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c6ec3156f7
Make sure we give each argument a different locator to ensure we can correctly record any opened types. rdar://153674889
38 lines
1.2 KiB
Swift
38 lines
1.2 KiB
Swift
// REQUIRES: swift_swift_parser
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// RUN: %target-typecheck-verify-swift -swift-version 5
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protocol P {
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associatedtype A
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}
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@freestanding(expression)
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macro resolve<T, U: P>(_ first: U.A, _ second: U) -> T = #externalMacro(module: "A", type: "B")
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// expected-warning@-1{{external macro implementation type 'A.B' could not be found}}
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// expected-note@-2{{'resolve' declared here}}
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protocol Q { }
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struct X: P {
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typealias A = Int
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}
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func test(i: Int) {
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_ = #resolve<any Q, X>(i, X())
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// expected-error@-1{{external macro implementation type 'A.B' could not be found for macro 'resolve'; plugin for module 'A' not found}}
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}
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@freestanding(expression)
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macro OverloadedMacro<T, U>(_ x: T, _ y: U) // expected-error {{requires a definition}} expected-note {{declared here}}
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@freestanding(expression)
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macro OverloadedMacro<T, U>(_ x: T, _ y: U, z: Int = 0) // expected-error {{requires a definition}}
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// Make sure we don't crash.
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func testOverloadedMacro() {
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struct S<T> {} // expected-note 2{{'T' declared as parameter to type 'S'}}
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_ = #OverloadedMacro<S, S>
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// expected-error@-1 2{{generic parameter 'T' could not be inferred}}
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// expected-error@-2 {{missing arguments for parameters #1, #2 in macro expansion}}
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}
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