80 lines
3.5 KiB
C++
80 lines
3.5 KiB
C++
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/*************************************************************************/
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/* gd_mono_wasm_m2n.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gd_mono_wasm_m2n.h"
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#ifdef JAVASCRIPT_ENABLED
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#include "core/oa_hash_map.h"
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typedef mono_bool (*GodotMonoM2nIcallTrampolineDispatch)(const char *cookie, void *target_func, Mono_InterpMethodArguments *margs);
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// This extern function is implemented in our patched version of Mono
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MONO_API void godot_mono_register_m2n_icall_trampoline_dispatch_hook(GodotMonoM2nIcallTrampolineDispatch hook);
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namespace GDMonoWasmM2n {
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struct HashMapCookieComparator {
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static bool compare(const char *p_lhs, const char *p_rhs) {
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return strcmp(p_lhs, p_rhs) == 0;
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}
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};
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// The default hasher supports 'const char *' C Strings, but we need a custom comparator
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OAHashMap<const char *, TrampolineFunc, HashMapHasherDefault, HashMapCookieComparator> trampolines;
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void set_trampoline(const char *cookies, GDMonoWasmM2n::TrampolineFunc trampoline_func) {
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trampolines.set(cookies, trampoline_func);
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}
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mono_bool trampoline_dispatch_hook(const char *cookie, void *target_func, Mono_InterpMethodArguments *margs) {
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TrampolineFunc trampoline_func;
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if (!trampolines.lookup(cookie, trampoline_func)) {
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return false;
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}
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(*trampoline_func)(target_func, margs);
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return true;
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}
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bool initialized = false;
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void lazy_initialize() {
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// Doesn't need to be thread safe
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if (!initialized) {
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initialized = true;
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godot_mono_register_m2n_icall_trampoline_dispatch_hook(&trampoline_dispatch_hook);
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}
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}
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} // namespace GDMonoWasmM2n
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#endif
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