rust/src/libsyntax_expand/lib.rs

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#![feature(crate_visibility_modifier)]
2019-10-18 16:54:17 -05:00
#![feature(decl_macro)]
#![feature(proc_macro_diagnostic)]
#![feature(proc_macro_internals)]
#![feature(proc_macro_span)]
extern crate proc_macro as pm;
// A variant of 'try!' that panics on an Err. This is used as a crutch on the
// way towards a non-panic!-prone parser. It should be used for fatal parsing
// errors; eventually we plan to convert all code using panictry to just use
// normal try.
#[macro_export]
macro_rules! panictry {
($e:expr) => ({
use std::result::Result::{Ok, Err};
use errors::FatalError;
match $e {
Ok(e) => e,
Err(mut e) => {
e.emit();
FatalError.raise()
}
}
})
}
mod placeholders;
mod proc_macro_server;
crate use syntax_pos::hygiene;
pub use mbe::macro_rules::compile_declarative_macro;
pub mod base;
pub mod build;
pub mod expand;
pub mod proc_macro;
crate mod mbe;