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//===--- Tools.h - 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.
//
//===----------------------------------------------------------------------===//
//
// Action class - implementation and auxiliary functions.
//
//===----------------------------------------------------------------------===//
#include "Action.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/System/Program.h"
#include <iostream>
#include <stdexcept>
using namespace llvm;
extern cl::opt<bool> VerboseMode;
namespace {
int ExecuteProgram(const std::string& name,
const std::vector<std::string>& args) {
sys::Path prog = sys::Program::FindProgramByName(name);
if (prog.isEmpty())
throw std::runtime_error("Can't find program '" + name + "'");
if (!prog.canExecute())
throw std::runtime_error("Program '" + name + "' is not executable.");
// Invoke the program
std::vector<const char*> argv((args.size()+2));
argv[0] = name.c_str();
for (unsigned i = 1; i <= args.size(); ++i)
argv[i] = args[i-1].c_str();
argv[args.size()+1] = 0; // null terminate list.
return sys::Program::ExecuteAndWait(prog, &argv[0]);
}
void print_string (const std::string& str) {
std::cerr << str << ' ';
}
}
int llvmcc::Action::Execute() {
if (VerboseMode) {
std::cerr << Command_ << " ";
std::for_each(Args_.begin(), Args_.end(), print_string);
std::cerr << '\n';
}
return ExecuteProgram(Command_, Args_);
}
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