C++ MethodBind::get_argument_info方法代码示例

void ClassDB::get_method_list(StringName p_class, List<MethodInfo> *p_methods, bool p_no_inheritance, bool p_exclude_from_properties) {

	OBJTYPE_RLOCK;

	ClassInfo *type = classes.getptr(p_class);

	while (type) {

		if (type->disabled) {

			if (p_no_inheritance)
				break;

			type = type->inherits_ptr;
			continue;
		}

#ifdef DEBUG_METHODS_ENABLED

		for (List<MethodInfo>::Element *E = type->virtual_methods.front(); E; E = E->next()) {

			p_methods->push_back(E->get());
		}

		for (List<StringName>::Element *E = type->method_order.front(); E; E = E->next()) {

			MethodBind *method = type->method_map.get(E->get());
			MethodInfo minfo;
			minfo.name = E->get();
			minfo.id = method->get_method_id();

			if (p_exclude_from_properties && type->methods_in_properties.has(minfo.name))
				continue;

			for (int i = 0; i < method->get_argument_count(); i++) {

				//Variant::Type t=method->get_argument_type(i);

				minfo.arguments.push_back(method->get_argument_info(i));
			}

			minfo.return_val = method->get_return_info();
			minfo.flags = method->get_hint_flags();

			for (int i = 0; i < method->get_argument_count(); i++) {
				if (method->has_default_argument(i))
					minfo.default_arguments.push_back(method->get_default_argument(i));
			}

			p_methods->push_back(minfo);
		}

#else

		const StringName *K = NULL;

		while ((K = type->method_map.next(K))) {

			MethodBind *m = type->method_map[*K];
			MethodInfo mi;
			mi.name = m->get_name();
			p_methods->push_back(mi);
		}

#endif

		if (p_no_inheritance)
			break;

		type = type->inherits_ptr;
	}
}

//.........这里部分代码省略.........
				return true;
			} else if (op->arguments[0]->type==GDParser::Node::TYPE_BUILT_IN_FUNCTION) {


				const GDParser::BuiltInFunctionNode *bin = static_cast<const GDParser::BuiltInFunctionNode *>(op->arguments[0]);
				return _guess_expression_type(context,bin,p_line,r_type);

			} else if (op->arguments.size()>1 && op->arguments[1]->type==GDParser::Node::TYPE_IDENTIFIER) {


				GDCompletionIdentifier base;
				if (!_guess_expression_type(context,op->arguments[0],p_line,base))
					return false;

				StringName id = static_cast<const GDParser::IdentifierNode *>(op->arguments[1])->name;

				if (base.type==Variant::OBJECT) {

					if (id.operator String()=="new" && base.value.get_type()==Variant::OBJECT) {
						Object *obj = base.value;
						if (obj && obj->cast_to<GDNativeClass>()) {
							GDNativeClass *gdnc = obj->cast_to<GDNativeClass>();
							r_type.type=Variant::OBJECT;
							r_type.value=Variant();
							r_type.obj_type=gdnc->get_name();
							return true;
						}
					}

					if (ObjectTypeDB::has_method(base.obj_type,id)) {

#ifdef TOOLS_ENABLED
						MethodBind *mb = ObjectTypeDB::get_method(base.obj_type,id);
						PropertyInfo pi = mb->get_argument_info(-1);

						//try calling the function if constant and all args are constant, should not crash..
						Object *baseptr = base.value;

						if (baseptr && mb->is_const() && pi.type==Variant::OBJECT) {
							bool all_valid=true;
							Vector<Variant> args;
							for(int i=2;i<op->arguments.size();i++) {
								GDCompletionIdentifier arg;

								if (_guess_expression_type(context,op->arguments[i],p_line,arg)) {
									if (arg.value.get_type()!=Variant::NIL && arg.value.get_type()!=Variant::OBJECT) { // calling with object seems dangerous, i don' t know
										args.push_back(arg.value);
									} else {
										all_valid=false;
										break;
									}
								} else {
									all_valid=false;
								}
							}
							if (all_valid) {
								Vector<const Variant*> argptr;
								for(int i=0;i<args.size();i++) {
									argptr.push_back(&args[i]);
								}

								Variant::CallError ce;
								Variant ret=mb->call(baseptr,argptr.ptr(),argptr.size(),ce);


								if (ce.error==Variant::CallError::CALL_OK && ret.get_type()!=Variant::NIL) {

uint64_t ClassDB::get_api_hash(APIType p_api) {

	OBJTYPE_RLOCK;
#ifdef DEBUG_METHODS_ENABLED

	uint64_t hash = hash_djb2_one_64(HashMapHasherDefault::hash(VERSION_FULL_CONFIG));

