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-rw-r--r--crates/hir_def/src/body.rs25
-rw-r--r--crates/hir_def/src/body/diagnostics.rs32
-rw-r--r--crates/hir_def/src/body/lower.rs45
-rw-r--r--crates/hir_def/src/body/tests.rs16
-rw-r--r--crates/hir_def/src/diagnostics.rs227
-rw-r--r--crates/hir_def/src/lib.rs17
-rw-r--r--crates/hir_def/src/nameres.rs252
-rw-r--r--crates/hir_def/src/nameres/collector.rs7
-rw-r--r--crates/hir_def/src/nameres/diagnostics.rs90
-rw-r--r--crates/hir_def/src/nameres/tests/diagnostics.rs57
-rw-r--r--crates/hir_def/src/path.rs2
-rw-r--r--crates/hir_def/src/path/lower.rs27
-rw-r--r--crates/hir_def/src/resolver.rs38
-rw-r--r--crates/hir_def/src/test_db.rs83
14 files changed, 272 insertions, 646 deletions
diff --git a/crates/hir_def/src/body.rs b/crates/hir_def/src/body.rs
index 98b485b60..c521879c8 100644
--- a/crates/hir_def/src/body.rs
+++ b/crates/hir_def/src/body.rs
@@ -1,7 +1,6 @@
1//! Defines `Body`: a lowered representation of bodies of functions, statics and 1//! Defines `Body`: a lowered representation of bodies of functions, statics and
2//! consts. 2//! consts.
3mod lower; 3mod lower;
4mod diagnostics;
5#[cfg(test)] 4#[cfg(test)]
6mod tests; 5mod tests;
7pub mod scope; 6pub mod scope;
@@ -9,17 +8,16 @@ pub mod scope;
9use std::{mem, ops::Index, sync::Arc}; 8use std::{mem, ops::Index, sync::Arc};
10 9
11use base_db::CrateId; 10use base_db::CrateId;
12use cfg::CfgOptions; 11use cfg::{CfgExpr, CfgOptions};
13use drop_bomb::DropBomb; 12use drop_bomb::DropBomb;
14use either::Either; 13use either::Either;
15use hir_expand::{ 14use hir_expand::{
16 ast_id_map::AstIdMap, diagnostics::DiagnosticSink, hygiene::Hygiene, AstId, ExpandResult, 15 ast_id_map::AstIdMap, hygiene::Hygiene, AstId, ExpandResult, HirFileId, InFile, MacroDefId,
17 HirFileId, InFile, MacroDefId,
18}; 16};
19use la_arena::{Arena, ArenaMap}; 17use la_arena::{Arena, ArenaMap};
20use profile::Count; 18use profile::Count;
21use rustc_hash::FxHashMap; 19use rustc_hash::FxHashMap;
22use syntax::{ast, AstNode, AstPtr}; 20use syntax::{ast, AstNode, AstPtr, SyntaxNodePtr};
23 21
24use crate::{ 22use crate::{
25 attr::{Attrs, RawAttrs}, 23 attr::{Attrs, RawAttrs},
@@ -273,12 +271,20 @@ pub struct BodySourceMap {
273 271
274 /// Diagnostics accumulated during body lowering. These contain `AstPtr`s and so are stored in 272 /// Diagnostics accumulated during body lowering. These contain `AstPtr`s and so are stored in
275 /// the source map (since they're just as volatile). 273 /// the source map (since they're just as volatile).
276 diagnostics: Vec<diagnostics::BodyDiagnostic>, 274 diagnostics: Vec<BodyDiagnostic>,
277} 275}
278 276
279#[derive(Default, Debug, Eq, PartialEq, Clone, Copy)] 277#[derive(Default, Debug, Eq, PartialEq, Clone, Copy)]
280pub struct SyntheticSyntax; 278pub struct SyntheticSyntax;
281 279
280#[derive(Debug, Eq, PartialEq)]
281pub enum BodyDiagnostic {
282 InactiveCode { node: InFile<SyntaxNodePtr>, cfg: CfgExpr, opts: CfgOptions },
283 MacroError { node: InFile<AstPtr<ast::MacroCall>>, message: String },
284 UnresolvedProcMacro { node: InFile<AstPtr<ast::MacroCall>> },
285 UnresolvedMacroCall { node: InFile<AstPtr<ast::MacroCall>>, path: ModPath },
286}
287
282impl Body { 288impl Body {
283 pub(crate) fn body_with_source_map_query( 289 pub(crate) fn body_with_source_map_query(
284 db: &dyn DefDatabase, 290 db: &dyn DefDatabase,
@@ -416,9 +422,8 @@ impl BodySourceMap {
416 self.field_map.get(&src).cloned() 422 self.field_map.get(&src).cloned()
417 } 423 }
418 424
419 pub(crate) fn add_diagnostics(&self, _db: &dyn DefDatabase, sink: &mut DiagnosticSink<'_>) { 425 /// Get a reference to the body source map's diagnostics.
420 for diag in &self.diagnostics { 426 pub fn diagnostics(&self) -> &[BodyDiagnostic] {
421 diag.add_to(sink); 427 &self.diagnostics
422 }
423 } 428 }
424} 429}
diff --git a/crates/hir_def/src/body/diagnostics.rs b/crates/hir_def/src/body/diagnostics.rs
deleted file mode 100644
index f6992c9a8..000000000
--- a/crates/hir_def/src/body/diagnostics.rs
+++ /dev/null
@@ -1,32 +0,0 @@
1//! Diagnostics emitted during body lowering.
