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-rw-r--r--crates/assists/src/handlers/add_missing_impl_members.rs40
-rw-r--r--crates/assists/src/handlers/auto_import.rs21
-rw-r--r--crates/assists/src/handlers/expand_glob_import.rs30
-rw-r--r--crates/assists/src/handlers/extract_struct_from_enum_variant.rs31
-rw-r--r--crates/assists/src/handlers/merge_imports.rs175
-rw-r--r--crates/assists/src/handlers/remove_dbg.rs144
-rw-r--r--crates/assists/src/handlers/replace_impl_trait_with_generic.rs168
-rw-r--r--crates/assists/src/handlers/replace_qualified_name_with_use.rs58
8 files changed, 478 insertions, 189 deletions
diff --git a/crates/assists/src/handlers/add_missing_impl_members.rs b/crates/assists/src/handlers/add_missing_impl_members.rs
index 83a2ada9a..8df1d786b 100644
--- a/crates/assists/src/handlers/add_missing_impl_members.rs
+++ b/crates/assists/src/handlers/add_missing_impl_members.rs
@@ -111,8 +111,6 @@ fn add_missing_impl_members_inner(
111) -> Option<()> { 111) -> Option<()> {
112 let _p = profile::span("add_missing_impl_members_inner"); 112 let _p = profile::span("add_missing_impl_members_inner");
113 let impl_def = ctx.find_node_at_offset::<ast::Impl>()?; 113 let impl_def = ctx.find_node_at_offset::<ast::Impl>()?;
114 let impl_item_list = impl_def.assoc_item_list()?;
115
116 let trait_ = resolve_target_trait(&ctx.sema, &impl_def)?; 114 let trait_ = resolve_target_trait(&ctx.sema, &impl_def)?;
117 115
118 let def_name = |item: &ast::AssocItem| -> Option<SmolStr> { 116 let def_name = |item: &ast::AssocItem| -> Option<SmolStr> {
@@ -148,11 +146,14 @@ fn add_missing_impl_members_inner(
148 146
149 let target = impl_def.syntax().text_range(); 147 let target = impl_def.syntax().text_range();
150 acc.add(AssistId(assist_id, AssistKind::QuickFix), label, target, |builder| { 148 acc.add(AssistId(assist_id, AssistKind::QuickFix), label, target, |builder| {
149 let impl_item_list = impl_def.assoc_item_list().unwrap_or(make::assoc_item_list());
150
151 let n_existing_items = impl_item_list.assoc_items().count(); 151 let n_existing_items = impl_item_list.assoc_items().count();
152 let source_scope = ctx.sema.scope_for_def(trait_); 152 let source_scope = ctx.sema.scope_for_def(trait_);
153 let target_scope = ctx.sema.scope(impl_item_list.syntax()); 153 let target_scope = ctx.sema.scope(impl_def.syntax());
154 let ast_transform = QualifyPaths::new(&target_scope, &source_scope) 154 let ast_transform = QualifyPaths::new(&target_scope, &source_scope)
155 .or(SubstituteTypeParams::for_trait_impl(&source_scope, trait_, impl_def)); 155 .or(SubstituteTypeParams::for_trait_impl(&source_scope, trait_, impl_def.clone()));
156
156 let items = missing_items 157 let items = missing_items
157 .into_iter() 158 .into_iter()
158 .map(|it| ast_transform::apply(&*ast_transform, it)) 159 .map(|it| ast_transform::apply(&*ast_transform, it))
@@ -162,12 +163,14 @@ fn add_missing_impl_members_inner(
162 _ => it, 163 _ => it,
163 }) 164 })
164 .map(|it| edit::remove_attrs_and_docs(&it)); 165 .map(|it| edit::remove_attrs_and_docs(&it));
166
165 let new_impl_item_list = impl_item_list.append_items(items); 167 let new_impl_item_list = impl_item_list.append_items(items);
166 let first_new_item = new_impl_item_list.assoc_items().nth(n_existing_items).unwrap(); 168 let new_impl_def = impl_def.with_assoc_item_list(new_impl_item_list);
169 let first_new_item =
170 new_impl_def.assoc_item_list().unwrap().assoc_items().nth(n_existing_items).unwrap();
167 171
168 let original_range = impl_item_list.syntax().text_range();
169 match ctx.config.snippet_cap { 172 match ctx.config.snippet_cap {
170 None => builder.replace(original_range, new_impl_item_list.to_string()), 173 None => builder.replace(target, new_impl_def.to_string()),
171 Some(cap) => { 174 Some(cap) => {
172 let mut cursor = Cursor::Before(first_new_item.syntax()); 175 let mut cursor = Cursor::Before(first_new_item.syntax());
173 let placeholder; 176 let placeholder;
@@ -181,8 +184,8 @@ fn add_missing_impl_members_inner(
181 } 184 }
182 builder.replace_snippet( 185 builder.replace_snippet(
183 cap, 186 cap,
184 original_range, 187 target,
185 render_snippet(cap, new_impl_item_list.syntax(), cursor), 188 render_snippet(cap, new_impl_def.syntax(), cursor),
186 ) 189 )
187 } 190 }
188 }; 191 };
@@ -311,6 +314,25 @@ impl Foo for S {
311 } 314 }
312 315
313 #[test] 316 #[test]
317 fn test_impl_def_without_braces() {
318 check_assist(
319 add_missing_impl_members,
320 r#"
321trait Foo { fn foo(&self); }
322struct S;
323impl Foo for S<|>"#,
324 r#"
325trait Foo { fn foo(&self); }
326struct S;
327impl Foo for S {
328 fn foo(&self) {
329 ${0:todo!()}
330 }
331}"#,
332 );
333 }
334
335 #[test]
314 fn fill_in_type_params_1() { 336 fn fill_in_type_params_1() {
315 check_assist( 337 check_assist(
316 add_missing_impl_members, 338 add_missing_impl_members,
diff --git a/crates/assists/src/handlers/auto_import.rs b/crates/assists/src/handlers/auto_import.rs
index c4770f336..b5eb2c722 100644
--- a/crates/assists/src/handlers/auto_import.rs
+++ b/crates/assists/src/handlers/auto_import.rs
@@ -1,20 +1,20 @@
1use std::collections::BTreeSet; 1use std::collections::BTreeSet;
2 2
3use ast::make;
3use either::Either; 4use either::Either;
4use hir::{ 5use hir::{
