public void outANonstaticInvokeExpr(ANonstaticInvokeExpr node) {
List args;
if (node.getArgList() != null) args = (List) mProductions.removeLast();
else args = new ArrayList();
SootMethodRef method = (SootMethodRef) mProductions.removeLast();
String local = (String) mProductions.removeLast();
Local l = (Local) mLocals.get(local);
if (l == null) throw new RuntimeException("did not find local: " + local);
Node invokeType = (Node) node.getNonstaticInvoke();
Expr invokeExpr;
if (invokeType instanceof ASpecialNonstaticInvoke) {
invokeExpr = Jimple.v().newSpecialInvokeExpr(l, method, args);
} else if (invokeType instanceof AVirtualNonstaticInvoke) {
invokeExpr = Jimple.v().newVirtualInvokeExpr(l, method, args);
} else {
if (debug)
if (!(invokeType instanceof AInterfaceNonstaticInvoke))
throw new RuntimeException("expected interface invoke.");
invokeExpr = Jimple.v().newInterfaceInvokeExpr(l, method, args);
}
mProductions.addLast(invokeExpr);
}
public void outALookupswitchStatement(ALookupswitchStatement node) {
List lookupValues = new ArrayList();
List targets = new ArrayList();
UnitBox defaultTarget = null;
if (node.getCaseStmt() != null) {
int size = node.getCaseStmt().size();
for (int i = 0; i < size; i++) {
Object valueTargetPair = mProductions.removeLast();
if (valueTargetPair instanceof UnitBox) {
if (defaultTarget != null)
throw new RuntimeException("error: can't ;have more than 1 default stmt");
defaultTarget = (UnitBox) valueTargetPair;
} else {
Object[] pair = (Object[]) valueTargetPair;
lookupValues.add(0, pair[0]);
targets.add(0, pair[1]);
}
}
} else {
throw new RuntimeException("error: switch stmt has no case stmts");
}
Value key = (Value) mProductions.removeLast();
Unit switchStmt = Jimple.v().newLookupSwitchStmt(key, lookupValues, targets, defaultTarget);
mProductions.addLast(switchStmt);
}
public void outAAssignStatement(AAssignStatement node) {
Value rvalue = (Value) mProductions.removeLast();
Value variable = (Value) mProductions.removeLast();
Unit u = Jimple.v().newAssignStmt(variable, rvalue);
mProductions.addLast(u);
}
public void outAIdentityNoTypeStatement(AIdentityNoTypeStatement node) {
mProductions.removeLast(); // get rid of @caughtexception string presently on top of the stack
Value local =
(Value) mLocals.get(mProductions.removeLast()); // the local ref from it's identifier
Unit u = Jimple.v().newIdentityStmt(local, Jimple.v().newCaughtExceptionRef());
mProductions.addLast(u);
}
public void outAArrayRef(AArrayRef node) {
Value immediate = (Value) mProductions.removeLast();
String identifier = (String) mProductions.removeLast();
Local l = (Local) mLocals.get(identifier);
if (l == null) throw new RuntimeException("did not find local: " + identifier);
mProductions.addLast(Jimple.v().newArrayRef(l, immediate));
}
public void outABinopExpr(ABinopExpr node) {
Value right = (Value) mProductions.removeLast();
BinopExpr expr = (BinopExpr) mProductions.removeLast();
Value left = (Value) mProductions.removeLast();
expr.setOp1(left);
expr.setOp2(right);
mProductions.addLast(expr);
}
public void outALocalFieldRef(ALocalFieldRef node) {
SootFieldRef field = (SootFieldRef) mProductions.removeLast();
String local = (String) mProductions.removeLast();
Local l = (Local) mLocals.get(local);
if (l == null) throw new RuntimeException("did not find local: " + local);
mProductions.addLast(Jimple.v().newInstanceFieldRef(l, field));
}
public void outAIfStatement(AIfStatement node) {
String targetLabel = (String) mProductions.removeLast();
Value condition = (Value) mProductions.removeLast();
UnitBox box = Jimple.v().newStmtBox(null);
Unit u = Jimple.v().newIfStmt(condition, box);
addBoxToPatch(targetLabel, box);
mProductions.addLast(u);
}
/*
member =
{field} modifier* type name semicolon |
{method} modifier* type name l_paren parameter_list? r_paren throws_clause? method_body;
*/
public void outAFieldMember(AFieldMember node) {
int modifier = 0;
Type type = null;
String name = null;
name = (String) mProductions.removeLast();
type = (Type) mProductions.removeLast();
modifier = processModifiers(node.getModifier());
SootField f = new SootField(name, type, modifier);
mSootClass.addField(f);
}
