---

yaml
---
r: 98206
b: refs/heads/master
c: 2952685
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: f125b71c0081acebbfcdd60bfe517d7e4dd388d4
+refs/heads/master: 2952685917cb17a3d849cb02d17ce71ccecfb855
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: b6400f998497c3958f40997a71756ead344a776d
 refs/heads/try: c274a6888410ce3e357e014568b43310ed787d36

trunk/doc/complement-cheatsheet.md

@@ -62,8 +62,8 @@ let reader : File = File::open(&path).unwrap_or_else(on_error);
 Use the [`lines`](http://static.rust-lang.org/doc/master/std/io/trait.Buffer.html#method.lines) method on a [`BufferedReader`](http://static.rust-lang.org/doc/master/std/io/buffered/struct.BufferedReader.html).
 
 ~~~
-use std::io::buffered::BufferedReader;
-# use std::io::mem::MemReader;
+use std::io::BufferedReader;
+# use std::io::MemReader;
 
 # let reader = MemReader::new(~[]);
 

trunk/doc/guide-conditions.md

@@ -46,12 +46,11 @@ An example program that does this task reads like this:
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -245,13 +244,12 @@ and trapping its exit status using `task::try`:
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 use std::task;
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -350,12 +348,11 @@ but similarly clear as the version that used `fail!` in the logic where the erro
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -420,12 +417,11 @@ and replaces bad input lines with the pair `(-1,-1)`:
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -496,12 +492,11 @@ Changing the condition's return type from `(int,int)` to `Option<(int,int)>` wil
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -582,12 +577,11 @@ This can be encoded in the handler API by introducing a helper type: `enum Malfo
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
 use std::io::File;
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\
@@ -707,12 +701,11 @@ a second condition and a helper function will suffice:
 ~~~~
 # #[allow(unused_imports)];
 # extern mod extra;
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 # mod BufferedReader {
 #     use std::io::File;
-#     use std::io::mem::MemReader;
-#     use std::io::buffered::BufferedReader;
+#     use std::io::MemReader;
+#     use std::io::BufferedReader;
 #     static s : &'static [u8] = bytes!("1 2\n\
 #                                        34 56\n\
 #                                        789 123\n\

trunk/doc/guide-tasks.md

@@ -290,7 +290,7 @@ be distributed on the available cores.
 fn partial_sum(start: uint) -> f64 {
     let mut local_sum = 0f64;
     for num in range(start*100000, (start+1)*100000) {
-        local_sum += (num as f64 + 1.0).pow(&-2.0);
+        local_sum += (num as f64 + 1.0).powf(&-2.0);
     }
     local_sum
 }
@@ -326,7 +326,7 @@ a single large vector of floats. Each task needs the full vector to perform its
 use extra::arc::Arc;
 
 fn pnorm(nums: &~[f64], p: uint) -> f64 {
-    nums.iter().fold(0.0, |a,b| a+(*b).pow(&(p as f64)) ).pow(&(1.0 / (p as f64)))
+    nums.iter().fold(0.0, |a,b| a+(*b).powf(&(p as f64)) ).powf(&(1.0 / (p as f64)))
 }
 
 fn main() {

trunk/doc/guide-testing.md

@@ -63,8 +63,8 @@ mod tests {
 }
 ~~~
 
-Additionally #[test] items behave as if they also have the
-#[cfg(test)] attribute, and will not be compiled when the --test flag
+Additionally `#[test]` items behave as if they also have the
+`#[cfg(test)]` attribute, and will not be compiled when the --test flag
 is not used.
 
 Tests that should not be run can be annotated with the 'ignore'

trunk/doc/rust.md

@@ -806,7 +806,9 @@ path_glob : ident [ "::" path_glob ] ?
 
 A _use declaration_ creates one or more local name bindings synonymous
 with some other [path](#paths).
-Usually a `use` declaration is used to shorten the path required to refer to a module item.
+Usually a `use` declaration is used to shorten the path required to refer to a
+module item. These declarations may appear at the top of [modules](#modules) and
+[blocks](#blocks).
 
 *Note*: Unlike in many languages,
 `use` declarations in Rust do *not* declare linkage dependency with external crates.
@@ -2318,14 +2320,24 @@ let base = Point3d {x: 1, y: 2, z: 3};
 Point3d {y: 0, z: 10, .. base};
 ~~~~
 
-### Record expressions
+### Block expressions
 
 ~~~~ {.ebnf .gram}
-rec_expr : '{' ident ':' expr
-               [ ',' ident ':' expr ] *
-               [ ".." expr ] '}'
+block_expr : '{' [ view_item ] *
+                 [ stmt ';' | item ] *
+                 [ expr ] '}'
 ~~~~
 