5 AsAssocItem, AssocItemContainer, ModPath, Module, ModuleDef, PathResolution, Semantics, Trait, 6 AsAssocItem, AssocItemContainer, ModPath, Module, ModuleDef, PathResolution, Semantics, Trait,
6 Type, 7 Type,
7}; 8};
8use ide_db::{imports_locator, RootDatabase}; 9use ide_db::{imports_locator, RootDatabase};
10use insert_use::ImportScope;
9use rustc_hash::FxHashSet; 11use rustc_hash::FxHashSet;
10use syntax::{ 12use syntax::{
11 ast::{self, AstNode}, 13 ast::{self, AstNode},
12 SyntaxNode, 14 SyntaxNode,
13}; 15};
14 16
15use crate::{ 17use crate::{utils::insert_use, AssistContext, AssistId, AssistKind, Assists, GroupLabel};
16 utils::insert_use_statement, AssistContext, AssistId, AssistKind, Assists, GroupLabel,
17};
18 18
19// Assist: auto_import 19// Assist: auto_import
20// 20//
@@ -44,6 +44,9 @@ pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
44 44
45 let range = ctx.sema.original_range(&auto_import_assets.syntax_under_caret).range; 45 let range = ctx.sema.original_range(&auto_import_assets.syntax_under_caret).range;
46 let group = auto_import_assets.get_import_group_message(); 46 let group = auto_import_assets.get_import_group_message();
47 let scope =
48 ImportScope::find_insert_use_container(&auto_import_assets.syntax_under_caret, ctx)?;
49 let syntax = scope.as_syntax_node();
47 for import in proposed_imports { 50 for import in proposed_imports {
48 acc.add_group( 51 acc.add_group(
49 &group, 52 &group,
@@ -51,12 +54,12 @@ pub(crate) fn auto_import(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
51 format!("Import `{}`", &import), 54 format!("Import `{}`", &import),
52 range, 55 range,
53 |builder| { 56 |builder| {
54 insert_use_statement( 57 let new_syntax = insert_use(
55 &auto_import_assets.syntax_under_caret, 58 &scope,
56 &import.to_string(), 59 make::path_from_text(&import.to_string()),
57 ctx, 60 ctx.config.insert_use.merge,
58 builder.text_edit_builder(),
59 ); 61 );
62 builder.replace(syntax.text_range(), new_syntax.to_string())
60 }, 63 },
61 ); 64 );
62 } 65 }
@@ -358,7 +361,7 @@ mod tests {
358 } 361 }
359 ", 362 ",
360 r" 363 r"
361 use PubMod::{PubStruct2, PubStruct1}; 364 use PubMod::{PubStruct1, PubStruct2};
362 365
363 struct Test { 366 struct Test {
364 test: PubStruct2<u8>, 367 test: PubStruct2<u8>,
diff --git a/crates/assists/src/handlers/expand_glob_import.rs b/crates/assists/src/handlers/expand_glob_import.rs
index b39d040f6..e14ac7f65 100644
--- a/crates/assists/src/handlers/expand_glob_import.rs
+++ b/crates/assists/src/handlers/expand_glob_import.rs
@@ -4,7 +4,11 @@ use ide_db::{
4 defs::{classify_name_ref, Definition, NameRefClass}, 4 defs::{classify_name_ref, Definition, NameRefClass},
5 search::SearchScope, 5 search::SearchScope,
6}; 6};
7use syntax::{algo, ast, AstNode, Direction, SyntaxNode, SyntaxToken, T}; 7use syntax::{
8 algo,
9 ast::{self, make},
10 AstNode, Direction, SyntaxNode, SyntaxToken, T,
11};
8 12
9use crate::{ 13use crate::{
10 assist_context::{AssistBuilder, AssistContext, Assists}, 14 assist_context::{AssistBuilder, AssistContext, Assists},
@@ -249,7 +253,10 @@ fn replace_ast(
249 253
250 let new_use_trees: Vec<ast::UseTree> = names_to_import 254 let new_use_trees: Vec<ast::UseTree> = names_to_import
251 .iter() 255 .iter()
252 .map(|n| ast::make::use_tree(ast::make::path_from_text(&n.to_string()), None, None, false)) 256 .map(|n| {
257 let path = make::path_unqualified(make::path_segment(make::name_ref(&n.to_string())));
258 make::use_tree(path, None, None, false)
259 })
253 .collect(); 260 .collect();
254 261
255 let use_trees = [&existing_use_trees[..], &new_use_trees[..]].concat(); 262 let use_trees = [&existing_use_trees[..], &new_use_trees[..]].concat();
@@ -257,8 +264,8 @@ fn replace_ast(
257 match use_trees.as_slice() { 264 match use_trees.as_slice() {
258 [name] => { 265 [name] => {
259 if let Some(end_path) = name.path() { 266 if let Some(end_path) = name.path() {
260 let replacement = ast::make::use_tree( 267 let replacement = make::use_tree(
261 ast::make::path_from_text(&format!("{}::{}", path, end_path)), 268 make::path_from_text(&format!("{}::{}", path, end_path)),
262 None, 269 None,
263 None, 270 None,
264 false, 271 false,
@@ -273,15 +280,12 @@ fn replace_ast(
273 } 280 }
274 names => { 281 names => {
275 let replacement = match parent { 282 let replacement = match parent {
276 Either::Left(_) => ast::make::use_tree( 283 Either::Left(_) => {
277 path, 284 make::use_tree(path, Some(make::use_tree_list(names.to_owned())), None, false)
278 Some(ast::make::use_tree_list(names.to_owned())), 285 .syntax()
279 None, 286 .clone()
280 false, 287 }
281 ) 288 Either::Right(_) => make::use_tree_list(names.to_owned()).syntax().clone(),
282 .syntax()
283 .clone(),
284 Either::Right(_) => ast::make::use_tree_list(names.to_owned()).syntax().clone(),
285 }; 289 };
286 290
287 algo::diff( 291 algo::diff(
diff --git a/crates/assists/src/handlers/extract_struct_from_enum_variant.rs b/crates/assists/src/handlers/extract_struct_from_enum_variant.rs
index 8ac20210a..3ea50f375 100644
--- a/crates/assists/src/handlers/extract_struct_from_enum_variant.rs
+++ b/crates/assists/src/handlers/extract_struct_from_enum_variant.rs
@@ -10,9 +10,10 @@ use syntax::{
10}; 10};
11 11
12use crate::{ 12use crate::{