public void outAFieldSignature(AFieldSignature node) {
String className, fieldName;
Type t;
fieldName = (String) mProductions.removeLast();
t = (Type) mProductions.removeLast();
className = (String) mProductions.removeLast();
SootClass cl = mResolver.makeClassRef(className);
SootFieldRef field = Scene.v().makeFieldRef(cl, fieldName, t, false);
mProductions.addLast(field);
}
public void outADeclaration(ADeclaration node) {
List localNameList = (List) mProductions.removeLast();
Type type = (Type) mProductions.removeLast();
Iterator it = localNameList.iterator();
List localList = new ArrayList();
while (it.hasNext()) {
Local l = Jimple.v().newLocal((String) it.next(), type);
mLocals.put(l.getName(), l);
localList.add(l);
}
mProductions.addLast(localList);
}
public void outAFullIdentNonvoidType(AFullIdentNonvoidType node) {
String typeName = (String) mProductions.removeLast();
Type t = RefType.v(typeName);
int dim = node.getArrayBrackets().size();
if (dim > 0) t = ArrayType.v(t, dim);
mProductions.addLast(t);
}
public void outALocalImmediate(ALocalImmediate node) {
String local = (String) mProductions.removeLast();
Local l = (Local) mLocals.get(local);
if (l == null) throw new RuntimeException("did not find local: " + local);
mProductions.addLast(l);
}
public void outAInvokeStatement(AInvokeStatement node) {
Value op = (Value) mProductions.removeLast();
Unit u = Jimple.v().newInvokeStmt(op);
mProductions.addLast(u);
}
/*
method_signature =
cmplt [class_name]:class_name [first]:colon type [method_name]:name l_paren parameter_list? r_paren cmpgt;
*/
public void outAMethodSignature(AMethodSignature node) {
String className, methodName;
List parameterList = new ArrayList();
Type returnType;
if (node.getParameterList() != null) parameterList = (List) mProductions.removeLast();
methodName = (String) mProductions.removeLast();
Type type = (Type) mProductions.removeLast();
className = (String) mProductions.removeLast();
SootClass sootClass = mResolver.makeClassRef(className);
SootMethodRef sootMethod =
Scene.v().makeMethodRef(sootClass, methodName, parameterList, type, false);
mProductions.addLast(sootMethod);
}
/*
case_label =
{constant} case minus? integer_constant |
{default} default;
*/
public void outAConstantCaseLabel(AConstantCaseLabel node) {
String s = (String) mProductions.removeLast();
int sign = 1;
if (node.getMinus() != null) sign = -1;
if (s.endsWith("L")) {
mProductions.addLast(LongConstant.v(sign * Long.parseLong(s.substring(0, s.length() - 1))));
} else mProductions.addLast(IntConstant.v(sign * Integer.parseInt(s)));
}
public void outAStaticInvokeExpr(AStaticInvokeExpr node) {
List args;
if (node.getArgList() != null) args = (List) mProductions.removeLast();
else args = new ArrayList();
SootMethodRef method = (SootMethodRef) mProductions.removeLast();
method =
Scene.v()
.makeMethodRef(
method.declaringClass(),
method.name(),
method.parameterTypes(),
method.returnType(),
true);
mProductions.addLast(Jimple.v().newStaticInvokeExpr(method, args));
}
public void outAGotoStatement(AGotoStatement node) {
String targetLabel = (String) mProductions.removeLast();
UnitBox box = Jimple.v().newStmtBox(null);
Unit branch = Jimple.v().newGotoStmt(box);
addBoxToPatch(targetLabel, box);
mProductions.addLast(branch);
}
public void outAMultiNewExpr(AMultiNewExpr node) {
LinkedList arrayDesc = node.getArrayDescriptor();
int descCnt = arrayDesc.size();
List sizes = new LinkedList();
Iterator it = arrayDesc.iterator();
while (it.hasNext()) {
AArrayDescriptor o = (AArrayDescriptor) it.next();
if (o.getImmediate() != null) sizes.add(0, (Value) mProductions.removeLast());
else break;
}
Type type = (Type) mProductions.removeLast();
ArrayType arrayType = ArrayType.v(type, descCnt);
mProductions.addLast(Jimple.v().newNewMultiArrayExpr(arrayType, sizes));
}
/*
case_stmt =
case_label colon goto_stmt;
*/
public void outACaseStmt(ACaseStmt node) {
String labelName = (String) mProductions.removeLast();
UnitBox box = Jimple.v().newStmtBox(null);
addBoxToPatch(labelName, box);
Value labelValue = null;
if (node.getCaseLabel() instanceof AConstantCaseLabel)
labelValue = (Value) mProductions.removeLast();
// if labelValue == null, this is the default label.
