diff options
Diffstat (limited to 'platform/javascript/native/library_godot_eval.js')
| -rw-r--r-- | platform/javascript/native/library_godot_eval.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/platform/javascript/native/library_godot_eval.js b/platform/javascript/native/library_godot_eval.js new file mode 100644 index 0000000000..e83c61dd9d --- /dev/null +++ b/platform/javascript/native/library_godot_eval.js @@ -0,0 +1,87 @@ +/*************************************************************************/ +/* library_godot_eval.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +const GodotEval = { + + godot_js_eval__deps: ['$GodotOS'], + godot_js_eval: function(p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) { + const js_code = UTF8ToString(p_js); + let eval_ret = null; + try { + if (p_use_global_ctx) { + // indirect eval call grants global execution context + const global_eval = eval; + eval_ret = global_eval(js_code); + } else { + eval_ret = eval(js_code); + } + } catch (e) { + err(e); + } + + switch (typeof eval_ret) { + + case 'boolean': + setValue(p_union_ptr, eval_ret, 'i32'); + return 1; // BOOL + + case 'number': + setValue(p_union_ptr, eval_ret, 'double'); + return 3; // REAL + + case 'string': + let array_ptr = GodotOS.allocString(eval_ret); + setValue(p_union_ptr, array_ptr , '*'); + return 4; // STRING + + case 'object': + if (eval_ret === null) { + break; + } + + if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) { + eval_ret = new Uint8Array(eval_ret.buffer); + } + else if (eval_ret instanceof ArrayBuffer) { + eval_ret = new Uint8Array(eval_ret); + } + if (eval_ret instanceof Uint8Array) { + const func = GodotOS.get_func(p_callback); + const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length); + HEAPU8.set(eval_ret, bytes_ptr); + return 20; // POOL_BYTE_ARRAY + } + break; + } + return 0; // NIL + }, +} + +mergeInto(LibraryManager.library, GodotEval); |