13 assist_context::AssistBuilder, utils::insert_use_statement, AssistContext, AssistId, 13 assist_context::AssistBuilder, utils::insert_use, AssistContext, AssistId, AssistKind, Assists,
14 AssistKind, Assists,
15}; 14};
15use ast::make;
16use insert_use::ImportScope;
16 17
17// Assist: extract_struct_from_enum_variant 18// Assist: extract_struct_from_enum_variant
18// 19//
@@ -94,6 +95,7 @@ fn existing_struct_def(db: &RootDatabase, variant_name: &str, variant: &EnumVari
94 .any(|(name, _)| name.to_string() == variant_name.to_string()) 95 .any(|(name, _)| name.to_string() == variant_name.to_string())
95} 96}
96 97
98#[allow(dead_code)]
97fn insert_import( 99fn insert_import(
98 ctx: &AssistContext, 100 ctx: &AssistContext,
99 builder: &mut AssistBuilder, 101 builder: &mut AssistBuilder,
@@ -107,12 +109,16 @@ fn insert_import(
107 if let Some(mut mod_path) = mod_path { 109 if let Some(mut mod_path) = mod_path {
108 mod_path.segments.pop(); 110 mod_path.segments.pop();
109 mod_path.segments.push(variant_hir_name.clone()); 111 mod_path.segments.push(variant_hir_name.clone());
110 insert_use_statement( 112 let scope = ImportScope::find_insert_use_container(path.syntax(), ctx)?;
111 path.syntax(), 113 let syntax = scope.as_syntax_node();
112 &mod_path.to_string(), 114
113 ctx, 115 let new_syntax = insert_use(
114 builder.text_edit_builder(), 116 &scope,
117 make::path_from_text(&mod_path.to_string()),
118 ctx.config.insert_use.merge,
115 ); 119 );
120 // FIXME: this will currently panic as multiple imports will have overlapping text ranges
121 builder.replace(syntax.text_range(), new_syntax.to_string())
116 } 122 }
117 Some(()) 123 Some(())
118} 124}
@@ -167,9 +173,9 @@ fn update_reference(
167 builder: &mut AssistBuilder, 173 builder: &mut AssistBuilder,
168 reference: Reference, 174 reference: Reference,
169 source_file: &SourceFile, 175 source_file: &SourceFile,
170 enum_module_def: &ModuleDef, 176 _enum_module_def: &ModuleDef,
171 variant_hir_name: &Name, 177 _variant_hir_name: &Name,
172 visited_modules_set: &mut FxHashSet<Module>, 178 _visited_modules_set: &mut FxHashSet<Module>,
173) -> Option<()> { 179) -> Option<()> {
174 let path_expr: ast::PathExpr = find_node_at_offset::<ast::PathExpr>( 180 let path_expr: ast::PathExpr = find_node_at_offset::<ast::PathExpr>(
175 source_file.syntax(), 181 source_file.syntax(),
@@ -178,13 +184,14 @@ fn update_reference(
178 let call = path_expr.syntax().parent().and_then(ast::CallExpr::cast)?; 184 let call = path_expr.syntax().parent().and_then(ast::CallExpr::cast)?;
179 let list = call.arg_list()?; 185 let list = call.arg_list()?;
180 let segment = path_expr.path()?.segment()?; 186 let segment = path_expr.path()?.segment()?;
181 let module = ctx.sema.scope(&path_expr.syntax()).module()?; 187 let _module = ctx.sema.scope(&path_expr.syntax()).module()?;
182 let list_range = list.syntax().text_range(); 188 let list_range = list.syntax().text_range();
183 let inside_list_range = TextRange::new( 189 let inside_list_range = TextRange::new(
184 list_range.start().checked_add(TextSize::from(1))?, 190 list_range.start().checked_add(TextSize::from(1))?,
185 list_range.end().checked_sub(TextSize::from(1))?, 191 list_range.end().checked_sub(TextSize::from(1))?,
186 ); 192 );
187 builder.edit_file(reference.file_range.file_id); 193 builder.edit_file(reference.file_range.file_id);
194 /* FIXME: this most likely requires AST-based editing, see `insert_import`
188 if !visited_modules_set.contains(&module) { 195 if !visited_modules_set.contains(&module) {
189 if insert_import(ctx, builder, &path_expr, &module, enum_module_def, variant_hir_name) 196 if insert_import(ctx, builder, &path_expr, &module, enum_module_def, variant_hir_name)
190 .is_some() 197 .is_some()
@@ -192,6 +199,7 @@ fn update_reference(
192 visited_modules_set.insert(module); 199 visited_modules_set.insert(module);
193 } 200 }
194 } 201 }
202 */
195 builder.replace(inside_list_range, format!("{}{}", segment, list)); 203 builder.replace(inside_list_range, format!("{}{}", segment, list));
196 Some(()) 204 Some(())
197} 205}
@@ -250,6 +258,7 @@ pub enum A { One(One) }"#,
250 } 258 }
251 259
252 #[test] 260 #[test]
261 #[ignore] // FIXME: this currently panics if `insert_import` is used
253 fn test_extract_struct_with_complex_imports() { 262 fn test_extract_struct_with_complex_imports() {
254 check_assist( 263 check_assist(
255 extract_struct_from_enum_variant, 264 extract_struct_from_enum_variant,
diff --git a/crates/assists/src/handlers/merge_imports.rs b/crates/assists/src/handlers/merge_imports.rs
index 35b884206..fe33cee53 100644
--- a/crates/assists/src/handlers/merge_imports.rs
+++ b/crates/assists/src/handlers/merge_imports.rs
@@ -1,14 +1,14 @@
1use std::iter::successors;
2
3use syntax::{ 1use syntax::{
4 algo::{neighbor, skip_trivia_token, SyntaxRewriter}, 2 algo::{neighbor, SyntaxRewriter},
5 ast::{self, edit::AstNodeEdit, make}, 3 ast, AstNode,
6 AstNode, Direction, InsertPosition, SyntaxElement, T,
7}; 4};
8 5
9use crate::{ 6use crate::{
10 assist_context::{AssistContext, Assists}, 7 assist_context::{AssistContext, Assists},
11 utils::next_prev, 8 utils::{
9 insert_use::{try_merge_imports, try_merge_trees},
10 next_prev, MergeBehaviour,
11 },
