private void commandMethods(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
env.error("No class specified.");
return;
}
String idClass = t.nextToken();
ReferenceType cls = findClass(idClass);
if (cls != null) {
List<Method> methods = cls.allMethods();
OutputSink out = env.getOutputSink();
for (int i = 0; i < methods.size(); i++) {
Method method = methods.get(i);
out.print(method.declaringType().name() + " " + method.name() + "(");
Iterator<String> it = method.argumentTypeNames().iterator();
if (it.hasNext()) {
while (true) {
out.print(it.next());
if (!it.hasNext()) {
break;
}
out.print(", ");
}
}
out.println(")");
}
out.show();
} else {
// ### Should validate class name syntax.
env.failure("\"" + idClass + "\" is not a valid id or class name.");
}
}
public void exceptionEvent(ExceptionEvent event) {
ObjectReference or = event.exception();
ReferenceType rt = or.referenceType();
String exceptionName = rt.name();
// Field messageField = Throwable.class.getField("detailMessage");
Field messageField = rt.fieldByName("detailMessage");
// System.out.println("field " + messageField);
Value messageValue = or.getValue(messageField);
// System.out.println("mess val " + messageValue);
// "java.lang.ArrayIndexOutOfBoundsException"
int last = exceptionName.lastIndexOf('.');
String message = exceptionName.substring(last + 1);
if (messageValue != null) {
String messageStr = messageValue.toString();
if (messageStr.startsWith("\"")) {
messageStr = messageStr.substring(1, messageStr.length() - 1);
}
message += ": " + messageStr;
}
// System.out.println("mess type " + messageValue.type());
// StringReference messageReference = (StringReference) messageValue.type();
// First just report the exception and its placement
reportException(message, or, event.thread());
// Then try to pretty it up with a better message
handleCommonErrors(exceptionName, message, listener);
if (editor != null) {
editor.deactivateRun();
}
}
static ReferenceType getReferenceTypeFromToken(String idToken) {
ReferenceType cls = null;
if (Character.isDigit(idToken.charAt(0))) {
cls = null;
} else if (idToken.startsWith("*.")) {
// This notation saves typing by letting the user omit leading
// package names. The first
// loaded class whose name matches this limited regular
// expression is selected.
idToken = idToken.substring(1);
for (ReferenceType type : Env.vm().allClasses()) {
if (type.name().endsWith(idToken)) {
cls = type;
break;
}
}
} else {
// It's a class name
List<ReferenceType> classes = Env.vm().classesByName(idToken);
if (classes.size() > 0) {
// TO DO: handle multiples
cls = classes.get(0);
}
}
return cls;
}
private void commandClasses() throws NoSessionException {
OutputSink out = env.getOutputSink();
// out.println("** classes list **");
for (ReferenceType refType : runtime.allClasses()) {
out.println(refType.name());
}
out.show();
}
public static String getLocationMethodQName(@NotNull Location location) {
StringBuilder res = new StringBuilder();
ReferenceType type = location.declaringType();
if (type != null) {
res.append(type.name()).append('.');
}
res.append(location.method().name());
return res.toString();
}
/** Return a description of an object. */
static String description(ObjectReference ref) {
ReferenceType clazz = ref.referenceType();
long id = ref.uniqueID();
if (clazz == null) {
return toHex(id);
} else {
return MessageOutput.format(
"object description and hex id", new Object[] {clazz.name(), toHex(id)});
}
}
/** ******** test assist ********* */
Method getMethod(String className, String methodName) {
List refs = vm().classesByName(className);
if (refs.size() != 1) {
failure("Test failure: " + refs.size() + " ReferenceTypes named: " + className);
return null;
}
ReferenceType refType = (ReferenceType) refs.get(0);
List meths = refType.methodsByName(methodName);
if (meths.size() != 1) {
failure("Test failure: " + meths.size() + " methods named: " + methodName);
return null;
}
return (Method) meths.get(0);
}
public List<ReferenceType> nestedTypes(ReferenceType refType) {
List<ReferenceType> nestedTypes = myNestedClassesCache.get(refType);
if (nestedTypes == null) {
List<ReferenceType> list = Collections.emptyList();
try {
list = refType.nestedTypes();
} catch (Throwable e) {
// sometimes some strange errors are thrown from JDI. Do not crash debugger because of this.