2
3use hir_expand::diagnostics::DiagnosticSink;
4
5use crate::diagnostics::{InactiveCode, MacroError, UnresolvedMacroCall, UnresolvedProcMacro};
6
7#[derive(Debug, Eq, PartialEq)]
8pub(crate) enum BodyDiagnostic {
9 InactiveCode(InactiveCode),
10 MacroError(MacroError),
11 UnresolvedProcMacro(UnresolvedProcMacro),
12 UnresolvedMacroCall(UnresolvedMacroCall),
13}
14
15impl BodyDiagnostic {
16 pub(crate) fn add_to(&self, sink: &mut DiagnosticSink<'_>) {
17 match self {
18 BodyDiagnostic::InactiveCode(diag) => {
19 sink.push(diag.clone());
20 }
21 BodyDiagnostic::MacroError(diag) => {
22 sink.push(diag.clone());
23 }
24 BodyDiagnostic::UnresolvedProcMacro(diag) => {
25 sink.push(diag.clone());
26 }
27 BodyDiagnostic::UnresolvedMacroCall(diag) => {
28 sink.push(diag.clone());
29 }
30 }
31 }
32}
diff --git a/crates/hir_def/src/body/lower.rs b/crates/hir_def/src/body/lower.rs
index 2a7e0205f..da1fdac33 100644
--- a/crates/hir_def/src/body/lower.rs
+++ b/crates/hir_def/src/body/lower.rs
@@ -8,7 +8,7 @@ use hir_expand::{
8 ast_id_map::{AstIdMap, FileAstId}, 8 ast_id_map::{AstIdMap, FileAstId},
9 hygiene::Hygiene, 9 hygiene::Hygiene,
10 name::{name, AsName, Name}, 10 name::{name, AsName, Name},
11 ExpandError, HirFileId, 11 ExpandError, HirFileId, InFile,
12}; 12};
13use la_arena::Arena; 13use la_arena::Arena;
14use profile::Count; 14use profile::Count;
@@ -23,9 +23,9 @@ use syntax::{
23use crate::{ 23use crate::{
24 adt::StructKind, 24 adt::StructKind,
25 body::{Body, BodySourceMap, Expander, LabelSource, PatPtr, SyntheticSyntax}, 25 body::{Body, BodySourceMap, Expander, LabelSource, PatPtr, SyntheticSyntax},
26 body::{BodyDiagnostic, ExprSource, PatSource},
26 builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint}, 27 builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint},
27 db::DefDatabase, 28 db::DefDatabase,
28 diagnostics::{InactiveCode, MacroError, UnresolvedMacroCall, UnresolvedProcMacro},
29 expr::{ 29 expr::{
30 dummy_expr_id, ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Label, 30 dummy_expr_id, ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Label,
31 LabelId, Literal, LogicOp, MatchArm, Ordering, Pat, PatId, RecordFieldPat, RecordLitField, 31 LabelId, Literal, LogicOp, MatchArm, Ordering, Pat, PatId, RecordFieldPat, RecordLitField,
@@ -38,8 +38,6 @@ use crate::{
38 AdtId, BlockLoc, ModuleDefId, UnresolvedMacro, 38 AdtId, BlockLoc, ModuleDefId, UnresolvedMacro,
39}; 39};
40 40
41use super::{diagnostics::BodyDiagnostic, ExprSource, PatSource};
42
43pub struct LowerCtx<'a> { 41pub struct LowerCtx<'a> {
44 pub db: &'a dyn DefDatabase, 42 pub db: &'a dyn DefDatabase,
45 hygiene: Hygiene, 43 hygiene: Hygiene,
@@ -592,13 +590,10 @@ impl ExprCollector<'_> {
592 let res = match res { 590 let res = match res {
593 Ok(res) => res, 591 Ok(res) => res,
594 Err(UnresolvedMacro { path }) => { 592 Err(UnresolvedMacro { path }) => {
595 self.source_map.diagnostics.push(BodyDiagnostic::UnresolvedMacroCall( 593 self.source_map.diagnostics.push(BodyDiagnostic::UnresolvedMacroCall {
596 UnresolvedMacroCall { 594 node: InFile::new(outer_file, syntax_ptr),
597 file: outer_file, 595 path,
598 node: syntax_ptr.cast().unwrap(), 596 });
599 path,
600 },
601 ));
602 collector(self, None); 597 collector(self, None);
603 return; 598 return;
604 } 599 }
@@ -606,21 +601,15 @@ impl ExprCollector<'_> {
606 601
607 match &res.err { 602 match &res.err {
608 Some(ExpandError::UnresolvedProcMacro) => { 603 Some(ExpandError::UnresolvedProcMacro) => {
609 self.source_map.diagnostics.push(BodyDiagnostic::UnresolvedProcMacro( 604 self.source_map.diagnostics.push(BodyDiagnostic::UnresolvedProcMacro {
610 UnresolvedProcMacro { 605 node: InFile::new(outer_file, syntax_ptr),
611 file: outer_file, 606 });
612 node: syntax_ptr.into(),
613 precise_location: None,
614 macro_name: None,
615 },
616 ));
617 } 607 }
618 Some(err) => { 608 Some(err) => {
619 self.source_map.diagnostics.push(BodyDiagnostic::MacroError(MacroError { 609 self.source_map.diagnostics.push(BodyDiagnostic::MacroError {
620 file: outer_file, 610 node: InFile::new(outer_file, syntax_ptr),
621 node: syntax_ptr.into(),
622 message: err.to_string(), 611 message: err.to_string(),
623 })); 612 });
624 } 613 }
625 None => {} 614 None => {}
626 } 615 }
@@ -945,12 +934,14 @@ impl ExprCollector<'_> {
945 return Some(()); 934 return Some(());
946 } 935 }
947 936
948 self.source_map.diagnostics.push(BodyDiagnostic::InactiveCode(InactiveCode { 937 self.source_map.diagnostics.push(BodyDiagnostic::InactiveCode {
949 file: self.expander.current_file_id, 938 node: InFile::new(
950 node: SyntaxNodePtr::new(owner.syntax()), 939 self.expander.current_file_id,
940 SyntaxNodePtr::new(owner.syntax()),
941 ),
951 cfg, 942 cfg,
952 opts: self.expander.cfg_options().clone(), 943 opts: self.expander.cfg_options().clone(),
953 })); 944 });
954 945
955 None 946 None
956 } 947 }
diff --git a/crates/hir_def/src/body/tests.rs b/crates/hir_def/src/body/tests.rs
index 3e8f16306..d4fae05a6 100644
--- a/crates/hir_def/src/body/tests.rs
+++ b/crates/hir_def/src/body/tests.rs
@@ -96,26 +96,26 @@ fn f() {
96 // The three g̶e̶n̶d̶e̶r̶s̶ statements: 96 // The three g̶e̶n̶d̶e̶r̶s̶ statements:
97 97
98 #[cfg(a)] fn f() {} // Item statement 98 #[cfg(a)] fn f() {} // Item statement
99 //^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 99 //^^^^^^^^^^^^^^^^^^^ InactiveCode
100 #[cfg(a)] {} // Expression statement 100 #[cfg(a)] {} // Expression statement
101 //^^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 101 //^^^^^^^^^^^^ InactiveCode
102 #[cfg(a)] let x = 0; // let statement 102 #[cfg(a)] let x = 0; // let statement
103 //^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 103 //^^^^^^^^^^^^^^^^^^^^ InactiveCode
104 104
105 abc(#[cfg(a)] 0); 105 abc(#[cfg(a)] 0);
106 //^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 106 //^^^^^^^^^^^ InactiveCode
107 let x = Struct { 107 let x = Struct {
108 #[cfg(a)] f: 0, 108 #[cfg(a)] f: 0,
109 //^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 109 //^^^^^^^^^^^^^^ InactiveCode
110 }; 110 };
111 match () { 111 match () {
112 () => (), 112 () => (),
113 #[cfg(a)] () => (), 113 #[cfg(a)] () => (),
114 //^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 114 //^^^^^^^^^^^^^^^^^^ InactiveCode
115 } 115 }
116 116
117 #[cfg(a)] 0 // Trailing expression of block 117 #[cfg(a)] 0 // Trailing expression of block
118 //^^^^^^^^^^^ code is inactive due to #[cfg] directives: a is disabled 118 //^^^^^^^^^^^ InactiveCode
119} 119}
120 ", 120 ",
121 ); 121 );
@@ -188,7 +188,7 @@ fn unresolved_macro_diag() {
188 r#" 188 r#"
189fn f() { 189fn f() {
190 m!(); 190 m!();
191 //^^^^ unresolved macro `m!` 191 //^^^^ UnresolvedMacroCall
192} 192}
193 "#, 193 "#,
194 ); 194 );
diff --git a/crates/hir_def/src/diagnostics.rs b/crates/hir_def/src/diagnostics.rs
deleted file mode 100644
index a71ae2668..000000000
--- a/crates/hir_def/src/diagnostics.rs
+++ /dev/null
@@ -1,227 +0,0 @@
1//! Diagnostics produced by `hir_def`.
2
3use std::any::Any;
4use stdx::format_to;
5
6use cfg::{CfgExpr, CfgOptions, DnfExpr};
7use hir_expand::diagnostics::{Diagnostic, DiagnosticCode, DiagnosticSink};
8use hir_expand::{HirFileId, InFile};
9use syntax::{ast, AstPtr, SyntaxNodePtr, TextRange};
10
11use crate::{db::DefDatabase, path::ModPath, DefWithBodyId};
12
13pub fn validate_body(db: &dyn DefDatabase, owner: DefWithBodyId, sink: &mut DiagnosticSink<'_>) {
14 let source_map = db.body_with_source_map(owner).1;
15 source_map.add_diagnostics(db, sink);
16}
17
18// Diagnostic: unresolved-module
19//
20// This diagnostic is triggered if rust-analyzer is unable to discover referred module.
