| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.test.lib.jittester.factories; |
| |
| import java.util.LinkedList; |
| import jdk.test.lib.jittester.IRNode; |
| import jdk.test.lib.jittester.ProductionFailedException; |
| import jdk.test.lib.jittester.ProductionParams; |
| import jdk.test.lib.jittester.Rule; |
| import jdk.test.lib.jittester.Symbol; |
| import jdk.test.lib.jittester.SymbolTable; |
| import jdk.test.lib.jittester.Type; |
| import jdk.test.lib.jittester.TypeList; |
| import jdk.test.lib.jittester.VariableInfo; |
| import jdk.test.lib.jittester.VariableInitialization; |
| import jdk.test.lib.jittester.types.TypeKlass; |
| import jdk.test.lib.jittester.utils.PseudoRandom; |
| |
| class VariableInitializationFactory extends SafeFactory<VariableInitialization> { |
| private final int operatorLimit; |
| private final long complexityLimit; |
| private final boolean constant; |
| private final boolean isStatic; |
| private final boolean isLocal; |
| private final boolean exceptionSafe; |
| private final TypeKlass ownerClass; |
| |
| VariableInitializationFactory(TypeKlass ownerClass, boolean constant, boolean isStatic, |
| boolean isLocal, long complexityLimit, int operatorLimit, boolean exceptionSafe) { |
| this.ownerClass = ownerClass; |
| this.constant = constant; |
| this.isStatic = isStatic; |
| this.isLocal = isLocal; |
| this.complexityLimit = complexityLimit; |
| this.operatorLimit = operatorLimit; |
| this.exceptionSafe = exceptionSafe; |
| } |
| |
| @Override |
| protected VariableInitialization sproduce() throws ProductionFailedException { |
| LinkedList<Type> types = new LinkedList<>(TypeList.getAll()); |
| PseudoRandom.shuffle(types); |
| if (types.isEmpty()) { |
| throw new ProductionFailedException(); |
| } |
| Type resultType = types.getFirst(); |
| IRNodeBuilder b = new IRNodeBuilder().setComplexityLimit(complexityLimit - 1) |
| .setOperatorLimit(operatorLimit - 1) |
| .setOwnerKlass(ownerClass) |
| .setResultType(resultType) |
| .setExceptionSafe(exceptionSafe) |
| .setNoConsts(false); |
| Rule<IRNode> rule = new Rule<>("initializer"); |
| rule.add("literal_initializer", b.getLiteralFactory()); |
| if (!ProductionParams.disableExprInInit.value()) { |
| rule.add("expression", b.getLimitedExpressionFactory()); |
| } |
| Symbol thisSymbol = null; |
| if (isStatic) { |
| thisSymbol = SymbolTable.get("this", VariableInfo.class); |
| SymbolTable.remove(thisSymbol); |
| } |
| IRNode init; |
| try { |
| init = rule.produce(); |
| } finally { |
| if (isStatic) { |
| SymbolTable.add(thisSymbol); |
| } |
| } |
| String resultName = "var_" + SymbolTable.getNextVariableNumber(); |
| int flags = VariableInfo.INITIALIZED; |
| if (constant) { |
| flags |= VariableInfo.FINAL; |
| } |
| if (isStatic) { |
| flags |= VariableInfo.STATIC; |
| } |
| if (isLocal) { |
| flags |= VariableInfo.LOCAL; |
| } |
| VariableInfo varInfo = new VariableInfo(resultName, ownerClass, resultType, flags); |
| SymbolTable.add(varInfo); |
| return new VariableInitialization(varInfo, init); |
| } |
| } |