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Correctly handle variables imported or exported by modules. (#3270)

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Remove var declaration workarounds and correctly create / use variables for modules.

Still missing: create lexical environment for automatic module conversion.
(Or remove this feature overall.)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-11-04 16:51:26 +01:00
committed by Dániel Bátyai
parent 6f83da4c0b
commit ab8fa74b86
15 changed files with 279 additions and 69 deletions
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jerry-core/parser/js/js-parser-module.c
+16
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@@ -435,6 +435,14 @@ parser_module_parse_import_clause (parser_context_t *context_p) /**< parser cont
parser_raise_error (context_p, PARSER_ERR_IDENTIFIER_EXPECTED);
}
#if ENABLED (JERRY_ES2015)
if (context_p->next_scanner_info_p->source_p == context_p->source_p)
{
JERRY_ASSERT (context_p->next_scanner_info_p->type == SCANNER_TYPE_ERR_REDECLARED);
parser_raise_error (context_p, PARSER_ERR_VARIABLE_REDECLARED);
}
#endif /* ENABLED (JERRY_ES2015) */
ecma_string_t *import_name_p = NULL;
ecma_string_t *local_name_p = NULL;
@@ -454,6 +462,14 @@ parser_module_parse_import_clause (parser_context_t *context_p) /**< parser cont
parser_raise_error (context_p, PARSER_ERR_IDENTIFIER_EXPECTED);
}
#if ENABLED (JERRY_ES2015)
if (context_p->next_scanner_info_p->source_p == context_p->source_p)
{
JERRY_ASSERT (context_p->next_scanner_info_p->type == SCANNER_TYPE_ERR_REDECLARED);
parser_raise_error (context_p, PARSER_ERR_VARIABLE_REDECLARED);
}
#endif /* ENABLED (JERRY_ES2015) */
lexer_construct_literal_object (context_p, &context_p->token.lit_location, LEXER_NEW_IDENT_LITERAL);
local_name_index = context_p->lit_object.index;