.hasArg(OPT_cl_fast_relaxed_math)); |
| Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || |
| Args.hasArg(OPT_cl_finite_math_only)|| |
| Args.hasArg(OPT_cl_fast_relaxed_math)); |
| Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); |
| Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); |
| Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); |
| Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); |
| Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); |
| Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); |
| Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); |
| Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); |
| Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); |
| Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); |
| Opts.SoftFloat = Args.hasArg(OPT_msoft_float); |
| Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); |
| Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || |
| Args.hasArg(OPT_cl_unsafe_math_optimizations) || |
| Args.hasArg(OPT_cl_fast_relaxed_math); |
| Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); |
| Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); |
| Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); |
| Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array); |
| |
| Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); |
| Opts.DataSections = Args.hasArg(OPT_fdata_sections); |
| |
| Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); |
| Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); |
| Opts.SanitizeRecover = !Args.hasArg(OPT_fno_sanitize_recover); |
| |
| Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); |
| Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); |
| Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); |
| Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); |
| Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info); |
| Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); |
| Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); |
| Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); |
| Opts.SanitizerBlacklistFile = Args.getLastArgValue(OPT_fsanitize_blacklist); |
| Opts.SanitizeMemoryTrackOrigins = |
| Args.hasArg(OPT_fsanitize_memory_track_origins); |
| Opts.SanitizeAddressZeroBaseShadow = |
| Args.hasArg(OPT_fsanitize_address_zero_base_shadow); |
| Opts.SanitizeUndefinedTrapOnError = |
| Args.hasArg(OPT_fsanitize_undefined_trap_on_error); |
| Opts.SSPBufferSize = |
| Args.getLastArgIntValue(OPT_stack_protector_buffer_size, 8, Diags); |
| Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); |
| if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { |
| StringRef Val = A->getValue(); |
| unsigned StackAlignment = Opts.StackAlignment; |
| Val.getAsInteger(10, StackAlignment); |
| Opts.StackAlignment = StackAlignment; |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { |
| StringRef Name = A->getValue(); |
| unsigned Method = llvm::StringSwitch<unsigned>(Name) |
| .Case("legacy", CodeGenOptions::Legacy) |
| .Case("non-legacy", CodeGenOptions::NonLegacy) |
| .Case("mixed", CodeGenOptions::Mixed) |
| .Default(~0U); |
| if (Method == ~0U) { |
| Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.setObjCDispatchMethod( |
| static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method)); |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) { |
| StringRef Name = A->getValue(); |
| unsigned Model = llvm::StringSwitch<unsigned>(Name) |
| .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel) |
| .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel) |
| .Case("initial-exec", CodeGenOptions::InitialExecTLSModel) |
| .Case("local-exec", CodeGenOptions::LocalExecTLSModel) |
| .Default(~0U); |
| if (Model == ~0U) { |
| Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; |
| Success = false; |
| } else { |
| Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model)); |
| } |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_ffp_contract)) { |
| StringRef Val = A->getValue(); |
| if (Val == "fast") |
| Opts.setFPContractMode(CodeGenOptions::FPC_Fast); |
| else if (Val == "on") |
| Opts.setFPContractMode(CodeGenOptions::FPC_On); |
| else if (Val == "off") |
| Opts.setFPContractMode(CodeGenOptions::FPC_Off); |
| else |
| Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val; |
| } |
| |
| return Success; |
| } |
| |
| static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, |
| ArgList &Args) { |
| using namespace options; |
| Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); |
| Opts.Targets = Args.getAllArgValues(OPT_MT); |
| Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); |
| Opts.UsePhonyTargets = Args.hasArg(OPT_MP); |
| Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); |
| Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); |
| Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); |
| Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); |
| } |
| |
| bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, |
| DiagnosticsEngine *Diags) { |
| using namespace options; |
| bool Success = true; |
| |
| Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); |
| Opts.DiagnosticSerializationFile = |
| Args.getLastArgValue(OPT_diagnostic_serialized_file); |
| Opts.IgnoreWarnings = Args.hasArg(OPT_w); |
| Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); |
| Opts.Pedantic = Args.hasArg(OPT_pedantic); |
| Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); |
| Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); |
| Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); |
| Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, |
| OPT_fno_show_column, |
| /*Default=*/true); |
| Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); |
| Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); |
| Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); |
| |
| // Default behavior is to not to show note include stacks. |
| Opts.ShowNoteIncludeStack = false; |
