forked from OSchip/llvm-project
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
//===--- Action.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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Action class - implementation and auxiliary functions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/CompilerDriver/Action.h"
|
|
#include "llvm/CompilerDriver/BuiltinOptions.h"
|
|
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "llvm/System/Program.h"
|
|
#include "llvm/System/TimeValue.h"
|
|
|
|
#include <stdexcept>
|
|
#include <string>
|
|
|
|
using namespace llvm;
|
|
using namespace llvmc;
|
|
|
|
namespace {
|
|
int ExecuteProgram(const std::string& name,
|
|
const StrVector& 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.");
|
|
|
|
// Build the command line vector and the redirects array.
|
|
const sys::Path* redirects[3] = {0,0,0};
|
|
sys::Path stdout_redirect;
|
|
|
|
std::vector<const char*> argv;
|
|
argv.reserve((args.size()+2));
|
|
argv.push_back(name.c_str());
|
|
|
|
for (StrVector::const_iterator B = args.begin(), E = args.end();
|
|
B!=E; ++B) {
|
|
if (*B == ">") {
|
|
++B;
|
|
stdout_redirect.set(*B);
|
|
redirects[1] = &stdout_redirect;
|
|
}
|
|
else {
|
|
argv.push_back((*B).c_str());
|
|
}
|
|
}
|
|
argv.push_back(0); // null terminate list.
|
|
|
|
// Invoke the program.
|
|
return sys::Program::ExecuteAndWait(prog, &argv[0], 0, &redirects[0]);
|
|
}
|
|
|
|
void print_string (const std::string& str) {
|
|
errs() << str << ' ';
|
|
}
|
|
}
|
|
|
|
namespace llvmc {
|
|
void AppendToGlobalTimeLog(const std::string& cmd, double time);
|
|
}
|
|
|
|
int llvmc::Action::Execute() const {
|
|
if (DryRun || VerboseMode) {
|
|
errs() << Command_ << " ";
|
|
std::for_each(Args_.begin(), Args_.end(), print_string);
|
|
errs() << '\n';
|
|
}
|
|
if (!DryRun) {
|
|
if (Time) {
|
|
sys::TimeValue now = sys::TimeValue::now();
|
|
int ret = ExecuteProgram(Command_, Args_);
|
|
sys::TimeValue now2 = sys::TimeValue::now();
|
|
now2 -= now;
|
|
double elapsed = now2.seconds() + now2.microseconds() / 1000000.0;
|
|
AppendToGlobalTimeLog(Command_, elapsed);
|
|
|
|
return ret;
|
|
}
|
|
else {
|
|
return ExecuteProgram(Command_, Args_);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|