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

Example 1 with IBinding

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

the class OrganizeImportsOperation method addStaticImports.

private void addStaticImports(List<SimpleName> staticReferences, ImportRewrite importsStructure) {
    for (int i = 0; i < staticReferences.size(); i++) {
        Name name = staticReferences.get(i);
        IBinding binding = name.resolveBinding();
        if (binding != null) {
            // paranoia check
            importsStructure.addStaticImport(binding);
        }
    }
}

Example 2 with IBinding

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

the class AddImportsOperation method evaluateEdits.

private TextEdit evaluateEdits(CompilationUnit root, ImportRewrite importRewrite, int offset, int length, IProgressMonitor monitor) throws JavaModelException {
    SimpleName nameNode = null;
    if (root != null) {
        // got an AST
        ASTNode node = NodeFinder.perform(root, offset, length);
        if (node instanceof MarkerAnnotation) {
            node = ((Annotation) node).getTypeName();
        }
        if (node instanceof QualifiedName) {
            nameNode = ((QualifiedName) node).getName();
        } else if (node instanceof SimpleName) {
            nameNode = (SimpleName) node;
        }
    }
    String name, simpleName, containerName;
    int qualifierStart;
    int simpleNameStart;
    if (nameNode != null) {
        simpleName = nameNode.getIdentifier();
        simpleNameStart = nameNode.getStartPosition();
        if (nameNode.getLocationInParent() == QualifiedName.NAME_PROPERTY) {
            Name qualifier = ((QualifiedName) nameNode.getParent()).getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
        } else if (nameNode.getLocationInParent() == NameQualifiedType.NAME_PROPERTY) {
            NameQualifiedType nameQualifiedType = (NameQualifiedType) nameNode.getParent();
            Name qualifier = nameQualifiedType.getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
            List<Annotation> annotations = nameQualifiedType.annotations();
            if (!annotations.isEmpty()) {
                // don't remove annotations
                simpleNameStart = annotations.get(0).getStartPosition();
            }
        } else if (nameNode.getLocationInParent() == MethodInvocation.NAME_PROPERTY) {
            ASTNode qualifier = ((MethodInvocation) nameNode.getParent()).getExpression();
            if (qualifier instanceof Name) {
                containerName = ASTNodes.asString(qualifier);
                name = JavaModelUtil.concatenateName(containerName, simpleName);
                qualifierStart = qualifier.getStartPosition();
            } else {
                return null;
            }
        } else {
            //$NON-NLS-1$
            containerName = "";
            name = simpleName;
            qualifierStart = simpleNameStart;
        }
        IBinding binding = nameNode.resolveBinding();
        if (binding != null && !binding.isRecovered()) {
            if (binding instanceof ITypeBinding) {
                ITypeBinding typeBinding = ((ITypeBinding) binding).getTypeDeclaration();
                String qualifiedBindingName = typeBinding.getQualifiedName();
                if (containerName.length() > 0 && !qualifiedBindingName.equals(name)) {
                    return null;
                }
                ImportRewriteContext context = new ContextSensitiveImportRewriteContext(root, qualifierStart, importRewrite);
                String res = importRewrite.addImport(typeBinding, context);
                if (containerName.length() > 0 && !res.equals(simpleName)) {
                    // adding import failed
                    fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
                    return null;
                }
                if (containerName.length() == 0 && res.equals(simpleName)) {
                    // no change necessary
                    return null;
                }
                return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, new String());
            } else if (JavaModelUtil.is50OrHigher(fCompilationUnit.getJavaProject()) && (binding instanceof IVariableBinding || binding instanceof IMethodBinding)) {
                boolean isField = binding instanceof IVariableBinding;
                ITypeBinding declaringClass = isField ? ((IVariableBinding) binding).getDeclaringClass() : ((IMethodBinding) binding).getDeclaringClass();
                if (declaringClass == null) {
