fix: 複数行コメントの*/がないと文法エラーが出るように (#887)

* Fix: 複数行コメントの*/がないと文法エラーが出るように

* CHANGELOG削除

Author: takejohn

src/parser/scanner.ts

@@ -628,10 +628,13 @@ export class Scanner implements ITokenStream {
 	private skipCommentRange(): void {
 		while (true) {
 			if (this.stream.eof) {
-				break;
+				throw new AiScriptUnexpectedEOFError(this.stream.getPos());
 			}
 			if (this.stream.char === '*') {
 				this.stream.next();
+				if (this.stream.eof) {
+					throw new AiScriptUnexpectedEOFError(this.stream.getPos());
+				}
 				if ((this.stream.char as string) === '/') {
 					this.stream.next();
 					break;

test/syntax.ts

@@ -2,7 +2,7 @@ import * as assert from 'assert';
 import { describe, test } from 'vitest';
 import { utils } from '../src';
 import { NUM, STR, NULL, ARR, OBJ, BOOL, TRUE, FALSE, ERROR ,FN_NATIVE } from '../src/interpreter/value';
-import { AiScriptRuntimeError } from '../src/error';
+import { AiScriptRuntimeError, AiScriptUnexpectedEOFError } from '../src/error';
 import { exe, getMeta, eq } from './testutils';
 
 /*
@@ -514,6 +514,16 @@ describe('Comment', () => {
 		`);
 		eq(res, STR('a'));
 	});
+
+	test.concurrent('invalid EOF in multi line comment', async () => {
+		await assert.rejects(() => exe(`
+		/* comment
+		`), AiScriptUnexpectedEOFError);
+	});
+
+	test.concurrent('invalid EOF in multi line comment 2', async () => {
+		await assert.rejects(() => exe('/* comment *'), AiScriptUnexpectedEOFError);
+	});
 });
 
 describe('lang version', () => {