| if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, |
| OPT_fno_diagnostics_show_note_include_stack)) |
| if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) |
| Opts.ShowNoteIncludeStack = true; |
| |
| StringRef ShowOverloads = |
| Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); |
| if (ShowOverloads == "best") |
| Opts.setShowOverloads(Ovl_Best); |
| else if (ShowOverloads == "all") |
| Opts.setShowOverloads(Ovl_All); |
| else { |
| Success = false; |
| if (Diags) |
| Diags->Report(diag::err_drv_invalid_value) |
| << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) |
| << ShowOverloads; |
| } |
| |
| StringRef ShowCategory = |
| Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); |
| if (ShowCategory == "none") |
| Opts.ShowCategories = 0; |
| else if (ShowCategory == "id") |
| Opts.ShowCategories = 1; |
| else if (ShowCategory == "name") |
| Opts.ShowCategories = 2; |
| else { |
| Success = false; |
| if (Diags) |
| Diags->Report(diag::err_drv_invalid_value) |
| << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) |
| << ShowCategory; |
| } |
| |
| StringRef Format = |
| Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); |
| if (Format == "clang") |
| Opts.setFormat(DiagnosticOptions::Clang); |
| else if (Format == "msvc") |
| Opts.setFormat(DiagnosticOptions::Msvc); |
| else if (Format == "vi") |
| Opts.setFormat(DiagnosticOptions::Vi); |
| else { |
| Success = false; |
| if (Diags) |
| Diags->Report(diag::err_drv_invalid_value) |
| << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) |
| << Format; |
| } |
| |
| Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); |
| Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); |
| Opts.ShowPresumedLoc = !Args.hasArg(OPT_fno_diagnostics_use_presumed_location); |
| Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); |
| Opts.ElideType = !Args.hasArg(OPT_fno_elide_type); |
| Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree); |
| Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); |
| Opts.MacroBacktraceLimit |
| = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, |
| DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); |
| Opts.TemplateBacktraceLimit |
| = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, |
| DiagnosticOptions::DefaultTemplateBacktraceLimit, |
| Diags); |
| Opts.ConstexprBacktraceLimit |
| = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, |
| DiagnosticOptions::DefaultConstexprBacktraceLimit, |
| Diags); |
| Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, |
| DiagnosticOptions::DefaultTabStop, Diags); |
| if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { |
| Opts.TabStop = DiagnosticOptions::DefaultTabStop; |
| if (Diags) |
| Diags->Report(diag::warn_ignoring_ftabstop_value) |
| << Opts.TabStop << DiagnosticOptions::DefaultTabStop; |
| } |
| Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); |
| addWarningArgs(Args, Opts.Warnings); |
| |
| return Success; |
| } |
| |
| static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { |
| Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); |
| } |
| |
| static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, |
| DiagnosticsEngine &Diags) { |
| using namespace options; |
| Opts.ProgramAction = frontend::ParseSyntaxOnly; |
| if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { |
| switch (A->getOption().getID()) { |
| default: |
| llvm_unreachable("Invalid option in group!"); |
| case OPT_ast_list: |
| Opts.ProgramAction = frontend::ASTDeclList; break; |
| case OPT_ast_dump: |
| Opts.ProgramAction = frontend::ASTDump; break; |
| case OPT_ast_dump_xml: |
| Opts.ProgramAction = frontend::ASTDumpXML; break; |
| case OPT_ast_print: |
| Opts.ProgramAction = frontend::ASTPrint; break; |
| case OPT_ast_view: |
| Opts.ProgramAction = frontend::ASTView; break; |
| case OPT_dump_raw_tokens: |
| Opts.ProgramAction = frontend::DumpRawTokens; break; |
| case OPT_dump_tokens: |
| Opts.ProgramAction = frontend::DumpTokens; break; |
| case OPT_S: |
| Opts.ProgramAction = frontend::EmitAssembly; break; |
| case OPT_emit_llvm_bc: |
| Opts.ProgramAction = frontend::EmitBC; break; |
| case OPT_emit_html: |
| Opts.ProgramAction = frontend::EmitHTML; break; |
| case OPT_emit_llvm: |
| Opts.ProgramAction = frontend::EmitLLVM; break; |
| case OPT_emit_llvm_only: |
| Opts.ProgramAction = frontend::EmitLLVMOnly; break; |
| case OPT_emit_codegen_only: |
| Opts.ProgramAction = frontend::EmitCodeGenOnly; break; |
| case OPT_emit_obj: |
| Opts.ProgramAction = frontend::EmitObj; break; |
| case OPT_fixit_EQ: |
| Opts.FixItSuffix = A->getValue(); |
| // fall-through! |
| case OPT_fixit: |
| Opts.ProgramAction = frontend::FixIt; break; |
| case OPT_emit_module: |
| Opts.ProgramAction = frontend::GenerateModule; break; |
| case OPT_emit_pch: |
| Opts.ProgramAction = frontend::GeneratePCH; break; |
| case OPT_emit_pth: |
| Opts.ProgramAction = frontend::GeneratePTH; break; |
| case OPT_init_only: |
| Opts.ProgramAction = frontend::InitOnly; break; |
| case OPT_fsyntax_only: |
| Opts.ProgramAction = frontend::ParseSyntaxOnly; break; |
| case OPT_print_decl_contexts: |
| Opts.ProgramAction = frontend::PrintDeclContext; break; |
| case OPT_print_preamble: |
| Opts.ProgramAction = frontend::PrintPreamble; break; |
| case OPT_E: |
| Opts.ProgramAction = frontend::PrintPreprocessedInput; break; |
| case OPT_rewrite_macros: |
| Opts.ProgramAction = frontend::RewriteMacros; break; |
| case OPT_rewrite_objc: |
| Opts.ProgramAction = frontend::RewriteObjC; break; |
| case OPT_rewrite_test: |
| Opts.ProgramAction = frontend::RewriteTest; break; |
| case OPT_analyze: |
| Opts.ProgramAction = frontend::RunAnalysis; break; |
| case OPT_migrate: |
| Opts.ProgramAction = frontend::MigrateSource; break; |
| case OPT_Eonly: |
| Opts.ProgramAction = frontend::RunPreprocessorOnly; break; |
| } |
| } |
| |
| if (const Arg* A = Args.getLastArg(OPT_plugin)) { |
| Opts.Plugins.push_back(A->getValue(0)); |