// Example:
// java.lang.StringIndexOutOfBoundsException: String index out of range: 487700285
// at java.lang.String.checkBounds(String.java:375)
// at java.lang.String.<init>(String.java:415)
// at com.sun.tools.jdi.PacketStream.readString(PacketStream.java:392)
// at
// com.sun.tools.jdi.JDWP$VirtualMachine$AllClassesWithGeneric$ClassInfo.<init>(JDWP.java:1644)
LOG.info(e);
}
if (!list.isEmpty()) {
final Set<ReferenceType> candidates = new HashSet<>();
final ClassLoaderReference outerLoader = refType.classLoader();
for (ReferenceType nested : list) {
try {
if (outerLoader == null
? nested.classLoader() == null
: outerLoader.equals(nested.classLoader())) {
candidates.add(nested);
}
} catch (ObjectCollectedException ignored) {
}
}
if (!candidates.isEmpty()) {
// keep only direct nested types
final Set<ReferenceType> nested2 = new HashSet<>();
for (final ReferenceType candidate : candidates) {
nested2.addAll(nestedTypes(candidate));
}
candidates.removeAll(nested2);
}
nestedTypes = candidates.isEmpty() ? Collections.emptyList() : new ArrayList<>(candidates);
} else {
nestedTypes = Collections.emptyList();
}
myNestedClassesCache.put(refType, nestedTypes);
}
return nestedTypes;
}
/**
* @ast method
* @aspect AccessControl
* @declaredat /home/uoji/JastAddJ/Java1.4Frontend/AccessControl.jrag:167
*/
public void accessControl() {
super.accessControl();
if (!isCircular()) {
// 9.1.2
HashSet set = new HashSet();
for (int i = 0; i < getNumSuperInterfaceId(); i++) {
TypeDecl decl = getSuperInterfaceId(i).type();
if (!decl.isInterfaceDecl() && !decl.isUnknown())
error(
"interface " + fullName() + " tries to extend non interface type " + decl.fullName());
if (!decl.isCircular() && !decl.accessibleFrom(this))
error(
"interface " + fullName() + " can not extend non accessible type " + decl.fullName());
if (set.contains(decl))
error(
"extended interface "
+ decl.fullName()
+ " mentionened multiple times in extends clause");
set.add(decl);
}
}
}
public static ReferenceType getSuperClass(
final String baseQualifiedName, ReferenceType checkedType) {
if (baseQualifiedName.equals(checkedType.name())) {
return checkedType;
}
if (checkedType instanceof ClassType) {
ClassType classType = (ClassType) checkedType;
ClassType superClassType = classType.superclass();
if (superClassType != null) {
ReferenceType superClass = getSuperClass(baseQualifiedName, superClassType);
if (superClass != null) {
return superClass;
}
}
List<InterfaceType> interfaces = classType.allInterfaces();
for (InterfaceType iface : interfaces) {
ReferenceType superClass = getSuperClass(baseQualifiedName, iface);
if (superClass != null) {
return superClass;
}
}
}
if (checkedType instanceof InterfaceType) {
List<InterfaceType> list = ((InterfaceType) checkedType).superinterfaces();
for (InterfaceType superInterface : list) {
ReferenceType superClass = getSuperClass(baseQualifiedName, superInterface);
if (superClass != null) {
return superClass;
}
}
}
return null;
}
/** Get source object associated with a class or interface. Returns null if not available. */
public SourceModel sourceForClass(ReferenceType refType) {
SourceModel sm = classToSource.get(refType);
if (sm != null) {
return sm;
}
try {
String filename = refType.sourceName();
String refName = refType.name();
int iDot = refName.lastIndexOf('.');
String pkgName = (iDot >= 0) ? refName.substring(0, iDot + 1) : "";
