1828 lines
71 KiB
C++
1828 lines
71 KiB
C++
//===--- CompilerInvocation.cpp -------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/CompilerInvocation.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/Version.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/Util.h"
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#include "clang/Frontend/LangStandard.h"
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#include "clang/Frontend/Utils.h"
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#include "clang/Lex/HeaderSearchOptions.h"
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#include "clang/Serialization/ASTReader.h"
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#include "llvm/ADT/Hashing.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Host.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/system_error.h"
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#include <sys/stat.h>
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using namespace clang;
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//===----------------------------------------------------------------------===//
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// Initialization.
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//===----------------------------------------------------------------------===//
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CompilerInvocationBase::CompilerInvocationBase()
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: LangOpts(new LangOptions()), TargetOpts(new TargetOptions()),
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DiagnosticOpts(new DiagnosticOptions()),
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HeaderSearchOpts(new HeaderSearchOptions()),
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PreprocessorOpts(new PreprocessorOptions()) {}
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CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X)
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: RefCountedBase<CompilerInvocation>(),
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LangOpts(new LangOptions(*X.getLangOpts())),
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TargetOpts(new TargetOptions(X.getTargetOpts())),
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DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())),
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HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())),
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PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())) {}
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//===----------------------------------------------------------------------===//
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// Deserialization (from args)
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//===----------------------------------------------------------------------===//
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using namespace clang::driver;
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using namespace clang::driver::options;
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using namespace llvm::opt;
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//
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static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
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DiagnosticsEngine &Diags) {
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unsigned DefaultOpt = 0;
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if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
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DefaultOpt = 2;
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if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
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if (A->getOption().matches(options::OPT_O0))
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return 0;
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if (A->getOption().matches(options::OPT_Ofast))
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return 3;
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assert (A->getOption().matches(options::OPT_O));
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StringRef S(A->getValue());
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if (S == "s" || S == "z" || S.empty())
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return 2;
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return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
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}
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return DefaultOpt;
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}
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static unsigned getOptimizationLevelSize(ArgList &Args) {
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if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
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if (A->getOption().matches(options::OPT_O)) {
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switch (A->getValue()[0]) {
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default:
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return 0;
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case 's':
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return 1;
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case 'z':
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return 2;
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}
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}
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}
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return 0;
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}
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static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) {
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for (arg_iterator I = Args.filtered_begin(OPT_W_Group),
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E = Args.filtered_end(); I != E; ++I) {
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Arg *A = *I;
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// If the argument is a pure flag, add its name (minus the "W" at the beginning)
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// to the warning list. Else, add its value (for the OPT_W case).
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if (A->getOption().getKind() == Option::FlagClass) {
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Warnings.push_back(A->getOption().getName().substr(1));
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} else {
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for (unsigned Idx = 0, End = A->getNumValues();
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Idx < End; ++Idx) {
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StringRef V = A->getValue(Idx);
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// "-Wl," and such are not warning options.
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// FIXME: Should be handled by putting these in separate flags.
