package soot.JastAddJ;
import java.util.HashSet;import java.util.LinkedHashSet;import java.io.File;import java.util.*;import beaver.*;import java.util.ArrayList;import java.util.zip.*;import java.io.*;import java.io.FileNotFoundException;import java.util.Collection;import soot.*;import soot.util.*;import soot.jimple.*;import soot.coffi.ClassFile;import soot.coffi.method_info;import soot.coffi.CONSTANT_Utf8_info;import soot.tagkit.SourceFileTag;import soot.coffi.CoffiMethodSource;
public class ReturnStmt extends Stmt implements Cloneable {
public void flushCache() {
super.flushCache();
finallyList_computed = false;
finallyList_value = null;
isDAafter_Variable_values = null;
isDUafterReachedFinallyBlocks_Variable_values = null;
isDAafterReachedFinallyBlocks_Variable_values = null;
isDUafter_Variable_values = null;
canCompleteNormally_computed = false;
inSynchronizedBlock_computed = false;
}
public void flushCollectionCache() {
super.flushCollectionCache();
}
@SuppressWarnings({"unchecked", "cast"}) public ReturnStmt clone() throws CloneNotSupportedException {
ReturnStmt node = (ReturnStmt)super.clone();
node.finallyList_computed = false;
node.finallyList_value = null;
node.isDAafter_Variable_values = null;
node.isDUafterReachedFinallyBlocks_Variable_values = null;
node.isDAafterReachedFinallyBlocks_Variable_values = null;
node.isDUafter_Variable_values = null;
node.canCompleteNormally_computed = false;
node.inSynchronizedBlock_computed = false;
node.in$Circle(false);
node.is$Final(false);
return node;
}
@SuppressWarnings({"unchecked", "cast"}) public ReturnStmt copy() {
try {
ReturnStmt node = (ReturnStmt)clone();
if(children != null) node.children = (ASTNode[])children.clone();
return node;
} catch (CloneNotSupportedException e) {
}
System.err.println("Error: Could not clone node of type " + getClass().getName() + "!");
return null;
}
@SuppressWarnings({"unchecked", "cast"}) public ReturnStmt fullCopy() {
ReturnStmt res = (ReturnStmt)copy();
for(int i = 0; i < getNumChildNoTransform(); i++) {
ASTNode node = getChildNoTransform(i);
if(node != null) node = node.fullCopy();
res.setChild(node, i);
}
return res;
}
// Declared in BranchTarget.jrag at line 55
public void collectBranches(Collection c) {
c.add(this);
}
// Declared in NodeConstructors.jrag at line 62
public ReturnStmt(Expr expr) {
this(new Opt(expr));
}
// Declared in PrettyPrint.jadd at line 682
public void toString(StringBuffer s) {
s.append(indent());
s.append("return ");
if(hasResult()) {
getResult().toString(s);
}
s.append(";");
}
// Declared in TypeCheck.jrag at line 408
public void typeCheck() {
if(hasResult() && !returnType().isVoid()) {
if(!getResult().type().assignConversionTo(returnType(), getResult()))
error("return value must be an instance of " + returnType().typeName() + " which " + getResult().type().typeName() + " is not");
}
// 8.4.5 8.8.5
if(returnType().isVoid() && hasResult())
error("return stmt may not have an expression in void methods");
// 8.4.5
if(!returnType().isVoid() && !hasResult())
error("return stmt must have an expression in non void methods");
if(enclosingBodyDecl() instanceof InstanceInitializer || enclosingBodyDecl() instanceof StaticInitializer)
error("Initializers may not return");
}
// Declared in Statements.jrag at line 268
public void jimplify2(Body b) {
if(hasResult()) {
TypeDecl type = returnType();
if(type.isVoid()) {
throw new Error("Can not return a value from a void body");
}
Local local = asLocal(b,
getResult().type().emitCastTo(b,
getResult().eval(b),
type,
getResult()
),
type.getSootType()
);
ArrayList list = exceptionRanges();
if(!inSynchronizedBlock())
endExceptionRange(b, list);
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost stmt = (FinallyHost)iter.next();
stmt.emitFinallyCode(b);
}
b.setLine(this);
if(inSynchronizedBlock())
endExceptionRange(b, list);
b.add(b.newReturnStmt(local, this));
beginExceptionRange(b, list);
}
else {
ArrayList list = exceptionRanges();
if(!inSynchronizedBlock())
endExceptionRange(b, list);
