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Fixed not to make non-literal expression shareable [Feature #17273]

Non-literal expression which is not a part of a literal expression
is not a subject of `shareable_literal_value: literal`.
This commit is contained in:
Nobuyoshi Nakada 2020-12-19 00:34:14 +09:00
parent 6945597f6f
commit 19a98a8791
No known key found for this signature in database
GPG key ID: 7CD2805BFA3770C6
2 changed files with 11 additions and 8 deletions

18
parse.y
View file

@ -11033,8 +11033,11 @@ shareable_literal_value(NODE *node)
VALUE rb_ractor_make_shareable(VALUE obj);
static NODE *
shareable_literal_constant(struct parser_params *p, NODE *value, enum shareability shareable, const YYLTYPE *loc)
shareable_literal_constant(struct parser_params *p, enum shareability shareable,
NODE *value, const YYLTYPE *loc, size_t level)
{
# define shareable_literal_constant_next(n) \
shareable_literal_constant(p, shareable, (n), &(n)->nd_loc, level+1)
VALUE lit;
if (!value) return 0;
@ -11062,12 +11065,11 @@ shareable_literal_constant(struct parser_params *p, NODE *value, enum shareabili
lit = rb_ary_new();
for (NODE *n = value; n; n = n->nd_next) {
NODE *elt = n->nd_head;
if (elt && !(elt = shareable_literal_constant(p, elt, shareable, &elt->nd_loc))) {
if (elt && !(elt = shareable_literal_constant_next(elt))) {
if (lit) {
rb_ary_clear(lit);
lit = Qfalse;
}
continue;
}
if (lit) {
VALUE e = shareable_literal_value(elt);
@ -11091,13 +11093,12 @@ shareable_literal_constant(struct parser_params *p, NODE *value, enum shareabili
for (NODE *n = value->nd_head; n; n = n->nd_next->nd_next) {
NODE *key = n->nd_head;
NODE *val = n->nd_next->nd_head;
if ((key && !(key = shareable_literal_constant(p, key, shareable, &key->nd_loc))) ||
(val && !(val = shareable_literal_constant(p, val, shareable, &val->nd_loc)))) {
if ((key && !(key = shareable_literal_constant_next(key))) ||
(val && !(val = shareable_literal_constant_next(val)))) {
if (lit) {
rb_hash_clear(lit);
lit = Qfalse;
}
continue;
}
if (lit) {
VALUE k = shareable_literal_value(key);
@ -11117,11 +11118,12 @@ shareable_literal_constant(struct parser_params *p, NODE *value, enum shareabili
break;
default:
if (shareable == shareable_literal)
if (shareable == shareable_literal && level > 0)
yyerror1(loc, "unshareable expression");
return 0;
}
return value;
# undef shareable_literal_constant_next
}
static NODE *
@ -11135,7 +11137,7 @@ shareable_constant_value(struct parser_params *p, NODE *value, enum shareability
case shareable_literal:
case shareable_everything:
{
NODE *lit = shareable_literal_constant(p, value, shareable, loc);
NODE *lit = shareable_literal_constant(p, shareable, value, loc, 0);
if (lit) return lit;
}
break;

View file

@ -1189,6 +1189,7 @@ x = __ENCODING__
B = [[2]]
# shareable_constant_value: literal
C = [["shareable", "constant#{nil}"]]
D = A
[A, B, C]
end;