---

yaml
---
r: 123765
b: refs/heads/master
c: 6323e86
h: refs/heads/master
i:
  123763: 94ef67a
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 20a6a6d8485f6c5f9f31fa44b7029da188ab5e2b
+refs/heads/master: 6323e8653cf46da4b4d445db491fc5b0c78e86d4
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 8ddd286ea4ba4384a0dc9eae393ed515460a986e
 refs/heads/try: 296eb104620b346d88bc4a2c2ab7693e6d3db019

trunk/man/rustc.1

@@ -11,6 +11,9 @@ This program is a compiler for the Rust language, available at
 
 .SH OPTIONS
 
+.TP
+\fB\-\-crate-name NAME\fR
+Specify the name of the crate being built
 .TP
 \fB\-\-crate-type=[bin|lib|dylib|rlib|staticlib]\fR
 Configure the flavor of rust crate that is generated (default `bin`)

trunk/mk/install.mk

@@ -14,16 +14,18 @@ else
 MAYBE_DISABLE_VERIFY=
 endif
 
-install: dist-install-dir-$(CFG_BUILD)-with-target-libs
-	$(Q)sh tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)" "$(MAYBE_DISABLE_VERIFY)"
+install: dist-install-dir-$(CFG_BUILD)-with-target-libs | tmp/empty_dir
+	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)" "$(MAYBE_DISABLE_VERIFY)"
 # Remove tmp files while we can because they may have been created under sudo
 	$(Q)rm -R tmp/dist
 
-uninstall: dist-install-dir-$(CFG_BUILD)-with-target-libs
-	$(Q)sh tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --uninstall --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)"
+uninstall: dist-install-dir-$(CFG_BUILD)-with-target-libs | tmp/empty_dir
+	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --uninstall --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)"
 # Remove tmp files while we can because they may have been created under sudo
 	$(Q)rm -R tmp/dist
 
+tmp/empty_dir:
+	mkdir -p $@
 
 ######################################################################
 # Android remote installation

trunk/src/etc/install.sh

@@ -466,6 +466,17 @@ while read p; do
 # The manifest lists all files to install
 done < "${CFG_SRC_DIR}/${CFG_LIBDIR_RELATIVE}/rustlib/manifest.in"
 
+# Run ldconfig to make dynamic libraries available to the linker
+if [ "$CFG_OSTYPE" = "Linux" ]
+    then
+    ldconfig
+    if [ $? -ne 0 ]
+    then
+        warn "failed to run ldconfig."
+        warn "this may happen when not installing as root and may be fine"
+    fi
+fi
+
 # Sanity check: can we run the installed binaries?
 #
 # As with the verification above, make sure the right LD_LIBRARY_PATH-equivalent
@@ -489,13 +500,11 @@ then
             err "${ERR}"
         else
             echo
-            echo "    please ensure '${CFG_PREFIX}/lib' is added to ${CFG_LD_PATH_VAR}"
-            echo
+            echo "    Note: please ensure '${CFG_PREFIX}/lib' is added to ${CFG_LD_PATH_VAR}"
         fi
     fi
 fi
 
