// // Copyright (c) 2014-2015, THUNDERBEAST GAMES LLC All rights reserved // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. // #include #include "JSPlugin.h" #include "JSPluginExports.h" #include "JSVM.h" #include namespace Atomic { typedef bool(*atomic_plugin_validate_function)(int version, void *jsvmImports, size_t jsvmImportsSize); static void jsplugin_bind_jsvmexports(); static JSVMImports gJSVMExports; static bool jsplugin_get_entry_points(const String& pluginLibrary, atomic_plugin_validate_function* fvalidate, duk_c_function* finit, String& errorMsg) { *fvalidate = NULL; *finit = NULL; // TODO: cache and use SDL_UnloadObject (when no longer needed) void* handle = SDL_LoadObject(pluginLibrary.CString()); if (handle == NULL) { errorMsg = ToString("Native Plugin: Unable to load %s with error %s", pluginLibrary.CString(), SDL_GetError()); return false; } *fvalidate = (atomic_plugin_validate_function) SDL_LoadFunction(handle, "atomic_plugin_validate"); if (!*fvalidate) { errorMsg = ToString("Native Plugin: Unable to get atomic_plugin_validate entry point in %s", pluginLibrary.CString()); return false; } *finit = (duk_c_function) SDL_LoadFunction(handle, "atomic_plugin_init"); if (!*finit) { ATOMIC_LOGERRORF("Native Plugin: Unable to get atomic_plugin_init entry point in %s", pluginLibrary.CString()); return false; } return true; } bool jsplugin_load(JSVM* vm, const String& pluginLibrary) { String errorMsg; atomic_plugin_validate_function validatefunc; duk_c_function initfunc; duk_context* ctx = vm->GetJSContext(); ATOMIC_LOGINFOF("Loading Native Plugin: %s", pluginLibrary.CString()); if (!jsplugin_get_entry_points(pluginLibrary, &validatefunc, &initfunc, errorMsg)) { ATOMIC_LOGERRORF("%s", errorMsg.CString()); return false; } int version = ATOMIC_JSPLUGIN_VERSION; if (!validatefunc(version, &gJSVMExports, sizeof(JSVMImports))) { ATOMIC_LOGERRORF("Native Plugin: atomic_plugin_validate failed: %s", pluginLibrary.CString()); return false; } // just to verify that we're not doing anything funky with the stack int top = duk_get_top(ctx); // the import function is a standard duktape c function, neat duk_push_c_function(ctx, initfunc, 1); // requires exports to be at index 2 duk_dup(ctx, 2); bool success = true; if (duk_pcall(ctx, 1) != DUK_EXEC_SUCCESS) { success = false; ATOMIC_LOGERRORF("Native Plugin: error calling atomic_plugin_init %s with error %s", pluginLibrary.CString(), duk_safe_to_string(ctx, -1)); } else { if (!duk_is_boolean(ctx, -1) || !duk_to_boolean(ctx, -1)) { success = false; ATOMIC_LOGERRORF("Native Plugin: error calling atomic_plugin_init, didn't return true %s", pluginLibrary.CString()); } } duk_pop(ctx); assert(top == duk_get_top(ctx)); return success; } void js_init_jsplugin(JSVM* vm) { // bind the public Duktape API for export to plugins jsplugin_bind_jsvmexports(); } void jsplugin_bind_jsvmexports() { gJSVMExports.duk_create_heap = duk_create_heap; gJSVMExports.duk_destroy_heap = duk_destroy_heap; gJSVMExports.duk_alloc_raw = duk_alloc_raw; gJSVMExports.duk_free_raw = duk_free_raw; gJSVMExports.duk_realloc_raw = duk_realloc_raw; gJSVMExports.duk_alloc = duk_alloc; gJSVMExports.duk_free = duk_free; gJSVMExports.duk_realloc = duk_realloc; gJSVMExports.duk_get_memory_functions = duk_get_memory_functions; gJSVMExports.duk_gc = duk_gc; gJSVMExports.duk_throw_raw = duk_throw_raw; gJSVMExports.duk_fatal_raw = duk_fatal_raw; gJSVMExports.duk_error_raw = duk_error_raw; gJSVMExports.duk_error_va_raw = duk_error_va_raw; gJSVMExports.duk_is_strict_call = duk_is_strict_call; gJSVMExports.duk_is_constructor_call = duk_is_constructor_call; gJSVMExports.duk_normalize_index = duk_normalize_index; gJSVMExports.duk_require_normalize_index = duk_require_normalize_index; gJSVMExports.duk_is_valid_index = duk_is_valid_index; gJSVMExports.duk_require_valid_index = duk_require_valid_index; gJSVMExports.duk_get_top = duk_get_top; gJSVMExports.duk_set_top = duk_set_top; gJSVMExports.duk_get_top_index = duk_get_top_index; gJSVMExports.duk_require_top_index = duk_require_top_index; gJSVMExports.duk_check_stack = duk_check_stack; gJSVMExports.duk_require_stack = duk_require_stack; gJSVMExports.duk_check_stack_top = duk_check_stack_top; gJSVMExports.duk_require_stack_top = duk_require_stack_top; gJSVMExports.duk_swap = duk_swap; gJSVMExports.duk_swap_top = duk_swap_top; gJSVMExports.duk_dup = duk_dup; gJSVMExports.duk_dup_top = duk_dup_top; gJSVMExports.duk_insert = duk_insert; gJSVMExports.duk_replace = duk_replace; gJSVMExports.duk_copy = duk_copy; gJSVMExports.duk_remove = duk_remove; gJSVMExports.duk_xcopymove_raw = duk_xcopymove_raw; gJSVMExports.duk_push_undefined = duk_push_undefined; gJSVMExports.duk_push_null = duk_push_null; gJSVMExports.duk_push_boolean = duk_push_boolean; gJSVMExports.duk_push_true = duk_push_true; gJSVMExports.duk_push_false = duk_push_false; gJSVMExports.duk_push_number = duk_push_number; gJSVMExports.duk_push_nan = duk_push_nan; gJSVMExports.duk_push_int = duk_push_int; gJSVMExports.duk_push_uint = duk_push_uint; gJSVMExports.duk_push_string = duk_push_string; gJSVMExports.duk_push_lstring = duk_push_lstring; gJSVMExports.duk_push_pointer = duk_push_pointer; gJSVMExports.duk_push_sprintf = duk_push_sprintf; gJSVMExports.duk_push_vsprintf = duk_push_vsprintf; //gJSVMExports.duk_push_string_file_raw = duk_push_string_file_raw; gJSVMExports.duk_push_this = duk_push_this; gJSVMExports.duk_push_current_function = duk_push_current_function; gJSVMExports.duk_push_current_thread = duk_push_current_thread; gJSVMExports.duk_push_global_object = duk_push_global_object; gJSVMExports.duk_push_heap_stash = duk_push_heap_stash; gJSVMExports.duk_push_global_stash = duk_push_global_stash; gJSVMExports.duk_push_thread_stash = duk_push_thread_stash; gJSVMExports.duk_push_object = duk_push_object; gJSVMExports.duk_push_array = duk_push_array; gJSVMExports.duk_push_c_function = duk_push_c_function; gJSVMExports.duk_push_c_lightfunc = duk_push_c_lightfunc; gJSVMExports.duk_push_thread_raw = duk_push_thread_raw; gJSVMExports.duk_push_error_object_raw = duk_push_error_object_raw; gJSVMExports.duk_push_error_object_va_raw = duk_push_error_object_va_raw; gJSVMExports.duk_push_buffer_raw = duk_push_buffer_raw; gJSVMExports.duk_push_heapptr = duk_push_heapptr; gJSVMExports.duk_pop = duk_pop; gJSVMExports.duk_pop_n = duk_pop_n; gJSVMExports.duk_pop_2 = duk_pop_2; gJSVMExports.duk_pop_3 = duk_pop_3; gJSVMExports.duk_get_type = duk_get_type; gJSVMExports.duk_check_type = duk_check_type; gJSVMExports.duk_get_type_mask = duk_get_type_mask; gJSVMExports.duk_check_type_mask = duk_check_type_mask; gJSVMExports.duk_is_undefined = duk_is_undefined; gJSVMExports.duk_is_null = duk_is_null; //gJSVMExports.duk_is_null_or_undefined = duk_is_null_or_undefined; This is a macro in Duktape 2.0. gJSVMExports.duk_is_boolean = duk_is_boolean; gJSVMExports.duk_is_number = duk_is_number; gJSVMExports.duk_is_nan = duk_is_nan; gJSVMExports.duk_is_string = duk_is_string; gJSVMExports.duk_is_object = duk_is_object; gJSVMExports.duk_is_buffer = duk_is_buffer; gJSVMExports.duk_is_pointer = duk_is_pointer; gJSVMExports.duk_is_lightfunc = duk_is_lightfunc; gJSVMExports.duk_is_array = duk_is_array; gJSVMExports.duk_is_function = duk_is_function; gJSVMExports.duk_is_c_function = duk_is_c_function; gJSVMExports.duk_is_ecmascript_function = duk_is_ecmascript_function; gJSVMExports.duk_is_bound_function = duk_is_bound_function; gJSVMExports.duk_is_thread = duk_is_thread; //gJSVMExports.duk_is_callable = duk_is_callable; gJSVMExports.duk_is_dynamic_buffer = duk_is_dynamic_buffer; gJSVMExports.duk_is_fixed_buffer = duk_is_fixed_buffer; //gJSVMExports.duk_is_primitive = duk_is_primitive; gJSVMExports.duk_get_error_code = duk_get_error_code; gJSVMExports.duk_get_boolean = duk_get_boolean; gJSVMExports.duk_get_number = duk_get_number; gJSVMExports.duk_get_int = duk_get_int; gJSVMExports.duk_get_uint = duk_get_uint; gJSVMExports.duk_get_string = duk_get_string; gJSVMExports.duk_get_lstring = duk_get_lstring; gJSVMExports.duk_get_buffer = duk_get_buffer; gJSVMExports.duk_get_pointer = duk_get_pointer; gJSVMExports.duk_get_c_function = duk_get_c_function; gJSVMExports.duk_get_context = duk_get_context; gJSVMExports.duk_get_heapptr = duk_get_heapptr; gJSVMExports.duk_get_length = duk_get_length; gJSVMExports.duk_require_undefined = duk_require_undefined; gJSVMExports.duk_require_null = duk_require_null; gJSVMExports.duk_require_boolean = duk_require_boolean; gJSVMExports.duk_require_number = duk_require_number; gJSVMExports.duk_require_int = duk_require_int; gJSVMExports.duk_require_uint = duk_require_uint; gJSVMExports.duk_require_string = duk_require_string; gJSVMExports.duk_require_lstring = duk_require_lstring; gJSVMExports.duk_require_buffer = duk_require_buffer; gJSVMExports.duk_require_pointer = duk_require_pointer; gJSVMExports.duk_require_c_function = duk_require_c_function; gJSVMExports.duk_require_context = duk_require_context; gJSVMExports.duk_require_heapptr = duk_require_heapptr; gJSVMExports.duk_to_undefined = duk_to_undefined; gJSVMExports.duk_to_null = duk_to_null; gJSVMExports.duk_to_boolean = duk_to_boolean; gJSVMExports.duk_to_number = duk_to_number; gJSVMExports.duk_to_int = duk_to_int; gJSVMExports.duk_to_uint = duk_to_uint; gJSVMExports.duk_to_int32 = duk_to_int32; gJSVMExports.duk_to_uint32 = duk_to_uint32; gJSVMExports.duk_to_uint16 = duk_to_uint16; gJSVMExports.duk_to_string = duk_to_string; gJSVMExports.duk_to_lstring = duk_to_lstring; gJSVMExports.duk_to_buffer_raw = duk_to_buffer_raw; gJSVMExports.duk_to_pointer = duk_to_pointer; gJSVMExports.duk_to_object = duk_to_object; gJSVMExports.duk_to_defaultvalue = duk_to_primitive; // In Duktape 2.0 duk_to_defaultvalue() has to be replaced by duk_to_primitive(). gJSVMExports.duk_to_primitive = duk_to_primitive; gJSVMExports.duk_safe_to_lstring = duk_safe_to_lstring; gJSVMExports.duk_base64_encode = duk_base64_encode; gJSVMExports.duk_base64_decode = duk_base64_decode; gJSVMExports.duk_hex_encode = duk_hex_encode; gJSVMExports.duk_hex_decode = duk_hex_decode; gJSVMExports.duk_json_encode = duk_json_encode; gJSVMExports.duk_json_decode = duk_json_decode; gJSVMExports.duk_resize_buffer = duk_resize_buffer; gJSVMExports.duk_get_prop = duk_get_prop; gJSVMExports.duk_get_prop_string = duk_get_prop_string; gJSVMExports.duk_get_prop_index = duk_get_prop_index; gJSVMExports.duk_put_prop = duk_put_prop; gJSVMExports.duk_put_prop_string = duk_put_prop_string; gJSVMExports.duk_put_prop_index = duk_put_prop_index; gJSVMExports.duk_del_prop = duk_del_prop; gJSVMExports.duk_del_prop_string = duk_del_prop_string; gJSVMExports.duk_del_prop_index = duk_del_prop_index; gJSVMExports.duk_has_prop = duk_has_prop; gJSVMExports.duk_has_prop_string = duk_has_prop_string; gJSVMExports.duk_has_prop_index = duk_has_prop_index; gJSVMExports.duk_def_prop = duk_def_prop; gJSVMExports.duk_get_global_string = duk_get_global_string; gJSVMExports.duk_put_global_string = duk_put_global_string; gJSVMExports.duk_get_prototype = duk_get_prototype; gJSVMExports.duk_set_prototype = duk_set_prototype; gJSVMExports.duk_get_finalizer = duk_get_finalizer; gJSVMExports.duk_set_finalizer = duk_set_finalizer; gJSVMExports.duk_set_global_object = duk_set_global_object; gJSVMExports.duk_get_magic = duk_get_magic; gJSVMExports.duk_set_magic = duk_set_magic; gJSVMExports.duk_get_current_magic = duk_get_current_magic; gJSVMExports.duk_put_function_list = duk_put_function_list; gJSVMExports.duk_put_number_list = duk_put_number_list; gJSVMExports.duk_compact = duk_compact; gJSVMExports.duk_enum = duk_enum; gJSVMExports.duk_next = duk_next; gJSVMExports.duk_concat = duk_concat; gJSVMExports.duk_join = duk_join; gJSVMExports.duk_decode_string = duk_decode_string; gJSVMExports.duk_map_string = duk_map_string; gJSVMExports.duk_substring = duk_substring; gJSVMExports.duk_trim = duk_trim; gJSVMExports.duk_char_code_at = duk_char_code_at; gJSVMExports.duk_equals = duk_equals; gJSVMExports.duk_strict_equals = duk_strict_equals; gJSVMExports.duk_call = duk_call; gJSVMExports.duk_call_method = duk_call_method; gJSVMExports.duk_call_prop = duk_call_prop; gJSVMExports.duk_pcall = duk_pcall; gJSVMExports.duk_pcall_method = duk_pcall_method; gJSVMExports.duk_pcall_prop = duk_pcall_prop; gJSVMExports.duk_new = duk_new; gJSVMExports.duk_safe_call = duk_safe_call; gJSVMExports.duk_eval_raw = duk_eval_raw; gJSVMExports.duk_compile_raw = duk_compile_raw; gJSVMExports.duk_log = duk_log; gJSVMExports.duk_log_va = duk_log_va; gJSVMExports.duk_push_context_dump = duk_push_context_dump; gJSVMExports.duk_debugger_attach = duk_debugger_attach; gJSVMExports.duk_debugger_detach = duk_debugger_detach; gJSVMExports.duk_debugger_cooperate = duk_debugger_cooperate; } }