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost stmt = (FinallyHost)iter.next();
stmt.emitFinallyCode(b);
}
b.setLine(this);
if(inSynchronizedBlock())
endExceptionRange(b, list);
b.add(b.newReturnVoidStmt(this));
beginExceptionRange(b, list);
}
}
// Declared in java.ast at line 3
// Declared in java.ast line 217
public ReturnStmt() {
super();
setChild(new Opt(), 0);
}
// Declared in java.ast at line 11
// Declared in java.ast line 217
public ReturnStmt(Opt<Expr> p0) {
setChild(p0, 0);
}
// Declared in java.ast at line 15
protected int numChildren() {
return 1;
}
// Declared in java.ast at line 18
public boolean mayHaveRewrite() {
return false;
}
// Declared in java.ast at line 2
// Declared in java.ast line 217
public void setResultOpt(Opt<Expr> opt) {
setChild(opt, 0);
}
// Declared in java.ast at line 6
public boolean hasResult() {
return getResultOpt().getNumChild() != 0;
}
// Declared in java.ast at line 10
@SuppressWarnings({"unchecked", "cast"}) public Expr getResult() {
return (Expr)getResultOpt().getChild(0);
}
// Declared in java.ast at line 14
public void setResult(Expr node) {
getResultOpt().setChild(node, 0);
}
// Declared in java.ast at line 17
@SuppressWarnings({"unchecked", "cast"}) public Opt<Expr> getResultOpt() {
return (Opt<Expr>)getChild(0);
}
// Declared in java.ast at line 21
@SuppressWarnings({"unchecked", "cast"}) public Opt<Expr> getResultOptNoTransform() {
return (Opt<Expr>)getChildNoTransform(0);
}
protected boolean finallyList_computed = false;
protected ArrayList finallyList_value;
// Declared in BranchTarget.jrag at line 186
@SuppressWarnings({"unchecked", "cast"}) public ArrayList finallyList() {
if(finallyList_computed) {
return finallyList_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
finallyList_value = finallyList_compute();
if(isFinal && num == state().boundariesCrossed)
finallyList_computed = true;
return finallyList_value;
}
private ArrayList finallyList_compute() {
ArrayList list = new ArrayList();
collectFinally(this, list);
return list;
}
// Declared in DefiniteAssignment.jrag at line 650
@SuppressWarnings({"unchecked", "cast"}) public boolean isDAafter(Variable v) {
Object _parameters = v;
if(isDAafter_Variable_values == null) isDAafter_Variable_values = new java.util.HashMap(4);
if(isDAafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDAafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDAafter_Variable_value = isDAafter_compute(v);
if(isFinal && num == state().boundariesCrossed)
isDAafter_Variable_values.put(_parameters, Boolean.valueOf(isDAafter_Variable_value));
return isDAafter_Variable_value;
}
private boolean isDAafter_compute(Variable v) { return true; }
protected java.util.Map isDUafterReachedFinallyBlocks_Variable_values;
// Declared in DefiniteAssignment.jrag at line 946
@SuppressWarnings({"unchecked", "cast"}) public boolean isDUafterReachedFinallyBlocks(Variable v) {
Object _parameters = v;
if(isDUafterReachedFinallyBlocks_Variable_values == null) isDUafterReachedFinallyBlocks_Variable_values = new java.util.HashMap(4);
if(isDUafterReachedFinallyBlocks_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDUafterReachedFinallyBlocks_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDUafterReachedFinallyBlocks_Variable_value = isDUafterReachedFinallyBlocks_compute(v);
if(isFinal && num == state().boundariesCrossed)
isDUafterReachedFinallyBlocks_Variable_values.put(_parameters, Boolean.valueOf(isDUafterReachedFinallyBlocks_Variable_value));
return isDUafterReachedFinallyBlocks_Variable_value;
}
private boolean isDUafterReachedFinallyBlocks_compute(Variable v) {
if(!isDUbefore(v) && finallyList().isEmpty())
return false;
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost f = (FinallyHost)iter.next();
if(!f.isDUafterFinally(v))
return false;
}
return true;
}
protected java.util.Map isDAafterReachedFinallyBlocks_Variable_values;
// Declared in DefiniteAssignment.jrag at line 982
@SuppressWarnings({"unchecked", "cast"}) public boolean isDAafterReachedFinallyBlocks(Variable v) {
Object _parameters = v;