12 AssistId, AssistKind, 12 AssistId, AssistKind,
13}; 13};
14 14
@@ -30,23 +30,22 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext) -> Option<()
30 let mut offset = ctx.offset(); 30 let mut offset = ctx.offset();
31 31
32 if let Some(use_item) = tree.syntax().parent().and_then(ast::Use::cast) { 32 if let Some(use_item) = tree.syntax().parent().and_then(ast::Use::cast) {
33 let (merged, to_delete) = next_prev() 33 let (merged, to_delete) =
34 .filter_map(|dir| neighbor(&use_item, dir)) 34 next_prev().filter_map(|dir| neighbor(&use_item, dir)).find_map(|use_item2| {
35 .filter_map(|it| Some((it.clone(), it.use_tree()?))) 35 try_merge_imports(&use_item, &use_item2, MergeBehaviour::Full).zip(Some(use_item2))
36 .find_map(|(use_item, use_tree)| {
37 Some((try_merge_trees(&tree, &use_tree)?, use_item))
38 })?; 36 })?;
39 37
40 rewriter.replace_ast(&tree, &merged); 38 rewriter.replace_ast(&use_item, &merged);
41 rewriter += to_delete.remove(); 39 rewriter += to_delete.remove();
42 40
43 if to_delete.syntax().text_range().end() < offset { 41 if to_delete.syntax().text_range().end() < offset {
44 offset -= to_delete.syntax().text_range().len(); 42 offset -= to_delete.syntax().text_range().len();
45 } 43 }
46 } else { 44 } else {
47 let (merged, to_delete) = next_prev() 45 let (merged, to_delete) =
48 .filter_map(|dir| neighbor(&tree, dir)) 46 next_prev().filter_map(|dir| neighbor(&tree, dir)).find_map(|use_tree| {
49 .find_map(|use_tree| Some((try_merge_trees(&tree, &use_tree)?, use_tree.clone())))?; 47 try_merge_trees(&tree, &use_tree, MergeBehaviour::Full).zip(Some(use_tree))
48 })?;
50 49
51 rewriter.replace_ast(&tree, &merged); 50 rewriter.replace_ast(&tree, &merged);
52 rewriter += to_delete.remove(); 51 rewriter += to_delete.remove();
@@ -67,66 +66,6 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext) -> Option<()
67 ) 66 )
68} 67}
69 68
70fn try_merge_trees(old: &ast::UseTree, new: &ast::UseTree) -> Option<ast::UseTree> {
71 let lhs_path = old.path()?;
72 let rhs_path = new.path()?;
73
74 let (lhs_prefix, rhs_prefix) = common_prefix(&lhs_path, &rhs_path)?;
75
76 let lhs = old.split_prefix(&lhs_prefix);
77 let rhs = new.split_prefix(&rhs_prefix);
78
79 let should_insert_comma = lhs
80 .use_tree_list()?
81 .r_curly_token()
82 .and_then(|it| skip_trivia_token(it.prev_token()?, Direction::Prev))
83 .map(|it| it.kind() != T![,])
84 .unwrap_or(true);
85
86 let mut to_insert: Vec<SyntaxElement> = Vec::new();
87 if should_insert_comma {
88 to_insert.push(make::token(T![,]).into());
89 to_insert.push(make::tokens::single_space().into());
90 }
91 to_insert.extend(
92 rhs.use_tree_list()?
93 .syntax()
94 .children_with_tokens()
95 .filter(|it| it.kind() != T!['{'] && it.kind() != T!['}']),
96 );
97 let use_tree_list = lhs.use_tree_list()?;
98 let pos = InsertPosition::Before(use_tree_list.r_curly_token()?.into());
99 let use_tree_list = use_tree_list.insert_children(pos, to_insert);
100 Some(lhs.with_use_tree_list(use_tree_list))
101}
102
103fn common_prefix(lhs: &ast::Path, rhs: &ast::Path) -> Option<(ast::Path, ast::Path)> {
104 let mut res = None;
105 let mut lhs_curr = first_path(&lhs);
106 let mut rhs_curr = first_path(&rhs);
107 loop {
108 match (lhs_curr.segment(), rhs_curr.segment()) {
109 (Some(lhs), Some(rhs)) if lhs.syntax().text() == rhs.syntax().text() => (),
110 _ => break,
111 }
112 res = Some((lhs_curr.clone(), rhs_curr.clone()));
113
114 match (lhs_curr.parent_path(), rhs_curr.parent_path()) {
115 (Some(lhs), Some(rhs)) => {
116 lhs_curr = lhs;
117 rhs_curr = rhs;
118 }
119 _ => break,
120 }
121 }
122
123 res
124}
125
126fn first_path(path: &ast::Path) -> ast::Path {
127 successors(Some(path.clone()), |it| it.qualifier()).last().unwrap()
128}
129
130#[cfg(test)] 69#[cfg(test)]
131mod tests { 70mod tests {
132 use crate::tests::{check_assist, check_assist_not_applicable}; 71 use crate::tests::{check_assist, check_assist_not_applicable};
@@ -156,7 +95,7 @@ use std::fmt::Debug;
156use std::fmt<|>::Display; 95use std::fmt<|>::Display;
157", 96",
158 r" 97 r"
159use std::fmt::{Display, Debug}; 98use std::fmt::{Debug, Display};
160", 99",
161 ); 100 );
162 } 101 }
@@ -183,12 +122,84 @@ use std::fmt::{self, Display};
183use std::{fmt, <|>fmt::Display}; 122use std::{fmt, <|>fmt::Display};
184", 123",
185 r" 124 r"
186use std::{fmt::{Display, self}}; 125use std::{fmt::{self, Display}};
187", 126",
188 ); 127 );
189 } 128 }
190 129
191 #[test] 130 #[test]
131 fn skip_pub1() {
132 check_assist_not_applicable(
133 merge_imports,
134 r"
135pub use std::fmt<|>::Debug;
136use std::fmt::Display;
137",
138 );
139 }
140
141 #[test]
142 fn skip_pub_last() {
143 check_assist_not_applicable(
144 merge_imports,
145 r"
146use std::fmt<|>::Debug;
147pub use std::fmt::Display;
148",
149 );
150 }
151
152 #[test]
153 fn skip_pub_crate_pub() {
154 check_assist_not_applicable(
155 merge_imports,
156 r"
157pub(crate) use std::fmt<|>::Debug;
158pub use std::fmt::Display;
159",
160 );
161 }
162
163 #[test]
164 fn skip_pub_pub_crate() {
165 check_assist_not_applicable(
166 merge_imports,
167 r"
168pub use std::fmt<|>::Debug;
169pub(crate) use std::fmt::Display;
170",
171 );
172 }
173
174 #[test]
175 fn merge_pub() {
176 check_assist(
177 merge_imports,
178 r"
179pub use std::fmt<|>::Debug;