21#[derive(Debug)]
22pub struct UnresolvedModule {
23 pub file: HirFileId,
24 pub decl: AstPtr<ast::Module>,
25 pub candidate: String,
26}
27
28impl Diagnostic for UnresolvedModule {
29 fn code(&self) -> DiagnosticCode {
30 DiagnosticCode("unresolved-module")
31 }
32 fn message(&self) -> String {
33 "unresolved module".to_string()
34 }
35 fn display_source(&self) -> InFile<SyntaxNodePtr> {
36 InFile::new(self.file, self.decl.clone().into())
37 }
38 fn as_any(&self) -> &(dyn Any + Send + 'static) {
39 self
40 }
41}
42
43// Diagnostic: unresolved-extern-crate
44//
45// This diagnostic is triggered if rust-analyzer is unable to discover referred extern crate.
46#[derive(Debug)]
47pub struct UnresolvedExternCrate {
48 pub file: HirFileId,
49 pub item: AstPtr<ast::ExternCrate>,
50}
51
52impl Diagnostic for UnresolvedExternCrate {
53 fn code(&self) -> DiagnosticCode {
54 DiagnosticCode("unresolved-extern-crate")
55 }
56 fn message(&self) -> String {
57 "unresolved extern crate".to_string()
58 }
59 fn display_source(&self) -> InFile<SyntaxNodePtr> {
60 InFile::new(self.file, self.item.clone().into())
61 }
62 fn as_any(&self) -> &(dyn Any + Send + 'static) {
63 self
64 }
65}
66
67// Diagnostic: unresolved-import
68//
69// This diagnostic is triggered if rust-analyzer is unable to discover imported module.
70#[derive(Debug)]
71pub struct UnresolvedImport {
72 pub file: HirFileId,
73 pub node: AstPtr<ast::UseTree>,
74}
75
76impl Diagnostic for UnresolvedImport {
77 fn code(&self) -> DiagnosticCode {
78 DiagnosticCode("unresolved-import")
79 }
80 fn message(&self) -> String {
81 "unresolved import".to_string()
82 }
83 fn display_source(&self) -> InFile<SyntaxNodePtr> {
84 InFile::new(self.file, self.node.clone().into())
85 }
86 fn as_any(&self) -> &(dyn Any + Send + 'static) {
87 self
88 }
89 fn is_experimental(&self) -> bool {
90 // This currently results in false positives in the following cases:
91 // - `cfg_if!`-generated code in libstd (we don't load the sysroot correctly)
92 // - `core::arch` (we don't handle `#[path = "../<path>"]` correctly)
93 // - proc macros and/or proc macro generated code
94 true
95 }
96}
97
98// Diagnostic: unresolved-macro-call
99//
100// This diagnostic is triggered if rust-analyzer is unable to resolve the path to a
101// macro in a macro invocation.
102#[derive(Debug, Clone, Eq, PartialEq)]
103pub struct UnresolvedMacroCall {
104 pub file: HirFileId,
105 pub node: AstPtr<ast::MacroCall>,
106 pub path: ModPath,
107}
108
109impl Diagnostic for UnresolvedMacroCall {
110 fn code(&self) -> DiagnosticCode {
111 DiagnosticCode("unresolved-macro-call")
112 }
113 fn message(&self) -> String {
114 format!("unresolved macro `{}!`", self.path)
115 }
116 fn display_source(&self) -> InFile<SyntaxNodePtr> {
117 InFile::new(self.file, self.node.clone().into())
118 }
119 fn as_any(&self) -> &(dyn Any + Send + 'static) {
120 self
121 }
122 fn is_experimental(&self) -> bool {
123 true
124 }
125}
126
127// Diagnostic: inactive-code
128//
129// This diagnostic is shown for code with inactive `#[cfg]` attributes.
130#[derive(Debug, Clone, Eq, PartialEq)]
131pub struct InactiveCode {
132 pub file: HirFileId,
133 pub node: SyntaxNodePtr,
134 pub cfg: CfgExpr,
135 pub opts: CfgOptions,
136}
137
138impl Diagnostic for InactiveCode {
139 fn code(&self) -> DiagnosticCode {
140 DiagnosticCode("inactive-code")
141 }
142 fn message(&self) -> String {
143 let inactive = DnfExpr::new(self.cfg.clone()).why_inactive(&self.opts);
144 let mut buf = "code is inactive due to #[cfg] directives".to_string();
145
146 if let Some(inactive) = inactive {
147 format_to!(buf, ": {}", inactive);
148 }
149
150 buf
151 }
152 fn display_source(&self) -> InFile<SyntaxNodePtr> {
153 InFile::new(self.file, self.node.clone())
154 }
155 fn as_any(&self) -> &(dyn Any + Send + 'static) {
156 self
157 }
158}
159
160// Diagnostic: unresolved-proc-macro
161//
162// This diagnostic is shown when a procedural macro can not be found. This usually means that
163// procedural macro support is simply disabled (and hence is only a weak hint instead of an error),
164// but can also indicate project setup problems.
165//
166// If you are seeing a lot of "proc macro not expanded" warnings, you can add this option to the
167// `rust-analyzer.diagnostics.disabled` list to prevent them from showing. Alternatively you can
168// enable support for procedural macros (see `rust-analyzer.procMacro.enable`).
169#[derive(Debug, Clone, Eq, PartialEq)]
170pub struct UnresolvedProcMacro {
171 pub file: HirFileId,
172 pub node: SyntaxNodePtr,
173 /// If the diagnostic can be pinpointed more accurately than via `node`, this is the `TextRange`
174 /// to use instead.
175 pub precise_location: Option<TextRange>,
176 pub macro_name: Option<String>,
177}
178
179impl Diagnostic for UnresolvedProcMacro {
180 fn code(&self) -> DiagnosticCode {
181 DiagnosticCode("unresolved-proc-macro")
182 }
183
184 fn message(&self) -> String {
185 match &self.macro_name {
186 Some(name) => format!("proc macro `{}` not expanded", name),
187 None => "proc macro not expanded".to_string(),
188 }
189 }
190
191 fn display_source(&self) -> InFile<SyntaxNodePtr> {
192 InFile::new(self.file, self.node.clone())
193 }
194
195 fn as_any(&self) -> &(dyn Any + Send + 'static) {
196 self
197 }
198}
199
200// Diagnostic: macro-error
201//
202// This diagnostic is shown for macro expansion errors.
203#[derive(Debug, Clone, Eq, PartialEq)]
204pub struct MacroError {
205 pub file: HirFileId,
206 pub node: SyntaxNodePtr,
207 pub message: String,
208}
209
210impl Diagnostic for MacroError {
211 fn code(&self) -> DiagnosticCode {
212 DiagnosticCode("macro-error")
213 }
214 fn message(&self) -> String {
215 self.message.clone()
216 }
217 fn display_source(&self) -> InFile<SyntaxNodePtr> {
218 InFile::new(self.file, self.node.clone())
219 }
220 fn as_any(&self) -> &(dyn Any + Send + 'static) {
221 self
222 }
223 fn is_experimental(&self) -> bool {
224 // Newly added and not very well-tested, might contain false positives.
