From 8d391ec981562785ec92ce3afe950972c523f925 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 13 Jun 2021 20:06:25 +0300
Subject: internal: refactor mismatched args count diagnostic

---
 crates/hir/src/diagnostics.rs | 26 ++------------------------
 crates/hir/src/lib.rs         |  9 +++------
 2 files changed, 5 insertions(+), 30 deletions(-)

(limited to 'crates/hir/src')

diff --git a/crates/hir/src/diagnostics.rs b/crates/hir/src/diagnostics.rs
index f7bf63215..f839616ce 100644
--- a/crates/hir/src/diagnostics.rs
+++ b/crates/hir/src/diagnostics.rs
@@ -35,6 +35,7 @@ diagnostics![
     BreakOutsideOfLoop,
     InactiveCode,
     MacroError,
+    MismatchedArgCount,
     MissingFields,
     MissingUnsafe,
     NoSuchField,
@@ -143,36 +144,13 @@ impl Diagnostic for ReplaceFilterMapNextWithFindMap {
     }
 }
 
-// Diagnostic: mismatched-arg-count
-//
-// This diagnostic is triggered if a function is invoked with an incorrect amount of arguments.
 #[derive(Debug)]
 pub struct MismatchedArgCount {
-    pub file: HirFileId,
-    pub call_expr: AstPtr<ast::Expr>,
+    pub call_expr: InFile<AstPtr<ast::Expr>>,
     pub expected: usize,
     pub found: usize,
 }
 
-impl Diagnostic for MismatchedArgCount {
-    fn code(&self) -> DiagnosticCode {
-        DiagnosticCode("mismatched-arg-count")
-    }
-    fn message(&self) -> String {
-        let s = if self.expected == 1 { "" } else { "s" };
-        format!("Expected {} argument{}, found {}", self.expected, s, self.found)
-    }
-    fn display_source(&self) -> InFile<SyntaxNodePtr> {
-        InFile { file_id: self.file, value: self.call_expr.clone().into() }
-    }
-    fn as_any(&self) -> &(dyn Any + Send + 'static) {
-        self
-    }
-    fn is_experimental(&self) -> bool {
-        true
-    }
-}
-
 #[derive(Debug)]
 pub struct RemoveThisSemicolon {
     pub file: HirFileId,
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index 16f862707..c1af5f097 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -1176,12 +1176,9 @@ impl Function {
                 }
                 BodyValidationDiagnostic::MismatchedArgCount { call_expr, expected, found } => {
                     match source_map.expr_syntax(call_expr) {
-                        Ok(source_ptr) => sink.push(MismatchedArgCount {
-                            file: source_ptr.file_id,
-                            call_expr: source_ptr.value,
-                            expected,
-                            found,
-                        }),
+                        Ok(source_ptr) => acc.push(
+                            MismatchedArgCount { call_expr: source_ptr, expected, found }.into(),
+                        ),
                         Err(SyntheticSyntax) => (),
                     }
                 }
-- 
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