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Implement throwing const re-assignment error. (#3697)

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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
2020-04-29 15:50:22 +02:00
committed by GitHub
parent 9e6c44be4f
commit 4b780507e1
14 changed files with 220 additions and 52 deletions
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jerry-core/parser/js/js-parser-statm.c
+12 -14
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@@ -558,24 +558,22 @@ parser_parse_var_statement (parser_context_t *context_p) /**< context */
}
#endif /* ENABLED (JERRY_LINE_INFO) */
uint16_t index = context_p->lit_object.index;
lexer_next_token (context_p);
parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);
cbc_opcode_t opcode = CBC_ASSIGN_SET_IDENT;
#if ENABLED (JERRY_ES2015)
if (declaration_type != LEXER_KEYW_VAR
&& context_p->lit_object.index < PARSER_REGISTER_START)
&& (index < PARSER_REGISTER_START))
{
uint16_t index = context_p->lit_object.index;
opcode = CBC_ASSIGN_LET_CONST;
}
#endif /* ENABLED (JERRY_ES2015) */
lexer_next_token (context_p);
parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);
parser_emit_cbc_literal (context_p, CBC_ASSIGN_LET_CONST, index);
}
else
{
#endif /* ENABLED (JERRY_ES2015) */
parser_emit_cbc_literal_from_token (context_p, CBC_PUSH_LITERAL);
parser_parse_expression_statement (context_p, PARSE_EXPR_NO_COMMA | PARSE_EXPR_HAS_LITERAL);
#if ENABLED (JERRY_ES2015)
}
#endif /* ENABLED (JERRY_ES2015) */
parser_emit_cbc_literal (context_p, opcode, index);
}
#if ENABLED (JERRY_ES2015)
else if (declaration_type == LEXER_KEYW_LET)