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// file : libbuild2/scope.ixx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
namespace build2
{
// scope
//
inline scope* scope::
strong_scope ()
{
return root_ != nullptr
? root_->strong_ != nullptr ? root_->strong_ : root_
: nullptr;
}
inline const scope* scope::
strong_scope () const
{
return root_ != nullptr
? root_->strong_ != nullptr ? root_->strong_ : root_
: nullptr;
}
inline scope* scope::
weak_scope ()
{
scope* r (root_);
if (r != nullptr)
for (; r->parent_->root_ != nullptr; r = r->parent_->root_) ;
return r;
}
inline const scope* scope::
weak_scope () const
{
const scope* r (root_);
if (r != nullptr)
for (; r->parent_->root_ != nullptr; r = r->parent_->root_) ;
return r;
}
inline bool scope::
sub_root (const scope& r) const
{
// Scan the parent root scope chain looking for this scope.
//
for (const scope* pr (&r); (pr = pr->parent_->root_) != nullptr; )
if (pr == this)
return true;
return false;
}
}
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