Examples with QualifiedName org.eclipse.jdt.core.dom.QualifiedName used on opensource projects

Example 16 with QualifiedName

use of org.eclipse.jdt.core.dom.QualifiedName in project processing by processing.

the class CompletionGenerator method findDeclaration2.

/**
   * A variation of findDeclaration() but accepts an alternate parent ASTNode
   * @param findMe
   * @param alternateParent
   * @return
   */
protected static ASTNode findDeclaration2(Name findMe, ASTNode alternateParent) {
    ASTNode declaringClass;
    ASTNode parent = findMe.getParent();
    ASTNode ret;
    ArrayList<Integer> constrains = new ArrayList<>();
    if (parent.getNodeType() == ASTNode.METHOD_INVOCATION) {
        Expression exp = (Expression) parent.getStructuralProperty(MethodInvocation.EXPRESSION_PROPERTY);
        // Possibly a bug here. Investigate later.
        if (((MethodInvocation) parent).getName().toString().equals(findMe.toString())) {
            constrains.add(ASTNode.METHOD_DECLARATION);
            if (exp != null) {
                constrains.add(ASTNode.TYPE_DECLARATION);
                //              + exp.getClass().getName() + " parent: " + exp.getParent());
                if (exp instanceof MethodInvocation) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((MethodInvocation) exp).getName(), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2(stp.getName(), alternateParent);
                    return definedIn(declaringClass, ((MethodInvocation) parent).getName().toString(), constrains);
                } else if (exp instanceof FieldAccess) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((FieldAccess) exp).getName(), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2((stp.getName()), alternateParent);
                    return definedIn(declaringClass, ((MethodInvocation) parent).getName().toString(), constrains);
                }
                if (exp instanceof SimpleName) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((SimpleName) exp), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2(stp.getName(), alternateParent);
                    //            log("MI.SN " + getNodeAsString(declaringClass));
                    constrains.add(ASTNode.METHOD_DECLARATION);
                    return definedIn(declaringClass, ((MethodInvocation) parent).getName().toString(), constrains);
                }
            }
        } else {
            // Move one up the ast. V V IMP!!
            parent = parent.getParent();
            alternateParent = alternateParent.getParent();
        }
    } else if (parent.getNodeType() == ASTNode.FIELD_ACCESS) {
        FieldAccess fa = (FieldAccess) parent;
        Expression exp = fa.getExpression();
        if (fa.getName().toString().equals(findMe.toString())) {
            constrains.add(ASTNode.FIELD_DECLARATION);
            if (exp != null) {
                constrains.add(ASTNode.TYPE_DECLARATION);
                //              + exp.getClass().getName() + " parent: " + exp.getParent());
                if (exp instanceof MethodInvocation) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((MethodInvocation) exp).getName(), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2(stp.getName(), alternateParent);
                    return definedIn(declaringClass, fa.getName().toString(), constrains);
                } else if (exp instanceof FieldAccess) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((FieldAccess) exp).getName(), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2((stp.getName()), alternateParent);
                    constrains.add(ASTNode.TYPE_DECLARATION);
                    return definedIn(declaringClass, fa.getName().toString(), constrains);
                }
                if (exp instanceof SimpleName) {
                    SimpleType stp = extracTypeInfo(findDeclaration2(((SimpleName) exp), alternateParent));
                    if (stp == null)
                        return null;
                    declaringClass = findDeclaration2(stp.getName(), alternateParent);
                    //            log("FA.SN " + getNodeAsString(declaringClass));
                    constrains.add(ASTNode.METHOD_DECLARATION);
                    return definedIn(declaringClass, fa.getName().toString(), constrains);
                }
            }
        } else {
            // Move one up the ast. V V IMP!!
            parent = parent.getParent();
            alternateParent = alternateParent.getParent();
        }
    } else if (parent.getNodeType() == ASTNode.QUALIFIED_NAME) {
        QualifiedName qn = (QualifiedName) parent;
        if (!findMe.toString().equals(qn.getQualifier().toString())) {
            SimpleType stp = extracTypeInfo(findDeclaration2((qn.getQualifier()), alternateParent));
            if (stp == null)
                return null;
            declaringClass = findDeclaration2(stp.getName(), alternateParent);
            //        log(qn.getQualifier() + "->" + qn.getName());
            //        log("QN decl class: " + getNodeAsString(declaringClass));
            constrains.clear();
            constrains.add(ASTNode.TYPE_DECLARATION);
            constrains.add(ASTNode.FIELD_DECLARATION);
            return definedIn(declaringClass, qn.getName().toString(), constrains);
        } else {
            if (findMe instanceof QualifiedName) {
                QualifiedName qnn = (QualifiedName) findMe;
                //          log("findMe is a QN, "
                //              + (qnn.getQualifier().toString() + " other " + qnn.getName()
                //                  .toString()));
                SimpleType stp = extracTypeInfo(findDeclaration2((qnn.getQualifier()), alternateParent));
                if (stp == null) {
                    return null;
                }
                //          log(qnn.getQualifier() + "->" + qnn.getName());
                declaringClass = findDeclaration2(stp.getName(), alternateParent);
                //          log("QN decl class: "
                //              + getNodeAsString(declaringClass));
                constrains.clear();
                constrains.add(ASTNode.TYPE_DECLARATION);
                constrains.add(ASTNode.FIELD_DECLARATION);
                return definedIn(declaringClass, qnn.getName().toString(), constrains);
            }
        }
    } else if (parent.getNodeType() == ASTNode.SIMPLE_TYPE) {
        constrains.add(ASTNode.TYPE_DECLARATION);
        if (parent.getParent().getNodeType() == ASTNode.CLASS_INSTANCE_CREATION)
            constrains.add(ASTNode.CLASS_INSTANCE_CREATION);
    } else if (parent instanceof Expression) {
    //      constrains.add(ASTNode.TYPE_DECLARATION);
    //      constrains.add(ASTNode.METHOD_DECLARATION);
    //      constrains.add(ASTNode.FIELD_DECLARATION);
    }
    //    log("Alternate parent: " + getNodeAsString(alternateParent));
    while (alternateParent != null) {
        //          + getNodeAsString(alternateParent));
        for (Object oprop : alternateParent.structuralPropertiesForType()) {
            StructuralPropertyDescriptor prop = (StructuralPropertyDescriptor) oprop;
            if (prop.isChildProperty() || prop.isSimpleProperty()) {
                if (alternateParent.getStructuralProperty(prop) instanceof ASTNode) {
                    //            log(prop + " C/S Prop of -> "
                    //                + getNodeAsString(alternateParent));
                    ret = definedIn((ASTNode) alternateParent.getStructuralProperty(prop), findMe.toString(), constrains);
                    if (ret != null)
                        return ret;
                }
            } else if (prop.isChildListProperty()) {
                //          log((prop) + " ChildList props of "
                //              + getNodeAsString(alternateParent));
                List<ASTNode> nodelist = (List<ASTNode>) alternateParent.getStructuralProperty(prop);
                for (ASTNode retNode : nodelist) {
                    ret = definedIn(retNode, findMe.toString(), constrains);
                    if (ret != null)
                        return ret;
                }
            }
        }
        alternateParent = alternateParent.getParent();
    }
    return null;
}

