run rustfmt on compiletest folder in src/tools/ folder

src/tools/compiletest/src/common.rs

@@ -36,45 +36,46 @@ impl FromStr for Mode {
     type Err = ();
     fn from_str(s: &str) -> Result<Mode, ()> {
         match s {
-          "compile-fail" => Ok(CompileFail),
-          "parse-fail" => Ok(ParseFail),
-          "run-fail" => Ok(RunFail),
-          "run-pass" => Ok(RunPass),
-          "run-pass-valgrind" => Ok(RunPassValgrind),
-          "pretty" => Ok(Pretty),
-          "debuginfo-lldb" => Ok(DebugInfoLldb),
-          "debuginfo-gdb" => Ok(DebugInfoGdb),
-          "codegen" => Ok(Codegen),
-          "rustdoc" => Ok(Rustdoc),
-          "codegen-units" => Ok(CodegenUnits),
-          "incremental" => Ok(Incremental),
-          "run-make" => Ok(RunMake),
-          "ui" => Ok(Ui),
-          "mir-opt" => Ok(MirOpt),
-          _ => Err(()),
+            "compile-fail" => Ok(CompileFail),
+            "parse-fail" => Ok(ParseFail),
+            "run-fail" => Ok(RunFail),
+            "run-pass" => Ok(RunPass),
+            "run-pass-valgrind" => Ok(RunPassValgrind),
+            "pretty" => Ok(Pretty),
+            "debuginfo-lldb" => Ok(DebugInfoLldb),
+            "debuginfo-gdb" => Ok(DebugInfoGdb),
+            "codegen" => Ok(Codegen),
+            "rustdoc" => Ok(Rustdoc),
+            "codegen-units" => Ok(CodegenUnits),
+            "incremental" => Ok(Incremental),
+            "run-make" => Ok(RunMake),
+            "ui" => Ok(Ui),
+            "mir-opt" => Ok(MirOpt),
+            _ => Err(()),
         }
     }
 }
 
 impl fmt::Display for Mode {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt::Display::fmt(match *self {
-            CompileFail => "compile-fail",
-            ParseFail => "parse-fail",
-            RunFail => "run-fail",
-            RunPass => "run-pass",
-            RunPassValgrind => "run-pass-valgrind",
-            Pretty => "pretty",
-            DebugInfoGdb => "debuginfo-gdb",
-            DebugInfoLldb => "debuginfo-lldb",
-            Codegen => "codegen",
-            Rustdoc => "rustdoc",
-            CodegenUnits => "codegen-units",
-            Incremental => "incremental",
-            RunMake => "run-make",
-            Ui => "ui",
-            MirOpt => "mir-opt",
-        }, f)
+                              CompileFail => "compile-fail",
+                              ParseFail => "parse-fail",
+                              RunFail => "run-fail",
+                              RunPass => "run-pass",
+                              RunPassValgrind => "run-pass-valgrind",
+                              Pretty => "pretty",
+                              DebugInfoGdb => "debuginfo-gdb",
+                              DebugInfoLldb => "debuginfo-lldb",
+                              Codegen => "codegen",
+                              Rustdoc => "rustdoc",
+                              CodegenUnits => "codegen-units",
+                              Incremental => "incremental",
+                              RunMake => "run-make",
+                              Ui => "ui",
+                              MirOpt => "mir-opt",
+                          },
+                          f)
     }
 }
 

src/tools/compiletest/src/errors.rs

@@ -64,7 +64,11 @@ pub struct Error {
 }
 
 #[derive(PartialEq, Debug)]
-enum WhichLine { ThisLine, FollowPrevious(usize), AdjustBackward(usize) }
+enum WhichLine {
+    ThisLine,
+    FollowPrevious(usize),
+    AdjustBackward(usize),
+}
 
