1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.lib.jittester.factories;
  25 
  26 import java.util.Iterator;
  27 import java.util.LinkedList;
  28 import jdk.test.lib.jittester.IRNode;
  29 import jdk.test.lib.jittester.ProductionFailedException;
  30 import jdk.test.lib.jittester.ProductionParams;
  31 import jdk.test.lib.jittester.Symbol;
  32 import jdk.test.lib.jittester.SymbolTable;
  33 import jdk.test.lib.jittester.Type;
  34 import jdk.test.lib.jittester.TypeList;
  35 import jdk.test.lib.jittester.classes.Interface;
  36 import jdk.test.lib.jittester.functions.FunctionInfo;
  37 import jdk.test.lib.jittester.types.TypeKlass;
  38 import jdk.test.lib.jittester.utils.PseudoRandom;
  39 
  40 class InterfaceFactory extends Factory<Interface> {
  41     private final String name;
  42     private final int memberFunctionsLimit;
  43     private final int memberFunctionsArgLimit;
  44     private final int level;
  45     private TypeKlass parent = null;
  46 
  47     InterfaceFactory(String name, int memberFunctionsLimit, int memberFuncArgLimit, int lvl) {
  48         this.name = name;
  49         this.memberFunctionsLimit = memberFunctionsLimit;
  50         this.memberFunctionsArgLimit = memberFuncArgLimit;
  51         this.level = lvl;
  52     }
  53 
  54     @Override
  55     public Interface produce() throws ProductionFailedException {
  56         TypeKlass thisKlass;
  57         // Do we want to inherit something?
  58         if (!ProductionParams.disableInheritance.value()) {
  59             // Grab all Klasses from the TypeList and select one to be a parent
  60             LinkedList<Type> types = new LinkedList<>(TypeList.getAll());
  61             for (Iterator<Type> i = types.iterator(); i.hasNext();) {
  62                 Type klass = i.next();
  63                 if (!(klass instanceof TypeKlass) || !((TypeKlass) klass).isInterface()) {
  64                     i.remove();
  65                 }
  66             }
  67             PseudoRandom.shuffle(types);
  68             if (!types.isEmpty()) {
  69                 parent = (TypeKlass) types.getFirst();
  70             }
  71         }
  72         thisKlass = new TypeKlass(name, TypeKlass.INTERFACE);
  73         if (parent != null) {
  74             thisKlass.addParent(parent.getName());
  75             thisKlass.setParent(parent);
  76             parent.addChild(name);
  77             for (Symbol symbol : SymbolTable.getAllCombined(parent, FunctionInfo.class)) {
  78                 FunctionInfo functionInfo = (FunctionInfo) symbol.deepCopy();
  79                 functionInfo.owner = thisKlass;
  80                 functionInfo.argTypes.get(0).type = thisKlass;
  81                 SymbolTable.add(functionInfo);
  82             }
  83         }
  84         IRNode functionDeclarations = null;
  85         try {
  86             functionDeclarations = new IRNodeBuilder().setOwnerKlass(thisKlass)
  87                     .setMemberFunctionsLimit(memberFunctionsLimit)
  88                     .setMemberFunctionsArgLimit(memberFunctionsArgLimit)
  89                     .setLevel(level + 1)
  90                     .getFunctionDeclarationBlockFactory()
  91                     .produce();
  92         } finally {
  93             TypeList.add(thisKlass);
  94         }
  95         return new Interface(parent, name, level, functionDeclarations);
  96     }
  97 }