Thu, 24 May 2018 16:39:31 +0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | /* |
aoqi@0 | 27 | * This file is available under and governed by the GNU General Public |
aoqi@0 | 28 | * License version 2 only, as published by the Free Software Foundation. |
aoqi@0 | 29 | * However, the following notice accompanied the original version of this |
aoqi@0 | 30 | * file, and Oracle licenses the original version of this file under the BSD |
aoqi@0 | 31 | * license: |
aoqi@0 | 32 | */ |
aoqi@0 | 33 | /* |
aoqi@0 | 34 | Copyright 2009-2013 Attila Szegedi |
aoqi@0 | 35 | |
aoqi@0 | 36 | Licensed under both the Apache License, Version 2.0 (the "Apache License") |
aoqi@0 | 37 | and the BSD License (the "BSD License"), with licensee being free to |
aoqi@0 | 38 | choose either of the two at their discretion. |
aoqi@0 | 39 | |
aoqi@0 | 40 | You may not use this file except in compliance with either the Apache |
aoqi@0 | 41 | License or the BSD License. |
aoqi@0 | 42 | |
aoqi@0 | 43 | If you choose to use this file in compliance with the Apache License, the |
aoqi@0 | 44 | following notice applies to you: |
aoqi@0 | 45 | |
aoqi@0 | 46 | You may obtain a copy of the Apache License at |
aoqi@0 | 47 | |
aoqi@0 | 48 | http://www.apache.org/licenses/LICENSE-2.0 |
aoqi@0 | 49 | |
aoqi@0 | 50 | Unless required by applicable law or agreed to in writing, software |
aoqi@0 | 51 | distributed under the License is distributed on an "AS IS" BASIS, |
aoqi@0 | 52 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
aoqi@0 | 53 | implied. See the License for the specific language governing |
aoqi@0 | 54 | permissions and limitations under the License. |
aoqi@0 | 55 | |
aoqi@0 | 56 | If you choose to use this file in compliance with the BSD License, the |
aoqi@0 | 57 | following notice applies to you: |
aoqi@0 | 58 | |
aoqi@0 | 59 | Redistribution and use in source and binary forms, with or without |
aoqi@0 | 60 | modification, are permitted provided that the following conditions are |
aoqi@0 | 61 | met: |
aoqi@0 | 62 | * Redistributions of source code must retain the above copyright |
aoqi@0 | 63 | notice, this list of conditions and the following disclaimer. |
aoqi@0 | 64 | * Redistributions in binary form must reproduce the above copyright |
aoqi@0 | 65 | notice, this list of conditions and the following disclaimer in the |
aoqi@0 | 66 | documentation and/or other materials provided with the distribution. |
aoqi@0 | 67 | * Neither the name of the copyright holder nor the names of |
aoqi@0 | 68 | contributors may be used to endorse or promote products derived from |
aoqi@0 | 69 | this software without specific prior written permission. |
aoqi@0 | 70 | |
aoqi@0 | 71 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
aoqi@0 | 72 | IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
aoqi@0 | 73 | TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
aoqi@0 | 74 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER |
aoqi@0 | 75 | BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
aoqi@0 | 76 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
aoqi@0 | 77 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
aoqi@0 | 78 | BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
aoqi@0 | 79 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
aoqi@0 | 80 | OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
aoqi@0 | 81 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
aoqi@0 | 82 | */ |
aoqi@0 | 83 | |
aoqi@0 | 84 | package jdk.internal.dynalink.beans; |
aoqi@0 | 85 | |
aoqi@0 | 86 | import java.lang.invoke.MethodHandle; |
aoqi@0 | 87 | import java.lang.invoke.MethodHandles; |
aoqi@0 | 88 | import java.lang.invoke.MethodType; |
