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// RUN: %target-swift-frontend -typecheck -dump-type-refinement-contexts %s -target %target-cpu-apple-macos50 > %t.dump 2>&1
// RUN: %FileCheck --strict-whitespace %s < %t.dump
// REQUIRES: OS=macosx
// CHECK: {{^}}(root versions=[50,+Inf)
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=SomeClass
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someMethod()
// CHECK-NEXT: {{^}} (decl versions=[53,+Inf) decl=someInnerFunc()
// CHECK-NEXT: {{^}} (decl versions=[53,+Inf) decl=InnerClass
// CHECK-NEXT: {{^}} (decl versions=[54,+Inf) decl=innerClassMethod
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someStaticProperty
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someStaticProperty
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someStaticPropertyInferredType
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someStaticPropertyInferredType
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=multiPatternStaticPropertyA
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=multiPatternStaticPropertyA
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someComputedProperty
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someComputedProperty
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someOtherMethod()
@available(OSX 51, *)
class SomeClass {
@available(OSX 52, *)
func someMethod() {
@available(OSX 53, *)
func someInnerFunc() { }
@available(OSX 53, *)
class InnerClass {
@available(OSX 54, *)
func innerClassMethod() { }
}
}
func someUnrefinedMethod() { }
@available(OSX 52, *)
static var someStaticProperty: Int = 7
@available(OSX 52, *)
static var someStaticPropertyInferredType = 7
@available(OSX 52, *)
static var multiPatternStaticPropertyA = 7,
multiPatternStaticPropertyB = 8
@available(OSX 52, *)
var someComputedProperty: Int {
get { }
set(v) { }
}
@available(OSX 52, *)
func someOtherMethod() { }
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=someFunction()
@available(OSX 51, *)
func someFunction() { }
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=SomeProtocol
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=protoMethod()
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=protoProperty
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=protoProperty
@available(OSX 51, *)
protocol SomeProtocol {
@available(OSX 52, *)
func protoMethod() -> Int
@available(OSX 52, *)
var protoProperty: Int { get }
}
// CHECK-NEXT: {{^}} (decl_implicit versions=[50,+Inf) decl=extension.SomeClass
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=extension.SomeClass
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someExtensionFunction()
@available(OSX 51, *)
extension SomeClass {
@available(OSX 52, *)
func someExtensionFunction() { }
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=functionWithStmtCondition
// CHECK-NEXT: {{^}} (condition_following_availability versions=[52,+Inf)
// CHECK-NEXT: {{^}} (condition_following_availability versions=[53,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[53,+Inf)
// CHECK-NEXT: {{^}} (condition_following_availability versions=[54,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[54,+Inf)
// CHECK-NEXT: {{^}} (condition_following_availability versions=[55,+Inf)
// CHECK-NEXT: {{^}} (decl versions=[55,+Inf) decl=funcInGuardElse()
// CHECK-NEXT: {{^}} (guard_fallthrough versions=[55,+Inf)
// CHECK-NEXT: {{^}} (condition_following_availability versions=[56,+Inf)
// CHECK-NEXT: {{^}} (guard_fallthrough versions=[56,+Inf)
// CHECK-NEXT: {{^}} (decl versions=[57,+Inf) decl=funcInInnerIfElse()
@available(OSX 51, *)
func functionWithStmtCondition() {
if #available(OSX 52, *),
let x = (nil as Int?),
#available(OSX 53, *) {
if #available(OSX 54, *) {
guard #available(OSX 55, *) else {
@available(OSX 55, *)
func funcInGuardElse() { }
}
guard #available(OSX 56, *) else { }
} else {
@available(OSX 57, *)
func funcInInnerIfElse() { }
}
}
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=functionWithUnnecessaryStmtCondition
// CHECK-NEXT: {{^}} (condition_following_availability versions=[53,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[53,+Inf)
// CHECK-NEXT: {{^}} (condition_following_availability versions=[54,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[54,+Inf)
@available(OSX 51, *)
func functionWithUnnecessaryStmtCondition() {
// Shouldn't introduce refinement context for then branch when unnecessary
if #available(OSX 51, *) {
}
if #available(OSX 10.9, *) {
}
// Nested in conjunctive statement condition
if #available(OSX 53, *),
let x = (nil as Int?),
#available(OSX 52, *) {
}
if #available(OSX 54, *),
#available(OSX 54, *) {
}
// Wildcard is same as minimum deployment target
if #available(iOS 7.0, *) {
}
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=functionWithUnnecessaryStmtConditionsHavingElseBranch
// CHECK-NEXT: {{^}} (if_else versions=empty
// CHECK-NEXT: {{^}} (decl versions=empty decl=funcInInnerIfElse()
// CHECK-NEXT: {{^}} (if_else versions=empty
// CHECK-NEXT: {{^}} (guard_else versions=empty
// CHECK-NEXT: {{^}} (guard_else versions=empty
// CHECK-NEXT: {{^}} (if_else versions=empty
@available(OSX 51, *)
func functionWithUnnecessaryStmtConditionsHavingElseBranch(p: Int?) {
// Else branch context version is bottom when check is unnecessary
if #available(OSX 51, *) {
} else {
if #available(OSX 52, *) {
}
@available(OSX 52, *)
func funcInInnerIfElse() { }
if #available(iOS 7.0, *) {
} else {
}
}
if #available(iOS 7.0, *) {
} else {
}
guard #available(iOS 8.0, *) else { }
// Else branch will execute if p is nil, so it is not dead.