225 true
226 }
227}
diff --git a/crates/hir_def/src/lib.rs b/crates/hir_def/src/lib.rs
index 70001cac8..9aa95720a 100644
--- a/crates/hir_def/src/lib.rs
+++ b/crates/hir_def/src/lib.rs
@@ -19,7 +19,6 @@ pub mod path;
19pub mod type_ref; 19pub mod type_ref;
20pub mod builtin_type; 20pub mod builtin_type;
21pub mod builtin_attr; 21pub mod builtin_attr;
22pub mod diagnostics;
23pub mod per_ns; 22pub mod per_ns;
24pub mod item_scope; 23pub mod item_scope;
25 24
@@ -56,7 +55,6 @@ use std::{
56 sync::Arc, 55 sync::Arc,
57}; 56};
58 57
59use adt::VariantData;
60use base_db::{impl_intern_key, salsa, CrateId}; 58use base_db::{impl_intern_key, salsa, CrateId};
61use hir_expand::{ 59use hir_expand::{
62 ast_id_map::FileAstId, 60 ast_id_map::FileAstId,
@@ -67,15 +65,18 @@ use hir_expand::{
67use la_arena::Idx; 65use la_arena::Idx;
68use nameres::DefMap; 66use nameres::DefMap;
69use path::ModPath; 67use path::ModPath;
68use stdx::impl_from;
70use syntax::ast; 69use syntax::ast;
71 70
72use crate::attr::AttrId; 71use crate::{
73use crate::builtin_type::BuiltinType; 72 adt::VariantData,
74use item_tree::{ 73 attr::AttrId,
75 Const, Enum, Function, Impl, ItemTreeId, ItemTreeNode, ModItem, Static, Struct, Trait, 74 builtin_type::BuiltinType,
76 TypeAlias, Union, 75 item_tree::{
76 Const, Enum, Function, Impl, ItemTreeId, ItemTreeNode, ModItem, Static, Struct, Trait,
77 TypeAlias, Union,
78 },
77}; 79};
78use stdx::impl_from;
79 80
80#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 81#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
81pub struct ModuleId { 82pub struct ModuleId {
diff --git a/crates/hir_def/src/nameres.rs b/crates/hir_def/src/nameres.rs
index 249af6fc8..ebfcc26c4 100644
--- a/crates/hir_def/src/nameres.rs
+++ b/crates/hir_def/src/nameres.rs
@@ -47,18 +47,19 @@
47//! path and, upon success, we run macro expansion and "collect module" phase on 47//! path and, upon success, we run macro expansion and "collect module" phase on
48//! the result 48//! the result
49 49
50pub mod diagnostics;
50mod collector; 51mod collector;
51mod mod_resolution; 52mod mod_resolution;
52mod path_resolution; 53mod path_resolution;
54mod proc_macro;
53 55
54#[cfg(test)] 56#[cfg(test)]
55mod tests; 57mod tests;
56mod proc_macro;
57 58
58use std::sync::Arc; 59use std::sync::Arc;
59 60
60use base_db::{CrateId, Edition, FileId}; 61use base_db::{CrateId, Edition, FileId};
61use hir_expand::{diagnostics::DiagnosticSink, name::Name, InFile, MacroDefId}; 62use hir_expand::{name::Name, InFile, MacroDefId};
62use la_arena::Arena; 63use la_arena::Arena;
63use profile::Count; 64use profile::Count;
64use rustc_hash::FxHashMap; 65use rustc_hash::FxHashMap;
@@ -254,15 +255,6 @@ impl DefMap {
254 } 255 }
255 } 256 }
256 257
257 pub fn add_diagnostics(
258 &self,
259 db: &dyn DefDatabase,
260 module: LocalModuleId,
261 sink: &mut DiagnosticSink,
262 ) {
263 self.diagnostics.iter().for_each(|it| it.add_to(db, module, sink))
264 }
265
266 pub fn modules_for_file(&self, file_id: FileId) -> impl Iterator<Item = LocalModuleId> + '_ { 258 pub fn modules_for_file(&self, file_id: FileId) -> impl Iterator<Item = LocalModuleId> + '_ {
267 self.modules 259 self.modules
268 .iter() 260 .iter()
@@ -448,6 +440,11 @@ impl DefMap {
448 module.scope.shrink_to_fit(); 440 module.scope.shrink_to_fit();
449 } 441 }
450 } 442 }
443
444 /// Get a reference to the def map's diagnostics.
445 pub fn diagnostics(&self) -> &[DefDiagnostic] {
446 self.diagnostics.as_slice()
447 }
451} 448}
452 449
453impl ModuleData { 450impl ModuleData {
@@ -471,236 +468,3 @@ pub enum ModuleSource {
471 Module(ast::Module), 468 Module(ast::Module),
472 BlockExpr(ast::BlockExpr), 469 BlockExpr(ast::BlockExpr),
473} 470}
474
475mod diagnostics {
476 use cfg::{CfgExpr, CfgOptions};
477 use hir_expand::diagnostics::DiagnosticSink;
478 use hir_expand::hygiene::Hygiene;
479 use hir_expand::{InFile, MacroCallKind};
480 use syntax::ast::AttrsOwner;
481 use syntax::{ast, AstNode, AstPtr, SyntaxKind, SyntaxNodePtr};
482
483 use crate::path::ModPath;
484 use crate::{db::DefDatabase, diagnostics::*, nameres::LocalModuleId, AstId};
485
486 #[derive(Debug, PartialEq, Eq)]
487 enum DiagnosticKind {
488 UnresolvedModule { declaration: AstId<ast::Module>, candidate: String },
489
490 UnresolvedExternCrate { ast: AstId<ast::ExternCrate> },
491
492 UnresolvedImport { ast: AstId<ast::Use>, index: usize },
493
494 UnconfiguredCode { ast: AstId<ast::Item>, cfg: CfgExpr, opts: CfgOptions },
495
496 UnresolvedProcMacro { ast: MacroCallKind },
497
498 UnresolvedMacroCall { ast: AstId<ast::MacroCall>, path: ModPath },
499
500 MacroError { ast: MacroCallKind, message: String },
501 }
502
503 #[derive(Debug, PartialEq, Eq)]
504 pub(super) struct DefDiagnostic {
505 in_module: LocalModuleId,
506 kind: DiagnosticKind,
507 }
508
509 impl DefDiagnostic {
510 pub(super) fn unresolved_module(
511 container: LocalModuleId,
512 declaration: AstId<ast::Module>,
513 candidate: String,
514 ) -> Self {
515 Self {
516 in_module: container,
517 kind: DiagnosticKind::UnresolvedModule { declaration, candidate },
518 }
519 }
520
521 pub(super) fn unresolved_extern_crate(
522 container: LocalModuleId,
523 declaration: AstId<ast::ExternCrate>,
524 ) -> Self {
525 Self {
526 in_module: container,
527 kind: DiagnosticKind::UnresolvedExternCrate { ast: declaration },
528 }
529 }
530
531 pub(super) fn unresolved_import(
532 container: LocalModuleId,
533 ast: AstId<ast::Use>,
534 index: usize,
535 ) -> Self {
536 Self { in_module: container, kind: DiagnosticKind::UnresolvedImport { ast, index } }
537 }
538
539 pub(super) fn unconfigured_code(
540 container: LocalModuleId,
541 ast: AstId<ast::Item>,
542 cfg: CfgExpr,
543 opts: CfgOptions,
544 ) -> Self {
545 Self { in_module: container, kind: DiagnosticKind::UnconfiguredCode { ast, cfg, opts } }
546 }
547
