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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2003 Ondrej Lhotak
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.io.Closeable;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.FileSystem;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.ProviderNotFoundException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import soot.coffi.Utf8_Enumeration;
import soot.dava.internal.SET.SETBasicBlock;
import soot.dava.internal.SET.SETNode;
import soot.dexpler.DalvikThrowAnalysis;
import soot.jimple.spark.pag.MethodPAG;
import soot.jimple.spark.pag.Parm;
import soot.jimple.spark.sets.P2SetFactory;
import soot.jimple.toolkits.annotation.arraycheck.Array2ndDimensionSymbol;
import soot.jimple.toolkits.pointer.UnionFactory;
import soot.jimple.toolkits.pointer.util.NativeHelper;
import soot.jimple.toolkits.typing.ClassHierarchy;
import soot.toolkits.astmetrics.ClassData;
import soot.toolkits.scalar.Pair;
/** A class to group together all the global variables in Soot. */
public class G extends Singletons {
public G() {
initJdk(G.getJdkInfoFromEnvironment());
}
public JreInfo getJdkInfo() {
return jreInfo;
}
public static interface GlobalObjectGetter {
public G getG();
public void reset();
}
public static G v() {
return objectGetter.getG();
}
public static void reset() {
objectGetter.reset();
}
private static GlobalObjectGetter objectGetter = new GlobalObjectGetter() {
private G instance = new G();
@Override
public G getG() {
return instance;
}
@Override
public void reset() {
try {
for (Closeable openResource : instance.openResources) {
openResource.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
instance = new G();
}
};
public static void setGlobalObjectGetter(GlobalObjectGetter newGetter) {
objectGetter = newGetter;
}
/**
* Deprecated use logging via slf4j instead
*/
@Deprecated
public PrintStream out = System.out;
public class Global {
}
private List<Closeable> openResources = new LinkedList<>();
public static class JreInfo {
private final String path;
private final int version;
public JreInfo(String path, int version) {
this.path = path;
this.version = version;
}
public String getPath() {
return path;
}
public int getVersion() {
return version;
}
}
private JreInfo jreInfo;
private static JreInfo getJdkInfoFromEnvironment() {
String version = System.getProperty("java.version");
if (version.startsWith("1.")) {
version = version.substring(2, 3);
} else {
int dot = version.indexOf(".");
if (dot != -1) {
version = version.substring(0, dot);
}
}
int ver = Integer.parseInt(version);
return new JreInfo(System.getProperty("java.home"), ver);
}
public FileSystem jdkFileSystem;
public void initJdk(JreInfo jreInfo) {
this.jreInfo = jreInfo;
if (jreInfo.version >= 9) {
try {
try {
jdkFileSystem = FileSystems.newFileSystem(
URI.create("jrt:/"),
Collections.singletonMap("java.home", jreInfo.path)
);
} catch (ProviderNotFoundException e) { // we are running under java 8 and the target code is >= 9
Path pathToJre = Paths.get(jreInfo.getPath());
Path p = pathToJre.resolve("lib").resolve("jrt-fs.jar");
if (Files.exists(p)) {
URLClassLoader loader = new URLClassLoader(new URL[]{p.toUri().toURL()});
jdkFileSystem = FileSystems.newFileSystem(URI.create("jrt:/"),
Collections.emptyMap(),
loader);
openResources.add(loader);
} else {
throw new FileSystemNotFoundException("Can't find " + p);
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}
openResources.add(jdkFileSystem);
}
}
public long coffi_BasicBlock_ids = 0;
public Utf8_Enumeration coffi_CONSTANT_Utf8_info_e1 = new Utf8_Enumeration();
public Utf8_Enumeration coffi_CONSTANT_Utf8_info_e2 = new Utf8_Enumeration();
public int SETNodeLabel_uniqueId = 0;
public HashMap<SETNode, SETBasicBlock> SETBasicBlock_binding = new HashMap<SETNode, SETBasicBlock>();
