lld/utils/linker-script-test/linker-script-test.cpp

//===- utils/linker-script-test/linker-script-test.cpp --------------------===//
//
//                             The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief Tool for testing linker script parsing.
///
//===----------------------------------------------------------------------===//

#include "lld/ReaderWriter/LinkerScript.h"

#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"

using namespace llvm;
using namespace lld;
using namespace script;

int main(int argc, const char **argv) {
  llvm::sys::PrintStackTraceOnErrorSignal();
  llvm::PrettyStackTraceProgram X(argc, argv);

  {
    llvm::OwningPtr<MemoryBuffer> mb;
    if (error_code ec = MemoryBuffer::getFileOrSTDIN(argv[1], mb)) {
      llvm::errs() << ec.message() << "\n";
      return 1;
    }
    Lexer l(std::unique_ptr<MemoryBuffer>(mb.take()));
    Token tok;
    while (true) {
      l.lex(tok);
      tok.dump(llvm::outs());
      if (tok._kind == Token::eof || tok._kind == Token::unknown)
        break;
    }
  }
  {
    llvm::OwningPtr<MemoryBuffer> mb;
    if (error_code ec = MemoryBuffer::getFileOrSTDIN(argv[1], mb)) {
      llvm::errs() << ec.message() << "\n";
      return 1;
    }
    Lexer l(std::unique_ptr<MemoryBuffer>(mb.take()));
    Parser p(l);
    LinkerScript *ls = p.parse();
    if (ls)
      ls->dump(llvm::outs());
  }
}