+A _block expression_ is similar to a module in terms of the declarations that
+are possible. Each block conceptually introduces a new namespace scope. View
+items can bring new names into scopes and declared items are in scope for only
+the block itself.
+
+A block will execute each statement sequentially, and then execute the
+expression (if given). If the final expression is omitted, the type and return
+value of the block are `()`, but if it is provided, the type and return value
+of the block are that of the expression itself.
+
 ### Method-call expressions
 
 ~~~~ {.ebnf .gram}

trunk/mk/tests.mk

@@ -626,9 +626,10 @@ CTEST_COMMON_ARGS$(1)-T-$(2)-H-$(3) :=						\
         --aux-base $$(S)src/test/auxiliary/                 \
         --stage-id stage$(1)-$(2)							\
         --target $(2)                                       \
+        --host $(3)                                       \
         --adb-path=$(CFG_ADB)                          \
         --adb-test-dir=$(CFG_ADB_TEST_DIR)                  \
-        --rustcflags "$(RUSTC_FLAGS_$(2)) $$(CTEST_RUSTC_FLAGS) --target=$(2)" \
+        --rustcflags "$(RUSTC_FLAGS_$(2)) $$(CTEST_RUSTC_FLAGS)" \
         $$(CTEST_TESTARGS)
 
 CTEST_DEPS_rpass_$(1)-T-$(2)-H-$(3) = $$(RPASS_TESTS)

trunk/src/compiletest/common.rs

@@ -86,6 +86,9 @@ pub struct config {
     // Target system to be tested
     target: ~str,
 
+    // Host triple for the compiler being invoked
+    host: ~str,
+
     // Extra parameter to run adb on arm-linux-androideabi
     adb_path: ~str,
 

trunk/src/compiletest/compiletest.rs

@@ -73,6 +73,7 @@ pub fn parse_config(args: ~[~str]) -> config {
                  "percent change in metrics to consider noise", "N"),
           optflag("", "jit", "run tests under the JIT"),
           optopt("", "target", "the target to build for", "TARGET"),
+          optopt("", "host", "the host to build for", "HOST"),
           optopt("", "adb-path", "path to the android debugger", "PATH"),
           optopt("", "adb-test-dir", "path to tests for the android debugger", "PATH"),
           optopt("", "test-shard", "run shard A, of B shards, worth of the testsuite", "A.B"),
@@ -134,6 +135,7 @@ pub fn parse_config(args: ~[~str]) -> config {
         rustcflags: matches.opt_str("rustcflags"),
         jit: matches.opt_present("jit"),
         target: opt_str2(matches.opt_str("target")).to_str(),
+        host: opt_str2(matches.opt_str("host")).to_str(),
         adb_path: opt_str2(matches.opt_str("adb-path")).to_str(),
         adb_test_dir:
             opt_str2(matches.opt_str("adb-test-dir")).to_str(),
@@ -167,6 +169,7 @@ pub fn log_config(config: &config) {
     logv(c, format!("rustcflags: {}", opt_str(&config.rustcflags)));
     logv(c, format!("jit: {}", config.jit));
     logv(c, format!("target: {}", config.target));
+    logv(c, format!("host: {}", config.host));
     logv(c, format!("adb_path: {}", config.adb_path));
     logv(c, format!("adb_test_dir: {}", config.adb_test_dir));
     logv(c, format!("adb_device_status: {}", config.adb_device_status));

trunk/src/compiletest/errors.rs

@@ -8,8 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::io::buffered::BufferedReader;
-use std::io::File;
+use std::io::{BufferedReader, File};
 
 pub struct ExpectedError { line: uint, kind: ~str, msg: ~str }
 

trunk/src/compiletest/header.rs

@@ -28,6 +28,8 @@ pub struct TestProps {
     debugger_cmds: ~[~str],
     // Lines to check if they appear in the expected debugger output
     check_lines: ~[~str],
+    // Flag to force a crate to be built with the host architecture
+    force_host: bool,
 }
 
 // Load any test directives embedded in the file
@@ -39,6 +41,7 @@ pub fn load_props(testfile: &Path) -> TestProps {
     let mut pp_exact = None;
     let mut debugger_cmds = ~[];
     let mut check_lines = ~[];
+    let mut force_host = false;
     iter_header(testfile, |ln| {
         match parse_error_pattern(ln) {
           Some(ep) => error_patterns.push(ep),
@@ -53,6 +56,10 @@ pub fn load_props(testfile: &Path) -> TestProps {
             pp_exact = parse_pp_exact(ln, testfile);
         }
 
+        if !force_host {
+            force_host = parse_force_host(ln);
