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Fix the parsing/scanning of empty return statement (#3468)

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This patch fixes #3467.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik 2019-12-19 19:31:59 +01:00 committed by Zoltan Herczeg
parent 9596a7e1d6
commit ea5ad2a06f
3 changed files with 17 additions and 0 deletions
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1
jerry-core/parser/js/js-parser-statm.c
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@ -2914,6 +2914,7 @@ parser_parse_statements (parser_context_t *context_p) /**< context */
if ((context_p->token.flags & LEXER_WAS_NEWLINE)
|| context_p->token.type == LEXER_SEMICOLON
|| context_p->token.type == LEXER_EOS
|| context_p->token.type == LEXER_RIGHT_BRACE)
{
#if ENABLED (JERRY_ES2015)

1
jerry-core/parser/js/js-scanner.c
View File

@ -1591,6 +1591,7 @@ scanner_scan_statement (parser_context_t *context_p, /**< context */
if (!(context_p->token.flags & LEXER_WAS_NEWLINE)
&& context_p->token.type != LEXER_SEMICOLON
&& context_p->token.type != LEXER_EOS
&& context_p->token.type != LEXER_RIGHT_BRACE)
{
scanner_context_p->mode = SCAN_MODE_PRIMARY_EXPRESSION;

15
tests/jerry/regression-test-issue-3467.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.
assert(new Function("return")() === undefined);