import com.foursquare.macros.CodeRef
import com.foursquare.macros.CodeRef._

// Explicit call. here now contains the
// current file (path relative to compiler wd)
// and line number
val here: CodeRef = CODEREF

// Implicit reference to caller.  Gives you the
// line from which the method was called without
// taking a stack trace.
def foo(bar: Int)(implicit caller: CodeRef) {
  println("called foo(" + bar + ") at " + caller)
}
foo(1)

import com.foursquare.macros.StackElement
import com.foursquare.macros.StackElement._

// Explicit call. here now contains the
// standard StackTraceElement (implicit from StackElement -> StackTraceElement)
scala> val here: StackTraceElement = STACKELEMENT

// Implicit reference to caller.  Gives you the
// StackTraceElement from which the method was called without
// taking a stack trace.
def foo(bar: Int)(implicit caller: StackElement) {
  println("called foo(" + bar + ") at " + caller)
}

foo(2)