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author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-07-31 14:10:09 +0000 |
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committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-07-31 14:10:09 +0000 |
commit | 41d6bc37e95bb51456d0d27da832c51cf701b5ee (patch) | |
tree | be547c9f45474332e1e5fbf48a08bd545be4f61b /parse.y | |
parent | 4e12051fe885f93eb5ce8eb114f6ee944b417035 (diff) |
merge revision(s) d0ba4abf1a00339ebbb5d405db3240a8bdb7b68b,54eac83b2ad77ddea84fa6d66c09e0bb014cf61e: [Backport #15786]
Add RB_ID_SERIAL_MAX
Hide internal IDs
* parse.y (internal_id): number the ID serial for internal use by
counting down from the neary maximum value, not to accidentally
match permanent IDs.
[Bug #15768]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -10810,8 +10810,9 @@ rb_init_parse(void) static ID internal_id(struct parser_params *p) { + const ID max_id = RB_ID_SERIAL_MAX & ~0xffff; ID id = (ID)vtable_size(p->lvtbl->args) + (ID)vtable_size(p->lvtbl->vars); - id += ((tLAST_TOKEN - ID_INTERNAL) >> ID_SCOPE_SHIFT) + 1; + id = max_id - id; return ID_STATIC_SYM | ID_INTERNAL | (id << ID_SCOPE_SHIFT); } |