180 lines
6.4 KiB
Python
180 lines
6.4 KiB
Python
proto = """
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#define GDVIRTUAL$VER($RET m_name $ARG) \\
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StringName _gdvirtual_##m_name##_sn = #m_name;\\
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mutable bool _gdvirtual_##m_name##_initialized = false;\\
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mutable GDNativeExtensionClassCallVirtual _gdvirtual_##m_name = nullptr;\\
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template<bool required>\\
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_FORCE_INLINE_ bool _gdvirtual_##m_name##_call($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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/* TODO: C-style cast because GDNativeStringNamePtr's const qualifier is broken (see https://github.com/godotengine/godot/pull/67751) */\\
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_gdvirtual_##m_name = (_get_extension() && _get_extension()->get_virtual) ? _get_extension()->get_virtual(_get_extension()->class_userdata, (GDNativeStringNamePtr)&_gdvirtual_##m_name##_sn) : (GDNativeExtensionClassCallVirtual) nullptr;\\
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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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_gdvirtual_##m_name(_get_extension_instance(),$CALLPTRARGPASS,$CALLPTRRETPASS);\\
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$CALLPTRRET\\
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return true;\\
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}\\
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\\
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if (required) {\\
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ERR_PRINT_ONCE("Required virtual method " + get_class() + "::" + #m_name + " must be overridden before calling.");\\
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$RVOID\\
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}\\
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\\
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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) {\\
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return _script_instance->has_method(_gdvirtual_##m_name##_sn);\\
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}\\
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if (unlikely(_get_extension() && !_gdvirtual_##m_name##_initialized)) {\\
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/* TODO: C-style cast because GDNativeStringNamePtr's const qualifier is broken (see https://github.com/godotengine/godot/pull/67751) */\\
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_gdvirtual_##m_name = (_get_extension() && _get_extension()->get_virtual) ? _get_extension()->get_virtual(_get_extension()->class_userdata, (GDNativeStringNamePtr)&_gdvirtual_##m_name##_sn) : (GDNativeExtensionClassCallVirtual) nullptr;\\
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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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\\
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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_FLAG_VIRTUAL;\\
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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 += "\tmethod_info.return_val = GetTypeInfo<m_ret>::get_class_info();\\\n"
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else:
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s = s.replace("$RET", "")
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s = s.replace("$RVOID", "")
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s = s.replace("$CALLPTRRETDEF", "")
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if const:
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sproto += "C"
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s = s.replace("$CONST", "const")
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method_info += "\tmethod_info.flags|=METHOD_FLAG_CONST;\\\n"
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else:
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s = s.replace("$CONST", "")
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s = s.replace("$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 = "Variant vargs[" + str(argcount) + "]={"
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callsiargptrs = "\t\tconst Variant *vargptrs[" + str(argcount) + "]={"
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callptrargsptr = "\t\tconst GDNativeTypePtr argptrs[" + str(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"
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callptrargsptr += ", "
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argtext += "m_type" + str(i + 1)
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callargtext += "m_type" + str(i + 1) + " arg" + str(i + 1)
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callsiargs += "Variant(arg" + str(i + 1) + ")"
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callsiargptrs += "&vargs[" + str(i) + "]"
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callptrargs += (
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"PtrToArg<m_type" + str(i + 1) + ">::EncodeT argval" + str(i + 1) + " = arg" + str(i + 1) + ";\\\n"
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)
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callptrargsptr += "&argval" + str(i + 1)
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method_info += "\tmethod_info.arguments.push_back(GetTypeInfo<m_type" + str(i + 1) + ">::get_class_info());\\\n"
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if argcount:
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callsiargs += "};\\\n"
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callsiargptrs += "};\\\n"
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s = s.replace("$CALLSIARGS", callsiargs + callsiargptrs)
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s = s.replace("$CALLSIARGPASS", "(const Variant **)vargptrs," + str(argcount))
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callptrargsptr += "};\\\n"
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s = s.replace("$CALLPTRARGS", callptrargs + callptrargsptr)
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s = s.replace("$CALLPTRARGPASS", "(const GDNativeTypePtr*)argptrs")
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else:
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s = s.replace("$CALLSIARGS", "")
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s = s.replace("$CALLSIARGPASS", "nullptr, 0")
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s = s.replace("$CALLPTRARGS", "")
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s = s.replace("$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("$CALLSIBEGIN", "")
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s = s.replace("$CALLSIRET", "")
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s = s.replace("$CALLPTRRETPASS", "nullptr")
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s = s.replace("$CALLPTRRET", "")
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s = s.replace("$ARG", argtext)
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s = s.replace("$CALLARGS", callargtext)
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s = s.replace("$FILL_METHOD_INFO", 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 = """
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#ifndef GDVIRTUAL_GEN_H
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#define GDVIRTUAL_GEN_H
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"""
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for i in range(max_versions + 1):
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txt += "/* " + str(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"
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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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