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      1 /*
      2  * Copyright 2016, Google Inc.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 package org.jf.smalidea.dexlib;
     33 
     34 import com.google.common.collect.ImmutableSet;
     35 import com.intellij.psi.PsiClass;
     36 import com.intellij.psi.PsiField;
     37 import com.intellij.psi.PsiModifierList;
     38 import org.jf.dexlib2.AccessFlags;
     39 import org.jf.dexlib2.base.reference.BaseFieldReference;
     40 import org.jf.dexlib2.iface.Annotation;
     41 import org.jf.dexlib2.iface.Field;
     42 import org.jf.dexlib2.iface.value.EncodedValue;
     43 import org.jf.smalidea.psi.impl.SmaliField;
     44 import org.jf.smalidea.util.NameUtils;
     45 
     46 import javax.annotation.Nonnull;
     47 import javax.annotation.Nullable;
     48 import java.util.Set;
     49 
     50 public class SmalideaField extends BaseFieldReference implements Field {
     51     private final PsiField psiField;
     52 
     53     public SmalideaField(PsiField psiField) {
     54         this.psiField = psiField;
     55     }
     56 
     57     @Override public int getAccessFlags() {
     58         if (psiField instanceof SmaliField) {
     59             return ((SmaliField)psiField).getModifierList().getAccessFlags();
     60         } else {
     61             int flags = 0;
     62             PsiModifierList modifierList = psiField.getModifierList();
     63             if (modifierList == null) {
     64                 return flags;
     65             }
     66             if (modifierList.hasModifierProperty("public")) {
     67                 flags |= AccessFlags.PUBLIC.getValue();
     68             } else if (modifierList.hasModifierProperty("protected")) {
     69                 flags |= AccessFlags.PROTECTED.getValue();
     70             } else if (modifierList.hasModifierProperty("private")) {
     71                 flags |= AccessFlags.PRIVATE.getValue();
     72             }
     73 
     74             if (modifierList.hasModifierProperty("static")) {
     75                 flags |= AccessFlags.STATIC.getValue();
     76             }
     77 
     78             if (modifierList.hasModifierProperty("final")) {
     79                 flags |= AccessFlags.FINAL.getValue();
     80             }
     81 
     82             if (modifierList.hasModifierProperty("volatile")) {
     83                 flags |= AccessFlags.VOLATILE.getValue();
     84             }
     85             // TODO: how do we tell if it's an enum?
     86 
     87             return flags;
     88         }
     89     }
     90 
     91     @Nonnull @Override public String getDefiningClass() {
     92         PsiClass containingClass = psiField.getContainingClass();
     93         if (containingClass == null) {
     94             throw new RuntimeException("I don't know what to do here... Is this even possible?");
     95         }
     96         return NameUtils.javaToSmaliType(containingClass);
     97     }
     98 
     99     @Nonnull @Override public String getName() {
    100         return psiField.getNameIdentifier().getText();
    101     }
    102 
    103     @Nonnull @Override public String getType() {
    104         return NameUtils.javaToSmaliType(psiField.getType());
    105     }
    106 
    107     @Nullable @Override public EncodedValue getInitialValue() {
    108         // TODO: implement this. Not needed for method analysis
    109         return null;
    110     }
    111 
    112     @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
    113         // TODO: implement this. Not needed for method analysis
    114         return ImmutableSet.of();
    115     }
    116 }
    117