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/// Point to the most relevant import relative to the target decl.
// RUN: %empty-directory(%t)
// RUN: split-file --leading-lines %s %t
/// Build the Swift libraries.
// RUN: %target-swift-frontend -emit-module %t/SwiftPublicNameCore.swift -o %t \
// RUN: -public-module-name SwiftPublicName
// RUN: %target-swift-frontend -emit-module %t/SwiftPublicName.swift -o %t -I %t
// RUN: %target-swift-frontend -emit-module %t/MixedDep.swift -o %t -I %t
/// Client testing order between indirect imports of the same priority.
// RUN: %target-swift-frontend -typecheck -I %t \
// RUN: %t/OrderClient_FileA.swift %t/OrderClient_FileB.swift \
// RUN: -enable-upcoming-feature InternalImportsByDefault \
// RUN: -Rmodule-api-import -verify
/// Client testing order of preference for more levels of imports.
// RUN: %target-swift-frontend -typecheck -I %t \
// RUN: %t/ExportedClient_FileExported.swift %t/ExportedClient_FileA.swift \
// RUN: %t/ExportedClient_FileB.swift %t/ExportedClient_FileC.swift \
// RUN: %t/ExportedClient_FileD_via_underlying.swift \
// RUN: -import-underlying-module -module-name ExportedClient \
// RUN: -enable-upcoming-feature InternalImportsByDefault \
// RUN: -Rmodule-api-import -verify
// Same without the underlying clang module.
// RUN: %target-swift-frontend -typecheck -I %t \
// RUN: %t/ExportedClient_FileExported.swift %t/ExportedClient_FileA.swift \
// RUN: %t/ExportedClient_FileB.swift %t/ExportedClient_FileC.swift \
// RUN: %t/ExportedClient_FileD_via_exported.swift \
// RUN: -module-name ExportedClient \
// RUN: -enable-upcoming-feature InternalImportsByDefault \
// RUN: -Rmodule-api-import -verify
/// Client testing -public-module-name ordering.
// RUN: %target-swift-frontend -typecheck -I %t \
// RUN: %t/SwiftLibClient_FileA.swift %t/SwiftLibClient_FileB.swift \
// RUN: -enable-upcoming-feature InternalImportsByDefault \
// RUN: -Rmodule-api-import -verify
/// Client testing import of the overlay vs an unrelated module.
// RUN: %target-swift-frontend -typecheck -I %t \
// RUN: %t/OverlayClient_FileA.swift %t/OverlayClient_FileB.swift \
// RUN: -enable-upcoming-feature InternalImportsByDefault \
// RUN: -Rmodule-api-import -verify
// REQUIRES: swift_feature_InternalImportsByDefault
//--- module.modulemap
module FarClangDep {
header "FarClangDep.h"
}
module MixedDep {
export *
header "MixedDep.h"
}
module IndirectClangDepA {
export *
header "IndirectClangDepA.h"
}
module IndirectClangDepB {
export *
header "IndirectClangDepB.h"
}
module LibCore {
export *
export_as Lib
header "LibCore.h"
}
module Lib {
export *
header "Lib.h"
}
module NotLib {
export *
header "NotLib.h"
}
module ExportedClient {
export *
header "ExportedClient.h"
}
//--- FarClangDep.h
struct FarClangType{};
//--- MixedDep.h
struct UnderlyingType{};
//--- IndirectClangDepA.h
#include <FarClangDep.h>
#include <MixedDep.h>
//--- IndirectClangDepB.h
#include <FarClangDep.h>
#include <MixedDep.h>
//--- LibCore.h
struct ExportedType {};
//--- Lib.h
#include <LibCore.h>
//--- NotLib.h
#include <LibCore.h>
//--- ExportedClient.h
#include <LibCore.h>
//--- SwiftPublicNameCore.swift
public struct SwiftStruct {}
//--- SwiftPublicName.swift
@_exported import SwiftPublicNameCore
//--- MixedDep.swift
@_exported import MixedDep
//--- OrderClient_FileA.swift
/// Between indirect imports, prefer the first one.