                    // variableBinding.getDeclaringClass() is null for array.length
                    return null;
                }
                if (Modifier.isStatic(binding.getModifiers())) {
                    if (containerName.length() > 0) {
                        if (containerName.equals(declaringClass.getName()) || containerName.equals(declaringClass.getQualifiedName())) {
                            ASTNode node = nameNode.getParent();
                            boolean isDirectlyAccessible = false;
                            while (node != null) {
                                if (isTypeDeclarationSubTypeCompatible(node, declaringClass)) {
                                    isDirectlyAccessible = true;
                                    break;
                                }
                                node = node.getParent();
                            }
                            if (!isDirectlyAccessible) {
                                if (Modifier.isPrivate(declaringClass.getModifiers())) {
                                    fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_not_visible_class, BasicElementLabels.getJavaElementName(declaringClass.getName())), null);
                                    return null;
                                }
                                String res = importRewrite.addStaticImport(declaringClass.getQualifiedName(), binding.getName(), isField);
                                if (!res.equals(simpleName)) {
                                    // adding import failed
                                    return null;
                                }
                            }
                            //$NON-NLS-1$
                            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
                        }
                    }
                }
                // no static imports for packages
                return null;
            } else {
                return null;
            }
        }
        if (binding != null && binding.getKind() != IBinding.TYPE) {
            // recovered binding
            return null;
        }
    } else {
        IBuffer buffer = fCompilationUnit.getBuffer();
        qualifierStart = getNameStart(buffer, offset);
        int nameEnd = getNameEnd(buffer, offset + length);
        int len = nameEnd - qualifierStart;
        name = buffer.getText(qualifierStart, len).trim();
        if (name.length() == 0) {
            return null;
        }
        simpleName = Signature.getSimpleName(name);
        containerName = Signature.getQualifier(name);
        IJavaProject javaProject = fCompilationUnit.getJavaProject();
        if (simpleName.length() == 0 || JavaConventionsUtil.validateJavaTypeName(simpleName, javaProject).matches(IStatus.ERROR) || (containerName.length() > 0 && JavaConventionsUtil.validateJavaTypeName(containerName, javaProject).matches(IStatus.ERROR))) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_invalid_selection, null);
            return null;
        }
        simpleNameStart = getSimpleNameStart(buffer, qualifierStart, containerName);
        int res = importRewrite.getDefaultImportRewriteContext().findInContext(containerName, simpleName, ImportRewriteContext.KIND_TYPE);
        if (res == ImportRewriteContext.RES_NAME_CONFLICT) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
            return null;
        } else if (res == ImportRewriteContext.RES_NAME_FOUND) {
            //$NON-NLS-1$
            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
        }
    }
    IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { fCompilationUnit.getJavaProject() });
    TypeNameMatch[] types = findAllTypes(simpleName, searchScope, nameNode, new SubProgressMonitor(monitor, 1));
    if (types.length == 0) {
        fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_notresolved_message, BasicElementLabels.getJavaElementName(simpleName)), null);
        return null;
    }
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    TypeNameMatch chosen;
    if (types.length > 1 && fQuery != null) {
        chosen = fQuery.chooseImport(types, containerName);
        if (chosen == null) {
            throw new OperationCanceledException();
        }
    } else {
        chosen = types[0];
    }
    ImportRewriteContext context = root == null ? null : new ContextSensitiveImportRewriteContext(root, simpleNameStart, importRewrite);
    importRewrite.addImport(chosen.getFullyQualifiedName(), context);
    //$NON-NLS-1$
    return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
}