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if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,"))
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continue;
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Warnings.push_back(V);
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}
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}
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}
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}
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static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
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DiagnosticsEngine &Diags) {
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using namespace options;
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bool Success = true;
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if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
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StringRef Name = A->getValue();
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AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
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#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
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.Case(CMDFLAG, NAME##Model)
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#include "clang/StaticAnalyzer/Core/Analyses.def"
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.Default(NumStores);
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if (Value == NumStores) {
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Diags.Report(diag::err_drv_invalid_value)
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<< A->getAsString(Args) << Name;
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Success = false;
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} else {
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Opts.AnalysisStoreOpt = Value;
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}
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}
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if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
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StringRef Name = A->getValue();
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AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
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#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
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.Case(CMDFLAG, NAME##Model)
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#include "clang/StaticAnalyzer/Core/Analyses.def"
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.Default(NumConstraints);
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if (Value == NumConstraints) {
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Diags.Report(diag::err_drv_invalid_value)
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<< A->getAsString(Args) << Name;
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Success = false;
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} else {
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Opts.AnalysisConstraintsOpt = Value;
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}
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}
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if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
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StringRef Name = A->getValue();
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AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
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#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN) \
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.Case(CMDFLAG, PD_##NAME)
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#include "clang/StaticAnalyzer/Core/Analyses.def"
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.Default(NUM_ANALYSIS_DIAG_CLIENTS);
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if (Value == NUM_ANALYSIS_DIAG_CLIENTS) {
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Diags.Report(diag::err_drv_invalid_value)
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<< A->getAsString(Args) << Name;
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Success = false;
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} else {
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Opts.AnalysisDiagOpt = Value;
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}
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}
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if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) {
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StringRef Name = A->getValue();
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AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name)
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#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \
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.Case(CMDFLAG, NAME)
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#include "clang/StaticAnalyzer/Core/Analyses.def"
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.Default(NumPurgeModes);
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if (Value == NumPurgeModes) {
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Diags.Report(diag::err_drv_invalid_value)
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<< A->getAsString(Args) << Name;
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Success = false;
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} else {
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Opts.AnalysisPurgeOpt = Value;
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}
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}
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if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) {
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StringRef Name = A->getValue();
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AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name)
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#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \
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.Case(CMDFLAG, NAME)
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#include "clang/StaticAnalyzer/Core/Analyses.def"
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.Default(NumInliningModes);
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if (Value == NumInliningModes) {
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Diags.Report(diag::err_drv_invalid_value)
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<< A->getAsString(Args) << Name;
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Success = false;
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} else {
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Opts.InliningMode = Value;
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}
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}
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Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
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Opts.visualizeExplodedGraphWithGraphViz =
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Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
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Opts.visualizeExplodedGraphWithUbiGraph =
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Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
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Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted);
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Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
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Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
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Opts.AnalyzeNestedBlocks =
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Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
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Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume);
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Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
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Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
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Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
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Opts.maxBlockVisitOnPath =
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getLastArgIntValue(Args, OPT_analyzer_max_loop, 4, Diags);
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Opts.PrintStats = Args.hasArg(OPT_analyzer_stats);
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Opts.InlineMaxStackDepth =
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getLastArgIntValue(Args, OPT_analyzer_inline_max_stack_depth,
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Opts.InlineMaxStackDepth, Diags);
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Opts.CheckersControlList.clear();
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for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
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OPT_analyzer_disable_checker),
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ie = Args.filtered_end(); it != ie; ++it) {
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const Arg *A = *it;
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A->claim();
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bool enable = (A->getOption().getID() == OPT_analyzer_checker);
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// We can have a list of comma separated checker names, e.g:
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// '-analyzer-checker=cocoa,unix'
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StringRef checkerList = A->getValue();
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SmallVector<StringRef, 4> checkers;
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checkerList.split(checkers, ",");
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for (unsigned i = 0, e = checkers.size(); i != e; ++i)
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Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
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}
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// Go through the analyzer configuration options.
