List of usage examples for org.eclipse.jdt.internal.compiler.lookup Scope originalReferenceContext
public ReferenceContext originalReferenceContext()
From source file:org.eclipse.che.jdt.internal.core.util.HandleFactory.java
License:Open Source License
/** * Create handle by adding child to parent obtained by recursing into parent scopes. *///from www .ja v a 2 s . c o m public IJavaElement createElement(Scope scope, int elementPosition, ICompilationUnit unit, HashSet existingElements, HashMap knownScopes) { IJavaElement newElement = (IJavaElement) knownScopes.get(scope); if (newElement != null) return newElement; switch (scope.kind) { case Scope.COMPILATION_UNIT_SCOPE: newElement = unit; break; case Scope.CLASS_SCOPE: IJavaElement parentElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes); switch (parentElement.getElementType()) { case IJavaElement.COMPILATION_UNIT: newElement = ((ICompilationUnit) parentElement) .getType(new String(scope.enclosingSourceType().sourceName)); break; case IJavaElement.TYPE: newElement = ((IType) parentElement).getType(new String(scope.enclosingSourceType().sourceName)); break; case IJavaElement.FIELD: case IJavaElement.INITIALIZER: case IJavaElement.METHOD: IMember member = (IMember) parentElement; if (member.isBinary()) { return null; } else { newElement = member.getType(new String(scope.enclosingSourceType().sourceName), 1); // increment occurrence count if collision is detected if (newElement != null) { while (!existingElements.add(newElement)) ((SourceRefElement) newElement).occurrenceCount++; } } break; } if (newElement != null) { knownScopes.put(scope, newElement); } break; case Scope.METHOD_SCOPE: if (scope.isLambdaScope()) { parentElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes); LambdaExpression expression = (LambdaExpression) scope.originalReferenceContext(); if (expression.resolvedType != null && expression.resolvedType.isValidBinding() && !(expression.descriptor instanceof ProblemMethodBinding)) { // chain in lambda element only if resolved properly. //newElement = new org.eclipse.jdt.internal.core.SourceLambdaExpression((JavaElement) parentElement, expression) // .getMethod(); newElement = LambdaFactory.createLambdaExpression((JavaElement) parentElement, expression) .getMethod(); knownScopes.put(scope, newElement); return newElement; } return parentElement; } IType parentType = (IType) createElement(scope.parent, elementPosition, unit, existingElements, knownScopes); MethodScope methodScope = (MethodScope) scope; if (methodScope.isInsideInitializer()) { // inside field or initializer, must find proper one TypeDeclaration type = methodScope.referenceType(); int occurenceCount = 1; int length = type.fields == null ? 0 : type.fields.length; for (int i = 0; i < length; i++) { FieldDeclaration field = type.fields[i]; if (field.declarationSourceStart <= elementPosition && elementPosition <= field.declarationSourceEnd) { switch (field.getKind()) { case AbstractVariableDeclaration.FIELD: case AbstractVariableDeclaration.ENUM_CONSTANT: newElement = parentType.getField(new String(field.name)); break; case AbstractVariableDeclaration.INITIALIZER: newElement = parentType.getInitializer(occurenceCount); break; } break; } else if (field.getKind() == AbstractVariableDeclaration.INITIALIZER) { occurenceCount++; } } } else { // method element AbstractMethodDeclaration method = methodScope.referenceMethod(); newElement = parentType.getMethod(new String(method.selector), Util.typeParameterSignatures(method)); if (newElement != null) { knownScopes.put(scope, newElement); } } break; case Scope.BLOCK_SCOPE: // standard block, no element per se newElement = createElement(scope.parent, elementPosition, unit, existingElements, knownScopes); break; } return newElement; }