if (labelValue == null) mProductions.addLast(box);
else {
Object[] valueTargetPair = new Object[2];
valueTargetPair[0] = labelValue;
valueTargetPair[1] = box;
mProductions.addLast(valueTargetPair);
}
}
public void outACatchClause(ACatchClause node) {
String exceptionName;
UnitBox withUnit, fromUnit, toUnit;
withUnit = Jimple.v().newStmtBox(null);
addBoxToPatch((String) mProductions.removeLast(), withUnit);
toUnit = Jimple.v().newStmtBox(null);
addBoxToPatch((String) mProductions.removeLast(), toUnit);
fromUnit = Jimple.v().newStmtBox(null);
addBoxToPatch((String) mProductions.removeLast(), fromUnit);
exceptionName = (String) mProductions.removeLast();
Trap trap =
Jimple.v().newTrap(mResolver.makeClassRef(exceptionName), fromUnit, toUnit, withUnit);
mProductions.addLast(trap);
}
public void outAIdentityStatement(AIdentityStatement node) {
Type identityRefType = (Type) mProductions.removeLast();
String atClause = (String) mProductions.removeLast();
Value local =
(Value) mLocals.get(mProductions.removeLast()); // the local ref from it's identifier
Value ref = null;
if (atClause.startsWith("@this")) {
ref = Jimple.v().newThisRef((RefType) identityRefType);
} else if (atClause.startsWith("@parameter")) {
int index = Integer.parseInt(atClause.substring(10, atClause.length() - 1));
ref = Jimple.v().newParameterRef(identityRefType, index);
} else
throw new RuntimeException(
"shouldn't @caughtexception be handled by outAIdentityNoTypeStatement: got" + atClause);
Unit u = Jimple.v().newIdentityStmt(local, ref);
mProductions.addLast(u);
}
public void outAIntegerConstant(AIntegerConstant node) {
String s = (String) mProductions.removeLast();
StringBuffer buf = new StringBuffer();
if (node.getMinus() != null) buf.append('-');
buf.append(s);
s = buf.toString();
if (s.endsWith("L")) {
mProductions.addLast(LongConstant.v(Long.parseLong(s.substring(0, s.length() - 1))));
} else mProductions.addLast(IntConstant.v(Integer.parseInt(s)));
}
public void outAReturnStatement(AReturnStatement node) {
Value v;
Stmt s = null;
if (node.getImmediate() != null) {
v = (Value) mProductions.removeLast();
s = Jimple.v().newReturnStmt(v);
} else {
s = Jimple.v().newReturnVoidStmt();
}
mProductions.addLast(s);
}
public void outAMethodMember(AMethodMember node) {
int modifier = 0;
Type type;
String name;
List parameterList = null;
List throwsClause = null;
JimpleBody methodBody = null;
if (node.getMethodBody() instanceof AFullMethodBody)
methodBody = (JimpleBody) mProductions.removeLast();
if (node.getThrowsClause() != null) throwsClause = (List) mProductions.removeLast();
if (node.getParameterList() != null) {
parameterList = (List) mProductions.removeLast();
} else {
parameterList = new ArrayList();
}
Object o = mProductions.removeLast();
name = (String) o;
type = (Type) mProductions.removeLast();
modifier = processModifiers(node.getModifier());
SootMethod method;
if (throwsClause != null)
method = new SootMethod(name, parameterList, type, modifier, throwsClause);
else method = new SootMethod(name, parameterList, type, modifier);
mSootClass.addMethod(method);
if (method.isConcrete()) {
methodBody.setMethod(method);
method.setActiveBody(methodBody);
} else if (node.getMethodBody() instanceof AFullMethodBody)
throw new RuntimeException("Impossible: !concrete => ! instanceof");
}
public void outAFile(AFile node) {
// not not pop members; they have been taken care of.
