/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2003,2004 University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.generic.InstructionHandle;
import edu.umd.cs.findbugs.ba.BasicBlock;
import edu.umd.cs.findbugs.ba.Location;
/**
* The site of a method call.
*/
public class CallSite {
private final Method method;
private final Location location;
/**
* Constructor.
*
* @param method
* the method containing the call site
* @param basicBlock
* the basic block where the call site is located
* @param handle
* the instruction which performs the call
*/
public CallSite(Method method, BasicBlock basicBlock, InstructionHandle handle) {
this.method = method;
this.location = new Location(handle, basicBlock);
}
/**
* Get the method containing the call site.
*/
public Method getMethod() {
return method;
}
/**
* Get the Location (basic block and instruction) where the call site is
* located.
*/
public Location getLocation() {
return location;
}
/**
* Get the basic block where the call site is located.
*/
public BasicBlock getBasicBlock() {
return location.getBasicBlock();
}
/**
* Get the instruction which performs the call.
*/
public InstructionHandle getHandle() {
return location.getHandle();
}
@Override
public int hashCode() {
return System.identityHashCode(method) ^ getBasicBlock().getLabel() ^ System.identityHashCode(location.getHandle());
}
@Override
public boolean equals(Object o) {
if (!(o instanceof CallSite)) {
return false;
}
CallSite other = (CallSite) o;
return method == other.method && getBasicBlock() == other.getBasicBlock() && getHandle() == other.getHandle();
}
}