Example 3 with IBinding

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

the class ContextSensitiveImportRewriteContext method findInContext.

@Override
public int findInContext(String qualifier, String name, int kind) {
    IBinding[] declarationsInScope = getDeclarationsInScope();
    for (int i = 0; i < declarationsInScope.length; i++) {
        if (declarationsInScope[i] instanceof ITypeBinding) {
            ITypeBinding typeBinding = (ITypeBinding) declarationsInScope[i];
            if (isSameType(typeBinding, qualifier, name)) {
                return RES_NAME_FOUND;
            } else if (isConflicting(typeBinding, name)) {
                return RES_NAME_CONFLICT;
            }
        } else if (declarationsInScope[i] != null) {
            if (isConflicting(declarationsInScope[i], name)) {
                return RES_NAME_CONFLICT;
            }
        }
    }
    Name[] names = getImportedNames();
    for (int i = 0; i < names.length; i++) {
        IBinding binding = names[i].resolveBinding();
        if (binding instanceof ITypeBinding && !binding.isRecovered()) {
            ITypeBinding typeBinding = (ITypeBinding) binding;
            if (isConflictingType(typeBinding, qualifier, name)) {
                return RES_NAME_CONFLICT;
            }
        }
    }
    List<AbstractTypeDeclaration> list = fCompilationUnit.types();
    for (Iterator<AbstractTypeDeclaration> iter = list.iterator(); iter.hasNext(); ) {
        AbstractTypeDeclaration type = iter.next();
        ITypeBinding binding = type.resolveBinding();
        if (binding != null) {
            if (isSameType(binding, qualifier, name)) {
                return RES_NAME_FOUND;
            } else {
                ITypeBinding decl = containingDeclaration(binding, qualifier, name);
                while (decl != null && !decl.equals(binding)) {
                    int modifiers = decl.getModifiers();
                    if (Modifier.isPrivate(modifiers))
                        return RES_NAME_CONFLICT;
                    decl = decl.getDeclaringClass();
                }
            }
        }
    }
    String[] addedImports = fImportRewrite.getAddedImports();
    String qualifiedName = JavaModelUtil.concatenateName(qualifier, name);
    for (int i = 0; i < addedImports.length; i++) {
        String addedImport = addedImports[i];
        if (qualifiedName.equals(addedImport)) {
            return RES_NAME_FOUND;
        } else {
            if (isConflicting(name, addedImport))
                return RES_NAME_CONFLICT;
        }
    }
    if (qualifier.equals("java.lang")) {
        //$NON-NLS-1$
        //No explicit import statement required
        ITypeRoot typeRoot = fCompilationUnit.getTypeRoot();
        if (typeRoot != null) {
            IPackageFragment packageFragment = (IPackageFragment) typeRoot.getParent();
            try {
                ICompilationUnit[] compilationUnits = packageFragment.getCompilationUnits();
                for (int i = 0; i < compilationUnits.length; i++) {
                    ICompilationUnit cu = compilationUnits[i];
                    IType[] allTypes = cu.getAllTypes();
                    for (int j = 0; j < allTypes.length; j++) {
                        IType type = allTypes[j];
                        String packageTypeName = type.getFullyQualifiedName();
                        if (isConflicting(name, packageTypeName))
                            return RES_NAME_CONFLICT;
                    }
                }
            } catch (JavaModelException e) {
            }
        }
    }
    return fImportRewrite.getDefaultImportRewriteContext().findInContext(qualifier, name, kind);
}

Example 4 with IBinding

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

the class LinkedNodeFinder method findByNode.

/**
	 * Find all nodes connected to the given name node. If the node has a binding then all nodes connected
	 * to this binding are returned. If the node has no binding, then all nodes that also miss a binding and have
	 * the same name are returned.
	 * @param root The root of the AST tree to search
	 * @param name The node to find linked nodes for
	 * @return Return
	 */
public static SimpleName[] findByNode(ASTNode root, SimpleName name) {
    IBinding binding = name.resolveBinding();
    if (binding != null) {
        return findByBinding(root, binding);
    }
    SimpleName[] names = findByProblems(root, name);
    if (names != null) {
        return names;
    }
    int parentKind = name.getParent().getNodeType();
    if (parentKind == ASTNode.LABELED_STATEMENT || parentKind == ASTNode.BREAK_STATEMENT || parentKind == ASTNode.CONTINUE_STATEMENT) {
        ArrayList<SimpleName> res = new ArrayList<SimpleName>();
        LabelFinder nodeFinder = new LabelFinder(name, res);
        root.accept(nodeFinder);
        return res.toArray(new SimpleName[res.size()]);
    }
    return new SimpleName[] { name };
}

Example 5 with IBinding

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

the class StubUtility method getParameterTypeNamesForSeeTag.

/*
	 * Returns the parameters type names used in see tags. Currently, these are always fully qualified.
	 */
private static String[] getParameterTypeNamesForSeeTag(IMethod overridden) {
    try {
        CheASTParser parser = CheASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
        parser.setProject(overridden.getJavaProject());
        IBinding[] bindings = parser.createBindings(new IJavaElement[] { overridden }, null);
        if (bindings.length == 1 && bindings[0] instanceof IMethodBinding) {
            return getParameterTypeNamesForSeeTag((IMethodBinding) bindings[0]);
        }
    } catch (IllegalStateException e) {
    // method does not exist
    }
    // fall back code. Not good for generic methods!
    String[] paramTypes = overridden.getParameterTypes();
    String[] paramTypeNames = new String[paramTypes.length];
    for (int i = 0; i < paramTypes.length; i++) {
        paramTypeNames[i] = Signature.toString(Signature.getTypeErasure(paramTypes[i]));
    }
    return paramTypeNames;
}