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#![allow(clippy::cognitive_complexity)] extern crate proc_macro; mod args; mod r#enum; mod input_object; mod interface; mod object; mod output_type; mod simple_object; mod subscription; mod union; mod utils; use crate::utils::get_crate_name; use proc_macro::TokenStream; use quote::quote; use syn::parse_macro_input; use syn::{AttributeArgs, DeriveInput, ItemImpl}; #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Object(args: TokenStream, input: TokenStream) -> TokenStream { let object_args = match args::Object::parse(parse_macro_input!(args as AttributeArgs)) { Ok(object_args) => object_args, Err(err) => return err.to_compile_error().into(), }; let mut item_impl = parse_macro_input!(input as ItemImpl); match object::generate(&object_args, &mut item_impl) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn SimpleObject(args: TokenStream, input: TokenStream) -> TokenStream { let object_args = match args::Object::parse(parse_macro_input!(args as AttributeArgs)) { Ok(object_args) => object_args, Err(err) => return err.to_compile_error().into(), }; let mut derive_input = parse_macro_input!(input as DeriveInput); match simple_object::generate(&object_args, &mut derive_input) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Enum(args: TokenStream, input: TokenStream) -> TokenStream { let enum_args = match args::Enum::parse(parse_macro_input!(args as AttributeArgs)) { Ok(enum_args) => enum_args, Err(err) => return err.to_compile_error().into(), }; let input = parse_macro_input!(input as DeriveInput); match r#enum::generate(&enum_args, &input) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn InputObject(args: TokenStream, input: TokenStream) -> TokenStream { let object_args = match args::InputObject::parse(parse_macro_input!(args as AttributeArgs)) { Ok(enum_args) => enum_args, Err(err) => return err.to_compile_error().into(), }; let input = parse_macro_input!(input as DeriveInput); match input_object::generate(&object_args, &input) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Interface(args: TokenStream, input: TokenStream) -> TokenStream { let interface_args = match args::Interface::parse(parse_macro_input!(args as AttributeArgs)) { Ok(interface_args) => interface_args, Err(err) => return err.to_compile_error().into(), }; let input = parse_macro_input!(input as DeriveInput); match interface::generate(&interface_args, &input) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Union(args: TokenStream, input: TokenStream) -> TokenStream { let interface_args = match args::Interface::parse(parse_macro_input!(args as AttributeArgs)) { Ok(interface_args) => interface_args, Err(err) => return err.to_compile_error().into(), }; let input = parse_macro_input!(input as DeriveInput); match union::generate(&interface_args, &input) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Subscription(args: TokenStream, input: TokenStream) -> TokenStream { let object_args = match args::Object::parse(parse_macro_input!(args as AttributeArgs)) { Ok(object_args) => object_args, Err(err) => return err.to_compile_error().into(), }; let mut item_impl = parse_macro_input!(input as ItemImpl); match subscription::generate(&object_args, &mut item_impl) { Ok(expanded) => expanded, Err(err) => err.to_compile_error().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn DataSource(args: TokenStream, input: TokenStream) -> TokenStream { let datasource_args = match args::DataSource::parse(parse_macro_input!(args as AttributeArgs)) { Ok(datasource_args) => datasource_args, Err(err) => return err.to_compile_error().into(), }; let item_impl = parse_macro_input!(input as ItemImpl); let crate_name = get_crate_name(datasource_args.internal); let expanded = quote! { #[#crate_name::async_trait::async_trait] #item_impl }; expanded.into() }