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Fix parsing unterminated let statement (#4808)

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This patch fixes #4754

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik robert.fancsik@h-lab.eu
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Robert Fancsik 2021-11-02 08:36:16 +01:00 committed by GitHub
parent 9ed695f9d2
commit efe63a5bbc
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2 changed files with 20 additions and 1 deletions
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6
jerry-core/parser/js/js-parser-statm.c
View File

@ -1550,6 +1550,10 @@ parser_parse_for_statement_start (parser_context_t *context_p) /**< context */
break;
}
/* FALLTHRU */
}
case LEXER_KEYW_LET:
{
if (context_p->next_scanner_info_p->source_p == context_p->source_p
&& context_p->next_scanner_info_p->type != SCANNER_TYPE_BLOCK)
{
@ -1563,9 +1567,9 @@ parser_parse_for_statement_start (parser_context_t *context_p) /**< context */
}
context_p->token.type = LEXER_KEYW_LET;
/* FALLTHRU */
}
case LEXER_KEYW_LET:
case LEXER_KEYW_CONST:
{
if (context_p->next_scanner_info_p->source_p == source_p)

15
tests/jerry/fail/regression-test-issue-4754.js Normal file
View File

@ -0,0 +1,15 @@
// 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.
class a { b() { for (let