180pub use std::fmt::Display;
181",
182 r"
183pub use std::fmt::{Debug, Display};
184",
185 )
186 }
187
188 #[test]
189 fn merge_pub_crate() {
190 check_assist(
191 merge_imports,
192 r"
193pub(crate) use std::fmt<|>::Debug;
194pub(crate) use std::fmt::Display;
195",
196 r"
197pub(crate) use std::fmt::{Debug, Display};
198",
199 )
200 }
201
202 #[test]
192 fn test_merge_nested() { 203 fn test_merge_nested() {
193 check_assist( 204 check_assist(
194 merge_imports, 205 merge_imports,
@@ -199,13 +210,17 @@ use std::{fmt<|>::Debug, fmt::Display};
199use std::{fmt::{Debug, Display}}; 210use std::{fmt::{Debug, Display}};
200", 211",
201 ); 212 );
213 }
214
215 #[test]
216 fn test_merge_nested2() {
202 check_assist( 217 check_assist(
203 merge_imports, 218 merge_imports,
204 r" 219 r"
205use std::{fmt::Debug, fmt<|>::Display}; 220use std::{fmt::Debug, fmt<|>::Display};
206", 221",
207 r" 222 r"
208use std::{fmt::{Display, Debug}}; 223use std::{fmt::{Debug, Display}};
209", 224",
210 ); 225 );
211 } 226 }
@@ -299,9 +314,7 @@ use foo::<|>{
299}; 314};
300", 315",
301 r" 316 r"
302use foo::{ 317use foo::{FooBar, bar::baz};
303 FooBar,
304bar::baz};
305", 318",
306 ) 319 )
307 } 320 }
diff --git a/crates/assists/src/handlers/remove_dbg.rs b/crates/assists/src/handlers/remove_dbg.rs
index 4e252edf0..a8ab2aecc 100644
--- a/crates/assists/src/handlers/remove_dbg.rs
+++ b/crates/assists/src/handlers/remove_dbg.rs
@@ -1,6 +1,6 @@
1use syntax::{ 1use syntax::{
2 ast::{self, AstNode}, 2 ast::{self, AstNode},
3 TextRange, TextSize, T, 3 SyntaxElement, TextRange, TextSize, T,
4}; 4};
5 5
6use crate::{AssistContext, AssistId, AssistKind, Assists}; 6use crate::{AssistContext, AssistId, AssistKind, Assists};
@@ -22,62 +22,108 @@ use crate::{AssistContext, AssistId, AssistKind, Assists};
22// ``` 22// ```
23pub(crate) fn remove_dbg(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { 23pub(crate) fn remove_dbg(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
24 let macro_call = ctx.find_node_at_offset::<ast::MacroCall>()?; 24 let macro_call = ctx.find_node_at_offset::<ast::MacroCall>()?;
25 let new_contents = adjusted_macro_contents(&macro_call)?;
25 26
26 if !is_valid_macrocall(&macro_call, "dbg")? { 27 let macro_text_range = macro_call.syntax().text_range();
27 return None;
28 }
29
30 let is_leaf = macro_call.syntax().next_sibling().is_none();
31
32 let macro_end = if macro_call.semicolon_token().is_some() { 28 let macro_end = if macro_call.semicolon_token().is_some() {
33 macro_call.syntax().text_range().end() - TextSize::of(';') 29 macro_text_range.end() - TextSize::of(';')
34 } else { 30 } else {
35 macro_call.syntax().text_range().end() 31 macro_text_range.end()
36 }; 32 };
37 33
38 // macro_range determines what will be deleted and replaced with macro_content 34 acc.add(
39 let macro_range = TextRange::new(macro_call.syntax().text_range().start(), macro_end); 35 AssistId("remove_dbg", AssistKind::Refactor),
40 let paste_instead_of_dbg = { 36 "Remove dbg!()",
41 let text = macro_call.token_tree()?.syntax().text(); 37 macro_text_range,
42 38 |builder| {
43 // leafiness determines if we should include the parenthesis or not 39 builder.replace(TextRange::new(macro_text_range.start(), macro_end), new_contents);
44 let slice_index: TextRange = if is_leaf { 40 },
45 // leaf means - we can extract the contents of the dbg! in text 41 )
46 TextRange::new(TextSize::of('('), text.len() - TextSize::of(')')) 42}
47 } else {
48 // not leaf - means we should keep the parens
49 TextRange::up_to(text.len())
50 };
51 text.slice(slice_index).to_string()
52 };
53 43
54 let target = macro_call.syntax().text_range(); 44fn adjusted_macro_contents(macro_call: &ast::MacroCall) -> Option<String> {
55 acc.add(AssistId("remove_dbg", AssistKind::Refactor), "Remove dbg!()", target, |builder| { 45 let contents = get_valid_macrocall_contents(&macro_call, "dbg")?;
56 builder.replace(macro_range, paste_instead_of_dbg); 46 let macro_text_with_brackets = macro_call.token_tree()?.syntax().text();
47 let macro_text_in_brackets = macro_text_with_brackets.slice(TextRange::new(
48 TextSize::of('('),
49 macro_text_with_brackets.len() - TextSize::of(')'),
50 ));
51
52 let is_leaf = macro_call.syntax().next_sibling().is_none();
53 Some(if !is_leaf && needs_parentheses_around_macro_contents(contents) {
54 format!("({})", macro_text_in_brackets)
55 } else {
56 macro_text_in_brackets.to_string()
57 }) 57 })
58} 58}
59 59
60/// Verifies that the given macro_call actually matches the given name 60/// Verifies that the given macro_call actually matches the given name
61/// and contains proper ending tokens 61/// and contains proper ending tokens, then returns the contents between the ending tokens
62fn is_valid_macrocall(macro_call: &ast::MacroCall, macro_name: &str) -> Option<bool> { 62fn get_valid_macrocall_contents(
63 macro_call: &ast::MacroCall,
64 macro_name: &str,
65) -> Option<Vec<SyntaxElement>> {
63 let path = macro_call.path()?; 66 let path = macro_call.path()?;
64 let name_ref = path.segment()?.name_ref()?; 67 let name_ref = path.segment()?.name_ref()?;
65 68
66 // Make sure it is actually a dbg-macro call, dbg followed by ! 69 // Make sure it is actually a dbg-macro call, dbg followed by !
