♻️ (macros): Adapta main y test a Tokio

`#[pagetop::main]` y `#[pagetop::test]` expanden ahora a
`#[tokio::main]` y `#[tokio::test]`, eliminando la dependencia de
Actix-web.

helpers/pagetop-macros/src/lib.rs

@@ -39,7 +39,7 @@ mod smart_default;
 
 use proc_macro::TokenStream;
 use quote::{quote, quote_spanned};
-use syn::{parse_macro_input, spanned::Spanned, DeriveInput};
+use syn::{DeriveInput, parse_macro_input, spanned::Spanned};
 
 /// Macro para escribir plantillas HTML (basada en [Maud](https://docs.rs/maud)).
 #[proc_macro]
@@ -164,7 +164,7 @@ pub fn derive_auto_default(input: TokenStream) -> TokenStream {
 /// documentación se mostrará la entrada del método `with_...()`.
 #[proc_macro_attribute]
 pub fn builder_fn(_: TokenStream, item: TokenStream) -> TokenStream {
-    use syn::{parse2, FnArg, Ident, ImplItemFn, Pat, ReturnType, TraitItemFn, Type};
+    use syn::{FnArg, Ident, ImplItemFn, Pat, ReturnType, TraitItemFn, Type, parse2};
 
     let ts: proc_macro2::TokenStream = item.clone().into();
 
@@ -451,7 +451,7 @@ pub fn builder_fn(_: TokenStream, item: TokenStream) -> TokenStream {
 #[proc_macro_attribute]
 pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
     let mut output: TokenStream = (quote! {
-        #[::pagetop::service::rt::main(system = "::pagetop::service::rt::System")]
+        #[::tokio::main]
     })
     .into();
 
@@ -472,7 +472,7 @@ pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
 #[proc_macro_attribute]
 pub fn test(_: TokenStream, item: TokenStream) -> TokenStream {
     let mut output: TokenStream = (quote! {
-        #[::pagetop::service::rt::test(system = "::pagetop::service::rt::System")]
+        #[::tokio::test]
     })
     .into();
 

helpers/pagetop-macros/src/maud/ast.rs

@@ -4,7 +4,7 @@ use proc_macro2::TokenStream;
 use proc_macro2_diagnostics::{Diagnostic, SpanDiagnosticExt};
 use quote::ToTokens;
 use syn::{
-    braced, bracketed,
+    Error, Expr, Ident, Lit, LitBool, LitInt, LitStr, Local, Pat, Stmt, braced, bracketed,
     ext::IdentExt,
     parenthesized,
     parse::{Lookahead1, Parse, ParseStream},
@@ -14,7 +14,6 @@ use syn::{
         At, Brace, Bracket, Colon, Comma, Dot, Else, Eq, FatArrow, For, If, In, Let, Match, Minus,
         Paren, Pound, Question, Semi, Slash, While,
     },
-    Error, Expr, Ident, Lit, LitBool, LitInt, LitStr, Local, Pat, Stmt,
 };
 
 #[derive(Debug, Clone)]
@@ -1079,7 +1078,7 @@ impl<E: ToTokens> ToTokens for MatchArm<E> {
 
 pub trait DiagnosticParse: Sized {
     fn diagnostic_parse(input: ParseStream, diagnostics: &mut Vec<Diagnostic>)
-        -> syn::Result<Self>;
+    -> syn::Result<Self>;
 }
 
 impl<T: DiagnosticParse> DiagnosticParse for Box<T> {

helpers/pagetop-macros/src/maud/generate.rs

@@ -1,6 +1,6 @@
 use proc_macro2::{Ident, Span, TokenStream};
-use quote::{quote, ToTokens};
-use syn::{parse_quote, token::Brace, Expr, Local};
+use quote::{ToTokens, quote};
+use syn::{Expr, Local, parse_quote, token::Brace};
 
 use crate::maud::{ast::*, escape};
 

helpers/pagetop-macros/src/smart_default/body_impl.rs

@@ -1,9 +1,9 @@
 use proc_macro2::TokenStream;
 
 use quote::quote;
+use syn::DeriveInput;
 use syn::parse::Error;
 use syn::spanned::Spanned;
-use syn::DeriveInput;
 
 use crate::smart_default::default_attr::{ConversionStrategy, DefaultAttr};
 use crate::smart_default::util::find_only;
@@ -68,7 +68,7 @@ fn default_body_tt(body: &syn::Fields) -> Result<(TokenStream, String), Error> {
     let mut doc = String::new();
     use std::fmt::Write;
     let body_tt = match body {
-        syn::Fields::Named(ref fields) => {
+        syn::Fields::Named(fields) => {
             doc.push_str(" {");
             let result = {
                 let field_assignments = fields
@@ -101,7 +101,7 @@ fn default_body_tt(body: &syn::Fields) -> Result<(TokenStream, String), Error> {
             doc.push('}');
             result
         }
-        syn::Fields::Unnamed(ref fields) => {
+        syn::Fields::Unnamed(fields) => {
             doc.push('(');
             let result = {
                 let field_assignments = fields

helpers/pagetop-macros/src/smart_default/default_attr.rs

@@ -1,6 +1,6 @@
 use proc_macro2::TokenStream;
 use quote::ToTokens;
-use syn::{parse::Error, MetaNameValue};
+use syn::{MetaNameValue, parse::Error};
 
 use crate::smart_default::util::find_only;