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authorMáté Tokodi <mate.tokodi@szteszoftver.hu>2024-02-01 00:34:37 +0100
committerGitHub <noreply@github.com>2024-02-01 00:34:37 +0100
commit52debe85898f84a980d18ec09713d43cee3a9f90 (patch)
tree613e09a81f1ed34727f177709a56ef46e7ff0867
parent514fa6735a5d7ff3093571c921120e3487734be9 (diff)
Fix arrow function parsing (#5093)
This fixes #5085 JerryScript-DCO-1.0-Signed-off-by: Máté Tokodi mate.tokodi@szteszoftver.hu
-rw-r--r--jerry-core/parser/js/js-parser.c8
-rw-r--r--tests/jerry/fail/regression-test-issue-5085.js17
2 files changed, 24 insertions, 1 deletions
diff --git a/jerry-core/parser/js/js-parser.c b/jerry-core/parser/js/js-parser.c
index ecf7cd39..8f241b6a 100644
--- a/jerry-core/parser/js/js-parser.c
+++ b/jerry-core/parser/js/js-parser.c
@@ -2829,6 +2829,7 @@ parser_parse_arrow_function (parser_context_t *context_p, /**< context */
JERRY_ASSERT (context_p->token.type == LEXER_ARROW);
lexer_next_token (context_p);
+ bool next_token_needed = false;
if (context_p->token.type == LEXER_LEFT_BRACE)
{
@@ -2839,7 +2840,7 @@ parser_parse_arrow_function (parser_context_t *context_p, /**< context */
/* Unlike normal function, arrow functions consume their close brace. */
JERRY_ASSERT (context_p->token.type == LEXER_RIGHT_BRACE);
- lexer_next_token (context_p);
+ next_token_needed = true;
}
else
{
@@ -2878,6 +2879,11 @@ parser_parse_arrow_function (parser_context_t *context_p, /**< context */
parser_restore_context (context_p, &saved_context);
+ if (next_token_needed)
+ {
+ lexer_next_token (context_p);
+ }
+
return compiled_code_p;
} /* parser_parse_arrow_function */
diff --git a/tests/jerry/fail/regression-test-issue-5085.js b/tests/jerry/fail/regression-test-issue-5085.js
new file mode 100644
index 00000000..626aea02
--- /dev/null
+++ b/tests/jerry/fail/regression-test-issue-5085.js
@@ -0,0 +1,17 @@
+// 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.
+
+async () => {}
+await Symbol;
+class B{}