Move the function to time passes to util

Author: sanxiyn

src/librustc/driver/driver.rs

@@ -21,6 +21,7 @@ use metadata::{creader, cstore, filesearch};
 use metadata;
 use middle::{trans, freevars, kind, ty, typeck, lint, astencode};
 use middle;
+use util::common::time;
 use util::ppaux;
 
 use core::int;
@@ -32,7 +33,6 @@ use core::vec;
 use std::getopts::groups::{optopt, optmulti, optflag, optflagopt, getopts};
 use std::getopts::{opt_present};
 use std::getopts;
-use std;
 use syntax::ast;
 use syntax::attr;
 use syntax::codemap;
@@ -164,16 +164,6 @@ pub fn parse_input(sess: Session, +cfg: ast::crate_cfg, input: input)
     }
 }
 
-pub fn time<T>(do_it: bool, what: ~str, thunk: &fn() -> T) -> T {
-    if !do_it { return thunk(); }
-    let start = std::time::precise_time_s();
-    let rv = thunk();
-    let end = std::time::precise_time_s();
-    io::stdout().write_str(fmt!("time: %3.3f s\t%s\n",
-                                end - start, what));
-    rv
-}
-
 #[deriving_eq]
 pub enum compile_upto {
     cu_parse,

src/librustc/util/common.rs

@@ -16,6 +16,16 @@ use syntax::visit;
 
 use core::str;
 use std::oldmap::HashMap;
+use std;
+
+pub fn time<T>(do_it: bool, what: ~str, thunk: &fn() -> T) -> T {
+    if !do_it { return thunk(); }
+    let start = std::time::precise_time_s();
+    let rv = thunk();
+    let end = std::time::precise_time_s();
+    io::println(fmt!("time: %3.3f s\t%s", end - start, what));
+    rv
+}
 
 pub fn indent<R>(op: &fn() -> R) -> R {
     // Use in conjunction with the log post-processor like `src/etc/indenter`