tengri/dsl/src/lib.rs

#![feature(adt_const_params)]
#![feature(type_alias_impl_trait)]
#![feature(impl_trait_in_fn_trait_return)]
mod error;   pub use self::error::*;
mod token;   pub use self::token::*;
mod iter;    pub use self::iter::*;
mod context; pub use self::context::*;
pub(crate) use self::Value::*;
pub(crate) use self::ParseError::*;
pub(crate) use konst::iter::{ConstIntoIter, IsIteratorKind};
pub(crate) use konst::string::{split_at, str_range, char_indices};
pub(crate) use std::fmt::Debug;
/// Static iteration helper.
#[macro_export] macro_rules! iterate {
    ($expr:expr => $arg: pat => $body:expr) => {
        let mut iter = $expr;
        while let Some(($arg, next)) = iter.next() {
            $body;
            iter = next;
        }
    }
}
/// Implement the const iterator pattern.
#[macro_export] macro_rules! const_iter {
    ($(<$l:lifetime>)?|$self:ident: $Struct:ty| => $Item:ty => $expr:expr) => {
        impl$(<$l>)? Iterator for $Struct {
            type Item = $Item;
            fn next (&mut $self) -> Option<$Item> { $expr }
        }
        impl$(<$l>)? ConstIntoIter for $Struct {
            type Kind = IsIteratorKind;
            type Item = $Item;
            type IntoIter = Self;
        }
    }
}
//#[cfg(test)] #[test] fn test_examples () -> Result<(), ParseError> {    
    //// Let's pretend to render some view.
    //let source = include_str!("../../tek/src/view_arranger.edn");
    //// The token iterator allows you to get the tokens represented by the source text.
    //let mut view = TokenIter(source);
    //// The token iterator wraps a const token+source iterator.
    //assert_eq!(view.0.0, source);
    //let mut expr = view.peek();
    //assert_eq!(view.0.0, source);
    //assert_eq!(expr, Some(Token {
        //source, start: 0, length: source.len() - 1, value: Exp(0, SourceIter(&source[1..]))
    //}));
    ////panic!("{view:?}");
    ////panic!("{:#?}", expr);
    ////for example in [
        ////include_str!("../../tui/examples/edn01.edn"),
        ////include_str!("../../tui/examples/edn02.edn"),
    ////] {
        //////let items = Atom::read_all(example)?;
        //////panic!("{layout:?}");
        //////let content = <dyn ViewContext<::tengri_engine::tui::Tui>>::from(&layout);
    ////}
    //Ok(())
//}