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41 lines
1.2 KiB
Swift
41 lines
1.2 KiB
Swift
// REQUIRES: swift_swift_parser
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// RUN: %empty-directory(%t)
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// RUN: split-file --leading-lines %s %t
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// Create the plugin
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// 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
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// 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
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// CHECK: unexpected token '}' in expanded member list
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//--- MacroPlugin.swift
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import SwiftSyntax
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import SwiftSyntaxBuilder
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import SwiftSyntaxMacros
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public struct InvalidMemberMacro: MemberMacro {
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public static func expansion(
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of node: AttributeSyntax,
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providingMembersOf decl: some DeclGroupSyntax,
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in context: some MacroExpansionContext
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) throws -> [DeclSyntax] {
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let invalidMember: DeclSyntax =
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"""
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// no member here
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}
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"""
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return [
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invalidMember
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]
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}
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}
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//--- TestModule.swift
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@attached(member)
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public macro InvalidMember() = #externalMacro(module: "MacroPlugin", type: "InvalidMemberMacro")
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@InvalidMember
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struct TestStruct { }
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