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Propagate strict mode flag from scanner when parsing functions (#4262)

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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
2020-10-06 10:25:13 +02:00
committed by GitHub
parent fb1c21beb7
commit 17c8ec57bb
4 changed files with 20 additions and 1 deletions
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jerry-core/parser/js/js-parser.c
+14
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@@ -1822,6 +1822,7 @@ parser_parse_function_arguments (parser_context_t *context_p, /**< context */
#if ENABLED (JERRY_ESNEXT)
bool has_complex_argument = (context_p->next_scanner_info_p->u8_arg & SCANNER_FUNCTION_HAS_COMPLEX_ARGUMENT) != 0;
#endif /* ENABLED (JERRY_ESNEXT) */
bool is_strict = (context_p->next_scanner_info_p->u8_arg & SCANNER_FUNCTION_IS_STRICT) != 0;
scanner_create_variables (context_p, SCANNER_CREATE_VARS_IS_FUNCTION_ARGS);
scanner_set_active (context_p);
@@ -2099,6 +2100,11 @@ parser_parse_function_arguments (parser_context_t *context_p, /**< context */
#endif /* ENABLED (JERRY_ESNEXT) */
scanner_create_variables (context_p, SCANNER_CREATE_VARS_IS_FUNCTION_BODY);
if (is_strict)
{
context_p->status_flags |= PARSER_IS_STRICT;
}
} /* parser_parse_function_arguments */
#ifndef JERRY_NDEBUG
@@ -2264,6 +2270,14 @@ parser_parse_source (const uint8_t *arg_list_p, /**< function argument list */
context.module_current_node_p = NULL;
#endif /* ENABLED (JERRY_MODULE_SYSTEM) */
JERRY_ASSERT (context.next_scanner_info_p->source_p == context.source_p);
JERRY_ASSERT (context.next_scanner_info_p->type == SCANNER_TYPE_FUNCTION);
if (context.next_scanner_info_p->u8_arg & SCANNER_FUNCTION_IS_STRICT)
{
context.status_flags |= PARSER_IS_STRICT;
}
PARSER_TRY (context.try_buffer)
{
/* Pushing a dummy value ensures the stack is never empty.