---

yaml
---
r: 210872
b: refs/heads/try
c: 63b000b
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 3e561f05c00cd180ec02db4ccab2840a4aba93d2
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
-refs/heads/try: 7a5d74828bf6350c72f0330d7799e0cccd2e968f
+refs/heads/try: 63b000b1b81ecc197112a60d9b79901cffa4e0bb
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/README.md

@@ -1,9 +1,11 @@
 # The Rust Programming Language
 
-This is a compiler for Rust, including standard libraries, tools and
-documentation. Rust is a systems programming language that is fast,
-memory safe and multithreaded, but does not employ a garbage collector
-or otherwise impose significant runtime overhead.
+Rust is a systems programming language that is fast, memory safe and
+multithreaded, but does not employ a garbage collector or otherwise
+impose significant runtime overhead.
+
+This repo contains the code for `rustc`, the Rust compiler, as well
+as standard libraries, tools and documentation for Rust.
 
 ## Quick Start
 

branches/try/mk/main.mk

@@ -13,7 +13,7 @@
 ######################################################################
 
 # The version number
-CFG_RELEASE_NUM=1.1.0
+CFG_RELEASE_NUM=1.2.0
 
 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
 # NB Make sure it starts with a dot to conform to semver pre-release

branches/try/src/doc/complement-design-faq.md

@@ -79,7 +79,7 @@ feature.
 A nice replacement is the [lazy constructor macro][lcm] by [Marvin
 Löbel][kim].
 
-[fqa]: https://mail.mozilla.org/pipermail/rust-dev/2013-April/003815.html
+[fqa]: http://yosefk.com/c++fqa/ctors.html#fqa-10.12
 [elp]: http://ericlippert.com/2013/02/06/static-constructors-part-one/
 [lcm]: https://gist.github.com/Kimundi/8782487
 [kim]: https://github.com/Kimundi

branches/try/src/doc/trpl/const-and-static.md

@@ -31,10 +31,8 @@ static N: i32 = 5;
 
 Unlike [`let`][let] bindings, you must annotate the type of a `static`.
 
-[let]: variable-bindings.html
-
 Statics live for the entire lifetime of a program, and therefore any
-reference stored in a constant has a [`’static` lifetime][lifetimes]:
+reference stored in a constant has a [`'static` lifetime][lifetimes]:
 
 ```rust
 static NAME: &'static str = "Steve";

branches/try/src/doc/trpl/dining-philosophers.md

@@ -396,7 +396,7 @@ let handles: Vec<_> = philosophers.into_iter().map(|p| {
 }).collect();
 ```
 
-While this is only five lines, they’re a dense four. Let’s break it down.
+While this is only five lines, they’re a dense five. Let’s break it down.
 
 ```rust,ignore
 let handles: Vec<_> = 

branches/try/src/doc/trpl/guessing-game.md

@@ -27,7 +27,7 @@ Check out the generated `Cargo.toml`:
 [package]
 
 name = "guessing_game"
-version = "0.0.1"
+version = "0.1.0"
 authors = ["Your Name <[email protected]>"]
 ```
 
@@ -46,7 +46,7 @@ Let’s try compiling what Cargo gave us:
 
 ```{bash}
 $ cargo build
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
 ```
 
