cheax

A Lisp dialect that looks a bit like Haskell. Designed for easy interoperability with C/C++.

Installation

$ mkdir build && cd build && cmake .. && make
# make install

Language demo

C API example

#include <cheax.h>
#include <stdio.h>
 
int main(void)
{
        int result;
        CHEAX *c = cheax_init();
 
        /* Load some "unsafe" functions, e.g. file io and the program
         * exit function */
        cheax_load_feature(c, "all");
 
        /* Make sure cheax doesn't cause a stack overflow */
        cheax_config_int(c, "stack-limit", 4096);
 
        /* Load the standard library */
        if (cheax_load_prelude(c) < 0) {
                /* Display error message on behalf of "example" program */
                cheax_perror(c, "example");
                return EXIT_FAILURE;
        }
 
        /* Synchronize variable `result' with the eponymous symbol
         * in cheax */
        cheax_sync_int(c, "result", &result, 0);
 
        cheax_eval(c, cheax_readstr(c, "(set result (sum (.. 1 100)))"));
 
        cheax_destroy(c);
 
        printf("1 + 2 + ... + 100 = %d\n", result);
        return 0;
}