---

yaml
---
r: 161567
b: refs/heads/snap-stage3
c: 010cbd0
h: refs/heads/master
i:
  161565: e6b3d9c
  161563: b514ba2
  161559: e8a7e03
  161551: 3ba6a38
  161535: c3614a5
v: v3

Author: steveklabnik

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 4eb72d268f337a8f117c86a2ac1b98336cab9e9d
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 0fb040f4bd1a3bd7ee9d60dfb8445a587ef7f28e
+refs/heads/snap-stage3: 010cbd011a644512afdca2378c5788181703cac3
 refs/heads/try: 0f0d21c1eb5c7be04d323e0b06faf252ad790af6
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d

branches/snap-stage3/mk/crates.mk

@@ -53,8 +53,8 @@ TARGET_CRATES := libc std flate arena term \
                  serialize getopts collections test time rand \
                  log regex graphviz core rbml alloc rustrt \
                  unicode
-RUSTC_CRATES := rustc rustc_typeck rustc_driver rustc_trans rustc_back rustc_llvm 
-HOST_CRATES := syntax $(RUSTC_CRATES) rustdoc regex_macros fmt_macros
+HOST_CRATES := syntax rustc rustc_trans rustdoc regex_macros fmt_macros \
+	       rustc_llvm rustc_back
 CRATES := $(TARGET_CRATES) $(HOST_CRATES)
 TOOLS := compiletest rustdoc rustc
 
@@ -67,16 +67,12 @@ DEPS_std := core libc rand alloc collections rustrt unicode \
 	native:rust_builtin native:backtrace
 DEPS_graphviz := std
 DEPS_syntax := std term serialize log fmt_macros arena libc
-DEPS_rustc_driver := arena flate getopts graphviz libc rustc rustc_back \
-                     rustc_typeck log syntax serialize rustc_llvm rustc_trans
-DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back \
-	                log syntax serialize rustc_llvm
-DEPS_rustc_typeck := rustc syntax
+DEPS_rustc_trans := rustc rustc_back rustc_llvm libc
 DEPS_rustc := syntax flate arena serialize getopts rbml \
               time log graphviz rustc_llvm rustc_back
 DEPS_rustc_llvm := native:rustllvm libc std
 DEPS_rustc_back := std syntax rustc_llvm flate log libc
-DEPS_rustdoc := rustc rustc_driver native:hoedown serialize getopts \
+DEPS_rustdoc := rustc rustc_trans native:hoedown serialize getopts \
                 test time
 DEPS_flate := std native:miniz
 DEPS_arena := std
@@ -98,7 +94,7 @@ DEPS_fmt_macros = std
 
 TOOL_DEPS_compiletest := test getopts
 TOOL_DEPS_rustdoc := rustdoc
-TOOL_DEPS_rustc := rustc_driver
+TOOL_DEPS_rustc := rustc_trans
 TOOL_SOURCE_compiletest := $(S)src/compiletest/compiletest.rs
 TOOL_SOURCE_rustdoc := $(S)src/driver/driver.rs
 TOOL_SOURCE_rustc := $(S)src/driver/driver.rs
@@ -114,12 +110,8 @@ ONLY_RLIB_unicode := 1
 # You should not need to edit below this line
 ################################################################################
 
-DOC_CRATES := $(filter-out rustc, \
-              $(filter-out rustc_trans, \
-              $(filter-out rustc_typeck, \
-              $(filter-out rustc_driver, \
-              $(filter-out syntax, $(CRATES))))))
-COMPILER_DOC_CRATES := rustc rustc_trans rustc_typeck rustc_driver syntax
+DOC_CRATES := $(filter-out rustc, $(filter-out rustc_trans, $(filter-out syntax, $(CRATES))))
+COMPILER_DOC_CRATES := rustc rustc_trans syntax
 
 # This macro creates some simple definitions for each crate being built, just
 # some munging of all of the parameters above.

branches/snap-stage3/mk/tests.mk

@@ -21,7 +21,7 @@ $(eval $(call RUST_CRATE,coretest))
 
