fhicl::detail::TableMemberRegistry Class Reference

#include "TableMemberRegistry.h"

Private Types
using	base_ptr = cet::exempt_ptr< ParameterBase >
using	table_members_t = std::vector< base_ptr >

Static Private Member Functions
static TableMemberRegistry &	instance_ ()
static std::vector< base_ptr >	release_members ()
static void	emplace_table_member (ParameterBase *pb)
static void	new_table ()

Private Attributes
std::stack< table_members_t >	tables_

Friends
class	TableBase
class	RegisterIfTableMember

Detailed Description

Definition at line 47 of file TableMemberRegistry.h.

Member Typedef Documentation

using fhicl::detail::TableMemberRegistry::base_ptr = cet::exempt_ptr<ParameterBase>

private

Definition at line 49 of file TableMemberRegistry.h.

using fhicl::detail::TableMemberRegistry::table_members_t = std::vector<base_ptr>

private

Definition at line 50 of file TableMemberRegistry.h.

Member Function Documentation

void fhicl::detail::TableMemberRegistry::emplace_table_member ( ParameterBase *  pb )

staticprivate

Definition at line 31 of file TableMemberRegistry.cc.

References instance_(), and tables_.

Referenced by fhicl::detail::RegisterIfTableMember::RegisterIfTableMember().

  {
    instance_().tables_.top().emplace_back(pb);
  }

TableMemberRegistry & fhicl::detail::TableMemberRegistry::instance_ ( )

staticprivate

Definition at line 8 of file TableMemberRegistry.cc.

References fhicl::detail::per_thread_holder< T >::slot_for_current_thread().

Referenced by emplace_table_member(), new_table(), and release_members().

  {
    // The use of the registry is restricted to the construction
    // of fhiclcpp types.  As construction happens on only one
    // thread, it is sufficient for each thread to have its own
    // copy.  Although a thread-local static would be appropriate
    // here, not all implementations adequately support
    // thread-local variables for the use case here.  We thus use
    // a custom-built per-thread cache.
    static per_thread_holder<TableMemberRegistry> registry;
    return registry.slot_for_current_thread();
  }

void fhicl::detail::TableMemberRegistry::new_table ( )

staticprivate

Definition at line 37 of file TableMemberRegistry.cc.

References instance_(), and tables_.

Referenced by fhicl::detail::RegisterIfTableMember::RegisterIfTableMember().

  {
    instance_().tables_.emplace();
  }

std::vector< cet::exempt_ptr< ParameterBase > > fhicl::detail::TableMemberRegistry::release_members ( )

staticprivate

Definition at line 22 of file TableMemberRegistry.cc.

References instance_(), and tables_.

Referenced by fhicl::detail::TableBase::finalize_members().

  {
    auto& tables = instance_().tables_;
    auto result = std::exchange(tables.top(), {});
    tables.pop();
    return result;
  }

Friends And Related Function Documentation

friend class RegisterIfTableMember

friend

Definition at line 61 of file TableMemberRegistry.h.

friend class TableBase

friend

Definition at line 56 of file TableMemberRegistry.h.

Member Data Documentation

std::stack<table_members_t> fhicl::detail::TableMemberRegistry::tables_

private

Definition at line 51 of file TableMemberRegistry.h.

Referenced by emplace_table_member(), new_table(), and release_members().

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The documentation for this class was generated from the following files:

• fhiclcpp/types/detail/TableMemberRegistry.h
• fhiclcpp/types/detail/TableMemberRegistry.cc