OTcl

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OTcl is an Object oriented extension of Tcl and created by David Wetherall^[1]. It is used in network simulator (NS-2) and usually run under Unix environment^[2]

[edit] Syntax Introduction

The reserved word Class is used to represent class and method of class are declared using word instproc.^[2] The variable self is pointer to the class it is used in and is equivalent to variable this of C++/Java. The keyword -instproc is used for defining hierarchy.^[2] For example Class Son -instproc Father means that class Son inherits from class Father. To create an instance of class son we can write set new_inst [new Son]. Following is a simple example of code.

// Sample code in OTcl
Class HelloWorld
HelloWorld instproc hello {} {
        puts "Hello world"
}

set helloworld [new HelloWorld]
//to run
$helloworld hello

[edit] References

1. ^ OTcl Project Page
2. ^ ^{a b c} Sophie-Antipolis NS Simulator for beginners, Lecture notes, 2003-2004, Univ. de Los Andres, Merida, Venezuela and ESSI