static unsigned PrintActions1(const Compilation &C,
Action *A,
std::map<Action*, unsigned> &Ids) {
if (Ids.count(A))
return Ids[A];
std::string str;
llvm::raw_string_ostream os(str);
os << Action::getClassName(A->getKind()) << ", ";
if (InputAction *IA = dyn_cast<InputAction>(A)) {
os << "\"" << IA->getInputArg().getValue(C.getArgs()) << "\"";
} else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) {
os << '"' << (BIA->getArchName() ? BIA->getArchName() :
C.getDefaultToolChain().getArchName()) << '"'
<< ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}";
} else {
os << "{";
for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) {
os << PrintActions1(C, *it, Ids);
++it;
if (it != ie)
os << ", ";
}
os << "}";
}
unsigned Id = Ids.size();
Ids[A] = Id;
llvm::errs() << Id << ": " << os.str() << ", "
<< types::getTypeName(A->getType()) << "\n";
return Id;
}
void Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const {
static char buf[] = "$URL: https://llvm.org/svn/llvm-project/cfe/branches/release_26/lib/Driver/Driver.cpp $";
char *zap = strstr(buf, "/lib/Driver");
if (zap)
*zap = 0;
zap = strstr(buf, "/clang/tools/clang");
if (zap)
*zap = 0;
const char *vers = buf+6;
// FIXME: Add cmake support and remove #ifdef
#ifdef SVN_REVISION
const char *revision = SVN_REVISION;
#else
const char *revision = "";
#endif
// FIXME: The following handlers should use a callback mechanism, we
// don't know what the client would like to do.
OS << "clang version " CLANG_VERSION_STRING " ("
<< vers << " " << revision << ")" << '\n';
const ToolChain &TC = C.getDefaultToolChain();
OS << "Target: " << TC.getTripleString() << '\n';
// Print the threading model.
//
// FIXME: Implement correctly.
OS << "Thread model: " << "posix" << '\n';
}
void Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const {
// FIXME: The following handlers should use a callback mechanism, we don't
// know what the client would like to do.
OS << getClangFullVersion() << '\n';
const ToolChain &TC = C.getDefaultToolChain();
OS << "Target: " << TC.getTripleString() << '\n';
// Print the threading model.
//
// FIXME: Implement correctly.
OS << "Thread model: " << "posix" << '\n';
}
void Driver::BuildJobsForAction(Compilation &C,
const Action *A,
const ToolChain *TC,
bool CanAcceptPipe,
bool AtTopLevel,
const char *LinkingOutput,
InputInfo &Result) const {
llvm::PrettyStackTraceString CrashInfo("Building compilation jobs for action");
bool UsePipes = C.getArgs().hasArg(options::OPT_pipe);
// FIXME: Pipes are forcibly disabled until we support executing
// them.
if (!CCCPrintBindings)
UsePipes = false;
if (const InputAction *IA = dyn_cast<InputAction>(A)) {
// FIXME: It would be nice to not claim this here; maybe the old
// scheme of just using Args was better?
const Arg &Input = IA->getInputArg();
Input.claim();
if (isa<PositionalArg>(Input)) {
const char *Name = Input.getValue(C.getArgs());
Result = InputInfo(Name, A->getType(), Name);
} else
Result = InputInfo(&Input, A->getType(), "");
return;
}
if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
const char *ArchName = BAA->getArchName();
std::string Arch;
if (!ArchName) {
Arch = C.getDefaultToolChain().getArchName();
ArchName = Arch.c_str();
}
BuildJobsForAction(C,
*BAA->begin(),
Host->getToolChain(C.getArgs(), ArchName),
CanAcceptPipe,
AtTopLevel,
LinkingOutput,
Result);
return;
}
const JobAction *JA = cast<JobAction>(A);
const Tool &T = TC->SelectTool(C, *JA);
// See if we should use an integrated preprocessor. We do so when we
// have exactly one input, since this is the only use case we care
// about (irrelevant since we don't support combine yet).
bool UseIntegratedCPP = false;
const ActionList *Inputs = &A->getInputs();
if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin())) {
if (!C.getArgs().hasArg(options::OPT_no_integrated_cpp) &&
!C.getArgs().hasArg(options::OPT_traditional_cpp) &&
!C.getArgs().hasArg(options::OPT_save_temps) &&
T.hasIntegratedCPP()) {
UseIntegratedCPP = true;
Inputs = &(*Inputs)[0]->getInputs();
}
}
// Only use pipes when there is exactly one input.
bool TryToUsePipeInput = Inputs->size() == 1 && T.acceptsPipedInput();
InputInfoList InputInfos;
for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end();
it != ie; ++it) {
InputInfo II;
BuildJobsForAction(C, *it, TC, TryToUsePipeInput,
/*AtTopLevel*/false,
LinkingOutput,
II);
InputInfos.push_back(II);
}
// Determine if we should output to a pipe.
bool OutputToPipe = false;
if (CanAcceptPipe && T.canPipeOutput()) {
// Some actions default to writing to a pipe if they are the top
// level phase and there was no user override.
