bug fixes and performance improvements

src/pipeline/project_tree/mod.rs

@@ -0,0 +1,38 @@
+/* FILE SEPARATION BOUNDARY
+
+Collect all operators accessible in each file, parse the files with
+correct tokenization, resolve glob imports, convert expressions to
+refer to tokens with (local) absolute path, and connect them into a
+single tree.
+
+The module checks for imports from missing modules (including submodules).
+All other errors must be checked later.
+
+Injection strategy:
+Return all items of the given module in the injected tree for `injected`
+The output of this stage is a tree, which can simply be overlaid with
+the injected tree
+*/
+
+mod collect_ops;
+mod parse_file;
+mod build_tree;
+mod normalize_imports;
+mod prefix;
+mod tree;
+mod const_tree;
+mod add_prelude;
+
+pub use collect_ops::InjectedOperatorsFn;
+
+pub use const_tree::{
+  ConstTree, from_const_tree,
+};
+
+pub use tree::{
+  ProjectExt, ProjectModule, ProjectTree, collect_consts, collect_rules
+};
+
+pub use build_tree::{
+  build_tree, split_path
+};