From 17065d47a68eaa6a854297b94e4d85d379b23f2d Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Jan 2003 06:05:08 +0000
Subject: [PATCH] * range.c (range_each): treat fixnums specially to boost.

* numeric.c (num_step): remove rb_scan_args() for small speedup.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c   |  2 +-
 eval.c    | 10 +++++++---
 numeric.c | 16 +++++++++++++---
 range.c   | 11 ++++++++++-
 4 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/array.c b/array.c
index 934fb36489..1313093a53 100644
--- a/array.c
+++ b/array.c
@@ -44,7 +44,7 @@ memfill(mem, size, val)
 
 #define ARY_TMPLOCK  FL_USER1
 
-static void
+static inline void
 rb_ary_modify_check(ary)
     VALUE ary;
 {
diff --git a/eval.c b/eval.c
index 2a25dac31a..fbe53d8daf 100644
--- a/eval.c
+++ b/eval.c
@@ -917,14 +917,19 @@ static VALUE trace_func = 0;
 static int tracing = 0;
 static void call_trace_func _((char*,NODE*,VALUE,ID,VALUE));
 
+#if 0
 #define SET_CURRENT_SOURCE() (ruby_sourcefile = ruby_current_node->nd_file, \
 			      ruby_sourceline = nd_line(ruby_current_node))
+#else
+#define SET_CURRENT_SOURCE() 0
+#endif
 
 void
 ruby_set_current_source()
 {
     if (ruby_current_node) {
-	SET_CURRENT_SOURCE();
+        ruby_sourcefile = ruby_current_node->nd_file;
+	ruby_sourceline = nd_line(ruby_current_node);
     }
 }
 
@@ -3390,7 +3395,6 @@ rb_eval(self, n)
 	break;
 
       case NODE_NEWLINE:
-	ruby_sourcefile = node->nd_file;
 	ruby_sourceline = node->nd_nth;
 	if (trace_func) {
 	    call_trace_func("line", node, self,
@@ -4443,7 +4447,7 @@ rb_undefined(obj, id, argc, argv, call_status)
     return rb_funcall2(obj, missing, argc+1, nargv);
 }
 
-static VALUE
+static inline VALUE
 call_cfunc(func, recv, len, argc, argv)
     VALUE (*func)();
     VALUE recv;
diff --git a/numeric.c b/numeric.c
index 28061cad56..04c59f4ae0 100644
--- a/numeric.c
+++ b/numeric.c
@@ -850,11 +850,21 @@ num_step(argc, argv, from)
 {
     VALUE to, step;
 
-    if (rb_scan_args(argc, argv, "11", &to, &step) == 1) {
+    if (argc == 1) {
+	to = argv[0];
 	step = INT2FIX(1);
     }
-    else if (rb_equal(step, INT2FIX(0))) {
-	rb_raise(rb_eArgError, "step cannot be 0");
+    else {
+	if (argc == 2) {
+	    to = argv[0];
+	    step = argv[1];
+	}
+	else {
+	    rb_raise(rb_eArgError, "wrong number of arguments");
+	}
+	if (rb_equal(step, INT2FIX(0))) {
+	    rb_raise(rb_eArgError, "step cannot be 0");
+	}
     }
 
     if (FIXNUM_P(from) && FIXNUM_P(to) && FIXNUM_P(step)) {
diff --git a/range.c b/range.c
index 3b56ee7d0b..2faf2f3489 100644
--- a/range.c
+++ b/range.c
@@ -306,7 +306,16 @@ range_each(range)
 	rb_raise(rb_eTypeError, "cannot iterate from %s",
 		 rb_class2name(CLASS_OF(beg)));
     }
-    if (TYPE(beg) == T_STRING) {
+    if (FIXNUM_P(beg) && FIXNUM_P(end)) { /* fixnums are special */
+	long lim = FIX2LONG(end);
+	long i;
+
+	if (!EXCL(range)) lim += 1;
+	for (i=FIX2LONG(beg); i<lim; i++) {
+	    rb_yield(LONG2NUM(i));
+	}
+    }
+    else if (TYPE(beg) == T_STRING) {
 	VALUE args[5];
 	long iter[2];