| Opts.ProgramAction = frontend::PluginAction; |
| Opts.ActionName = A->getValue(); |
| |
| for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), |
| end = Args.filtered_end(); it != end; ++it) { |
| if ((*it)->getValue(0) == Opts.ActionName) |
| Opts.PluginArgs.push_back((*it)->getValue(1)); |
| } |
| } |
| |
| Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); |
| Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); |
| for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { |
| for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), |
| end = Args.filtered_end(); it != end; ++it) { |
| if ((*it)->getValue(0) == Opts.AddPluginActions[i]) |
| Opts.AddPluginArgs[i].push_back((*it)->getValue(1)); |
| } |
| } |
| |
| if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { |
| Opts.CodeCompletionAt = |
| ParsedSourceLocation::FromString(A->getValue()); |
| if (Opts.CodeCompletionAt.FileName.empty()) |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << A->getValue(); |
| } |
| Opts.DisableFree = Args.hasArg(OPT_disable_free); |
| |
| Opts.OutputFile = Args.getLastArgValue(OPT_o); |
| Opts.Plugins = Args.getAllArgValues(OPT_load); |
| Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); |
| Opts.ShowHelp = Args.hasArg(OPT_help); |
| Opts.ShowStats = Args.hasArg(OPT_print_stats); |
| Opts.ShowTimers = Args.hasArg(OPT_ftime_report); |
| Opts.ShowVersion = Args.hasArg(OPT_version); |
| Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); |
| Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); |
| Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); |
| Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); |
| Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); |
| Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); |
| Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter); |
| Opts.UseGlobalModuleIndex = !Args.hasArg(OPT_fno_modules_global_index); |
| Opts.GenerateGlobalModuleIndex = Opts.UseGlobalModuleIndex; |
| |
| Opts.CodeCompleteOpts.IncludeMacros |
| = Args.hasArg(OPT_code_completion_macros); |
| Opts.CodeCompleteOpts.IncludeCodePatterns |
| = Args.hasArg(OPT_code_completion_patterns); |
| Opts.CodeCompleteOpts.IncludeGlobals |
| = !Args.hasArg(OPT_no_code_completion_globals); |
| Opts.CodeCompleteOpts.IncludeBriefComments |
| = Args.hasArg(OPT_code_completion_brief_comments); |
| |
| Opts.OverrideRecordLayoutsFile |
| = Args.getLastArgValue(OPT_foverride_record_layout_EQ); |
| if (const Arg *A = Args.getLastArg(OPT_arcmt_check, |
| OPT_arcmt_modify, |
| OPT_arcmt_migrate)) { |
| switch (A->getOption().getID()) { |
| default: |
| llvm_unreachable("missed a case"); |
| case OPT_arcmt_check: |
| Opts.ARCMTAction = FrontendOptions::ARCMT_Check; |
| break; |
| case OPT_arcmt_modify: |
| Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; |
| break; |
| case OPT_arcmt_migrate: |
| Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; |
| break; |
| } |
| } |
| Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); |
| Opts.ARCMTMigrateReportOut |
| = Args.getLastArgValue(OPT_arcmt_migrate_report_output); |
| Opts.ARCMTMigrateEmitARCErrors |
| = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); |
| |
| if (Args.hasArg(OPT_objcmt_migrate_literals)) |
| Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; |
| if (Args.hasArg(OPT_objcmt_migrate_subscripting)) |
| Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; |
| |
| if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && |
| Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { |
| Diags.Report(diag::err_drv_argument_not_allowed_with) |
| << "ARC migration" << "ObjC migration"; |
| } |
| |
| InputKind DashX = IK_None; |
| if (const Arg *A = Args.getLastArg(OPT_x)) { |
| DashX = llvm::StringSwitch<InputKind>(A->getValue()) |
| .Case("c", IK_C) |
| .Case("cl", IK_OpenCL) |
| .Case("cuda", IK_CUDA) |
| .Case("c++", IK_CXX) |
| .Case("objective-c", IK_ObjC) |
| .Case("objective-c++", IK_ObjCXX) |
| .Case("cpp-output", IK_PreprocessedC) |
| .Case("assembler-with-cpp", IK_Asm) |
| .Case("c++-cpp-output", IK_PreprocessedCXX) |
| .Case("objective-c-cpp-output", IK_PreprocessedObjC) |
| .Case("objc-cpp-output", IK_PreprocessedObjC) |
| .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) |
| .Case("objc++-cpp-output", IK_PreprocessedObjCXX) |
| .Case("c-header", IK_C) |
| .Case("cl-header", IK_OpenCL) |
| .Case("objective-c-header", IK_ObjC) |
| .Case("c++-header", IK_CXX) |
| .Case("objective-c++-header", IK_ObjCXX) |
| .Case("ast", IK_AST) |
| .Case("ir", IK_LLVM_IR) |
| .Default(IK_None); |
| if (DashX == IK_None) |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << A->getValue(); |
| } |
| |
| // '-' is the default input if none is given. |
| std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); |
| Opts.Inputs.clear(); |
| if (Inputs.empty()) |
| Inputs.push_back("-"); |
| for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { |
| InputKind IK = DashX; |
| if (IK == IK_None) { |
| IK = FrontendOptions::getInputKindForExtension( |
| StringRef(Inputs[i]).rsplit('.').second); |
| // FIXME: Remove this hack. |
| if (i == 0) |
| DashX = IK; |
| } |
| Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); |
| } |
| |
| return DashX; |
| } |
| |
| std::string CompilerInvocation::GetResourcesPath(const char *Argv0, |
| void *MainAddr) { |
| llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); |
| |
| if (!P.isEmpty()) { |
| P.eraseComponent(); // Remove /clang from foo/bin/clang |
| P.eraseComponent(); // Remove /bin from foo/bin |
| |
| // Get foo/lib/clang/<version>/include |
| P.appendComponent("lib"); |
| P.appendComponent("clang"); |
| P.appendComponent(CLANG_VERSION_STRING); |
| } |
| |
| return P.str(); |
| } |
| |
| static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { |
| using namespace options; |
| Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); |
| Opts.Verbose = Args.hasArg(OPT_v); |
| Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); |
| Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); |
| Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); |
| if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) |
| Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0); |
| Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); |
| Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodules_cache_path); |
| Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); |
| |
| for (arg_iterator it = Args.filtered_begin(OPT_fmodules_ignore_macro), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| StringRef MacroDef = (*it)->getValue(); |
| Opts.ModulesIgnoreMacros.insert(MacroDef.split('=').first); |
| } |
| |
| // Add -I..., -F..., and -index-header-map options in order. |
| bool IsIndexHeaderMap = false; |
| for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, |
| OPT_index_header_map), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| if ((*it)->getOption().matches(OPT_index_header_map)) { |
| // -index-header-map applies to the next -I or -F. |
| IsIndexHeaderMap = true; |
| continue; |
| } |
| |
| frontend::IncludeDirGroup Group |
| = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; |
| |
| Opts.AddPath((*it)->getValue(), Group, |
| /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); |
| IsIndexHeaderMap = false; |
| } |
| |
| // Add -iprefix/-iwithprefix/-iwithprefixbefore options. |
| StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. |
| for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, |
| OPT_iwithprefixbefore), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| if (A->getOption().matches(OPT_iprefix)) |
| Prefix = A->getValue(); |
| else if (A->getOption().matches(OPT_iwithprefix)) |
| Opts.AddPath(Prefix.str() + A->getValue(), |
| frontend::After, false, true); |
| else |
| Opts.AddPath(Prefix.str() + A->getValue(), |
| frontend::Angled, false, true); |
| } |
| |
| for (arg_iterator it = Args.filtered_begin(OPT_idirafter), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::After, false, true); |
| for (arg_iterator it = Args.filtered_begin(OPT_iquote), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::Quoted, false, true); |
| for (arg_iterator it = Args.filtered_begin(OPT_isystem, |
| OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::System, false, |
| !(*it)->getOption().matches(OPT_iwithsysroot)); |
| for (arg_iterator it = Args.filtered_begin(OPT_iframework), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::System, true, true); |
| |
| // Add the paths for the various language specific isystem flags. |
| for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::CSystem, false, true); |
| for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::CXXSystem, false, true); |
| for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::ObjCSystem, false,true); |
| for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), |
| ie = Args.filtered_end(); it != ie; ++it) |
| Opts.AddPath((*it)->getValue(), frontend::ObjCXXSystem, false, true); |
| |
| // Add the internal paths from a driver that detects standard include paths. |
| for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, |
| OPT_internal_externc_isystem), |
| E = Args.filtered_end(); |
| I != E; ++I) { |
| frontend::IncludeDirGroup Group = frontend::System; |
| if ((*I)->getOption().matches(OPT_internal_externc_isystem)) |
| Group = frontend::ExternCSystem; |
| Opts.AddPath((*I)->getValue(), Group, false, true); |
| } |
| |
| // Add the path prefixes which are implicitly treated as being system headers. |
| for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix, |
| OPT_ino_system_prefix), |
| E = Args.filtered_end(); |
| I != E; ++I) |
| Opts.AddSystemHeaderPrefix((*I)->getValue(), |
| (*I)->getOption().matches(OPT_isystem_prefix)); |
| } |
| |
| void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, |
| LangStandard::Kind LangStd) { |
| // Set some properties which depend solely on the input kind; it would be nice |
| // to move these to the language standard, and have the driver resolve the |
| // input kind + language standard. |
| if (IK == IK_Asm) { |
| Opts.AsmPreprocessor = 1; |
| } else if (IK == IK_ObjC || |
| IK == IK_ObjCXX || |
| IK == IK_PreprocessedObjC || |
| IK == IK_PreprocessedObjCXX) { |
| Opts.ObjC1 = Opts.ObjC2 = 1; |
| } |
| |
| if (LangStd == LangStandard::lang_unspecified) { |
| // Based on the base language, pick one. |
| switch (IK) { |
| case IK_None: |
| case IK_AST: |
| case IK_LLVM_IR: |
| llvm_unreachable("Invalid input kind!"); |
| case IK_OpenCL: |
| LangStd = LangStandard::lang_opencl; |
| break; |
| case IK_CUDA: |
| LangStd = LangStandard::lang_cuda; |
| break; |
| case IK_Asm: |
| case IK_C: |
| case IK_PreprocessedC: |
| case IK_ObjC: |
| case IK_PreprocessedObjC: |
| LangStd = LangStandard::lang_gnu99; |
| break; |
| case IK_CXX: |
| case IK_PreprocessedCXX: |
| case IK_ObjCXX: |
| case IK_PreprocessedObjCXX: |
| LangStd = LangStandard::lang_gnucxx98; |
| break; |
| } |
| } |
| |
| const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); |
| Opts.LineComment = Std.hasLineComments(); |
| Opts.C99 = Std.isC99(); |
| Opts.C11 = Std.isC11(); |
| Opts.CPlusPlus = Std.isCPlusPlus(); |
| Opts.CPlusPlus11 = Std.isCPlusPlus11(); |
| Opts.CPlusPlus1y = Std.isCPlusPlus1y(); |
| Opts.Digraphs = Std.hasDigraphs(); |
| Opts.GNUMode = Std.isGNUMode(); |
| Opts.GNUInline = !Std.isC99(); |
| Opts.HexFloats = Std.hasHexFloats(); |
| Opts.ImplicitInt = Std.hasImplicitInt(); |
| |
| // Set OpenCL Version. |
| if (LangStd == LangStandard::lang_opencl) { |
| Opts.OpenCL = 1; |
| Opts.OpenCLVersion = 100; |
| } |
| else if (LangStd == LangStandard::lang_opencl11) { |
| Opts.OpenCL = 1; |
| Opts.OpenCLVersion = 110; |
| } |
| else if (LangStd == LangStandard::lang_opencl12) { |
| Opts.OpenCL = 1; |
| Opts.OpenCLVersion = 120; |
| } |
| |
| // OpenCL has some additional defaults. |
| if (Opts.OpenCL) { |
| Opts.AltiVec = 0; |
| Opts.CXXOperatorNames = 1; |
