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-rw-r--r--tosin-macros/src/lib.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tosin-macros/src/lib.rs b/tosin-macros/src/lib.rs
new file mode 100644
index 0000000..c0651fa
--- /dev/null
+++ b/tosin-macros/src/lib.rs
@@ -0,0 +1,26 @@
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use quote::quote;
+
+#[proc_macro_derive(Model, attributes(model))]
+pub fn model_derive(input: TokenStream) -> TokenStream {
+ // Construct a representation of Rust code as a syntax tree
+ // that we can manipulate
+ let ast = syn::parse(input).unwrap();
+
+ // Build the trait implementation
+ impl_model(&ast)
+}
+
+fn impl_model(ast: &syn::DeriveInput) -> TokenStream {
+ let name = &ast.ident;
+ let gen = quote! {
+ impl #name {
+ fn hello_macro() {
+ println!("Hello, Macro! My name is {}!", stringify!(#name));
+ }
+ }
+ };
+ gen.into()
+}