/** override to add any other implicit feature calls. */
protected IScope createImplicitFeatureCallScope(
final EObject call, final IScope parent, IScope localVariableScope) {
IScope result = parent;
IEObjectDescription thisVariable = localVariableScope.getSingleElement(THIS);
if (thisVariable != null) {
EObject implicitReceiver = thisVariable.getEObjectOrProxy();
JvmTypeReference implicitReceiverType =
typeProvider.getTypeForIdentifiable((JvmIdentifiableElement) implicitReceiver);
if (implicitReceiverType != null && implicitReceiver instanceof JvmIdentifiableElement) {
XFeatureCall receiver = XbaseFactory.eINSTANCE.createXFeatureCall();
receiver.setFeature((JvmIdentifiableElement) implicitReceiver);
result =
createFeatureScopeForTypeRef(
implicitReceiverType, call, getContextType(call), receiver, result);
}
}
IEObjectDescription itVariable = localVariableScope.getSingleElement(IT);
if (itVariable != null) {
EObject implicitReceiver = itVariable.getEObjectOrProxy();
JvmTypeReference implicitReceiverType =
typeProvider.getTypeForIdentifiable((JvmIdentifiableElement) implicitReceiver);
if (implicitReceiverType != null && implicitReceiver instanceof JvmIdentifiableElement) {
XFeatureCall receiver = XbaseFactory.eINSTANCE.createXFeatureCall();
receiver.setFeature((JvmIdentifiableElement) implicitReceiver);
result =
createFeatureScopeForTypeRef(
implicitReceiverType, call, getContextType(call), receiver, result);
}
}
return result;
}
protected IScope doGetTypeScope(XFeatureCall call, JvmType type) {
if (call.isPackageFragment()) {
if (type instanceof JvmDeclaredType) {
String packageName = ((JvmDeclaredType) type).getPackageName();
int dot = packageName.indexOf('.');
if (dot == -1) {
return new SingletonScope(EObjectDescription.create(packageName, type), IScope.NULLSCOPE);
} else {
String firstSegment = packageName.substring(0, dot);
return new SingletonScope(
EObjectDescription.create(firstSegment, type), IScope.NULLSCOPE);
}
}
return IScope.NULLSCOPE;
} else {
if (type instanceof JvmDeclaredType && ((JvmDeclaredType) type).getDeclaringType() != null) {
Resource resource = call.eResource();
if (resource instanceof XtextResource) {
XImportSection importSection =
importsConfiguration.getImportSection((XtextResource) resource);
if (importSection != null) {
List<XImportDeclaration> importDeclarations = importSection.getImportDeclarations();
List<IEObjectDescription> descriptions = Lists.newArrayList();
for (XImportDeclaration importDeclaration : importDeclarations) {
if (!importDeclaration.isStatic()
&& !importDeclaration.isWildcard()
&& !importDeclaration.isExtension()) {
JvmDeclaredType importedType = importDeclaration.getImportedType();
if (importedType == type) {
String syntax = importsConfiguration.getLegacyImportSyntax(importDeclaration);
if (syntax != null /* no node model attached */
&& syntax.equals(type.getQualifiedName())) {
String packageName = importedType.getPackageName();
descriptions.add(
EObjectDescription.create(
syntax.substring(packageName.length() + 1), type));
}
}
if (EcoreUtil.isAncestor(importedType, type)) {
String name = type.getSimpleName();
JvmType worker = type;
while (worker != importedType) {
worker = (JvmType) worker.eContainer();
name = worker.getSimpleName() + "$" + name;
}
descriptions.add(EObjectDescription.create(name, type));
}
}
}
return new SimpleScope(descriptions);
}
}
return new SingletonScope(
EObjectDescription.create(type.getSimpleName(), type), IScope.NULLSCOPE);
} else {
return new SingletonScope(
EObjectDescription.create(type.getSimpleName(), type), IScope.NULLSCOPE);
}
}
}
/**
* This method serves as an entry point for the content assist scoping for simple feature calls.
*
* @param context the context e.g. a for loop expression, a block or a catch clause
* @param reference the reference who's value shall be scoped. Not necessarily a feature of the
* context.
* @param includeCurrentBlock <code>false</code> in the context of scoping but content assist will
* not have the actual value holder of the reference at hand so it passes its container to
* this method and expects the declared variables to be exposed in the scope.
* @param idx the index in an expression list of a block. Otherwise to be ignored.
