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Fix argument list end validation after destructuring argument (#4070)

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This patch fixes #4050.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
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Robert Fancsik 2020-07-28 10:53:08 +02:00 committed by GitHub
parent edab1964c2
commit 4d5757d1b1
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 0 deletions
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7
jerry-core/parser/js/js-parser.c
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@ -1877,6 +1877,13 @@ parser_parse_function_arguments (parser_context_t *context_p, /**< context */
if (context_p->token.type != LEXER_COMMA)
{
if (context_p->token.type != end_type)
{
parser_error_t error = ((end_type == LEXER_RIGHT_PAREN) ? PARSER_ERR_RIGHT_PAREN_EXPECTED
: PARSER_ERR_IDENTIFIER_EXPECTED);
parser_raise_error (context_p, error);
}
break;
}

23
tests/jerry/es.next/regression-test-issue-4050.js Normal file
View File

@ -0,0 +1,23 @@
// 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(`function write([a] of { }
(function Test1() {
write("");
});`);
assert(false);
} catch (e) {
assert (e instanceof SyntaxError);
}