const std = @import("std");

const fern = @import("fern");
const zlua = @import("zlua");
pub const Lua = zlua.Lua;

const maivi = @import("../root.zig");

/// * Pops from Stack: `(args.args + 1)`
/// * Pushes to Stack: `(args.results|1)`
pub fn pcall(l: *Lua, args: Lua.ProtectedCallArgs) !void {
    return l.protectedCall(args) catch |err| switch (err) {
        error.LuaRuntime => {
            const msg = try l.toString(-1);
            l.pop(1);
            l.traceback(l, msg, 1);
            const str = try l.toString(-1);
            l.pop(1);
            const e = try maivi.allocator.dupe(u8, str);
            defer maivi.allocator.free(e);
            fern.err().ctx("lua.pcall").str("err", e).log();
            return err;
        },
        else => {
            fern.err().ctx("lua.pcall").err(err).log();
            return err;
        },
    };
}