 Excellent! Open up your `src/main.rs` again. We’ll be writing all of
@@ -58,7 +58,7 @@ Try it out:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/debug/guessing_game`
 Hello, world!
 ```
@@ -727,7 +727,7 @@ Let’s try our program out!
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 58
@@ -792,7 +792,7 @@ and quit. Observe:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 59
@@ -929,7 +929,7 @@ Now we should be good! Let’s try:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 61

branches/try/src/doc/trpl/method-syntax.md

@@ -156,7 +156,7 @@ fn main() {
 
 This ‘associated function’ builds a new `Circle` for us. Note that associated
 functions are called with the `Struct::function()` syntax, rather than the
-`ref.method()` syntax. Some other langauges call associated functions ‘static
+`ref.method()` syntax. Some other languages call associated functions ‘static
 methods’.
 
 # Builder Pattern

branches/try/src/doc/trpl/nightly-rust.md

@@ -26,8 +26,8 @@ $ sh rustup.sh --channel=nightly
 If you're on Windows, please download either the [32-bit installer][win32] or
 the [64-bit installer][win64] and run it.
 
-[win32]: https://static.rust-lang.org/dist/rust-1.0.0-beta-i686-pc-windows-gnu.msi
-[win64]: https://static.rust-lang.org/dist/rust-1.0.0-beta-x86_64-pc-windows-gnu.msi
+[win32]: https://static.rust-lang.org/dist/rust-nightly-i686-pc-windows-gnu.msi
+[win64]: https://static.rust-lang.org/dist/rust-nightly-x86_64-pc-windows-gnu.msi
 
 ## Uninstalling
 

branches/try/src/doc/trpl/traits.md

@@ -208,7 +208,7 @@ let result = f.write("whatever".as_bytes());
 
 This will compile without error.
 
-This means that even if someone does something bad like add methods to `int`,
+This means that even if someone does something bad like add methods to `i32`,
 it won’t affect you, unless you `use` that trait.
 
 There’s one more restriction on implementing traits. Either the trait or the

branches/try/src/libstd/lib.rs

@@ -60,7 +60,7 @@
 //! [`FromStr`](str/trait.FromStr.html) trait.
 //!
 //! Data may be shared by placing it in a reference-counted box or the
-//! [`Rc`][rc/index.html] type, and if further contained in a [`Cell`
+//! [`Rc`](rc/index.html) type, and if further contained in a [`Cell`
 //! or `RefCell`](cell/index.html), may be mutated as well as shared.
 //! Likewise, in a concurrent setting it is common to pair an
 //! atomically-reference-counted box, [`Arc`](sync/struct.Arc.html),

branches/try/src/libsyntax/ext/quote.rs

@@ -28,8 +28,7 @@ pub mod rt {
     use ast;
     use codemap::Spanned;
     use ext::base::ExtCtxt;
-    use parse::token;
-    use parse;
+    use parse::{self, token, classify};
     use ptr::P;
     use std::rc::Rc;
 
@@ -94,6 +93,18 @@ pub mod rt {
         }
     }
 
+    impl ToTokens for ast::Generics {
+        fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
+            vec![ast::TtToken(DUMMY_SP, token::Interpolated(token::NtGenerics(self.clone())))]
+        }
+    }
+
+    impl ToTokens for ast::WhereClause {
+        fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
+            vec![ast::TtToken(DUMMY_SP, token::Interpolated(token::NtWhereClause(self.clone())))]
+        }
+    }
+
     impl ToTokens for P<ast::Item> {
         fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
             vec![ast::TtToken(self.span, token::Interpolated(token::NtItem(self.clone())))]
@@ -114,7 +125,16 @@ pub mod rt {
 
     impl ToTokens for P<ast::Stmt> {
         fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
-            vec![ast::TtToken(self.span, token::Interpolated(token::NtStmt(self.clone())))]
+            let mut tts = vec![
+                ast::TtToken(self.span, token::Interpolated(token::NtStmt(self.clone())))
+            ];
+
+            // Some statements require a trailing semicolon.
+            if classify::stmt_ends_with_semi(&self.node) {
+                tts.push(ast::TtToken(self.span, token::Semi));
+            }
+
+            tts
         }
     }
 

branches/try/src/libsyntax/fold.rs

@@ -689,6 +689,9 @@ pub fn noop_fold_interpolated<T: Folder>(nt: token::Nonterminal, fld: &mut T)
         token::NtTraitItem(arm) =>
             token::NtTraitItem(fld.fold_trait_item(arm)
                                .expect_one("expected fold to produce exactly one item")),
+        token::NtGenerics(generics) => token::NtGenerics(fld.fold_generics(generics)),
+        token::NtWhereClause(where_clause) =>
+            token::NtWhereClause(fld.fold_where_clause(where_clause)),
     }
 }
 

branches/try/src/libsyntax/parse/lexer/mod.rs

@@ -403,45 +403,51 @@ impl<'a> StringReader<'a> {
                 Some('/') => {
                     self.bump();
                     self.bump();
+
                     // line comments starting with "///" or "//!" are doc-comments
-                    if self.curr_is('/') || self.curr_is('!') {
-                        let start_bpos = self.pos - BytePos(3);
-                        while !self.is_eof() {
-                            match self.curr.unwrap() {
-                                '\n' => break,
-                                '\r' => {
-                                    if self.nextch_is('\n') {
-                                        // CRLF
-                                        break
-                                    } else {
-                                        self.err_span_(self.last_pos, self.pos,
-                                                       "bare CR not allowed in doc-comment");
-                                    }
+                    let doc_comment = self.curr_is('/') || self.curr_is('!');
+                    let start_bpos = if doc_comment {
+                        self.pos - BytePos(3)
+                    } else {
+                        self.last_pos - BytePos(2)
+                    };
+
+                    while !self.is_eof() {
+                        match self.curr.unwrap() {
+                            '\n' => break,
+                            '\r' => {
+                                if self.nextch_is('\n') {
+                                    // CRLF