-
 echo
 echo "    Rust is ready to roll."
 echo

trunk/src/etc/zsh/_rust

@@ -9,10 +9,12 @@ _rustc_opts_switches=(
     -c'[Compile and assemble, but do not link]'
     --cfg'[Configure the compilation environment]'
     --crate-id'[Output the crate id and exit]'
-    --crate-file-name'[Output the file(s) that would be written if compilation continued and exit]'
-    --crate-name'[Output the crate name and exit]'
-    --dep-info'[Output dependency info to <filename> after compiling]'
+    --crate-file-name'[deprecated in favor of --print-file-name]'
+    --crate-name'[Specify the name of the crate being built]'
     --crate-type'[Specify the type of crate to crate]'
+    --debuginfo'[Emit DWARF debug info to the objects created: 0 = no debug info, 1 = line-tables only (for stacktraces and breakpoints), 2 = full debug info with variable and type information (same as -g)]'
+    --dep-info'[Output dependency info to <filename> after compiling]'
+    -g'[Equivalent to --debuginfo=2]'
     {-h,--help}'[Display this message]'
     -L'[Add a directory to the library search path]'
     --linker'[Program to use for linking instead of the default.]'
@@ -29,6 +31,8 @@ _rustc_opts_switches=(
     --parse-only'[Parse only; do not compile, assemble, or link]'
     --passes'[Comma or space separated list of pass names to use]'
     --pretty'[Pretty-print the input instead of compiling]'
+    --print-crate-name'[Output the crate name and exit]'
+    --print-file-name'[Output the file(s) that would be written if compilation continued and exit]'
     --save-temps'[Write intermediate files (.bc, .opt.bc, .o) in addition to normal output]'
     --sysroot'[Override the system root]'
     --test'[Build a test harness]'

trunk/src/libcollections/hash/sip.rs

@@ -269,7 +269,7 @@ pub fn hash_with_keys<T: Hash<SipState>>(k0: u64, k1: u64, value: &T) -> u64 {
 mod tests {
     use test::Bencher;
     use std::prelude::*;
-    use std::num::ToStrRadix;
+    use std::fmt;
 
     use str::Str;
     use string::String;
@@ -370,7 +370,7 @@ mod tests {
         fn to_hex_str(r: &[u8, ..8]) -> String {
             let mut s = String::new();
             for b in r.iter() {
-                s.push_str((*b as uint).to_str_radix(16u).as_slice());
+                s.push_str(format!("{}", fmt::radix(*b, 16)).as_slice());
             }
             s
         }
@@ -391,7 +391,7 @@ mod tests {
             let r = result_bytes(h);
             let mut s = String::new();
             for b in r.iter() {
-                s.push_str((*b as uint).to_str_radix(16u).as_slice());
+                s.push_str(format!("{}", fmt::radix(*b, 16)).as_slice());
             }
             s
         }

trunk/src/libcore/atomics.rs

@@ -141,7 +141,7 @@ impl AtomicBool {
     ///
     /// fn with_lock(spinlock: &Arc<AtomicBool>, f: || -> ()) {
     ///     // CAS loop until we are able to replace `false` with `true`
-    ///     while spinlock.compare_and_swap(false, true, SeqCst) == false {
+    ///     while spinlock.compare_and_swap(false, true, SeqCst) != false {
     ///         // Since tasks may not be preemptive (if they are green threads)
     ///         // yield to the scheduler to let the other task run. Low level
     ///         // concurrent code needs to take into account Rust's two threading

trunk/src/libgreen/lib.rs

@@ -164,10 +164,18 @@
 //! possibly pinned to a particular scheduler thread:
 //!
 //! ```rust
+//! extern crate green;
+//! extern crate rustuv;
+//!
+//! # fn main() {
 //! use std::task::TaskBuilder;
 //! use green::{SchedPool, PoolConfig, GreenTaskBuilder};
 //!
-//! let config = PoolConfig::new();
+//! let mut config = PoolConfig::new();
+//!
+//! // Optional: Set the event loop to be rustuv's to allow I/O to work
+//! config.event_loop_factory = rustuv::event_loop;
+//!
 //! let mut pool = SchedPool::new(config);
 //!
 //! // Spawn tasks into the pool of schedulers
@@ -195,6 +203,7 @@
 //! // Required to shut down this scheduler pool.
 //! // The task will fail if `shutdown` is not called.
 //! pool.shutdown();
+//! # }
 //! ```
 
 #![crate_name = "green"]

trunk/src/libgreen/stack.rs

@@ -8,14 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::ptr;
 use std::sync::atomics;
 use std::os::{errno, page_size, MemoryMap, MapReadable, MapWritable,
-              MapNonStandardFlags, MapVirtual, getenv};
+              MapNonStandardFlags, getenv};
 use libc;
 
