static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
using namespace cc1options;
Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/");
Opts.Verbose = Args.hasArg(OPT_v);
Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir);
// Add -I... and -F... options in order.
for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
ie = Args.filtered_end(); it != ie; ++it)
Opts.AddPath(it->getValue(Args), frontend::Angled, true,
/*IsFramework=*/ it->getOption().matches(OPT_F));
// Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
llvm::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) {
if (it->getOption().matches(OPT_iprefix))
Prefix = it->getValue(Args);
else if (it->getOption().matches(OPT_iwithprefix))
Opts.AddPath(Prefix.str() + it->getValue(Args),
frontend::System, false, false);
else
Opts.AddPath(Prefix.str() + it->getValue(Args),
frontend::Angled, false, false);
}
for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
ie = Args.filtered_end(); it != ie; ++it)
Opts.AddPath(it->getValue(Args), frontend::After, true, false);
for (arg_iterator it = Args.filtered_begin(OPT_iquote),
ie = Args.filtered_end(); it != ie; ++it)
Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false);
for (arg_iterator it = Args.filtered_begin(OPT_isystem),
ie = Args.filtered_end(); it != ie; ++it)
Opts.AddPath(it->getValue(Args), frontend::System, true, false);
// FIXME: Need options for the various environment variables!
}
int main()
{
//string a;
//raw_string_ostream ost(a);
const DiagnosticOptions diagOptions;
TextDiagnosticPrinter *tdp =
new TextDiagnosticPrinter(outs(), diagOptions, true);//, dops);
LangOptions lang;
DiagnosticIDs *diagID;
const llvm::IntrusiveRefCntPtr< DiagnosticIDs > Diags;
Diagnostic diag(Diags, tdp, false);
FileSystemOptions fsOptions;
FileManager fm(fsOptions);
SourceManager sm(diag, fm);
//tut3
HeaderSearchOptions HSOpts;
HSOpts.AddPath("/usr/include/linux/", frontend::System, false, false, true); // for stddef.h
HSOpts.AddPath("/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/", frontend::System, false, false, true); // for stdarg.h
HeaderSearch headers(fm);
TargetOptions tarOptions;
tarOptions.Triple = LLVM_HOSTTRIPLE;
TargetInfo *ti = TargetInfo::CreateTargetInfo(diag, tarOptions);
//tut3
ApplyHeaderSearchOptions( headers, HSOpts, lang, ti->getTriple());
Preprocessor pp(diag, lang, *ti, sm, headers);
//tut2---------------------------------------------------------------
const FileEntry *file = fm.getFile("input01.c");
sm.createMainFileID(file);
pp.EnterMainSourceFile();
Token Tok;
do {
pp.Lex(Tok);
if(diag.hasErrorOccurred())
break;
pp.DumpToken(Tok);
std::cerr << std::endl;
} while(Tok.isNot(tok::eof));
//end of tut2---------------------------------------------------------------
//tut4---------------------------------------------------------------
IdentifierTable tab(lang);
SelectorTable sels;
Builtin::Context builtins(*ti);
unsigned size = 0;
ASTContext ctxt(lang, sm, *ti, tab, sels, builtins, size);
ASTConsumer consumer;
CodeCompleteConsumer *codeCompleter;
MySemaAction sema(pp, ctxt, consumer, false, codeCompleter);
Parser p(pp, sema);
p.ParseTranslationUnit();
tab.PrintStats();
//end of tut4---------------------------------------------------------------
//DeclSpec DS;
//Declarator DeclaratorInfo(DS, Declarator::TypeNameContext);
//sema.ActOnDeclarator(p.getCurScope(), DeclaratorInfo);
return 0;
}