auto merge of #5456 : graydon/rust/fixups, r=pcwalton

Stage markers for stage3 and a trivial prelude fix.

Author: bors

src/libcore/comm.rs

@@ -110,6 +110,7 @@ pub fn stream<T:Owned>() -> (Port<T>, Chan<T>) {
 // required.
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 pub impl<T: Owned> Chan<T> {
     fn send(&self, x: T) { chan_send(self, x) }
     fn try_send(&self, x: T) -> bool { chan_try_send(self, x) }
@@ -149,6 +150,7 @@ fn chan_try_send<T:Owned>(self: &Chan<T>, x: T) -> bool {
 // Use an inherent impl so that imports are not required:
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 pub impl<T: Owned> Port<T> {
     fn recv(&self) -> T { port_recv(self) }
     fn try_recv(&self) -> Option<T> { port_try_recv(self) }
@@ -226,6 +228,7 @@ pub fn PortSet<T: Owned>() -> PortSet<T>{
 // Use an inherent impl so that imports are not required:
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 pub impl<T:Owned> PortSet<T> {
     fn recv(&self) -> T { port_set_recv(self) }
     fn try_recv(&self) -> Option<T> { port_set_try_recv(self) }
@@ -301,6 +304,7 @@ pub type SharedChan<T> = unstable::Exclusive<Chan<T>>;
 
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 pub impl<T: Owned> SharedChan<T> {
     fn send(&self, x: T) { shared_chan_send(self, x) }
     fn try_send(&self, x: T) -> bool { shared_chan_try_send(self, x) }

src/libcore/io.rs

@@ -21,7 +21,9 @@ use libc;
 use libc::{c_int, c_long, c_uint, c_void, size_t, ssize_t};
 use libc::consts::os::posix88::*;
 use os;
-use prelude::*;
+use cast;
+use path::Path;
+use ops::Drop;
 use ptr;
 use result;
 use str;
@@ -75,6 +77,7 @@ pub trait Reader {
 
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 impl Reader for @Reader {
     fn read(&self, bytes: &mut [u8], len: uint) -> uint {
         self.read(bytes, len)
@@ -657,6 +660,7 @@ pub trait Writer {
 
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 impl Writer for @Writer {
     fn write(&self, v: &[const u8]) { self.write(v) }
     fn seek(&self, a: int, b: SeekStyle) { self.seek(a, b) }

src/libcore/prelude.rs

@@ -43,6 +43,7 @@ pub use tuple::{CopyableTuple, ImmutableTuple, ExtendedTupleOps};
 pub use vec::{CopyableVector, ImmutableVector};
 pub use vec::{ImmutableEqVector, ImmutableCopyableVector};
 pub use vec::{OwnedVector, OwnedCopyableVector};
+pub use io::{Reader, ReaderUtil, Writer, WriterUtil};
 
 /* Reexported runtime types */
 pub use comm::{stream, Port, Chan, GenericChan, GenericSmartChan, GenericPort, Peekable};

src/librustc/front/test.rs

@@ -369,6 +369,7 @@ fn mk_tests(cx: &TestCtxt) -> @ast::item {
 
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 fn mk_tests(cx: &TestCtxt) -> @ast::item {
 
     let ext_cx = cx.ext_cx;

src/librustdoc/markdown_pass.rs

@@ -127,7 +127,7 @@ fn write_page(ctxt: &Ctxt, page: &doc::Page) {
         write_item_no_header(ctxt, doc);
       }
     }
-    ctxt.w.write_done();
+    ctxt.w.put_done();
 }
 
 #[test]
@@ -146,8 +146,8 @@ fn should_request_new_writer_for_each_page() {
 }
 
 fn write_title(ctxt: &Ctxt, page: doc::Page) {
-    ctxt.w.write_line(fmt!("%% %s", make_title(page)));
-    ctxt.w.write_line(~"");
+    ctxt.w.put_line(fmt!("%% %s", make_title(page)));
+    ctxt.w.put_line(~"");
 }
 
 fn make_title(page: doc::Page) -> ~str {
@@ -198,8 +198,8 @@ fn write_header(ctxt: &Ctxt, lvl: Hlvl, doc: doc::ItemTag) {
 
 fn write_header_(ctxt: &Ctxt, lvl: Hlvl, title: ~str) {
     let hashes = str::from_chars(vec::from_elem(lvl as uint, '#'));
-    ctxt.w.write_line(fmt!("%s %s", hashes, title));
-    ctxt.w.write_line(~"");
+    ctxt.w.put_line(fmt!("%s %s", hashes, title));
+    ctxt.w.put_line(~"");
 }
 
 pub fn header_kind(doc: doc::ItemTag) -> ~str {
@@ -332,8 +332,8 @@ fn write_desc(
 ) {
     match desc {
         Some(desc) => {
-            ctxt.w.write_line(desc);
-            ctxt.w.write_line(~"");
+            ctxt.w.put_line(desc);
+            ctxt.w.put_line(~"");
         }
         None => ()
     }
@@ -347,8 +347,8 @@ fn write_sections(ctxt: &Ctxt, sections: &[doc::Section]) {
 
 fn write_section(ctxt: &Ctxt, section: doc::Section) {
     write_header_(ctxt, H4, copy section.header);
-    ctxt.w.write_line(copy section.body);
-    ctxt.w.write_line(~"");
+    ctxt.w.put_line(copy section.body);
+    ctxt.w.put_line(~"");
 }
 