67 let excl = path.syntax().next_sibling_or_token()?; 70 let excl = path.syntax().next_sibling_or_token()?;
68
69 if name_ref.text() != macro_name || excl.kind() != T![!] { 71 if name_ref.text() != macro_name || excl.kind() != T![!] {
70 return None; 72 return None;
71 } 73 }
72 74
73 let node = macro_call.token_tree()?.syntax().clone(); 75 let mut children_with_tokens = macro_call.token_tree()?.syntax().children_with_tokens();
74 let first_child = node.first_child_or_token()?; 76 let first_child = children_with_tokens.next()?;
75 let last_child = node.last_child_or_token()?; 77 let mut contents_between_brackets = children_with_tokens.collect::<Vec<_>>();
78 let last_child = contents_between_brackets.pop()?;
79
80 if contents_between_brackets.is_empty() {
81 None
82 } else {
83 match (first_child.kind(), last_child.kind()) {
84 (T!['('], T![')']) | (T!['['], T![']']) | (T!['{'], T!['}']) => {
85 Some(contents_between_brackets)
86 }
87 _ => None,
88 }
89 }
90}
76 91
77 match (first_child.kind(), last_child.kind()) { 92fn needs_parentheses_around_macro_contents(macro_contents: Vec<SyntaxElement>) -> bool {
78 (T!['('], T![')']) | (T!['['], T![']']) | (T!['{'], T!['}']) => Some(true), 93 if macro_contents.len() < 2 {
79 _ => Some(false), 94 return false;
80 } 95 }
96 let mut unpaired_brackets_in_contents = Vec::new();
97 for element in macro_contents {
98 match element.kind() {
99 T!['('] | T!['['] | T!['{'] => unpaired_brackets_in_contents.push(element),
100 T![')'] => {
101 if !matches!(unpaired_brackets_in_contents.pop(), Some(correct_bracket) if correct_bracket.kind() == T!['('])
102 {
103 return true;
104 }
105 }
106 T![']'] => {
107 if !matches!(unpaired_brackets_in_contents.pop(), Some(correct_bracket) if correct_bracket.kind() == T!['['])
108 {
109 return true;
110 }
111 }
112 T!['}'] => {
113 if !matches!(unpaired_brackets_in_contents.pop(), Some(correct_bracket) if correct_bracket.kind() == T!['{'])
114 {
115 return true;
116 }
117 }
118 symbol_kind => {
119 let symbol_not_in_bracket = unpaired_brackets_in_contents.is_empty();
120 if symbol_not_in_bracket && symbol_kind.is_punct() {
121 return true;
122 }
123 }
124 }
125 }
126 !unpaired_brackets_in_contents.is_empty()
81} 127}
82 128
83#[cfg(test)] 129#[cfg(test)]
@@ -157,12 +203,38 @@ fn foo(n: usize) {
157 } 203 }
158 204
159 #[test] 205 #[test]
206 fn remove_dbg_from_non_leaf_simple_expression() {
207 check_assist(
208 remove_dbg,
209 "
210fn main() {
211 let mut a = 1;
212 while dbg!<|>(a) < 10000 {
213 a += 1;
214 }
215}
216",
217 "
218fn main() {
219 let mut a = 1;
220 while a < 10000 {
221 a += 1;
222 }
223}
224",
225 );
226 }
227
228 #[test]
160 fn test_remove_dbg_keep_expression() { 229 fn test_remove_dbg_keep_expression() {
161 check_assist( 230 check_assist(
162 remove_dbg, 231 remove_dbg,
163 r#"let res = <|>dbg!(a + b).foo();"#, 232 r#"let res = <|>dbg!(a + b).foo();"#,
164 r#"let res = (a + b).foo();"#, 233 r#"let res = (a + b).foo();"#,
165 ); 234 );
235
236 check_assist(remove_dbg, r#"let res = <|>dbg!(2 + 2) * 5"#, r#"let res = (2 + 2) * 5"#);
237 check_assist(remove_dbg, r#"let res = <|>dbg![2 + 2] * 5"#, r#"let res = (2 + 2) * 5"#);
166 } 238 }
167 239
168 #[test] 240 #[test]
diff --git a/crates/assists/src/handlers/replace_impl_trait_with_generic.rs b/crates/assists/src/handlers/replace_impl_trait_with_generic.rs
new file mode 100644
index 000000000..6738bc134
--- /dev/null
+++ b/crates/assists/src/handlers/replace_impl_trait_with_generic.rs
@@ -0,0 +1,168 @@
1use syntax::ast::{self, edit::AstNodeEdit, make, AstNode, GenericParamsOwner};
2
3use crate::{AssistContext, AssistId, AssistKind, Assists};
4
5// Assist: replace_impl_trait_with_generic
6//
7// Replaces `impl Trait` function argument with the named generic.