List implementsList = null;
String superClass = null;
String classType = null;
if (node.getImplementsClause() != null) {
implementsList = (List) mProductions.removeLast();
}
if (node.getExtendsClause() != null) {
superClass = (String) mProductions.removeLast();
}
classType = (String) mProductions.removeLast();
int modifierCount = node.getModifier().size();
int modifierFlags = processModifiers(node.getModifier());
if (classType.equals("interface")) modifierFlags |= Modifier.INTERFACE;
mSootClass.setModifiers(modifierFlags);
if (superClass != null) {
mSootClass.setSuperclass(mResolver.makeClassRef(superClass));
}
if (implementsList != null) {
Iterator implIt = implementsList.iterator();
while (implIt.hasNext()) {
SootClass interfaceClass = mResolver.makeClassRef((String) implIt.next());
mSootClass.addInterface(interfaceClass);
}
}
mProductions.addLast(mSootClass);
}
public void outAStringConstant(AStringConstant node) {
String s = (String) mProductions.removeLast();
mProductions.addLast(StringConstant.v(s));
/*
try {
String t = StringTools.getUnEscapedStringOf(s);
mProductions.push(StringConstant.v(t));
} catch(RuntimeException e) {
G.v().out.println(s);
throw e;
}
*/
}
/*
throws_clause =
throws class_name_list;
*/
public void outAThrowsClause(AThrowsClause node) {
List l = (List) mProductions.removeLast();
Iterator it = l.iterator();
List exceptionClasses = new ArrayList(l.size());
while (it.hasNext()) {
String className = (String) it.next();
exceptionClasses.add(mResolver.makeClassRef(className));
}
mProductions.addLast(exceptionClasses);
}
public void outATableswitchStatement(ATableswitchStatement node) {
List targets = new ArrayList();
UnitBox defaultTarget = null;
int lowIndex = 0, highIndex = 0;
if (node.getCaseStmt() != null) {
int size = node.getCaseStmt().size();
for (int i = 0; i < size; i++) {
Object valueTargetPair = mProductions.removeLast();
if (valueTargetPair instanceof UnitBox) {
if (defaultTarget != null)
throw new RuntimeException("error: can't ;have more than 1 default stmt");
defaultTarget = (UnitBox) valueTargetPair;
} else {
Object[] pair = (Object[]) valueTargetPair;
if ((i == 0 && defaultTarget == null) || (i == 1 && defaultTarget != null))
highIndex = ((IntConstant) pair[0]).value;
if (i == (size - 1)) lowIndex = ((IntConstant) pair[0]).value;
targets.add(0, pair[1]);
}
}
} else {
throw new RuntimeException("error: switch stmt has no case stmts");
}
Value key = (Value) mProductions.removeLast();
Unit switchStmt =
Jimple.v().newTableSwitchStmt(key, lowIndex, highIndex, targets, defaultTarget);
mProductions.addLast(switchStmt);
}
public void caseAFile(AFile node) {
inAFile(node);
{
Object temp[] = node.getModifier().toArray();
for (int i = 0; i < temp.length; i++) {
((PModifier) temp[i]).apply(this);
}
}
if (node.getFileType() != null) {
node.getFileType().apply(this);
}
if (node.getClassName() != null) {
node.getClassName().apply(this);
}
String className = (String) mProductions.removeLast();
if (mSootClass == null) {
mSootClass = new SootClass(className);
mSootClass.setResolvingLevel(SootClass.BODIES);
} else {
if (!mSootClass.getName().equals(className))
throw new RuntimeException(
"Invalid SootClass for this JimpleAST. The SootClass provided is of type: >"
+ mSootClass.getName()
+ "< whereas this parse tree is for type: >"
+ className
+ "<");
}
if (node.getExtendsClause() != null) {
node.getExtendsClause().apply(this);
}
if (node.getImplementsClause() != null) {
node.getImplementsClause().apply(this);
}
if (node.getFileBody() != null) {
node.getFileBody().apply(this);
}
outAFile(node);
}