Use comment source location in validation error

src/parser/ValidationError.ts

@@ -1,5 +1,7 @@
+import { SourceLocation } from "./tokenizer";
+
 export class ValidationError extends Error {
-  constructor(msg: string) {
-    super(msg);
+  constructor(msg: string, { row, col }: SourceLocation) {
+    super(`${msg} at line ${row + 1} char ${col + 1}`);
   }
 }

src/parser/parser.test.ts

@@ -563,8 +563,6 @@ Interval: 2:00 90%
   @ 0:00 Find your rythm.
   @ 3:10 Try to settle in for the effort
 `),
-    ).toThrowErrorMatchingInlineSnapshot(
-      `"Comment \\"@ 190 Try to settle in for the effort\\" has offset outside of interval"`,
-    );
+    ).toThrowErrorMatchingInlineSnapshot(`"Comment offset is larger than interval length at line 5 char 5"`);
   });
 });

src/parser/validate.ts

@@ -8,7 +8,7 @@ const isCommentWithinInterval = (comment: Comment, interval: Interval): boolean
 const validateCommentOffsets = (interval: Interval) => {
   for (const comment of interval.comments) {
     if (!isCommentWithinInterval(comment, interval)) {
-      throw new ValidationError(`Comment "@ ${comment.offset.seconds} ${comment.text}" has offset outside of interval`);
+      throw new ValidationError(`Comment offset is larger than interval length`, comment.loc);
     }
   }
 };