luaur-code-gen 0.1.0

Native (A64/X64) code generation for Luau (Rust).
Documentation 
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use crate::macros::codegen_target_a_64::CODEGEN_TARGET_A64;
use crate::macros::codegen_target_x_64::CODEGEN_TARGET_X64;

pub fn is_unwind_supported() -> bool {
    #[cfg(all(
        target_os = "windows",
        any(target_arch = "x86_64", target_arch = "x86")
    ))]
    {
        true
    }

    #[cfg(all(
        target_os = "macos",
        target_arch = "aarch64",
        not(target_os = "windows")
    ))]
    {
        // libunwind on macOS 12 and earlier (which maps to osrelease 21) assumes JIT
        // frames use pointer authentication without a way to override that.
        // Check kern.osrelease >= 22.
        use std::process::Command;

        let output = Command::new("sysctl")
            .arg("-n")
            .arg("kern.osrelease")
            .output();

        match output {
            Ok(out) if out.status.success() => {
                let ver = String::from_utf8_lossy(&out.stdout);
                let ver = ver.trim();
                matches!(ver.parse::<u32>(), Ok(n) if n >= 22)
            }
            _ => false,
        }
    }

    #[cfg(all(
        any(target_os = "linux", target_os = "macos"),
        any(target_arch = "x86_64", target_arch = "x86", target_arch = "aarch64"),
        not(target_os = "windows"),
        not(all(target_os = "macos", target_arch = "aarch64"))
    ))]
    {
        true
    }

    #[cfg(not(any(
        all(
            target_os = "windows",
            any(target_arch = "x86_64", target_arch = "x86")
        ),
        all(target_os = "macos", target_arch = "aarch64"),
        all(
            any(target_os = "linux", target_os = "macos"),
            any(target_arch = "x86_64", target_arch = "x86", target_arch = "aarch64"),
            not(all(target_os = "macos", target_arch = "aarch64"))
        )
    )))]
    {
        false
    }
}