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.ArrayList; 27 import jdk.test.lib.jittester.IRNode; 28 import jdk.test.lib.jittester.ProductionFailedException; 29 import jdk.test.lib.jittester.ProductionParams; 30 import jdk.test.lib.jittester.Symbol; 31 import jdk.test.lib.jittester.SymbolTable; 32 import jdk.test.lib.jittester.VariableInfo; 33 import jdk.test.lib.jittester.functions.FunctionDefinitionBlock; 34 import jdk.test.lib.jittester.functions.FunctionInfo; 35 import jdk.test.lib.jittester.types.TypeKlass; 36 import jdk.test.lib.jittester.utils.PseudoRandom; 37 38 class FunctionDefinitionBlockFactory extends Factory<FunctionDefinitionBlock> { 39 private final long complexityLimit; 40 private final int statementLimit; 41 private final int operatorLimit; 42 private final int memberFunctionsLimit; 43 private final int memberFunctionsArgLimit; 44 private final int initialFlags; 45 private final int level; 46 private final TypeKlass ownerClass; 47 48 FunctionDefinitionBlockFactory(TypeKlass ownerClass, int memberFunctionsLimit, 49 int memberFunctionsArgLimit, long complexityLimit, int statementLimit, 50 int operatorLimit, int level, int initialFlags) { 51 this.ownerClass = ownerClass; 52 this.memberFunctionsLimit = memberFunctionsLimit; 53 this.memberFunctionsArgLimit = memberFunctionsArgLimit; 54 this.complexityLimit = complexityLimit; 55 this.statementLimit = statementLimit; 56 this.operatorLimit = operatorLimit; 57 this.level = level; 58 this.initialFlags = initialFlags; 59 } 60 61 @Override 62 public FunctionDefinitionBlock produce() throws ProductionFailedException { 63 ArrayList<IRNode> content = new ArrayList<>(); 64 int memFunLimit = (int) (PseudoRandom.random() * memberFunctionsLimit); 65 if (memFunLimit > 0) { 66 long memFunCompl = complexityLimit / memFunLimit; 67 IRNodeBuilder builder = new IRNodeBuilder().setOwnerKlass(ownerClass) 68 .setComplexityLimit(memFunCompl) 69 .setStatementLimit(statementLimit) 70 .setOperatorLimit(operatorLimit) 71 .setMemberFunctionsArgLimit(memberFunctionsArgLimit) 72 .setLevel(level); 73 for (int i = 0; i < memFunLimit; i++) { 74 int flags = initialFlags; 75 if (PseudoRandom.randomBoolean()) { 76 flags |= FunctionInfo.STATIC; 77 } 78 if (!ProductionParams.disableFinalMethods.value() && PseudoRandom.randomBoolean()) { 79 flags |= FunctionInfo.FINAL; 80 } 81 if (PseudoRandom.randomBoolean()) { 82 flags |= FunctionInfo.NONRECURSIVE; 83 } 84 if (PseudoRandom.randomBoolean()) { 85 flags |= FunctionInfo.SYNCHRONIZED; 86 } 87 switch ((int) (PseudoRandom.random() * 4)) { 88 case 0: 89 flags |= FunctionInfo.PRIVATE; 90 break; 91 case 1: 92 flags |= FunctionInfo.PROTECTED; 93 break; 94 case 2: 95 flags |= FunctionInfo.DEFAULT; 96 break; 97 case 3: 98 flags |= FunctionInfo.PUBLIC; 99 break; 100 } 101 Symbol thisSymbol = null; 102 if ((flags & FunctionInfo.STATIC) > 0) { 103 thisSymbol = SymbolTable.get("this", VariableInfo.class); 104 SymbolTable.remove(thisSymbol); 105 } 106 try { 107 content.add(builder.setName("func_" + i) 108 .setFlags(flags) 109 .getFunctionDefinitionFactory() 110 .produce()); 111 } catch (ProductionFailedException e) { 112 } 113 if ((flags & FunctionInfo.STATIC) > 0) { 114 SymbolTable.add(thisSymbol); 115 } 116 } 117 } 118 return new FunctionDefinitionBlock(content, level, ownerClass); 119 } 120 }