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Computing (FOLDOC) dictionary
Interface Definition Language
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(IDL) 1. An OSF standard for defining RPC stubs.
2. Part of an effort by Project DOE at SunSoft, Inc. to
integrate distributed object technology into the Solaris
operating system. IDL provides the standard interface
between objects, and is the base mechanism for object
The Object Management Group's CORBA 1.1 (Common Object
Request Broker Architecture) specifies the interface between
objects. IDL (Interface Definition Language) is the base
mechanism for object interaction.
The SunSoft OMG IDL CFE (Compiler Front End) version 1.2
provides a complete framework for building CORBA 1.1-compliant
preprocessors for OMG IDL. To use it you write a back-end. A
complete compiler of IDL would translate IDL into client
side and server side routines for remote communication in
the same manner as Sun's current RPCL compiler. The IDL
compiler front end allows integration of new back ends which
can translate IDL to various programming languages.
Several companies including Sunsoft are building back ends to
the CFE which translate IDL into target languages,
e.g. Pascal or C++, in the context of planned
CORBA-compliant products. IDL requires C++ 2.1.