548 pub(super) fn unresolved_proc_macro(container: LocalModuleId, ast: MacroCallKind) -> Self {
549 Self { in_module: container, kind: DiagnosticKind::UnresolvedProcMacro { ast } }
550 }
551
552 pub(super) fn macro_error(
553 container: LocalModuleId,
554 ast: MacroCallKind,
555 message: String,
556 ) -> Self {
557 Self { in_module: container, kind: DiagnosticKind::MacroError { ast, message } }
558 }
559
560 pub(super) fn unresolved_macro_call(
561 container: LocalModuleId,
562 ast: AstId<ast::MacroCall>,
563 path: ModPath,
564 ) -> Self {
565 Self { in_module: container, kind: DiagnosticKind::UnresolvedMacroCall { ast, path } }
566 }
567
568 pub(super) fn add_to(
569 &self,
570 db: &dyn DefDatabase,
571 target_module: LocalModuleId,
572 sink: &mut DiagnosticSink,
573 ) {
574 if self.in_module != target_module {
575 return;
576 }
577
578 match &self.kind {
579 DiagnosticKind::UnresolvedModule { declaration, candidate } => {
580 let decl = declaration.to_node(db.upcast());
581 sink.push(UnresolvedModule {
582 file: declaration.file_id,
583 decl: AstPtr::new(&decl),
584 candidate: candidate.clone(),
585 })
586 }
587
588 DiagnosticKind::UnresolvedExternCrate { ast } => {
589 let item = ast.to_node(db.upcast());
590 sink.push(UnresolvedExternCrate {
591 file: ast.file_id,
592 item: AstPtr::new(&item),
593 });
594 }
595
596 DiagnosticKind::UnresolvedImport { ast, index } => {
597 let use_item = ast.to_node(db.upcast());
598 let hygiene = Hygiene::new(db.upcast(), ast.file_id);
599 let mut cur = 0;
600 let mut tree = None;
601 ModPath::expand_use_item(
602 db,
603 InFile::new(ast.file_id, use_item),
604 &hygiene,
605 |_mod_path, use_tree, _is_glob, _alias| {
606 if cur == *index {
607 tree = Some(use_tree.clone());
608 }
609
610 cur += 1;
611 },
612 );
613
614 if let Some(tree) = tree {
615 sink.push(UnresolvedImport { file: ast.file_id, node: AstPtr::new(&tree) });
616 }
617 }
618
619 DiagnosticKind::UnconfiguredCode { ast, cfg, opts } => {
620 let item = ast.to_node(db.upcast());
621 sink.push(InactiveCode {
622 file: ast.file_id,
623 node: AstPtr::new(&item).into(),
624 cfg: cfg.clone(),
625 opts: opts.clone(),
626 });
627 }
628
629 DiagnosticKind::UnresolvedProcMacro { ast } => {
630 let mut precise_location = None;
631 let (file, ast, name) = match ast {
632 MacroCallKind::FnLike { ast_id, .. } => {
633 let node = ast_id.to_node(db.upcast());
634 (ast_id.file_id, SyntaxNodePtr::from(AstPtr::new(&node)), None)
635 }
636 MacroCallKind::Derive { ast_id, derive_name, .. } => {
637 let node = ast_id.to_node(db.upcast());
638
639 // Compute the precise location of the macro name's token in the derive
640 // list.
641 // FIXME: This does not handle paths to the macro, but neither does the
642 // rest of r-a.
643 let derive_attrs =
644 node.attrs().filter_map(|attr| match attr.as_simple_call() {
645 Some((name, args)) if name == "derive" => Some(args),
646 _ => None,
647 });
648 'outer: for attr in derive_attrs {
649 let tokens =
650 attr.syntax().children_with_tokens().filter_map(|elem| {
651 match elem {
652 syntax::NodeOrToken::Node(_) => None,
653 syntax::NodeOrToken::Token(tok) => Some(tok),
654 }
655 });
656 for token in tokens {
657 if token.kind() == SyntaxKind::IDENT
658 && token.text() == derive_name.as_str()
659 {
660 precise_location = Some(token.text_range());
661 break 'outer;
662 }
663 }
664 }
665
666 (
667 ast_id.file_id,
668 SyntaxNodePtr::from(AstPtr::new(&node)),
669 Some(derive_name.clone()),
670 )
671 }
672 };
673 sink.push(UnresolvedProcMacro {
674 file,
675 node: ast,
676 precise_location,
677 macro_name: name,
678 });
679 }
680
681 DiagnosticKind::UnresolvedMacroCall { ast, path } => {
682 let node = ast.to_node(db.upcast());
683 sink.push(UnresolvedMacroCall {
684 file: ast.file_id,
685 node: AstPtr::new(&node),
686 path: path.clone(),
687 });
688 }
689
690 DiagnosticKind::MacroError { ast, message } => {
691 let (file, ast) = match ast {
692 MacroCallKind::FnLike { ast_id, .. } => {
693 let node = ast_id.to_node(db.upcast());
694 (ast_id.file_id, SyntaxNodePtr::from(AstPtr::new(&node)))
695 }
696 MacroCallKind::Derive { ast_id, .. } => {
697 let node = ast_id.to_node(db.upcast());
698 (ast_id.file_id, SyntaxNodePtr::from(AstPtr::new(&node)))
699 }
700 };
701 sink.push(MacroError { file, node: ast, message: message.clone() });
702 }
703 }
704 }
705 }
706}
diff --git a/crates/hir_def/src/nameres/collector.rs b/crates/hir_def/src/nameres/collector.rs
index 2ae740d0e..3ea472908 100644
--- a/crates/hir_def/src/nameres/collector.rs
+++ b/crates/hir_def/src/nameres/collector.rs
@@ -33,7 +33,10 @@ use crate::{
33 }, 33 },
34 macro_call_as_call_id, 34 macro_call_as_call_id,
35 nameres::{ 35 nameres::{
36 diagnostics::DefDiagnostic, mod_resolution::ModDir, path_resolution::ReachedFixedPoint, 36 diagnostics::DefDiagnostic,
37 mod_resolution::ModDir,
38 path_resolution::ReachedFixedPoint,
39 proc_macro::{ProcMacroDef, ProcMacroKind},
37 BuiltinShadowMode, DefMap, ModuleData, ModuleOrigin, ResolveMode, 40 BuiltinShadowMode, DefMap, ModuleData, ModuleOrigin, ResolveMode,
38 }, 41 },
39 path::{ImportAlias, ModPath, PathKind}, 42 path::{ImportAlias, ModPath, PathKind},
@@ -44,8 +47,6 @@ use crate::{
44 UnresolvedMacro, 47 UnresolvedMacro,
45}; 48};
46 49
47use super::proc_macro::{ProcMacroDef, ProcMacroKind};
48
49const GLOB_RECURSION_LIMIT: usize = 100; 50const GLOB_RECURSION_LIMIT: usize = 100;
50const EXPANSION_DEPTH_LIMIT: usize = 128; 51const EXPANSION_DEPTH_LIMIT: usize = 128;
51const FIXED_POINT_LIMIT: usize = 8192; 52const FIXED_POINT_LIMIT: usize = 8192;
diff --git a/crates/hir_def/src/nameres/diagnostics.rs b/crates/hir_def/src/nameres/diagnostics.rs
new file mode 100644
index 000000000..8f2f0ff9f
--- /dev/null
+++ b/crates/hir_def/src/nameres/diagnostics.rs
@@ -0,0 +1,90 @@
1//! Diagnostics emitted during DefMap construction.
