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Fix typechecking when spawning something type inferred. 

Of course, we still don't *translate* it.

Closes #757.
This commit is contained in:
Michael Sullivan 2011-08-02 17:16:01 -07:00
parent 228422303f
commit fcc458d4a0
1 changed files with 10 additions and 8 deletions
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18
src/comp/middle/typeck.rs
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@ -2062,8 +2062,7 @@ fn check_expr(fcx: &@fn_ctxt, expr: &@ast::expr) -> bool {
ty::mk_fn(fcx.ccx.tcx, proto_1, arg_tys_1, rt_1, cf, constrs);
}
_ {
log_err "LHS of bind expr didn't have a function type?!";
fail;
fail "LHS of bind expr didn't have a function type?!";
}
}
write::ty_only_fixup(fcx, id, t_1);
@ -2087,8 +2086,7 @@ fn check_expr(fcx: &@fn_ctxt, expr: &@ast::expr) -> bool {
}
ty::ty_native_fn(_, _, rt) { rt_1 = rt; }
_ {
log_err "LHS of call expr didn't have a function type?!";
fail;
fail "LHS of call expr didn't have a function type?!";
}
}
write::ty_only_fixup(fcx, id, rt_1);
@ -2114,7 +2112,7 @@ fn check_expr(fcx: &@fn_ctxt, expr: &@ast::expr) -> bool {
}
none. {
fcx.ccx.tcx.sess.bug("didn't find " + int::str(did.node) +
" in type cache");
" in type cache");
}
}
}
@ -2124,8 +2122,7 @@ fn check_expr(fcx: &@fn_ctxt, expr: &@ast::expr) -> bool {
none. {
// Shouldn't happen.
fcx.ccx.tcx.sess.span_err(expr.span,
"self-call in non-object \
context");
"self-call in non-object context");
}
}
@ -2151,7 +2148,12 @@ fn check_expr(fcx: &@fn_ctxt, expr: &@ast::expr) -> bool {
ast::expr_spawn(_, _, f, args) {
bot = check_call(fcx, expr.span, f, args, kind_spawn);
let fty = expr_ty(fcx.ccx.tcx, f);
let ret_ty = ty::ret_ty_of_fn_ty(fcx.ccx.tcx, fty);
let ret_ty = alt structure_of(fcx, expr.span, fty) {
ty::ty_fn(_, _, rt, _, _) { rt }
ty::ty_native_fn(_, _, rt) { rt }
_ { fail "LHS of spawn expr didn't have a function type?!" }
};
demand::simple(fcx, f.span, ty::mk_nil(fcx.ccx.tcx), ret_ty);
// make sure they aren't spawning a function with type params