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#![allow(clippy::cognitive_complexity)] #![forbid(unsafe_code)] extern crate proc_macro; mod args; mod r#enum; mod input_object; mod interface; mod merged_object; mod merged_subscription; mod object; mod output_type; mod scalar; mod simple_object; mod subscription; mod union; mod utils; use darling::{FromDeriveInput, FromMeta}; use proc_macro::TokenStream; 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::from_list(&parse_macro_input!(args as AttributeArgs)) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; let mut item_impl = parse_macro_input!(input as ItemImpl); match object::generate(&object_args, &mut item_impl) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(SimpleObject, attributes(graphql))] pub fn derive_simple_object(input: TokenStream) -> TokenStream { let object_args = match args::SimpleObject::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; match simple_object::generate(&object_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(Enum, attributes(graphql))] pub fn derive_enum(input: TokenStream) -> TokenStream { let enum_args = match args::Enum::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(enum_args) => enum_args, Err(err) => return TokenStream::from(err.write_errors()), }; match r#enum::generate(&enum_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(InputObject, attributes(graphql))] pub fn derive_input_object(input: TokenStream) -> TokenStream { let object_args = match args::InputObject::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; match input_object::generate(&object_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(Interface, attributes(graphql))] pub fn derive_interface(input: TokenStream) -> TokenStream { let interface_args = match args::Interface::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(interface_args) => interface_args, Err(err) => return TokenStream::from(err.write_errors()), }; match interface::generate(&interface_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(Union, attributes(graphql))] pub fn derive_union(input: TokenStream) -> TokenStream { let union_args = match args::Union::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(union_args) => union_args, Err(err) => return TokenStream::from(err.write_errors()), }; match union::generate(&union_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Subscription(args: TokenStream, input: TokenStream) -> TokenStream { let object_args = match args::Subscription::from_list(&parse_macro_input!(args as AttributeArgs)) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; let mut item_impl = parse_macro_input!(input as ItemImpl); match subscription::generate(&object_args, &mut item_impl) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_attribute] #[allow(non_snake_case)] pub fn Scalar(args: TokenStream, input: TokenStream) -> TokenStream { let scalar_args = match args::Scalar::from_list(&parse_macro_input!(args as AttributeArgs)) { Ok(scalar_args) => scalar_args, Err(err) => return TokenStream::from(err.write_errors()), }; let mut item_impl = parse_macro_input!(input as ItemImpl); match scalar::generate(&scalar_args, &mut item_impl) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(MergedObject, attributes(graphql))] pub fn derive_merged_object(input: TokenStream) -> TokenStream { let object_args = match args::MergedObject::from_derive_input(&parse_macro_input!(input as DeriveInput)) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; match merged_object::generate(&object_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } } #[proc_macro_derive(MergedSubscription, attributes(graphql))] pub fn derive_merged_subscription(input: TokenStream) -> TokenStream { let object_args = match args::MergedSubscription::from_derive_input(&parse_macro_input!( input as DeriveInput )) { Ok(object_args) => object_args, Err(err) => return TokenStream::from(err.write_errors()), }; match merged_subscription::generate(&object_args) { Ok(expanded) => expanded, Err(err) => err.write_errors().into(), } }