3_bidirectional_cxx_interop.patch

commit 6ac1a2feb7143a8bc0e57af5c8dc57cbbb05d85f
Author: Yoshimasa Niwa <niw@niw.at>
Date:   Fri Apr 19 22:14:55 2024 -0700

    wip

diff --git a/3_bidirectional_cxx_interop/include/fibonacci/fibonacci.h b/3_bidirectional_cxx_interop/include/fibonacci/fibonacci.h
index 911e7d7..ed3f909 100644
--- a/3_bidirectional_cxx_interop/include/fibonacci/fibonacci.h
+++ b/3_bidirectional_cxx_interop/include/fibonacci/fibonacci.h
@@ -9,9 +9,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef FIBONACCI_FIBONACCI_H
-#define FIBONACCI_FIBONACCI_H
+#ifndef FIBONACCICPP_FIBONACCI_H
+#define FIBONACCICPP_FIBONACCI_H
 
 int fibonacci_cpp(int x);
 
-#endif // FIBONACCI_FIBONACCI_H
+#endif // FIBONACCICPP_FIBONACCI_H
diff --git a/3_bidirectional_cxx_interop/include/fibonacci/module.modulemap b/3_bidirectional_cxx_interop/include/fibonacci/module.modulemap
index 6d39a19..2ae0142 100644
--- a/3_bidirectional_cxx_interop/include/fibonacci/module.modulemap
+++ b/3_bidirectional_cxx_interop/include/fibonacci/module.modulemap
@@ -1,3 +1,3 @@
-module Fibonacci {
+module FibonacciCpp {
   header "fibonacci.h"
 }
diff --git a/3_bidirectional_cxx_interop/lib/fibonacci/CMakeLists.txt b/3_bidirectional_cxx_interop/lib/fibonacci/CMakeLists.txt
index ab9842d..69587df 100644
--- a/3_bidirectional_cxx_interop/lib/fibonacci/CMakeLists.txt
+++ b/3_bidirectional_cxx_interop/lib/fibonacci/CMakeLists.txt
@@ -15,7 +15,7 @@
 #                                   generated header path)
 _swift_generate_cxx_header_target(
   fibonacci_swift_h
-  SwiftFibonacci
+  Fibonacci
   "${CMAKE_CURRENT_BINARY_DIR}/include/fibonacci/fibonacci-swift.h"
   SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/fibonacci.swift"
   SEARCH_PATHS "${PINGPONG_INCLUDE_DIR}")
@@ -34,9 +34,8 @@ _swift_generate_cxx_header_target(
 #    flag is propagated to users of the library. Emitting the flag is gated by
 #    the COMPILE_LANGUAGE cmake generator expression to ensure that the flag is
 #    only passed to the Swift compiler and not the C++ compiler.
-add_library(fibonacci STATIC fibonacci.swift fibonacci.cpp)
-add_dependencies(fibonacci fibonacci_swift_h)
-target_include_directories(fibonacci PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/include")
-set_target_properties(fibonacci PROPERTIES Swift_MODULE_NAME "SwiftFibonacci")
-target_compile_options(fibonacci PUBLIC
+add_library(Fibonacci STATIC fibonacci.swift fibonacci.cpp)
+add_dependencies(Fibonacci fibonacci_swift_h)
+target_include_directories(Fibonacci PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/include")
+target_compile_options(Fibonacci PUBLIC
   "$<$<COMPILE_LANGUAGE:Swift>:-cxx-interoperability-mode=default>")
diff --git a/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.cpp b/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.cpp
index d915589..7364d92 100644
--- a/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.cpp
+++ b/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.cpp
@@ -15,5 +15,5 @@
 int fibonacci_cpp(int x) {
   std::cout << "x [cpp]: " << x << std::endl;
   if (x <= 1) return 1;
-  return SwiftFibonacci::fibonacciSwift(x - 1) + SwiftFibonacci::fibonacciSwift(x - 2);
+  return Fibonacci::fibonacciSwift(x - 1) + Fibonacci::fibonacciSwift(x - 2);
 }
diff --git a/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.swift b/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.swift
index 449794e..d84f038 100644
--- a/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.swift
+++ b/3_bidirectional_cxx_interop/lib/fibonacci/fibonacci.swift
@@ -9,7 +9,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-import Fibonacci
+import FibonacciCpp
+import SwiftUI
 
 public func fibonacciSwift(_ x: CInt) -> CInt {
   print("x [swift]: \(x)")
@@ -18,3 +19,26 @@ public func fibonacciSwift(_ x: CInt) -> CInt {
   }
   return fibonacci_cpp(x - 1) + fibonacci_cpp(x - 2)
 }
+
+public func run() {
+    FibonacciApp.main()
+}
+
+struct FibonacciApp: App {
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}
+
+struct ContentView: View {
+    var body: some View {
+        VStack {
+            Text("Fibonacci")
+                .padding()
+            Text("Fibonacci(5) = \(fibonacci_cpp(5))")
+                .padding()
+        }
+    }
+}
diff --git a/3_bidirectional_cxx_interop/src/CMakeLists.txt b/3_bidirectional_cxx_interop/src/CMakeLists.txt
index 42c68ec..e5734d4 100644
--- a/3_bidirectional_cxx_interop/src/CMakeLists.txt
+++ b/3_bidirectional_cxx_interop/src/CMakeLists.txt
@@ -6,7 +6,7 @@
 # See https://swift.org/LICENSE.txt for license information
 
 add_executable(fibonacci_swift fibonacci.swift)
-target_link_libraries(fibonacci_swift PRIVATE fibonacci)
+target_link_libraries(fibonacci_swift PRIVATE Fibonacci)
 
 add_executable(fibonacci_cpp fibonacci.cpp)
-target_link_libraries(fibonacci_cpp PRIVATE fibonacci)
+target_link_libraries(fibonacci_cpp PRIVATE Fibonacci)
diff --git a/3_bidirectional_cxx_interop/src/fibonacci.cpp b/3_bidirectional_cxx_interop/src/fibonacci.cpp
index 2be7f1a..926b11d 100644
--- a/3_bidirectional_cxx_interop/src/fibonacci.cpp
+++ b/3_bidirectional_cxx_interop/src/fibonacci.cpp
@@ -13,6 +13,6 @@
 #include <iostream>
 
 int main(int argc, char ** argv) {
-  std::cout << SwiftFibonacci::fibonacciSwift(5) << std::endl;
+  Fibonacci::run();
   return 0;
 }