 /// Looks for either "//~| KIND MESSAGE" or "//~^^... KIND MESSAGE"
 /// The former is a "follow" that inherits its target from the preceding line;
@@ -91,60 +95,59 @@ pub fn load_errors(testfile: &Path, cfg: Option<&str>) -> Vec<Error> {
 
     let tag = match cfg {
         Some(rev) => format!("//[{}]~", rev),
-        None => format!("//~")
+        None => format!("//~"),
     };
 
     rdr.lines()
-       .enumerate()
-       .filter_map(|(line_num, line)| {
-           parse_expected(last_nonfollow_error,
-                          line_num + 1,
-                          &line.unwrap(),
-                          &tag)
-               .map(|(which, error)| {
-                   match which {
-                       FollowPrevious(_) => {}
-                       _ => last_nonfollow_error = Some(error.line_num),
-                   }
-                   error
-               })
-       })
-       .collect()
+        .enumerate()
+        .filter_map(|(line_num, line)| {
+            parse_expected(last_nonfollow_error, line_num + 1, &line.unwrap(), &tag)
+                .map(|(which, error)| {
+                    match which {
+                        FollowPrevious(_) => {}
+                        _ => last_nonfollow_error = Some(error.line_num),
+                    }
+                    error
+                })
+        })
+        .collect()
 }
 
 fn parse_expected(last_nonfollow_error: Option<usize>,
                   line_num: usize,
                   line: &str,
                   tag: &str)
                   -> Option<(WhichLine, Error)> {
-    let start = match line.find(tag) { Some(i) => i, None => return None };
+    let start = match line.find(tag) {
+        Some(i) => i,
+        None => return None,
+    };
     let (follow, adjusts) = if line[start + tag.len()..].chars().next().unwrap() == '|' {
         (true, 0)
     } else {
         (false, line[start + tag.len()..].chars().take_while(|c| *c == '^').count())
     };
     let kind_start = start + tag.len() + adjusts + (follow as usize);
     let (kind, msg);
-    match
-        line[kind_start..].split_whitespace()
-                          .next()
-                          .expect("Encountered unexpected empty comment")
-                          .parse::<ErrorKind>()
-    {
+    match line[kind_start..]
+        .split_whitespace()
+        .next()
+        .expect("Encountered unexpected empty comment")
+        .parse::<ErrorKind>() {
         Ok(k) => {
             // If we find `//~ ERROR foo` or something like that:
             kind = Some(k);
             let letters = line[kind_start..].chars();
             msg = letters.skip_while(|c| c.is_whitespace())
-                         .skip_while(|c| !c.is_whitespace())
-                         .collect::<String>();
+                .skip_while(|c| !c.is_whitespace())
+                .collect::<String>();
         }
         Err(_) => {
             // Otherwise we found `//~ foo`:
             kind = None;
             let letters = line[kind_start..].chars();
             msg = letters.skip_while(|c| c.is_whitespace())
-                         .collect::<String>();
+                .collect::<String>();
         }
     }
     let msg = msg.trim().to_owned();
@@ -155,15 +158,25 @@ fn parse_expected(last_nonfollow_error: Option<usize>,
                                                     preceding //~^ line.");
         (FollowPrevious(line_num), line_num)
     } else {
-        let which =
-            if adjusts > 0 { AdjustBackward(adjusts) } else { ThisLine };
+        let which = if adjusts > 0 {
+            AdjustBackward(adjusts)
+        } else {
+            ThisLine
+        };
         let line_num = line_num - adjusts;
         (which, line_num)
     };
 
     debug!("line={} tag={:?} which={:?} kind={:?} msg={:?}",
-           line_num, tag, which, kind, msg);
-    Some((which, Error { line_num: line_num,
-                         kind: kind,
-                         msg: msg, }))
+           line_num,
+           tag,
+           which,
+           kind,
+           msg);
+    Some((which,
+          Error {
+        line_num: line_num,
+        kind: kind,
+        msg: msg,
+    }))
 }