| Opts.LaxVectorConversions = 0; |
| Opts.DefaultFPContract = 1; |
| Opts.NativeHalfType = 1; |
| } |
| |
| if (LangStd == LangStandard::lang_cuda) |
| Opts.CUDA = 1; |
| |
| // OpenCL and C++ both have bool, true, false keywords. |
| Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; |
| |
| // C++ has wchar_t keyword. |
| Opts.WChar = Opts.CPlusPlus; |
| |
| Opts.GNUKeywords = Opts.GNUMode; |
| Opts.CXXOperatorNames = Opts.CPlusPlus; |
| |
| // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs |
| // is specified, or -std is set to a conforming mode. |
| Opts.Trigraphs = !Opts.GNUMode; |
| |
| Opts.DollarIdents = !Opts.AsmPreprocessor; |
| } |
| |
| /// Attempt to parse a visibility value out of the given argument. |
| static Visibility parseVisibility(Arg *arg, ArgList &args, |
| DiagnosticsEngine &diags) { |
| StringRef value = arg->getValue(); |
| if (value == "default") { |
| return DefaultVisibility; |
| } else if (value == "hidden") { |
| return HiddenVisibility; |
| } else if (value == "protected") { |
| // FIXME: diagnose if target does not support protected visibility |
| return ProtectedVisibility; |
| } |
| |
| diags.Report(diag::err_drv_invalid_value) |
| << arg->getAsString(args) << value; |
| return DefaultVisibility; |
| } |
| |
| static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, |
| DiagnosticsEngine &Diags) { |
| // FIXME: Cleanup per-file based stuff. |
| LangStandard::Kind LangStd = LangStandard::lang_unspecified; |
| if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { |
| LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue()) |
| #define LANGSTANDARD(id, name, desc, features) \ |
| .Case(name, LangStandard::lang_##id) |
| #include "clang/Frontend/LangStandards.def" |
| .Default(LangStandard::lang_unspecified); |
| if (LangStd == LangStandard::lang_unspecified) |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << A->getValue(); |
| else { |
| // Valid standard, check to make sure language and standard are compatable. |
| const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); |
| switch (IK) { |
| case IK_C: |
| case IK_ObjC: |
| case IK_PreprocessedC: |
| case IK_PreprocessedObjC: |
| if (!(Std.isC89() || Std.isC99())) |
| Diags.Report(diag::err_drv_argument_not_allowed_with) |
| << A->getAsString(Args) << "C/ObjC"; |
| break; |
| case IK_CXX: |
| case IK_ObjCXX: |
| case IK_PreprocessedCXX: |
| case IK_PreprocessedObjCXX: |
| if (!Std.isCPlusPlus()) |
| Diags.Report(diag::err_drv_argument_not_allowed_with) |
| << A->getAsString(Args) << "C++/ObjC++"; |
| break; |
| case IK_OpenCL: |
| if (!Std.isC99()) |
| Diags.Report(diag::err_drv_argument_not_allowed_with) |
| << A->getAsString(Args) << "OpenCL"; |
| break; |
| case IK_CUDA: |
| if (!Std.isCPlusPlus()) |
| Diags.Report(diag::err_drv_argument_not_allowed_with) |
| << A->getAsString(Args) << "CUDA"; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| // -cl-std only applies for OpenCL language standards. |
| // Override the -std option in this case. |
| if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { |
| LangStandard::Kind OpenCLLangStd |
| = llvm::StringSwitch<LangStandard::Kind>(A->getValue()) |
| .Case("CL", LangStandard::lang_opencl) |
| .Case("CL1.1", LangStandard::lang_opencl11) |
| .Case("CL1.2", LangStandard::lang_opencl12) |
| .Default(LangStandard::lang_unspecified); |
| |
| if (OpenCLLangStd == LangStandard::lang_unspecified) { |
| Diags.Report(diag::err_drv_invalid_value) |
| << A->getAsString(Args) << A->getValue(); |
| } |
| else |
| LangStd = OpenCLLangStd; |
| } |
| |
| CompilerInvocation::setLangDefaults(Opts, IK, LangStd); |
| |
| // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension |
| // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, |
| // while a subset (the non-C++ GNU keywords) is provided by GCC's |
| // '-fgnu-keywords'. Clang conflates the two for simplicity under the single |
| // name, as it doesn't seem a useful distinction. |
| Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, |
| Opts.GNUKeywords); |
| |
| if (Args.hasArg(OPT_fno_operator_names)) |
| Opts.CXXOperatorNames = 0; |
| |
| if (Opts.ObjC1) { |
| if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) { |
| StringRef value = arg->getValue(); |
| if (Opts.ObjCRuntime.tryParse(value)) |
| Diags.Report(diag::err_drv_unknown_objc_runtime) << value; |
| } |
| |
| if (Args.hasArg(OPT_fobjc_gc_only)) |
| Opts.setGC(LangOptions::GCOnly); |
| else if (Args.hasArg(OPT_fobjc_gc)) |
| Opts.setGC(LangOptions::HybridGC); |
| else if (Args.hasArg(OPT_fobjc_arc)) { |
| Opts.ObjCAutoRefCount = 1; |
| if (!Opts.ObjCRuntime.allowsARC()) |
| Diags.Report(diag::err_arc_unsupported_on_runtime); |
| |
| // Only set ObjCARCWeak if ARC is enabled. |
| if (Args.hasArg(OPT_fobjc_runtime_has_weak)) |
| Opts.ObjCARCWeak = 1; |
| else |
| Opts.ObjCARCWeak = Opts.ObjCRuntime.allowsWeak(); |
| } |
| |
| if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) |
| Opts.ObjCInferRelatedResultType = 0; |
| } |
| |
| if (Args.hasArg(OPT_fgnu89_inline)) |
| Opts.GNUInline = 1; |
| |
| if (Args.hasArg(OPT_fapple_kext)) { |
| if (!Opts.CPlusPlus) |
| Diags.Report(diag::warn_c_kext); |
| else |
| Opts.AppleKext = 1; |
| } |
| |
| if (Args.hasArg(OPT_print_ivar_layout)) |
| Opts.ObjCGCBitmapPrint = 1; |
| if (Args.hasArg(OPT_fno_constant_cfstrings)) |
| Opts.NoConstantCFStrings = 1; |
| |
| if (Args.hasArg(OPT_faltivec)) |
| Opts.AltiVec = 1; |
| |
| if (Args.hasArg(OPT_pthread)) |
| Opts.POSIXThreads = 1; |
| |
| if (Args.hasArg(OPT_fdelayed_template_parsing)) |
| Opts.DelayedTemplateParsing = 1; |
| |
| // The value-visibility mode defaults to "default". |
| if (Arg *visOpt = Args.getLastArg(OPT_fvisibility)) { |
| Opts.setValueVisibilityMode(parseVisibility(visOpt, Args, Diags)); |
| } else { |
| Opts.setValueVisibilityMode(DefaultVisibility); |
| } |
| |
| // The type-visibility mode defaults to the value-visibility mode. |
| if (Arg *typeVisOpt = Args.getLastArg(OPT_ftype_visibility)) { |
