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-rw-r--r--crates/ra_hir/src/code_model_impl.rs196
1 files changed, 2 insertions, 194 deletions
diff --git a/crates/ra_hir/src/code_model_impl.rs b/crates/ra_hir/src/code_model_impl.rs
index 4f4b506dd..d602a439d 100644
--- a/crates/ra_hir/src/code_model_impl.rs
+++ b/crates/ra_hir/src/code_model_impl.rs
@@ -1,194 +1,2 @@
1use ra_db::{CrateId, Cancelable, SourceRootId, FileId}; 1mod krate; // `crate` is invalid ident :(
2use ra_syntax::{ast, SyntaxNode, AstNode}; 2pub(crate) mod module;
3
4use crate::{
5 HirFileId, Crate, CrateDependency, AsName, DefId, DefLoc, DefKind, Name, Path, PathKind, PerNs, Def, ModuleId,
6 module::{ModuleScope, Problem},
7 db::HirDatabase,
8};
9
10use crate::code_model_api::{Module, ModuleSource};
11
12impl Crate {
13 pub(crate) fn new(crate_id: CrateId) -> Crate {
14 Crate { crate_id }
15 }
16 pub(crate) fn dependencies_impl(&self, db: &impl HirDatabase) -> Vec<CrateDependency> {
17 let crate_graph = db.crate_graph();
18 crate_graph
19 .dependencies(self.crate_id)
20 .map(|dep| {
21 let krate = Crate::new(dep.crate_id());
22 let name = dep.as_name();
23 CrateDependency { krate, name }
24 })
25 .collect()
26 }
27 pub(crate) fn root_module_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
28 let crate_graph = db.crate_graph();
29 let file_id = crate_graph.crate_root(self.crate_id);
30 let source_root_id = db.file_source_root(file_id);
31 let file_id = HirFileId::from(file_id);
32 let module_tree = db.module_tree(source_root_id)?;
33 // FIXME: teach module tree about crate roots instead of guessing
34 let (module_id, _) = ctry!(module_tree
35 .modules_with_sources()
36 .find(|(_, src)| src.file_id() == file_id));
37
38 let def_loc = DefLoc {
39 kind: DefKind::Module,
40 source_root_id,
41 module_id,
42 source_item_id: module_id.source(&module_tree).0,
43 };
44 let def_id = def_loc.id(db);
45
46 let module = Module::new(def_id);
47 Ok(Some(module))
48 }
49}
50
51impl Module {
52 pub(crate) fn new(def_id: DefId) -> Self {
53 crate::code_model_api::Module { def_id }
54 }
55 pub(crate) fn from_module_id(
56 db: &impl HirDatabase,
57 source_root_id: SourceRootId,
58 module_id: ModuleId,
59 ) -> Cancelable<Self> {
60 let module_tree = db.module_tree(source_root_id)?;
61 let def_loc = DefLoc {
62 kind: DefKind::Module,
63 source_root_id,
64 module_id,
65 source_item_id: module_id.source(&module_tree).0,
66 };
67 let def_id = def_loc.id(db);
68 let module = Module::new(def_id);
69 Ok(module)
70 }
71
72 pub(crate) fn name_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Name>> {
73 let loc = self.def_id.loc(db);
74 let module_tree = db.module_tree(loc.source_root_id)?;
75 let link = ctry!(loc.module_id.parent_link(&module_tree));
76 Ok(Some(link.name(&module_tree).clone()))
77 }
78
79 pub fn defenition_source_impl(
80 &self,
81 db: &impl HirDatabase,
82 ) -> Cancelable<(FileId, ModuleSource)> {
83 let loc = self.def_id.loc(db);
84 let file_id = loc.source_item_id.file_id.as_original_file();
85 let syntax_node = db.file_item(loc.source_item_id);
86 let syntax_node = syntax_node.borrowed();
87 let module_source = if let Some(source_file) = ast::SourceFile::cast(syntax_node) {
88 ModuleSource::SourceFile(source_file.owned())
89 } else {
90 let module = ast::Module::cast(syntax_node).unwrap();
91 ModuleSource::Module(module.owned())
92 };
93 Ok((file_id, module_source))
94 }
95
96 pub fn declaration_source_impl(
97 &self,