Example 17 with QualifiedName

use of org.eclipse.jdt.core.dom.QualifiedName in project AutoRefactor by JnRouvignac.

the class RemoveUnneededThisExpressionRefactoring method thisExpressionRefersToEnclosingType.

private static boolean thisExpressionRefersToEnclosingType(Name thisQualifierName, ASTNode node) {
    if (thisQualifierName == null) {
        return true;
    }
    final ASTNode enclosingType = getEnclosingType(node);
    if (enclosingType instanceof AnonymousClassDeclaration) {
        return false;
    }
    final AbstractTypeDeclaration ancestor = (AbstractTypeDeclaration) enclosingType;
    if (thisQualifierName instanceof SimpleName) {
        return isEqual((SimpleName) thisQualifierName, ancestor.getName());
    } else if (thisQualifierName instanceof QualifiedName) {
        final QualifiedName qn = (QualifiedName) thisQualifierName;
        return isEqual(qn.getName(), ancestor.getName()) && thisExpressionRefersToEnclosingType(qn.getQualifier(), ancestor);
    }
    throw new NotImplementedException(thisQualifierName);
}

Example 18 with QualifiedName

use of org.eclipse.jdt.core.dom.QualifiedName in project che by eclipse.

the class ImportRemover method divideTypeRefs.

private void divideTypeRefs(List<SimpleName> importNames, List<SimpleName> staticNames, List<SimpleName> removedRefs, List<SimpleName> unremovedRefs) {
    final List<int[]> removedStartsEnds = new ArrayList<int[]>();
    fRoot.accept(new ASTVisitor(true) {

        int fRemovingStart = -1;