attila@1539 | 89 | import java.text.Collator; |
aoqi@0 | 90 | import java.util.ArrayList; |
attila@1539 | 91 | import java.util.Collections; |
aoqi@0 | 92 | import java.util.Iterator; |
aoqi@0 | 93 | import java.util.LinkedList; |
aoqi@0 | 94 | import java.util.List; |
aoqi@0 | 95 | import jdk.internal.dynalink.CallSiteDescriptor; |
aoqi@0 | 96 | import jdk.internal.dynalink.beans.ApplicableOverloadedMethods.ApplicabilityTest; |
aoqi@0 | 97 | import jdk.internal.dynalink.linker.LinkerServices; |
aoqi@0 | 98 | import jdk.internal.dynalink.support.TypeUtilities; |
aoqi@0 | 99 | |
aoqi@0 | 100 | /** |
aoqi@0 | 101 | * Represents a group of {@link SingleDynamicMethod} objects that represents all overloads of a particular name (or all |
aoqi@0 | 102 | * constructors) for a particular class. Correctly handles overload resolution, variable arity methods, and caller |
aoqi@0 | 103 | * sensitive methods within the overloads. |
aoqi@0 | 104 | * |
aoqi@0 | 105 | * @author Attila Szegedi |
aoqi@0 | 106 | */ |
aoqi@0 | 107 | class OverloadedDynamicMethod extends DynamicMethod { |
aoqi@0 | 108 | /** |
aoqi@0 | 109 | * Holds a list of all methods. |
aoqi@0 | 110 | */ |
aoqi@0 | 111 | private final LinkedList<SingleDynamicMethod> methods; |
aoqi@0 | 112 | private final ClassLoader classLoader; |
aoqi@0 | 113 | |
aoqi@0 | 114 | /** |
aoqi@0 | 115 | * Creates a new overloaded dynamic method. |
aoqi@0 | 116 | * |
aoqi@0 | 117 | * @param clazz the class this method belongs to |
aoqi@0 | 118 | * @param name the name of the method |
aoqi@0 | 119 | */ |
attila@962 | 120 | OverloadedDynamicMethod(final Class<?> clazz, final String name) { |
aoqi@0 | 121 | this(new LinkedList<SingleDynamicMethod>(), clazz.getClassLoader(), getClassAndMethodName(clazz, name)); |
aoqi@0 | 122 | } |
aoqi@0 | 123 | |
attila@962 | 124 | private OverloadedDynamicMethod(final LinkedList<SingleDynamicMethod> methods, final ClassLoader classLoader, final String name) { |
aoqi@0 | 125 | super(name); |
aoqi@0 | 126 | this.methods = methods; |
aoqi@0 | 127 | this.classLoader = classLoader; |
aoqi@0 | 128 | } |
aoqi@0 | 129 | |
aoqi@0 | 130 | @Override |
attila@962 | 131 | SingleDynamicMethod getMethodForExactParamTypes(final String paramTypes) { |
aoqi@0 | 132 | final LinkedList<SingleDynamicMethod> matchingMethods = new LinkedList<>(); |
attila@962 | 133 | for(final SingleDynamicMethod method: methods) { |
aoqi@0 | 134 | final SingleDynamicMethod matchingMethod = method.getMethodForExactParamTypes(paramTypes); |
aoqi@0 | 135 | if(matchingMethod != null) { |
aoqi@0 | 136 | matchingMethods.add(matchingMethod); |
aoqi@0 | 137 | } |
aoqi@0 | 138 | } |
aoqi@0 | 139 | switch(matchingMethods.size()) { |
aoqi@0 | 140 | case 0: { |
aoqi@0 | 141 | return null; |
aoqi@0 | 142 | } |
aoqi@0 | 143 | case 1: { |
aoqi@0 | 144 | return matchingMethods.getFirst(); |
aoqi@0 | 145 | } |
aoqi@0 | 146 | default: { |
aoqi@0 | 147 | throw new BootstrapMethodError("Can't choose among " + matchingMethods + " for argument types " |
aoqi@0 | 148 | + paramTypes + " for method " + getName()); |
aoqi@0 | 149 | } |
aoqi@0 | 150 | } |
aoqi@0 | 151 | } |
aoqi@0 | 152 | |
aoqi@0 | 153 | @Override |
aoqi@0 | 154 | public MethodHandle getInvocation(final CallSiteDescriptor callSiteDescriptor, final LinkerServices linkerServices) { |
aoqi@0 | 155 | final MethodType callSiteType = callSiteDescriptor.getMethodType(); |
aoqi@0 | 156 | // First, find all methods applicable to the call site by subtyping (JLS 15.12.2.2) |
aoqi@0 | 157 | final ApplicableOverloadedMethods subtypingApplicables = getApplicables(callSiteType, |
aoqi@0 | 158 | ApplicableOverloadedMethods.APPLICABLE_BY_SUBTYPING); |
