blob: e8f6e1df857efaa84cbe7f9173011e502dab6285 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
import scala.reflect.makro.Context
object Macros {
def impl(c: Context) = {
import c.mirror._
val inscope = c.inferImplicitValue(staticClass("SourceLocation").asType)
val outer = Expr[SourceLocation](if (!inscope.isEmpty) inscope else Literal(Constant(null)))
val Apply(fun, args) = c.enclosingImplicits(0)._2
val fileName = fun.pos.fileInfo.getName
val line = fun.pos.line
val charOffset = fun.pos.point
c.reify { SourceLocation1(outer.eval, c.literal(fileName).eval, c.literal(line).eval, c.literal(charOffset).eval) }
}
implicit def sourceLocation: SourceLocation1 = macro impl
}
trait SourceLocation {
/** Source location of the outermost call */
val outer: SourceLocation
/** The name of the source file */
val fileName: String
/** The line number */
val line: Int
/** The character offset */
val charOffset: Int
}
case class SourceLocation1(val outer: SourceLocation, val fileName: String, val line: Int, val charOffset: Int) extends SourceLocation
|
