Merge pull request rust-lang#299 from RalfJung/rustfmt

rustfmt

Author: oli-obk

benches/fibonacci.rs

@@ -7,9 +7,7 @@ use helpers::*;
 
 #[bench]
 fn fib(bencher: &mut Bencher) {
-    bencher.iter(|| {
-        fibonacci_helper::main();
-    })
+    bencher.iter(|| { fibonacci_helper::main(); })
 }
 
 #[bench]
@@ -19,9 +17,7 @@ fn fib_miri(bencher: &mut Bencher) {
 
 #[bench]
 fn fib_iter(bencher: &mut Bencher) {
-    bencher.iter(|| {
-        fibonacci_helper_iterative::main();
-    })
+    bencher.iter(|| { fibonacci_helper_iterative::main(); })
 }
 
 #[bench]

benches/helpers/fibonacci_helper.rs

@@ -4,9 +4,5 @@ pub fn main() {
 }
 
 fn fib(n: usize) -> usize {
-    if n <= 2 {
-        1
-    } else {
-        fib(n - 1) + fib(n - 2)
-    }
+    if n <= 2 { 1 } else { fib(n - 1) + fib(n - 2) }
 }

benches/helpers/miri_helper.rs

@@ -19,9 +19,13 @@ fn find_sysroot() -> String {
     let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
     match (home, toolchain) {
         (Some(home), Some(toolchain)) => format!("{}/toolchains/{}", home, toolchain),
-        _ => option_env!("RUST_SYSROOT")
-            .expect("need to specify RUST_SYSROOT env var or use rustup or multirust")
-            .to_owned(),
+        _ => {
+            option_env!("RUST_SYSROOT")
+                .expect(
+                    "need to specify RUST_SYSROOT env var or use rustup or multirust",
+                )
+                .to_owned()
+        }
     }
 }
 
@@ -30,7 +34,7 @@ pub fn run(filename: &str, bencher: &mut Bencher) {
         "miri".to_string(),
         format!("benches/helpers/{}.rs", filename),
         "--sysroot".to_string(),
-        find_sysroot()
+        find_sysroot(),
     ];
     let compiler_calls = &mut MiriCompilerCalls(Rc::new(RefCell::new(bencher)));
     rustc_driver::run_compiler(args, compiler_calls, None, None);
@@ -40,7 +44,7 @@ impl<'a> CompilerCalls<'a> for MiriCompilerCalls<'a> {
     fn build_controller(
         &mut self,
         _: &Session,
-        _: &getopts::Matches
+        _: &getopts::Matches,
     ) -> driver::CompileController<'a> {
         let mut control: driver::CompileController<'a> = driver::CompileController::basic();
 
@@ -51,14 +55,17 @@ impl<'a> CompilerCalls<'a> for MiriCompilerCalls<'a> {
             state.session.abort_if_errors();
 
             let tcx = state.tcx.unwrap();
-            let (entry_node_id, _) = state.session.entry_fn.borrow()
-                .expect("no main or start function found");
+            let (entry_node_id, _) = state.session.entry_fn.borrow().expect(
+                "no main or start function found",
+            );
             let entry_def_id = tcx.map.local_def_id(entry_node_id);
 
-            let memory_size = 100*1024*1024; // 100MB
+            let memory_size = 100 * 1024 * 1024; // 100MB
             let step_limit = 1000_000;
             let stack_limit = 100;
-            bencher.borrow_mut().iter(|| { eval_main(tcx, entry_def_id, memory_size, step_limit, stack_limit); });
+            bencher.borrow_mut().iter(|| {
+                eval_main(tcx, entry_def_id, memory_size, step_limit, stack_limit);
+            });
 
             state.session.abort_if_errors();
         });

benches/helpers/smoke_helper.rs

@@ -1,3 +1,2 @@
 #[inline(never)]
-pub fn main() {
-}
+pub fn main() {}

benches/smoke.rs

@@ -7,9 +7,7 @@ use helpers::*;
 
 #[bench]
 fn noop(bencher: &mut Bencher) {
-    bencher.iter(|| {
-        smoke_helper::main();
-    })
+    bencher.iter(|| { smoke_helper::main(); })
 }
 
 /*

miri/bin/cargo-miri.rs

@@ -50,43 +50,68 @@ fn main() {
         let test = std::env::args().nth(2).map_or(false, |text| text == "test");
         let skip = if test { 3 } else { 2 };
 
