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// RUN: %target-swift-frontend %s -emit-sil \
// RUN: -o /dev/null \
// RUN: -verify \
// RUN: -sil-verify-all \
// RUN: -module-name test \
// RUN: -enable-experimental-feature NonescapableTypes
// REQUIRES: asserts
// REQUIRES: swift_in_compiler
struct BV : ~Escapable {
let p: UnsafeRawPointer
let c: Int
@_unsafeNonescapableResult
init(_ p: UnsafeRawPointer, _ c: Int) {
self.p = p
self.c = c
}
}
struct NC : ~Copyable {
let p: UnsafeRawPointer
let c: Int
func withBV<ResultType>(_ body: (BV) throws -> ResultType) rethrows
-> ResultType {
try body(BV(p, c))
}
}
@_nonescapable
struct NE {
var bv: BV
init(_ bv: consuming BV) -> dependsOn(bv) Self {
self.bv = bv
return self
}
}
func bv_assign_inout(bv: BV, other: inout BV) { // expected-error{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 {{it depends on the lifetime of argument 'bv'}}
other = bv // expected-note {{this use causes the lifetime-dependent value to escape}}
}
func bvmut_assign_inout(bv: inout BV, other: inout BV) {
other = bv // expected-error{{lifetime-dependent value escapes its scope}}
// expected-note @-2 {{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 {{this use causes the lifetime-dependent value to escape}}
}
func bvcons_assign_inout(bv: consuming BV, other: inout BV) {
other = bv // expected-error{{lifetime-dependent value escapes its scope}}
// expected-note @-2 {{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 {{this use causes the lifetime-dependent value to escape}}
}
func bv_assign_field(bv: BV, other: inout NE) { // expected-error{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 {{it depends on the lifetime of argument 'bv'}}
other.bv = bv // expected-note {{this use causes the lifetime-dependent value to escape}}
}
func bvmut_assign_field(bv: inout BV, other: inout NE) {
other.bv = bv // expected-error{{lifetime-dependent value escapes its scope}}
// expected-note @-2 {{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 {{this use causes the lifetime-dependent value to escape}}
}
func bvcons_assign_field(bv: consuming BV, other: inout NE) {
other.bv = bv // expected-error{{lifetime-dependent value escapes its scope}}
// expected-note @-2 {{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 {{this use causes the lifetime-dependent value to escape}}
}
func bv_capture_escape(bv: BV) -> ()->Int { // expected-error{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 {{it depends on the lifetime of argument 'bv'}}
return { bv.c } // expected-note {{this use causes the lifetime-dependent value to escape}}
}
// FIXME: Our debug locations on closure captures are incorrect.
// FIXME: We return two errors: one for the caller, and one for the closure.
func bvcons_capture_escape(bv: consuming BV) -> ()->Int { // expected-error *{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 *{{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 *{{this use causes the lifetime-dependent value to escape}}
return { bv.c }
}
func bv_capture_escapelet(bv: BV) -> ()->Int { // expected-error{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 {{it depends on the lifetime of argument 'bv'}}
let closure = { bv.c } // expected-note {{this use causes the lifetime-dependent value to escape}}
return closure
}
// FIXME: Our debug locations on closure captures are incorrect.
// FIXME: We return two errors: one for the caller, and one for the closure.
func bvcons_capture_escapelet(bv: consuming BV) -> ()->Int { // expected-error *{{lifetime-dependent variable 'bv' escapes its scope}}
// expected-note @-1 *{{it depends on the lifetime of argument 'bv'}}
// expected-note @-2 *{{this use causes the lifetime-dependent value to escape}}
let closure = { bv.c }
return closure
}
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