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236 lines
10 KiB
Swift
236 lines
10 KiB
Swift
// RUN: rm -rf %t && mkdir -p %t
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// RUN: %target-build-swift -Xfrontend -enable-reflection-metadata -Xfrontend -enable-reflection-names -lswiftSwiftReflectionTest %s -o %T/example
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// RUN: %target-run %target-swift-reflection-test %T/example 2>&1 | FileCheck %s --check-prefix=CHECK-%target-ptrsize
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// REQUIRES: objc_interop
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/*
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This file pokes at the swift_reflection_projectExistential API
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of the SwiftRemoteMirror library.
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It tests the three conditions of existential layout:
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- Class existentials
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- Existentials whose contained type fits in the 3-word buffer
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- Existentials whose contained type has to be allocated into a
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raw heap buffer.
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- See also: SwiftReflectionTest.reflect(any:)
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*/
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import SwiftReflectionTest
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class MyClass<T, U> {
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let x: T
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let y: (T, U)
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init(x: T, y: (T, U)) {
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self.x = x
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self.y = y
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}
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}
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struct MyStruct<T, U, V> {
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let x: T
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let y: U
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let z: V
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}
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// This will be projected as a class existential, so its
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// size doesn't matter.
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var mc = MyClass(x: 1010, y: (2020, 3030))
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reflect(any: mc)
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// CHECK-64: Reflecting an existential.
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// CHECK-64: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-64: Type reference:
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// CHECK-64: (bound_generic_class example.MyClass
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int))
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// CHECK-64: Type info:
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// CHECK-64: (reference kind=strong refcounting=native)
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// CHECK-32: Reflecting an existential.
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// CHECK-32: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-32: Type reference:
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// CHECK-32: (bound_generic_class example.MyClass
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int))
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// CHECK-32: Type info:
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// CHECK-32: (reference kind=strong refcounting=native)
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// This value fits in the 3-word buffer in the container.
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var smallStruct = MyStruct(x: 1, y: 2, z: 3)
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reflect(any: smallStruct)
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// CHECK-64: Reflecting an existential.
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// CHECK-64: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-64: Type reference:
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// CHECK-64: (bound_generic_struct example.MyStruct
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int))
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// CHECK-64: Type info:
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// CHECK-64: (struct size=24 alignment=8 stride=24 num_extra_inhabitants=0
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// CHECK-64: (field name=x offset=0
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field name=y offset=8
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field name=z offset=16
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))
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// CHECK-32: Reflecting an existential.
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// CHECK-32: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-32: Type reference:
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// CHECK-32: (bound_generic_struct example.MyStruct
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int))
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// CHECK-32: Type info:
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// CHECK-32: (struct size=12 alignment=4 stride=12 num_extra_inhabitants=0
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// CHECK-32: (field name=x offset=0
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field name=y offset=4
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field name=z offset=8
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0)))))
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// This value will be copied into a heap buffer, with a
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// pointer to it in the existential.
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var largeStruct = MyStruct(x: (1,1,1), y: (2,2,2), z: (3,3,3))
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reflect(any: largeStruct)
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// CHECK-64: Reflecting an existential.
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// CHECK-64: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-64: Type reference:
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// CHECK-64: (bound_generic_struct example.MyStruct
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// CHECK-64: (tuple
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int))
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// CHECK-64: (tuple
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int))
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// CHECK-64: (tuple
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int)
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// CHECK-64: (struct Swift.Int)))
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// CHECK-64: Type info:
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// CHECK-64: (struct size=72 alignment=8 stride=72 num_extra_inhabitants=0
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// CHECK-64: (field name=x offset=0
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// CHECK-64: (tuple size=24 alignment=8 stride=24 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=8
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=16
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))))
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// CHECK-64: (field name=y offset=24
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// CHECK-64: (tuple size=24 alignment=8 stride=24 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=8
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=16
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))))
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// CHECK-64: (field name=z offset=48
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// CHECK-64: (tuple size=24 alignment=8 stride=24 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=8
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0))))
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// CHECK-64: (field offset=16
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// CHECK-64: (struct size=8 alignment=8 stride=8 num_extra_inhabitants=0
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// CHECK-64: (field offset=0
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// CHECK-64: (builtin size=8 alignment=8 stride=8 num_extra_inhabitants=0)))))))
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// CHECK-32: Reflecting an existential.
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// CHECK-32: Instance pointer in child address space: 0x{{[0-9a-fA-F]+}}
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// CHECK-32: Type reference:
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// CHECK-32: (bound_generic_struct example.MyStruct
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// CHECK-32: (tuple
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int))
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// CHECK-32: (tuple
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int))
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// CHECK-32: (tuple
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int)
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// CHECK-32: (struct Swift.Int)))
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// CHECK-32: Type info:
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// CHECK-32: (struct size=36 alignment=4 stride=36 num_extra_inhabitants=0
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// CHECK-32: (field name=x offset=0
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// CHECK-32: (tuple size=12 alignment=4 stride=12 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=4
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=8
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))))
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// CHECK-32: (field name=y offset=12
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// CHECK-32: (tuple size=12 alignment=4 stride=12 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=4
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=8
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))))
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// CHECK-32: (field name=z offset=24
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// CHECK-32: (tuple size=12 alignment=4 stride=12 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=4
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0))))
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// CHECK-32: (field offset=8
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// CHECK-32: (struct size=4 alignment=4 stride=4 num_extra_inhabitants=0
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// CHECK-32: (field offset=0
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// CHECK-32: (builtin size=4 alignment=4 stride=4 num_extra_inhabitants=0)))))))
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doneReflecting()
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