Static classes for global usage

[coder137]

• [x] Environment Initialization
• [x] Persistent Storage
• [x] Registration for Toolchain, TargetInfo, Target and Generators
• [x] Arguments

Examples

// 1
Project::Init("project_root_directory", "project_build_directory");

// 2
Storage::Add<Target>("identifier", ...);
auto & t = Storage::Ref<Target>("identifier");
const auto & t = Storage::ConstRef<Target>("identifier");

// 3
Reg::Init(...);
Reg::Build(...)
Reg::Dep(target, dependency);
Reg::Callback(...);

// 4
Args::Init(...);
Args::AddToolchain(...);

[coder137]

201 Static Project class

[coder137]

202 Static Args class

203 Args::Instance

204 Static Reg class

[coder137]

205 Static Storage class