feat: Added new crate harmony_macros with ip! macro to facilitate creating ip addresses

harmony-rs/harmony_macros/Cargo.lock

@@ -0,0 +1,46 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "harmony_macros"
+version = "1.0.0"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.90"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"

harmony-rs/harmony_macros/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "harmony_macros"
+edition = "2024"
+version = "1.0.0"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+quote = "1.0.37"
+syn = "2.0.90"

harmony-rs/harmony_macros/src/lib.rs

@@ -0,0 +1,23 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use quote::quote;
+use syn::{parse_macro_input, LitStr};
+
+#[proc_macro]
+pub fn ip(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input as LitStr);
+    let ip_str = input.value();
+
+    if let Ok(_) = ip_str.parse::<std::net::Ipv4Addr>() {
+        let expanded = quote! { std::net::IpAddr::V4(#ip_str.parse::<std::net::Ipv4Addr>().unwrap()) };
+        return TokenStream::from(expanded);
+    }
+
+    if let Ok(_) = ip_str.parse::<std::net::Ipv6Addr>() {
+        let expanded = quote! { std::net::IpAddr::V4(#ip_str.parse::<std::net::Ipv6Addr>().unwrap()) };
+        return TokenStream::from(expanded);
+    }
+
+    panic!("Invalid IP address: {}", ip_str);
+}