[FRAME] Remove V1 Module Syntax (#14685)

* Remove V1 pallet syntax Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Remove more Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * More... Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Move no_bound derives to own folder Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * fmt Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Keep re-exports Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> --------- Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
2026-05-09 21:08:01 +00:00 · 2023-07-31 18:49:39 +02:00
parent 49816ff4d9
commit 0853bbba72
22 changed files with 48 additions and 6418 deletions
@@ -0,0 +1,123 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use syn::spanned::Spanned;
+
+/// Derive Debug but do not bound any generics.
+pub fn derive_debug_no_bound(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+	let input: syn::DeriveInput = match syn::parse(input) {
+		Ok(input) => input,
+		Err(e) => return e.to_compile_error().into(),
+	};
+
+	let input_ident = &input.ident;
+	let (impl_generics, ty_generics, where_clause) = input.generics.split_for_impl();
+
+	let impl_ = match input.data {
+		syn::Data::Struct(struct_) => match struct_.fields {
+			syn::Fields::Named(named) => {
+				let fields =
+					named.named.iter().map(|i| &i.ident).map(
+						|i| quote::quote_spanned!(i.span() => .field(stringify!(#i), &self.#i) ),
+					);
+
+				quote::quote!(
+					fmt.debug_struct(stringify!(#input_ident))
+						#( #fields )*
+						.finish()
+				)
+			},
+			syn::Fields::Unnamed(unnamed) => {
+				let fields = unnamed
+					.unnamed
+					.iter()
+					.enumerate()
+					.map(|(i, _)| syn::Index::from(i))
+					.map(|i| quote::quote_spanned!(i.span() => .field(&self.#i) ));
+
+				quote::quote!(
+					fmt.debug_tuple(stringify!(#input_ident))
+						#( #fields )*
+						.finish()
+				)
+			},
+			syn::Fields::Unit => quote::quote!(fmt.write_str(stringify!(#input_ident))),
+		},
+		syn::Data::Enum(enum_) => {
+			let variants = enum_.variants.iter().map(|variant| {
+				let ident = &variant.ident;
+				let full_variant_str = format!("{}::{}", input_ident, ident);
+				match &variant.fields {
+					syn::Fields::Named(named) => {
+						let captured = named.named.iter().map(|i| &i.ident);
+						let debugged = captured.clone().map(|i| {
+							quote::quote_spanned!(i.span() =>
+								.field(stringify!(#i), &#i)
+							)
+						});
+						quote::quote!(
+							Self::#ident { #( ref #captured, )* } => {
+								fmt.debug_struct(#full_variant_str)
+									#( #debugged )*
+									.finish()
+							}
+						)
+					},
+					syn::Fields::Unnamed(unnamed) => {
+						let captured = unnamed
+							.unnamed
+							.iter()
+							.enumerate()
+							.map(|(i, f)| syn::Ident::new(&format!("_{}", i), f.span()));
+						let debugged = captured
+							.clone()
+							.map(|i| quote::quote_spanned!(i.span() => .field(&#i)));
+						quote::quote!(
+							Self::#ident ( #( ref #captured, )* ) => {
+								fmt.debug_tuple(#full_variant_str)
+									#( #debugged )*
+									.finish()
+							}
+						)
+					},
+					syn::Fields::Unit => quote::quote!(
+						Self::#ident => fmt.write_str(#full_variant_str)
+					),
+				}
+			});
+
+			quote::quote!(match *self {
+				#( #variants, )*
+			})
+		},
+		syn::Data::Union(_) => {
+			let msg = "Union type not supported by `derive(DebugNoBound)`";
+			return syn::Error::new(input.span(), msg).to_compile_error().into()
+		},
+	};
+
+	quote::quote!(
+		const _: () = {
+			impl #impl_generics core::fmt::Debug for #input_ident #ty_generics #where_clause {
+				fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
+					#impl_
+				}
+			}
+		};
+	)
+	.into()
+}