//
// FIXME: Is there a better way to handle this?
if (AtTopLevel) {
if (isa<PreprocessJobAction>(A) && !C.getArgs().hasArg(options::OPT_o))
OutputToPipe = true;
} else if (UsePipes)
OutputToPipe = true;
}
// Figure out where to put the job (pipes).
Job *Dest = &C.getJobs();
if (InputInfos[0].isPipe()) {
assert(TryToUsePipeInput && "Unrequested pipe!");
assert(InputInfos.size() == 1 && "Unexpected pipe with multiple inputs.");
Dest = &InputInfos[0].getPipe();
}
// Always use the first input as the base input.
const char *BaseInput = InputInfos[0].getBaseInput();
// Determine the place to write output to (nothing, pipe, or
// filename) and where to put the new job.
if (JA->getType() == types::TY_Nothing) {
Result = InputInfo(A->getType(), BaseInput);
} else if (OutputToPipe) {
// Append to current piped job or create a new one as appropriate.
PipedJob *PJ = dyn_cast<PipedJob>(Dest);
if (!PJ) {
PJ = new PipedJob();
// FIXME: Temporary hack so that -ccc-print-bindings work until
// we have pipe support. Please remove later.
if (!CCCPrintBindings)
cast<JobList>(Dest)->addJob(PJ);
Dest = PJ;
}
Result = InputInfo(PJ, A->getType(), BaseInput);
} else {
Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel),
A->getType(), BaseInput);
}
if (CCCPrintBindings) {
llvm::errs() << "# \"" << T.getToolChain().getTripleString() << '"'
<< " - \"" << T.getName() << "\", inputs: [";
for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) {
llvm::errs() << InputInfos[i].getAsString();
if (i + 1 != e)
llvm::errs() << ", ";
}
llvm::errs() << "], output: " << Result.getAsString() << "\n";
} else {
T.ConstructJob(C, *JA, *Dest, Result, InputInfos,
C.getArgsForToolChain(TC), LinkingOutput);
}
}
void Driver::BuildJobs(Compilation &C) const {
llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
bool SaveTemps = C.getArgs().hasArg(options::OPT_save_temps);
bool UsePipes = C.getArgs().hasArg(options::OPT_pipe);
// FIXME: Pipes are forcibly disabled until we support executing
// them.
if (!CCCPrintBindings)
UsePipes = false;
// -save-temps inhibits pipes.
if (SaveTemps && UsePipes) {
Diag(clang::diag::warn_drv_pipe_ignored_with_save_temps);
UsePipes = true;
}
Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o);
// It is an error to provide a -o option if we are making multiple
// output files.
if (FinalOutput) {
unsigned NumOutputs = 0;
for (ActionList::const_iterator it = C.getActions().begin(),
ie = C.getActions().end(); it != ie; ++it)
if ((*it)->getType() != types::TY_Nothing)
++NumOutputs;
if (NumOutputs > 1) {
Diag(clang::diag::err_drv_output_argument_with_multiple_files);
FinalOutput = 0;
}
}
for (ActionList::const_iterator it = C.getActions().begin(),
ie = C.getActions().end(); it != ie; ++it) {
Action *A = *it;
// If we are linking an image for multiple archs then the linker
// wants -arch_multiple and -final_output <final image
// name>. Unfortunately, this doesn't fit in cleanly because we
// have to pass this information down.
//
// FIXME: This is a hack; find a cleaner way to integrate this
// into the process.
const char *LinkingOutput = 0;
if (isa<LipoJobAction>(A)) {
if (FinalOutput)
LinkingOutput = FinalOutput->getValue(C.getArgs());
else
LinkingOutput = DefaultImageName.c_str();
}
InputInfo II;
BuildJobsForAction(C, A, &C.getDefaultToolChain(),
/*CanAcceptPipe*/ true,
/*AtTopLevel*/ true,
/*LinkingOutput*/ LinkingOutput,
II);
}
// If the user passed -Qunused-arguments or there were errors, don't
// warn about any unused arguments.
if (Diags.getNumErrors() ||
C.getArgs().hasArg(options::OPT_Qunused_arguments))
return;
// Claim -### here.
