1 files changed, 0 insertions, 222 deletions
diff --git a/src/lib/bitv.rs b/src/lib/bitv.rs
deleted file mode 100644
index 1002abc8..00000000
--- a/src/lib/bitv.rs
+++ /dev/null
@@ -1,222 +0,0 @@
-// FIXME: With recursive object types, we could implement binary methods like
-//        union, intersection, and difference. At that point, we could write
-//        an optimizing version of this module that produces a different obj
-//        for the case where nbits <= 32.
-
-// FIXME: Almost all the functions in this module should be state fns, but the
-//        effect system isn't currently working correctly.
-
-state type t = rec(vec[mutable uint] storage, uint nbits);
-
-// FIXME: this should be a constant once they work
-fn uint_bits() -> uint {
-    ret 32u + ((1u << 32u) >> 27u);
-}
-
-fn create(uint nbits, bool init) -> t {
-    auto elt;
-    if (init) {
-        elt = ~0u;
-    } else {
-        elt = 0u;
-    }
-
-    auto storage = _vec.init_elt_mut[uint](elt, nbits / uint_bits() + 1u);
-    ret rec(storage = storage, nbits = nbits);
-}
-
-fn process(&fn(uint, uint) -> uint op, &t v0, &t v1) -> bool {
-    auto len = _vec.len(v1.storage);
-
-    assert (_vec.len(v0.storage) == len);
-    assert (v0.nbits == v1.nbits);
-
-    auto changed = false;
-
-    for each (uint i in _uint.range(0u, len)) {
-        auto w0 = v0.storage.(i);
-        auto w1 = v1.storage.(i);
-
-        auto w = op(w0, w1);
-        if (w0 != w) {
-            changed = true;
-            v0.storage.(i) = w;
-        }
-    }
-
-    ret changed;
-}
-
-fn lor(uint w0, uint w1) -> uint {
-    ret w0 | w1;
-}
-
-fn union(&t v0, &t v1) -> bool {
-    auto sub = lor;
-    ret process(sub, v0, v1);
-}
-
-fn land(uint w0, uint w1) -> uint {
-    ret w0 & w1;
-}
-
-fn intersect(&t v0, &t v1) -> bool {
-    auto sub = land;
-    ret process(sub, v0, v1);
-}
-
-fn right(uint w0, uint w1) -> uint {
-    ret w1;
-}
-
-fn copy(&t v0, t v1) -> bool {
-    auto sub = right;
-    ret process(sub, v0, v1);
-}
-
-fn clone(t v) -> t {
-    auto storage = _vec.init_elt_mut[uint](0u, v.nbits / uint_bits() + 1u);
-    auto len = _vec.len(v.storage);
-    for each (uint i in _uint.range(0u, len)) {
-        storage.(i) = v.storage.(i);
-    }
-    ret rec(storage = storage, nbits = v.nbits);
-}
-
-fn get(&t v, uint i) -> bool {
-    assert (i < v.nbits);
-
-    auto bits = uint_bits();
-
-    auto w = i / bits;
-    auto b = i % bits;
-    auto x = 1u & (v.storage.(w) >> b);
-    ret x == 1u;
-}
-
-fn equal(&t v0, &t v1) -> bool {
-    // FIXME: when we can break or return from inside an iterator loop,
-    //        we can eliminate this painful while-loop
-    auto len = _vec.len(v1.storage);
-    auto i = 0u;
-    while (i < len) {
-        if (v0.storage.(i) != v1.storage.(i)) {
-            ret false;
-        }
-        i = i + 1u;
-    }
-    ret true;
-}
-
-fn clear(&t v) {
-    for each (uint i in _uint.range(0u, _vec.len(v.storage))) {
-        v.storage.(i) = 0u;
-    }
-}
-
-fn invert(&t v) {
-    for each (uint i in _uint.range(0u, _vec.len(v.storage))) {
-        v.storage.(i) = ~v.storage.(i);
-    }
-}
-
-/* v0 = v0 - v1 */
-fn difference(&t v0, &t v1) -> bool {
-    invert(v1);
-    auto b = intersect(v0, v1);
-    invert(v1);
-    ret b;
-}
-
-fn set(&t v, uint i, bool x) {
-    assert (i < v.nbits);
-
-    auto bits = uint_bits();
-
-    auto w = i / bits;
-    auto b = i % bits;
-    auto w0 = v.storage.(w);
-    auto flag = 1u << b;
-    if (x) {
-        v.storage.(w) = v.storage.(w) | flag;
-    } else {
-        v.storage.(w) = v.storage.(w) & ~flag;
-    }
-}
-
-/* true if all bits are 1 */
-fn is_true(&t v) -> bool {
-    for (uint i in to_vec(v)) {
-        if (i != 1u) {
-            ret false;
-        }
-    }
-
-    ret true;
-}
-
-/* true if all bits are non-1 */
-fn is_false(&t v) -> bool {
-    for (uint i in to_vec(v)) {
-        if (i == 1u) {
-            ret false;
-        }
-    }
-
-    ret true;
-}
-
-fn init_to_vec(t v, uint i) -> uint {
-    if (get(v, i)) {
-        ret 1u;
-    } else {
-        ret 0u;
-    }
-}
-
-fn to_vec(&t v) -> vec[uint] {
-    auto sub = bind init_to_vec(v, _);
-    ret _vec.init_fn[uint](sub, v.nbits);
-}
-
-fn to_str(&t v) -> str {
-    auto res = "";
-
-    for (uint i in bitv.to_vec(v)) {
-        if (i == 1u) {
-            res += "1";
-        }
-        else {
-            res += "0";
-        }
-    }
-
-    ret res;
-}
-
-// FIXME: can we just use structural equality on to_vec?
-fn eq_vec(&t v0, &vec[uint] v1) -> bool {
-    assert (v0.nbits == _vec.len[uint](v1));
-    auto len = v0.nbits;
-    auto i = 0u;
-    while (i < len) {
-        auto w0 = get(v0, i);
-        auto w1 = v1.(i);
-        if ((!w0 && w1 != 0u) || (w0 && w1 == 0u)) {
-            ret false;
-        }
-        i = i + 1u;
-    }
-    ret true;
-}
-
-//
-// Local Variables:
-// mode: rust
-// fill-column: 78;
-// indent-tabs-mode: nil
-// c-basic-offset: 4
-// buffer-file-coding-system: utf-8-unix
-// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
-// End:
-//