From: "Mauricio Fernández" <batsman.geo@...>
Date: 2002-09-23T07:00:24+09:00
Subject: Re: [ANN] RubyInline 1.0.6 Released

On Thu, Sep 19, 2002 at 03:16:41PM +0900, Ryan Davis wrote:
> RubyInline 1.0.6 has been released!
> 
> Ruby Inline is my quick attempt to create an analog to Perl's 
> Inline::C. It allows you to embed C external module code in your ruby 
> script directly. The code is compiled and run on the fly when needed. 
> The ruby version isn't near as feature-full as the perl version, but it 
> is neat!
> 
> http://sourceforge.net/projects/rubyinline/
> 
> Changes:
> 
> + Added a prelude argument for header and datatype declarations.
> - Only output stuff if invoked verbose (ie 'ruby -v ./example.rb').
> - Added some compatibility code for windows.
> - Declared requirement on POSIX system.

Patch below for better error messages if the inline code fails to
compile:

Script started on Sun Sep 22 23:53:03 2002
batsman@kodos:/tmp/RubyInline-1.0.6$ diff -u inline.rb.old inline.rb
--- inline.rb.old	Sun Sep 22 23:50:46 2002
+++ inline.rb	Sun Sep 22 23:50:41 2002
@@ -51,13 +51,15 @@
	$stderr.puts "ERROR: Can't find header files for ruby. Exiting..."
	exit 1
       end
-
+      caller(1).first =~ /(.*):([0-9]+)[^0-9]*/
+      lineinfo = "#line #{$2} \"#{$1}\"\n"
       # Generating code
       src = %Q{
 #include "ruby.h"
 #{prelude}

   static VALUE t_#{mymethod}(int argc, VALUE *argv, VALUE self) {
+    #{lineinfo}
     #{src}
   }

batsman@kodos:/tmp/RubyInline-1.0.6$ cat example.rb
#!/usr/local/bin/ruby -w

require "inline"

class MyTest

  include Inline

  def factorial(n)
    f = 1
    n.downto(1) { |x| f = f * x }
    f
  end

  def fastfact(*args)
    inline args, <<-END
    aint i, f=1;
    for (i = FIX2INT(argv[0]); i >= 1; i--) { f = f * i; }
    return INT2FIX(f);
    END
  end

end

t = MyTest.new()

max = 1000000

puts "RubyInline #{Inline::VERSION}"

if ARGV.length == 0 then
  type = "Inline"
  tstart = Time.now
  (1..max).each { |n| r = t.fastfact(5); if r != 120 then puts "ACK! - #{r}"; end }
  tend = Time.now
else
  type = "Native"
  tstart = Time.now
  (1..max).each { |n| r = t.factorial(5); if r != 120 then puts "ACK! - #{r}"; end }
  tend = Time.now
end

total = tend - tstart
avg = total / max
printf "Type = #{type}, Iter = #{max}, time = %.8f sec, %.8f sec / iter\n", total, avg
batsman@kodos:/tmp/RubyInline-1.0.6$ ruby example.rb
RubyInline 1.0.6
example.rb: In function `t_fastfact':
example.rb:17: `aint' undeclared (first use in this function)
example.rb:17: (Each undeclared identifier is reported only once
example.rb:17: for each function it appears in.)
example.rb:17: parse error before `i'
example.rb:18: `i' undeclared (first use in this function)
example.rb:18: `f' undeclared (first use in this function)
Type = Inline, Iter = 1000000, time = 2.44084700 sec, 0.00000244 sec / iter
batsman@kodos:/tmp/RubyInline-1.0.6$
Script done on Sun Sep 22 23:53:48 2002

-- 
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