| Opts.setTypeVisibilityMode(parseVisibility(typeVisOpt, Args, Diags)); |
| } else { |
| Opts.setTypeVisibilityMode(Opts.getValueVisibilityMode()); |
| } |
| |
| if (Args.hasArg(OPT_fvisibility_inlines_hidden)) |
| Opts.InlineVisibilityHidden = 1; |
| |
| if (Args.hasArg(OPT_ftrapv)) { |
| Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); |
| // Set the handler, if one is specified. |
| Opts.OverflowHandler = |
| Args.getLastArgValue(OPT_ftrapv_handler); |
| } |
| else if (Args.hasArg(OPT_fwrapv)) |
| Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); |
| |
| if (Args.hasArg(OPT_trigraphs)) |
| Opts.Trigraphs = 1; |
| |
| Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, |
| OPT_fno_dollars_in_identifiers, |
| Opts.DollarIdents); |
| Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); |
| Opts.MicrosoftExt |
| = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); |
| Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); |
| Opts.AsmBlocks = Args.hasArg(OPT_fasm_blocks) || Opts.MicrosoftExt; |
| Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); |
| Opts.Borland = Args.hasArg(OPT_fborland_extensions); |
| Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); |
| Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, |
| Opts.ConstStrings); |
| if (Args.hasArg(OPT_fno_lax_vector_conversions)) |
| Opts.LaxVectorConversions = 0; |
| if (Args.hasArg(OPT_fno_threadsafe_statics)) |
| Opts.ThreadsafeStatics = 0; |
| Opts.Exceptions = Args.hasArg(OPT_fexceptions); |
| Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); |
| Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); |
| Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); |
| Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); |
| |
| Opts.RTTI = !Args.hasArg(OPT_fno_rtti); |
| Opts.Blocks = Args.hasArg(OPT_fblocks); |
| Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); |
| Opts.Modules = Args.hasArg(OPT_fmodules); |
| Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); |
| Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar); |
| Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); |
| Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); |
| Opts.Freestanding = Args.hasArg(OPT_ffreestanding); |
| Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; |
| Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); |
| Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); |
| Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); |
| Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); |
| Opts.MathErrno = Args.hasArg(OPT_fmath_errno); |
| Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 512, |
| Diags); |
| Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, |
| Diags); |
| Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); |
| Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, |
| 0, Diags); |
| Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); |
| Opts.ObjCConstantStringClass = |
| Args.getLastArgValue(OPT_fconstant_string_class); |
| Opts.ObjCDefaultSynthProperties = |
| Args.hasArg(OPT_fobjc_default_synthesize_properties); |
| Opts.EncodeExtendedBlockSig = |
| Args.hasArg(OPT_fencode_extended_block_signature); |
| Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); |
| Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); |
| Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); |
| Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); |
| Opts.Static = Args.hasArg(OPT_static_define); |
| Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); |
| Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple |
| || Args.hasArg(OPT_fdump_record_layouts); |
| Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); |
| Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); |
| Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); |
| Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); |
| Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); |
| Opts.MRTD = Args.hasArg(OPT_mrtd); |
| Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); |
| Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); |
| Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); |
| Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); |
| Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); |
| Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); |
| Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); |
| Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); |
| |
| // Check if -fopenmp is specified. |
| Opts.OpenMP = Args.hasArg(OPT_fopenmp); |
| |
| // Record whether the __DEPRECATED define was requested. |
| Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, |
| OPT_fno_deprecated_macro, |
| Opts.Deprecated); |
| |
| // FIXME: Eliminate this dependency. |
| unsigned Opt = getOptimizationLevel(Args, IK, Diags), |
| OptSize = getOptimizationLevelSize(Args, IK, Diags); |
| Opts.Optimize = Opt != 0; |
| Opts.OptimizeSize = OptSize != 0; |
| |
| // This is the __NO_INLINE__ define, which just depends on things like the |
| // optimization level and -fno-inline, not actually whether the backend has |
| // inlining enabled. |
| Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); |
| |
| Opts.FastMath = Args.hasArg(OPT_ffast_math); |
| Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only); |
| |
| Opts.RetainCommentsFromSystemHeaders = |
| Args.hasArg(OPT_fretain_comments_from_system_headers); |
| |
| unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); |
| switch (SSP) { |
| default: |
| Diags.Report(diag::err_drv_invalid_value) |
| << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; |
| break; |
| case 0: Opts.setStackProtector(LangOptions::SSPOff); break; |
| case 1: Opts.setStackProtector(LangOptions::SSPOn); break; |
| case 2: Opts.setStackProtector(LangOptions::SSPReq); break; |
| } |
| |
| // Parse -fsanitize= arguments. |
| std::vector<std::string> Sanitizers = Args.getAllArgValues(OPT_fsanitize_EQ); |
