quite a bit of refactoring. mostly formatting and renaming, slight amount of cleanup.

generate.rb

@@ -0,0 +1,30 @@
+#!/usr/bin/env ruby
+
+##############################################################
+# script to generate signal*.h files from signal_template.h
+##############################################################
+
+def make_header_file(nargs)
+	# hash to store our substitutions in
+	subs = {}
+
+	# create subst strings for template and function arguments (template args follow T_return, so start with a comma)
+	subs["===NARG==="]              = nargs.to_s
+	subs["===TEMPLATE_ARG_DECL==="] = (nargs > 0 ? ", ":"") + nargs.times.map { |i| "typename T_arg#{i}" }.join(", ")
+	subs["===TEMPLATE_ARG==="]      = (nargs > 0 ? ", ":"") + nargs.times.map { |i| "T_arg#{i}" }.join(", ")
+	subs["===FORMAL_ARG_DECL==="]   = nargs.times.map { |i| "T_arg#{i} a#{i}" }.join(", ")
+	subs["===FORMAL_ARG==="]        = nargs.times.map { |i| "a#{i}" }.join(", ")
+
+	# load template file
+	text = IO.read("signal_template.h")
+
+	# do substitutions
+	subs.each { |k,v| text.gsub!(k,v) }
+
+	# write output file
+	File.open("signal#{nargs}.h","w") { |f| f.write(text) }
+end
+
+# generate [signal0.h,signal16.h]
+(0..16).each { |i| make_header_file(i) }
+