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for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config),
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ie = Args.filtered_end(); it != ie; ++it) {
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const Arg *A = *it;
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A->claim();
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// We can have a list of comma separated config names, e.g:
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// '-analyzer-config key1=val1,key2=val2'
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StringRef configList = A->getValue();
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SmallVector<StringRef, 4> configVals;
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configList.split(configVals, ",");
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for (unsigned i = 0, e = configVals.size(); i != e; ++i) {
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StringRef key, val;
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llvm::tie(key, val) = configVals[i].split("=");
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if (val.empty()) {
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Diags.Report(SourceLocation(),
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diag::err_analyzer_config_no_value) << configVals[i];
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Success = false;
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break;
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}
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if (val.find('=') != StringRef::npos) {
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Diags.Report(SourceLocation(),
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diag::err_analyzer_config_multiple_values)
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<< configVals[i];
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Success = false;
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break;
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}
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Opts.Config[key] = val;
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}
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}
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return Success;
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}
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static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) {
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Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error);
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Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal);
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return true;
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}
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static void ParseCommentArgs(CommentOptions &Opts, ArgList &Args) {
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Opts.BlockCommandNames = Args.getAllArgValues(OPT_fcomment_block_commands);
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Opts.ParseAllComments = Args.hasArg(OPT_fparse_all_comments);
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}
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static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
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DiagnosticsEngine &Diags) {
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using namespace options;
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bool Success = true;
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Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
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// TODO: This could be done in Driver
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unsigned MaxOptLevel = 3;
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if (Opts.OptimizationLevel > MaxOptLevel) {
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// If the optimization level is not supported, fall back on the default optimization
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Diags.Report(diag::warn_drv_optimization_value)
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<< Args.getLastArg(OPT_O)->getAsString(Args) << "-O" << MaxOptLevel;
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Opts.OptimizationLevel = MaxOptLevel;
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}
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// We must always run at least the always inlining pass.
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Opts.setInlining(
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(Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
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: CodeGenOptions::OnlyAlwaysInlining);
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// -fno-inline-functions overrides OptimizationLevel > 1.
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Opts.NoInline = Args.hasArg(OPT_fno_inline);
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Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ?
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CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining());
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if (Args.hasArg(OPT_gline_tables_only)) {
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Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly);
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} else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
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Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
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if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true))
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Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo);
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else
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Opts.setDebugInfo(CodeGenOptions::FullDebugInfo);
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}
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Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info);
