private JavaElement getJavaElement(LocalVariableBinding binding) {
LocalDeclaration local = binding.declaration;
JavaElement parent = null;
ReferenceContext referenceContext =
binding.declaringScope.isLambdaSubscope()
? binding.declaringScope.namedMethodScope().referenceContext()
: binding.declaringScope.referenceContext();
if (referenceContext instanceof AbstractMethodDeclaration) {
AbstractMethodDeclaration methodDeclaration = (AbstractMethodDeclaration) referenceContext;
parent = this.getJavaElementOfCompilationUnit(methodDeclaration, methodDeclaration.binding);
} else if (referenceContext instanceof TypeDeclaration) {
// Local variable is declared inside an initializer
TypeDeclaration typeDeclaration = (TypeDeclaration) referenceContext;
JavaElement type =
this.getJavaElementOfCompilationUnit(typeDeclaration, typeDeclaration.binding);
parent = Util.getUnresolvedJavaElement(local.sourceStart, local.sourceEnd, type);
}
if (parent == null) return null;
return new LocalVariable(
parent,
new String(local.name),
local.declarationSourceStart,
local.declarationSourceEnd,
local.sourceStart,
local.sourceEnd,
local.type == null
? Signature.createTypeSignature(binding.type.signableName(), true)
: Util.typeSignature(local.type),
binding.declaration.annotations,
local.modifiers,
local.getKind() == AbstractVariableDeclaration.PARAMETER);
}
private JavaElement getUnresolvedJavaElement() {
if (JavaCore.getPlugin() == null) {
return null;
}
if (!(this.resolver instanceof DefaultBindingResolver)) return null;
DefaultBindingResolver defaultBindingResolver = (DefaultBindingResolver) this.resolver;
if (!defaultBindingResolver.fromJavaProject) return null;
return Util.getUnresolvedJavaElement(
this.binding,
defaultBindingResolver.workingCopyOwner,
defaultBindingResolver.getBindingsToNodesMap());
}
private JavaElement getUnresolvedJavaElement(
org.eclipse.jdt.internal.compiler.lookup.TypeBinding typeBinding) {
if (JavaCore.getPlugin() == null) {
return null;
}
if (this.resolver instanceof DefaultBindingResolver) {
DefaultBindingResolver defaultBindingResolver = (DefaultBindingResolver) this.resolver;
if (!defaultBindingResolver.fromJavaProject) return null;
return org.eclipse.jdt.internal.core.util.Util.getUnresolvedJavaElement(
typeBinding,
defaultBindingResolver.workingCopyOwner,
defaultBindingResolver.getBindingsToNodesMap());
}
return null;
}
public IJavaElement[] getVisibleElements(String typeSignature) {
if (this.assistScope == null) return new IJavaElement[0];
if (!this.hasComputedVisibleElementBindings) {
computeVisibleElementBindings();
}
TypeBinding assignableTypeBinding = null;
if (typeSignature != null) {
assignableTypeBinding = getTypeFromSignature(typeSignature, this.assistScope);
if (assignableTypeBinding == null) return new IJavaElement[0];
}
int length =
this.visibleLocalVariables.size() + this.visibleFields.size() + this.visibleMethods.size();
if (length == 0) return new IJavaElement[0];
IJavaElement[] result = new IJavaElement[length];
int elementCount = 0;
int size = this.visibleLocalVariables.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
LocalVariableBinding binding =
(LocalVariableBinding) this.visibleLocalVariables.elementAt(i);
if (binding.type == null
|| (assignableTypeBinding != null
&& !binding.type.isCompatibleWith(assignableTypeBinding))) continue next;
JavaElement localVariable = getJavaElement(binding);
if (localVariable != null) result[elementCount++] = localVariable;
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
size = this.visibleFields.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
FieldBinding binding = (FieldBinding) this.visibleFields.elementAt(i);
if (assignableTypeBinding != null
&& !binding.type.isCompatibleWith(assignableTypeBinding)) continue next;
if (this.assistScope.isDefinedInSameUnit(binding.declaringClass)) {
JavaElement field = getJavaElementOfCompilationUnit(binding);
if (field != null) result[elementCount++] = field;
} else {
JavaElement field = Util.getUnresolvedJavaElement(binding, this.owner, EmptyNodeMap);
if (field != null) result[elementCount++] = field.resolved(binding);
}
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
size = this.visibleMethods.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
MethodBinding binding = (MethodBinding) this.visibleMethods.elementAt(i);
if (assignableTypeBinding != null
&& !binding.returnType.isCompatibleWith(assignableTypeBinding)) continue next;
if (this.assistScope.isDefinedInSameUnit(binding.declaringClass)) {
JavaElement method = getJavaElementOfCompilationUnit(binding);
if (method != null) result[elementCount++] = method;
} else {
JavaElement method = Util.getUnresolvedJavaElement(binding, this.owner, EmptyNodeMap);
if (method != null) result[elementCount++] = method.resolved(binding);
}
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
if (elementCount != result.length) {
System.arraycopy(result, 0, result = new IJavaElement[elementCount], 0, elementCount);
}
return result;
}