2
3use cfg::{CfgExpr, CfgOptions};
4use hir_expand::MacroCallKind;
5use syntax::ast;
6
7use crate::{nameres::LocalModuleId, path::ModPath, AstId};
8
9#[derive(Debug, PartialEq, Eq)]
10pub enum DefDiagnosticKind {
11 UnresolvedModule { ast: AstId<ast::Module>, candidate: String },
12
13 UnresolvedExternCrate { ast: AstId<ast::ExternCrate> },
14
15 UnresolvedImport { ast: AstId<ast::Use>, index: usize },
16
17 UnconfiguredCode { ast: AstId<ast::Item>, cfg: CfgExpr, opts: CfgOptions },
18
19 UnresolvedProcMacro { ast: MacroCallKind },
20
21 UnresolvedMacroCall { ast: AstId<ast::MacroCall>, path: ModPath },
22
23 MacroError { ast: MacroCallKind, message: String },
24}
25
26#[derive(Debug, PartialEq, Eq)]
27pub struct DefDiagnostic {
28 pub in_module: LocalModuleId,
29 pub kind: DefDiagnosticKind,
30}
31
32impl DefDiagnostic {
33 pub(super) fn unresolved_module(
34 container: LocalModuleId,
35 declaration: AstId<ast::Module>,
36 candidate: String,
37 ) -> Self {
38 Self {
39 in_module: container,
40 kind: DefDiagnosticKind::UnresolvedModule { ast: declaration, candidate },
41 }
42 }
43
44 pub(super) fn unresolved_extern_crate(
45 container: LocalModuleId,
46 declaration: AstId<ast::ExternCrate>,
47 ) -> Self {
48 Self {
49 in_module: container,
50 kind: DefDiagnosticKind::UnresolvedExternCrate { ast: declaration },
51 }
52 }
53
54 pub(super) fn unresolved_import(
55 container: LocalModuleId,
56 ast: AstId<ast::Use>,
57 index: usize,
58 ) -> Self {
59 Self { in_module: container, kind: DefDiagnosticKind::UnresolvedImport { ast, index } }
60 }
61
62 pub(super) fn unconfigured_code(
63 container: LocalModuleId,
64 ast: AstId<ast::Item>,
65 cfg: CfgExpr,
66 opts: CfgOptions,
67 ) -> Self {
68 Self { in_module: container, kind: DefDiagnosticKind::UnconfiguredCode { ast, cfg, opts } }
69 }
70
71 pub(super) fn unresolved_proc_macro(container: LocalModuleId, ast: MacroCallKind) -> Self {
72 Self { in_module: container, kind: DefDiagnosticKind::UnresolvedProcMacro { ast } }
73 }
74
75 pub(super) fn macro_error(
76 container: LocalModuleId,
77 ast: MacroCallKind,
78 message: String,
79 ) -> Self {
80 Self { in_module: container, kind: DefDiagnosticKind::MacroError { ast, message } }
81 }
82
83 pub(super) fn unresolved_macro_call(
84 container: LocalModuleId,
85 ast: AstId<ast::MacroCall>,
86 path: ModPath,
87 ) -> Self {
88 Self { in_module: container, kind: DefDiagnosticKind::UnresolvedMacroCall { ast, path } }
89 }
90}
diff --git a/crates/hir_def/src/nameres/tests/diagnostics.rs b/crates/hir_def/src/nameres/tests/diagnostics.rs
index 75147d973..ec6670952 100644
--- a/crates/hir_def/src/nameres/tests/diagnostics.rs
+++ b/crates/hir_def/src/nameres/tests/diagnostics.rs
@@ -18,7 +18,7 @@ fn unresolved_import() {
18 r" 18 r"
19 use does_exist; 19 use does_exist;
20 use does_not_exist; 20 use does_not_exist;
21 //^^^^^^^^^^^^^^ unresolved import 21 //^^^^^^^^^^^^^^^^^^^ UnresolvedImport
22 22
23 mod does_exist {} 23 mod does_exist {}
24 ", 24 ",
@@ -26,40 +26,13 @@ fn unresolved_import() {
26} 26}
27 27
28#[test] 28#[test]
29fn unresolved_import_in_use_tree() {
30 // Only the relevant part of a nested `use` item should be highlighted.
31 check_diagnostics(
32 r"
33 use does_exist::{Exists, DoesntExist};
34 //^^^^^^^^^^^ unresolved import
35
36 use {does_not_exist::*, does_exist};
37 //^^^^^^^^^^^^^^^^^ unresolved import
38
39 use does_not_exist::{
40 a,
41 //^ unresolved import
42 b,
43 //^ unresolved import
44 c,
45 //^ unresolved import
46 };
47
48 mod does_exist {
49 pub struct Exists;
50 }
51 ",
52 );
53}
54
55#[test]
56fn unresolved_extern_crate() { 29fn unresolved_extern_crate() {
57 check_diagnostics( 30 check_diagnostics(
58 r" 31 r"
59 //- /main.rs crate:main deps:core 32 //- /main.rs crate:main deps:core
60 extern crate core; 33 extern crate core;
61 extern crate doesnotexist; 34 extern crate doesnotexist;
62 //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate 35 //^^^^^^^^^^^^^^^^^^^^^^^^^^ UnresolvedExternCrate
63 //- /lib.rs crate:core 36 //- /lib.rs crate:core
64 ", 37 ",
65 ); 38 );
@@ -72,7 +45,7 @@ fn extern_crate_self_as() {
72 r" 45 r"
73 //- /lib.rs 46 //- /lib.rs
74 extern crate doesnotexist; 47 extern crate doesnotexist;
75 //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate 48 //^^^^^^^^^^^^^^^^^^^^^^^^^^ UnresolvedExternCrate
76 // Should not error. 49 // Should not error.
77 extern crate self as foo; 50 extern crate self as foo;
78 struct Foo; 51 struct Foo;
@@ -88,18 +61,18 @@ fn dedup_unresolved_import_from_unresolved_crate() {
88 //- /main.rs crate:main 61 //- /main.rs crate:main
89 mod a { 62 mod a {
90 extern crate doesnotexist; 63 extern crate doesnotexist;
91 //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate 64 //^^^^^^^^^^^^^^^^^^^^^^^^^^ UnresolvedExternCrate
92 65
93 // Should not error, since we already errored for the missing crate. 66 // Should not error, since we already errored for the missing crate.