String full = pkgName.replace('.', File.separatorChar) + filename;
File path = sourcePath.resolve(full);
if (path != null) {
sm = sourceForFile(path);
classToSource.put(refType, sm);
return sm;
}
return null;
} catch (AbsentInformationException e) {
return null;
}
}
private void dump(
OutputSink out, ObjectReference obj, ReferenceType refType, ReferenceType refTypeBase) {
for (Field field : refType.fields()) {
out.print(" ");
if (!refType.equals(refTypeBase)) {
out.print(refType.name() + ".");
}
out.print(field.name() + ": ");
Object o = obj.getValue(field);
out.println((o == null) ? "null" : o.toString()); // Bug ID 4374471
}
if (refType instanceof ClassType) {
ClassType sup = ((ClassType) refType).superclass();
if (sup != null) {
dump(out, obj, sup, refTypeBase);
}
} else if (refType instanceof InterfaceType) {
for (InterfaceType sup : ((InterfaceType) refType).superinterfaces()) {
dump(out, obj, sup, refTypeBase);
}
}
}
/** @apilevel low-level */
public void flushCache() {
super.flushCache();
methodsSignatureMap_computed = false;
methodsSignatureMap_value = null;
ancestorMethods_String_values = null;
memberTypes_String_values = null;
memberFieldsMap_computed = false;
memberFieldsMap_value = null;
memberFields_String_values = null;
isStatic_computed = false;
castingConversionTo_TypeDecl_values = null;
instanceOf_TypeDecl_values = null;
isCircular_visited = -1;
isCircular_computed = false;
isCircular_initialized = false;
typeDescriptor_computed = false;
typeDescriptor_value = null;
}
/**
* @ast method
* @aspect TypeHierarchyCheck
* @declaredat /home/uoji/JastAddJ/Java1.4Frontend/TypeHierarchyCheck.jrag:312
*/
public void nameCheck() {
super.nameCheck();
if (isCircular()) error("circular inheritance dependency in " + typeName());
else {
for (int i = 0; i < getNumSuperInterfaceId(); i++) {
TypeDecl typeDecl = getSuperInterfaceId(i).type();
if (typeDecl.isCircular()) error("circular inheritance dependency in " + typeName());
}
}
for (Iterator iter = methodsSignatureMap().values().iterator(); iter.hasNext(); ) {
SimpleSet set = (SimpleSet) iter.next();
if (set.size() > 1) {
Iterator i2 = set.iterator();
MethodDecl m = (MethodDecl) i2.next();
while (i2.hasNext()) {
MethodDecl n = (MethodDecl) i2.next();
if (!n.mayOverrideReturn(m) && !m.mayOverrideReturn(n))
error(
"multiply inherited methods with the same signature must have the same return type");
}
}
}
}
// copied from FrameVariablesTree
private void buildVariables(
DebuggerContextImpl debuggerContext,
final EvaluationContextImpl evaluationContext,
@NotNull DebugProcessImpl debugProcess,
XValueChildrenList children,
ObjectReference thisObjectReference,
Location location)
throws EvaluateException {
final Set<String> visibleLocals = new HashSet<String>();
if (NodeRendererSettings.getInstance().getClassRenderer().SHOW_VAL_FIELDS_AS_LOCAL_VARIABLES) {
if (thisObjectReference != null
&& debugProcess.getVirtualMachineProxy().canGetSyntheticAttribute()) {
final ReferenceType thisRefType = thisObjectReference.referenceType();
if (thisRefType instanceof ClassType
&& location != null
&& thisRefType.equals(location.declaringType())
&& thisRefType.name().contains("$")) { // makes sense for nested classes only
for (Field field : thisRefType.fields()) {
if (DebuggerUtils.isSynthetic(field)
&& StringUtil.startsWith(
field.name(), FieldDescriptorImpl.OUTER_LOCAL_VAR_FIELD_PREFIX)) {
final FieldDescriptorImpl fieldDescriptor =
