Resurrect mcc16, it is useful as an example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117198 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 57 insertions, 0 deletions

diff --git a/tools/llvmc/examples/mcc16/Main.cpp b/tools/llvmc/examples/mcc16/Main.cpp
new file mode 100644
index 0000000000..55ae912839
--- /dev/null
+++ b/tools/llvmc/examples/mcc16/Main.cpp
@@ -0,0 +1,57 @@
+//===--- Main.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Usually this file just includes CompilerDriver/Main.inc, but here we apply
+//  some trickery to make the built-in '-save-temps' option hidden and enable
+//  '--temp-dir' by default.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CompilerDriver/BuiltinOptions.h"
+#include "llvm/CompilerDriver/Main.h"
+
+#include "llvm/System/Path.h"
+#include "llvm/Config/config.h"
+
+#include <iostream>
+
+#include "PIC16.inc"
+
+namespace {
+
+// Modify the PACKAGE_VERSION to use build number in top level configure file.
+void PIC16VersionPrinter(void) {
+  std::cout << "MPLAB C16 1.0 " << PACKAGE_VERSION << "\n";
+}
+
+}
+
+int main(int argc, char** argv) {
+
+  // HACK
+  SaveTemps.setHiddenFlag(llvm::cl::Hidden);
+  TempDirname.setHiddenFlag(llvm::cl::Hidden);
+  Languages.setHiddenFlag(llvm::cl::Hidden);
+  DryRun.setHiddenFlag(llvm::cl::Hidden);
+
+  llvm::cl::SetVersionPrinter(PIC16VersionPrinter);
+
+  // Ask for a standard temp dir, but just cache its basename., and delete it.
+  llvm::sys::Path tempDir;
+  tempDir = llvm::sys::Path::GetTemporaryDirectory();
+  TempDirname = tempDir.getBasename();
+  tempDir.eraseFromDisk(true);
+
+  // We are creating a temp dir in current dir, with the cached name.
+  //  But before that remove if one already exists with that name..
+  tempDir = TempDirname;
+  tempDir.eraseFromDisk(true);
+
+  return llvmc::Main(argc, argv);
+}