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Tcl-Eiffel: A GUI Extension to SmallEiffel

by Joachim Bergmeyer <jbergmeyer@bigfoot.de>

Eiffel is an object-oriented language with a distinct focus on security and correctness expressed in the principle of "Design by Contract". SmallEiffel is a free implementation of this language covered by GNU Copyleft. Tcl-Eiffel is an extension to SmallEiffel intended to fill in the missing support of Graphical User Interfaces (GUI) by providing a connection to the wellknown Tcl interpreter and Tk library. This is done by implementing a socket for SmallEiffel and linking an Eiffel program to Tcl/Tk via a socket connection. Tcl-Eiffel itself is free software with the same license as the standard library coming with SmallEiffel.

1. Intentions

1.1 Provide a GUI
1.2 Create the GUI fast and easy
1.3 Run over the net
1.4 Use Java if you like

2. How it works

2.1 Sockets are portable
2.2 Single connections
2.3 Define a protocol
2.4 The "calc" demo
2.5 Multiple connections not yet supported

3. Overview of current state

4. Resources

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