aoqi@0 | 159 | // Next, find all methods applicable by method invocation conversion to the call site (JLS 15.12.2.3). |
aoqi@0 | 160 | final ApplicableOverloadedMethods methodInvocationApplicables = getApplicables(callSiteType, |
aoqi@0 | 161 | ApplicableOverloadedMethods.APPLICABLE_BY_METHOD_INVOCATION_CONVERSION); |
aoqi@0 | 162 | // Finally, find all methods applicable by variable arity invocation. (JLS 15.12.2.4). |
aoqi@0 | 163 | final ApplicableOverloadedMethods variableArityApplicables = getApplicables(callSiteType, |
aoqi@0 | 164 | ApplicableOverloadedMethods.APPLICABLE_BY_VARIABLE_ARITY); |
aoqi@0 | 165 | |
aoqi@0 | 166 | // Find the methods that are maximally specific based on the call site signature |
aoqi@0 | 167 | List<SingleDynamicMethod> maximallySpecifics = subtypingApplicables.findMaximallySpecificMethods(); |
aoqi@0 | 168 | if(maximallySpecifics.isEmpty()) { |
aoqi@0 | 169 | maximallySpecifics = methodInvocationApplicables.findMaximallySpecificMethods(); |
aoqi@0 | 170 | if(maximallySpecifics.isEmpty()) { |
aoqi@0 | 171 | maximallySpecifics = variableArityApplicables.findMaximallySpecificMethods(); |
aoqi@0 | 172 | } |
aoqi@0 | 173 | } |
aoqi@0 | 174 | |
aoqi@0 | 175 | // Now, get a list of the rest of the methods; those that are *not* applicable to the call site signature based |
aoqi@0 | 176 | // on JLS rules. As paradoxical as that might sound, we have to consider these for dynamic invocation, as they |
aoqi@0 | 177 | // might match more concrete types passed in invocations. That's why we provisionally call them "invokables". |
aoqi@0 | 178 | // This is typical for very generic signatures at call sites. Typical example: call site specifies |
aoqi@0 | 179 | // (Object, Object), and we have a method whose parameter types are (String, int). None of the JLS applicability |
aoqi@0 | 180 | // rules will trigger, but we must consider the method, as it can be the right match for a concrete invocation. |
aoqi@0 | 181 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
aoqi@0 | 182 | final List<SingleDynamicMethod> invokables = (List)methods.clone(); |
aoqi@0 | 183 | invokables.removeAll(subtypingApplicables.getMethods()); |
aoqi@0 | 184 | invokables.removeAll(methodInvocationApplicables.getMethods()); |
aoqi@0 | 185 | invokables.removeAll(variableArityApplicables.getMethods()); |
aoqi@0 | 186 | for(final Iterator<SingleDynamicMethod> it = invokables.iterator(); it.hasNext();) { |
aoqi@0 | 187 | final SingleDynamicMethod m = it.next(); |
aoqi@0 | 188 | if(!isApplicableDynamically(linkerServices, callSiteType, m)) { |
aoqi@0 | 189 | it.remove(); |
aoqi@0 | 190 | } |
aoqi@0 | 191 | } |
aoqi@0 | 192 | |
aoqi@0 | 193 | // If no additional methods can apply at invocation time, and there's more than one maximally specific method |
aoqi@0 | 194 | // based on call site signature, that is a link-time ambiguity. In a static scenario, javac would report an |
aoqi@0 | 195 | // ambiguity error. |
aoqi@0 | 196 | if(invokables.isEmpty() && maximallySpecifics.size() > 1) { |
aoqi@0 | 197 | throw new BootstrapMethodError("Can't choose among " + maximallySpecifics + " for argument types " |
aoqi@0 | 198 | + callSiteType); |
aoqi@0 | 199 | } |
aoqi@0 | 200 | |
aoqi@0 | 201 | // Merge them all. |
aoqi@0 | 202 | invokables.addAll(maximallySpecifics); |
aoqi@0 | 203 | switch(invokables.size()) { |
aoqi@0 | 204 | case 0: { |
aoqi@0 | 205 | // No overloads can ever match the call site type |
aoqi@0 | 206 | return null; |
aoqi@0 | 207 | } |
aoqi@0 | 208 | case 1: { |
aoqi@0 | 209 | // Very lucky, we ended up with a single candidate method handle based on the call site signature; we |
aoqi@0 | 210 | // can link it very simply by delegating to the SingleDynamicMethod. |
