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Exporting undeclared variables should throw a SyntaxError (#4276)

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JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai daniel.batyai@h-lab.eu
This commit is contained in:
Dániel Bátyai
2020-10-15 14:48:25 +02:00
committed by GitHub
parent f6cf1400bd
commit 650269feca
9 changed files with 62 additions and 4 deletions
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jerry-core/parser/js/js-parser-module.c
+15
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@@ -353,6 +353,15 @@ parser_module_create_module_node (parser_context_t *context_p) /**< parser conte
void
parser_module_parse_export_clause (parser_context_t *context_p) /**< parser context */
{
bool has_module_specifier = false;
if (context_p->source_p == context_p->next_scanner_info_p->source_p)
{
has_module_specifier = true;
JERRY_ASSERT (context_p->next_scanner_info_p->type == SCANNER_TYPE_EXPORT_MODULE_SPECIFIER);
scanner_release_next (context_p, sizeof (scanner_info_t));
}
JERRY_ASSERT (context_p->token.type == LEXER_LEFT_BRACE);
lexer_next_token (context_p);
@@ -377,6 +386,12 @@ parser_module_parse_export_clause (parser_context_t *context_p) /**< parser cont
lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_NEW_IDENT_LITERAL);
if (!has_module_specifier
&& !scanner_literal_exists (context_p, context_p->lit_object.index))
{
parser_raise_error (context_p, PARSER_ERR_EXPORT_NOT_DEFINED);
}
uint16_t local_name_index = context_p->lit_object.index;
uint16_t export_name_index = PARSER_MAXIMUM_NUMBER_OF_LITERALS;