211 lines
7.9 KiB
Python
211 lines
7.9 KiB
Python
proto = """#define GDVIRTUAL$VER($RET m_name $ARG)\\
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StringName _gdvirtual_##m_name##_sn = #m_name;\\
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mutable bool _gdvirtual_##m_name##_initialized = false;\\
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mutable void *_gdvirtual_##m_name = nullptr;\\
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template <bool required>\\
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_FORCE_INLINE_ bool _gdvirtual_##m_name##_call($CALLARGS) $CONST {\\
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ScriptInstance *_script_instance = ((Object *)(this))->get_script_instance();\\
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if (_script_instance) {\\
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Callable::CallError ce;\\
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$CALLSIARGS\\
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$CALLSIBEGIN_script_instance->callp(_gdvirtual_##m_name##_sn, $CALLSIARGPASS, ce);\\
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if (ce.error == Callable::CallError::CALL_OK) {\\
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$CALLSIRET\\
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return true;\\
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}\\
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}\\
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if (unlikely(_get_extension() && !_gdvirtual_##m_name##_initialized)) {\\
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_gdvirtual_##m_name = nullptr;\\
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if (_get_extension()->get_virtual_call_data && _get_extension()->call_virtual_with_data) {\\
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_gdvirtual_##m_name = _get_extension()->get_virtual_call_data(_get_extension()->class_userdata, &_gdvirtual_##m_name##_sn);\\
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} else if (_get_extension()->get_virtual) {\\
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_gdvirtual_##m_name = (void *)_get_extension()->get_virtual(_get_extension()->class_userdata, &_gdvirtual_##m_name##_sn);\\
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}\\
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GDVIRTUAL_TRACK(_gdvirtual_##m_name, _gdvirtual_##m_name##_initialized);\\
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_gdvirtual_##m_name##_initialized = true;\\
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}\\
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if (_gdvirtual_##m_name) {\\
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$CALLPTRARGS\\
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$CALLPTRRETDEF\\
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if (_get_extension()->get_virtual_call_data && _get_extension()->call_virtual_with_data) {\\
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_get_extension()->call_virtual_with_data(_get_extension_instance(), &_gdvirtual_##m_name##_sn, _gdvirtual_##m_name, $CALLPTRARGPASS, $CALLPTRRETPASS);\\
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$CALLPTRRET\\
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} else {\\
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((GDExtensionClassCallVirtual)_gdvirtual_##m_name)(_get_extension_instance(), $CALLPTRARGPASS, $CALLPTRRETPASS);\\
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$CALLPTRRET\\
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}\\
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return true;\\
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}\\
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if (required) {\\
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ERR_PRINT_ONCE("Required virtual method " + get_class() + "::" + #m_name + " must be overridden before calling.");\\
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$RVOID\\
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}\\
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return false;\\
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}\\
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_FORCE_INLINE_ bool _gdvirtual_##m_name##_overridden() const {\\
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ScriptInstance *_script_instance = ((Object *)(this))->get_script_instance();\\
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if (_script_instance && _script_instance->has_method(_gdvirtual_##m_name##_sn)) {\\
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return true;\\
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}\\
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if (unlikely(_get_extension() && !_gdvirtual_##m_name##_initialized)) {\\
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_gdvirtual_##m_name = nullptr;\\
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if (_get_extension()->get_virtual_call_data && _get_extension()->call_virtual_with_data) {\\
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_gdvirtual_##m_name = _get_extension()->get_virtual_call_data(_get_extension()->class_userdata, &_gdvirtual_##m_name##_sn);\\
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} else if (_get_extension()->get_virtual) {\\
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_gdvirtual_##m_name = (void *)_get_extension()->get_virtual(_get_extension()->class_userdata, &_gdvirtual_##m_name##_sn);\\
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}\\
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GDVIRTUAL_TRACK(_gdvirtual_##m_name, _gdvirtual_##m_name##_initialized);\\
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_gdvirtual_##m_name##_initialized = true;\\
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}\\
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if (_gdvirtual_##m_name) {\\
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return true;\\
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}\\
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return false;\\
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}\\
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_FORCE_INLINE_ static MethodInfo _gdvirtual_##m_name##_get_method_info() {\\
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MethodInfo method_info;\\
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method_info.name = #m_name;\\
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method_info.flags = $METHOD_FLAGS;\\
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$FILL_METHOD_INFO\\
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return method_info;\\
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}
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"""
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def generate_version(argcount, const=False, returns=False):
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s = proto
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sproto = str(argcount)
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method_info = ""
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if returns:
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sproto += "R"
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s = s.replace("$RET", "m_ret,")
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s = s.replace("$RVOID", "(void)r_ret;") # If required, may lead to uninitialized errors
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s = s.replace("$CALLPTRRETDEF", "PtrToArg<m_ret>::EncodeT ret;")
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method_info += "method_info.return_val = GetTypeInfo<m_ret>::get_class_info();\\\n"
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method_info += "\t\tmethod_info.return_val_metadata = GetTypeInfo<m_ret>::METADATA;"
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else:
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s = s.replace("$RET ", "")
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s = s.replace("\t\t\t$RVOID\\\n", "")
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s = s.replace("\t\t\t$CALLPTRRETDEF\\\n", "")
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if const:
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sproto += "C"
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s = s.replace("$CONST", "const")
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s = s.replace("$METHOD_FLAGS", "METHOD_FLAG_VIRTUAL | METHOD_FLAG_CONST")