94 use doesnotexist::{self, bla, *}; 67 use doesnotexist::{self, bla, *};
95 68
96 use crate::doesnotexist; 69 use crate::doesnotexist;
97 //^^^^^^^^^^^^^^^^^^^ unresolved import 70 //^^^^^^^^^^^^^^^^^^^^^^^^ UnresolvedImport
98 } 71 }
99 72
100 mod m { 73 mod m {
101 use super::doesnotexist; 74 use super::doesnotexist;
102 //^^^^^^^^^^^^^^^^^^^ unresolved import 75 //^^^^^^^^^^^^^^^^^^^^^^^^ UnresolvedImport
103 } 76 }
104 ", 77 ",
105 ); 78 );
@@ -112,7 +85,7 @@ fn unresolved_module() {
112 //- /lib.rs 85 //- /lib.rs
113 mod foo; 86 mod foo;
114 mod bar; 87 mod bar;
115 //^^^^^^^^ unresolved module 88 //^^^^^^^^ UnresolvedModule
116 mod baz {} 89 mod baz {}
117 //- /foo.rs 90 //- /foo.rs
118 ", 91 ",
@@ -127,16 +100,16 @@ fn inactive_item() {
127 r#" 100 r#"
128 //- /lib.rs 101 //- /lib.rs
129 #[cfg(no)] pub fn f() {} 102 #[cfg(no)] pub fn f() {}
130 //^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no is disabled 103 //^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
131 104
132 #[cfg(no)] #[cfg(no2)] mod m; 105 #[cfg(no)] #[cfg(no2)] mod m;
133 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no and no2 are disabled 106 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
134 107
135 #[cfg(all(not(a), b))] enum E {} 108 #[cfg(all(not(a), b))] enum E {}
136 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: b is disabled 109 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
137 110
138 #[cfg(feature = "std")] use std; 111 #[cfg(feature = "std")] use std;
139 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: feature = "std" is disabled 112 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
140 "#, 113 "#,
141 ); 114 );
142} 115}
@@ -149,14 +122,14 @@ fn inactive_via_cfg_attr() {
149 r#" 122 r#"
150 //- /lib.rs 123 //- /lib.rs
151 #[cfg_attr(not(never), cfg(no))] fn f() {} 124 #[cfg_attr(not(never), cfg(no))] fn f() {}
152 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no is disabled 125 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
153 126
154 #[cfg_attr(not(never), cfg(not(no)))] fn f() {} 127 #[cfg_attr(not(never), cfg(not(no)))] fn f() {}
155 128
156 #[cfg_attr(never, cfg(no))] fn g() {} 129 #[cfg_attr(never, cfg(no))] fn g() {}
157 130
158 #[cfg_attr(not(never), inline, cfg(no))] fn h() {} 131 #[cfg_attr(not(never), inline, cfg(no))] fn h() {}
159 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ code is inactive due to #[cfg] directives: no is disabled 132 //^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
160 "#, 133 "#,
161 ); 134 );
162} 135}
@@ -170,7 +143,7 @@ fn unresolved_legacy_scope_macro() {
170 143
171 m!(); 144 m!();
172 m2!(); 145 m2!();
173 //^^^^^^ unresolved macro `self::m2!` 146 //^^^^^^ UnresolvedMacroCall
174 "#, 147 "#,
175 ); 148 );
176} 149}
@@ -187,7 +160,7 @@ fn unresolved_module_scope_macro() {
187 160
188 self::m!(); 161 self::m!();
189 self::m2!(); 162 self::m2!();
190 //^^^^^^^^^^^^ unresolved macro `self::m2!` 163 //^^^^^^^^^^^^ UnresolvedMacroCall
191 "#, 164 "#,
192 ); 165 );
193} 166}
diff --git a/crates/hir_def/src/path.rs b/crates/hir_def/src/path.rs
index 45ab9d0ff..d9ec03d2d 100644
--- a/crates/hir_def/src/path.rs
+++ b/crates/hir_def/src/path.rs
@@ -71,7 +71,7 @@ impl ModPath {
71 } 71 }
72 72
73 /// Calls `cb` with all paths, represented by this use item. 73 /// Calls `cb` with all paths, represented by this use item.
74 pub(crate) fn expand_use_item( 74 pub fn expand_use_item(
75 db: &dyn DefDatabase, 75 db: &dyn DefDatabase,
76 item_src: InFile<ast::Use>, 76 item_src: InFile<ast::Use>,
77 hygiene: &Hygiene, 77 hygiene: &Hygiene,
diff --git a/crates/hir_def/src/path/lower.rs b/crates/hir_def/src/path/lower.rs
index 5d5dd9c8f..54ede7393 100644
--- a/crates/hir_def/src/path/lower.rs
+++ b/crates/hir_def/src/path/lower.rs
@@ -205,15 +205,14 @@ fn lower_generic_args_from_fn_path(
205) -> Option<GenericArgs> { 205) -> Option<GenericArgs> {
206 let mut args = Vec::new(); 206 let mut args = Vec::new();
207 let mut bindings = Vec::new(); 207 let mut bindings = Vec::new();
208 if let Some(params) = params { 208 let params = params?;
209 let mut param_types = Vec::new(); 209 let mut param_types = Vec::new();
210 for param in params.params() { 210 for param in params.params() {
211 let type_ref = TypeRef::from_ast_opt(&ctx, param.ty()); 211 let type_ref = TypeRef::from_ast_opt(&ctx, param.ty());
212 param_types.push(type_ref); 212 param_types.push(type_ref);
213 }
214 let arg = GenericArg::Type(TypeRef::Tuple(param_types));
215 args.push(arg);
216 } 213 }
214 let arg = GenericArg::Type(TypeRef::Tuple(param_types));
215 args.push(arg);
217 if let Some(ret_type) = ret_type { 216 if let Some(ret_type) = ret_type {
218 let type_ref = TypeRef::from_ast_opt(&ctx, ret_type.ty()); 217 let type_ref = TypeRef::from_ast_opt(&ctx, ret_type.ty());
219 bindings.push(AssociatedTypeBinding { 218 bindings.push(AssociatedTypeBinding {
@@ -221,10 +220,14 @@ fn lower_generic_args_from_fn_path(
221 type_ref: Some(type_ref), 220 type_ref: Some(type_ref),
222 bounds: Vec::new(), 221 bounds: Vec::new(),
223 }); 222 });
224 }
225 if args.is_empty() && bindings.is_empty() {
226 None
227 } else { 223 } else {
228 Some(GenericArgs { args, has_self_type: false, bindings }) 224 // -> ()
225 let type_ref = TypeRef::Tuple(Vec::new());
226 bindings.push(AssociatedTypeBinding {
227 name: name![Output],
228 type_ref: Some(type_ref),
229 bounds: Vec::new(),
230 });
229 } 231 }
232 Some(GenericArgs { args, has_self_type: false, bindings })
230} 233}
diff --git a/crates/hir_def/src/resolver.rs b/crates/hir_def/src/resolver.rs
index 0391cc49b..fb8a6f260 100644
--- a/crates/hir_def/src/resolver.rs
+++ b/crates/hir_def/src/resolver.rs
@@ -337,22 +337,34 @@ impl Resolver {
337 pub fn traits_in_scope(&self, db: &dyn DefDatabase) -> FxHashSet<TraitId> { 337 pub fn traits_in_scope(&self, db: &dyn DefDatabase) -> FxHashSet<TraitId> {
338 let mut traits = FxHashSet::default(); 338 let mut traits = FxHashSet::default();
339 for scope in &self.scopes { 339 for scope in &self.scopes {
340 if let Scope::ModuleScope(m) = scope { 340 match scope {
341 if let Some(prelude) = m.def_map.prelude() { 341 Scope::ModuleScope(m) => {
342 let prelude_def_map = prelude.def_map(db); 342 if let Some(prelude) = m.def_map.prelude() {
343 traits.extend(prelude_def_map[prelude.local_id].scope.traits());
344 }
345 traits.extend(m.def_map[m.module_id].scope.traits());
346
347 // Add all traits that are in scope because of the containing DefMaps
348 m.def_map.with_ancestor_maps(db, m.module_id, &mut |def_map, module| {
349 if let Some(prelude) = def_map.prelude() {
350 let prelude_def_map = prelude.def_map(db); 343 let prelude_def_map = prelude.def_map(db);
351 traits.extend(prelude_def_map[prelude.local_id].scope.traits()); 344 traits.extend(prelude_def_map[prelude.local_id].scope.traits());
