func clearInfoFields(info *loader.PackageInfo) {
// TODO(adonovan): opt: save memory by eliminating unneeded scopes/objects.
// (Requires go/types change for Go 1.7.)
// info.Pkg.Scope().ClearChildren()
// Discard the file ASTs and their accumulated type
// information to save memory.
info.Files = nil
info.Defs = make(map[*ast.Ident]types.Object)
info.Uses = make(map[*ast.Ident]types.Object)
info.Implicits = make(map[ast.Node]types.Object)
// Also, disable future collection of wholly unneeded
// type information for the package in case there is
// more type-checking to do (augmentation).
info.Types = nil
info.Scopes = nil
info.Selections = nil
}