 #[test]
@@ -398,7 +398,7 @@ fn write_item_(ctxt: &Ctxt, doc: doc::ItemTag, write_header: bool) {
       doc::TraitTag(TraitDoc) => write_trait(ctxt, TraitDoc),
       doc::ImplTag(ImplDoc) => write_impl(ctxt, ImplDoc),
       doc::TyTag(TyDoc) => write_type(ctxt, TyDoc),
-      doc::StructTag(StructDoc) => write_struct(ctxt, StructDoc),
+      doc::StructTag(StructDoc) => put_struct(ctxt, StructDoc),
     }
 }
 
@@ -428,13 +428,13 @@ fn write_index(ctxt: &Ctxt, index: doc::Index) {
         let header = header_text_(entry.kind, entry.name);
         let id = copy entry.link;
         if entry.brief.is_some() {
-            ctxt.w.write_line(fmt!("* [%s](%s) - %s",
+            ctxt.w.put_line(fmt!("* [%s](%s) - %s",
                                    header, id, (&entry.brief).get()));
         } else {
-            ctxt.w.write_line(fmt!("* [%s](%s)", header, id));
+            ctxt.w.put_line(fmt!("* [%s](%s)", header, id));
         }
     }
-    ctxt.w.write_line(~"");
+    ctxt.w.put_line(~"");
 }
 
 #[test]
@@ -526,8 +526,8 @@ fn write_fnlike(
 fn write_sig(ctxt: &Ctxt, sig: Option<~str>) {
     match sig {
       Some(sig) => {
-        ctxt.w.write_line(code_block_indent(sig));
-        ctxt.w.write_line(~"");
+        ctxt.w.put_line(code_block_indent(sig));
+        ctxt.w.put_line(~"");
       }
       None => fail!(~"unimplemented")
     }
@@ -641,18 +641,18 @@ fn write_variants(
         write_variant(ctxt, copy *variant);
     }
 
-    ctxt.w.write_line(~"");
+    ctxt.w.put_line(~"");
 }
 
 fn write_variant(ctxt: &Ctxt, doc: doc::VariantDoc) {
     fail_unless!(doc.sig.is_some());
     let sig = (&doc.sig).get();
     match copy doc.desc {
       Some(desc) => {
-        ctxt.w.write_line(fmt!("* `%s` - %s", sig, desc));
+        ctxt.w.put_line(fmt!("* `%s` - %s", sig, desc));
       }
       None => {
-        ctxt.w.write_line(fmt!("* `%s`", sig));
+        ctxt.w.put_line(fmt!("* `%s`", sig));
       }
     }
 }
@@ -804,7 +804,7 @@ fn should_write_type_signature() {
     fail_unless!(str::contains(markdown, ~"\n\n    type t = int\n\n"));
 }
 
-fn write_struct(
+fn put_struct(
     ctxt: &Ctxt,
     doc: doc::StructDoc
 ) {
@@ -813,7 +813,7 @@ fn write_struct(
 }
 
 #[test]
-fn should_write_struct_header() {
+fn should_put_struct_header() {
     let markdown = test::render(~"struct S { field: () }");
     fail_unless!(str::contains(markdown, ~"## Struct `S`\n\n"));
 }

src/librustdoc/markdown_writer.rs

@@ -34,21 +34,21 @@ pub type Writer = ~fn(v: WriteInstr);
 pub type WriterFactory = ~fn(page: doc::Page) -> Writer;
 
 pub trait WriterUtils {
-    fn write_str(&self, +str: ~str);
-    fn write_line(&self, +str: ~str);
-    fn write_done(&self);
+    fn put_str(&self, +str: ~str);
+    fn put_line(&self, +str: ~str);
+    fn put_done(&self);
 }
 
 impl WriterUtils for Writer {
-    fn write_str(&self, str: ~str) {
+    fn put_str(&self, str: ~str) {
         (*self)(Write(str));
     }
 
-    fn write_line(&self, str: ~str) {
-        self.write_str(str + ~"\n");
+    fn put_line(&self, str: ~str) {
+        self.put_str(str + ~"\n");
     }
 
-    fn write_done(&self) {
+    fn put_done(&self) {
         (*self)(Done)
     }
 }

src/libstd/comm.rs

@@ -28,6 +28,7 @@ pub struct DuplexStream<T, U> {
 // Allow these methods to be used without import:
 #[cfg(stage1)]
 #[cfg(stage2)]
+#[cfg(stage3)]
 pub impl<T:Owned,U:Owned> DuplexStream<T, U> {
     fn send(&self, x: T) {
         self.chan.send(x)