 /// A task's stack. The name "Stack" is a vestige of segmented stacks.
 pub struct Stack {
-    buf: MemoryMap,
+    buf: Option<MemoryMap>,
     min_size: uint,
     valgrind_id: libc::c_uint,
 }
@@ -52,11 +53,11 @@ impl Stack {
         // guaranteed to be aligned properly.
         if !protect_last_page(&stack) {
             fail!("Could not memory-protect guard page. stack={}, errno={}",
-                  stack.data, errno());
+                  stack.data(), errno());
         }
 
         let mut stk = Stack {
-            buf: stack,
+            buf: Some(stack),
             min_size: size,
             valgrind_id: 0
         };
@@ -71,22 +72,23 @@ impl Stack {
     /// Create a 0-length stack which starts (and ends) at 0.
     pub unsafe fn dummy_stack() -> Stack {
         Stack {
-            buf: MemoryMap { data: 0 as *mut u8, len: 0, kind: MapVirtual },
+            buf: None,
             min_size: 0,
             valgrind_id: 0
         }
     }
 
     /// Point to the low end of the allocated stack
     pub fn start(&self) -> *const uint {
-        self.buf.data as *const uint
+        self.buf.as_ref().map(|m| m.data() as *const uint)
+            .unwrap_or(ptr::null())
     }
 
     /// Point one uint beyond the high end of the allocated stack
     pub fn end(&self) -> *const uint {
-        unsafe {
-            self.buf.data.offset(self.buf.len as int) as *const uint
-        }
+        self.buf.as_ref().map(|buf| unsafe {
+            buf.data().offset(buf.len() as int) as *const uint
+        }).unwrap_or(ptr::null())
     }
 }
 
@@ -96,7 +98,7 @@ fn protect_last_page(stack: &MemoryMap) -> bool {
         // This may seem backwards: the start of the segment is the last page?
         // Yes! The stack grows from higher addresses (the end of the allocated
         // block) to lower addresses (the start of the allocated block).
-        let last_page = stack.data as *mut libc::c_void;
+        let last_page = stack.data() as *mut libc::c_void;
         libc::mprotect(last_page, page_size() as libc::size_t,
                        libc::PROT_NONE) != -1
     }
@@ -106,7 +108,7 @@ fn protect_last_page(stack: &MemoryMap) -> bool {
 fn protect_last_page(stack: &MemoryMap) -> bool {
     unsafe {
         // see above
-        let last_page = stack.data as *mut libc::c_void;
+        let last_page = stack.data() as *mut libc::c_void;
         let mut old_prot: libc::DWORD = 0;
         libc::VirtualProtect(last_page, page_size() as libc::SIZE_T,
                              libc::PAGE_NOACCESS,

trunk/src/librustc/diagnostics.rs

@@ -0,0 +1,18 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+register_diagnostic!(E0001, r##"
+    This error suggests that the expression arm corresponding to the noted pattern
+    will never be reached as for all possible values of the expression being matched,
+    one of the preceeding patterns will match.
+
+    This means that perhaps some of the preceeding patterns are too general, this
+    one is too specific or the ordering is incorrect.
+"##)

trunk/src/librustc/driver/config.rs

@@ -532,6 +532,7 @@ pub fn optgroups() -> Vec<getopts::OptGroup> {
         optopt("", "opt-level", "Optimize with possible levels 0-3", "LEVEL"),
         optopt( "",  "out-dir", "Write output to compiler-chosen filename in <dir>", "DIR"),
         optflag("", "parse-only", "Parse only; do not compile, assemble, or link"),
+        optopt("", "explain", "Provide a detailed explanation of an error message", "OPT"),
         optflagopt("", "pretty",
                    "Pretty-print the input instead of compiling;
                    valid types are: `normal` (un-annotated source),
@@ -807,6 +808,7 @@ mod test {
     use getopts::getopts;
     use syntax::attr;
     use syntax::attr::AttrMetaMethods;
+    use syntax::diagnostics;
 
