forked from OSchip/llvm-project
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//===--- Driver.cpp - Clang GCC Compatible Driver -----------------------*-===//
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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/Driver/Driver.h"
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#include "clang/Driver/Arg.h"
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#include "clang/Driver/ArgList.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Option.h"
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#include "clang/Driver/Options.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang::driver;
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Driver::Driver() : Opts(new OptTable()) {
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}
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Driver::~Driver() {
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delete Opts;
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}
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ArgList *Driver::ParseArgStrings(const char **ArgBegin, const char **ArgEnd) {
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ArgList *Args = new ArgList(ArgBegin, ArgEnd);
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unsigned Index = 0, End = ArgEnd - ArgBegin;
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while (Index < End) {
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unsigned Prev = Index;
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Arg *A = getOpts().ParseOneArg(*Args, Index, End);
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if (A)
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Args->append(A);
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assert(Index > Prev && "Parser failed to consume argument.");
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}
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return Args;
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}
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Compilation *Driver::BuildCompilation(int argc, const char **argv) {
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ArgList *Args = ParseArgStrings(argv + 1, argv + argc);
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// Hard coded to print-options behavior.
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unsigned i = 0;
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for (ArgList::iterator it = Args->begin(), ie = Args->end();
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it != ie; ++it, ++i) {
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Arg *A = *it;
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llvm::errs() << "Option " << i << " - "
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<< "Name: \"" << A->getOption().getName() << "\", "
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<< "Values: {";
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for (unsigned j = 0; j < A->getNumValues(); ++j) {
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if (j)
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llvm::errs() << ", ";
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llvm::errs() << '"' << A->getValue(*Args, j) << '"';
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}
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llvm::errs() << "}\n";
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llvm::errs().flush(); // FIXME
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}
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return new Compilation();
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}
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