From bda0e2fd84340e34dee0804e250f531893da763a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 10 Nov 2015 09:24:41 +0000
Subject: [PATCH] proc.c: cfunc_proc_t

* proc.c (cfunc_proc_t): add room for me.
* proc.c (cfunc_proc_new): generalise for cfunc proc without env.
* proc.c (rb_func_proc_new, rb_func_lambda_new): new functions to
  make proc/lambda without env from cfunc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog  |  9 +++++++++
 internal.h |  2 ++
 proc.c     | 41 ++++++++++++++++++++++++++++++-----------
 3 files changed, 41 insertions(+), 11 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 51348f2588..656c4b54b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+Tue Nov 10 18:23:35 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (cfunc_proc_t): add room for me.
+
+	* proc.c (cfunc_proc_new): generalise for cfunc proc without env.
+
+	* proc.c (rb_func_proc_new, rb_func_lambda_new): new functions to
+	  make proc/lambda without env from cfunc.
+
 Tue Nov 10 17:32:35 2015  Naohisa Goto  <ngotogenome@gmail.com>
 
 	* bootstraptest/test_fork.rb ([ruby-dev:37934]): :NPROC (RLIMIT_NPROC)
diff --git a/internal.h b/internal.h
index 3c2be8cb24..dfd02e95cc 100644
--- a/internal.h
+++ b/internal.h
@@ -1013,6 +1013,8 @@ ID rb_id_attrget(ID id);
 VALUE rb_proc_location(VALUE self);
 st_index_t rb_hash_proc(st_index_t hash, VALUE proc);
 int rb_block_arity(void);
+VALUE rb_func_proc_new(rb_block_call_func_t func, VALUE val);
+VALUE rb_func_lambda_new(rb_block_call_func_t func, VALUE val);
 
 /* process.c */
 #define RB_MAX_GROUPS (65536)
diff --git a/proc.c b/proc.c
index 5ba4b6141a..6cbe08cae8 100644
--- a/proc.c
+++ b/proc.c
@@ -62,15 +62,15 @@ proc_mark(void *ptr)
 
 typedef struct {
     rb_proc_t basic;
-    VALUE env[2]; /* specval, envval */
-} sym_proc_t;
+    VALUE env[3]; /* me, specval, envval */
+} cfunc_proc_t;
 
 static size_t
 proc_memsize(const void *ptr)
 {
     const rb_proc_t *proc = ptr;
-    if (proc->block.ep == ((const sym_proc_t *)ptr)->env)
-	return sizeof(sym_proc_t);
+    if (proc->block.ep == ((const cfunc_proc_t *)ptr)->env+1)
+	return sizeof(cfunc_proc_t);
     return sizeof(rb_proc_t);
 }
 
@@ -582,19 +582,38 @@ bind_receiver(VALUE bindval)
 }
 
 static VALUE
-sym_proc_new(VALUE klass, VALUE sym)
+cfunc_proc_new(VALUE klass, VALUE ifunc, int8_t is_lambda)
 {
     rb_proc_t *proc;
-    sym_proc_t *symproc;
-    VALUE procval = TypedData_Make_Struct(klass, sym_proc_t, &proc_data_type, symproc);
-    symproc->env[0] = VM_ENVVAL_BLOCK_PTR(0);
-    proc = &symproc->basic;
-    proc->block.ep = symproc->env;
-    proc->block.iseq = (rb_iseq_t *)sym;
+    cfunc_proc_t *sproc;
+    VALUE procval = TypedData_Make_Struct(klass, cfunc_proc_t, &proc_data_type, sproc);
+    sproc->env[1] = VM_ENVVAL_BLOCK_PTR(0);
+    proc = &sproc->basic;
+    proc->block.ep = sproc->env+1;
+    proc->block.iseq = (rb_iseq_t *)ifunc;
     proc->block.proc = procval;
+    proc->is_lambda = is_lambda;
     return procval;
 }
 
+static VALUE
+sym_proc_new(VALUE klass, VALUE sym)
+{
+    return cfunc_proc_new(klass, sym, 0);
+}
+
+VALUE
+rb_func_proc_new(rb_block_call_func_t func, VALUE val)
+{
+    return cfunc_proc_new(rb_cProc, (VALUE)IFUNC_NEW(func, val, 0), 0);
+}
+
+VALUE
+rb_func_lambda_new(rb_block_call_func_t func, VALUE val)
+{
+    return cfunc_proc_new(rb_cProc, (VALUE)IFUNC_NEW(func, val, 0), 1);
+}
+
 static const char proc_without_block[] = "tried to create Proc object without a block";
 
 static VALUE