sillylisp

A sort-of-a-lisp extracted from a previous project.

Originally intended to be used as a configuration language. Designed to be easy to grok and fast. It doesn't have a garbage collector but instead frees everything when the environment is destroyed. Uses lists instead of cons cells internally.

Supports lambdas, special forms, recursion, debugging, tracing, defining functions and variables, etc.

Building

zig build

Running

zig build run

This will open an interactive REPL.

Usage

const std = @import("std");
const environment = @import("environment.zig");

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{ .enable_memory_limit = true }){};
    var allocator = gpa.allocator();
    const stdin = std.io.getStdIn().reader();
    const stdout = std.io.getStdOut().writer();
    var env = try environment.Environment.init(allocator);
    defer env.deinit();

    var expression = "(+ 1 2 3)"
    const result = try env.load(expression);
    try result.toString(stdout);
    try stdout.print("\n", .{});
}