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Hello,

I'm getting a "test.rb:46: stack level too deep (SystemStackError)"
when defining three or more functions for a module, which is created
& given to Ruby via the Ruby C API.


## begin extra info ##

The test.rb (actually "samp/test.rb") file and the remaining source
code is available in a Subversion repository at RubyForge:

svn checkout -r21 svn://rubyforge.org/var/svn/ruby-vpi/trunk
- -or-
<http://rubyforge.org/plugins/scmsvn/viewcvs.php/trunk/?root=ruby-vpi&pathrev=21>

Also, I run "make ivl" inside the "samp/" directory to run the
sample test bench ("test.v" and "test.rb").

Finally, I am using this Ruby version:
ruby 1.8.3 (2005-06-23) [i486-linux]

## end extra info ##


In particular, the error occurs when I register a third module
function with Ruby C API inside line 25 of the file
"src/RVPI.cin":

// register the VPI module
RVPI__rModuleDef = rb_define_module("VPI");

rb_define_module_function(  // first func
  RVPI__rModuleDef
  , "relay_verilog"
  , RVPI_rb_relay_verilog
  , 0
);

rb_define_module_function(  // second func
  RVPI__rModuleDef
  , "register_task"
  , RVPI_rb_register_task
  , 1
);

rb_define_module_function( // third func
  RVPI__rModuleDef
  , "handle_by_name"
  , RVPI_rb_handle_by_name
  , 2
); // FIXME: causes "stack level too deep (SystemStackError)"


I originally thought the problem was with the third module function
(named "RVPI_rb_handle_by_name") that I was trying to register. But
this was not the case, because the SystemStackError occurred even
when I registered the first module function under a different name:

// register the VPI module
RVPI__rModuleDef = rb_define_module("VPI");

rb_define_module_function(  // first func
  RVPI__rModuleDef
  , "relay_verilog"
  , RVPI_rb_relay_verilog
  , 0
);

rb_define_module_function(  // second func
  RVPI__rModuleDef
  , "register_task"
  , RVPI_rb_register_task
  , 1
);

rb_define_module_function(  // first func with different name
  RVPI__rModuleDef
  , "foo"
  , RVPI_rb_relay_verilog
  , 0
);


What am I doing wrong?

Thank you.
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