---

yaml
---
r: 72630
b: refs/heads/dist-snap
c: 3402435
h: refs/heads/master
v: v3

Author: nikomatsakis

[refs]

@@ -7,7 +7,7 @@ refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
 refs/heads/incoming: b50030718cf28f2a5a81857a26b57442734fe854
-refs/heads/dist-snap: 47050c499a7cc6823ce8ac94f9766dd7a5e61108
+refs/heads/dist-snap: 34024353e86e22e459a1981f563e3d4f43906432
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0

branches/dist-snap/doc/rust.md

@@ -1467,8 +1467,8 @@ A complete list of the built-in language items follows:
   : Elements can be subtracted.
 `mul`
   : Elements can be multiplied.
-`div`
-  : Elements have a division operation.
+`quot`
+  : Elements have a quotient operation.
 `rem`
   : Elements have a remainder operation.
 `neg`
@@ -1857,7 +1857,7 @@ The default meaning of the operators on standard types is given here.
     Calls the `mul` method on the `core::ops::Mul` trait.
 `/`
   : Quotient.
-    Calls the `div` method on the `core::ops::Div` trait.
+    Calls the `quot` method on the `core::ops::Quot` trait.
 `%`
   : Remainder.
     Calls the `rem` method on the `core::ops::Rem` trait.
@@ -2393,7 +2393,7 @@ variables in the arm's block, and control enters the block.
 An example of an `match` expression:
 
 
-~~~~
+~~~~ {.xfail-test}
 # fn process_pair(a: int, b: int) { }
 # fn process_ten() { }
 

branches/dist-snap/mk/clean.mk

@@ -48,7 +48,7 @@ clean-misc:
 	$(Q)rm -f $(RUSTLLVM_LIB_OBJS) $(RUSTLLVM_OBJS_OBJS) $(RUSTLLVM_DEF)
 	$(Q)rm -Rf $(DOCS)
 	$(Q)rm -Rf $(GENERATED)
-	$(Q)rm -f tmp/*
+	$(Q)rm -f tmp/*.log tmp/*.rc tmp/*.rs tmp/*.ok
 	$(Q)rm -Rf rust-stage0-*.tar.bz2 $(PKG_NAME)-*.tar.gz dist
 	$(Q)rm -Rf $(foreach ext, \
                  html aux cp fn ky log pdf pg toc tp vr cps, \

branches/dist-snap/mk/rt.mk

@@ -163,16 +163,14 @@ endif
 ifdef CFG_WINDOWSY_$(1)
 $$(LIBUV_LIB_$(1)): $$(LIBUV_DEPS)
 	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
-		CFLAGS="$$(CFG_GCCISH_CFLAGS)" \
-		LDFLAGS="$$(CFG_GCCISH_LINK_FLAGS)" \
 		builddir_name="$$(CFG_BUILD_DIR)/rt/$(1)/libuv" \
 		OS=mingw \
 		V=$$(VERBOSE)
 else ifeq ($(OSTYPE_$(1)), linux-androideabi)
 $$(LIBUV_LIB_$(1)): $$(LIBUV_DEPS)
 	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
-		CFLAGS="$$(CFG_GCCISH_CFLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
-		LDFLAGS="$$(CFG_GCCISH_LINK_FLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1)))" \
+		CFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
+		LDFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1)))" \
 		CC="$$(CC_$(1))" \
 		CXX="$$(CXX_$(1))" \
 		AR="$$(AR_$(1))" \
@@ -183,8 +181,8 @@ $$(LIBUV_LIB_$(1)): $$(LIBUV_DEPS)
 else
 $$(LIBUV_LIB_$(1)): $$(LIBUV_DEPS)
 	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
-		CFLAGS="$$(CFG_GCCISH_CFLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
-		LDFLAGS="$$(CFG_GCCISH_LINK_FLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1)))" \
+		CFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
+		LDFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1)))" \
 		CC="$$(CC_$(1))" \
 		CXX="$$(CXX_$(1))" \
 		AR="$$(AR_$(1))" \

branches/dist-snap/src/compiletest/compiletest.rc

@@ -223,3 +223,10 @@ pub fn make_test_closure(config: config, testfile: &Path) -> test::TestFn {
     let testfile = testfile.to_str();
     test::DynTestFn(|| runtest::run(config, testfile))
 }
+
+// Local Variables:
+// fill-column: 78;
+// indent-tabs-mode: nil
+// c-basic-offset: 4
+// buffer-file-coding-system: utf-8-unix
+// End:

branches/dist-snap/src/etc/unicode.py

@@ -235,10 +235,6 @@ def emit_decomp_module(f, canon, compat):
 rf = open(r, "w")
 
 (canon_decomp, compat_decomp, gencats) = load_unicode_data("UnicodeData.txt")
-
-# Explain that the source code was generated by this script.
-rf.write('// The following code was generated by "src/etc/unicode.py"\n\n')
-
 emit_property_module(rf, "general_category", gencats)
 
 #emit_decomp_module(rf, canon_decomp, compat_decomp)

branches/dist-snap/src/etc/ziggurat_tables.py

@@ -42,7 +42,7 @@ pub fn empty_cell<T>() -> Cell<T> {
 pub impl<T> Cell<T> {
     /// Yields the value, failing if the cell is empty.
     fn take(&self) -> T {
-        let mut self = unsafe { transmute_mut(self) };
+        let self = unsafe { transmute_mut(self) };
         if self.is_empty() {
             fail!(~"attempt to take an empty cell");
         }
@@ -54,7 +54,7 @@ pub impl<T> Cell<T> {
 
