blob: b103ae9cb09821fc52d6eaa51645be220677ac81 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
package scala.tools.nsc
package util
// todo: We should unify this with Tracer. I'd do it but Tracer is
// too complicated for me to understand quickly.
import java.io.PrintStream
/** A simple tracer
* @param out: The print stream where trace info shoul be sent
* @param enabled: A condition that must be true for trace info to be produced.
*/
class SimpleTracer(out: PrintStream, enabled: Boolean = true) {
def apply[T](msg: String)(value: T): T = {
if (enabled) out.println(msg+value)
value
}
def withOutput(out: PrintStream) = new SimpleTracer(out, enabled)
def when(enabled: Boolean): SimpleTracer = new SimpleTracer(out, enabled)
}
|