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//===--- Driver.cpp - Clang GCC Compatible Driver -----------------------*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Driver.h"
#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Option.h"
#include "clang/Driver/Options.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang::driver;
Driver::Driver() : Opts(new OptTable()) {
}
Driver::~Driver() {
delete Opts;
}
ArgList *Driver::ParseArgStrings(const char **ArgBegin, const char **ArgEnd) {
ArgList *Args = new ArgList(ArgBegin, ArgEnd);
unsigned Index = 0, End = ArgEnd - ArgBegin;
while (Index < End) {
unsigned Prev = Index;
Arg *A = getOpts().ParseOneArg(*Args, Index, End);
if (A)
Args->append(A);
assert(Index > Prev && "Parser failed to consume argument.");
}
return Args;
}
Compilation *Driver::BuildCompilation(int argc, const char **argv) {
ArgList *Args = ParseArgStrings(argv + 1, argv + argc);
// Hard coded to print-options behavior.
unsigned i = 0;
for (ArgList::iterator it = Args->begin(), ie = Args->end();
it != ie; ++it, ++i) {
Arg *A = *it;
llvm::errs() << "Option " << i << " - "
<< "Name: \"" << A->getOption().getName() << "\", "
<< "Values: {";
for (unsigned j = 0; j < A->getNumValues(); ++j) {
if (j)
llvm::errs() << ", ";
llvm::errs() << '"' << A->getValue(*Args, j) << '"';
}
llvm::errs() << "}\n";
llvm::errs().flush(); // FIXME
}
return new Compilation();
}
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