     /// Returns the value, failing if the cell is full.
     fn put_back(&self, value: T) {
-        let mut self = unsafe { transmute_mut(self) };
+        let self = unsafe { transmute_mut(self) };
         if !self.is_empty() {
             fail!(~"attempt to put a value back into a full cell");
         }

branches/dist-snap/src/libcore/cell.rs

@@ -10,7 +10,6 @@
 
 //! Utilities for manipulating the char type
 
-#[cfg(notest)]
 use cmp::Ord;
 use option::{None, Option, Some};
 use str;

branches/dist-snap/src/libcore/char.rs

@@ -15,6 +15,7 @@ use ptr::mut_null;
 use repr::BoxRepr;
 use sys::TypeDesc;
 use cast::transmute;
+use unstable::lang::clear_task_borrow_list;
 
 #[cfg(notest)] use ptr::to_unsafe_ptr;
 
@@ -126,22 +127,29 @@ struct AnnihilateStats {
     n_bytes_freed: uint
 }
 
-unsafe fn each_live_alloc(f: &fn(box: *mut BoxRepr, uniq: bool) -> bool) {
+unsafe fn each_live_alloc(read_next_before: bool,
+                          f: &fn(box: *mut BoxRepr, uniq: bool) -> bool) {
+    //! Walks the internal list of allocations
+
     use managed;
 
     let task: *Task = transmute(rustrt::rust_get_task());
     let box = (*task).boxed_region.live_allocs;
     let mut box: *mut BoxRepr = transmute(copy box);
     while box != mut_null() {
-        let next = transmute(copy (*box).header.next);
+        let next_before = transmute(copy (*box).header.next);
         let uniq =
             (*box).header.ref_count == managed::raw::RC_MANAGED_UNIQUE;
 
         if ! f(box, uniq) {
             break
         }
 
-        box = next
+        if read_next_before {
+            box = next_before;
+        } else {
+            box = transmute(copy (*box).header.next);
+        }
     }
 }
 
@@ -159,7 +167,7 @@ fn debug_mem() -> bool {
 #[cfg(notest)]
 #[lang="annihilate"]
 pub unsafe fn annihilate() {
-    use unstable::lang::local_free;
+    use unstable::lang::{local_free, debug_ptr};
     use io::WriterUtil;
     use io;
     use libc;
@@ -172,28 +180,51 @@ pub unsafe fn annihilate() {
         n_bytes_freed: 0
     };
 
+    // Quick hack: we need to free this list upon task exit, and this
+    // is a convenient place to do it.
+    clear_task_borrow_list();
+
     // Pass 1: Make all boxes immortal.
-    for each_live_alloc |box, uniq| {
+    //
+    // In this pass, nothing gets freed, so it does not matter whether
+    // we read the next field before or after the callback.
+    for each_live_alloc(true) |box, uniq| {
         stats.n_total_boxes += 1;
         if uniq {
+            debug_ptr("Managed-uniq: ", &*box);
             stats.n_unique_boxes += 1;
         } else {
+            debug_ptr("Immortalizing: ", &*box);
             (*box).header.ref_count = managed::raw::RC_IMMORTAL;
         }
     }
 
     // Pass 2: Drop all boxes.
-    for each_live_alloc |box, uniq| {
+    //
+    // In this pass, unique-managed boxes may get freed, but not
+    // managed boxes, so we must read the `next` field *after* the
+    // callback, as the original value may have been freed.
+    for each_live_alloc(false) |box, uniq| {
         if !uniq {
+            debug_ptr("Invoking tydesc/glue on: ", &*box);
             let tydesc: *TypeDesc = transmute(copy (*box).header.type_desc);
             let drop_glue: DropGlue = transmute(((*tydesc).drop_glue, 0));
+            debug_ptr("Box data: ", &(*box).data);
+            debug_ptr("Type descriptor: ", tydesc);
             drop_glue(to_unsafe_ptr(&tydesc), transmute(&(*box).data));
+            debug_ptr("Dropped ", &*box);
         }
     }
 
     // Pass 3: Free all boxes.
-    for each_live_alloc |box, uniq| {
+    //
+    // In this pass, managed boxes may get freed (but not
+    // unique-managed boxes, though I think that none of those are
+    // left), so we must read the `next` field before, since it will
+    // not be valid after.
+    for each_live_alloc(true) |box, uniq| {
         if !uniq {
+            debug_ptr("About to free: ", &*box);
             stats.n_bytes_freed +=
                 (*((*box).header.type_desc)).size
                 + sys::size_of::<BoxRepr>();

branches/dist-snap/src/libcore/cleanup.rs

@@ -205,8 +205,8 @@ impl<T: Owned> Selectable for Port<T> {
     fn header(&self) -> *PacketHeader {
         unsafe {
             match self.endp {
-              Some(ref endp) => endp.header(),
-              None => fail!(~"peeking empty stream")
+                Some(ref endp) => endp.header(),
+                None => fail!(~"peeking empty stream")
             }
         }
     }