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-rw-r--r--crates/ra_hir/src/code_model_impl/module.rs30
1 files changed, 13 insertions, 17 deletions
diff --git a/crates/ra_hir/src/code_model_impl/module.rs b/crates/ra_hir/src/code_model_impl/module.rs
index 127dcc570..8668d6c8a 100644
--- a/crates/ra_hir/src/code_model_impl/module.rs
+++ b/crates/ra_hir/src/code_model_impl/module.rs
@@ -66,21 +66,21 @@ impl Module {
66 Some((file_id, src)) 66 Some((file_id, src))
67 } 67 }
68 68
69 pub(crate) fn krate_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Crate>> { 69 pub(crate) fn krate_impl(&self, db: &impl HirDatabase) -> Option<Crate> {
70 let root = self.crate_root(db)?; 70 let root = self.crate_root(db);
71 let loc = root.def_id.loc(db); 71 let loc = root.def_id.loc(db);
72 let file_id = loc.source_item_id.file_id.as_original_file(); 72 let file_id = loc.source_item_id.file_id.as_original_file();
73 73
74 let crate_graph = db.crate_graph(); 74 let crate_graph = db.crate_graph();
75 let crate_id = ctry!(crate_graph.crate_id_for_crate_root(file_id)); 75 let crate_id = crate_graph.crate_id_for_crate_root(file_id)?;
76 Ok(Some(Crate::new(crate_id))) 76 Some(Crate::new(crate_id))
77 } 77 }
78 78
79 pub(crate) fn crate_root_impl(&self, db: &impl HirDatabase) -> Cancelable<Module> { 79 pub(crate) fn crate_root_impl(&self, db: &impl HirDatabase) -> Module {
80 let loc = self.def_id.loc(db); 80 let loc = self.def_id.loc(db);
81 let module_tree = db.module_tree(loc.source_root_id); 81 let module_tree = db.module_tree(loc.source_root_id);
82 let module_id = loc.module_id.crate_root(&module_tree); 82 let module_id = loc.module_id.crate_root(&module_tree);
83 Ok(Module::from_module_id(db, loc.source_root_id, module_id)) 83 Module::from_module_id(db, loc.source_root_id, module_id)
84 } 84 }
85 85
86 /// Finds a child module with the specified name. 86 /// Finds a child module with the specified name.
@@ -92,7 +92,7 @@ impl Module {
92 } 92 }
93 93
94 /// Iterates over all child modules. 94 /// Iterates over all child modules.
95 pub fn children_impl(&self, db: &impl HirDatabase) -> Cancelable<impl Iterator<Item = Module>> { 95 pub fn children_impl(&self, db: &impl HirDatabase) -> impl Iterator<Item = Module> {
96 // FIXME this should be implementable without collecting into a vec, but 96 // FIXME this should be implementable without collecting into a vec, but
97 // it's kind of hard since the iterator needs to keep a reference to the 97 // it's kind of hard since the iterator needs to keep a reference to the
98 // module tree. 98 // module tree.
@@ -103,18 +103,14 @@ impl Module {
103 .children(&module_tree) 103 .children(&module_tree)
104 .map(|(_, module_id)| Module::from_module_id(db, loc.source_root_id, module_id)) 104 .map(|(_, module_id)| Module::from_module_id(db, loc.source_root_id, module_id))
105 .collect::<Vec<_>>(); 105 .collect::<Vec<_>>();
106 Ok(children.into_iter()) 106 children.into_iter()
107 } 107 }
108 108
109 pub fn parent_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> { 109 pub fn parent_impl(&self, db: &impl HirDatabase) -> Option<Module> {
110 let loc = self.def_id.loc(db); 110 let loc = self.def_id.loc(db);
111 let module_tree = db.module_tree(loc.source_root_id); 111 let module_tree = db.module_tree(loc.source_root_id);
112 let parent_id = ctry!(loc.module_id.parent(&module_tree)); 112 let parent_id = loc.module_id.parent(&module_tree)?;
113 Ok(Some(Module::from_module_id( 113 Some(Module::from_module_id(db, loc.source_root_id, parent_id))
114 db,
115 loc.source_root_id,
116 parent_id,
117 )))
118 } 114 }
119 115
120 /// Returns a `ModuleScope`: a set of items, visible in this module. 116 /// Returns a `ModuleScope`: a set of items, visible in this module.
@@ -132,10 +128,10 @@ impl Module {
132 ) -> Cancelable<PerNs<DefId>> { 128 ) -> Cancelable<PerNs<DefId>> {
133 let mut curr_per_ns = PerNs::types( 129 let mut curr_per_ns = PerNs::types(
134 match path.kind { 130 match path.kind {
135 PathKind::Crate => self.crate_root(db)?, 131 PathKind::Crate => self.crate_root(db),
136 PathKind::Self_ | PathKind::Plain => self.clone(), 132 PathKind::Self_ | PathKind::Plain => self.clone(),
137 PathKind::Super => { 133 PathKind::Super => {
138 if let Some(p) = self.parent(db)? { 134 if let Some(p) = self.parent(db) {
139 p 135 p
140 } else { 136 } else {
141 return Ok(PerNs::none()); 137 return Ok(PerNs::none());