Merge pull request #6435 from Arthapz/fix-namespaced-module-dep

(C++ modules support) fix _patch_sourcebatch when target and deps is in the same namespace

Author: waruqi

tests/projects/c++/modules/namespace/src/hello.mpp

@@ -0,0 +1,14 @@
+export module hello;
+
+export namespace hello {
+    extern int data__;
+    void say_hello();
+
+    class say {
+    public:
+        say(int data);
+        void hello();
+    private:
+        int data_;
+    };
+}

tests/projects/c++/modules/namespace/src/hello_impl.cpp

@@ -0,0 +1,23 @@
+module;
+#include <iostream>
+
+module hello;
+import mod;
+
+void inner() {
+    std::cout << "hello world! data: "
+              << mod::foo() << std::endl;
+}
+
+namespace hello {
+    int data__;
+    void say_hello() { ::inner(); }
+
+    say::say(int data) : data_{data} {
+    }
+
+    void say::hello() {
+        hello::data__ = data_;
+        ::inner();
+    }
+}

tests/projects/c++/modules/namespace/src/main.cpp

@@ -0,0 +1,9 @@
+import hello;
+
+int main() {
+    hello::data__ = 123;
+    hello::say_hello();
+    hello::say(sizeof(hello::say)).hello();
+    return 0;
+}
+

tests/projects/c++/modules/namespace/src/mod.mpp

@@ -0,0 +1,5 @@
+export module mod;
+
+export namespace mod {
+    int foo();
+}

tests/projects/c++/modules/namespace/src/mod_impl.cpp

@@ -0,0 +1,8 @@
+module mod;
+import hello;
+
+namespace mod {
+    int foo() {
+        return hello::data__;
+    }
+}

tests/projects/c++/modules/namespace/test.lua

@@ -0,0 +1 @@
+inherit(".test_base")

tests/projects/c++/modules/namespace/xmake.lua

@@ -0,0 +1,15 @@
+add_rules("mode.release", "mode.debug")
+set_languages("c++20")
+
+namespace("foo", function()
+    target("dep")
+        set_kind("static")
+        add_files("src/hello.mpp", "src/mod.mpp", {public = true})
+        add_files("src/hello_impl.cpp", "src/mod_impl.cpp")
+
+    target("binary")
+        set_kind("binary")
+        add_files("src/main.cpp")
+        add_deps("dep")
+end)
+

tests/projects/c++/modules/namespace2/src/hello.mpp

@@ -0,0 +1,14 @@
+export module hello;
+
+export namespace hello {
+    extern int data__;
+    void say_hello();
+
+    class say {
+    public:
+        say(int data);
+        void hello();
+    private:
+        int data_;
+    };
+}

tests/projects/c++/modules/namespace2/src/hello_impl.cpp

@@ -0,0 +1,23 @@
+module;
+#include <iostream>
+
+module hello;
+import mod;
+
+void inner() {
+    std::cout << "hello world! data: "
+              << mod::foo() << std::endl;
+}
+
+namespace hello {
+    int data__;
+    void say_hello() { ::inner(); }
+
+    say::say(int data) : data_{data} {
+    }
+
+    void say::hello() {
+        hello::data__ = data_;
+        ::inner();
+    }
+}

tests/projects/c++/modules/namespace2/src/main.cpp

@@ -0,0 +1,9 @@
+import hello;
+
+int main() {
+    hello::data__ = 123;
+    hello::say_hello();
+    hello::say(sizeof(hello::say)).hello();
+    return 0;
+}
+