Improve switch's diagnostics

rottlib/tests/parser_diagnostics/mod.rs

@@ -9,6 +9,7 @@ mod block_items;
 mod control_flow_expressions;
 mod primary_expressions;
 mod selector_expressions;
+mod switch_expressions;
 
 #[derive(Debug)]
 pub(super) struct ExpectedLabel {

rottlib/tests/parser_diagnostics/selector_expressions.rs

@@ -397,7 +397,7 @@ pub(super) const P0033_FIXTURES: &[Fixture] = &[
     },
     Fixture {
         label: "files/P0033_02.uc",
-        source: "{\n    Func\n    (A\n        :,\n        B);\n    Log(\"after\");\n}\n",
+        source: "{\n    Func\n    (A\n        #,\n        B);\n    Log(\"after\");\n}\n",
     },
     Fixture {
         label: "files/P0033_03.uc",
@@ -670,7 +670,7 @@ fn check_p0033_fixtures() {
     assert_diagnostic(
         &runs.get_any("files/P0033_02.uc"),
         &ExpectedDiagnostic {
-            headline: "expected `,` or `)` after argument, found `:`",
+            headline: "expected `,` or `)` after argument, found `#`",
             severity: Severity::Error,
             code: Some("P0033"),
             primary_label: Some(ExpectedLabel {
@@ -678,7 +678,7 @@ fn check_p0033_fixtures() {
                     start: TokenPosition(10),
                     end: TokenPosition(10),
                 },
-                message: "unexpected `:`",
+                message: "unexpected `#`",
             }),
             secondary_labels: &[
                 ExpectedLabel {