tools/llvmc/examples/mcc16/Main.cpp

   1 //===--- Main.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open
   6 // Source License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 //  Usually this file just includes CompilerDriver/Main.inc, but here we apply
  11 //  some trickery to make the built-in '-save-temps' option hidden and enable
  12 //  '--temp-dir' by default.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include "llvm/CompilerDriver/BuiltinOptions.h"
  17 #include "llvm/CompilerDriver/Main.h"
  18
  19 #include "llvm/Support/Path.h"
  20 #include "llvm/Config/config.h"
  21
  22 #include <iostream>
  23
  24 #include "PIC16.inc"
  25
  26 namespace {
  27
  28 // Modify the PACKAGE_VERSION to use build number in top level configure file.
  29 void PIC16VersionPrinter(void) {
  30   std::cout << "MPLAB C16 1.0 " << PACKAGE_VERSION << "\n";
  31 }
  32
  33 }
  34
  35 int main(int argc, char** argv) {
  36
  37   // HACK
  38   SaveTemps.setHiddenFlag(llvm::cl::Hidden);
  39   TempDirname.setHiddenFlag(llvm::cl::Hidden);
  40   Languages.setHiddenFlag(llvm::cl::Hidden);
  41   DryRun.setHiddenFlag(llvm::cl::Hidden);
  42
  43   llvm::cl::SetVersionPrinter(PIC16VersionPrinter);
  44
  45   // Ask for a standard temp dir, but just cache its basename., and delete it.
  46   llvm::sys::Path tempDir;
  47   tempDir = llvm::sys::Path::GetTemporaryDirectory();
  48   TempDirname = tempDir.getBasename();
  49   tempDir.eraseFromDisk(true);
  50
  51   // We are creating a temp dir in current dir, with the cached name.
  52   //  But before that remove if one already exists with that name..
  53   tempDir = TempDirname;
  54   tempDir.eraseFromDisk(true);
  55
  56   return llvmc::Main(argc, argv);
  57 }