myNodeManager.getFieldDescriptor(myDescriptor, thisObjectReference, field);
children.add(JavaValue.create(fieldDescriptor, evaluationContext, myNodeManager));
visibleLocals.add(fieldDescriptor.calcValueName());
}
}
}
}
}
boolean myAutoWatchMode = DebuggerSettings.getInstance().AUTO_VARIABLES_MODE;
if (evaluationContext == null) {
return;
}
final SourcePosition sourcePosition = debuggerContext.getSourcePosition();
if (sourcePosition == null) {
return;
}
try {
if (!XDebuggerSettingsManager.getInstance().getDataViewSettings().isAutoExpressions()
&& !myAutoWatchMode) {
// optimization
superBuildVariables(evaluationContext, children);
} else {
final Map<String, LocalVariableProxyImpl> visibleVariables =
getVisibleVariables(getStackFrameProxy());
final Pair<Set<String>, Set<TextWithImports>> usedVars =
ApplicationManager.getApplication()
.runReadAction(
new Computable<Pair<Set<String>, Set<TextWithImports>>>() {
@Override
public Pair<Set<String>, Set<TextWithImports>> compute() {
return findReferencedVars(
ContainerUtil.union(visibleVariables.keySet(), visibleLocals),
sourcePosition);
}
});
// add locals
if (myAutoWatchMode) {
for (String var : usedVars.first) {
LocalVariableProxyImpl local = visibleVariables.get(var);
if (local != null) {
children.add(
JavaValue.create(
myNodeManager.getLocalVariableDescriptor(null, local),
evaluationContext,
myNodeManager));
}
}
} else {
superBuildVariables(evaluationContext, children);
}
final EvaluationContextImpl evalContextCopy =
evaluationContext.createEvaluationContext(evaluationContext.getThisObject());
evalContextCopy.setAutoLoadClasses(false);
final Set<TextWithImports> extraVars =
computeExtraVars(usedVars, sourcePosition, evaluationContext);
// add extra vars
addToChildrenFrom(extraVars, children, evaluationContext);
// add expressions
addToChildrenFrom(usedVars.second, children, evalContextCopy);
}
} catch (EvaluateException e) {
if (e.getCause() instanceof AbsentInformationException) {
children.add(
new DummyMessageValueNode(
MessageDescriptor.LOCAL_VARIABLES_INFO_UNAVAILABLE.getLabel(),
XDebuggerUIConstants.INFORMATION_MESSAGE_ICON));
// trying to collect values from variable slots
try {
for (Map.Entry<DecompiledLocalVariable, Value> entry :
LocalVariablesUtil.fetchValues(getStackFrameProxy(), debugProcess).entrySet()) {
children.add(
JavaValue.create(
myNodeManager.getArgumentValueDescriptor(
null, entry.getKey(), entry.getValue()),
evaluationContext,
myNodeManager));
}
} catch (Exception ex) {
LOG.info(ex);
}
} else {
throw e;
}
}
}
private void commandList(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.error("No thread specified.");
return;
}
Location loc;
try {
StackFrame frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet begun execution.");
return;
}
loc = frame.location();
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
SourceModel source = sourceManager.sourceForLocation(loc);
if (source == null) {
if (loc.method().isNative()) {
env.failure("Current method is native.");
return;
}
env.failure("No source available for " + Utils.locationString(loc) + ".");
return;
}
ReferenceType refType = loc.declaringType();
int lineno = loc.lineNumber();
if (t.hasMoreTokens()) {
String id = t.nextToken();
// See if token is a line number.
try {
lineno = Integer.valueOf(id).intValue();
} catch (NumberFormatException nfe) {
// It isn't -- see if it's a method name.