if(isDAafterReachedFinallyBlocks_Variable_values == null) isDAafterReachedFinallyBlocks_Variable_values = new java.util.HashMap(4);
if(isDAafterReachedFinallyBlocks_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDAafterReachedFinallyBlocks_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDAafterReachedFinallyBlocks_Variable_value = isDAafterReachedFinallyBlocks_compute(v);
if(isFinal && num == state().boundariesCrossed)
isDAafterReachedFinallyBlocks_Variable_values.put(_parameters, Boolean.valueOf(isDAafterReachedFinallyBlocks_Variable_value));
return isDAafterReachedFinallyBlocks_Variable_value;
}
private boolean isDAafterReachedFinallyBlocks_compute(Variable v) {
if(hasResult() ? getResult().isDAafter(v) : isDAbefore(v))
return true;
if(finallyList().isEmpty())
return false;
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost f = (FinallyHost)iter.next();
if(!f.isDAafterFinally(v))
return false;
}
return true;
}
// Declared in DefiniteAssignment.jrag at line 1176
@SuppressWarnings({"unchecked", "cast"}) public boolean isDUafter(Variable v) {
Object _parameters = v;
if(isDUafter_Variable_values == null) isDUafter_Variable_values = new java.util.HashMap(4);
if(isDUafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDUafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDUafter_Variable_value = isDUafter_compute(v);
if(isFinal && num == state().boundariesCrossed)
isDUafter_Variable_values.put(_parameters, Boolean.valueOf(isDUafter_Variable_value));
return isDUafter_Variable_value;
}
private boolean isDUafter_compute(Variable v) { return true; }
// Declared in UnreachableStatements.jrag at line 107
@SuppressWarnings({"unchecked", "cast"}) public boolean canCompleteNormally() {
if(canCompleteNormally_computed) {
return canCompleteNormally_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
canCompleteNormally_value = canCompleteNormally_compute();
if(isFinal && num == state().boundariesCrossed)
canCompleteNormally_computed = true;
return canCompleteNormally_value;
}
private boolean canCompleteNormally_compute() { return false; }
protected boolean inSynchronizedBlock_computed = false;
protected boolean inSynchronizedBlock_value;
// Declared in Statements.jrag at line 248
@SuppressWarnings({"unchecked", "cast"}) public boolean inSynchronizedBlock() {
if(inSynchronizedBlock_computed) {
return inSynchronizedBlock_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
inSynchronizedBlock_value = inSynchronizedBlock_compute();
if(isFinal && num == state().boundariesCrossed)
inSynchronizedBlock_computed = true;
return inSynchronizedBlock_value;
}
private boolean inSynchronizedBlock_compute() { return !finallyList().isEmpty() && finallyList().iterator().next() instanceof SynchronizedStmt; }
// Declared in TypeCheck.jrag at line 403
@SuppressWarnings({"unchecked", "cast"}) public TypeDecl returnType() {
ASTNode$State state = state();
TypeDecl returnType_value = getParent().Define_TypeDecl_returnType(this, null);
return returnType_value;
}
// Declared in Statements.jrag at line 442
@SuppressWarnings({"unchecked", "cast"}) public ArrayList exceptionRanges() {
ASTNode$State state = state();
ArrayList exceptionRanges_value = getParent().Define_ArrayList_exceptionRanges(this, null);
return exceptionRanges_value;
}
// Declared in DefiniteAssignment.jrag at line 653
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getResultOptNoTransform()) {
return isDAbefore(v);
}
return getParent().Define_boolean_isDAbefore(this, caller, v);
}
// Declared in DefiniteAssignment.jrag at line 1179
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getResultOptNoTransform()) {
return isDUbefore(v);
}
return getParent().Define_boolean_isDUbefore(this, caller, v);
}
// Declared in GenericMethodsInference.jrag at line 38
public TypeDecl Define_TypeDecl_assignConvertedType(ASTNode caller, ASTNode child) {
if(caller == getResultOptNoTransform()) {
return returnType();
}
return getParent().Define_TypeDecl_assignConvertedType(this, caller);
}
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}