(void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH);
for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
it != ie; ++it) {
Arg *A = *it;
// FIXME: It would be nice to be able to send the argument to the
// Diagnostic, so that extra values, position, and so on could be
// printed.
if (!A->isClaimed()) {
if (A->getOption().hasNoArgumentUnused())
continue;
// Suppress the warning automatically if this is just a flag,
// and it is an instance of an argument we already claimed.
const Option &Opt = A->getOption();
if (isa<FlagOption>(Opt)) {
bool DuplicateClaimed = false;
// FIXME: Use iterator.
for (ArgList::const_iterator it = C.getArgs().begin(),
ie = C.getArgs().end(); it != ie; ++it) {
if ((*it)->isClaimed() && (*it)->getOption().matches(Opt.getId())) {
DuplicateClaimed = true;
break;
}
}
if (DuplicateClaimed)
continue;
}
Diag(clang::diag::warn_drv_unused_argument)
<< A->getAsString(C.getArgs());
}
}
}
bool Driver::HandleImmediateArgs(const Compilation &C) {
// The order these options are handled in in gcc is all over the
// place, but we don't expect inconsistencies w.r.t. that to matter
// in practice.
if (C.getArgs().hasArg(options::OPT_dumpversion)) {
llvm::outs() << CLANG_VERSION_STRING "\n";
return false;
}
if (C.getArgs().hasArg(options::OPT__help) ||
C.getArgs().hasArg(options::OPT__help_hidden)) {
PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden));
return false;
}
if (C.getArgs().hasArg(options::OPT__version)) {
// Follow gcc behavior and use stdout for --version and stderr for -v
PrintVersion(C, llvm::outs());
return false;
}
if (C.getArgs().hasArg(options::OPT_v) ||
C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
PrintVersion(C, llvm::errs());
SuppressMissingInputWarning = true;
}
const ToolChain &TC = C.getDefaultToolChain();
if (C.getArgs().hasArg(options::OPT_print_search_dirs)) {
llvm::outs() << "programs: =";
for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(),
ie = TC.getProgramPaths().end(); it != ie; ++it) {
if (it != TC.getProgramPaths().begin())
llvm::outs() << ':';
llvm::outs() << *it;
}
llvm::outs() << "\n";
llvm::outs() << "libraries: =";
for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(),
ie = TC.getFilePaths().end(); it != ie; ++it) {
if (it != TC.getFilePaths().begin())
llvm::outs() << ':';
llvm::outs() << *it;
}
llvm::outs() << "\n";
return false;
}
// FIXME: The following handlers should use a callback mechanism, we
// don't know what the client would like to do.
if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) {
llvm::outs() << GetFilePath(A->getValue(C.getArgs()), TC).toString()
<< "\n";
return false;
}
if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) {
llvm::outs() << GetProgramPath(A->getValue(C.getArgs()), TC).toString()
<< "\n";
return false;
}
if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
llvm::outs() << GetFilePath("libgcc.a", TC).toString() << "\n";
return false;
}
if (C.getArgs().hasArg(options::OPT_print_multi_lib)) {
// FIXME: We need tool chain support for this.
llvm::outs() << ".;\n";
switch (C.getDefaultToolChain().getTriple().getArch()) {
default:
break;
case llvm::Triple::x86_64:
llvm::outs() << "x86_64;@m64" << "\n";
break;
case llvm::Triple::ppc64:
llvm::outs() << "ppc64;@m64" << "\n";
break;
}
return false;
}
// FIXME: What is the difference between print-multi-directory and
// print-multi-os-directory?
if (C.getArgs().hasArg(options::OPT_print_multi_directory) ||
C.getArgs().hasArg(options::OPT_print_multi_os_directory)) {
switch (C.getDefaultToolChain().getTriple().getArch()) {
default:
case llvm::Triple::x86:
case llvm::Triple::ppc:
llvm::outs() << "." << "\n";
break;
case llvm::Triple::x86_64:
llvm::outs() << "x86_64" << "\n";
break;
case llvm::Triple::ppc64:
llvm::outs() << "ppc64" << "\n";
break;
}
return false;
}
return true;
}