-        let manifest_path_arg = std::env::args().skip(skip).find(|val| val.starts_with("--manifest-path="));
-
-        let mut metadata = if let Ok(metadata) = cargo_metadata::metadata(manifest_path_arg.as_ref().map(AsRef::as_ref)) {
+        let manifest_path_arg = std::env::args().skip(skip).find(|val| {
+            val.starts_with("--manifest-path=")
+        });
+
+        let mut metadata = if let Ok(metadata) = cargo_metadata::metadata(
+            manifest_path_arg.as_ref().map(AsRef::as_ref),
+        )
+        {
             metadata
         } else {
-            let _ = std::io::stderr().write_fmt(format_args!("error: Could not obtain cargo metadata."));
+            let _ = std::io::stderr().write_fmt(format_args!(
+                "error: Could not obtain cargo metadata."
+            ));
             std::process::exit(101);
         };
 
-        let manifest_path = manifest_path_arg.map(|arg| PathBuf::from(Path::new(&arg["--manifest-path=".len()..])));
+        let manifest_path = manifest_path_arg.map(|arg| {
+            PathBuf::from(Path::new(&arg["--manifest-path=".len()..]))
+        });
 
         let current_dir = std::env::current_dir();
 
-        let package_index = metadata.packages
+        let package_index = metadata
+            .packages
             .iter()
             .position(|package| {
                 let package_manifest_path = Path::new(&package.manifest_path);
                 if let Some(ref manifest_path) = manifest_path {
                     package_manifest_path == manifest_path
                 } else {
-                    let current_dir = current_dir.as_ref().expect("could not read current directory");
-                    let package_manifest_directory = package_manifest_path.parent()
-                        .expect("could not find parent directory of package manifest");
+                    let current_dir = current_dir.as_ref().expect(
+                        "could not read current directory",
+                    );
+                    let package_manifest_directory = package_manifest_path.parent().expect(
+                        "could not find parent directory of package manifest",
+                    );
                     package_manifest_directory == current_dir
                 }
             })
             .expect("could not find matching package");
         let package = metadata.packages.remove(package_index);
         for target in package.targets {
             let args = std::env::args().skip(skip);
-            let kind = target.kind.get(0).expect("badly formatted cargo metadata: target::kind is an empty array");
+            let kind = target.kind.get(0).expect(
+                "badly formatted cargo metadata: target::kind is an empty array",
+            );
             if test && kind == "test" {
-                if let Err(code) = process(vec!["--test".to_string(), target.name].into_iter().chain(args)) {
+                if let Err(code) = process(
+                    vec!["--test".to_string(), target.name].into_iter().chain(
+                        args,
+                    ),
+                )
+                {
                     std::process::exit(code);
                 }
             } else if !test && kind == "bin" {
-                if let Err(code) = process(vec!["--bin".to_string(), target.name].into_iter().chain(args)) {
+                if let Err(code) = process(
+                    vec!["--bin".to_string(), target.name].into_iter().chain(
+                        args,
+                    ),
+                )
+                {
                     std::process::exit(code);
                 }
             }
@@ -118,7 +143,11 @@ fn main() {
         let mut args: Vec<String> = if std::env::args().any(|s| s == "--sysroot") {
             std::env::args().skip(1).collect()
         } else {
-            std::env::args().skip(1).chain(Some("--sysroot".to_owned())).chain(Some(sys_root)).collect()
+            std::env::args()
+                .skip(1)
+                .chain(Some("--sysroot".to_owned()))
+                .chain(Some(sys_root))
+                .collect()
         };
 
         // this check ensures that dependencies are built but not interpreted and the final crate is
@@ -137,17 +166,20 @@ fn main() {
         args.extend_from_slice(&["--cfg".to_owned(), r#"feature="cargo-miri""#.to_owned()]);
 
         match command.args(&args).status() {
-            Ok(exit) => if !exit.success() {
-                std::process::exit(exit.code().unwrap_or(42));
-            },
+            Ok(exit) => {
+                if !exit.success() {
+                    std::process::exit(exit.code().unwrap_or(42));
+                }
+            }
             Err(ref e) if miri_enabled => panic!("error during miri run: {:?}", e),
             Err(ref e) => panic!("error during rustc call: {:?}", e),
         }
     }
 }
 
 fn process<I>(old_args: I) -> Result<(), i32>
-    where I: Iterator<Item = String>
+where
+    I: Iterator<Item = String>,
 {
     let mut args = vec!["rustc".to_owned()];