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Implement the for of statement (#2871)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-06-07 06:35:42 -04:00
committed by Dániel Bátyai
parent b6fc4e13ae
commit 343e80053b
15 changed files with 530 additions and 48 deletions
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jerry-core/parser/js/js-parser-scanner.c
+31 -5
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@@ -675,7 +675,13 @@ parser_scan_until (parser_context_t *context_p, /**< context */
{
lexer_next_token (context_p);
if (end_type == LEXER_KEYW_IN)
#if ENABLED (JERRY_ES2015_FOR_OF)
lexer_token_type_t for_in_of_token = LEXER_FOR_IN_OF;
#else /* !ENABLED (JERRY_ES2015_FOR_OF) */
lexer_token_type_t for_in_of_token = LEXER_KEYW_IN;
#endif /* ENABLED (JERRY_ES2015_FOR_OF) */
if (end_type == for_in_of_token)
{
end_type_b = LEXER_SEMICOLON;
if (context_p->token.type == LEXER_KEYW_VAR)
@@ -697,11 +703,31 @@ parser_scan_until (parser_context_t *context_p, /**< context */
parser_raise_error (context_p, PARSER_ERR_EXPRESSION_EXPECTED);
}
if (stack_top == SCAN_STACK_HEAD
&& (type == end_type || type == end_type_b))
if (stack_top == SCAN_STACK_HEAD)
{
parser_stack_pop_uint8 (context_p);
return;
if (type == end_type || type == end_type_b)
{
parser_stack_pop_uint8 (context_p);
return;
}
#if ENABLED (JERRY_ES2015_FOR_OF)
if (end_type == LEXER_FOR_IN_OF)
{
if (type == LEXER_KEYW_IN)
{
parser_stack_pop_uint8 (context_p);
context_p->token.type = LEXER_KEYW_IN;
return;
}
else if (type == LEXER_LITERAL && lexer_compare_raw_identifier_to_current (context_p, "of", 2))
{
parser_stack_pop_uint8 (context_p);
context_p->token.type = LEXER_LITERAL_OF;
return;
}
}
#endif /* ENABLED (JERRY_ES2015_FOR_OF) */
}
switch (mode)