macro_availability_macosx.swift

// REQUIRES: swift_swift_parser, executable_test, OS=macosx

// RUN: %empty-directory(%t)
// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroDefinition) -module-name=MacroDefinition %S/Inputs/syntax_macro_definitions.swift -g -no-toolchain-stdlib-rpath -swift-version 5

// RUN: %target-typecheck-verify-swift -swift-version 5 -module-name MacrosTest -target %target-cpu-apple-macosx11 -load-plugin-library %t/%target-library-name(MacroDefinition)

@available(macOS 12.0,*)
structX{}

@freestanding(expression) macro m1()->X= #externalMacro(module:"A", type:"B") // expected-error{{'X' is only available in macOS 12.0 or newer}}
// expected-warning@-1{{external macro implementation type 'A.B' could not be found for macro 'm1()'}}

@available(macOS 12.0,*)
@freestanding(expression) macro m2()->X= #externalMacro(module:"A", type:"B")
// expected-warning@-1{{external macro implementation type 'A.B' could not be found for macro 'm2()'}}

@freestanding(expression) macro stringify<T>(_ value:T)->(T,String)= #externalMacro(module:"MacroDefinition", type:"StringifyMacro")

@available(macOS 12.0,*)
func onlyInMacOS12(){}

func test(){
 _ = #stringify({
if #available(macOS 12.0,*){
onlyInMacOS12()
}
})
}