352 } 345 }
353 traits.extend(def_map[module].scope.traits()); 346 traits.extend(m.def_map[m.module_id].scope.traits());
354 None::<()> 347
355 }); 348 // Add all traits that are in scope because of the containing DefMaps
349 m.def_map.with_ancestor_maps(db, m.module_id, &mut |def_map, module| {
350 if let Some(prelude) = def_map.prelude() {
351 let prelude_def_map = prelude.def_map(db);
352 traits.extend(prelude_def_map[prelude.local_id].scope.traits());
353 }
354 traits.extend(def_map[module].scope.traits());
355 None::<()>
356 });
357 }
358 &Scope::ImplDefScope(impl_) => {
359 if let Some(target_trait) = &db.impl_data(impl_).target_trait {
360 if let Some(TypeNs::TraitId(trait_)) =
361 self.resolve_path_in_type_ns_fully(db, target_trait.path.mod_path())
362 {
363 traits.insert(trait_);
364 }
365 }
366 }
367 _ => (),
356 } 368 }
357 } 369 }
358 traits 370 traits
diff --git a/crates/hir_def/src/test_db.rs b/crates/hir_def/src/test_db.rs
index 8fa703a57..6c357c915 100644
--- a/crates/hir_def/src/test_db.rs
+++ b/crates/hir_def/src/test_db.rs
@@ -5,19 +5,20 @@ use std::{
5 sync::{Arc, Mutex}, 5 sync::{Arc, Mutex},
6}; 6};
7 7
8use base_db::{salsa, CrateId, FileId, FileLoader, FileLoaderDelegate, FilePosition, Upcast}; 8use base_db::{
9 salsa, CrateId, FileId, FileLoader, FileLoaderDelegate, FilePosition, FileRange, Upcast,
10};
9use base_db::{AnchoredPath, SourceDatabase}; 11use base_db::{AnchoredPath, SourceDatabase};
10use hir_expand::diagnostics::Diagnostic;
11use hir_expand::diagnostics::DiagnosticSinkBuilder;
12use hir_expand::{db::AstDatabase, InFile}; 12use hir_expand::{db::AstDatabase, InFile};
13use rustc_hash::FxHashMap; 13use rustc_hash::FxHashMap;
14use rustc_hash::FxHashSet; 14use rustc_hash::FxHashSet;
15use syntax::{algo, ast, AstNode, TextRange, TextSize}; 15use syntax::{algo, ast, AstNode, SyntaxNode, SyntaxNodePtr, TextRange, TextSize};
16use test_utils::extract_annotations; 16use test_utils::extract_annotations;
17 17
18use crate::{ 18use crate::{
19 body::BodyDiagnostic,
19 db::DefDatabase, 20 db::DefDatabase,
20 nameres::{DefMap, ModuleSource}, 21 nameres::{diagnostics::DefDiagnosticKind, DefMap, ModuleSource},
21 src::HasSource, 22 src::HasSource,
22 LocalModuleId, Lookup, ModuleDefId, ModuleId, 23 LocalModuleId, Lookup, ModuleDefId, ModuleId,
23}; 24};
@@ -262,19 +263,70 @@ impl TestDB {
262 .collect() 263 .collect()
263 } 264 }
264 265
265 pub(crate) fn diagnostics<F: FnMut(&dyn Diagnostic)>(&self, mut cb: F) { 266 pub(crate) fn diagnostics(&self, cb: &mut dyn FnMut(FileRange, String)) {
266 let crate_graph = self.crate_graph(); 267 let crate_graph = self.crate_graph();
267 for krate in crate_graph.iter() { 268 for krate in crate_graph.iter() {
268 let crate_def_map = self.crate_def_map(krate); 269 let crate_def_map = self.crate_def_map(krate);
269 270
270 let mut sink = DiagnosticSinkBuilder::new().build(&mut cb); 271 for diag in crate_def_map.diagnostics() {
271 for (module_id, module) in crate_def_map.modules() { 272 let (node, message): (InFile<SyntaxNode>, &str) = match &diag.kind {
272 crate_def_map.add_diagnostics(self, module_id, &mut sink); 273 DefDiagnosticKind::UnresolvedModule { ast, .. } => {
274 let node = ast.to_node(self.upcast());
275 (InFile::new(ast.file_id, node.syntax().clone()), "UnresolvedModule")
276 }
277 DefDiagnosticKind::UnresolvedExternCrate { ast, .. } => {
278 let node = ast.to_node(self.upcast());
279 (InFile::new(ast.file_id, node.syntax().clone()), "UnresolvedExternCrate")
280 }
281 DefDiagnosticKind::UnresolvedImport { ast, .. } => {
282 let node = ast.to_node(self.upcast());
283 (InFile::new(ast.file_id, node.syntax().clone()), "UnresolvedImport")
284 }
285 DefDiagnosticKind::UnconfiguredCode { ast, .. } => {
286 let node = ast.to_node(self.upcast());
287 (InFile::new(ast.file_id, node.syntax().clone()), "UnconfiguredCode")
288 }
289 DefDiagnosticKind::UnresolvedProcMacro { ast, .. } => {
290 (ast.to_node(self.upcast()), "UnresolvedProcMacro")
291 }
292 DefDiagnosticKind::UnresolvedMacroCall { ast, .. } => {
293 let node = ast.to_node(self.upcast());
294 (InFile::new(ast.file_id, node.syntax().clone()), "UnresolvedMacroCall")
295 }
296 DefDiagnosticKind::MacroError { ast, message } => {
297 (ast.to_node(self.upcast()), message.as_str())
298 }
299 };
300
301 let frange = node.as_ref().original_file_range(self);
302 cb(frange, message.to_string())
303 }
273 304
305 for (_module_id, module) in crate_def_map.modules() {
274 for decl in module.scope.declarations() { 306 for decl in module.scope.declarations() {
275 if let ModuleDefId::FunctionId(it) = decl { 307 if let ModuleDefId::FunctionId(it) = decl {
276 let source_map = self.body_with_source_map(it.into()).1; 308 let source_map = self.body_with_source_map(it.into()).1;
277 source_map.add_diagnostics(self, &mut sink); 309 for diag in source_map.diagnostics() {
310 let (ptr, message): (InFile<SyntaxNodePtr>, &str) = match diag {
311 BodyDiagnostic::InactiveCode { node, .. } => {
312 (node.clone().map(|it| it.into()), "InactiveCode")
313 }
314 BodyDiagnostic::MacroError { node, message } => {
315 (node.clone().map(|it| it.into()), message.as_str())
316 }
317 BodyDiagnostic::UnresolvedProcMacro { node } => {
318 (node.clone().map(|it| it.into()), "UnresolvedProcMacro")
319 }
320 BodyDiagnostic::UnresolvedMacroCall { node, .. } => {
321 (node.clone().map(|it| it.into()), "UnresolvedMacroCall")
322 }
323 };
324
325 let root = self.parse_or_expand(ptr.file_id).unwrap();
326 let node = ptr.map(|ptr| ptr.to_node(&root));
327 let frange = node.as_ref().original_file_range(self);
328 cb(frange, message.to_string())
329 }
278 } 330 }
279 } 331 }
280 } 332 }
@@ -287,14 +339,7 @@ impl TestDB {
287 assert!(!annotations.is_empty()); 339 assert!(!annotations.is_empty());
288 340
289 let mut actual: FxHashMap<FileId, Vec<(TextRange, String)>> = FxHashMap::default(); 341 let mut actual: FxHashMap<FileId, Vec<(TextRange, String)>> = FxHashMap::default();
290 db.diagnostics(|d| { 342 db.diagnostics(&mut |frange, message| {
291 let src = d.display_source();
292 let root = db.parse_or_expand(src.file_id).unwrap();
293
294 let node = src.map(|ptr| ptr.to_node(&root));
295 let frange = node.as_ref().original_file_range(db);
296
297 let message = d.message();
298 actual.entry(frange.file_id).or_default().push((frange.range, message)); 343 actual.entry(frange.file_id).or_default().push((frange.range, message));
299 }); 344 });
300 345
@@ -319,7 +364,7 @@ impl TestDB {
319 assert!(annotations.is_empty()); 364 assert!(annotations.is_empty());
320 365
321 let mut has_diagnostics = false; 366 let mut has_diagnostics = false;
322 db.diagnostics(|_| { 367 db.diagnostics(&mut |_, _| {
323 has_diagnostics = true; 368 has_diagnostics = true;
324 }); 369 });
325 370
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 23:53:30 +0000