squiid/rust
1
0
Fork 0
Code Issues Pull requests Projects Activity

Translate tuple-expressions.

Browse source
This commit is contained in:
Graydon Hoare 2010-11-24 18:10:52 -08:00
parent 78ec07790a
commit cffdb66aa4
1 changed files with 23 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
src/comp/middle/trans.rs
View file

@ -1141,6 +1141,24 @@ impure fn trans_call(@block_ctxt cx, &ast.expr f,
args_res._0.build.FastCall(f_res._0.val, llargs));
}
impure fn trans_tup(@block_ctxt cx, vec[tup(bool, @ast.expr)] args,
&ast.ann ann) -> result {
auto ty = node_type(cx.fcx.ccx, ann);
auto tup_val = cx.build.Alloca(ty);
let int i = 0;
auto r = res(cx, C_nil());
for (tup(bool, @ast.expr) arg in args) {
auto t = typeck.expr_ty(arg._1);
auto src_res = trans_expr(r.bcx, *arg._1);
auto dst_elt = r.bcx.build.GEP(tup_val, vec(C_int(0), C_int(i)));
// FIXME: calculate copy init-ness in typestate.
r = copy_ty(src_res.bcx, true, dst_elt, src_res.val, t);
i += 1;
}
ret res(r.bcx, tup_val);
}
impure fn trans_expr(@block_ctxt cx, &ast.expr e) -> result {
alt (e.node) {
case (ast.expr_lit(?lit, _)) {
@ -1192,6 +1210,7 @@ impure fn trans_expr(@block_ctxt cx, &ast.expr e) -> result {
check (lhs_res._1);
auto rhs_res = trans_expr(lhs_res._0.bcx, *src);
auto t = node_ann_type(cx.fcx.ccx, ann);
// FIXME: calculate copy init-ness in typestate.
ret copy_ty(rhs_res.bcx, true, lhs_res._0.val, rhs_res.val, t);
}
@ -1202,6 +1221,10 @@ impure fn trans_expr(@block_ctxt cx, &ast.expr e) -> result {
case (ast.expr_cast(?e, _, ?ann)) {
ret trans_cast(cx, *e, ann);
}
case (ast.expr_tup(?args, ?ann)) {
ret trans_tup(cx, args, ann);
}
}
cx.fcx.ccx.sess.unimpl("expr variant in trans_expr");
fail;