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// -*- c++ -*-
// Distributed under the BSD 2-Clause License.
// See accompanying file LICENSE for details.
#include "tasks.h"
#include <filesystem>
#include <deque>
#include <iostream>
#include <algorithm>
#include "settings.h"
#include "libctor.h"
#include "task.h"
#include "task_cc.h"
#include "task_ld.h"
#include "task_ar.h"
#include "task_so.h"
#include "rebuild.h"
const std::deque<Target>& getTargets(const Settings& settings)
{
static bool initialised{false};
static std::deque<Target> targets;
if(!initialised)
{
for(std::size_t i = 0; i < numConfigFiles; ++i)
{
std::string path =
std::filesystem::path(configFiles[i].file).parent_path().string();
if(settings.verbose > 1)
{
std::cout << configFiles[i].file << " in path " << path << "\n";
}
auto configs = configFiles[i].cb();
for(const auto& config : configs)
{
targets.push_back({config, path});
}
}
initialised = true;
}
return targets;
}
namespace
{
std::list<std::shared_ptr<Task>> taskFactory(const BuildConfiguration& config,
const Settings& settings,
const std::string& sourceDir)
{
std::filesystem::path targetFile(config.target);
TargetType target_type{config.type};
if(target_type == TargetType::Auto)
{
if(targetFile.extension() == ".a")
{
target_type = TargetType::StaticLibrary;
}
else if(targetFile.extension() == ".so")
{
target_type = TargetType::DynamicLibrary;
}
else if(targetFile.extension() == "")
{
target_type = TargetType::Executable;
}
else
{
std::cerr << "Could not deduce target type from target " <<
targetFile.string() << " please specify.\n";
exit(1);
}
}
std::vector<std::string> objects;
std::list<std::shared_ptr<Task>> tasks;
for(const auto& file : config.sources)
{
tasks.emplace_back(std::make_shared<TaskCC>(config, settings,
sourceDir, file));
objects.push_back(tasks.back()->target());
}
switch(target_type)
{
case TargetType::Auto:
// The target_type cannot be Auto
break;
case TargetType::StaticLibrary:
tasks.emplace_back(std::make_shared<TaskAR>(config, settings, config.target,
objects));
break;
case TargetType::DynamicLibrary:
if(targetFile.stem().string().substr(0, 3) != "lib")
{
std::cerr << "Dynamic library target must have 'lib' prefix\n";
exit(1);
}
tasks.emplace_back(std::make_shared<TaskSO>(config, settings, config.target,
objects));
break;
case TargetType::Executable:
case TargetType::UnitTest:
tasks.emplace_back(std::make_shared<TaskLD>(config, settings, config.target,
objects));
break;
case TargetType::Object:
break;
}
return tasks;
}
}
std::shared_ptr<Task> getNextTask(const std::list<std::shared_ptr<Task>>& allTasks,
std::list<std::shared_ptr<Task>>& dirtyTasks)
{
for(auto dirtyTask = dirtyTasks.begin();
dirtyTask != dirtyTasks.end();
++dirtyTask)
{
//std::cout << "Examining target " << (*dirtyTask)->target() << "\n";
if((*dirtyTask)->ready())
{
dirtyTasks.erase(dirtyTask);
return *dirtyTask;
}
}
//std::cout << "No task ready ... \n";
return nullptr;
}
std::list<std::shared_ptr<Task>> getTasks(const Settings& settings,
const std::vector<std::string> names)
{
auto& targets = getTargets(settings);
std::list<std::shared_ptr<Task>> tasks;
for(const auto& target : targets)
{
if(names.empty() ||
std::find(std::begin(names), std::end(names), target.config.target) != std::end(names))
{
std::vector<std::string> objects;
auto t = taskFactory(target.config, settings, target.path);
tasks.insert(tasks.end(), t.begin(), t.end());
}
}
return tasks;
}
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