Auto-generated Registration code integration cmake setup.

Author: panda-ptr

ReflectionTemplateLib/cmake/RTLIntegration.cmake

@@ -0,0 +1,106 @@
+# ========================
+# RTL Integration Helpers
+# ========================
+
+# --------------------------------------------------
+# Attach generated registration sources to a target
+# --------------------------------------------------
+function(rtl_attach_registration TARGET REG_DIR)
+
+    # Validate registration directory exists
+    if(NOT EXISTS "${REG_DIR}")
+        message(FATAL_ERROR
+            "\nRTL ERROR: Registration directory not found:\n"
+            "  ${REG_DIR}\n"
+            "Make sure clang-mirror generated files exist.\n"
+        )
+    endif()
+
+    # Validate reg_src exists
+	# clang-mirror generates the files in the same folder.
+	# TODO: remove hard-coding.
+    if(NOT EXISTS "${REG_DIR}/reg_src")
+        message(FATAL_ERROR
+            "\nRTL ERROR: Registration source folder not found in:\n"
+            "  ${REG_DIR}\n"
+            "Make sure clang-mirror generated registration sources.\n"
+        )
+    endif()
+
+    # Collect generated sources
+    file(GLOB RTL_REG_SRCS
+        "${REG_DIR}/reg_src/*.cpp"
+    )
+
+    if(NOT RTL_REG_SRCS)
+        message(FATAL_ERROR
+            "\nRTL ERROR: No registration source files found in:\n"
+            "  ${REG_DIR}\n"
+        )
+    endif()
+
+    # Collect headers
+    file(GLOB RTL_REG_HDRS
+        "${REG_DIR}/*.h"
+    )
+
+    # Attach to target
+    target_sources(${TARGET} PRIVATE
+        ${RTL_REG_SRCS}
+        ${RTL_REG_HDRS}
+    )
+
+    target_include_directories(${TARGET} PRIVATE
+        "${REG_DIR}"
+    )
+
+    set_source_files_properties(${RTL_REG_SRCS}
+        PROPERTIES GENERATED TRUE
+    )
+
+    source_group("RTLRegistration" FILES
+        ${RTL_REG_SRCS}
+        ${RTL_REG_HDRS}
+    )
+
+    message(STATUS
+        "RTL: Registration attached from ${REG_DIR}"
+    )
+
+endfunction()
+
+# -------------------
+# Public entry point
+# -------------------
+function(rtl_enable TARGET)
+
+    if(NOT TARGET ${TARGET})
+        message(FATAL_ERROR
+            "RTL ERROR: Target '${TARGET}' does not exist"
+        )
+    endif()
+
+    target_link_libraries(${TARGET}
+        PRIVATE RTL::ReflectionTemplateLib
+    )
+
+    get_target_property(TARGET_SOURCE_DIR ${TARGET} SOURCE_DIR)
+
+    if(NOT TARGET_SOURCE_DIR)
+        message(FATAL_ERROR
+            "RTL ERROR: Could not determine source directory for '${TARGET}'"
+        )
+    endif()
+
+    # Define folder name locally, hard-coded for now.
+	# clang-mirror generates the files in the same folder.
+	# TODO: remove hard-coding.
+    set(RTL_REGISTRATION_FOLDER "RTLRegistration")
+
+    set(REG_DIR
+        "${TARGET_SOURCE_DIR}/${RTL_REGISTRATION_FOLDER}"
+    )
+
+    rtl_attach_registration(${TARGET} "${REG_DIR}")
+
+endfunction()