a parse error reaches the host as the span the parser saw, and the end of the input is the host's own error whatever was being read

packages/svelte/src/compiler/phases/1-parse/js.js

@@ -169,15 +169,7 @@ export function read_params(parser) {
 export function read_statement(parser) {
 	const start = parser.index;
 
-	const answer = read(parser, (js) => {
-		try {
-			return js.parseStatementAt(start);
-		} catch (err) {
-			if (/** @type {any} */ (err).code === 'unexpected_eof')
-				e.unexpected_eof(parser.template.length);
-			throw err;
-		}
-	});
+	const answer = read(parser, (js) => js.parseStatementAt(start));
 	keep_tables(answer.node, tables(answer));
 	return answer.node;
 }
@@ -209,7 +201,8 @@ function unsupported(kept) {
  * @returns {never}
  */
 function handle_parse_error(err) {
-	e.js_parse_error(err.pos, err.message);
+	if (err.code === 'unexpected_eof') e.unexpected_eof(err.pos);
+	e.js_parse_error({ start: err.pos, end: err.end }, err.message);
 }
 
 /**

packages/svelte/tests/compiler-errors/samples/malformed-snippet-2/_config.js

@@ -4,6 +4,6 @@ export default test({
 	error: {
 		code: 'js_parse_error',
 		message: 'Unexpected token',
-		position: [21, 21]
+		position: [21, 22]
 	}
 });

packages/svelte/tests/validator/samples/each-block-invalid-context-destructured/errors.json

@@ -8,7 +8,7 @@
 		},
 		"end": {
 			"line": 1,
-			"column": 17
+			"column": 21
 		}
 	}
 ]