proguard.analysis.datastructure.callgraph.ConcreteCall Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of proguard-core Show documentation
ProGuardCORE is a free library to read, analyze, modify, and write Java class files.
There is a newer version: 9.1.6
/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2021 Guardsquare NV
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package proguard.analysis.datastructure.callgraph;

import java.util.Collections;
import java.util.List;
import java.util.Objects;
import proguard.analysis.datastructure.CodeLocation;
import proguard.classfile.ClassPool;
import proguard.classfile.Clazz;
import proguard.classfile.Method;
import proguard.classfile.MethodSignature;
import proguard.classfile.Signature;
import proguard.classfile.instruction.Instruction;
import proguard.classfile.visitor.MemberVisitor;
import proguard.evaluation.value.Value;

/**
 * A method call whose target {@link Method} is contained in our {@link ClassPool}.
 *
 * @author Samuel Hopstock
 */
public class ConcreteCall extends Call {

  private final Clazz targetClass;
  private final Method target;

  public ConcreteCall(
      CodeLocation caller,
      Clazz targetClass,
      Method target,
      Value instance,
      List arguments,
      Value returnValue,
      int throwsNullptr,
      Instruction instruction,
      boolean controlFlowDependent,
      boolean runtimeTypeDependent) {
    super(
        caller,
        instance,
        arguments,
        returnValue,
        throwsNullptr,
        instruction,
        controlFlowDependent,
        runtimeTypeDependent);
    this.targetClass = targetClass;
    this.target = target;
  }

  public ConcreteCall(
      CodeLocation caller,
      Clazz targetClass,
      Method target,
      int throwsNullptr,
      Instruction instruction,
      boolean controlFlowDependent,
      boolean runtimeTypeDependent) {
    this(
        caller,
        targetClass,
        target,
        null,
        Collections.emptyList(),
        null,
        throwsNullptr,
        instruction,
        controlFlowDependent,
        runtimeTypeDependent);
  }

  @Override
  public MethodSignature getTarget() {
    return (MethodSignature) Signature.of(targetClass, target);
  }

  @Override
  public boolean hasIncompleteTarget() {
    // Concrete calls by definition know what the target will be.
    return false;
  }

  public Clazz getTargetClass() {
    return targetClass;
  }

  public Method getTargetMethod() {
    return target;
  }

  public void targetMethodAccept(MemberVisitor memberVisitor) {
    if (this.targetClass != null && this.target != null) {
      this.target.accept(this.targetClass, memberVisitor);
    }
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    if (!super.equals(o)) {
      return false;
    }
    ConcreteCall that = (ConcreteCall) o;
    return Objects.equals(targetClass, that.targetClass) && Objects.equals(target, that.target);
  }

  @Override
  public int hashCode() {
    return Objects.hash(super.hashCode(), targetClass, target);
  }
}