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functions.swift
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// RUN: %empty-directory(%t)
// RUN: %target-build-swift -lswiftSwiftReflectionTest %s -o %t/functions
// RUN: %target-run %target-swift-reflection-test %t/functions | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize
// FIXME: Should not require objc_interop -- please put Objective-C-specific
// testcases in functions_objc.swift
// REQUIRES: objc_interop
// REQUIRES: executable_test
/*
This file pokes at the swift_reflection_infoForInstance() API
of the SwiftRemoteMirror library.
It tests introspection of function closure contexts.
- See also: SwiftReflectionTest.reflect(function:)
*/
import SwiftReflectionTest
@_optimize(none)
func concrete(x: Int, y: Any) {
reflect(function: {print(x)})
// CHECK: Type reference:
// CHECK-NEXT: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32-NEXT: (closure_context size=12 alignment=4 stride=12
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0)))))
// CHECK-64: Type info:
// CHECK-64-NEXT: (closure_context size=24 alignment=8 stride=24
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))
// Here the context is a single boxed value
reflect(function: {print(y)})
// CHECK: Type reference:
// CHECK-NEXT: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32-NEXT: (closure_context size=24 alignment=4 stride=24
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (opaque_existential size=16 alignment=4 stride=16 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=metadata offset=12
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=4096)))))
// CHECK-64: Type info:
// CHECK-64-NEXT: (closure_context size=48 alignment=8 stride=48
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (opaque_existential size=32 alignment=8 stride=32 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=metadata offset=24
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=2147483647)))))
}
concrete(x: 10, y: true)
protocol P {}
extension Int : P {}
class C {
func captureWeakSelf() -> () -> () {
return { [weak self] in
print(self)
}
}
func captureUnownedSelf() -> () -> () {
return { [unowned self] in
print(self)
}
}
}
@_optimize(none)
func generic<T : P, U, V : C>(x: T, y: U, z: V, i: Int) {
reflect(function: {print(i)})
// CHECK: Type reference:
// CHECK-NEXT: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32-NEXT: (closure_context size=12 alignment=4 stride=12
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0)))))
// CHECK-64: Type info:
// CHECK-64-NEXT: (closure_context size=24 alignment=8 stride=24
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))
reflect(function: {print(x); print(y); print(z)})
// CHECK: Type reference:
// CHECK-NEXT: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32-NEXT: (closure_context size=36 alignment=4 stride=36
// CHECK-32-NEXT: (field offset=24
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=28
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=32
// CHECK-32-NEXT: (reference kind=strong refcounting=native)))
// CHECK-64: Type info:
// CHECK-64-NEXT: (closure_context size=72 alignment=8 stride=72
// CHECK-64-NEXT: (field offset=48
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=56
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=64
// CHECK-64-NEXT: (reference kind=strong refcounting=native)))
}
generic(x: 10, y: "", z: C(), i: 101)
class GC<A, B, C> {}
@_optimize(none)
func genericWithSources<A, B, C>(a: A, b: B, c: C, gc: GC<A, B, C>) {
reflect(function: {print(a); print(b); print(c); print(gc)})
// CHECK: Type reference:
// CHECK-NEXT: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32-NEXT: (closure_context size=24 alignment=4 stride=24
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=12
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=16
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=20
// CHECK-32-NEXT: (reference kind=strong refcounting=native)))
// CHECK-64: Type info:
// CHECK-64-NEXT: (closure_context size=48 alignment=8 stride=48
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=24
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=32
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=40
// CHECK-64-NEXT: (reference kind=strong refcounting=native)))
}
genericWithSources(a: (), b: ((), ()), c: ((), (), ()), gc: GC<(), ((), ()), ((), (), ())>())
class CapturingClass {
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (class functions.CapturingClass)
// CHECK-64: Type info:
// CHECK-64: (class_instance size=16 alignment=1 stride=16
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (class functions.CapturingClass)
// CHECK-32: Type info:
// CHECK-32: (class_instance size=8 alignment=1 stride=8
@_optimize(none)
func arity0Capture1() -> () -> () {
let closure = {
// Captures a single retainable reference.
