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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 <list>
#include <iostream>
#include <algorithm>
#include "ctor.h"
#include "task.h"
#include "task_cc.h"
#include "task_ld.h"
#include "task_ar.h"
#include "task_so.h"
#include "task_fn.h"
#include "rebuild.h"
#include "configure.h"
using namespace ctor;
const std::deque<Target>& getTargets(const ctor::settings& settings,
bool resolve_externals)
{
static bool initialised{false};
static std::deque<Target> targets;
if(!initialised)
{
const auto& externals = configuration().externals;
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(settings);
for(auto& config : configs)
{
if(resolve_externals)
{
// Resolv config externals
for(const auto& external : config.externals)
{
if(externals.find(external) == externals.end())
{
std::cout << "External '" << external <<
"' not found in cache - run configure.\n";
exit(1);
}
const auto& flags = externals.at(external);
config.flags.cflags.insert(config.flags.cflags.end(),
flags.cflags.begin(),
flags.cflags.end());
config.flags.cxxflags.insert(config.flags.cxxflags.end(),
flags.cxxflags.begin(),
flags.cxxflags.end());
config.flags.ldflags.insert(config.flags.ldflags.end(),
flags.ldflags.begin(),
flags.ldflags.end());
config.flags.asmflags.insert(config.flags.asmflags.end(),
flags.asmflags.begin(),
flags.asmflags.end());
//config.libs.insert(config.libs.end(),
// libs.begin(),
// libs.end());
}
}
targets.push_back({config, path});
}
}
initialised = true;
}
return targets;
}
std::set<std::shared_ptr<Task>> taskFactory(const ctor::build_configuration& config,
const ctor::settings& settings,
const std::string& sourceDir)
{
std::set<std::shared_ptr<Task>> tasks;
std::filesystem::path targetFile(config.target);
ctor::target_type target_type{config.type};
if(target_type == ctor::target_type::automatic)
{
if(config.function != nullptr)
{
target_type = ctor::target_type::function;
}
else if(targetFile.extension() == ".a")
{
target_type = ctor::target_type::static_library;
}
else if(targetFile.extension() == ".so")
{
target_type = ctor::target_type::dynamic_library;
}
else if(targetFile.extension() == "")
{
target_type = ctor::target_type::executable;
}
else
{
std::cerr << "Could not deduce target type from target " <<
targetFile.string() << " please specify.\n";
exit(1);
}
}
std::vector<std::string> objects;
if(target_type != ctor::target_type::function)
{
for(const auto& file : config.sources)
{
auto task = std::make_shared<TaskCC>(config, settings, sourceDir, file);
tasks.insert(task);
objects.push_back(task->targetFile().string());
}
}
#ifndef BOOTSTRAP
else
{
for(const auto& file : config.sources)
{
auto task = std::make_shared<TaskFn>(config, settings, sourceDir, file);
tasks.insert(task);
objects.push_back(task->target());
}
}
#endif
switch(target_type)
{
case ctor::target_type::automatic:
// The target_type cannot be Auto
break;
case ctor::target_type::static_library:
case ctor::target_type::unit_test_library:
tasks.insert(std::make_shared<TaskAR>(config, settings, config.target,
objects, sourceDir));
break;
#ifndef BOOTSTRAP
case ctor::target_type::dynamic_library:
// TODO: Use C++20 starts_with
if(targetFile.stem().string().substr(0, 3) != "lib")
{
std::cerr << "Dynamic library target must have 'lib' prefix\n";
exit(1);
}
tasks.insert(std::make_shared<TaskSO>(config, settings, config.target,
objects, sourceDir));
break;
case ctor::target_type::executable:
case ctor::target_type::unit_test:
tasks.insert(std::make_shared<TaskLD>(config, settings, config.target,
objects, sourceDir));
break;
case ctor::target_type::object:
case ctor::target_type::function:
break;
#else
default:
break;
#endif
}
return tasks;
}
std::shared_ptr<Task> getNextTask(const std::set<std::shared_ptr<Task>>& allTasks,
std::set<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::set<std::shared_ptr<Task>> getTasks(const ctor::settings& settings,
const std::vector<std::string> names,
bool resolve_externals)
{
auto& targets = getTargets(settings, resolve_externals);
std::set<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(t.begin(), t.end());
}
}
return tasks;
}
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