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 jdk.test.lib.jittester.IRNode;
  27 import jdk.test.lib.jittester.ProductionFailedException;
  28 import jdk.test.lib.jittester.SymbolTable;
  29 import jdk.test.lib.jittester.VariableInfo;
  30 import jdk.test.lib.jittester.functions.StaticConstructorDefinition;
  31 import jdk.test.lib.jittester.types.TypeKlass;
  32 import jdk.test.lib.jittester.types.TypeVoid;
  33 import jdk.test.lib.jittester.utils.PseudoRandom;
  34 
  35 class StaticConstructorDefinitionFactory extends Factory {
  36     private final long complexityLimit;
  37     private final int statementLimit;
  38     private final int operatorLimit;
  39     private final int level;
  40     private final TypeKlass ownerClass;
  41 
  42     StaticConstructorDefinitionFactory(TypeKlass ownerClass, long complexityLimit,
  43             int statementLimit, int operatorLimit, int level) {
  44         this.ownerClass = ownerClass;
  45         this.complexityLimit = complexityLimit;
  46         this.statementLimit = statementLimit;
  47         this.operatorLimit = operatorLimit;
  48         this.level = level;
  49     }
  50 
  51     @Override
  52     public IRNode produce() throws ProductionFailedException {
  53         SymbolTable.push();
  54         IRNode body;
  55         try {
  56             SymbolTable.remove(SymbolTable.get("this", VariableInfo.class));
  57             long complLimit = (long) (PseudoRandom.random() * complexityLimit);
  58             body = new IRNodeBuilder()
  59                     .setOwnerKlass(ownerClass)
  60                     .setResultType(new TypeVoid())
  61                     .setComplexityLimit(complLimit)
  62                     .setStatementLimit(statementLimit)
  63                     .setOperatorLimit(operatorLimit)
  64                     .setLevel(level)
  65                     .setSubBlock(true)
  66                     .setCanHaveBreaks(true)
  67                     .setCanHaveContinues(false)
  68                     .setCanHaveReturn(false)
  69                     .getBlockFactory()
  70                     .produce();
  71         } finally {
  72             SymbolTable.pop();
  73         }
  74         return new StaticConstructorDefinition(body);
  75     }
  76 }