        @Override
        public void preVisit(ASTNode node) {
            Object property = node.getProperty(PROPERTY_KEY);
            if (property == REMOVED) {
                if (fRemovingStart == -1) {
                    fRemovingStart = node.getStartPosition();
                } else {
                    /*
						 * Bug in client code: REMOVED node should not be nested inside another REMOVED node without
						 * an intermediate RETAINED node.
						 * Drop REMOVED property to prevent problems later (premature end of REMOVED section).
						 */
                    node.setProperty(PROPERTY_KEY, null);
                }
            } else if (property == RETAINED) {
                if (fRemovingStart != -1) {
                    removedStartsEnds.add(new int[] { fRemovingStart, node.getStartPosition() });
                    fRemovingStart = -1;
                } else {
                    /*
						 * Bug in client code: RETAINED node should not be nested inside another RETAINED node without
						 * an intermediate REMOVED node and must have an enclosing REMOVED node.
						 * Drop RETAINED property to prevent problems later (premature restart of REMOVED section).
						 */
                    node.setProperty(PROPERTY_KEY, null);
                }
            }
            super.preVisit(node);
        }

        @Override
        public void postVisit(ASTNode node) {
            Object property = node.getProperty(PROPERTY_KEY);
            if (property == RETAINED) {
                int end = node.getStartPosition() + node.getLength();
                fRemovingStart = end;
            } else if (property == REMOVED) {
                if (fRemovingStart != -1) {
                    int end = node.getStartPosition() + node.getLength();
                    removedStartsEnds.add(new int[] { fRemovingStart, end });
                    fRemovingStart = -1;
                }
            }
            super.postVisit(node);
        }
    });
    for (Iterator<SimpleName> iterator = importNames.iterator(); iterator.hasNext(); ) {
        SimpleName name = iterator.next();
        if (isInRemoved(name, removedStartsEnds))
            removedRefs.add(name);
        else
            unremovedRefs.add(name);
    }
    for (Iterator<SimpleName> iterator = staticNames.iterator(); iterator.hasNext(); ) {
        SimpleName name = iterator.next();
        if (isInRemoved(name, removedStartsEnds))
            removedRefs.add(name);
        else
            unremovedRefs.add(name);
    }
    for (Iterator<ImportDeclaration> iterator = fInlinedStaticImports.iterator(); iterator.hasNext(); ) {
        ImportDeclaration importDecl = iterator.next();
        Name name = importDecl.getName();
        if (name instanceof QualifiedName)
            name = ((QualifiedName) name).getName();
        removedRefs.add((SimpleName) name);
    }
}

Example 19 with QualifiedName

use of org.eclipse.jdt.core.dom.QualifiedName in project che by eclipse.

the class UnresolvedElementsSubProcessor method addNewTypeProposals.

