private void addVariable(IVariable var, NesCVariableNameParser varPars, TreeParent parent) {
try {
IValue val = var.getValue();
String cVarName = var.getName();
String name = varPars.getVariableName(cVarName);
TreeNode node = parent.hasChild(name);
if (val.hasVariables()) {
// var consists of multiple inner variables... (like for example a struct)
if (node == null) {
node = new TreeParent(name);
node.setData(var);
parent.addChild(node);
}
for (IVariable innerVar : val.getVariables()) {
addVariable(innerVar, varPars, (TreeParent) node);
}
} else {
if (node == null) {
node = new TreeParent(name); // Leaf
node.setData(var);
parent.addChild(node);
}
}
} catch (DebugException e) {
TinyOSDebugPlugin.getDefault().log("Exception while adding variable to tree.", e);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.text.ITextHoverExtension2#getHoverInfo2(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
*/
public Object getHoverInfo2(ITextViewer textViewer, IRegion hoverRegion) {
IJavaScriptStackFrame frame = getFrame();
if (frame != null) {
IDocument document = textViewer.getDocument();
if (document != null) {
try {
String variableName = document.get(hoverRegion.getOffset(), hoverRegion.getLength());
IVariable var = findLocalVariable(frame, variableName);
if (var != null) {
return var;
}
// might be in 'this'
var = frame.getThisObject();
try {
IValue val = var == null ? null : var.getValue();
if (val != null) {
IVariable[] vars = val.getVariables();
for (int i = 0; i < vars.length; i++) {
if (vars[i].getName().equals(variableName)) {
return vars[i];
}
}
}
} catch (DebugException de) {
return null;
}
} catch (BadLocationException e) {
return null;
}
}
}
return null;
}
public Object[] getChildren(Object obj) {
try {
Object[] variables = null;
if (obj != null
&& obj instanceof IJavaObject
&& "org.drools.reteoo.ReteooStatefulSession"
.equals(((IJavaObject) obj).getReferenceTypeName())) {
variables = getAgendaElements((IJavaObject) obj);
} else if (obj instanceof IVariable) {
if (view.isShowLogicalStructure()) {
IValue value = getLogicalValue(((IVariable) obj).getValue(), new ArrayList());
variables = value.getVariables();
}
if (variables == null) {
variables = ((IVariable) obj).getValue().getVariables();
}
}
if (variables == null) {
return new Object[0];
} else {
cache(obj, variables);
return variables;
}
} catch (DebugException e) {
DroolsEclipsePlugin.log(e);
return new Object[0];
}
}
/**
* Returns children for the given value, creating array partitions if required
*
* @param parent expression or variable containing the given value
* @param value the value to retrieve children for
* @param context the context in which children have been requested
* @return children for the given value, creating array partitions if required
* @throws CoreException
*/
protected Object[] getValueChildren(
IDebugElement parent, IValue value, IPresentationContext context) throws CoreException {
if (value == null) {
return EMPTY;
}
IValue logicalValue = getLogicalValue(value, context);
if (logicalValue instanceof IIndexedValue) {
IIndexedValue indexedValue = (IIndexedValue) logicalValue;
int partitionSize = computeParitionSize(indexedValue);
if (partitionSize > 1) {
int offset = indexedValue.getInitialOffset();
int length = indexedValue.getSize();
int numPartitions = length / partitionSize;
int remainder = length % partitionSize;
if (remainder > 0) {
numPartitions++;
}
IVariable[] partitions = new IVariable[numPartitions];
for (int i = 0; i < (numPartitions - 1); i++) {
partitions[i] = new IndexedVariablePartition(parent, indexedValue, offset, partitionSize);
offset = offset + partitionSize;
}
if (remainder == 0) {
remainder = partitionSize;
}
partitions[numPartitions - 1] =
new IndexedVariablePartition(parent, indexedValue, offset, remainder);
return partitions;
}
}
if (logicalValue == null) {
// safeguard against an structure type returning null
logicalValue = value;
}
return logicalValue.getVariables();
}