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Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
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if (Args.hasArg(OPT_gdwarf_2))
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Opts.DwarfVersion = 2;
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else if (Args.hasArg(OPT_gdwarf_3))
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Opts.DwarfVersion = 3;
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else if (Args.hasArg(OPT_gdwarf_4))
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Opts.DwarfVersion = 4;
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else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo)
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// Default Dwarf version is 4 if we are generating debug information.
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Opts.DwarfVersion = 4;
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Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
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Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
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Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
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Opts.UseRegisterSizedBitfieldAccess = Args.hasArg(
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OPT_fuse_register_sized_bitfield_access);
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Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
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Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa);
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Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
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Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
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Opts.NoCommon = Args.hasArg(OPT_fno_common);
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Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
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Opts.OptimizeSize = getOptimizationLevelSize(Args);
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Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
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Args.hasArg(OPT_ffreestanding));
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Opts.UnrollLoops =
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Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops,
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(Opts.OptimizationLevel > 1 && !Opts.OptimizeSize));
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Opts.RerollLoops = Args.hasArg(OPT_freroll_loops);
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Opts.Autolink = !Args.hasArg(OPT_fno_autolink);
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Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ);
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Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
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Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
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Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device);
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Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
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Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
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Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
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Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
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Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
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Opts.DisableFree = Args.hasArg(OPT_disable_free);
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Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls);
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Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
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Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
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Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
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Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
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Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) ||
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Args.hasArg(OPT_cl_finite_math_only)||
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Args.hasArg(OPT_cl_fast_relaxed_math));
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Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) ||
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Args.hasArg(OPT_cl_finite_math_only)||
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Args.hasArg(OPT_cl_fast_relaxed_math));
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Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
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Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
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Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0, Diags);
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Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge);
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Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
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Opts.EnableSegmentedStacks = Args.hasArg(OPT_split_stacks);
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Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
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Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
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Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
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Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
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Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm);