public import IndirectClangDepA
public import IndirectClangDepB // expected-warning {{public import of 'IndirectClangDepB' was not used in public declarations or inlinable code}}
public func useTypesB(a: FarClangType) {}
// expected-remark @-1 {{struct 'FarClangType' is imported via 'IndirectClangDepA', which reexports definition from 'FarClangDep'}}
//--- OrderClient_FileB.swift
/// Still prefer the first one after changing the order.
public import IndirectClangDepB
public import IndirectClangDepA // expected-warning {{public import of 'IndirectClangDepA' was not used in public declarations or inlinable code}}
public func useTypesC(a: FarClangType) {}
// expected-remark @-1 {{struct 'FarClangType' is imported via 'IndirectClangDepB', which reexports definition from 'FarClangDep'}}
//--- ExportedClient_FileExported.swift
@_exported public import ExportedClient
//--- ExportedClient_FileA.swift
/// Prefer the defining module.
public import NotLib // expected-warning {{public import of 'NotLib' was not used in public declarations or inlinable code}}
public import LibCore // We should warn here.
public import Lib
public func useTypesA(a: ExportedType) {}
// expected-remark @-1 {{struct 'ExportedType' is imported via 'Lib', which reexports definition from 'LibCore'}}
//--- ExportedClient_FileB.swift
/// Then prefer the export_as module.
public import NotLib // expected-warning {{public import of 'NotLib' was not used in public declarations or inlinable code}}
public import Lib
public func useTypesB(a: ExportedType) {}
// expected-remark @-1 {{struct 'ExportedType' is imported via 'Lib'}}
//--- ExportedClient_FileC.swift
/// Then prefer any local import.
public import NotLib
public func useTypesC(a: ExportedType) {}
// expected-remark @-1 {{struct 'ExportedType' is imported via 'NotLib', which reexports definition from 'LibCore'}}
//--- ExportedClient_FileD_via_underlying.swift
/// Then use the import of the underling clang module.
public func useTypesD(a: ExportedType) {}
// expected-remark @-1 {{struct 'ExportedType' is imported via 'ExportedClient', which reexports definition from 'LibCore'}}
//--- ExportedClient_FileD_via_exported.swift
/// Finally use the @_exported import from the local module.
public func useTypesD(a: ExportedType) {}
// It would be nice to have a remark even without an import to point to.
//--- SwiftLibClient_FileA.swift
/// Prefer the import matching public-module-name.
public import SwiftPublicNameCore // We should warn here.
public import SwiftPublicName
public func useTypesA(a: SwiftStruct) {}
// expected-remark @-1 {{struct 'SwiftStruct' is imported via 'SwiftPublicName', which reexports definition from 'SwiftPublicName'}}
//--- SwiftLibClient_FileB.swift
/// Fallback on read definition site.
public import SwiftPublicNameCore
public func useTypesB(a: SwiftStruct) {}
// expected-remark @-1 {{struct 'SwiftStruct' is imported via 'SwiftPublicName'}}
//--- OverlayClient_FileA.swift
/// Prefer a Swift overlay to an unrelated 3rd module.
public import IndirectClangDepA // expected-warning {{public import of 'IndirectClangDepA' was not used in public declarations or inlinable code}}
public import MixedDep
public func useTypesA(a: UnderlyingType) {}
// expected-remark @-1 {{struct 'UnderlyingType' is imported via 'MixedDep', which reexports definition from 'MixedDep'}}
//--- OverlayClient_FileB.swift
/// Fallback on any reexporter.
public import IndirectClangDepA
public func useTypesB(a: UnderlyingType) {}
// expected-remark @-1 {{struct 'UnderlyingType' is imported via 'IndirectClangDepA', which reexports definition from 'MixedDep'}}
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