     // When the user supplies --test we should implicitly supply --cfg test
     #[test]
@@ -816,8 +818,9 @@ mod test {
               Ok(m) => m,
               Err(f) => fail!("test_switch_implies_cfg_test: {}", f)
             };
+        let registry = diagnostics::registry::Registry::new([]);
         let sessopts = build_session_options(matches);
-        let sess = build_session(sessopts, None);
+        let sess = build_session(sessopts, None, registry);
         let cfg = build_configuration(&sess);
         assert!((attr::contains_name(cfg.as_slice(), "test")));
     }
@@ -834,8 +837,9 @@ mod test {
                 fail!("test_switch_implies_cfg_test_unless_cfg_test: {}", f)
               }
             };
+        let registry = diagnostics::registry::Registry::new([]);
         let sessopts = build_session_options(matches);
-        let sess = build_session(sessopts, None);
+        let sess = build_session(sessopts, None, registry);
         let cfg = build_configuration(&sess);
         let mut test_items = cfg.iter().filter(|m| m.name().equiv(&("test")));
         assert!(test_items.next().is_some());

trunk/src/librustc/driver/driver.rs

@@ -16,6 +16,7 @@ use driver::{PpmFlowGraph, PpmExpanded, PpmExpandedIdentified, PpmTyped};
 use driver::{PpmIdentified};
 use front;
 use lib::llvm::{ContextRef, ModuleRef};
+use lint;
 use metadata::common::LinkMeta;
 use metadata::creader;
 use middle::cfg;
@@ -26,7 +27,7 @@ use middle;
 use plugin::load::Plugins;
 use plugin::registry::Registry;
 use plugin;
-use lint;
+
 use util::common::time;
 use util::ppaux;
 use util::nodemap::{NodeSet};
@@ -41,6 +42,7 @@ use std::io::MemReader;
 use syntax::ast;
 use syntax::attr;
 use syntax::attr::{AttrMetaMethods};
+use syntax::diagnostics;
 use syntax::parse;
 use syntax::parse::token;
 use syntax::print::{pp, pprust};
@@ -213,6 +215,15 @@ pub fn phase_2_configure_and_expand(sess: &Session,
     let mut registry = Registry::new(&krate);
 
     time(time_passes, "plugin registration", (), |_| {
+        if sess.features.rustc_diagnostic_macros.get() {
+            registry.register_macro("__diagnostic_used",
+                diagnostics::plugin::expand_diagnostic_used);
+            registry.register_macro("__register_diagnostic",
+                diagnostics::plugin::expand_register_diagnostic);
+            registry.register_macro("__build_diagnostic_array",
+                diagnostics::plugin::expand_build_diagnostic_array);
+        }
+
         for &registrar in registrars.iter() {
             registrar(&mut registry);
         }
@@ -259,6 +270,8 @@ pub fn phase_2_configure_and_expand(sess: &Session,
         }
     );
 
+    // JBC: make CFG processing part of expansion to avoid this problem:
+
     // strip again, in case expansion added anything with a #[cfg].
     krate = time(time_passes, "configuration 2", krate, |krate|
                  front::config::strip_unconfigured_items(krate));
@@ -279,6 +292,9 @@ pub fn phase_2_configure_and_expand(sess: &Session,
         krate.encode(&mut json).unwrap();
     }
 
+    time(time_passes, "checking that all macro invocations are gone", &krate, |krate|
+         syntax::ext::expand::check_for_macros(&sess.parse_sess, krate));
+
     Some((krate, map))
 }
 
@@ -291,14 +307,14 @@ pub struct CrateAnalysis {
     pub name: String,
 }
 
+
 /// Run the resolution, typechecking, region checking and other
 /// miscellaneous analysis passes on the crate. Return various
 /// structures carrying the results of the analysis.
 pub fn phase_3_run_analysis_passes(sess: Session,
                                    krate: &ast::Crate,
                                    ast_map: syntax::ast_map::Map,
                                    name: String) -> CrateAnalysis {
-
     let time_passes = sess.time_passes();
 
     time(time_passes, "external crate/lib resolution", (), |_|