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Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
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Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums);
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Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) ||
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Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
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Args.hasArg(OPT_cl_fast_relaxed_math);
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Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
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Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
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Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ);
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Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array);
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Opts.FunctionSections = Args.hasFlag(OPT_ffunction_sections,
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OPT_fno_function_sections, false);
|
|
Opts.DataSections = Args.hasFlag(OPT_fdata_sections,
|
|
OPT_fno_data_sections, false);
|
|
|
|
Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
|
|
Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
|
|
Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
|
|
|
|
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.DisableGCov = Args.hasArg(OPT_test_coverage);
|
|
Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
|
|
Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
|
|
if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) {
|
|
Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
|
|
Opts.CoverageExtraChecksum = Args.hasArg(OPT_coverage_cfg_checksum);
|
|
Opts.CoverageNoFunctionNamesInData =
|
|
Args.hasArg(OPT_coverage_no_function_names_in_data);
|
|
if (Args.hasArg(OPT_coverage_version_EQ)) {
|
|
StringRef CoverageVersion = Args.getLastArgValue(OPT_coverage_version_EQ);
|
|
if (CoverageVersion.size() != 4) {
|
|
Diags.Report(diag::err_drv_invalid_value)
|
|
<< Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
|
|
<< CoverageVersion;
|
|
} else {
|
|
memcpy(Opts.CoverageVersion, CoverageVersion.data(), 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
|
|
Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
|
|
Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
|
|
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 =
|
|
getLastArgIntValue(Args, 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;
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(OPT_fpcc_struct_return, OPT_freg_struct_return)) {
|
|
if (A->getOption().matches(OPT_fpcc_struct_return)) {
|
|
Opts.setStructReturnConvention(CodeGenOptions::SRCK_OnStack);
|
|
} else {
|
|
assert(A->getOption().matches(OPT_freg_struct_return));
|
|
Opts.setStructReturnConvention(CodeGenOptions::SRCK_InRegs);
|
|
}
|
|
}
|
|
|
|
Opts.DependentLibraries = Args.getAllArgValues(OPT_dependent_lib);
|
|
|
|
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.PrintShowIncludes = Args.hasArg(OPT_show_includes);
|
|
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);
|
|
|
|
llvm::sys::Process::UseANSIEscapeCodes(Args.hasArg(OPT_fansi_escape_codes));
|
|
|
|
// 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 == "msvc-fallback") {
|
|
Opts.setFormat(DiagnosticOptions::Msvc);
|
|
Opts.CLFallbackMode = true;
|
|
} 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 = getLastArgIntValue(Args, OPT_ferror_limit, 0, Diags);
|
|
Opts.MacroBacktraceLimit =
|
|
getLastArgIntValue(Args, OPT_fmacro_backtrace_limit,
|
|
DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
|
|
Opts.TemplateBacktraceLimit = getLastArgIntValue(
|
|
Args, OPT_ftemplate_backtrace_limit,
|
|
DiagnosticOptions::DefaultTemplateBacktraceLimit, Diags);
|
|
Opts.ConstexprBacktraceLimit = getLastArgIntValue(
|
|
Args, OPT_fconstexpr_backtrace_limit,
|
|
DiagnosticOptions::DefaultConstexprBacktraceLimit, Diags);
|
|
Opts.TabStop = getLastArgIntValue(Args, 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 = getLastArgIntValue(Args, 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_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_module_file_info:
|
|
Opts.ProgramAction = frontend::ModuleFileInfo; 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.ASTDumpLookups = Args.hasArg(OPT_ast_dump_lookups);
|
|
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 (Args.hasArg(OPT_objcmt_migrate_property))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Property;
|
|
if (Args.hasArg(OPT_objcmt_migrate_readonly_property))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadonlyProperty;
|
|
if (Args.hasArg(OPT_objcmt_migrate_readwrite_property))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadwriteProperty;
|
|
if (Args.hasArg(OPT_objcmt_migrate_annotation))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Annotation;
|
|
if (Args.hasArg(OPT_objcmt_returns_innerpointer_property))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReturnsInnerPointerProperty;
|
|
if (Args.hasArg(OPT_objcmt_migrate_instancetype))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Instancetype;
|
|
if (Args.hasArg(OPT_objcmt_migrate_nsmacros))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsMacros;
|
|
if (Args.hasArg(OPT_objcmt_migrate_protocol_conformance))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ProtocolConformance;
|
|
if (Args.hasArg(OPT_objcmt_atomic_property))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_AtomicProperty;
|
|
if (Args.hasArg(OPT_objcmt_ns_nonatomic_iosonly))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsAtomicIOSOnlyProperty;
|
|
if (Args.hasArg(OPT_objcmt_migrate_all))
|
|
Opts.ObjCMTAction |= FrontendOptions::ObjCMT_MigrateDecls;
|
|
|
|
Opts.ObjCMTWhiteListPath = Args.getLastArgValue(OPT_objcmt_white_list_dir_path);
|
|
|
|
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)
|
|
.Cases("ast", "pcm", 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) {
|
|
SmallString<128> P(llvm::sys::fs::getMainExecutable(Argv0, MainAddr));
|
|
|
|
if (!P.empty()) {
|
|
llvm::sys::path::remove_filename(P); // Remove /clang from foo/bin/clang
|
|
llvm::sys::path::remove_filename(P); // Remove /bin from foo/bin
