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// REQUIRES: swift_swift_parser
// RUN: %empty-directory(%t)
// RUN: split-file --leading-lines %s %t
// Create the plugin
// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroPlugin) -module-name=MacroPlugin %t/MacroPlugin.swift -g -no-toolchain-stdlib-rpath
// RUN: not %target-swift-frontend -typecheck -swift-version 5 -load-plugin-library %t/%target-library-name(MacroPlugin) -module-name TestModule %t/TestModule.swift 2>&1 | %FileCheck %s
// CHECK: unexpected token '}' in expanded member list
//--- MacroPlugin.swift
import SwiftSyntax
import SwiftSyntaxBuilder
import SwiftSyntaxMacros
public struct InvalidMemberMacro: MemberMacro {
public static func expansion(
of node: AttributeSyntax,
providingMembersOf decl: some DeclGroupSyntax,
in context: some MacroExpansionContext
) throws -> [DeclSyntax] {
let invalidMember: DeclSyntax =
"""
// no member here
}
"""
return [
invalidMember
]
}
}
//--- TestModule.swift
@attached(member)
public macro InvalidMember() = #externalMacro(module: "MacroPlugin", type: "InvalidMemberMacro")
@InvalidMember
struct TestStruct { }
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