[rust] fix a crash bug at plugin initialization on win32 (#86)

* [rust] fix a crash bug at plugin initialization on win32

This bug causes in termcolor crate via env_logger crate due to stderr
is not present when console is not present. To resolve this, add
checking stderr is present using atty crate.

* [rust] bump all dependencies of plugin_wasm

* [rust] fix clippy warning

* [cmake] add NANOEM_ENABLE_PLUGIN_WASM option

CMakeLists.txt

@@ -35,6 +35,7 @@ option(NANOEM_ENABLE_TEST "Enable building unit test option." OFF)
 option(NANOEM_ENABLE_TSAN "Enable clang/gcc TSan (thread sanitizer) option." OFF)
 option(NANOEM_ENABLE_UBSAN "Enable clang/gcc UBSan (undefined behavior sanitizer) option." OFF)
 option(NANOEM_ENABLE_UPDATE_CREDITS "Enable updating credits per cmake execution." OFF)
+option(NANOEM_ENABLE_PLUGIN_WASM "Enable bundling release build of plugin_wasm" OFF)
 option(NANOEM_MINIMAL "Builds nanoem library only." OFF)
 option(SOKOL_ENABLE_DEBUG "Enable building sokol with debug validation layer." OFF)
 
@@ -350,6 +351,30 @@ set(NANOEM_SENTRY_AUTH_TOKEN "" CACHE STRING "Sentry authentication token")
 set(NANOEM_GA_TRACKING_ID "" CACHE STRING "Google Analytics Tracking ID")
 mark_as_advanced(NANOEM_SENTRY_DSN NANOEM_SENTRY_ORGANIZATION NANOEM_SENTRY_PROJECT NANOEM_SENTRY_AUTH_TOKEN NANOEM_GA_TRACKING_ID)
 
+if(NANOEM_ENABLE_PLUGIN_WASM)
+  if(WIN32)
+    set(_plugin_wasm_filename_src "plugin_wasm.dll")
+    set(_plugin_wasm_filename_dst "plugin_wasm.dll")
+  elseif(APPLE)
+    set(_plugin_wasm_filename_src "libplugin_wasm.dylib")
+    set(_plugin_wasm_filename_dst "plugin_wasm.dylib")
+  else()
+    set(_plugin_wasm_filename_src "libplugin_wasm.so")
+    set(_plugin_wasm_filename_dst "plugin_wasm.so")
+  endif()
+  set(PLUGIN_WASM_PATH "${PROJECT_SOURCE_DIR}/rust/target/release/${_plugin_wasm_filename_src}")
+  set(_output_path "${CMAKE_CURRENT_BINARY_DIR}/intermediate/${_plugin_wasm_filename_dst}")
+  add_custom_command(OUTPUT ${_output_path}
+                     COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${PLUGIN_WASM_PATH} ${_output_path}
+                     DEPENDS ${_output_path})
+  add_custom_target(plugin_wasm_copy SOURCES ${_output_path})
+  set_property(TARGET plugin_wasm_copy PROPERTY FOLDER plugins/touch)
+  add_library(plugin_wasm SHARED IMPORTED GLOBAL)
+  add_dependencies(plugin_wasm plugin_wasm_copy)
+  set_target_properties(plugin_wasm PROPERTIES IMPORTED_LOCATION ${_output_path})
+  list(APPEND _plugins plugin_wasm)
+endif()
+
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/docs)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/nanoem)
 if(NOT NANOEM_MINIMAL)

macos/CMakeLists.txt

@@ -93,7 +93,7 @@ if(NANOEM_ENABLE_STATIC_BUNDLE_PLUGIN)
   endif()
 else()
   foreach(_item ${_plugins})
-    set(touch_file "${CMAKE_CURRENT_BINARY_DIR}/${_item}.touch")
+    set(touch_file "${CMAKE_CURRENT_BINARY_DIR}/intermediate/${_item}.touch")
     add_custom_command(OUTPUT ${touch_file}
                        COMMAND ${CMAKE_COMMAND} ARGS -E touch ${touch_file}
                        COMMAND ${CMAKE_COMMAND} ARGS -E touch ${CMAKE_CURRENT_SOURCE_DIR}/main.mm