 TEST_TARGET_CRATES = $(filter-out core unicode,$(TARGET_CRATES)) coretest
 TEST_DOC_CRATES = $(DOC_CRATES)
-TEST_HOST_CRATES = $(filter-out rustc_typeck rustc_trans,$(HOST_CRATES))
+TEST_HOST_CRATES = $(HOST_CRATES)
 TEST_CRATES = $(TEST_TARGET_CRATES) $(TEST_HOST_CRATES)
 
 ######################################################################

branches/snap-stage3/src/doc/guide.md

@@ -140,7 +140,7 @@ $ editor main.rs
 ```
 
 Rust files always end in a `.rs` extension. If you're using more than one word
-in your filename, use an underscore. `hello_world.rs` rather than
+in your file name, use an underscore. `hello_world.rs` rather than
 `helloworld.rs`.
 
 Now that you've got your file open, type this in:
@@ -200,7 +200,7 @@ about this difference. Just know that sometimes, you'll see a `!`, and that
 means that you're calling a macro instead of a normal function. Rust implements
 `println!` as a macro rather than a function for good reasons, but that's a
 very advanced topic. You'll learn more when we talk about macros later. One
-last thing to mention: Rust's macros are significantly different from C macros,
+last thing to mention: Rust's macros are significantly different than C macros,
 if you've used those. Don't be scared of using macros. We'll get to the details
 eventually, you'll just have to trust us for now.
 
@@ -595,8 +595,8 @@ let y = if x == 5i { 10i } else { 15i };
 ```
 
 This reveals two interesting things about Rust: it is an expression-based
-language, and semicolons are different from semicolons in other 'curly brace
-and semicolon'-based languages. These two things are related.
+language, and semicolons are different than in other 'curly brace and
+semicolon'-based languages. These two things are related.
 
 ## Expressions vs. Statements
 
@@ -1454,7 +1454,7 @@ Both `continue` and `break` are valid in both kinds of loops.
 # Strings
 
 Strings are an important concept for any programmer to master. Rust's string
-handling system is a bit different from other languages, due to its systems
+handling system is a bit different than in other languages, due to its systems
 focus. Any time you have a data structure of variable size, things can get
 tricky, and strings are a re-sizable data structure. That said, Rust's strings
 also work differently than in some other systems languages, such as C.
@@ -2064,8 +2064,8 @@ Great! Next up: let's compare our guess to the secret guess.
 ## Comparing guesses
 
 If you remember, earlier in the guide, we made a `cmp` function that compared
-two numbers. Let's add that in, along with a `match` statement to compare our
-guess to the secret number:
+two numbers. Let's add that in, along with a `match` statement to compare the
+guess to the secret guess:
 
 ```{rust,ignore}
 use std::io;
@@ -2861,7 +2861,7 @@ parts of your library. The six levels are:
 * experimental: This item was only recently introduced or is otherwise in a
   state of flux. It may change significantly, or even be removed. No guarantee
   of backwards-compatibility.
-* unstable: This item is still under development and requires more testing to
+* unstable: This item is still under development, but requires more testing to
   be considered stable. No guarantee of backwards-compatibility.
 * stable: This item is considered stable, and will not change significantly.
   Guarantee of backwards-compatibility.
@@ -5174,12 +5174,12 @@ processor. Rust's semantics lend themselves very nicely to solving a number of
 issues that programmers have with concurrency. Many concurrency errors that are
 runtime errors in other languages are compile-time errors in Rust.
 
-Rust's concurrency primitive is called a **task**. Tasks are lightweight, and
-do not share memory in an unsafe manner, preferring message passing to
-communicate.  It's worth noting that tasks are implemented as a library, and
-not part of the language.  This means that in the future, other concurrency
-libraries can be written for Rust to help in specific scenarios.  Here's an
-example of creating a task:
+Rust's concurrency primitive is called a **task**. Tasks are similar to
+threads, and do not share memory in an unsafe manner, preferring message
+passing to communicate. It's worth noting that tasks are implemented as a
+library, and not part of the language. This means that in the future, other
+concurrency libraries can be written for Rust to help in specific scenarios.
+Here's an example of creating a task:
 