| for (unsigned I = 0, N = Sanitizers.size(); I != N; ++I) { |
| // Since the Opts.Sanitize* values are bitfields, it's a little tricky to |
| // efficiently map string values to them. Perform the mapping indirectly: |
| // convert strings to enumerated values, then switch over the enum to set |
| // the right bitfield value. |
| enum Sanitizer { |
| #define SANITIZER(NAME, ID) \ |
| ID, |
| #include "clang/Basic/Sanitizers.def" |
| Unknown |
| }; |
| switch (llvm::StringSwitch<unsigned>(Sanitizers[I]) |
| #define SANITIZER(NAME, ID) \ |
| .Case(NAME, ID) |
| #include "clang/Basic/Sanitizers.def" |
| .Default(Unknown)) { |
| #define SANITIZER(NAME, ID) \ |
| case ID: \ |
| Opts.Sanitize.ID = true; \ |
| break; |
| #include "clang/Basic/Sanitizers.def" |
| |
| case Unknown: |
| Diags.Report(diag::err_drv_invalid_value) |
| << "-fsanitize=" << Sanitizers[I]; |
| break; |
| } |
| } |
| } |
| |
| static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, |
| FileManager &FileMgr, |
| DiagnosticsEngine &Diags) { |
| using namespace options; |
| Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); |
| Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); |
| if (const Arg *A = Args.getLastArg(OPT_token_cache)) |
| Opts.TokenCache = A->getValue(); |
| else |
| Opts.TokenCache = Opts.ImplicitPTHInclude; |
| Opts.UsePredefines = !Args.hasArg(OPT_undef); |
| Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); |
| Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); |
| |
| Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); |
| for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue()); |
| } |
| |
| if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { |
| StringRef Value(A->getValue()); |
| size_t Comma = Value.find(','); |
| unsigned Bytes = 0; |
| unsigned EndOfLine = 0; |
| |
| if (Comma == StringRef::npos || |
| Value.substr(0, Comma).getAsInteger(10, Bytes) || |
| Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) |
| Diags.Report(diag::err_drv_preamble_format); |
| else { |
| Opts.PrecompiledPreambleBytes.first = Bytes; |
| Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); |
| } |
| } |
| |
| // Add macros from the command line. |
| for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| if ((*it)->getOption().matches(OPT_D)) |
| Opts.addMacroDef((*it)->getValue()); |
| else |
| Opts.addMacroUndef((*it)->getValue()); |
| } |
| |
| Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); |
| |
| // Add the ordered list of -includes. |
| for (arg_iterator it = Args.filtered_begin(OPT_include), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| Opts.Includes.push_back(A->getValue()); |
| } |
| |
| for (arg_iterator it = Args.filtered_begin(OPT_chain_include), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| Opts.ChainedIncludes.push_back(A->getValue()); |
| } |
| |
| // Include 'altivec.h' if -faltivec option present |
| if (Args.hasArg(OPT_faltivec)) |
| Opts.Includes.push_back("altivec.h"); |
| |
| for (arg_iterator it = Args.filtered_begin(OPT_remap_file), |
| ie = Args.filtered_end(); it != ie; ++it) { |
| const Arg *A = *it; |
| std::pair<StringRef,StringRef> Split = |
| StringRef(A->getValue()).split(';'); |
| |
| if (Split.second.empty()) { |
| Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); |
| continue; |
| } |
| |
| Opts.addRemappedFile(Split.first, Split.second); |
| } |
| |
| if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { |
| StringRef Name = A->getValue(); |
| unsigned Library = llvm::StringSwitch<unsigned>(Name) |
| .Case("libc++", ARCXX_libcxx) |
| .Case("libstdc++", ARCXX_libstdcxx) |
| .Case("none", ARCXX_nolib) |
| .Default(~0U); |
| if (Library == ~0U) |
| Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; |
| else |
| Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; |
| } |
| } |
| |
| static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, |
| ArgList &Args, |
| frontend::ActionKind Action) { |
| using namespace options; |
| |
| switch (Action) { |
| case frontend::ASTDeclList: |
| case frontend::ASTDump: |
| case frontend::ASTDumpXML: |
| case frontend::ASTPrint: |
| case frontend::ASTView: |
| case frontend::EmitAssembly: |
| case frontend::EmitBC: |
| case frontend::EmitHTML: |
| case frontend::EmitLLVM: |
| case frontend::EmitLLVMOnly: |
| case frontend::EmitCodeGenOnly: |
| case frontend::EmitObj: |
| case frontend::FixIt: |
| case frontend::GenerateModule: |
| case frontend::GeneratePCH: |
| case frontend::GeneratePTH: |
| case frontend::ParseSyntaxOnly: |
| case frontend::PluginAction: |
| case frontend::PrintDeclContext: |
| case frontend::RewriteObjC: |
| case frontend::RewriteTest: |
| case frontend::RunAnalysis: |
| case frontend::MigrateSource: |
| Opts.ShowCPP = 0; |
| break; |
| |
| case frontend::DumpRawTokens: |
| case frontend::DumpTokens: |
| case frontend::InitOnly: |
| case frontend::PrintPreamble: |
| case frontend::PrintPreprocessedInput: |
| case frontend::RewriteMacros: |
| case frontend::RunPreprocessorOnly: |
| Opts.ShowCPP = !Args.hasArg(OPT_dM); |
| break; |
| } |
| |
| Opts.ShowComments = Args.hasArg(OPT_C); |
| Opts.ShowLineMarkers = !Args.hasArg(OPT_P); |
| Opts.ShowMacroComments = Args.hasArg(OPT_CC); |
| Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); |
| Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes); |
| } |
| |
| static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { |
| using namespace options; |
| Opts.ABI = Args.getLastArgValue(OPT_target_abi); |
| Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); |
| Opts.CPU = Args.getLastArgValue(OPT_target_cpu); |
| Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature); |
| Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); |
| Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); |
| |
| // Use the default target triple if unspecified. |
| if (Opts.Triple.empty()) |
| Opts.Triple = llvm::sys::getDefaultTargetTriple(); |
| } |
| |
| // |
| |
| bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, |
