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extern crate proc_macro;
use proc_macro::TokenStream;
use quote::{quote, ToTokens};
use syn::parse_macro_input;
mod cookies;
mod forms;
mod models;
mod route;
mod util;
#[proc_macro_attribute]
pub fn cookie(_: TokenStream, item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::ItemStruct);
let cookie = cookies::cookie(&ast);
let mut tokens = ast.to_token_stream();
tokens.extend(cookie);
TokenStream::from(tokens)
}
#[proc_macro_attribute]
pub fn form(meta: TokenStream, item: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(item as syn::ItemStruct);
let meta = parse_macro_input!(meta as forms::FormMeta);
let display = forms::form(&meta, &mut ast);
let mut tokens = ast.to_token_stream();
tokens.extend(display);
TokenStream::from(tokens)
}
#[proc_macro_attribute]
pub fn handler(meta: TokenStream, item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::ItemFn);
let methods = parse_macro_input!(meta as route::HandlerMethods).methods;
route::handler(&methods, ast)
}
#[proc_macro_attribute]
pub fn scope(_: TokenStream, item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::ItemFn);
route::scope(ast)
}
#[proc_macro]
pub fn route(item: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(item as syn::ExprMatch);
route::route(&mut ast);
quote!(#ast).into()
}
#[proc_macro_derive(ToField, attributes(option))]
pub fn derive_to_field(item: TokenStream) -> TokenStream {
let ast = parse_macro_input!(item as syn::DeriveInput);
TokenStream::from(forms::to_field(ast))
}
#[proc_macro_attribute]
pub fn model(_: TokenStream, item: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(item as syn::ItemStruct);
let impls = models::model(&mut ast);
let mut tokens = ast.to_token_stream();
tokens.extend(impls);
TokenStream::from(tokens)
}
#[proc_macro_attribute]
pub fn model_type(_: TokenStream, item: TokenStream) -> TokenStream {
let mut ast = parse_macro_input!(item as syn::Item);
let impls = models::model_type(&mut ast);
let mut tokens = ast.to_token_stream();
tokens.extend(impls);
TokenStream::from(tokens)
}