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class Annot(obj: Any) extends Annotation with TypeConstraint
defined class Annot
-----
class A {
val x = "hello"
val y: Int @Annot(x) = 10
override def toString = "an A"
}
defined class A
-----
val a = new A
a: A = an A
-----
val y = a.y // should rewrite "this.x" to "a.x"
y: Int @Annot(a.x) = 10
-----
var a2 = new A
a2: A = an A
-----
val y2 = a2.y // should drop the annotation
y2: Int = 10
-----
object Stuff {
val x = "hello"
val y : Int @Annot(x) = 10
}
defined module Stuff
-----
val y = Stuff.y // should rewrite the annotation
y: Int @Annot(Stuff.x) = 10
-----
class B {
val y: Int @Annot(Stuff.x) = 10
override def toString = "a B"
}
defined class B
-----
val b = new B
b: B = a B
-----
val y = b.y // should keep the annotation
y: Int @Annot(Stuff.x) = 10
-----
def m(x: String): String @Annot(x) = x // m should be annotated with a debruijn
m: (x$0:String)String @Annot(x)
-----
val three = "three"
three: java.lang.String = three
-----
val three2 = m(three:three.type) // should change x to three
three2: String @Annot(three) = three
-----
var four = "four"
four: java.lang.String = four
-----
val four2 = m(four) // should have an existential bound
four2: String @Annot(x) forSome { val x: java.lang.String } = four
-----
val four3 = four2 // should have the same type as four2
four3: String @Annot(x) forSome { val x: java.lang.String } = four
-----
val stuff = m("stuff") // should not crash
stuff: String @Annot("stuff") = stuff
-----
class peer extends Annotation // should not crash
defined class peer
-----
class NPE[T <: NPE[T] @peer] // should not crash
error: illegal cyclic reference involving class NPE
-----
def m = {
val x = "three"
val y : String @Annot(x) = x
y
} // x should be existentially bound
m: String @Annot(x) forSome { val x: java.lang.String }
-----
def n(y: String) = {
def m(x: String) : String @Annot(x) = {
(if (x == "")
m("default")
else
x)
}
m("stuff".stripMargin)
} // x should be existentially bound
n: (String)String @Annot(x) forSome { val x: String }
-----
class rep extends Annotation
defined class rep
-----
object A { val x = "hello" : String @ rep }
defined module A
-----
val y = a.x // should drop the annotation
y: java.lang.String = hello
-----
val x = 3 : Int @Annot(e+f+g+h) //should have a graceful error message
<console>:5: error: not found: value e
val x = 3 : Int @Annot(e+f+g+h) //should have a graceful error message
^
-----
class Where(condition: Boolean) extends Annotation
defined class Where
-----
val x : Int @Where(self > 0 && self < 100) = 3
x: Int @Where(self.>(0).&&(self.<(100))) = 3
-----
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