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Implement rest parameter support for destructuring object patterns. (#4318)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-10-29 10:49:08 +01:00
committed by GitHub
parent 484e999dec
commit c7986fd2c5
22 changed files with 632 additions and 528 deletions
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jerry-core/parser/js/js-parser-statm.c
+10 -2
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@@ -1430,13 +1430,21 @@ parser_parse_for_statement_start (parser_context_t *context_p) /**< context */
case LEXER_LEFT_SQUARE:
{
if (context_p->next_scanner_info_p->source_p == context_p->source_p
&& context_p->next_scanner_info_p->type == SCANNER_TYPE_FOR_PATTERN)
&& context_p->next_scanner_info_p->type == SCANNER_TYPE_LITERAL_FLAGS
&& (context_p->next_scanner_info_p->u8_arg & SCANNER_LITERAL_DESTRUCTURING_FOR))
{
parser_emit_cbc_ext (context_p, is_for_in ? CBC_EXT_FOR_IN_GET_NEXT
: CBC_EXT_FOR_OF_GET_NEXT);
uint32_t flags = PARSER_PATTERN_TARGET_ON_STACK;
if (context_p->next_scanner_info_p->u8_arg & SCANNER_LITERAL_OBJECT_HAS_REST)
{
flags |= PARSER_PATTERN_HAS_REST_ELEMENT;
}
scanner_release_next (context_p, sizeof (scanner_info_t));
parser_parse_initializer (context_p, PARSER_PATTERN_TARGET_ON_STACK);
parser_parse_initializer (context_p, flags);
/* Pop the value returned by GET_NEXT. */
parser_emit_cbc (context_p, CBC_POP);
break;