use vapabi;
use proc_macro2::TokenStream;
use constructor::Constructor;
use function::Function;
use event::Event;
pub struct Contract {
constructor: Option<Constructor>,
functions: Vec<Function>,
events: Vec<Event>,
}
impl<'a> From<&'a vapabi::Contract> for Contract {
fn from(c: &'a vapabi::Contract) -> Self {
Contract {
constructor: c.constructor.as_ref().map(Into::into),
functions: c.functions().map(Into::into).collect(),
events: c.events().map(Into::into).collect(),
}
}
}
impl Contract {
pub fn generate(&self) -> TokenStream {
let constructor = self.constructor.as_ref().map(Constructor::generate);
let functions: Vec<_> = self.functions.iter().map(Function::generate).collect();
let events: Vec<_> = self.events.iter().map(Event::generate_event).collect();
let logs: Vec<_> = self.events.iter().map(Event::generate_log).collect();
quote! {
use vapabi;
const INTERNAL_ERR: &'static str = "`vapabi_derive` internal error";
#constructor
pub mod functions {
use super::INTERNAL_ERR;
#(#functions)*
}
pub mod events {
use super::INTERNAL_ERR;
#(#events)*
}
pub mod logs {
use super::INTERNAL_ERR;
use vapabi;
#(#logs)*
}
}
}
}
#[cfg(test)]
mod test {
use vapabi;
use super::Contract;
#[test]
fn test_no_body() {
let vapabi_contract = vapabi::Contract {
constructor: None,
functions: Default::default(),
events: Default::default(),
fallback: false,
};
let c = Contract::from(&vapabi_contract);
let expected = quote! {
use vapabi;
const INTERNAL_ERR: &'static str = "`vapabi_derive` internal error";
pub mod functions {
use super::INTERNAL_ERR;
}
pub mod events {
use super::INTERNAL_ERR;
}
pub mod logs {
use super::INTERNAL_ERR;
use vapabi;
}
};
assert_eq!(expected.to_string(), c.generate().to_string());
}
}