#![feature(rustc_private)]
#![feature(box_syntax)]
extern crate rustc;
extern crate rustc_driver;
use rustc::hir::intravisit as hir_visit;
use rustc::hir;
use rustc_driver::driver::{CompileController, CompileState};
pub struct SomeVisitor<'a, 'tcx: 'a> {
pub map: &'a hir::map::Map<'tcx>,
}
impl<'v, 'tcx: 'v> rustc::hir::intravisit::Visitor<'tcx> for SomeVisitor<'v, 'tcx> {
fn nested_visit_map<'this>(&'this mut self) -> hir_visit::NestedVisitorMap<'this, 'tcx> {
hir_visit::NestedVisitorMap::All(self.map)
}
}
fn hir(s: &mut CompileState) {
let krate = s.hir_crate.unwrap();
let map = s.hir_map.unwrap();
let mut visitor = SomeVisitor { map };
hir_visit::walk_crate(&mut visitor, krate);
}
fn main() {
{
let mut controller = CompileController::basic();
controller.after_hir_lowering.callback = box hir;
}
}
This lifetime problem drives me crazy. I almost believe that I have to change the signature of the callback.