Support for swiftcrossimport folders (#1317)

* Naive support for swiftcrossimport

* Update SourceGenerator.swift

* Add changelog entry

* Update CHANGELOG.md

* Add test fixture

* Check-in generated diffs

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Changed
 
 - Renamed build phase `Embed App Extensions` to `Embed Foundation Extensions` to fix Xcode 14 warning #1310 @casperriboe
+- Added support for `swiftcrossimport` folders. #1317 @Iron-Ham
 
 ### Fixed
 

Sources/XcodeGenKit/SourceGenerator.swift

@@ -279,6 +279,13 @@ class SourceGenerator {
                     subpath: "include/$(PRODUCT_NAME)",
                     phaseOrder: .preCompile
                 ))
+            case "swiftcrossimport":
+                guard targetType == .framework else { return nil }
+                return .copyFiles(BuildPhaseSpec.CopyFilesSettings(
+                    destination: .productsDirectory,
+                    subpath: "$(PRODUCT_NAME).framework/Modules",
+                    phaseOrder: .preCompile
+                ))
             default:
                 return .resources
             }

Sources/XcodeGenKit/XCProjExtensions.swift

@@ -59,6 +59,8 @@ extension Xcode {
         // cases that aren't handled (yet) in XcodeProj.
         case ("appex", .extensionKitExtension):
             return "wrapper.extensionkit-extension"
+        case ("swiftcrossimport", _):
+            return "wrapper.swiftcrossimport"
         default:
             // fallback to XcodeProj defaults
             return Xcode.filetype(extension: fileExtension)

Tests/Fixtures/TestProject/CrossOverlayFramework/CrossOverlayFramework.swiftcrossimport/Framework.swiftoverlay

@@ -0,0 +1,5 @@
+%YAML 1.2
+---
+version: 1
+modules:
+  - name: _CrossOverlayFramework_Framework

Tests/Fixtures/TestProject/CrossOverlayFramework/FrameworkFile.swift

@@ -0,0 +1,6 @@
+import Foundation
+
+public struct FrameworkStruct {
+
+    public init() {}
+}

Tests/Fixtures/TestProject/CrossOverlayFramework/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.2</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>

Tests/Fixtures/TestProject/CrossOverlayFramework/MyFramework.h

@@ -0,0 +1,9 @@
+//
+//  MyFramework.h
+//  MyFramework
+//
+//  Created by Yonas Kolb on 21/7/17.
+//  Copyright © 2017 Yonas Kolb. All rights reserved.
+//
+
+

Tests/Fixtures/TestProject/project.yml

@@ -321,6 +321,14 @@ targets:
       - sdk: Platforms/iPhoneOS.platform/Developer/Library/Frameworks/XCTest.framework
         root: DEVELOPER_DIR
 
+  CrossOverlayFramework:
+    type: framework
+    platform: [iOS, tvOS, watchOS, macOS]
+    sources:
+      - path: CrossOverlayFramework
+        excludes:
+          - "*.xcodeproj"
+
   App_iOS_Tests:
     type: bundle.unit-test
     platform: iOS