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use proc_macro::TokenStream;
#[path = "../../../../guests_macro/src/parse_fn.rs"]
mod parse_fn;
use crate::parse_fn::{ split_fn, args_split, args_divide, group_streams };
#[proc_macro]
pub fn make_wrapper(item: TokenStream) -> TokenStream {
let (name, args, ret) = split_fn(&item);
let (patterns, types) = args_divide(&args);
let mut out = TokenStream::new();
for i in 0..patterns.len() {
let type_note: String = format!("{}", types[i])
.chars()
.map(|c| match c {
'<' => ',',
'>' => ' ',
_ => c,
})
.collect();
out.extend(format!("let {} : {} = read!({});", patterns[i], types[i], type_note).parse::<TokenStream>());
}
let ts_patterns = group_streams(&patterns);
out.extend(format!("let result = zkp::{}{}; assert(result); write(result as u64);", name, ts_patterns).parse::<TokenStream>());
let mut block = TokenStream::new();
block.extend(format!("{{ {} }}", out).parse::<TokenStream>());
block
}
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