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Fix invalid / unhandled this_literal cases. (#3696)

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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
2020-04-27 14:54:21 +02:00
committed by GitHub
parent 4e8dac8ce1
commit f254b1a8b7
2 changed files with 32 additions and 11 deletions
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jerry-core/parser/js/js-parser-expr.c
+4 -10
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@@ -178,7 +178,7 @@ parser_emit_ident_reference (parser_context_t *context_p, /**< context */
else if (context_p->last_cbc_opcode == CBC_PUSH_THIS_LITERAL)
{
context_p->last_cbc_opcode = CBC_PUSH_THIS;
literal_index = context_p->lit_object.index;
literal_index = context_p->last_cbc.literal_index;
}
else
{
@@ -1946,7 +1946,7 @@ parser_process_unary_expression (parser_context_t *context_p, /**< context */
}
#endif /* ENABLED (JERRY_ES2015) */
else if (JERRY_UNLIKELY (context_p->status_flags & PARSER_INSIDE_WITH)
&& PARSER_IS_PUSH_LITERAL (context_p->last_cbc_opcode)
&& PARSER_IS_PUSH_LITERALS_WITH_THIS (context_p->last_cbc_opcode)
&& context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL)
{
opcode = CBC_CALL_PROP;
@@ -2193,7 +2193,7 @@ parser_process_unary_expression (parser_context_t *context_p, /**< context */
if (token == CBC_TYPEOF)
{
if (PARSER_IS_PUSH_LITERAL (context_p->last_cbc_opcode)
if (PARSER_IS_PUSH_LITERALS_WITH_THIS (context_p->last_cbc_opcode)
&& context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL)
{
parser_emit_ident_reference (context_p, CBC_TYPEOF_IDENT);
@@ -2365,7 +2365,7 @@ parser_append_binary_token (parser_context_t *context_p) /**< context */
if (LEXER_IS_BINARY_LVALUE_TOKEN (context_p->token.type))
{
if (PARSER_IS_PUSH_LITERAL (context_p->last_cbc_opcode)
if (PARSER_IS_PUSH_LITERALS_WITH_THIS (context_p->last_cbc_opcode)
&& context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL)
{
parser_check_invalid_assign (context_p);
@@ -2376,12 +2376,6 @@ parser_append_binary_token (parser_context_t *context_p) /**< context */
{
context_p->last_cbc_opcode = PARSER_PUSH_PROP_TO_PUSH_PROP_REFERENCE (context_p->last_cbc_opcode);
}
else if (context_p->last_cbc_opcode == CBC_PUSH_THIS_LITERAL)
{
context_p->last_cbc_opcode = CBC_PUSH_THIS;
parser_flush_cbc (context_p);
context_p->last_cbc_opcode = CBC_PUSH_IDENT_REFERENCE;
}
else
{
/* Invalid LeftHandSide expression. */