From 16907944fc99a268a3fffc7ecf26a2c5dcf6fe59 Mon Sep 17 00:00:00 2001
From: Sokolov Yura aka funny_falcon <funny.falcon@gmail.com>
Date: Wed, 10 Dec 2014 15:53:36 +0300
Subject: [PATCH 1/4] struct.c: speedup struct.name = v for small structs

---
 struct.c | 44 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/struct.c b/struct.c
index 080c0f3..e710505 100644
--- a/struct.c
+++ b/struct.c
@@ -144,6 +144,43 @@ rb_struct_modify(VALUE s)
 }
 
 static VALUE
+rb_struct_set(VALUE obj, long i, VALUE val)
+{
+    if (i >= RSTRUCT_LEN(obj)) {
+	rb_raise(rb_eTypeError, "corrupted struct");
+    }
+    rb_struct_modify(obj);
+    RSTRUCT_SET(obj, i, val);
+    return val;
+}
+
+static VALUE rb_struct_set0(VALUE obj, VALUE val) {return rb_struct_set(obj, 0, val);}
+static VALUE rb_struct_set1(VALUE obj, VALUE val) {return rb_struct_set(obj, 1, val);}
+static VALUE rb_struct_set2(VALUE obj, VALUE val) {return rb_struct_set(obj, 2, val);}
+static VALUE rb_struct_set3(VALUE obj, VALUE val) {return rb_struct_set(obj, 3, val);}
+static VALUE rb_struct_set4(VALUE obj, VALUE val) {return rb_struct_set(obj, 4, val);}
+static VALUE rb_struct_set5(VALUE obj, VALUE val) {return rb_struct_set(obj, 5, val);}
+static VALUE rb_struct_set6(VALUE obj, VALUE val) {return rb_struct_set(obj, 6, val);}
+static VALUE rb_struct_set7(VALUE obj, VALUE val) {return rb_struct_set(obj, 7, val);}
+static VALUE rb_struct_set8(VALUE obj, VALUE val) {return rb_struct_set(obj, 8, val);}
+static VALUE rb_struct_set9(VALUE obj, VALUE val) {return rb_struct_set(obj, 9, val);}
+
+#define N_SET_FUNC numberof(ref_func)
+
+static VALUE (*const set_func[])(VALUE, VALUE) = {
+    rb_struct_set0,
+    rb_struct_set1,
+    rb_struct_set2,
+    rb_struct_set3,
+    rb_struct_set4,
+    rb_struct_set5,
+    rb_struct_set6,
+    rb_struct_set7,
+    rb_struct_set8,
+    rb_struct_set9,
+};
+
+static VALUE
 anonymous_struct(VALUE klass)
 {
     VALUE nstr;
@@ -217,7 +254,12 @@ setup_struct(VALUE nstr, VALUE members)
 	else {
 	    define_aref_method(nstr, ptr_members[i], off);
 	}
-	define_aset_method(nstr, ID2SYM(rb_id_attrset(id)), off);
+	if (i < N_SET_FUNC) {
+	    rb_define_method_id(nstr, rb_id_attrset(id), set_func[i], 1);
+	}
+	else {
+	    define_aset_method(nstr, ID2SYM(rb_id_attrset(id)), off);
+	}
     }
 
     return nstr;
-- 
2.1.0