swift/test/Macros/Inputs/objc_cxx_macro_definitions.swift at main · ian-twilightcoder/swift · GitHub

Name: swift/test/Macros/Inputs/objc_cxx_macro_definitions.swift at main · ian-twilightcoder/swift · GitHub
Rating: 4.6 (9418 reviews)
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import SwiftParser
import SwiftSyntax
import SwiftSyntaxBuilder
import SwiftSyntaxMacros

structObjCMemberFuncMacro:MemberMacro{
staticfunc expansion(
 of node:AttributeSyntax,
 providingMembersOf declaration:someDeclGroupSyntax,
 conformingTo protocols:[TypeSyntax],
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
guardlet decl = declaration.asProtocol(NamedDeclSyntax.self)else{
return[]
}
return["@objc public func member_\(raw: decl.name.text)() {}"]
}
}

structObjCPeerFuncMacro:PeerMacro{
staticfunc expansion(
 of node:AttributeSyntax,
 providingPeersOf declaration:someDeclSyntaxProtocol,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
guardlet decl = declaration.asProtocol(NamedDeclSyntax.self)else{
return[]
}
return["@objc public func peer_\(raw: decl.name.text)() {}"]
}
}

structObjCFreestandingFuncMacro:DeclarationMacro{
staticfunc expansion(
 of node:someFreestandingMacroExpansionSyntax,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
return["@objc public func member_freestanding() {}"]
}
}

structObjCFreestandingClassMacro:DeclarationMacro{
staticfunc expansion(
 of node:someFreestandingMacroExpansionSyntax,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
return["""
 @objc public class MacroExpandedObjCClass: NSObject {
 @objc public func member() {}
 }
"""]
}
}

structCDeclFreestandingFuncMacro:DeclarationMacro{
staticfunc expansion(
 of node:someFreestandingMacroExpansionSyntax,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
return[#"@_cdecl("c_freestanding") public func cFreestanding() {}"#]
}
}

structObjCExtensionMacro:ExtensionMacro{
staticfunc expansion(
 of node:AttributeSyntax,
 attachedTo declaration:someDeclGroupSyntax,
 providingExtensionsOf type:someTypeSyntaxProtocol,
 conformingTo protocols:[TypeSyntax],
 in context:someMacroExpansionContext
)throws->[ExtensionDeclSyntax]{
letdecl:DeclSyntax="""
 extension \(type): MyObjCProtocol {
 public func objcRequirement() {}
 }
"""
return[decl.as(ExtensionDeclSyntax.self)!]
}
}

structMemberFuncMacro:MemberMacro{
staticfunc expansion(
 of node:AttributeSyntax,
 providingMembersOf declaration:someDeclGroupSyntax,
 conformingTo protocols:[TypeSyntax],
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
guardlet decl = declaration.asProtocol(NamedDeclSyntax.self)else{
return[]
}
return["public func member_\(raw: decl.name.text)() {}"]
}
}

structPeerFuncMacro:PeerMacro{
staticfunc expansion(
 of node:AttributeSyntax,
 providingPeersOf declaration:someDeclSyntaxProtocol,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
guardlet decl = declaration.asProtocol(NamedDeclSyntax.self)else{
return[]
}
return["public func peer_\(raw: decl.name.text)() {}"]
}
}

structCxxFreestandingFuncMacro:DeclarationMacro{
staticfunc expansion(
 of node:someFreestandingMacroExpansionSyntax,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
return["public func cxxFreestanding() {}"]
}
}

structCxxFreestandingStructMacro:DeclarationMacro{
staticfunc expansion(
 of node:someFreestandingMacroExpansionSyntax,
 in context:someMacroExpansionContext
)throws->[DeclSyntax]{
return["""
 public struct MacroExpandedStruct {
 private let x: Int = 0
 public func member() {}
 }
"""]
}
}