attila@963 | 211 | return invokables.iterator().next().getInvocation(callSiteDescriptor, linkerServices); |
aoqi@0 | 212 | } |
aoqi@0 | 213 | default: { |
aoqi@0 | 214 | // We have more than one candidate. We have no choice but to link to a method that resolves overloads on |
aoqi@0 | 215 | // every invocation (alternatively, we could opportunistically link the one method that resolves for the |
aoqi@0 | 216 | // current arguments, but we'd need to install a fairly complex guard for that and when it'd fail, we'd |
aoqi@0 | 217 | // go back all the way to candidate selection. Note that we're resolving any potential caller sensitive |
aoqi@0 | 218 | // methods here to their handles, as the OverloadedMethod instance is specific to a call site, so it |
aoqi@0 | 219 | // has an already determined Lookup. |
aoqi@0 | 220 | final List<MethodHandle> methodHandles = new ArrayList<>(invokables.size()); |
aoqi@0 | 221 | final MethodHandles.Lookup lookup = callSiteDescriptor.getLookup(); |
attila@962 | 222 | for(final SingleDynamicMethod method: invokables) { |
aoqi@0 | 223 | methodHandles.add(method.getTarget(lookup)); |
aoqi@0 | 224 | } |
aoqi@0 | 225 | return new OverloadedMethod(methodHandles, this, callSiteType, linkerServices).getInvoker(); |
aoqi@0 | 226 | } |
aoqi@0 | 227 | } |
aoqi@0 | 228 | |
aoqi@0 | 229 | } |
aoqi@0 | 230 | |
aoqi@0 | 231 | @Override |
attila@962 | 232 | public boolean contains(final SingleDynamicMethod m) { |
attila@962 | 233 | for(final SingleDynamicMethod method: methods) { |
aoqi@0 | 234 | if(method.contains(m)) { |
aoqi@0 | 235 | return true; |
aoqi@0 | 236 | } |
aoqi@0 | 237 | } |
aoqi@0 | 238 | return false; |
aoqi@0 | 239 | } |
aoqi@0 | 240 | |
attila@963 | 241 | @Override |
attila@963 | 242 | public boolean isConstructor() { |
attila@963 | 243 | assert !methods.isEmpty(); |
attila@963 | 244 | return methods.getFirst().isConstructor(); |
attila@963 | 245 | } |
attila@963 | 246 | |
attila@1539 | 247 | @Override |
attila@1539 | 248 | public String toString() { |
attila@1539 | 249 | // First gather the names and sort them. This makes it consistent and easier to read. |
attila@1539 | 250 | final List<String> names = new ArrayList<>(methods.size()); |
attila@1539 | 251 | int len = 0; |
attila@1539 | 252 | for (final SingleDynamicMethod m: methods) { |
attila@1539 | 253 | final String name = m.getName(); |
attila@1539 | 254 | len += name.length(); |
attila@1539 | 255 | names.add(name); |
attila@1539 | 256 | } |
attila@1539 | 257 | // Case insensitive sorting, so e.g. "Object" doesn't come before "boolean". |
attila@1539 | 258 | final Collator collator = Collator.getInstance(); |
attila@1539 | 259 | collator.setStrength(Collator.SECONDARY); |
attila@1539 | 260 | Collections.sort(names, collator); |
attila@1539 | 261 | |
attila@1539 | 262 | final String className = getClass().getName(); |
attila@1539 | 263 | // Class name length + length of signatures + 2 chars/per signature for indentation and newline + |
attila@1539 | 264 | // 3 for brackets and initial newline |
attila@1539 | 265 | final int totalLength = className.length() + len + 2 * names.size() + 3; |
attila@1539 | 266 | final StringBuilder b = new StringBuilder(totalLength); |
attila@1539 | 267 | b.append('[').append(className).append('\n'); |
attila@1539 | 268 | for(final String name: names) { |
attila@1539 | 269 | b.append(' ').append(name).append('\n'); |
attila@1539 | 270 | } |
attila@1539 | 271 | b.append(']'); |
attila@1539 | 272 | assert b.length() == totalLength; |
attila@1539 | 273 | return b.toString(); |
attila@1539 | 274 | }; |
attila@1539 | 275 | |
aoqi@0 | 276 | ClassLoader getClassLoader() { |
aoqi@0 | 277 | return classLoader; |
aoqi@0 | 278 | } |
aoqi@0 | 279 | |
