Merge pull request #298 from rxbryan/metacall-refactor1

add core plugin for cli-refactor

source/cli/CMakeLists.txt

@@ -6,3 +6,4 @@ endif()
 
 # CLI applications
 add_subdirectory(metacallcli)
+add_subdirectory(plugins)

source/cli/plugins/CMakeLists.txt

@@ -0,0 +1,13 @@
+#Check if extension loader is enabled
+if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_EXT OR NOT OPTION_BUILD_EXTENSIONS)
+	return()
+endif()
+
+# Extension sub-projects
+add_subdirectory(core_plugin)
+
+#Install plugin directory
+install(DIRECTORY ${PROJECT_OUTPUT_DIR}/plugins
+	DESTINATION ${INSTALL_LIB}
+	PATTERN "test[-_]*" EXCLUDE
+)

source/cli/plugins/core_plugin/CMakeLists.txt

@@ -0,0 +1,212 @@
+# Check if this loader is enabled
+if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_EXT OR NOT OPTION_BUILD_EXTENSIONS OR NOT OPTION_BUILD_EXTENSIONS_LOAD)
+	return()
+endif()
+
+#
+# Plugin name and options
+#
+
+# Target name
+set(target core_plugin)
+
+# Exit here if required dependencies are not met
+message(STATUS "Plugin ${target}")
+
+# Set API export file and macro
+string(TOUPPER ${target} target_upper)
+set(feature_file "include/${target}/${target}_features.h")
+set(export_file  "include/${target}/${target}_api.h")
+set(export_macro "${target_upper}_API")
+
+#
+# Compiler warnings
+#
+
+include(Warnings)
+
+#
+# Compiler security
+#
+
+include(SecurityFlags)
+
+#
+# Sources
+#
+
+set(include_path "${CMAKE_CURRENT_SOURCE_DIR}/include/${target}")
+set(source_path  "${CMAKE_CURRENT_SOURCE_DIR}/source")
+
+set(headers
+	${include_path}/core_plugin.h
+)
+
+set(sources
+	${source_path}/core_plugin.cpp
+)
+
+# Group source files
+set(header_group "Header Files (API)")
+set(source_group "Source Files")
+source_group_by_path(${include_path} "\\\\.h$|\\\\.hpp$"
+	${header_group} ${headers})
+source_group_by_path(${source_path}  "\\\\.cpp$|\\\\.c$|\\\\.h$|\\\\.hpp$"
+	${source_group} ${sources})
+
+#
+# Create library
+#
+
+# Build library
+add_library(${target} MODULE
+	${sources}
+	${headers}
+)
+
+# Create namespaced alias
+add_library(${META_PROJECT_NAME}::${target} ALIAS ${target})
+
+# Export library for downstream projects
+export(TARGETS ${target} NAMESPACE ${META_PROJECT_NAME}:: FILE ${PROJECT_BINARY_DIR}/cmake/${target}/${target}-export.cmake)
+
+# Create feature detection header
+# Compilers: https://cmake.org/cmake/help/v3.1/variable/CMAKE_LANG_COMPILER_ID.html#variable:CMAKE_%3CLANG%3E_COMPILER_ID
+# Feature: https://cmake.org/cmake/help/v3.1/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html
+
+# Check for availability of module; use pre-generated version if not found
+if (WriterCompilerDetectionHeaderFound)
+	write_compiler_detection_header(
+		FILE ${feature_file}
+		PREFIX ${target_upper}
+		COMPILERS AppleClang Clang GNU MSVC
+		FEATURES cxx_alignas cxx_alignof cxx_constexpr cxx_final cxx_noexcept cxx_nullptr cxx_sizeof_member cxx_thread_local
+		VERSION 3.2
+	)
+else()
+	file(
+		COPY ${PROJECT_SOURCE_DIR}/codegeneration/${target}_features.h
+		DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/include/${target}
+		USE_SOURCE_PERMISSIONS
+	)
+endif()
+
+# Create API export header
+generate_export_header(${target}
+	EXPORT_FILE_NAME  ${export_file}
+	EXPORT_MACRO_NAME ${export_macro}
+)
+
+#
+# Project options
+#
+
+set_target_properties(${target}
+	PROPERTIES
+	${DEFAULT_PROJECT_OPTIONS}
+	FOLDER "${IDE_FOLDER}"
+	BUNDLE $<$<BOOL:${APPLE}>:$<$<VERSION_GREATER:${PROJECT_OS_VERSION},8>>>
+)
+
+#
+# Include directories
+#
+
+target_include_directories(${target}
+	PRIVATE
+	${PROJECT_BINARY_DIR}/source/include
+	${CMAKE_CURRENT_SOURCE_DIR}/include
+	${CMAKE_CURRENT_BINARY_DIR}/include
+
+	$<TARGET_PROPERTY:${META_PROJECT_NAME}::metacall,INCLUDE_DIRECTORIES> # MetaCall includes
+
+	PUBLIC
+	${DEFAULT_INCLUDE_DIRECTORIES}
+
+	INTERFACE
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
+	$<INSTALL_INTERFACE:include>
+)
+
+#
+# Libraries
+#
+
+target_link_libraries(${target}
+	PRIVATE
+	${META_PROJECT_NAME}::metacall # MetaCall library
+
+	PUBLIC
+	${DEFAULT_LIBRARIES}
+
+	INTERFACE
+)
+
+#
+# Compile definitions
+#
+
+target_compile_definitions(${target}
+	PRIVATE
+
+	PUBLIC
+	$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:${target_upper}_STATIC_DEFINE>
+	${DEFAULT_COMPILE_DEFINITIONS}
+
+	INTERFACE
+)
+
+#
+# Compile options
+#
+
+target_compile_options(${target}
+	PRIVATE
+
+	PUBLIC
+	${DEFAULT_COMPILE_OPTIONS}
+
+	INTERFACE
+)
+
+#
+# Linker options
+#
+
+target_link_libraries(${target}
+	PRIVATE
+
+	PUBLIC
+	${DEFAULT_LINKER_OPTIONS}
+
+	INTERFACE
+)
+
+
+#
+# Define dependencies
+#
+
+add_dependencies(${target}
+	plugin_extension
+)
+
+#
+# Deployment
+#
+
+#Copy metacall-*.json
+add_custom_target(${target}-create-plugin-dir ALL
+	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+	COMMAND ${CMAKE_COMMAND} -E make_directory ${PROJECT_OUTPUT_DIR}/plugins/core_plugin
+	COMMAND ${CMAKE_COMMAND} -E copy ${source_path}/metacall-core_plugin.json ${PROJECT_OUTPUT_DIR}/plugins/core_plugin
+)
+
+# Library
+install(TARGETS ${target}
+	EXPORT  "${target}-export"				COMPONENT dev
+	RUNTIME DESTINATION ${INSTALL_BIN}	COMPONENT runtime
+	LIBRARY DESTINATION ${INSTALL_SHARED}	COMPONENT runtime
+	ARCHIVE DESTINATION ${INSTALL_LIB}	COMPONENT dev
+)

source/cli/plugins/core_plugin/include/core_plugin/core_plugin.h

@@ -0,0 +1,20 @@
+#ifndef CORE_PLUGIN_H
+#define CORE_PLUGIN_H 1
+
+#include <core_plugin/core_plugin_api.h>
+
+#include <dynlink/dynlink.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+CORE_PLUGIN_API int core_plugin(void *loader, void *handle, void *context);
+
+DYNLINK_SYMBOL_EXPORT(core_plugin);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CORE_PLUGIN_H */