print(self)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=32 alignment=8 stride=32
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-64-NEXT: (field offset=0
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
// CHECK-64-NEXT: (field offset=8
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=24 alignment=8 stride=24
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-32-NEXT: (field offset=0
// CHECK-32-NEXT: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
@_optimize(none)
func arity1Capture1() -> (Int) -> () {
let pair = (2, 333.0)
let closure = { (i: Int) in
print(pair)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=32 alignment=8 stride=32
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-64-NEXT: (field offset=0
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
// CHECK-64-NEXT: (field offset=8
// CHECK-64-NEXT: (reference kind=strong refcounting=native)))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=16 alignment=4 stride=16
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (tuple size=8 alignment=4 stride=8 num_extra_inhabitants=0
// CHECK-32-NEXT: (field offset=0
// CHECK-32-NEXT: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
// CHECK-32-NEXT: (field offset=4
// CHECK-32-NEXT: (reference kind=strong refcounting=native)))))
@_optimize(none)
func arity2Capture1() -> (Int, String) -> () {
let pair = (999, C())
let closure = { (i: Int, s: String) in
print(pair)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=24 alignment=8 stride=24
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (single_payload_enum size=8 alignment=8 stride=8 num_extra_inhabitants=2147483646
// CHECK-64-NEXT: (field name=some offset=0
// CHECK-64-NEXT: (class_existential size=8 alignment=8 stride=8 num_extra_inhabitants=2147483647
// CHECK-64-NEXT: (field name=object offset=0
// CHECK-64-NEXT: (reference kind=strong refcounting=unknown))))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=12 alignment=4 stride=12
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (single_payload_enum size=4 alignment=4 stride=4 num_extra_inhabitants=4095
// CHECK-32-NEXT: (field name=some offset=0
// CHECK-32-NEXT: (class_existential size=4 alignment=4 stride=4 num_extra_inhabitants=4096
// CHECK-32-NEXT: (field name=object offset=0
// CHECK-32-NEXT: (reference kind=strong refcounting=unknown)))))
@_optimize(none)
func arity3Capture1() -> (Int, String, AnyObject?) -> () {
let c: AnyObject? = C()
let closure = { (i: Int, s: String, a: AnyObject?) in
print(c)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=40 alignment=8 stride=40
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=24
// CHECK-64-NEXT: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-64-NEXT: (field offset=0
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
// CHECK-64-NEXT: (field offset=8
// CHECK-64-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64-NEXT: (field name=_value offset=0
// CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=32 alignment=8 stride=32
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (reference kind=strong refcounting=native))
// CHECK-32-NEXT: (field offset=16
// CHECK-32-NEXT: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-32-NEXT: (field offset=0
// CHECK-32-NEXT: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-32-NEXT: (field name=_value offset=0
// CHECK-32-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
@_optimize(none)
func arity0Capture2() -> () -> () {
let pair = (999, 1010.2)
let closure = {
print(self)
print(pair)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=32 alignment=8 stride=32
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (reference kind=strong refcounting=native))
// CHECK-64-NEXT: (field offset=24
// CHECK-64-NEXT: (single_payload_enum size=8 alignment=8 stride=8 num_extra_inhabitants=2147483646
// CHECK-64-NEXT: (field name=some offset=0
// CHECK-64-NEXT: (reference kind=strong refcounting=native))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=16 alignment=4 stride=16
// CHECK-32: (field offset=8
// CHECK-32: (reference kind=strong refcounting=native))
// CHECK-32: (field offset=12
// CHECK-32: (reference kind=strong refcounting=native)))
@_optimize(none)
func arity1Capture2() -> (Int) -> () {
let x: C? = C()
let closure = { (i: Int) in
print(self)
print(x)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=40 alignment=8 stride=40
// CHECK-64: (field offset=16
// CHECK-64: (reference kind=strong refcounting=native))
// CHECK-64: (field offset=24
// CHECK-64: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-64: (field offset=0
// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64: (field name=_value offset=0
// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
// CHECK-64: (field offset=8
// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64: (field name=_value offset=0
// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=32 alignment=8 stride=32
// CHECK-32: (field offset=8
// CHECK-32: (reference kind=strong refcounting=native))
// CHECK-32: (field offset=16
// CHECK-32: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-32: (field offset=0
// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32: (field name=_value offset=0
// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
// CHECK-32: (field offset=8
// CHECK-32: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-32: (field name=_value offset=0
// CHECK-32: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
@_optimize(none)
func arity2Capture2() -> (Int, String) -> () {
let pair = (999, 1010.2)
let closure = { (i: Int, s: String) in
print(self)
print(pair)
}
reflect(function: closure)
return closure
}
// CHECK-64: Reflecting an object.
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=40 alignment=8 stride=40
// CHECK-64: (field offset=16
// CHECK-64: (reference kind=strong refcounting=native))
// CHECK-64: (field offset=24
// CHECK-64: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-64: (field offset=0
// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64: (field name=_value offset=0
// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
// CHECK-64: (field offset=8
// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-64: (field name=_value offset=0
// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
// CHECK-32: Reflecting an object.
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=32 alignment=8 stride=32
// CHECK-32: (field offset=8
// CHECK-32: (reference kind=strong refcounting=native))
// CHECK-32: (field offset=16
// CHECK-32: (tuple size=16 alignment=8 stride=16 num_extra_inhabitants=0
// CHECK-32: (field offset=0
// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
// CHECK-32: (field name=_value offset=0
// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
// CHECK-32: (field offset=8
// CHECK-32: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
// CHECK-32: (field name=_value offset=0
// CHECK-32: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
@_optimize(none)
func arity3Capture2() -> (Int, String, AnyObject?) -> () {
let pair = (999, 1010.2)
let closure = { (i: Int, s: String, a: AnyObject?) in
print(self)
print(pair)
}
reflect(function: closure)
return closure
}
}
let cc = CapturingClass()
_ = cc.arity0Capture1()
_ = cc.arity1Capture1()
_ = cc.arity2Capture1()
_ = cc.arity3Capture1()
_ = cc.arity0Capture2()
_ = cc.arity1Capture2()
_ = cc.arity2Capture2()
_ = cc.arity3Capture2()
reflect(function: C().captureWeakSelf())
// CHECK-64: Reflecting an object.
// CHECK-64: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=24 alignment=8 stride=24
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (reference kind=weak refcounting=native)))
// CHECK-32: Reflecting an object.
// CHECK-32: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=12 alignment=4 stride=12
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (reference kind=weak refcounting=native)))
reflect(function: C().captureUnownedSelf())
// CHECK-64: Reflecting an object.
// CHECK-64: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
// CHECK-64: Type reference:
// CHECK-64: (builtin Builtin.NativeObject)
// CHECK-64: Type info:
// CHECK-64: (closure_context size=24 alignment=8 stride=24
// CHECK-64-NEXT: (field offset=16
// CHECK-64-NEXT: (reference kind=unowned refcounting=native)))
// CHECK-32: Reflecting an object.
// CHECK-32: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
// CHECK-32: Type reference:
// CHECK-32: (builtin Builtin.NativeObject)
// CHECK-32: Type info:
// CHECK-32: (closure_context size=12 alignment=4 stride=12
// CHECK-32-NEXT: (field offset=8
// CHECK-32-NEXT: (reference kind=unowned refcounting=native)))
doneReflecting()