[ANN] Ruby-VPI 10.0.0

Version 10.0.0 (2006-11-05)

Ruby-VPI is a Ruby interface to Verilog VPI. It lets you create
complex Verilog test benches easily and wholly in Ruby.

Website: http://ruby-vpi.rubyforge.org

Install: gem install ruby-vpi

Summary

This release adds the ability to access a handle’s children
and reduces the amount of code produced by the automated
test generator.

Acknowledgment

Thanks to Matt Fischler for finding the problem of
misdirected compilation errors in Verilog benches.

Notice

• The way in which Ruby-VPI and generated tests interact
has changed: the design is now a VPI handle object and
the design.rb and proto.rb files define singleton
methods for that object.
â–¡ I suggest that you regenerate your existing tests
(just run generate_test.rb again) whilst employing
the service of a text merging tool (see the user
manual).

• You can now access a handle’s children by simply
calling methods on it. In the event that a child handle
has the same name as a VPI property, the child is given
priority. However, you can always access VPI properties
explicitly via the get_value and put_value methods.

• generate_test.rb no longer accepts the -s and -u
options. Use their longer counterparts --rspec and
–xunit instead.

Detail

Automated test generator

• Generated Verilog benches no longer divert compilation
errors from Verilog design files. That is, if the
Verilog simulator finds compilation errors in a Verilog
design file, it will report that the Verilog design
file is at fault (instead of reporting that the
generated Verilog bench is at fault).

• The user is now notified when a backup of an existing
file is made.

• Generated tests have been greatly simplified to reduce
the amount of work for the user.
â–¡ The design is now just a handle to the module in
the Verilog bench.
â–¡ include Vpi and @design are no longer generated.
â–¡ The tutorial and examples have been updated
accordingly.

User manual

• Revised the stylesheet to make disjoint sections
readily distinguishable from eachother, through
generous spacing and minor coloring.

• Added tips about ruby-vpi/runner_proxy, rake -T, and
using kdiff3 with generate_test.rb.

• Moved installation information into a new “setup”
chapter.

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