8//
9// ```
10// fn foo(bar: <|>impl Bar) {}
11// ```
12// ->
13// ```
14// fn foo<B: Bar>(bar: B) {}
15// ```
16pub(crate) fn replace_impl_trait_with_generic(
17 acc: &mut Assists,
18 ctx: &AssistContext,
19) -> Option<()> {
20 let type_impl_trait = ctx.find_node_at_offset::<ast::ImplTraitType>()?;
21 let type_param = type_impl_trait.syntax().parent().and_then(ast::Param::cast)?;
22 let type_fn = type_param.syntax().ancestors().find_map(ast::Fn::cast)?;
23
24 let impl_trait_ty = type_impl_trait.type_bound_list()?;
25
26 let target = type_fn.syntax().text_range();
27 acc.add(
28 AssistId("replace_impl_trait_with_generic", AssistKind::RefactorRewrite),
29 "Replace impl trait with generic",
30 target,
31 |edit| {
32 let generic_letter = impl_trait_ty.to_string().chars().next().unwrap().to_string();
33
34 let generic_param_list = type_fn
35 .generic_param_list()
36 .unwrap_or_else(|| make::generic_param_list(None))
37 .append_param(make::generic_param(generic_letter.clone(), Some(impl_trait_ty)));
38
39 let new_type_fn = type_fn
40 .replace_descendant::<ast::Type>(type_impl_trait.into(), make::ty(&generic_letter))
41 .with_generic_param_list(generic_param_list);
42
43 edit.replace_ast(type_fn.clone(), new_type_fn);
44 },
45 )
46}
47
48#[cfg(test)]
49mod tests {
50 use super::*;
51
52 use crate::tests::check_assist;
53
54 #[test]
55 fn replace_impl_trait_with_generic_params() {
56 check_assist(
57 replace_impl_trait_with_generic,
58 r#"
59 fn foo<G>(bar: <|>impl Bar) {}
60 "#,
61 r#"
62 fn foo<G, B: Bar>(bar: B) {}
63 "#,
64 );
65 }
66
67 #[test]
68 fn replace_impl_trait_without_generic_params() {
69 check_assist(
70 replace_impl_trait_with_generic,
71 r#"
72 fn foo(bar: <|>impl Bar) {}
73 "#,
74 r#"
75 fn foo<B: Bar>(bar: B) {}
76 "#,
77 );
78 }
79
80 #[test]
81 fn replace_two_impl_trait_with_generic_params() {
82 check_assist(
83 replace_impl_trait_with_generic,
84 r#"
85 fn foo<G>(foo: impl Foo, bar: <|>impl Bar) {}
86 "#,
87 r#"
88 fn foo<G, B: Bar>(foo: impl Foo, bar: B) {}
89 "#,
90 );
91 }
92
93 #[test]
94 fn replace_impl_trait_with_empty_generic_params() {
95 check_assist(
96 replace_impl_trait_with_generic,
97 r#"
98 fn foo<>(bar: <|>impl Bar) {}
99 "#,
100 r#"
101 fn foo<B: Bar>(bar: B) {}
102 "#,
103 );
104 }
105
106 #[test]
107 fn replace_impl_trait_with_empty_multiline_generic_params() {
108 check_assist(
109 replace_impl_trait_with_generic,
110 r#"
111 fn foo<
112 >(bar: <|>impl Bar) {}
113 "#,
114 r#"
115 fn foo<B: Bar
116 >(bar: B) {}
117 "#,
118 );
119 }
120
121 #[test]
122 #[ignore = "This case is very rare but there is no simple solutions to fix it."]
123 fn replace_impl_trait_with_exist_generic_letter() {
124 check_assist(
125 replace_impl_trait_with_generic,
126 r#"
127 fn foo<B>(bar: <|>impl Bar) {}
128 "#,
129 r#"
130 fn foo<B, C: Bar>(bar: C) {}
131 "#,
132 );
133 }
134
135 #[test]
136 fn replace_impl_trait_with_multiline_generic_params() {
137 check_assist(
138 replace_impl_trait_with_generic,
139 r#"
140 fn foo<
141 G: Foo,
142 F,
143 H,
144 >(bar: <|>impl Bar) {}
145 "#,
146 r#"
147 fn foo<
148 G: Foo,
149 F,
150 H, B: Bar
151 >(bar: B) {}
152 "#,
153 );
154 }
155
156 #[test]
157 fn replace_impl_trait_multiple() {
158 check_assist(
159 replace_impl_trait_with_generic,
160 r#"
161 fn foo(bar: <|>impl Foo + Bar) {}
162 "#,
163 r#"
164 fn foo<F: Foo + Bar>(bar: F) {}
165 "#,
166 );
167 }
168}
diff --git a/crates/assists/src/handlers/replace_qualified_name_with_use.rs b/crates/assists/src/handlers/replace_qualified_name_with_use.rs
index 470e5f8ff..8ac907707 100644
--- a/crates/assists/src/handlers/replace_qualified_name_with_use.rs
+++ b/crates/assists/src/handlers/replace_qualified_name_with_use.rs
@@ -2,9 +2,10 @@ use syntax::{algo::SyntaxRewriter, ast, match_ast, AstNode, SyntaxNode, TextRang
2use test_utils::mark; 2use test_utils::mark;
3 3
4use crate::{ 4use crate::{
5 utils::{find_insert_use_container, insert_use_statement}, 5 utils::{insert_use, ImportScope},
6 AssistContext, AssistId, AssistKind, Assists, 6 AssistContext, AssistId, AssistKind, Assists,
7}; 7};
8use ast::make;
8 9
9// Assist: replace_qualified_name_with_use 10// Assist: replace_qualified_name_with_use
10// 11//
@@ -32,7 +33,7 @@ pub(crate) fn replace_qualified_name_with_use(
32 mark::hit!(dont_import_trivial_paths); 33 mark::hit!(dont_import_trivial_paths);
33 return None; 34 return None;
34 } 35 }
35 let path_to_import = path.to_string().clone(); 36 let path_to_import = path.to_string();
36 let path_to_import = match path.segment()?.generic_arg_list() { 37 let path_to_import = match path.segment()?.generic_arg_list() {
37 Some(generic_args) => { 38 Some(generic_args) => {
38 let generic_args_start = 39 let generic_args_start =
@@ -43,28 +44,26 @@ pub(crate) fn replace_qualified_name_with_use(
43 }; 44 };
44 45
45 let target = path.syntax().text_range(); 46 let target = path.syntax().text_range();
47 let scope = ImportScope::find_insert_use_container(path.syntax(), ctx)?;
48 let syntax = scope.as_syntax_node();
46 acc.add( 49 acc.add(
47 AssistId("replace_qualified_name_with_use", AssistKind::RefactorRewrite), 50 AssistId("replace_qualified_name_with_use", AssistKind::RefactorRewrite),
48 "Replace qualified path with use", 51 "Replace qualified path with use",
49 target, 52 target,
50 |builder| { 53 |builder| {
51 let container = match find_insert_use_container(path.syntax(), ctx) {
52 Some(c) => c,
53 None => return,
54 };
55 insert_use_statement(
56 path.syntax(),
57 &path_to_import.to_string(),
58 ctx,
59 builder.text_edit_builder(),
60 );
61
62 // Now that we've brought the name into scope, re-qualify all paths that could be 54 // Now that we've brought the name into scope, re-qualify all paths that could be
63 // affected (that is, all paths inside the node we added the `use` to). 55 // affected (that is, all paths inside the node we added the `use` to).
