ILE Basic Concepts

Table 1 compares and contrasts the original program model (OPM) and the Integrated Language Environment (ILE) model. This topic briefly explains the similarities and differences listed in the table.

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Table 1. Similarities and Differences between OPM and ILE

OPM	ILE
Program	Program Service program
Compilation results in a runnable program	Compilation results in a nonrunnable module object
Compile, run	Compile, bind, run
Run units simulated for each language	Activation groups
Dynamic program call	Dynamic program call Static procedure call
Single-language focus	Mixed-language focus
Language-specific error handling	Common error handling Language-specific error handling
OPM debuggers	Source-level debugger

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