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/*************************************************************************/
/* 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
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