List<Method> meths = refType.methodsByName(id);
if (meths == null || meths.size() == 0) {
env.failure(
id + " is not a valid line number or " + "method name for class " + refType.name());
return;
} else if (meths.size() > 1) {
env.failure(id + " is an ambiguous method name in" + refType.name());
return;
}
loc = meths.get(0).location();
lineno = loc.lineNumber();
}
}
int startLine = (lineno > 4) ? lineno - 4 : 1;
int endLine = startLine + 9;
String sourceLine = source.sourceLine(lineno);
if (sourceLine == null) {
env.failure("" + lineno + " is an invalid line number for " + refType.name());
} else {
OutputSink out = env.getOutputSink();
for (int i = startLine; i <= endLine; i++) {
sourceLine = source.sourceLine(i);
if (sourceLine == null) {
break;
}
out.print(i);
out.print("\t");
if (i == lineno) {
out.print("=> ");
} else {
out.print(" ");
}
out.println(sourceLine);
}
out.show();
}
}
/**
* @ast method
* @aspect Modifiers
* @declaredat /home/uoji/JastAddJ/Java1.4Frontend/Modifiers.jrag:104
*/
public void checkModifiers() {
super.checkModifiers();
}
/**
* @ast method
* @aspect GenerateClassfile
* @declaredat /home/uoji/JastAddJ/Java1.4Backend/GenerateClassfile.jrag:142
*/
public void generateClassfile() {
super.generateClassfile();
String fileName = destinationPath() + File.separator + constantPoolName() + ".class";
if (options().verbose()) System.out.println("Writing class file to " + fileName);
try {
ConstantPool cp = constantPool();
// force building of constant pool
cp.addClass(constantPoolName());
cp.addClass("java/lang/Object");
for (int i = 0; i < getNumSuperInterfaceId(); i++) {
cp.addClass(getSuperInterfaceId(i).type().constantPoolName());
}
for (Iterator iter = bcFields().iterator(); iter.hasNext(); ) {
FieldDeclaration field = (FieldDeclaration) iter.next();
cp.addUtf8(field.name());
cp.addUtf8(field.type().typeDescriptor());
field.attributes();
}
for (Iterator iter = bcMethods().iterator(); iter.hasNext(); ) {
Object obj = iter.next();
if (obj instanceof MethodDecl) {
MethodDecl m = (MethodDecl) obj;
cp.addUtf8(m.name());
cp.addUtf8(m.descName());
m.attributes();
}
}
attributes();
if (hasClinit()) {
cp.addUtf8("<clinit>");
cp.addUtf8("()V");
clinit_attributes();
}
// actual classfile generation
File dest = new File(fileName);
File parentFile = dest.getParentFile();
if (parentFile != null) parentFile.mkdirs();
FileOutputStream f = new FileOutputStream(fileName);
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(f));
out.writeInt(magicHeader());
out.writeChar(minorVersion());
out.writeChar(majorVersion());
cp.emit(out);
int flags = flags();
if (isNestedType()) flags = mangledFlags(flags);
if (isInterfaceDecl()) flags |= Modifiers.ACC_INTERFACE;
out.writeChar(flags);
out.writeChar(cp.addClass(constantPoolName()));
out.writeChar(cp.addClass("java/lang/Object"));
if (getNumSuperInterfaceId() == 1 && getSuperInterfaceId(0).type().isObject())
out.writeChar(0);
else out.writeChar(getNumSuperInterfaceId());
for (int i = 0; i < getNumSuperInterfaceId(); i++) {
TypeDecl typeDecl = getSuperInterfaceId(i).type();
if (typeDecl.isInterfaceDecl()) out.writeChar(cp.addClass(typeDecl.constantPoolName()));
}
Collection fields = bcFields();
out.writeChar(fields.size());
for (Iterator iter = fields.iterator(); iter.hasNext(); ) {
FieldDeclaration field = (FieldDeclaration) iter.next();
out.writeChar(field.flags());
out.writeChar(cp.addUtf8(field.name()));
out.writeChar(cp.addUtf8(field.type().typeDescriptor()));
out.writeChar(field.attributes().size());
for (Iterator itera = field.attributes().iterator(); itera.hasNext(); )
((Attribute) itera.next()).emit(out);
}
Collection methods = bcMethods();
out.writeChar(methods.size() + (hasClinit() ? 1 : 0));
for (Iterator iter = methods.iterator(); iter.hasNext(); ) {
BodyDecl b = (BodyDecl) iter.next();
b.generateMethod(out, cp);
}
if (hasClinit()) {
out.writeChar(Modifiers.ACC_STATIC);
out.writeChar(cp.addUtf8("<clinit>"));
out.writeChar(cp.addUtf8("()V"));
out.writeChar(clinit_attributes().size());
for (Iterator itera = clinit_attributes().iterator(); itera.hasNext(); )
((Attribute) itera.next()).emit(out);
}
out.writeChar(attributes().size());
for (Iterator itera = attributes().iterator(); itera.hasNext(); )
((Attribute) itera.next()).emit(out);
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/** @apilevel internal */
public void flushCollectionCache() {
super.flushCollectionCache();
}