// 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 { }