public static void addNewTypeProposals(ICompilationUnit cu, Name refNode, int kind, int relevance, Collection<ICommandAccess> proposals) throws CoreException {
    Name node = refNode;
    do {
        String typeName = ASTNodes.getSimpleNameIdentifier(node);
        Name qualifier = null;
        // only propose to create types for qualifiers when the name starts with upper case
        boolean isPossibleName = isLikelyTypeName(typeName) || node == refNode;
        if (isPossibleName) {
            IPackageFragment enclosingPackage = null;
            IType enclosingType = null;
            if (node.isSimpleName()) {
                enclosingPackage = (IPackageFragment) cu.getParent();
            // don't suggest member type, user can select it in wizard
            } else {
                Name qualifierName = ((QualifiedName) node).getQualifier();
                IBinding binding = qualifierName.resolveBinding();
                if (binding != null && binding.isRecovered()) {
                    binding = null;
                }
                if (binding instanceof ITypeBinding) {
                    enclosingType = (IType) binding.getJavaElement();
                } else if (binding instanceof IPackageBinding) {
                    qualifier = qualifierName;
                    enclosingPackage = (IPackageFragment) binding.getJavaElement();
                } else {
                    IJavaElement[] res = cu.codeSelect(qualifierName.getStartPosition(), qualifierName.getLength());
                    if (res != null && res.length > 0 && res[0] instanceof IType) {
                        enclosingType = (IType) res[0];
                    } else {
                        qualifier = qualifierName;
                        enclosingPackage = JavaModelUtil.getPackageFragmentRoot(cu).getPackageFragment(ASTResolving.getFullName(qualifierName));
                    }
                }
            }
            int rel = relevance;
            if (enclosingPackage != null && isLikelyPackageName(enclosingPackage.getElementName())) {
                rel += 3;
            }
            if (enclosingPackage != null && !enclosingPackage.getCompilationUnit(typeName + JavaModelUtil.DEFAULT_CU_SUFFIX).exists() || enclosingType != null && !enclosingType.isReadOnly() && !enclosingType.getType(typeName).exists()) {
                // new member type
                IJavaElement enclosing = enclosingPackage != null ? (IJavaElement) enclosingPackage : enclosingType;
                //TODO NewCUUsingWizardProposal
                if ((kind & SimilarElementsRequestor.CLASSES) != 0) {
                //						proposals.add(new NewCUUsingWizardProposal(cu, node, NewCUUsingWizardProposal.K_CLASS, enclosing, rel+3));
                }
                if ((kind & SimilarElementsRequestor.INTERFACES) != 0) {
                //						proposals.add(new NewCUUsingWizardProposal(cu, node, NewCUUsingWizardProposal.K_INTERFACE, enclosing, rel+2));
                }
                if ((kind & SimilarElementsRequestor.ENUMS) != 0) {
                //						proposals.add(new NewCUUsingWizardProposal(cu, node, NewCUUsingWizardProposal.K_ENUM, enclosing, rel));
                }
                if ((kind & SimilarElementsRequestor.ANNOTATIONS) != 0) {
                    //						proposals.add(new NewCUUsingWizardProposal(cu, node, NewCUUsingWizardProposal.K_ANNOTATION, enclosing, rel + 1));
                    addNullityAnnotationTypesProposals(cu, node, proposals);
                }
            }
        }
        node = qualifier;
    } while (node != null);
    // type parameter proposals
    if (refNode.isSimpleName() && (kind & SimilarElementsRequestor.VARIABLES) != 0) {
        CompilationUnit root = (CompilationUnit) refNode.getRoot();
        String name = ((SimpleName) refNode).getIdentifier();
        BodyDeclaration declaration = ASTResolving.findParentBodyDeclaration(refNode);
        int baseRel = relevance;
        if (isLikelyTypeParameterName(name)) {
            baseRel += 8;
        }
        while (declaration != null) {
            IBinding binding = null;
            int rel = baseRel;
            if (declaration instanceof MethodDeclaration) {
                binding = ((MethodDeclaration) declaration).resolveBinding();
                if (isLikelyMethodTypeParameterName(name))
                    rel += 2;
            } else if (declaration instanceof TypeDeclaration) {
                binding = ((TypeDeclaration) declaration).resolveBinding();
                rel++;
            }
            if (binding != null) {
                AddTypeParameterProposal proposal = new AddTypeParameterProposal(cu, binding, root, name, null, rel);
                proposals.add(proposal);
            }
            if (!Modifier.isStatic(declaration.getModifiers())) {
                declaration = ASTResolving.findParentBodyDeclaration(declaration.getParent());
            } else {
                declaration = null;
            }
        }
    }
}

Example 20 with QualifiedName

use of org.eclipse.jdt.core.dom.QualifiedName in project che by eclipse.

the class UnresolvedElementsSubProcessor method getVariableProposals.

