path: root/tools/llvmc/CompilerDriver.cpp

//===- CompilerDriver.cpp - The LLVM Compiler Driver ------------*- C++ -*-===//
//
//
//                     The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencer and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the bulk of the LLVM Compiler Driver (llvmc).
//
//===----------------------------------------------------------------------===//

#include "CompilerDriver.h"
#include "ConfigLexer.h"
#include "llvm/Module.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Support/Timer.h"
#include "llvm/System/Signals.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/alloca.h"
#include <iostream>
using namespace llvm;

namespace {

void WriteAction(CompilerDriver::Action* action ) {
  std::cerr << action->program.c_str();
  std::vector<std::string>::const_iterator I = action->args.begin();
  while (I != action->args.end()) {
    std::cerr << ' ' << *I;
    ++I;
  }
  std::cerr << '\n';
}

void DumpAction(CompilerDriver::Action* action) {
  std::cerr << "command = " << action->program.c_str();
  std::vector<std::string>::const_iterator I = action->args.begin();
  while (I != action->args.end()) {
    std::cerr << ' ' << *I;
    ++I;
  }
  std::cerr << '\n';
  std::cerr << "flags = " << action->flags << '\n';
}

void DumpConfigData(CompilerDriver::ConfigData* cd, const std::string& type ){
  std::cerr << "Configuration Data For '" << cd->langName << "' (" << type
    << ")\n";
  std::cerr << "PreProcessor: ";
  DumpAction(&cd->PreProcessor);
  std::cerr << "Translator: ";
  DumpAction(&cd->Translator);
  std::cerr << "Optimizer: ";
  DumpAction(&cd->Optimizer);
  std::cerr << "Assembler: ";
  DumpAction(&cd->Assembler);
  std::cerr << "Linker: ";
  DumpAction(&cd->Linker);
}

static bool GetBytecodeDependentLibraries(const std::string &fname,
                                          Module::LibraryListType& deplibs,
                                          BCDecompressor_t *BCDC,
                                          std::string* ErrMsg) {
  ModuleProvider* MP = getBytecodeModuleProvider(fname, BCDC, ErrMsg);
  if (!MP) {
    deplibs.clear();
    return true;
  }
  Module* M = MP->releaseModule(ErrMsg);
  deplibs = M->getLibraries();
  delete M;
  delete MP;
  return false;
}


class CompilerDriverImpl : public CompilerDriver {
/// @name Constructors
/// @{
public:
  CompilerDriverImpl(ConfigDataProvider& confDatProv )
    : cdp(&confDatProv)
    , finalPhase(LINKING)
    , optLevel(OPT_FAST_COMPILE)
    , Flags(0)
    , machine()
    , LibraryPaths()
    , TempDir()
    , AdditionalArgs()
  {
    AdditionalArgs.reserve(NUM_PHASES);
    StringVector emptyVec;
    for (unsigned i = 0; i < NUM_PHASES; ++i)
      AdditionalArgs.push_back(emptyVec);
  }

  virtual ~CompilerDriverImpl() {
    cleanup();
    cdp = 0;
    LibraryPaths.clear();
    IncludePaths.clear();
    Defines.clear();
    TempDir.clear();
    AdditionalArgs.clear();
    fOptions.clear();
    MOptions.clear();
    WOptions.clear();
  }

/// @}
/// @name Methods
/// @{
public:
  virtual void setFinalPhase(Phases phase) {
    finalPhase = phase;
  }

  virtual void setOptimization(OptimizationLeve