InteLib

Description

InteLib is a library of C++ classes which lets you do Lisp programming within your C++ program even without any additional preprocessing, without all those calling conventions etc. You can write a C++ code (that is, a code which is accepted by your C++ compiler) thinking in a "Lisp mode" and the code you write will look much like Lisp code altough it will be pure C++. To give you the essential feeling, the following example is provided. (defun isomorphic (tree1 tree2) (cond ((atom tree1) (atom tree2)) ((atom tree2) NIL) (t (and (isomorphic (car tree1) (car tree2)) (isomorphic (cdr tree1) (cdr tree2)) )))) Just a Lisp function, isnt it? Now look at the following code: (L|DEFUN, ISOMORPHIC, (L|TREE1, TREE2), (L|COND, (L|(L|ATOM, TREE1), (L|ATOM, TREE2)), (L|(L|ATOM, TREE2), NIL), (L|T, (L|AND, (L|ISOMORPHIC, (L|CAR, TREE1), (L|CAR, TREE2)), (L|ISOMORPHIC, (L|CDR, TREE1), (L|CDR, TREE2)) )))) Obviously the code is just the same, the syntax changed a bit, but its still the same. Well, do I surprise you if I say it is C++ code? If you dont believe, look at the following: // File isomorph.cpp #include "lisp/lisp.hpp" #include "lisp/lsymbol.hpp" #include "lfun_std.hpp" LSymbol ISOMORPHIC("ISOMORPHIC"); static LFunctionalSymbol< LFunctionDefun > DEFUN("DEFUN"); static LFunctionalSymbol< LFunctionCond > COND("COND"); static LFunctionalSymbol< LFunctionAtom > ATOM("ATOM"); static LFunctionalSymbol< LFunctionAnd > AND("AND"); static LFunctionalSymbol< LFunctionCar > CAR("CAR"); static LFunctionalSymbol< LFunctionCdr > CDR("CDR"); LListConstructor L; void LispInit_isomorphic() { static LSymbol TREE1("TREE1"); static LSymbol TREE2("TREE2"); //////////////////////////////////////////////// // (L|DEFUN, ISOMORPHIC, (L|TREE1, TREE2), (L|COND, (L|(L|ATOM, TREE1), (L|ATOM, TREE2)), (L|(L|ATOM, TREE2), NIL), (L|T, (L|AND, (L|ISOMORPHIC, (L|CAR, TREE1), (L|CAR, TREE2)), (L|ISOMORPHIC, (L|CDR, TREE1), (L|CDR, TREE2)) )))).Evaluate(); // //////////////////////////////////////////////// } // end of file Well, this code is a complete C++ module and it does compile pretty well. No joke, its real. By the way, dont try to find any use I made out of the macroprocessor. No macros have ever been used by InteLib (except those for conditional compile directives). Instead, just recall that comma is an operator in C++ and can be overloaded for user-invented data types. Whats New in This Release: &middot; Some new package-related features are implemented, and the GNU readline autodetection has been fixed.. InteLib home

Intelib - Tree2 - Isomorphic - Lfunctionalsymbol - Cond - Lisp Programming - C++ - Atom - Static - Cdr - Car - Libraries - Programming

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