llvm-project/lld/unittests/DriverTests/DriverTest.h

60 lines
1.5 KiB
C++

//===- lld/unittest/DriverTest.h ------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <stdarg.h>
#include "gtest/gtest.h"
#include "lld/Driver/Driver.h"
#include "lld/Driver/LinkerInput.h"
#include "llvm/Support/raw_ostream.h"
namespace {
using namespace llvm;
using namespace lld;
template<typename Driver, typename TargetInfo>
class ParserTest : public testing::Test {
protected:
void SetUp() {
os.reset(new raw_string_ostream(diags));
}
virtual TargetInfo *doParse(int argc, const char **argv,
raw_ostream &diag) = 0;
void parse(const char *args, ...) {
// Construct command line options from varargs.
std::vector<const char *> vec;
vec.push_back(args);
va_list ap;
va_start(ap, args);
while (const char *arg = va_arg(ap, const char *))
vec.push_back(arg);
va_end(ap);
// Call the parser.
info.reset(doParse(vec.size(), &vec[0], *os));
// Copy the output file name for the sake of convenience.
if (info)
for (const LinkerInput &input : info->inputFiles())
inputFiles.push_back(input.getPath().str());
}
std::unique_ptr<TargetInfo> info;
std::string diags;
std::unique_ptr<raw_string_ostream> os;
std::vector<std::string> inputFiles;
};
}