#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/CC1Options.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/OptTable.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/TextDiagnosticBuffer.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/FrontendTool/Utils.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/LinkAllPasses.h"
#include <cstdio>
using namespace clang;
static void LLVMErrorHandler(void *UserData, const std::string &Message) {
DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
Diags.Report(diag::err_fe_error_backend) << Message;
exit(1);
}
static int cc1_test(DiagnosticsEngine &Diags,
const char **ArgBegin, const char **ArgEnd) {
using namespace clang::driver;
llvm::errs() << "cc1 argv:";
for (const char **i = ArgBegin; i != ArgEnd; ++i)
llvm::errs() << " \"" << *i << '"';
llvm::errs() << "\n";
OptTable *Opts = createCC1OptTable();
unsigned MissingArgIndex, MissingArgCount;
InputArgList *Args = Opts->ParseArgs(ArgBegin, ArgEnd,
MissingArgIndex, MissingArgCount);
if (MissingArgCount)
Diags.Report(clang::diag::err_drv_missing_argument)
<< Args->getArgString(MissingArgIndex) << MissingArgCount;
llvm::errs() << "cc1 parsed options:\n";
for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
it != ie; ++it)
(*it)->dump();
llvm::errs() << "cc1 creating invocation.\n";
CompilerInvocation Invocation;
if (!CompilerInvocation::CreateFromArgs(Invocation, ArgBegin, ArgEnd, Diags))
return 1;
std::vector<std::string> InvocationArgs;
Invocation.toArgs(InvocationArgs);
SmallVector<const char*, 32> Invocation2Args;
llvm::errs() << "invocation argv :";
for (unsigned i = 0, e = InvocationArgs.size(); i != e; ++i) {
Invocation2Args.push_back(InvocationArgs[i].c_str());
llvm::errs() << " \"" << InvocationArgs[i] << '"';
}
llvm::errs() << "\n";
CompilerInvocation Invocation2;
if (!CompilerInvocation::CreateFromArgs(Invocation2, Invocation2Args.begin(),
Invocation2Args.end(), Diags))
return 1;
if (true) {
std::vector<std::string> Invocation2Args;
Invocation2.toArgs(Invocation2Args);
llvm::errs() << "invocation2 argv:";
for (unsigned i = 0, e = Invocation2Args.size(); i != e; ++i)
llvm::errs() << " \"" << Invocation2Args[i] << '"';
llvm::errs() << "\n";
}
return 0;
}
int cc1_main(const char **ArgBegin, const char **ArgEnd,
const char *Argv0, void *MainAddr) {
OwningPtr<CompilerInstance> Clang(new CompilerInstance());
IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
if (ArgBegin != ArgEnd && StringRef(ArgBegin[0]) == "-cc1test") {
DiagnosticsEngine Diags(DiagID, new TextDiagnosticPrinter(llvm::errs(),
DiagnosticOptions()));
return cc1_test(Diags, ArgBegin + 1, ArgEnd);
}
llvm::InitializeAllTargets();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllAsmParsers();
TextDiagnosticBuffer *DiagsBuffer = new TextDiagnosticBuffer;
DiagnosticsEngine Diags(DiagID, DiagsBuffer);
bool Success;
Success = CompilerInvocation::CreateFromArgs(Clang->getInvocation(),
ArgBegin, ArgEnd, Diags);
if (Clang->getHeaderSearchOpts().UseBuiltinIncludes &&
Clang->getHeaderSearchOpts().ResourceDir.empty())
Clang->getHeaderSearchOpts().ResourceDir =
CompilerInvocation::GetResourcesPath(Argv0, MainAddr);
Clang->createDiagnostics(ArgEnd - ArgBegin, const_cast<char**>(ArgBegin));
if (!Clang->hasDiagnostics())
return 1;
llvm::install_fatal_error_handler(LLVMErrorHandler,
static_cast<void*>(&Clang->getDiagnostics()));
DiagsBuffer->FlushDiagnostics(Clang->getDiagnostics());
if (!Success)
return 1;
Success = ExecuteCompilerInvocation(Clang.get());
llvm::TimerGroup::printAll(llvm::errs());
llvm::remove_fatal_error_handler();
if (Clang->getFrontendOpts().DisableFree) {
if (llvm::AreStatisticsEnabled() || Clang->getFrontendOpts().ShowStats)
llvm::PrintStatistics();
Clang.take();
return !Success;
}
llvm::llvm_shutdown();
return !Success;
}