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Implement import.meta object (#4766)

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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
2021-09-15 17:44:16 +02:00
committed by GitHub
parent 386ec44d4d
commit 77c2602205
27 changed files with 528 additions and 93 deletions
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jerry-core/parser/js/js-parser-expr.c
+28 -10
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@@ -1930,16 +1930,6 @@ parser_parse_unary_expression (parser_context_t *context_p, /**< context */
break;
}
#endif /* JERRY_ESNEXT */
#if JERRY_MODULE_SYSTEM
case LEXER_KEYW_IMPORT:
{
if (new_was_seen)
{
parser_raise_error (context_p, PARSER_ERR_IMPORT_AFTER_NEW);
}
break;
}
#endif /* JERRY_MODULE_SYSTEM */
}
/* Bracketed expressions are primary expressions. At this
@@ -2330,11 +2320,39 @@ parser_parse_unary_expression (parser_context_t *context_p, /**< context */
{
lexer_next_token (context_p);
if (context_p->token.type == LEXER_DOT)
{
lexer_next_token (context_p);
if (context_p->token.type != LEXER_LITERAL
|| context_p->token.lit_location.type != LEXER_IDENT_LITERAL
|| context_p->token.keyword_type != LEXER_KEYW_META
|| (context_p->token.lit_location.status_flags & LEXER_LIT_LOCATION_HAS_ESCAPE))
{
parser_raise_error (context_p, PARSER_ERR_META_EXPECTED);
}
if (!(context_p->global_status_flags & ECMA_PARSE_MODULE))
{
parser_raise_error (context_p, PARSER_ERR_IMPORT_META_REQUIRE_MODULE);
}
JERRY_ASSERT (context_p->global_status_flags & ECMA_PARSE_INTERNAL_HAS_IMPORT_META);
parser_emit_cbc_ext (context_p, CBC_EXT_MODULE_IMPORT_META);
break;
}
if (context_p->token.type != LEXER_LEFT_PAREN)
{
parser_raise_error (context_p, PARSER_ERR_LEFT_PAREN_EXPECTED);
}
if (new_was_seen)
{
parser_raise_error (context_p, PARSER_ERR_IMPORT_AFTER_NEW);
}
lexer_next_token (context_p);
parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);