+                                    break
+                                } else if doc_comment {
+                                    self.err_span_(self.last_pos, self.pos,
+                                                   "bare CR not allowed in doc-comment");
                                 }
-                                _ => ()
                             }
-                            self.bump();
+                            _ => ()
                         }
-                        return self.with_str_from(start_bpos, |string| {
-                            // but comments with only more "/"s are not
+                        self.bump();
+                    }
+
+                    return if doc_comment {
+                        self.with_str_from(start_bpos, |string| {
+                            // comments with only more "/"s are not doc comments
                             let tok = if is_doc_comment(string) {
                                 token::DocComment(token::intern(string))
                             } else {
                                 token::Comment
                             };
 
-                            return Some(TokenAndSpan{
+                            Some(TokenAndSpan {
                                 tok: tok,
                                 sp: codemap::mk_sp(start_bpos, self.last_pos)
-                            });
-                        });
+                            })
+                        })
                     } else {
-                        let start_bpos = self.last_pos - BytePos(2);
-                        while !self.curr_is('\n') && !self.is_eof() { self.bump(); }
-                        return Some(TokenAndSpan {
+                        Some(TokenAndSpan {
                             tok: token::Comment,
                             sp: codemap::mk_sp(start_bpos, self.last_pos)
-                        });
+                        })
                     }
                 }
                 Some('*') => {
@@ -1563,4 +1569,13 @@ mod tests {
         assert_eq!(lexer.next_token().tok, token::Literal(token::Char(token::intern("a")), None));
     }
 
+    #[test] fn crlf_comments() {
+        let sh = mk_sh();
+        let mut lexer = setup(&sh, "// test\r\n/// test\r\n".to_string());
+        let comment = lexer.next_token();
+        assert_eq!(comment.tok, token::Comment);
+        assert_eq!(comment.sp, ::codemap::mk_sp(BytePos(0), BytePos(7)));
+        assert_eq!(lexer.next_token().tok, token::Whitespace);
+        assert_eq!(lexer.next_token().tok, token::DocComment(token::intern("/// test")));
+    }
 }

branches/try/src/libsyntax/parse/parser.rs

@@ -2026,7 +2026,8 @@ impl<'a> Parser<'a> {
                 return self.parse_block_expr(lo, DefaultBlock);
             },
             token::BinOp(token::Or) |  token::OrOr => {
-                return self.parse_lambda_expr(CaptureByRef);
+                let lo = self.span.lo;
+                return self.parse_lambda_expr(lo, CaptureByRef);
             },
             token::Ident(id @ ast::Ident {
                             name: token::SELF_KEYWORD_NAME,
@@ -2081,7 +2082,8 @@ impl<'a> Parser<'a> {
                     return Ok(self.mk_expr(lo, hi, ExprPath(Some(qself), path)));
                 }
                 if try!(self.eat_keyword(keywords::Move) ){
-                    return self.parse_lambda_expr(CaptureByValue);
+                    let lo = self.last_span.lo;
+                    return self.parse_lambda_expr(lo, CaptureByValue);
                 }
                 if try!(self.eat_keyword(keywords::If)) {
                     return self.parse_if_expr();
@@ -2840,10 +2842,9 @@ impl<'a> Parser<'a> {
     }
 
     // `|args| expr`
-    pub fn parse_lambda_expr(&mut self, capture_clause: CaptureClause)
+    pub fn parse_lambda_expr(&mut self, lo: BytePos, capture_clause: CaptureClause)
                              -> PResult<P<Expr>>
     {
-        let lo = self.span.lo;
         let decl = try!(self.parse_fn_block_decl());
         let body = match decl.output {
             DefaultReturn(_) => {
@@ -3808,6 +3809,8 @@ impl<'a> Parser<'a> {
     ///                  | ( < lifetimes , typaramseq ( , )? > )
     /// where   typaramseq = ( typaram ) | ( typaram , typaramseq )
     pub fn parse_generics(&mut self) -> PResult<ast::Generics> {
+        maybe_whole!(self, NtGenerics);
+
         if try!(self.eat(&token::Lt) ){
             let lifetime_defs = try!(self.parse_lifetime_defs());
             let mut seen_default = false;
@@ -3928,6 +3931,8 @@ impl<'a> Parser<'a> {
     /// where T : Trait<U, V> + 'b, 'a : 'b
     /// ```
     pub fn parse_where_clause(&mut self) -> PResult<ast::WhereClause> {
+        maybe_whole!(self, NtWhereClause);
+
         let mut where_clause = WhereClause {
             id: ast::DUMMY_NODE_ID,
             predicates: Vec::new(),
@@ -5262,11 +5267,7 @@ impl<'a> Parser<'a> {
                 return Ok(Some(try!(self.parse_item_foreign_mod(lo, opt_abi, visibility, attrs))));
             }
 
-            let span = self.span;
-            let token_str = self.this_token_to_string();
-            return Err(self.span_fatal(span,
-                            &format!("expected `{}` or `fn`, found `{}`", "{",
-                                    token_str)))
+            try!(self.expect_one_of(&[], &[]));
         }
 
         if try!(self.eat_keyword_noexpect(keywords::Virtual) ){

branches/try/src/libsyntax/parse/token.rs

@@ -385,6 +385,8 @@ pub enum Nonterminal {
     NtArm(ast::Arm),
     NtImplItem(P<ast::ImplItem>),
     NtTraitItem(P<ast::TraitItem>),
+    NtGenerics(ast::Generics),
+    NtWhereClause(ast::WhereClause),
 }
 
 impl fmt::Debug for Nonterminal {
@@ -403,6 +405,8 @@ impl fmt::Debug for Nonterminal {
             NtArm(..) => f.pad("NtArm(..)"),
             NtImplItem(..) => f.pad("NtImplItem(..)"),
             NtTraitItem(..) => f.pad("NtTraitItem(..)"),
+            NtGenerics(..) => f.pad("NtGenerics(..)"),
+            NtWhereClause(..) => f.pad("NtWhereClause(..)"),
         }
     }
 }