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.OperatorKind;
  28 import jdk.test.lib.jittester.ProductionFailedException;
  29 import jdk.test.lib.jittester.ProductionLimiter;
  30 import jdk.test.lib.jittester.ProductionParams;
  31 import jdk.test.lib.jittester.Rule;
  32 import jdk.test.lib.jittester.Type;;
  33 import jdk.test.lib.jittester.types.TypeKlass;
  34 
  35 class ExpressionFactory extends SafeFactory {
  36     private final Rule rule;
  37 
  38     ExpressionFactory(long complexityLimit, int operatorLimit, TypeKlass ownerClass, Type resultType,
  39             boolean exceptionSafe, boolean noconsts) throws ProductionFailedException {
  40         IRNodeBuilder builder = new IRNodeBuilder()
  41                 .setComplexityLimit(complexityLimit)
  42                 .setOperatorLimit(operatorLimit)
  43                 .setOwnerKlass(ownerClass)
  44                 .setResultType(resultType)
  45                 .setExceptionSafe(exceptionSafe)
  46                 .setNoConsts(noconsts);
  47         rule = new Rule("expression");
  48         if (!noconsts) {
  49             rule.add("literal", builder.getLiteralFactory());
  50             rule.add("constant", builder.setIsConstant(true)
  51                     .setIsInitialized(true)
  52                     //.setVariableType(resultType)
  53                     .getVariableFactory());
  54         }
  55         rule.add("variable", builder.setIsConstant(false).setIsInitialized(true).getVariableFactory());
  56         if (operatorLimit > 0 && complexityLimit > 0) {
  57             rule.add("cast", builder.getCastOperatorFactory(), 0.1);
  58             rule.add("arithmetic", builder.getArithmeticOperatorFactory());
  59             rule.add("logic", builder.getLogicOperatorFactory());
  60             rule.add("bitwise", new BitwiseOperatorFactory(complexityLimit, operatorLimit, ownerClass,
  61                     resultType, exceptionSafe, noconsts));
  62             rule.add("assignment", builder.getAssignmentOperatorFactory());
  63             rule.add("ternary", builder.getTernaryOperatorFactory());
  64             rule.add("function", builder.getFunctionFactory(), 0.1);
  65             rule.add("str_plus", builder.setOperatorKind(OperatorKind.STRADD).getBinaryOperatorFactory());
  66             if (!ProductionParams.disableArrays.value() && !exceptionSafe) {
  67                 //rule.add("array_creation", builder.getArrayCreationFactory());
  68                 rule.add("array_element", builder.getArrayElementFactory());
  69                 rule.add("array_extraction", builder.getArrayExtractionFactory());
  70             }
  71         }
  72     }
  73 
  74     @Override
  75     protected IRNode sproduce() throws ProductionFailedException {
  76         ProductionLimiter.limitProduction();
  77         return rule.produce();
  78     }
  79 }