tree 4a2fc47545e5451f3b9376c2359cd44b862370e9
parent e12c78095755517799fe022b70fdf93d6896dcab
author Yuchen Wu <yuchenericwu@google.com> 1444165407 -0700
committer Yuchen Wu <yuchenericwu@google.com> 1444186987 -0700

Add walkDeps to context and module_ctx.

walkDeps performs a pre-order DFS (unlike visitDepsDepthFirst which is
a post-order DFS). The visit function takes in both a parent and child
node and returns a bool indicating if the child node should be
traversed.