|
|
|
|
// Get foo/lib/clang/<version>/include
|
|
llvm::sys::path::append(P, "lib", "clang", 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);
|
|
// -fmodules implies -fmodule-maps
|
|
Opts.ModuleMaps = Args.hasArg(OPT_fmodule_maps) || Args.hasArg(OPT_fmodules);
|
|
Opts.ModuleCachePruneInterval =
|
|
getLastArgIntValue(Args, OPT_fmodules_prune_interval, 7 * 24 * 60 * 60);
|
|
Opts.ModuleCachePruneAfter =
|
|
getLastArgIntValue(Args, OPT_fmodules_prune_after, 31 * 24 * 60 * 60);
|
|
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);
|
|
}
|
|
std::vector<std::string> ModuleMapFiles =
|
|
Args.getAllArgValues(OPT_fmodule_map_file);
|
|
Opts.ModuleMapFiles.insert(ModuleMapFiles.begin(), ModuleMapFiles.end());
|
|
|
|
// 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;
|
|
|
|
// C++1y onwards has sized global deallocation functions.
|
|
Opts.SizedDeallocation = Opts.CPlusPlus1y;
|
|
}
|
|
|
|
/// 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_fobjc_subscripting_legacy_runtime))
|
|
Opts.ObjCSubscriptingLegacyRuntime =
|
|
(Opts.ObjCRuntime.getKind() == ObjCRuntime::FragileMacOSX);
|
|
}
|
|
|
|
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;
|
|
|
|
// 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 = getLastArgIntValue(Args, 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.ModulesDeclUse = Args.hasArg(OPT_fmodules_decluse);
|
|
Opts.CharIsSigned = Opts.OpenCL || !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.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin);
|
|
Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
|
|
Opts.SizedDeallocation |= Args.hasArg(OPT_fsized_deallocation);
|
|
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 = !Opts.OpenCL && Args.hasArg(OPT_fmath_errno);
|
|
Opts.InstantiationDepth =
|
|
getLastArgIntValue(Args, OPT_ftemplate_depth, 256, Diags);
|
|
Opts.ArrowDepth =
|
|
getLastArgIntValue(Args, OPT_foperator_arrow_depth, 256, Diags);
|
|
Opts.ConstexprCallDepth =
|
|
getLastArgIntValue(Args, OPT_fconstexpr_depth, 512, Diags);
|
|
Opts.ConstexprStepLimit =
|
|
getLastArgIntValue(Args, OPT_fconstexpr_steps, 1048576, Diags);
|
|
Opts.BracketDepth = getLastArgIntValue(Args, OPT_fbracket_depth, 256, Diags);
|
|
Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing);
|
|
Opts.NumLargeByValueCopy =
|
|
getLastArgIntValue(Args, 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_disable_objc_default_synthesize_properties);
|
|
Opts.EncodeExtendedBlockSig =
|
|
Args.hasArg(OPT_fencode_extended_block_signature);
|
|
Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
|
|
Opts.PackStruct = getLastArgIntValue(Args, OPT_fpack_struct_EQ, 0, Diags);
|
|
Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
|
|
Opts.PIELevel = getLastArgIntValue(Args, 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);
|
|
|
|
if (Arg *A = Args.getLastArg(OPT_faddress_space_map_mangling_EQ)) {
|
|
switch (llvm::StringSwitch<unsigned>(A->getValue())
|
|
.Case("target", LangOptions::ASMM_Target)
|
|
.Case("no", LangOptions::ASMM_Off)
|
|
.Case("yes", LangOptions::ASMM_On)
|
|
.Default(255)) {
|
|
default:
|
|
Diags.Report(diag::err_drv_invalid_value)
|
|
<< "-faddress-space-map-mangling=" << A->getValue();
|
|
break;
|
|
case LangOptions::ASMM_Target:
|
|
Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Target);
|
|
break;
|
|
case LangOptions::ASMM_On:
|
|
Opts.setAddressSpaceMapMangling(LangOptions::ASMM_On);
|
|
break;
|
|
case LangOptions::ASMM_Off:
|
|
Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Off);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
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 = getLastArgIntValue(Args, 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::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::ModuleFileInfo:
|
|
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.FPMath = Args.getLastArgValue(OPT_mfpmath);
|
|
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());
|
|
const unsigned IncludedFlagsBitmask = options::CC1Option;
|
|
unsigned MissingArgIndex, MissingArgCount;
|
|
OwningPtr<InputArgList> Args(
|
|
Opts->ParseArgs(ArgBegin, ArgEnd, MissingArgIndex, MissingArgCount,
|
|
IncludedFlagsBitmask));
|
|
|
|
// 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;
|
|
}
|
|
|
|
Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success;
|
|
Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success;
|
|
ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
|
|
Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags)
|
|
&& Success;
|
|
ParseCommentArgs(Res.getLangOpts()->CommentOpts, *Args);
|
|
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 {
|
|
// Note: For QoI reasons, the things we use as a hash here should all be
|
|
// dumped via the -module-info flag.
|
|
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);
|
|
|
|
// Darwin-specific hack: if we have a sysroot, use the contents and
|
|
// modification time of
|
|
// $sysroot/System/Library/CoreServices/SystemVersion.plist
|
|
// as part of the module hash.
|
|
if (!hsOpts.Sysroot.empty()) {
|
|
llvm::OwningPtr<llvm::MemoryBuffer> buffer;
|
|
SmallString<128> systemVersionFile;
|
|
systemVersionFile += hsOpts.Sysroot;
|
|
llvm::sys::path::append(systemVersionFile, "System");
|
|
llvm::sys::path::append(systemVersionFile, "Library");
|
|
llvm::sys::path::append(systemVersionFile, "CoreServices");
|
|
llvm::sys::path::append(systemVersionFile, "SystemVersion.plist");
|
|
if (!llvm::MemoryBuffer::getFile(systemVersionFile.str(), buffer)) {
|
|
code = hash_combine(code, buffer.get()->getBuffer());
|
|
|
|
struct stat statBuf;
|
|
if (stat(systemVersionFile.c_str(), &statBuf) == 0)
|
|
code = hash_combine(code, statBuf.st_mtime);
|
|
}
|
|
}
|
|
|
|
return llvm::APInt(64, code).toString(36, /*Signed=*/false);
|
|
}
|
|
|
|
namespace clang {
|
|
|
|
// Declared in clang/Frontend/Utils.h.
|
|
int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default,
|
|
DiagnosticsEngine *Diags) {
|
|
int Res = Default;
|
|
if (Arg *A = Args.getLastArg(Id)) {
|
|
if (StringRef(A->getValue()).getAsInteger(10, Res)) {
|
|
if (Diags)
|
|
Diags->Report(diag::err_drv_invalid_int_value) << A->getAsString(Args)
|
|
<< A->getValue();
|
|
}
|
|
}
|
|
return Res;
|
|
}
|
|
}
|