public static void getVariableProposals(IInvocationContext context, IProblemLocation problem, IVariableBinding resolvedField, Collection<ICommandAccess> proposals) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveredNode(astRoot);
    if (selectedNode == null) {
        return;
    }
    // type that defines the variable
    ITypeBinding binding = null;
    ITypeBinding declaringTypeBinding = Bindings.getBindingOfParentTypeContext(selectedNode);
    if (declaringTypeBinding == null) {
        return;
    }
    // possible type kind of the node
    boolean suggestVariableProposals = true;
    int typeKind = 0;
    while (selectedNode instanceof ParenthesizedExpression) {
        selectedNode = ((ParenthesizedExpression) selectedNode).getExpression();
    }
    Name node = null;
    switch(selectedNode.getNodeType()) {
        case ASTNode.SIMPLE_NAME:
            node = (SimpleName) selectedNode;
            ASTNode parent = node.getParent();
            StructuralPropertyDescriptor locationInParent = node.getLocationInParent();
            if (locationInParent == ExpressionMethodReference.EXPRESSION_PROPERTY) {
                typeKind = SimilarElementsRequestor.REF_TYPES;
            } else if (locationInParent == MethodInvocation.EXPRESSION_PROPERTY) {
                if (JavaModelUtil.is18OrHigher(cu.getJavaProject())) {
                    typeKind = SimilarElementsRequestor.CLASSES | SimilarElementsRequestor.INTERFACES | SimilarElementsRequestor.ENUMS;
                } else {
                    typeKind = SimilarElementsRequestor.CLASSES;
                }
            } else if (locationInParent == FieldAccess.NAME_PROPERTY) {
                Expression expression = ((FieldAccess) parent).getExpression();
                if (expression != null) {
                    binding = expression.resolveTypeBinding();
                    if (binding == null) {
                        node = null;
                    }
                }
            } else if (parent instanceof SimpleType || parent instanceof NameQualifiedType) {
                suggestVariableProposals = false;
                typeKind = SimilarElementsRequestor.REF_TYPES_AND_VAR;
            } else if (parent instanceof QualifiedName) {
                Name qualifier = ((QualifiedName) parent).getQualifier();
                if (qualifier != node) {
                    binding = qualifier.resolveTypeBinding();
                } else {
                    typeKind = SimilarElementsRequestor.REF_TYPES;
                }
                ASTNode outerParent = parent.getParent();
                while (outerParent instanceof QualifiedName) {
                    outerParent = outerParent.getParent();
                }
                if (outerParent instanceof SimpleType || outerParent instanceof NameQualifiedType) {
                    typeKind = SimilarElementsRequestor.REF_TYPES;
                    suggestVariableProposals = false;
                }
            } else if (locationInParent == SwitchCase.EXPRESSION_PROPERTY) {
                ITypeBinding switchExp = ((SwitchStatement) node.getParent().getParent()).getExpression().resolveTypeBinding();
                if (switchExp != null && switchExp.isEnum()) {
                    binding = switchExp;
                }
            } else if (locationInParent == SuperFieldAccess.NAME_PROPERTY) {
                binding = declaringTypeBinding.getSuperclass();
            }
            break;
        case ASTNode.QUALIFIED_NAME:
            QualifiedName qualifierName = (QualifiedName) selectedNode;
            ITypeBinding qualifierBinding = qualifierName.getQualifier().resolveTypeBinding();
            if (qualifierBinding != null) {
                node = qualifierName.getName();
                binding = qualifierBinding;
            } else {
                node = qualifierName.getQualifier();
                typeKind = SimilarElementsRequestor.REF_TYPES;
                suggestVariableProposals = node.isSimpleName();
            }
            if (selectedNode.getParent() instanceof SimpleType || selectedNode.getParent() instanceof NameQualifiedType) {
                typeKind = SimilarElementsRequestor.REF_TYPES;
                suggestVariableProposals = false;
            }
            break;
        case ASTNode.FIELD_ACCESS:
            FieldAccess access = (FieldAccess) selectedNode;
            Expression expression = access.getExpression();
            if (expression != null) {
                binding = expression.resolveTypeBinding();
                if (binding != null) {
                    node = access.getName();
                }
            }
            break;
        case ASTNode.SUPER_FIELD_ACCESS:
            binding = declaringTypeBinding.getSuperclass();
            node = ((SuperFieldAccess) selectedNode).getName();
            break;
        default:
    }
    if (node == null) {
        return;
    }
    // add type proposals
    if (typeKind != 0) {
        if (!JavaModelUtil.is50OrHigher(cu.getJavaProject())) {
            typeKind &= ~(SimilarElementsRequestor.ANNOTATIONS | SimilarElementsRequestor.ENUMS | SimilarElementsRequestor.VARIABLES);
        }
        int relevance = Character.isUpperCase(ASTNodes.getSimpleNameIdentifier(node).charAt(0)) ? IProposalRelevance.VARIABLE_TYPE_PROPOSAL_1 : IProposalRelevance.VARIABLE_TYPE_PROPOSAL_2;
        addSimilarTypeProposals(typeKind, cu, node, relevance + 1, proposals);
        typeKind &= ~SimilarElementsRequestor.ANNOTATIONS;
        addNewTypeProposals(cu, node, typeKind, relevance, proposals);
        ReorgCorrectionsSubProcessor.addProjectSetupFixProposal(context, problem, node.getFullyQualifiedName(), proposals);
    }
    if (!suggestVariableProposals) {
        return;
    }
    SimpleName simpleName = node.isSimpleName() ? (SimpleName) node : ((QualifiedName) node).getName();
    boolean isWriteAccess = ASTResolving.isWriteAccess(node);
    // similar variables
    addSimilarVariableProposals(cu, astRoot, binding, resolvedField, simpleName, isWriteAccess, proposals);
    if (binding == null) {
        addStaticImportFavoriteProposals(context, simpleName, false, proposals);
    }
    if (resolvedField == null || binding == null || resolvedField.getDeclaringClass() != binding.getTypeDeclaration() && Modifier.isPrivate(resolvedField.getModifiers())) {
        // new fields
        addNewFieldProposals(cu, astRoot, binding, declaringTypeBinding, simpleName, isWriteAccess, proposals);
        // new parameters and local variables
        if (binding == null) {
            addNewVariableProposals(cu, node, simpleName, proposals);
        }
    }
}