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Fix named function expression creation. (#2634)

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Create a local lexical environment with the name of the function. While
this is not too memory efficient, some corner cases requires its existence.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-12-12 12:50:03 +01:00
committed by Akos Kiss
parent 4f0b075f85
commit 83ee9cfca3
11 changed files with 182 additions and 147 deletions
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jerry-core/parser/js/js-lexer.c
+23 -25
View File
@@ -1742,35 +1742,33 @@ lexer_construct_literal_object (parser_context_t *context_p, /**< context */
context_p->lit_object.type = LEXER_LITERAL_OBJECT_ANY;
if (literal_type == LEXER_IDENT_LITERAL)
if (literal_type == LEXER_IDENT_LITERAL
&& (context_p->status_flags & PARSER_INSIDE_WITH)
&& context_p->lit_object.literal_p->type == LEXER_IDENT_LITERAL)
{
if ((context_p->status_flags & PARSER_INSIDE_WITH)
&& context_p->lit_object.literal_p->type == LEXER_IDENT_LITERAL)
context_p->lit_object.literal_p->status_flags |= LEXER_FLAG_NO_REG_STORE;
}
if (literal_p->length == 4
&& source_p[0] == LIT_CHAR_LOWERCASE_E
&& source_p[3] == LIT_CHAR_LOWERCASE_L
&& source_p[1] == LIT_CHAR_LOWERCASE_V
&& source_p[2] == LIT_CHAR_LOWERCASE_A)
{
context_p->lit_object.type = LEXER_LITERAL_OBJECT_EVAL;
}
if (literal_p->length == 9
&& source_p[0] == LIT_CHAR_LOWERCASE_A
&& source_p[8] == LIT_CHAR_LOWERCASE_S
&& memcmp (source_p + 1, "rgument", 7) == 0)
{
context_p->lit_object.type = LEXER_LITERAL_OBJECT_ARGUMENTS;
if (!(context_p->status_flags & PARSER_ARGUMENTS_NOT_NEEDED))
{
context_p->status_flags |= PARSER_ARGUMENTS_NEEDED | PARSER_LEXICAL_ENV_NEEDED;
context_p->lit_object.literal_p->status_flags |= LEXER_FLAG_NO_REG_STORE;
}
if (literal_p->length == 4
&& source_p[0] == LIT_CHAR_LOWERCASE_E
&& source_p[3] == LIT_CHAR_LOWERCASE_L
&& source_p[1] == LIT_CHAR_LOWERCASE_V
&& source_p[2] == LIT_CHAR_LOWERCASE_A)
{
context_p->lit_object.type = LEXER_LITERAL_OBJECT_EVAL;
}
if (literal_p->length == 9
&& source_p[0] == LIT_CHAR_LOWERCASE_A
&& source_p[8] == LIT_CHAR_LOWERCASE_S
&& memcmp (source_p + 1, "rgument", 7) == 0)
{
context_p->lit_object.type = LEXER_LITERAL_OBJECT_ARGUMENTS;
if (!(context_p->status_flags & PARSER_ARGUMENTS_NOT_NEEDED))
{
context_p->status_flags |= PARSER_ARGUMENTS_NEEDED | PARSER_LEXICAL_ENV_NEEDED;
context_p->lit_object.literal_p->status_flags |= LEXER_FLAG_NO_REG_STORE;
}
}
}
if (destination_start_p != local_byte_array)