| const char *const *ArgBegin, |
| const char *const *ArgEnd, |
| DiagnosticsEngine &Diags) { |
| bool Success = true; |
| |
| // Parse the arguments. |
| OwningPtr<OptTable> Opts(createDriverOptTable()); |
| unsigned MissingArgIndex, MissingArgCount; |
| OwningPtr<InputArgList> Args( |
| Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); |
| |
| // Check for missing argument error. |
| if (MissingArgCount) { |
| Diags.Report(diag::err_drv_missing_argument) |
| << Args->getArgString(MissingArgIndex) << MissingArgCount; |
| Success = false; |
| } |
| |
| // Issue errors on unknown arguments. |
| for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), |
| ie = Args->filtered_end(); it != ie; ++it) { |
| Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); |
| Success = false; |
| } |
| |
| // Issue errors on arguments that are not valid for CC1. |
| for (ArgList::iterator I = Args->begin(), E = Args->end(); |
| I != E; ++I) { |
| if (!(*I)->getOption().hasFlag(options::CC1Option)) { |
| Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); |
| Success = false; |
| } |
| } |
| |
| Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success; |
| Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; |
| ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); |
| Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) |
| && Success; |
| ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); |
| // FIXME: We shouldn't have to pass the DashX option around here |
| InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); |
| Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) |
| && Success; |
| ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); |
| if (DashX != IK_AST && DashX != IK_LLVM_IR) { |
| ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); |
| if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) |
| Res.getLangOpts()->ObjCExceptions = 1; |
| } |
| // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of |
| // PCH file and find the original header name. Remove the need to do that in |
| // ParsePreprocessorArgs and remove the FileManager |
| // parameters from the function and the "FileManager.h" #include. |
| FileManager FileMgr(Res.getFileSystemOpts()); |
| ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); |
| ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args, |
| Res.getFrontendOpts().ProgramAction); |
| ParseTargetArgs(Res.getTargetOpts(), *Args); |
| |
| return Success; |
| } |
| |
| namespace { |
| |
| class ModuleSignature { |
| SmallVector<uint64_t, 16> Data; |
| unsigned CurBit; |
| uint64_t CurValue; |
| |
| public: |
| ModuleSignature() : CurBit(0), CurValue(0) { } |
| |
| void add(uint64_t Value, unsigned Bits); |
| void add(StringRef Value); |
| void flush(); |
| |
| llvm::APInt getAsInteger() const; |
| }; |
| } |
| |
| void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { |
| CurValue |= Value << CurBit; |
| if (CurBit + NumBits < 64) { |
| CurBit += NumBits; |
| return; |
| } |
| |
| // Add the current word. |
| Data.push_back(CurValue); |
| |
| if (CurBit) |
| CurValue = Value >> (64-CurBit); |
| else |
| CurValue = 0; |
| CurBit = (CurBit+NumBits) & 63; |
| } |
| |
| void ModuleSignature::flush() { |
| if (CurBit == 0) |
| return; |
| |
| Data.push_back(CurValue); |
| CurBit = 0; |
| CurValue = 0; |
| } |
| |
| void ModuleSignature::add(StringRef Value) { |
| for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) |
| add(*I, 8); |
| } |
| |
| llvm::APInt ModuleSignature::getAsInteger() const { |
| return llvm::APInt(Data.size() * 64, Data); |
| } |
| |
| std::string CompilerInvocation::getModuleHash() const { |
| using llvm::hash_code; |
| using llvm::hash_value; |
| using llvm::hash_combine; |
| |
| // Start the signature with the compiler version. |
| // FIXME: We'd rather use something more cryptographically sound than |
| // CityHash, but this will do for now. |
| hash_code code = hash_value(getClangFullRepositoryVersion()); |
| |
| // Extend the signature with the language options |
| #define LANGOPT(Name, Bits, Default, Description) \ |
| code = hash_combine(code, LangOpts->Name); |
| #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ |
| code = hash_combine(code, static_cast<unsigned>(LangOpts->get##Name())); |
| #define BENIGN_LANGOPT(Name, Bits, Default, Description) |
| #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) |
| #include "clang/Basic/LangOptions.def" |
| |
| // Extend the signature with the target options. |
| code = hash_combine(code, TargetOpts->Triple, TargetOpts->CPU, |
| TargetOpts->ABI, TargetOpts->CXXABI, |
| TargetOpts->LinkerVersion); |
| for (unsigned i = 0, n = TargetOpts->FeaturesAsWritten.size(); i != n; ++i) |
| code = hash_combine(code, TargetOpts->FeaturesAsWritten[i]); |
| |
| // Extend the signature with preprocessor options. |
| const PreprocessorOptions &ppOpts = getPreprocessorOpts(); |
| const HeaderSearchOptions &hsOpts = getHeaderSearchOpts(); |
| code = hash_combine(code, ppOpts.UsePredefines, ppOpts.DetailedRecord); |
| |
| std::vector<StringRef> MacroDefs; |
| for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator |
| I = getPreprocessorOpts().Macros.begin(), |
| IEnd = getPreprocessorOpts().Macros.end(); |
| I != IEnd; ++I) { |
| // If we're supposed to ignore this macro for the purposes of modules, |
| // don't put it into the hash. |
| if (!hsOpts.ModulesIgnoreMacros.empty()) { |
| // Check whether we're ignoring this macro. |
| StringRef MacroDef = I->first; |
| if (hsOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first)) |
| continue; |
| } |
| |
| code = hash_combine(code, I->first, I->second); |
| } |
| |
| // Extend the signature with the sysroot. |
| code = hash_combine(code, hsOpts.Sysroot, hsOpts.UseBuiltinIncludes, |
| hsOpts.UseStandardSystemIncludes, |
| hsOpts.UseStandardCXXIncludes, |
| hsOpts.UseLibcxx); |
| |
| return llvm::APInt(64, code).toString(36, /*Signed=*/false); |
| } |