// RUN: rm -rf %t && mkdir -p %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 // REQUIRES: rdar26561954 /* 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 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=16 alignment=4 stride=16 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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 num_extra_inhabitants=0 // 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=28 alignment=4 stride=28 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // CHECK-32-NEXT: (opaque_existential size=16 alignment=4 stride=16 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=1)) // CHECK-32-NEXT: (field name=value offset=4 // CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=1)) // CHECK-32-NEXT: (field name=value offset=8 // CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=1)) // CHECK-32-NEXT: (field name=metadata offset=12 // CHECK-32-NEXT: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=1))))) // CHECK-64: Type info: // CHECK-64-NEXT: (closure_context size=48 alignment=8 stride=48 num_extra_inhabitants=0 // 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=value offset=0 // CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=1)) // CHECK-64-NEXT: (field name=value offset=8 // CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=1)) // CHECK-64-NEXT: (field name=value offset=16 // CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=1)) // CHECK-64-NEXT: (field name=metadata offset=24 // CHECK-64-NEXT: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=1))))) } 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) } } } func generic(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=16 alignment=4 stride=16 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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 num_extra_inhabitants=0 // 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=40 alignment=4 stride=40 num_extra_inhabitants=0 // 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-32-NEXT: (field offset=36 // CHECK-32-NEXT: (reference kind=strong refcounting=native))) // CHECK-64: Type info: // CHECK-64-NEXT: (closure_context size=72 alignment=8 stride=72 num_extra_inhabitants=0 // 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 {} func genericWithSources(a: A, b: B, c: C, gc: GC) { 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=28 alignment=4 stride=28 num_extra_inhabitants=0 // 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-32-NEXT: (field offset=24 // CHECK-32-NEXT: (reference kind=strong refcounting=native))) // CHECK-64: Type info: // CHECK-64-NEXT: (closure_context size=48 alignment=8 stride=48 num_extra_inhabitants=0 // 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=16 stride=16 num_extra_inhabitants=0) // CHECK-32: Reflecting an object. // CHECK-32: Type reference: // CHECK-32: (class functions.CapturingClass) // CHECK-32: Type info: // CHECK-32: (class_instance size=12 alignment=16 stride=16 num_extra_inhabitants=0) 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 num_extra_inhabitants=0 // 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=32 alignment=8 stride=32 num_extra_inhabitants=0 // 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))))))) 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 num_extra_inhabitants=0 // 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=20 alignment=4 stride=20 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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))))) 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 num_extra_inhabitants=0 // CHECK-64-NEXT: (field offset=16 // 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=16 alignment=4 stride=16 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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))))) func arity3Capture1() -> (Int, String, AnyObject?) -> () { let c = Optional.some(C() as AnyObject) 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 num_extra_inhabitants=0 // 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 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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))))))) 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 num_extra_inhabitants=0 // 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-32: Reflecting an object. // CHECK-32: Type reference: // CHECK-32: (builtin Builtin.NativeObject) // CHECK-32: Type info: // CHECK-32: (closure_context size=20 alignment=4 stride=20 num_extra_inhabitants=0 // CHECK-32: (field offset=12 // CHECK-32: (reference kind=strong refcounting=native)) // CHECK-32: (field offset=16 // CHECK-32: (reference kind=strong refcounting=native))) func arity1Capture2() -> (Int) -> () { let x = Optional.some(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 num_extra_inhabitants=0 // 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 num_extra_inhabitants=0 // CHECK-32: (field offset=12 // 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))))))) 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 num_extra_inhabitants=0 // 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 num_extra_inhabitants=0 // CHECK-32: (field offset=12 // 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))))))) 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 num_extra_inhabitants=0 // 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=16 alignment=4 stride=16 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // 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 num_extra_inhabitants=0 // 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=16 alignment=4 stride=16 num_extra_inhabitants=0 // CHECK-32-NEXT: (field offset=12 // CHECK-32-NEXT: (reference kind=unowned refcounting=native))) doneReflecting()