attila@962 | 280 | private static boolean isApplicableDynamically(final LinkerServices linkerServices, final MethodType callSiteType, |
attila@962 | 281 | final SingleDynamicMethod m) { |
aoqi@0 | 282 | final MethodType methodType = m.getMethodType(); |
aoqi@0 | 283 | final boolean varArgs = m.isVarArgs(); |
aoqi@0 | 284 | final int fixedArgLen = methodType.parameterCount() - (varArgs ? 1 : 0); |
aoqi@0 | 285 | final int callSiteArgLen = callSiteType.parameterCount(); |
aoqi@0 | 286 | |
aoqi@0 | 287 | // Arity checks |
aoqi@0 | 288 | if(varArgs) { |
aoqi@0 | 289 | if(callSiteArgLen < fixedArgLen) { |
aoqi@0 | 290 | return false; |
aoqi@0 | 291 | } |
aoqi@0 | 292 | } else if(callSiteArgLen != fixedArgLen) { |
aoqi@0 | 293 | return false; |
aoqi@0 | 294 | } |
aoqi@0 | 295 | |
aoqi@0 | 296 | // Fixed arguments type checks, starting from 1, as receiver type doesn't participate |
aoqi@0 | 297 | for(int i = 1; i < fixedArgLen; ++i) { |
aoqi@0 | 298 | if(!isApplicableDynamically(linkerServices, callSiteType.parameterType(i), methodType.parameterType(i))) { |
aoqi@0 | 299 | return false; |
aoqi@0 | 300 | } |
aoqi@0 | 301 | } |
aoqi@0 | 302 | if(!varArgs) { |
aoqi@0 | 303 | // Not vararg; both arity and types matched. |
aoqi@0 | 304 | return true; |
aoqi@0 | 305 | } |
aoqi@0 | 306 | |
aoqi@0 | 307 | final Class<?> varArgArrayType = methodType.parameterType(fixedArgLen); |
aoqi@0 | 308 | final Class<?> varArgType = varArgArrayType.getComponentType(); |
aoqi@0 | 309 | |
aoqi@0 | 310 | if(fixedArgLen == callSiteArgLen - 1) { |
aoqi@0 | 311 | // Exactly one vararg; check both array type matching and array component type matching. |
aoqi@0 | 312 | final Class<?> callSiteArgType = callSiteType.parameterType(fixedArgLen); |
aoqi@0 | 313 | return isApplicableDynamically(linkerServices, callSiteArgType, varArgArrayType) |
aoqi@0 | 314 | || isApplicableDynamically(linkerServices, callSiteArgType, varArgType); |
aoqi@0 | 315 | } |
aoqi@0 | 316 | |
aoqi@0 | 317 | // Either zero, or more than one vararg; check if all actual vararg types match the vararg array component type. |
aoqi@0 | 318 | for(int i = fixedArgLen; i < callSiteArgLen; ++i) { |
aoqi@0 | 319 | if(!isApplicableDynamically(linkerServices, callSiteType.parameterType(i), varArgType)) { |
aoqi@0 | 320 | return false; |
aoqi@0 | 321 | } |
aoqi@0 | 322 | } |
aoqi@0 | 323 | |
aoqi@0 | 324 | return true; |
aoqi@0 | 325 | } |
aoqi@0 | 326 | |
attila@962 | 327 | private static boolean isApplicableDynamically(final LinkerServices linkerServices, final Class<?> callSiteType, |
attila@962 | 328 | final Class<?> methodType) { |
aoqi@0 | 329 | return TypeUtilities.isPotentiallyConvertible(callSiteType, methodType) |
aoqi@0 | 330 | || linkerServices.canConvert(callSiteType, methodType); |
aoqi@0 | 331 | } |
aoqi@0 | 332 | |
attila@962 | 333 | private ApplicableOverloadedMethods getApplicables(final MethodType callSiteType, final ApplicabilityTest test) { |
aoqi@0 | 334 | return new ApplicableOverloadedMethods(methods, callSiteType, test); |
aoqi@0 | 335 | } |
aoqi@0 | 336 | |
aoqi@0 | 337 | /** |
aoqi@0 | 338 | * Add a method to this overloaded method's set. |
aoqi@0 | 339 | * |
aoqi@0 | 340 | * @param method a method to add |
aoqi@0 | 341 | */ |
attila@962 | 342 | public void addMethod(final SingleDynamicMethod method) { |
attila@963 | 343 | assert constructorFlagConsistent(method); |
aoqi@0 | 344 | methods.add(method); |
aoqi@0 | 345 | } |
attila@963 | 346 | |
attila@963 | 347 | private boolean constructorFlagConsistent(final SingleDynamicMethod method) { |
attila@963 | 348 | return methods.isEmpty()? true : (methods.getFirst().isConstructor() == method.isConstructor()); |
attila@963 | 349 | } |
aoqi@0 | 350 | } |