From c6509a4592b67acc4a99a7ffd6dd688bc6cd29be Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 13 Jun 2021 15:27:15 +0300
Subject: internal: move missing_fields diagnostics

---
 crates/hir/src/diagnostics.rs | 43 ++-----------------------------------------
 crates/hir/src/lib.rs         | 33 ++++++++++++++++++---------------
 2 files changed, 20 insertions(+), 56 deletions(-)

(limited to 'crates/hir')

diff --git a/crates/hir/src/diagnostics.rs b/crates/hir/src/diagnostics.rs
index 5e2f94698..a5e982b75 100644
--- a/crates/hir/src/diagnostics.rs
+++ b/crates/hir/src/diagnostics.rs
@@ -16,7 +16,7 @@ pub use crate::diagnostics_sink::{
 };
 
 macro_rules! diagnostics {
-    ($($diag:ident)*) => {
+    ($($diag:ident),*) => {
         pub enum AnyDiagnostic {$(
             $diag(Box<$diag>),
         )*}
@@ -31,7 +31,7 @@ macro_rules! diagnostics {
     };
 }
 
-diagnostics![UnresolvedModule];
+diagnostics![UnresolvedModule, MissingFields];
 
 #[derive(Debug)]
 pub struct UnresolvedModule {
@@ -321,17 +321,6 @@ impl Diagnostic for MissingUnsafe {
     }
 }
 
-// Diagnostic: missing-structure-fields
-//
-// This diagnostic is triggered if record lacks some fields that exist in the corresponding structure.
-//
-// Example:
-//
-// ```rust
-// struct A { a: u8, b: u8 }
-//
-// let a = A { a: 10 };
-// ```
 #[derive(Debug)]
 pub struct MissingFields {
     pub file: HirFileId,
@@ -340,34 +329,6 @@ pub struct MissingFields {
     pub missed_fields: Vec<Name>,
 }
 
-impl Diagnostic for MissingFields {
-    fn code(&self) -> DiagnosticCode {
-        DiagnosticCode("missing-structure-fields")
-    }
-    fn message(&self) -> String {
-        let mut buf = String::from("Missing structure fields:\n");
-        for field in &self.missed_fields {
-            format_to!(buf, "- {}\n", field);
-        }
-        buf
-    }
-
-    fn display_source(&self) -> InFile<SyntaxNodePtr> {
-        InFile {
-            file_id: self.file,
-            value: self
-                .field_list_parent_path
-                .clone()
-                .map(SyntaxNodePtr::from)
-                .unwrap_or_else(|| self.field_list_parent.clone().into()),
-        }
-    }
-
-    fn as_any(&self) -> &(dyn Any + Send + 'static) {
-        self
-    }
-}
-
 // Diagnostic: missing-pat-fields
 //
 // This diagnostic is triggered if pattern lacks some fields that exist in the corresponding structure.
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index ff6c68dbc..583d92f20 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -609,23 +609,21 @@ impl Module {
         }
         for decl in self.declarations(db) {
             match decl {
-                crate::ModuleDef::Function(f) => f.diagnostics(db, sink, internal_diagnostics),
-                crate::ModuleDef::Module(m) => {
+                ModuleDef::Function(f) => acc.extend(f.diagnostics(db, sink, internal_diagnostics)),
+                ModuleDef::Module(m) => {
                     // Only add diagnostics from inline modules
                     if def_map[m.id.local_id].origin.is_inline() {
                         acc.extend(m.diagnostics(db, sink, internal_diagnostics))
                     }
                 }
-                _ => {
-                    decl.diagnostics(db, sink);
-                }
+                _ => decl.diagnostics(db, sink),
             }
         }
 
         for impl_def in self.impl_defs(db) {
             for item in impl_def.items(db) {
                 if let AssocItem::Function(f) = item {
-                    f.diagnostics(db, sink, internal_diagnostics);
+                    acc.extend(f.diagnostics(db, sink, internal_diagnostics));
                 }
             }
         }
@@ -1033,7 +1031,8 @@ impl Function {
         db: &dyn HirDatabase,
         sink: &mut DiagnosticSink,
         internal_diagnostics: bool,
-    ) {
+    ) -> Vec<AnyDiagnostic> {
+        let mut acc: Vec<AnyDiagnostic> = Vec::new();
         let krate = self.module(db).id.krate();
 
         let source_map = db.body_with_source_map(self.id.into()).1;
@@ -1114,14 +1113,17 @@ impl Function {
                                     .into_iter()
                                     .map(|idx| variant_data.fields()[idx].name.clone())
                                     .collect();
-                                sink.push(MissingFields {
-                                    file: source_ptr.file_id,
-                                    field_list_parent: AstPtr::new(record_expr),
-                                    field_list_parent_path: record_expr
-                                        .path()
-                                        .map(|path| AstPtr::new(&path)),
-                                    missed_fields,
-                                })
+                                acc.push(
+                                    MissingFields {
+                                        file: source_ptr.file_id,
+                                        field_list_parent: AstPtr::new(record_expr),
+                                        field_list_parent_path: record_expr
+                                            .path()
+                                            .map(|path| AstPtr::new(&path)),
+                                        missed_fields,
+                                    }
+                                    .into(),
+                                )
                             }
                         }
                     }
@@ -1234,6 +1236,7 @@ impl Function {
         for diag in hir_ty::diagnostics::validate_module_item(db, krate, self.id.into()) {
             sink.push(diag)
         }
+        acc
     }
 
     /// Whether this function declaration has a definition.
-- 
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