archive-gh-me/jerryscript
1
0
Fork 0
mirror of https://github.com/jerryscript-project/jerryscript.git synced 2025-12-15 16:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Fix the usage of escaped identifiers in scanner_scope_find_let_declaration (#3317)

Browse Source 
This patch fixes #3313.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik 2019-11-14 14:46:01 +01:00 committed by GitHub
parent 12184d7922
commit 8eda9bc1c3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
jerry-core/parser/js/js-scanner-util.c
View File

@ -1010,6 +1010,8 @@ scanner_scope_find_let_declaration (parser_context_t *context_p, /**< context */
{
uint8_t *destination_p = (uint8_t *) scanner_malloc (context_p, literal_p->length);
lexer_convert_ident_to_utf8 (literal_p->char_p, destination_p, literal_p->length);
name_p = ecma_new_ecma_string_from_utf8 (destination_p, literal_p->length);
scanner_free (destination_p, literal_p->length);
}

20
tests/jerry/regression-test-issue-3313.js Normal file
View File

@ -0,0 +1,20 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
try {
eval("var" + "\u2029" + 'g\\u0065t: break get' );
assert (false);
} catch (e) {
assert (e instanceof SyntaxError);
}