A simple example of using eval, to help work out the development of the bootstrapped compiler supporting eval.
compile_code_to_evalScript.sml: Defines and compiles (using incremental compiler) the code that gets eval'd by the eval example.
eval_exampleCompileScript.sml: Compiles the eval example in the logic.
eval_exampleProgScript.sml: Defines abstract syntax for a simple program that calls eval. The call is made to machine code read from a file.