if #available(iOS 7.0, *),
let x = p {
} else {
}
if #available(iOS 7.0, *),
let x = p,
#available(iOS 7.0, *) {
} else {
}
// Else branch is dead
guard #available(iOS 7.0, *),
#available(iOS 8.0, *) else { }
if #available(OSX 51, *),
#available(OSX 51, *) {
} else {
}
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=functionWithWhile()
// CHECK-NEXT: {{^}} (condition_following_availability versions=[52,+Inf)
// CHECK-NEXT: {{^}} (while_body versions=[52,+Inf)
// CHECK-NEXT: {{^}} (decl versions=[54,+Inf) decl=funcInWhileBody()
@available(OSX 51, *)
func functionWithWhile() {
while #available(OSX 52, *),
let x = (nil as Int?) {
@available(OSX 54, *)
func funcInWhileBody() { }
}
}
// CHECK-NEXT: {{^}} (decl_implicit versions=[50,+Inf) decl=extension.SomeClass
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=extension.SomeClass
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someStaticPropertyWithClosureInit
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someStaticPropertyWithClosureInit
// CHECK-NEXT: {{^}} (condition_following_availability versions=[54,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[54,+Inf)
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someStaticPropertyWithClosureInitInferred
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someStaticPropertyWithClosureInitInferred
// CHECK-NEXT: {{^}} (condition_following_availability versions=[54,+Inf)
// CHECK-NEXT: {{^}} (if_then versions=[54,+Inf)
@available(OSX 51, *)
extension SomeClass {
@available(OSX 52, *)
static var someStaticPropertyWithClosureInit: Int = {
if #available(OSX 54, *) {
return 54
}
return 53
}()
@available(OSX 52, *)
static var someStaticPropertyWithClosureInitInferred = {
if #available(OSX 54, *) {
return 54
}
return 53
}()
}
// CHECK-NEXT: {{^}} (decl_implicit versions=[50,+Inf) decl=wrappedValue
@propertyWrapper
struct Wrapper<T> {
var wrappedValue: T
}
// CHECK-NEXT: {{^}} (decl versions=[51,+Inf) decl=SomeStruct
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someLazyVar
// CHECK-NEXT: {{^}} (condition_following_availability versions=[52,+Inf)
// CHECK-NEXT: {{^}} (guard_fallthrough versions=[52,+Inf)
// CHECK-NEXT: {{^}} (decl_implicit versions=[51,+Inf) decl=someWrappedVar
// CHECK-NEXT: {{^}} (condition_following_availability versions=[52,+Inf)
// CHECK-NEXT: {{^}} (guard_fallthrough versions=[52,+Inf)
// CHECK-NEXT: {{^}} (decl versions=[52,+Inf) decl=someMethodAvailable52()
@available(OSX 51, *)
struct SomeStruct {
lazy var someLazyVar = {
guard #available(OSX 52, *) else {
return someMethod()
}
return someMethodAvailable52()
}()
@Wrapper var someWrappedVar = {
guard #available(OSX 52, *) else {
return 51
}
return 52
}()
func someMethod() -> Int { return 51 }
@available(OSX 52, *)
func someMethodAvailable52() -> Int { return 52 }
}
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