user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rustc: Add regions to the type system

Browse source
This commit is contained in:
Patrick Walton 2012-03-08 14:05:16 -08:00
parent ebc1d3e704
commit 0e17cdb627
6 changed files with 59 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/rustc/metadata/tyencode.rs
View file

@ -93,6 +93,19 @@ fn enc_mt(w: io::writer, cx: @ctxt, mt: ty::mt) {
}
enc_ty(w, cx, mt.ty);
}
fn enc_region(w: io::writer, cx: @ctxt, r: ty::region) {
alt r {
ty::re_named(did) {
w.write_char('n'); w.write_str(cx.ds(did)); w.write_char('|');
}
ty::re_caller(did) {
w.write_char('c'); w.write_str(cx.ds(did)); w.write_char('|');
}
ty::re_block(nid) {
w.write_char('b'); w.write_int(nid); w.write_char('|');
}
}
}
fn enc_sty(w: io::writer, cx: @ctxt, st: ty::sty) {
alt st {
ty::ty_nil { w.write_char('n'); }
@ -147,6 +160,11 @@ fn enc_sty(w: io::writer, cx: @ctxt, st: ty::sty) {
ty::ty_box(mt) { w.write_char('@'); enc_mt(w, cx, mt); }
ty::ty_uniq(mt) { w.write_char('~'); enc_mt(w, cx, mt); }
ty::ty_ptr(mt) { w.write_char('*'); enc_mt(w, cx, mt); }
ty::ty_rptr(r, mt) {
w.write_char('&');
enc_region(w, cx, r);
enc_mt(w, cx, mt);
}
ty::ty_vec(mt) { w.write_char('I'); enc_mt(w, cx, mt); }
ty::ty_rec(fields) {
w.write_str("R[");