From a82d24aa8237d50a8c7d7178d0535327e7ec645c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 11 Mar 2013 05:25:06 +0000
Subject: [PATCH] gen_dummy_probes.rb

* tool/gen_dummy_probes.rb: remove empty lines and compact.

* tool/gen_dummy_probes.rb: allow arbitrary number of arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 probes.d                 |  1 +
 tool/gen_dummy_probes.rb | 14 ++++++--------
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/probes.d b/probes.d
index 89c254ca6f..dd7a7bfcd3 100644
--- a/probes.d
+++ b/probes.d
@@ -1,3 +1,4 @@
+/* -*- c -*- */
 #include "vm_opts.h"
 
 provider ruby {
diff --git a/tool/gen_dummy_probes.rb b/tool/gen_dummy_probes.rb
index 91191f1918..c19f9d53cd 100755
--- a/tool/gen_dummy_probes.rb
+++ b/tool/gen_dummy_probes.rb
@@ -5,24 +5,22 @@ text = ARGF.read
 text.gsub!(/^(?!#)(.*)/){$1.upcase}
 
 # remove comments
-text.gsub!(%r'/\*.*?\*/'m, '')
+text.gsub!(%r'(?:^ *)?/\*.*?\*/\n?'m, '')
 
 # remove the pragma declarations
-text.gsub!(/^#pragma.*$/, '')
+text.gsub!(/^#pragma.*\n/, '')
 
 # replace the provider section with the start of the header file
 text.gsub!(/PROVIDER RUBY \{/, "#ifndef\t_PROBES_H\n#define\t_PROBES_H\n#define DTRACE_PROBES_DISABLED 1\n")
 
 # finish up the #ifndef sandwich
-text.gsub!(/\};/, "#endif\t/* _PROBES_H */")
+text.gsub!(/\};/, "\n#endif\t/* _PROBES_H */")
 
 text.gsub!(/__/, '_')
 
-text.gsub!(/\([^,)]+\)/, '(arg0)')
-text.gsub!(/\([^,)]+,[^,)]+\)/, '(arg0, arg1)')
-text.gsub!(/\([^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2)')
-text.gsub!(/\([^,)]+,[^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2, arg3)')
-text.gsub!(/\([^,)]+,[^,)]+,[^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2, arg3, arg4)')
+text.gsub!(/\((.+?)(?=\);)/) {
+  "(arg" << (0..$1.count(',')).to_a.join(", arg")
+}
 
 text.gsub!(/ *PROBE ([^\(]*)(\([^\)]*\));/, "#define RUBY_DTRACE_\\1_ENABLED() 0\n#define RUBY_DTRACE_\\1\\2\ do \{ \} while\(0\)")
 puts "/* -*- c -*- */"