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else:
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s = s.replace("$CONST ", "")
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s = s.replace("$METHOD_FLAGS", "METHOD_FLAG_VIRTUAL")
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s = s.replace("$VER", sproto)
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argtext = ""
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callargtext = ""
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callsiargs = ""
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callsiargptrs = ""
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callptrargsptr = ""
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if argcount > 0:
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argtext += ", "
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callsiargs = f"Variant vargs[{argcount}] = {{ "
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callsiargptrs = f"\t\t\tconst Variant *vargptrs[{argcount}] = {{ "
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callptrargsptr = f"\t\t\tGDExtensionConstTypePtr argptrs[{argcount}] = {{ "
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callptrargs = ""
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for i in range(argcount):
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if i > 0:
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argtext += ", "
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callargtext += ", "
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callsiargs += ", "
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callsiargptrs += ", "
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callptrargs += "\t\t\t"
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callptrargsptr += ", "
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argtext += f"m_type{i + 1}"
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callargtext += f"m_type{i + 1} arg{i + 1}"
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callsiargs += f"Variant(arg{i + 1})"
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callsiargptrs += f"&vargs[{i}]"
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callptrargs += (
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f"PtrToArg<m_type{i + 1}>::EncodeT argval{i + 1} = (PtrToArg<m_type{i + 1}>::EncodeT)arg{i + 1};\\\n"
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)
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callptrargsptr += f"&argval{i + 1}"
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if method_info:
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method_info += "\\\n\t\t"
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method_info += f"method_info.arguments.push_back(GetTypeInfo<m_type{i + 1}>::get_class_info());\\\n"
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method_info += f"\t\tmethod_info.arguments_metadata.push_back(GetTypeInfo<m_type{i + 1}>::METADATA);"
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if argcount:
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callsiargs += " };\\\n"
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callsiargptrs += " };"
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s = s.replace("$CALLSIARGS", callsiargs + callsiargptrs)
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s = s.replace("$CALLSIARGPASS", f"(const Variant **)vargptrs, {argcount}")
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callptrargsptr += " };"
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s = s.replace("$CALLPTRARGS", callptrargs + callptrargsptr)
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s = s.replace("$CALLPTRARGPASS", "reinterpret_cast<GDExtensionConstTypePtr *>(argptrs)")
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else:
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s = s.replace("\t\t\t$CALLSIARGS\\\n", "")
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s = s.replace("$CALLSIARGPASS", "nullptr, 0")
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s = s.replace("\t\t\t$CALLPTRARGS\\\n", "")
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s = s.replace("$CALLPTRARGPASS", "nullptr")
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if returns:
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if argcount > 0:
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callargtext += ", "
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callargtext += "m_ret &r_ret"
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s = s.replace("$CALLSIBEGIN", "Variant ret = ")
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s = s.replace("$CALLSIRET", "r_ret = VariantCaster<m_ret>::cast(ret);")
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s = s.replace("$CALLPTRRETPASS", "&ret")
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s = s.replace("$CALLPTRRET", "r_ret = (m_ret)ret;")
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else:
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s = s.replace("$CALLSIBEGIN", "")
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s = s.replace("\t\t\t\t$CALLSIRET\\\n", "")
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s = s.replace("$CALLPTRRETPASS", "nullptr")
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s = s.replace("\t\t\t\t$CALLPTRRET\\\n", "")
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s = s.replace(" $ARG", argtext)
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s = s.replace("$CALLARGS", callargtext)
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if method_info:
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s = s.replace("$FILL_METHOD_INFO", method_info)
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else:
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s = s.replace("\t\t$FILL_METHOD_INFO\\\n", method_info)
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return s
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def run(target, source, env):
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max_versions = 12
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txt = """/* THIS FILE IS GENERATED DO NOT EDIT */
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#ifndef GDVIRTUAL_GEN_H
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#define GDVIRTUAL_GEN_H
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#include "core/object/script_instance.h"
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#ifdef TOOLS_ENABLED
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#define GDVIRTUAL_TRACK(m_virtual, m_initialized)\\
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if (_get_extension()->reloadable) {\\
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VirtualMethodTracker *tracker = memnew(VirtualMethodTracker);\\
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tracker->method = (void **)&m_virtual;\\
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tracker->initialized = &m_initialized;\\
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tracker->next = virtual_method_list;\\
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virtual_method_list = tracker;\\
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}
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#else
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#define GDVIRTUAL_TRACK(m_virtual, m_initialized)
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#endif
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"""
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for i in range(max_versions + 1):
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txt += f"/* {i} Arguments */\n\n"
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txt += generate_version(i, False, False)
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txt += generate_version(i, False, True)
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txt += generate_version(i, True, False)
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txt += generate_version(i, True, True)
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txt += "#endif // GDVIRTUAL_GEN_H\n"
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with open(target[0], "w") as f:
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f.write(txt)
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if __name__ == "__main__":
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from platform_methods import subprocess_main
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subprocess_main(globals())
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