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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-10-15 04:37:26 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-10-15 04:37:26 (GMT)
commitc2e8fb0f34999739cff9c9e2d637346079b9365f (patch)
treea49f1ca0bb1b070c525b5ba80a8dc644f10ecc62 /proc.c
parentd0e86105829192d982016d5e8badea950a76b6dd (diff)
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.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/proc.c b/proc.c
index d7ed151..3a86c20 100644
--- a/proc.c
+++ b/proc.c
@@ -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