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b9810fb0a3
Pass back the original location (ie. where the macro was expanded, not the location that the generated code would be inserted) for cursor info and indexing. Also mark any declarations/references within generated source as implicit. Resolves rdar://107209132.
79 lines
2.7 KiB
Swift
79 lines
2.7 KiB
Swift
// REQUIRES: swift_swift_parser
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// TODO: This shouldn't be required
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// REQUIRES: OS=macosx
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// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/mods)
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// RUN: split-file --leading-lines %s %t
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// Check that indexing and cursor info both point to the expansion site rather
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// than generated macro buffer.
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// Create a plugin that adds a new function as a member
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// RUN: %target-build-swift -swift-version 5 -I %swift-host-lib-dir -L %swift-host-lib-dir -emit-library -o %t/%target-library-name(MacroPlugin) -module-name=MacroPlugin %t/MacroPlugin.swift -g -no-toolchain-stdlib-rpath
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// Prepare a test module that uses the macro in a struct
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// RUN: %target-swift-frontend -emit-module -emit-module-source-info -module-name TestModule -o %t/mods -load-plugin-library %t/%target-library-name(MacroPlugin) -I %swift-host-lib-dir %t/TestModule.swift -index-store-path %t/idx
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// Check we correctly output the added `newFunc` on the line of the attached
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// macro.
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// RUN: c-index-test core -print-record %t/idx | %FileCheck %s --check-prefix=INDEX
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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 AddNamedFuncMacro: MemberMacro {
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public static func expansion(
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of node: AttributeSyntax,
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providingMembersOf declaration: some DeclGroupSyntax,
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in context: some MacroExpansionContext
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) throws -> [DeclSyntax] {
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let newFunc: DeclSyntax =
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"""
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public func newFunc() {}
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"""
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return [
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newFunc,
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]
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}
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}
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//--- TestModule.swift
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@attached(
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member,
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names: named(newFunc)
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)
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public macro AddNamedFunc() = #externalMacro(module: "MacroPlugin", type: "AddNamedFuncMacro")
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// INDEX: [[@LINE+2]]:1 | instance-method/Swift | s:10TestModule9ModStructV7newFuncyyF
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// INDEX-SAME: Def,Impl
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@AddNamedFunc
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// MOD_CURSOR: source.lang.swift.ref.function.method.instance
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// MOD_CURSOR-SAME: TestModule.swift:[[@LINE-2]]:1
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// MOD_CURSOR: newFunc()
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public struct ModStruct {
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public func existingFunc() {}
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}
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//--- test.swift
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import TestModule
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@AddNamedFunc
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// LOCAL_CURSOR: source.lang.swift.ref.function.method.instance
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// LOCAL_CURSOR-SAME: [[@LINE-2]]:1
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// LOCAL_CURSOR: newFunc()
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public struct LocalStruct {
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public func existingFunc() {}
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}
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// Check the location in cursor info is the attached macro.
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func test(l: LocalStruct, m: ModStruct) {
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// RUN: %sourcekitd-test -req=cursor -pos=%(line+1):5 %t/test.swift -- -I %t/mods -load-plugin-library %t/%target-library-name(MacroPlugin) -I %swift-host-lib-dir %t/test.swift | %FileCheck %s --check-prefix=LOCAL_CURSOR
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l.newFunc()
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// RUN: %sourcekitd-test -req=cursor -pos=%(line+1):5 %t/test.swift -- -I %t/mods %t/test.swift | %FileCheck %s --check-prefix=MOD_CURSOR
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m.newFunc()
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}
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