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-rw-r--r--crates/ra_analysis/src/imp.rs9
-rw-r--r--crates/ra_analysis/src/lib.rs11
-rw-r--r--crates/ra_lsp_server/src/main_loop/handlers.rs2
3 files changed, 16 insertions, 6 deletions
diff --git a/crates/ra_analysis/src/imp.rs b/crates/ra_analysis/src/imp.rs
index a67b1717a..3a135ef13 100644
--- a/crates/ra_analysis/src/imp.rs
+++ b/crates/ra_analysis/src/imp.rs
@@ -20,7 +20,7 @@ use crate::{
20 descriptors::{FnDescriptor, ModuleTreeDescriptor, Problem}, 20 descriptors::{FnDescriptor, ModuleTreeDescriptor, Problem},
21 roots::{ReadonlySourceRoot, SourceRoot, WritableSourceRoot}, 21 roots::{ReadonlySourceRoot, SourceRoot, WritableSourceRoot},
22 CrateGraph, CrateId, Diagnostic, FileId, FileResolver, FileSystemEdit, JobToken, Position, 22 CrateGraph, CrateId, Diagnostic, FileId, FileResolver, FileSystemEdit, JobToken, Position,
23 Query, SourceChange, SourceFileEdit, 23 Query, SourceChange, SourceFileEdit, Cancelable,
24}; 24};
25 25
26#[derive(Clone, Debug)] 26#[derive(Clone, Debug)]
@@ -157,10 +157,10 @@ impl AnalysisImpl {
157 } 157 }
158 query.search(&buf, token) 158 query.search(&buf, token)
159 } 159 }
160 pub fn parent_module(&self, file_id: FileId) -> Vec<(FileId, FileSymbol)> { 160 pub fn parent_module(&self, file_id: FileId) -> Cancelable<Vec<(FileId, FileSymbol)>> {
161 let root = self.root(file_id); 161 let root = self.root(file_id);
162 let module_tree = root.module_tree(); 162 let module_tree = root.module_tree();
163 module_tree 163 let res = module_tree
164 .parent_modules(file_id) 164 .parent_modules(file_id)
165 .iter() 165 .iter()
166 .map(|link| { 166 .map(|link| {
@@ -174,7 +174,8 @@ impl AnalysisImpl {
174 }; 174 };
175 (file_id, sym) 175 (file_id, sym)
176 }) 176 })
177 .collect() 177 .collect();
178 Ok(res)
178 } 179 }
179 pub fn crate_for(&self, file_id: FileId) -> Vec<CrateId> { 180 pub fn crate_for(&self, file_id: FileId) -> Vec<CrateId> {
180 let module_tree = self.root(file_id).module_tree(); 181 let module_tree = self.root(file_id).module_tree();
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index b1d5c4936..988a45b46 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -42,6 +42,15 @@ pub struct Cancel;
42 42
43pub type Cancelable<T> = Result<T, Cancel>; 43pub type Cancelable<T> = Result<T, Cancel>;
44 44
45impl std::fmt::Display for Cancel {
46 fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
47 fmt.write_str("Canceled")
48 }
49}
50
51impl std::error::Error for Cancel {
52}
53
45#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] 54#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
46pub struct FileId(pub u32); 55pub struct FileId(pub u32);
47 56
@@ -225,7 +234,7 @@ impl Analysis {
225 pub fn find_all_refs(&self, file_id: FileId, offset: TextUnit, token: &JobToken) -> Vec<(FileId, TextRange)> { 234 pub fn find_all_refs(&self, file_id: FileId, offset: TextUnit, token: &JobToken) -> Vec<(FileId, TextRange)> {
226 self.imp.find_all_refs(file_id, offset, token) 235 self.imp.find_all_refs(file_id, offset, token)
227 } 236 }
228 pub fn parent_module(&self, file_id: FileId) -> Vec<(FileId, FileSymbol)> { 237 pub fn parent_module(&self, file_id: FileId) -> Cancelable<Vec<(FileId, FileSymbol)>> {
229 self.imp.parent_module(file_id) 238 self.imp.parent_module(file_id)
230 } 239 }
231 pub fn crate_for(&self, file_id: FileId) -> Vec<CrateId> { 240 pub fn crate_for(&self, file_id: FileId) -> Vec<CrateId> {
diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index 639fe4553..b0b983d0c 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -238,7 +238,7 @@ pub fn handle_parent_module(
238) -> Result<Vec<Location>> { 238) -> Result<Vec<Location>> {
239 let file_id = params.try_conv_with(&world)?; 239 let file_id = params.try_conv_with(&world)?;
240 let mut res = Vec::new(); 240 let mut res = Vec::new();
241 for (file_id, symbol) in world.analysis().parent_module(file_id) { 241 for (file_id, symbol) in world.analysis().parent_module(file_id)? {
242 let line_index = world.analysis().file_line_index(file_id); 242 let line_index = world.analysis().file_line_index(file_id);
243 let location = to_location(file_id, symbol.node_range, &world, &line_index)?; 243 let location = to_location(file_id, symbol.node_range, &world, &line_index)?;
244 res.push(location); 244 res.push(location);