*/
public IScope createSimpleFeatureCallScope(
final EObject context,
EReference reference,
Resource resource,
boolean includeCurrentBlock,
int idx) {
if (context instanceof XFeatureCall) {
XFeatureCall featureCall = (XFeatureCall) context;
if (featureCall.getDeclaringType() != null) {
JvmParameterizedTypeReference typeReference =
typeReferences.createTypeRef(featureCall.getDeclaringType());
JvmFeatureScope result =
createFeatureScopeForTypeRef(
typeReference, context, getContextType(context), null, IScope.NULLSCOPE);
return result;
}
}
IScope staticScope = createStaticScope(context, resource, IScope.NULLSCOPE);
DelegatingScope delegatingStaticScope = new DelegatingScope(IScope.NULLSCOPE);
DelegatingScope implicitThis = new DelegatingScope(delegatingStaticScope);
LocalVariableScopeContext scopeContext =
createLocalVariableScopeContext(context, reference, includeCurrentBlock, idx);
IScope localVariableScope = createLocalVarScope(implicitThis, scopeContext);
IScope scopeForImplicitFeatures =
createImplicitFeatureCallScope(context, IScope.NULLSCOPE, localVariableScope);
implicitThis.setDelegate(scopeForImplicitFeatures);
delegatingStaticScope.setDelegate(staticScope);
return localVariableScope;
}
protected String _case(
JvmField input,
XFeatureCall context,
EReference reference,
JvmFeatureDescription jvmFeatureDescription) {
if (context.getDeclaringType() == null) {
if (input.isStatic()) return INSTANCE_ACCESS_TO_STATIC_MEMBER;
} else {
if (!input.isStatic()) return STATIC_ACCESS_TO_INSTANCE_MEMBER;
}
if (context.isExplicitOperationCall()) return FIELD_ACCESS_WITH_PARENTHESES;
return null;
}
protected String _case(
JvmOperation input,
XFeatureCall context,
EReference reference,
JvmFeatureDescription jvmFeatureDescription) {
if (context.getDeclaringType() != null) {
if (!input.isStatic()) return STATIC_ACCESS_TO_INSTANCE_MEMBER;
}
return checkJvmOperation(
input,
context,
context.isExplicitOperationCall(),
jvmFeatureDescription,
context.getFeatureCallArguments());
}
protected String _case(
JvmIdentifiableElement input,
XFeatureCall context,
EReference ref,
LocalVarDescription description) {
if (context.isExplicitOperationCall()) return LOCAL_VAR_ACCESS_WITH_PARENTHESES;
return null;
}
protected IFeatureCallArguments toArguments(
final String signature, final String invocation, final boolean receiver) {
try {
StringConcatenation _builder = new StringConcatenation();
_builder.append("def void m(");
_builder.append(signature, "");
_builder.append(") {");
_builder.newLineIfNotEmpty();
_builder.append("\t");
_builder.append("m(");
_builder.append(invocation, "\t");
_builder.append(")");
_builder.newLineIfNotEmpty();
_builder.append("}");
_builder.newLine();
final String functionString = _builder.toString();
final XtendFunction function = this.function(functionString);
XExpression _expression = function.getExpression();
final XBlockExpression body = ((XBlockExpression) _expression);
EList<XExpression> _expressions = body.getExpressions();
XExpression _head = IterableExtensions.<XExpression>head(_expressions);
final XFeatureCall featureCall = ((XFeatureCall) _head);
final EList<XExpression> arguments = featureCall.getFeatureCallArguments();
final JvmOperation operation =
this._iXtendJvmAssociations.getDirectlyInferredOperation(function);
EList<JvmFormalParameter> _parameters = operation.getParameters();
ITypeReferenceOwner _owner = this.getOwner();
final IFeatureCallArguments result =
this.factory.createVarArgArguments(arguments, _parameters, receiver, _owner);
Class<? extends IFeatureCallArguments> _class = result.getClass();
boolean _equals = Objects.equal(_class, VarArgFeatureCallArguments.class);
Assert.assertTrue(_equals);
return result;
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
private void addTypeCastToImplicitReceiver(
XFeatureCall featureCall, IModificationContext context, JvmType declaringType)
throws BadLocationException {
String receiver;
if (featureCall.getImplicitReceiver() instanceof XAbstractFeatureCall)
receiver =
((XAbstractFeatureCall) featureCall.getImplicitReceiver()).getFeature().getSimpleName();
else return;
List<INode> nodes =
NodeModelUtils.findNodesForFeature(
featureCall, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE);
if (nodes.isEmpty()) return;
INode firstNode = IterableExtensions.head(nodes);
int offset = firstNode.getOffset();
ReplacingAppendable appendable =
appendableFactory.create(
context.getXtextDocument(), (XtextResource) featureCall.eResource(), offset, 0);
appendable.append("(");
appendable.append(receiver);
appendable.append(" as ");
appendable.append(declaringType);
appendable.append(").");
appendable.commitChanges();
}
