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/* Soot - a J*va Optimization Framework
* Copyright (C) 2003 Ondrej Lhotak
*
* 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 soot;
import soot.util.*;
import java.util.*;
/** Returns the various potential entry points of a Java program.
* @author Ondrej Lhotak
*/
public class EntryPoints
{
public EntryPoints( Singletons.Global g ) {}
public static EntryPoints v() { return G.v().soot_EntryPoints(); }
final NumberedString sigMain = Scene.v().getSubSigNumberer().
findOrAdd( "void main(java.lang.String[])" );
final NumberedString sigFinalize = Scene.v().getSubSigNumberer().
findOrAdd( "void finalize()" );
final NumberedString sigExit = Scene.v().getSubSigNumberer().
findOrAdd( "void exit()" );
final NumberedString sigClinit = Scene.v().getSubSigNumberer().
findOrAdd( "void ()" );
final NumberedString sigInit = Scene.v().getSubSigNumberer().
findOrAdd( "void ()" );
final NumberedString sigStart = Scene.v().getSubSigNumberer().
findOrAdd( "void start()" );
final NumberedString sigRun = Scene.v().getSubSigNumberer().
findOrAdd( "void run()" );
final NumberedString sigObjRun = Scene.v().getSubSigNumberer().
findOrAdd( "java.lang.Object run()" );
final NumberedString sigForName = Scene.v().getSubSigNumberer().
findOrAdd( "java.lang.Class forName(java.lang.String)" );
private final void addMethod( List set, SootClass cls, NumberedString methodSubSig ) {
if( cls.declaresMethod( methodSubSig ) ) {
set.add( cls.getMethod( methodSubSig ) );
}
}
private final void addMethod( List set, String methodSig ) {
if( Scene.v().containsMethod( methodSig ) ) {
set.add( Scene.v().getMethod( methodSig ) );
}
}
/** Returns only the application entry points, not including entry points
* invoked implicitly by the VM. */
public List application() {
List ret = new ArrayList();
if(Scene.v().hasMainClass() || !Scene.v().hasCustomEntryPoints())
addMethod( ret, Scene.v().getMainClass(), sigMain );
for (SootMethod clinit : clinitsOf(Scene.v().getMainClass() )) {
ret.add(clinit);
}
return ret;
}
/** Returns only the entry points invoked implicitly by the VM. */
public List implicit() {
List ret = new ArrayList();
addMethod( ret, "" );
addMethod( ret, "()>");
//addMethod( ret, "");
addMethod( ret, "");
addMethod( ret, "");
//addMethod( ret, "");
addMethod( ret, "()>");
addMethod( ret, "");
addMethod( ret, "");
addMethod( ret, "");
addMethod( ret, "");
addMethod( ret, "(java.lang.Exception)>");
//addMethod( ret, "");
addMethod( ret, "");
addMethod( ret, "(java.lang.ThreadGroup,java.lang.Runnable)>");
addMethod( ret, "(java.lang.ThreadGroup,java.lang.String)>");
return ret;
}
/** Returns all the entry points. */
public List all() {
List ret = new ArrayList();
ret.addAll( application() );
ret.addAll( implicit() );
return ret;
}
/** Returns a list of all static initializers. */
public List clinits() {
List ret = new ArrayList();
for( Iterator clIt = Scene.v().getClasses().iterator(); clIt.hasNext(); ) {
final SootClass cl = (SootClass) clIt.next();
addMethod( ret, cl, sigClinit );
}
return ret;
}
/** Returns a list of all constructors taking no arguments. */
public List inits() {
List ret = new ArrayList();
for( Iterator clIt = Scene.v().getClasses().iterator(); clIt.hasNext(); ) {
final SootClass cl = (SootClass) clIt.next();
addMethod( ret, cl, sigInit );
}
return ret;
}
/** Returns a list of all constructors. */
public List allInits() {
List ret = new ArrayList();
for( Iterator clIt = Scene.v().getClasses().iterator(); clIt.hasNext(); ) {
final SootClass cl = (SootClass) clIt.next();
for(SootMethod m: cl.getMethods()) {
if(m.getName().equals("")) {
ret.add(m);
}
}
}
return ret;
}
/** Returns a list of all concrete methods of all application classes. */
public List methodsOfApplicationClasses() {
List ret = new ArrayList();
for( Iterator clIt = Scene.v().getApplicationClasses().iterator(); clIt.hasNext(); ) {
final SootClass cl = (SootClass) clIt.next();
for( Iterator mIt = cl.getMethods().iterator(); mIt.hasNext(); ) {
final SootMethod m = (SootMethod) mIt.next();
if( m.isConcrete() ) ret.add( m );
}
}
return ret;
}
/** Returns a list of all concrete main(String[]) methods of all
* application classes. */
public List mainsOfApplicationClasses() {
List ret = new ArrayList();
for( Iterator clIt = Scene.v().getApplicationClasses().iterator(); clIt.hasNext(); ) {
final SootClass cl = (SootClass) clIt.next();
if( cl.declaresMethod( "void main(java.lang.String[])" ) ) {
SootMethod m = cl.getMethod("void main(java.lang.String[])" );
if( m.isConcrete() ) ret.add( m );
}
}
return ret;
}
/** Returns a list of all clinits of class cl and its superclasses. */
public List clinitsOf( SootClass cl ) {
List ret = new ArrayList();
while(true) {
addMethod( ret, cl, sigClinit );
if( !cl.hasSuperclass() ) break;
cl = cl.getSuperclass();
}
return ret;
}
}
