diff options
Diffstat (limited to 'modules/mono/mono_gd/gd_mono_wasm_m2n.cpp')
| -rw-r--r-- | modules/mono/mono_gd/gd_mono_wasm_m2n.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/modules/mono/mono_gd/gd_mono_wasm_m2n.cpp b/modules/mono/mono_gd/gd_mono_wasm_m2n.cpp new file mode 100644 index 0000000000..f4c964c6eb --- /dev/null +++ b/modules/mono/mono_gd/gd_mono_wasm_m2n.cpp @@ -0,0 +1,79 @@ +/*************************************************************************/ +/* gd_mono_wasm_m2n.cpp */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#include "gd_mono_wasm_m2n.h" + +#ifdef JAVASCRIPT_ENABLED + +#include "core/templates/oa_hash_map.h" + +typedef mono_bool (*GodotMonoM2nIcallTrampolineDispatch)(const char *cookie, void *target_func, Mono_InterpMethodArguments *margs); + +// This extern function is implemented in our patched version of Mono +MONO_API void godot_mono_register_m2n_icall_trampoline_dispatch_hook(GodotMonoM2nIcallTrampolineDispatch hook); + +namespace GDMonoWasmM2n { + +struct HashMapCookieComparator { + static bool compare(const char *p_lhs, const char *p_rhs) { + return strcmp(p_lhs, p_rhs) == 0; + } +}; + +// The default hasher supports 'const char *' C Strings, but we need a custom comparator +OAHashMap<const char *, TrampolineFunc, HashMapHasherDefault, HashMapCookieComparator> trampolines; + +void set_trampoline(const char *cookies, GDMonoWasmM2n::TrampolineFunc trampoline_func) { + trampolines.set(cookies, trampoline_func); +} + +mono_bool trampoline_dispatch_hook(const char *cookie, void *target_func, Mono_InterpMethodArguments *margs) { + TrampolineFunc *trampoline_func = trampolines.lookup_ptr(cookie); + + if (!trampoline_func) { + return false; + } + + (*trampoline_func)(target_func, margs); + return true; +} + +bool initialized = false; + +void lazy_initialize() { + // Doesn't need to be thread safe + if (!initialized) { + initialized = true; + godot_mono_register_m2n_icall_trampoline_dispatch_hook(&trampoline_dispatch_hook); + } +} +} // namespace GDMonoWasmM2n + +#endif |