* eval.c, intern.h (rb_svar): return reference to special variable

  from local variable index. [new]

* eval.c (rb_eval): use rb_svar() for NODE_FLIP{2,3}.

* parse.y (rb_(backref|lastline)_(get|set)): access via rb_svar().

* eval.c (proc_invoke): push dynamic variables.

* eval.c (rb_thread_yield): push special variables as dynamic
  variables($_, $~ and FLIP states).


* intern.h, parse.y (rb_is_local_id): return true if the ID is
  local symbol. [new]

* parse.y (internal_id): make new ID for internal use. [new]

* parse.y (cond0): allocate internal ID for NODE_FLIP{2,3}.

* eval.c (rb_f_local_variables): use rb_is_local_id() to select
  visible local variables.


* eval.c (rb_thread_start_0): SCOPE_SHARED is removed.

* eval.c, intern.h (rb_thread_scope_shared_p): removed. special
  variables are no longer shared by threads.

* re.c (rb_reg_search): MATCHDATA is no longer shared by threads.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1752 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

0 files changed, 0 insertions, 0 deletions