public boolean ASTAnalysis_modified;
public NativeHelper NativeHelper_helper = null;
public P2SetFactory newSetFactory;
public P2SetFactory oldSetFactory;
public Map<Pair<SootMethod, Integer>, Parm> Parm_pairToElement = new HashMap<Pair<SootMethod, Integer>, Parm>();
public int SparkNativeHelper_tempVar = 0;
public int PaddleNativeHelper_tempVar = 0;
public boolean PointsToSetInternal_warnedAlready = false;
public HashMap<SootMethod, MethodPAG> MethodPAG_methodToPag = new HashMap<SootMethod, MethodPAG>();
public Set MethodRWSet_allGlobals = new HashSet();
public Set MethodRWSet_allFields = new HashSet();
public int GeneralConstObject_counter = 0;
public UnionFactory Union_factory = null;
public HashMap<Object, Array2ndDimensionSymbol> Array2ndDimensionSymbol_pool
= new HashMap<Object, Array2ndDimensionSymbol>();
public List<Timer> Timer_outstandingTimers = new ArrayList<Timer>();
public boolean Timer_isGarbageCollecting;
public Timer Timer_forcedGarbageCollectionTimer = new Timer("gc");
public int Timer_count;
public final Map<Scene, ClassHierarchy> ClassHierarchy_classHierarchyMap = new HashMap<Scene, ClassHierarchy>();
public final Map<MethodContext, MethodContext> MethodContext_map = new HashMap<MethodContext, MethodContext>();
public DalvikThrowAnalysis interproceduralDalvikThrowAnalysis = null;
public DalvikThrowAnalysis interproceduralDalvikThrowAnalysis() {
if (this.interproceduralDalvikThrowAnalysis == null) {
this.interproceduralDalvikThrowAnalysis = new DalvikThrowAnalysis(g, true);
}
return this.interproceduralDalvikThrowAnalysis;
}
public boolean ASTTransformations_modified;
/*
* 16th Feb 2006 Nomair The AST transformations are unfortunately non-monotonic. Infact one transformation on each
* iteration simply reverses the bodies of an if-else To make the remaining transformations monotonic this transformation
* is handled with a separate flag...clumsy but works
*/
public boolean ASTIfElseFlipped;
/*
* Nomair A. Naeem January 15th 2006 Added For Dava.toolkits.AST.transformations.SuperFirstStmtHandler
*
* The SootMethodAddedByDava is checked by the PackManager after decompiling methods for a class. If any additional methods
* were added by the decompiler (refer to filer SuperFirstStmtHandler) SootMethodsAdded ArrayList contains these method.
* These methods are then added to the SootClass
*
* Some of these newly added methods make use of an object of a static inner class DavaSuperHandler which is to be output
* in the decompilers output. The class is marked to need a DavaSuperHandlerClass by adding it into the
* SootClassNeedsDavaSuperHandlerClass list. The DavaPrinter when printing out the class checks this list and if this
* class's name exists in the list prints out an implementation of DavSuperHandler
*/
public boolean SootMethodAddedByDava;
public ArrayList<SootClass> SootClassNeedsDavaSuperHandlerClass = new ArrayList<SootClass>();
public ArrayList<SootMethod> SootMethodsAdded = new ArrayList<SootMethod>();
// ASTMetrics Data
public ArrayList<ClassData> ASTMetricsData = new ArrayList<ClassData>();
public void resetSpark() {
// We reset SPARK the hard way.
for (Method m : getClass().getSuperclass().getDeclaredMethods()) {
if (m.getName().startsWith("release_soot_jimple_spark_")) {
try {
m.invoke(this);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
} catch (IllegalArgumentException e) {
throw new RuntimeException(e);
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}
// Reset some other stuff directly in this class
MethodPAG_methodToPag.clear();
MethodRWSet_allFields.clear();
MethodRWSet_allGlobals.clear();
newSetFactory = null;
oldSetFactory = null;
Parm_pairToElement.clear();
// We need to reset the virtual call resolution table
release_soot_jimple_toolkits_callgraph_VirtualCalls();
}
}