 ```{rust}
 spawn(proc() {

branches/snap-stage3/src/doc/reference.md

@@ -522,7 +522,7 @@ The two values of the boolean type are written `true` and `false`.
 ### Symbols
 
 ```{.ebnf .gram}
-symbol : "::" | "->"
+symbol : "::" "->"
        | '#' | '[' | ']' | '(' | ')' | '{' | '}'
        | ',' | ';' ;
 ```

branches/snap-stage3/src/driver/driver.rs

@@ -12,6 +12,6 @@
 extern crate "rustdoc" as this;
 
 #[cfg(rustc)]
-extern crate "rustc_driver" as this;
+extern crate "rustc_trans" as this;
 
 fn main() { this::main() }

branches/snap-stage3/src/etc/gdb_rust_pretty_printing.py

@@ -54,27 +54,21 @@ def rust_pretty_printer_lookup_function(val):
       return RustStructPrinter(val, false)
 
     if enum_member_count == 1:
-      first_variant_name = enum_members[0].name
-      if first_variant_name == None:
+      if enum_members[0].name == None:
         # This is a singleton enum
         return rust_pretty_printer_lookup_function(val[enum_members[0]])
       else:
-        assert first_variant_name.startswith("RUST$ENCODED$ENUM$")
+        assert enum_members[0].name.startswith("RUST$ENCODED$ENUM$")
         # This is a space-optimized enum
-        last_separator_index = first_variant_name.rfind("$")
+        last_separator_index = enum_members[0].name.rfind("$")
         second_last_separator_index = first_variant_name.rfind("$", 0, last_separator_index)
         disr_field_index = first_variant_name[second_last_separator_index + 1 :
                                               last_separator_index]
         disr_field_index = int(disr_field_index)
 
         sole_variant_val = val[enum_members[0]]
         disr_field = get_field_at_index(sole_variant_val, disr_field_index)
-        discriminant = sole_variant_val[disr_field]
-
-        # If the discriminant field is a fat pointer we have to consider the
-        # first word as the true discriminant
-        if discriminant.type.code == gdb.TYPE_CODE_STRUCT:
-            discriminant = discriminant[get_field_at_index(discriminant, 0)]
+        discriminant = int(sole_variant_val[disr_field])
 
         if discriminant == 0:
           null_variant_name = first_variant_name[last_separator_index + 1:]
@@ -179,7 +173,7 @@ def to_string(self):
 
 class IdentityPrinter:
   def __init__(self, string):
-    self.string = string
+    self.string
 
   def to_string(self):
     return self.string

branches/snap-stage3/src/etc/licenseck.py

@@ -38,8 +38,9 @@
     "rt/isaac/randport.cpp", # public domain
     "rt/isaac/rand.h", # public domain
     "rt/isaac/standard.h", # public domain
-    "libstd/comm/mpsc_queue.rs", # BSD
-    "libstd/comm/spsc_queue.rs", # BSD
+    "libstd/sync/mpsc_queue.rs", # BSD
+    "libstd/sync/spsc_queue.rs", # BSD
+    "libstd/sync/mpmc_bounded_queue.rs", # BSD
     "test/bench/shootout-binarytrees.rs", # BSD
     "test/bench/shootout-chameneos-redux.rs", # BSD
     "test/bench/shootout-fannkuch-redux.rs", # BSD

branches/snap-stage3/src/etc/lldb_rust_formatters.py

@@ -138,14 +138,9 @@ def print_enum_val(val, internal_dict):
         return "<invalid enum encoding: %s>" % first_variant_name
 
       # Read the discriminant
-      disr_val = val.GetChildAtIndex(0).GetChildAtIndex(disr_field_index)
+      disr_val = val.GetChildAtIndex(0).GetChildAtIndex(disr_field_index).GetValueAsUnsigned()
 
-      # If the discriminant field is a fat pointer we have to consider the
-      # first word as the true discriminant
-      if disr_val.GetType().GetTypeClass() == lldb.eTypeClassStruct:
-          disr_val = disr_val.GetChildAtIndex(0)
-
-      if disr_val.GetValueAsUnsigned() == 0:
+      if disr_val == 0:
         # Null case: Print the name of the null-variant
         null_variant_name = first_variant_name[last_separator_index + 1:]
         return null_variant_name