1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
#![recursion_limit = "128"] extern crate proc_macro; use proc_macro::TokenStream; use proc_macro2; use quote::quote; use syn::{parse_macro_input, DeriveInput}; mod interface_block; mod resources; mod transform_feedback; mod util; mod vertex; #[proc_macro_derive(InterfaceBlock)] pub fn derive_interface_block(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); interface_block::expand_derive_interface_block(&input) .unwrap_or_else(compile_error) .into() } #[proc_macro_derive(Resources, attributes(resource))] pub fn derive_resources(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); resources::expand_derive_resources(&input) .unwrap_or_else(compile_error) .into() } #[proc_macro_derive(TransformFeedback)] pub fn derive_transform_feedback(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); transform_feedback::expand_derive_transform_feedback(&input).into() } #[proc_macro_derive(Vertex, attributes(vertex_attribute))] pub fn derive_vertex(input: TokenStream) -> TokenStream { let input = parse_macro_input!(input as DeriveInput); vertex::expand_derive_vertex(&input) .unwrap_or_else(compile_error) .into() } fn compile_error(message: String) -> proc_macro2::TokenStream { quote! { compile_error!(#message); } }