+        }
+
         match parse_aux_build(ln) {
             Some(ab) => { aux_builds.push(ab); }
             None => {}
@@ -82,7 +89,8 @@ pub fn load_props(testfile: &Path) -> TestProps {
         aux_builds: aux_builds,
         exec_env: exec_env,
         debugger_cmds: debugger_cmds,
-        check_lines: check_lines
+        check_lines: check_lines,
+        force_host: force_host,
     };
 }
 
@@ -107,8 +115,7 @@ pub fn is_test_ignored(config: &config, testfile: &Path) -> bool {
 }
 
 fn iter_header(testfile: &Path, it: |&str| -> bool) -> bool {
-    use std::io::buffered::BufferedReader;
-    use std::io::File;
+    use std::io::{BufferedReader, File};
 
     let mut rdr = BufferedReader::new(File::open(testfile).unwrap());
     for ln in rdr.lines() {
@@ -142,6 +149,10 @@ fn parse_check_line(line: &str) -> Option<~str> {
     parse_name_value_directive(line, ~"check")
 }
 
+fn parse_force_host(line: &str) -> bool {
+    parse_name_directive(line, "force-host")
+}
+
 fn parse_exec_env(line: &str) -> Option<(~str, ~str)> {
     parse_name_value_directive(line, ~"exec-env").map(|nv| {
         // nv is either FOO or FOO=BAR

trunk/src/compiletest/runtest.rs

@@ -691,8 +691,9 @@ fn compose_and_run_compiler(
 
     for rel_ab in props.aux_builds.iter() {
         let abs_ab = config.aux_base.join(rel_ab.as_slice());
+        let aux_props = load_props(&abs_ab);
         let aux_args =
-            make_compile_args(config, props, ~[~"--lib"] + extra_link_args,
+            make_compile_args(config, &aux_props, ~[~"--lib"] + extra_link_args,
                               |a,b| make_lib_name(a, b, testfile), &abs_ab);
         let auxres = compose_and_run(config, &abs_ab, aux_args, ~[],
                                      config.compile_lib_path, None);
@@ -738,10 +739,16 @@ fn make_compile_args(config: &config,
                      testfile: &Path)
                      -> ProcArgs {
     let xform_file = xform(config, testfile);
+    let target = if props.force_host {
+        config.host.as_slice()
+    } else {
+        config.target.as_slice()
+    };
     // FIXME (#9639): This needs to handle non-utf8 paths
     let mut args = ~[testfile.as_str().unwrap().to_owned(),
                      ~"-o", xform_file.as_str().unwrap().to_owned(),
-                     ~"-L", config.build_base.as_str().unwrap().to_owned()]
+                     ~"-L", config.build_base.as_str().unwrap().to_owned(),
+                     ~"--target=" + target]
         + extras;
     args.push_all_move(split_maybe_args(&config.rustcflags));
     args.push_all_move(split_maybe_args(&props.compile_flags));

trunk/src/etc/check-summary.py

@@ -7,22 +7,30 @@
     summaries = []
     def summarise(fname):
         summary = {}
-        fd = open(fname)
-        for line in fd:
-            status, test = line.strip().split(' ', 1)
-            if not summary.has_key(status):
-                summary[status] = []
-            summary[status].append(test)
-        summaries.append((fname, summary))
+        with open(fname) as fd:
+            for line in fd:
+                splitline = line.strip().split(' ')
+                if len(splitline) == 1:
+                    continue
+                status = splitline[0]
+                test = splitline[-1]
+                # track bench runs
+                if splitline[1] == 'ns/iter':
+                    status = 'bench'
+                if not summary.has_key(status):
+                    summary[status] = []
+                summary[status].append(test)
+            summaries.append((fname, summary))
     def count(t):
         return sum(map(lambda (f, s): len(s.get(t, [])), summaries))
     logfiles = sys.argv[1:]
     map(summarise, logfiles)
     ok = count('ok')
     failed = count('failed')
     ignored = count('ignored')
-    print "summary of %d test runs: %d passed; %d failed; %d ignored" % \
-            (len(logfiles), ok, failed, ignored)
+    measured = count('bench')
+    print "summary of %d test runs: %d passed; %d failed; %d ignored; %d measured" % \
+            (len(logfiles), ok, failed, ignored, measured)
     print ""
     if failed > 0:
         print "failed tests:"