Rollup merge of #107425 - clubby789:match-range-missing-space, r=compiler-errors

Check for missing space between fat arrow and range pattern

Fixes #107420

Ideally we wouldn't emit an error about expecting `=>` etc., but I'm not sure how to recover from this.

`@rustbot` label +A-diagnostics

1 files changed, 42 insertions, 0 deletions

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 40763da0bb5..054b41b478d 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -649,6 +649,48 @@ pub(crate) struct MatchArmBodyWithoutBraces {
     pub sub: MatchArmBodyWithoutBracesSugg,
 }
 
+#[derive(Diagnostic)]
+#[diag(parse_inclusive_range_extra_equals)]
+#[note]
+pub(crate) struct InclusiveRangeExtraEquals {
+    #[primary_span]
+    #[suggestion(
+        suggestion_remove_eq,
+        style = "short",
+        code = "..=",
+        applicability = "maybe-incorrect"
+    )]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(parse_inclusive_range_match_arrow)]
+pub(crate) struct InclusiveRangeMatchArrow {
+    #[primary_span]
+    pub span: Span,
+    #[suggestion(
+        suggestion_add_space,
+        style = "verbose",
+        code = " ",
+        applicability = "machine-applicable"
+    )]
+    pub after_pat: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(parse_inclusive_range_no_end, code = "E0586")]
+#[note]
+pub(crate) struct InclusiveRangeNoEnd {
+    #[primary_span]
+    #[suggestion(
+        suggestion_open_range,
+        code = "..",
+        applicability = "machine-applicable",
+        style = "short"
+    )]
+    pub span: Span,
+}
+
 #[derive(Subdiagnostic)]
 pub(crate) enum MatchArmBodyWithoutBracesSugg {
     #[multipart_suggestion(suggestion_add_braces, applicability = "machine-applicable")]