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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_public, args_divide_grouped };
#[proc_macro]
pub fn make_wrapper(item: TokenStream) -> TokenStream {
let (name, args, ret) = split_fn(&item);
let (ts_patterns, ts_types) = args_divide_grouped(&args);
let mut out = TokenStream::new();
out.extend(format!("let {} = read_private_input::<{}>().unwrap();", ts_patterns, ts_types).parse::<TokenStream>());
let public_inputs = toml::from_str::<toml::Table>(
include_str!(concat!(env!("INPUTS_DIR"), "/default_public_input.toml"))
)
.unwrap();
let (public_patterns, public_types) = args_divide_public(&args, &public_inputs.keys().collect());
let public_patterns: Vec<(TokenStream, TokenStream)> = public_patterns
.into_iter()
.zip(public_types.into_iter())
.collect();
for (pattern, ptype) in public_patterns {
out.extend(format!("write_output::<{}>(&{});", ptype, pattern).parse::<TokenStream>());
}
out.extend(format!("write_output::<{}>(&zkp::{}{});", ret, name, ts_patterns).parse::<TokenStream>());
let mut block = TokenStream::new();
block.extend(format!("{{ {} }}", out).parse::<TokenStream>());
block
}
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