1 /*
   2  * Copyright (c) 2005, 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.functions;
  25 
  26 import java.util.ArrayList;
  27 import java.util.Arrays;
  28 
  29 import jdk.test.lib.jittester.Symbol;
  30 import jdk.test.lib.jittester.Type;
  31 import jdk.test.lib.jittester.VariableInfo;
  32 import jdk.test.lib.jittester.types.TypeKlass;
  33 
  34 public class FunctionInfo extends Symbol {
  35     public ArrayList<VariableInfo> argTypes;
  36     public long complexity = 0;
  37     public static final int ABSTRACT = 0x40;
  38     public static final int NONRECURSIVE = 0x80;
  39     public static final int SYNCHRONIZED = 0x100;
  40 
  41     public FunctionInfo() {
  42     }
  43 
  44     public FunctionInfo(String name, TypeKlass ownerClass, Type returnType,
  45             long complexity, int flags, VariableInfo... args) {
  46         super(name, ownerClass, returnType, flags);
  47         argTypes = new ArrayList<>();
  48         argTypes.addAll(Arrays.asList(args));
  49         this.complexity = complexity;
  50     }
  51 
  52     public FunctionInfo(String name, TypeKlass ownerClass, Type returnType,
  53             long complexity, int flags, ArrayList<VariableInfo> args) {
  54         super(name, ownerClass, returnType, flags);
  55         argTypes = args;
  56         this.complexity = complexity;
  57     }
  58 
  59     public FunctionInfo(FunctionInfo value) {
  60         super(value);
  61         argTypes = new ArrayList<>();
  62         for (VariableInfo i : value.argTypes) {
  63             argTypes.add(new VariableInfo(i));
  64         }
  65         complexity = value.complexity;
  66     }
  67 
  68     public boolean isSynchronized() {
  69         return (flags & SYNCHRONIZED) > 0;
  70     }
  71 
  72     @Override
  73     protected Symbol copy() {
  74         return this;
  75     }
  76 
  77     @Override
  78     public Symbol deepCopy() {
  79         return new FunctionInfo(this);
  80     }
  81 
  82     @Override
  83     public boolean equals(Object o) {
  84         if (this == o) {
  85             return true;
  86         }
  87         if (o == null || !(o instanceof FunctionInfo)) {
  88             return false;
  89         }
  90 
  91         try {
  92             FunctionInfo f = (FunctionInfo) o;
  93             return owner.equals(f.owner) && hasEqualSignature(o);
  94         } catch (Exception e) {
  95         }
  96         return false;
  97     }
  98 
  99     protected boolean hasEqualSignature(Object o) {
 100         try {
 101             FunctionInfo f = (FunctionInfo) o;
 102             if (name.equals(f.name)) {
 103                 int i = (flags & STATIC) > 0 ? 0 : 1;
 104                 int j = (f.flags & STATIC) > 0 ? 0 : 1;
 105 
 106                 if (argTypes.size() - i == f.argTypes.size() - j) {
 107                     while (i < argTypes.size() && j < f.argTypes.size()) {
 108                         if (!argTypes.get(i++).type.equals(f.argTypes.get(j++).type)) {
 109                             return false;
 110                         }
 111                     }
 112                     return true;
 113                 }
 114             }
 115         } catch (Exception e) {
 116         }
 117         return false;
 118     }
 119 
 120     public boolean isConstructor() {
 121         return name.equals(owner.getName());
 122     }
 123 
 124     @Override
 125     public int hashCode() {
 126         return name.hashCode();
 127     }
 128 
 129     @Override
 130     public boolean isStatic() {
 131         return (flags & STATIC) > 0;
 132     }
 133 }