resolve: improve import resolution#31461

Merged

bors merged 12 commits intorust-lang:masterfrom jseyfried:remove_import_resolutions

Feb 11, 2016

+377-677

Commits on Feb 8, 2016

Make resolve_name_in_module solely responsible for tracking used crates in lib.rs
jseyfried
committed
Refactor away Target
jseyfried
committed
Add and use an arena for NameBindings
jseyfried
committed
Expand NameBinding to better represent bindings from imports
jseyfried
committed
Refactor away separate tracking of used_public and used_reexport.
jseyfried
committed
Refactor away the fields id and is_public of ImportResolution and rename ImportResolution to NameResolution
jseyfried
committed
Write and use increment_outstanding_references_for and decrement_outstanding_references_for
jseyfried
committed
Change try_define_child to return a Result instead of an Option
jseyfried
committed
Replace children and import_resolutions with a single NameResolution-valued map.
jseyfried
committed
Refactor away add_export and cleanup the end of resolve_single_import
jseyfried
committed
Reallow methods from traits that are shadowed by non-import items
jseyfried
committed

Commits on Feb 9, 2016

Allow prelude imports to shadow eachother (needed for the [pretty] tests)
jseyfried
committed