	List<StringName> names;

	const StringName *k = NULL;

	while ((k = classes.next(k))) {

		names.push_back(*k);
	}
	//must be alphabetically sorted for hash to compute
	names.sort_custom<StringName::AlphCompare>();

	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {

		ClassInfo *t = classes.getptr(E->get());
		ERR_FAIL_COND_V(!t, 0);
		if (t->api != p_api || !t->exposed)
			continue;
		hash = hash_djb2_one_64(t->name.hash(), hash);
		hash = hash_djb2_one_64(t->inherits.hash(), hash);

		{ //methods

			List<StringName> snames;

			k = NULL;

			while ((k = t->method_map.next(k))) {

				snames.push_back(*k);
			}

			snames.sort_custom<StringName::AlphCompare>();

			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {

				MethodBind *mb = t->method_map[F->get()];
				hash = hash_djb2_one_64(mb->get_name().hash(), hash);
				hash = hash_djb2_one_64(mb->get_argument_count(), hash);
				hash = hash_djb2_one_64(mb->get_argument_type(-1), hash); //return

				for (int i = 0; i < mb->get_argument_count(); i++) {
					const PropertyInfo info = mb->get_argument_info(i);
					hash = hash_djb2_one_64(info.type, hash);
					hash = hash_djb2_one_64(info.name.hash(), hash);
					hash = hash_djb2_one_64(info.hint, hash);
					hash = hash_djb2_one_64(info.hint_string.hash(), hash);
				}

				hash = hash_djb2_one_64(mb->get_default_argument_count(), hash);

				for (int i = 0; i < mb->get_default_argument_count(); i++) {
					//hash should not change, i hope for tis
					Variant da = mb->get_default_argument(i);
					hash = hash_djb2_one_64(da.hash(), hash);
				}

				hash = hash_djb2_one_64(mb->get_hint_flags(), hash);
			}
		}

		{ //constants

			List<StringName> snames;

			k = NULL;

			while ((k = t->constant_map.next(k))) {

				snames.push_back(*k);
			}

			snames.sort_custom<StringName::AlphCompare>();

			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {

				hash = hash_djb2_one_64(F->get().hash(), hash);
				hash = hash_djb2_one_64(t->constant_map[F->get()], hash);
			}
		}

		{ //signals

			List<StringName> snames;

			k = NULL;

			while ((k = t->signal_map.next(k))) {

				snames.push_back(*k);
			}

			snames.sort_custom<StringName::AlphCompare>();

//.........这里部分代码省略.........

static void _find_type_arguments(const GDParser::Node*p_node,int p_line,const StringName& p_method,const GDCompletionIdentifier& id, int p_argidx, Set<String>& result, String& arghint) {


	if (id.type==Variant::OBJECT && id.obj_type!=StringName()) {


		MethodBind *m = ObjectTypeDB::get_method(id.obj_type,p_method);
		if (!m)
			return;

		if (p_method.operator String()=="connect") {


			if (p_argidx==0) {
				List<MethodInfo> sigs;
				ObjectTypeDB::get_signal_list(id.obj_type,&sigs);
				for (List<MethodInfo>::Element *E=sigs.front();E;E=E->next()) {
					result.insert("\""+E->get().name+"\"");
				}
			}
			/*if (p_argidx==2) {

				ERR_FAIL_COND(p_node->type!=GDParser::Node::TYPE_OPERATOR);
				const GDParser::OperatorNode *op=static_cast<const GDParser::OperatorNode *>(p_node);
				if (op->arguments.size()>)

			}*/
		} else {

			Object *obj=id.value;
			if (obj) {
				List<String> options;
				obj->get_argument_options(p_method,p_argidx,&options);
				for(List<String>::Element *E=options.front();E;E=E->next()) {

					result.insert(E->get());
				}
			}

		}

		arghint = _get_visual_datatype(m->get_argument_info(-1),false)+" "+p_method.operator String()+String("(");

		for(int i=0;i<m->get_argument_count();i++) {
			if (i>0)
				arghint+=", ";
			else
				arghint+=" ";

			if (i==p_argidx) {
				arghint+=String::chr(0xFFFF);
			}
			String n = m->get_argument_info(i).name;
			int dp = n.find(":");
			if (dp!=-1)
				n=n.substr(0,dp);
			arghint+=_get_visual_datatype(m->get_argument_info(i))+" "+n;
			int deffrom = m->get_argument_count()-m->get_default_argument_count();


			if (i>=deffrom) {
				int defidx = i-deffrom;

				if (defidx>=0 && defidx<m->get_default_argument_count()) {
					Variant v= m->get_default_argument(i);
					arghint+="="+v.get_construct_string();
				}
			}

			if (i==p_argidx) {
				arghint+=String::chr(0xFFFF);
			}

		}
		if (m->get_argument_count()>0)
			arghint+=" ";


		arghint+=")";

	}
}