r259189 - in /branches/c++-modules: ChangeLog.m...

[nathan@gcc.gnu.org]

Author: nathan
Date: Fri Apr  6 19:37:28 2018
New Revision: 259189

URL: https://gcc.gnu.org/viewcvs?rev=259189&root=gcc&view=rev
Log:
	Lazy loading!
	gcc/cp/
	* cp-tree.h (union mc_slot): New.
	(struct module_cluster): Use it.
	(lazy_load_binding): Take an mc_slot.
	* module.c (module_state::release): End the elf source.
	(module_state::read_function_def): Save and restore
	current_function_decl.
	(module_state::read): Enable lazy loading.
	(module_state::lazy_load): Take an mc_slot, adjust.
	(lazy_load_binding): Likewise.
	* name-lookup.c (module_binding_slot): Return an mc_slot pointer.
	(fixed_module_binding_slot): New.
	(name_lookup::search_namespace_only): Lazily load.
	(do_pushdecl): Use fixed_module_binding_slot.
	(merge_global_decl): Adjust.
	(import_module_binding): Install lazy cookie.
	(set_module_binding): Adjust.  Kill stale & wrong global module
	bits.
	(lookup_by_ident): Lazily load.
	(reuse_namespace): Use fixed_module_binding_slot.
	(make_namespace_finish): Likweise.
	(add_imported_namespace, find_imported_namespace): Adjust.
	gcc/c-family/
	* c.opt (fmodule-lazy): Default on.
	gcc/testsuite/
	* g++.dg/modules/lazy-1_[ab].C: New.

Added:
    branches/c++-modules/gcc/testsuite/g++.dg/modules/lazy-1_a.C
    branches/c++-modules/gcc/testsuite/g++.dg/modules/lazy-1_b.C
Modified:
    branches/c++-modules/ChangeLog.modules
    branches/c++-modules/gcc/c-family/c.opt
    branches/c++-modules/gcc/cp/cp-tree.h
    branches/c++-modules/gcc/cp/module.c
    branches/c++-modules/gcc/cp/name-lookup.c