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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-10-15 04:37:26 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-10-15 04:37:26 +0000 |
commit | c2e8fb0f34999739cff9c9e2d637346079b9365f (patch) | |
tree | a49f1ca0bb1b070c525b5ba80a8dc644f10ecc62 /proc.c | |
parent | d0e86105829192d982016d5e8badea950a76b6dd (diff) | |
download | ruby-c2e8fb0f34999739cff9c9e2d637346079b9365f.tar.gz |
proc.c: proc without env
* proc.c (rb_sym_to_proc): move from string.c and create a Proc
with no environments. [ruby-core:71088] [Bug #11594]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'proc.c')
-rw-r--r-- | proc.c | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -1035,6 +1035,42 @@ rb_hash_proc(st_index_t hash, VALUE prc) return rb_hash_uint(hash, (st_index_t)proc->block.ep >> 16); } +VALUE +rb_sym_to_proc(VALUE sym) +{ + static VALUE sym_proc_cache = Qfalse; + enum {SYM_PROC_CACHE_SIZE = 67}; + VALUE proc; + long index; + ID id; + VALUE *aryp; + + if (!sym_proc_cache) { + sym_proc_cache = rb_ary_tmp_new(SYM_PROC_CACHE_SIZE * 2); + rb_gc_register_mark_object(sym_proc_cache); + rb_ary_store(sym_proc_cache, SYM_PROC_CACHE_SIZE*2 - 1, Qnil); + } + + id = SYM2ID(sym); + index = (id % SYM_PROC_CACHE_SIZE) << 1; + + aryp = RARRAY_PTR(sym_proc_cache); + if (aryp[index] == sym) { + return aryp[index + 1]; + } + else { + rb_proc_t *ptr; + VALUE ifunc = (VALUE)IFUNC_NEW(rb_sym_proc_call, (VALUE)id, 0); + proc = rb_proc_alloc(rb_cProc); + ptr = RTYPEDDATA_DATA(proc); + ptr->block.iseq = (rb_iseq_t *)ifunc; + ptr->block.proc = ifunc; + aryp[index] = sym; + aryp[index + 1] = proc; + return proc; + } +} + /* * call-seq: * prc.hash -> integer |