64 let mut rewriter = SyntaxRewriter::default(); 56 let mut rewriter = SyntaxRewriter::default();
65 let syntax = container.either(|l| l.syntax().clone(), |r| r.syntax().clone()); 57 shorten_paths(&mut rewriter, syntax.clone(), path);
66 shorten_paths(&mut rewriter, syntax, path); 58 let rewritten_syntax = rewriter.rewrite(&syntax);
67 builder.rewrite(rewriter); 59 if let Some(ref import_scope) = ImportScope::from(rewritten_syntax) {
60 let new_syntax = insert_use(
61 import_scope,
62 make::path_from_text(path_to_import),
63 ctx.config.insert_use.merge,
64 );
65 builder.replace(syntax.text_range(), new_syntax.to_string())
66 }
68 }, 67 },
69 ) 68 )
70} 69}
@@ -220,9 +219,10 @@ impl std::fmt::Debug<|> for Foo {
220} 219}
221 ", 220 ",
222 r" 221 r"
223use stdx;
224use std::fmt::Debug; 222use std::fmt::Debug;
225 223
224use stdx;
225
226impl Debug for Foo { 226impl Debug for Foo {
227} 227}
228 ", 228 ",
@@ -274,7 +274,7 @@ impl std::io<|> for Foo {
274} 274}
275 ", 275 ",
276 r" 276 r"
277use std::{io, fmt}; 277use std::{fmt, io};
278 278
279impl io for Foo { 279impl io for Foo {
280} 280}
@@ -293,7 +293,7 @@ impl std::fmt::Debug<|> for Foo {
293} 293}
294 ", 294 ",
295 r" 295 r"
296use std::fmt::{self, Debug, }; 296use std::fmt::{self, Debug};
297 297
298impl Debug for Foo { 298impl Debug for Foo {
299} 299}
@@ -331,7 +331,7 @@ impl std::fmt::nested<|> for Foo {
331} 331}
332", 332",
333 r" 333 r"
334use std::fmt::{Debug, nested::{Display, self}}; 334use std::fmt::{Debug, nested::{self, Display}};
335 335
336impl nested for Foo { 336impl nested for Foo {
337} 337}
@@ -369,7 +369,7 @@ impl std::fmt::nested::Debug<|> for Foo {
369} 369}
370", 370",
371 r" 371 r"
372use std::fmt::{Debug, nested::{Display, Debug}}; 372use std::fmt::{Debug, nested::{Debug, Display}};
373 373
374impl Debug for Foo { 374impl Debug for Foo {
375} 375}
@@ -388,7 +388,7 @@ impl std::fmt::nested::Display<|> for Foo {
388} 388}
389", 389",
390 r" 390 r"
391use std::fmt::{nested::Display, Debug}; 391use std::fmt::{Debug, nested::Display};
392 392
393impl Display for Foo { 393impl Display for Foo {
394} 394}
@@ -428,10 +428,7 @@ use crate::{
428fn foo() { crate::ty::lower<|>::trait_env() } 428fn foo() { crate::ty::lower<|>::trait_env() }
429", 429",
430 r" 430 r"
431use crate::{ 431use crate::{AssocItem, ty::{Substs, Ty, lower}};
432 ty::{Substs, Ty, lower},
433 AssocItem,
434};
435 432
436fn foo() { lower::trait_env() } 433fn foo() { lower::trait_env() }
437", 434",
@@ -451,6 +448,8 @@ impl foo::Debug<|> for Foo {
451 r" 448 r"
452use std::fmt as foo; 449use std::fmt as foo;
453 450
451use foo::Debug;
452
454impl Debug for Foo { 453impl Debug for Foo {
455} 454}
456", 455",
@@ -515,6 +514,7 @@ fn main() {
515 ", 514 ",
516 r" 515 r"
517#![allow(dead_code)] 516#![allow(dead_code)]
517
518use std::fmt::Debug; 518use std::fmt::Debug;
519 519
520fn main() { 520fn main() {
@@ -647,9 +647,8 @@ impl std::io<|> for Foo {
647} 647}
648 ", 648 ",
649 r" 649 r"
650use std::io;
651
652pub use std::fmt; 650pub use std::fmt;
651use std::io;
653 652
654impl io for Foo { 653impl io for Foo {
655} 654}
@@ -668,9 +667,8 @@ impl std::io<|> for Foo {
668} 667}
669 ", 668 ",
670 r" 669 r"
671use std::io;
672
673pub(crate) use std::fmt; 670pub(crate) use std::fmt;
671use std::io;
674 672
675impl io for Foo { 673impl io for Foo {
676} 674}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-08 14:30:49 +0100