98 db: &impl HirDatabase,
99 ) -> Cancelable<Option<(FileId, ast::ModuleNode)>> {
100 let loc = self.def_id.loc(db);
101 let module_tree = db.module_tree(loc.source_root_id)?;
102 let link = ctry!(loc.module_id.parent_link(&module_tree));
103 let file_id = link
104 .owner(&module_tree)
105 .source(&module_tree)
106 .file_id()
107 .as_original_file();
108 let src = link.bind_source(&module_tree, db);
109 Ok(Some((file_id, src)))
110 }
111
112 pub(crate) fn krate_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Crate>> {
113 let root = self.crate_root(db)?;
114 let loc = root.def_id.loc(db);
115 let file_id = loc.source_item_id.file_id.as_original_file();
116
117 let crate_graph = db.crate_graph();
118 let crate_id = ctry!(crate_graph.crate_id_for_crate_root(file_id));
119 Ok(Some(Crate::new(crate_id)))
120 }
121
122 pub(crate) fn crate_root_impl(&self, db: &impl HirDatabase) -> Cancelable<Module> {
123 let loc = self.def_id.loc(db);
124 let module_tree = db.module_tree(loc.source_root_id)?;
125 let module_id = loc.module_id.crate_root(&module_tree);
126 Module::from_module_id(db, loc.source_root_id, module_id)
127 }
128 /// Finds a child module with the specified name.
129 pub fn child_impl(&self, db: &impl HirDatabase, name: &Name) -> Cancelable<Option<Module>> {
130 let loc = self.def_id.loc(db);
131 let module_tree = db.module_tree(loc.source_root_id)?;
132 let child_id = ctry!(loc.module_id.child(&module_tree, name));
133 Module::from_module_id(db, loc.source_root_id, child_id).map(Some)
134 }
135 pub fn parent_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
136 let loc = self.def_id.loc(db);
137 let module_tree = db.module_tree(loc.source_root_id)?;
138 let parent_id = ctry!(loc.module_id.parent(&module_tree));
139 Module::from_module_id(db, loc.source_root_id, parent_id).map(Some)
140 }
141 /// Returns a `ModuleScope`: a set of items, visible in this module.
142 pub fn scope_impl(&self, db: &impl HirDatabase) -> Cancelable<ModuleScope> {
143 let loc = self.def_id.loc(db);
144 let item_map = db.item_map(loc.source_root_id)?;
145 let res = item_map.per_module[&loc.module_id].clone();
146 Ok(res)
147 }
148 pub fn resolve_path_impl(
149 &self,
150 db: &impl HirDatabase,
151 path: &Path,
152 ) -> Cancelable<PerNs<DefId>> {
153 let mut curr_per_ns = PerNs::types(
154 match path.kind {
155 PathKind::Crate => self.crate_root(db)?,
156 PathKind::Self_ | PathKind::Plain => self.clone(),
157 PathKind::Super => {
158 if let Some(p) = self.parent(db)? {
159 p
160 } else {
161 return Ok(PerNs::none());
162 }
163 }
164 }
165 .def_id,
166 );
167
168 let segments = &path.segments;
169 for name in segments.iter() {
170 let curr = if let Some(r) = curr_per_ns.as_ref().take_types() {
171 r
172 } else {
173 return Ok(PerNs::none());
174 };
175 let module = match curr.resolve(db)? {
176 Def::Module(it) => it,
177 // TODO here would be the place to handle enum variants...
178 _ => return Ok(PerNs::none()),
179 };
180 let scope = module.scope(db)?;
181 curr_per_ns = if let Some(r) = scope.get(&name) {
182 r.def_id
183 } else {
184 return Ok(PerNs::none());
185 };
186 }
187 Ok(curr_per_ns)
188 }
189 pub fn problems_impl(&self, db: &impl HirDatabase) -> Cancelable<Vec<(SyntaxNode, Problem)>> {
190 let loc = self.def_id.loc(db);
191 let module_tree = db.module_tree(loc.source_root_id)?;
192 Ok(loc.module_id.problems(&module_tree, db))
193 }
194}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-14 13:32:40 +0100