tree 1846e46c1daa24b3782b642210b2bfd5ca9d26fd
parent 4348a8590cc6ec8237b3f8cbd1fa2cdb87fe9fb9
author Timur Iskhakov <iskhakovt@google.com> 1503361883 -0700
committer Timur Iskhakov <iskhakovt@google.com> 1503609927 -0700

Build AST graph explicitly for simpler post-parsing passes

Puts all of AST parent-child dependencies into a graph.
This change also makes it able to not care about such case:
Type -> (non Type) -> Type (ex. Interface -> Method -> Type)
and to store only Type -> Type relations.

Test: hidl_test
Change-Id: Ic67d9833d9519d7bd6cbae603c556c5bd905167a