Autocad lisp programming tutorial5/25/2023 The evaluator defines syntax of Lisp forms that are built from s-expressions. Implementation of the semantics of the language in terms of these objects by an evaluator program. If you would like to run the same program as a compiled code, then create a LISP source code file named myprog. Let us write an s-expression to find the sum of three numbers 7, 9 and To do this, we can type at the interpreter prompt. It reads the program code, evaluates it, and prints the values returned by the program. The interpreter checks the source code in a repeated loop, which is also called the read-evaluate-print loop REPL. The s-expressions are composed of three valid objects, atoms, lists and strings. LISP expressions are called symbolic expressions or s-expressions.
0 Comments
Leave a Reply. |