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

Example 81 with IBinding

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

the class ImportReferencesCollector method possibleStaticImportFound.

private void possibleStaticImportFound(Name name) {
    if (fStaticImports == null || fASTRoot == null) {
        return;
    }
    while (name.isQualifiedName()) {
        name = ((QualifiedName) name).getQualifier();
    }
    if (!isAffected(name)) {
        return;
    }
    IBinding binding = name.resolveBinding();
    SimpleName simpleName = (SimpleName) name;
    if (binding == null || binding instanceof ITypeBinding || !Modifier.isStatic(binding.getModifiers()) || simpleName.isDeclaration()) {
        return;
    }
    if (binding instanceof IVariableBinding) {
        IVariableBinding varBinding = (IVariableBinding) binding;
        if (varBinding.isField()) {
            varBinding = varBinding.getVariableDeclaration();
            ITypeBinding declaringClass = varBinding.getDeclaringClass();
            if (declaringClass != null && !declaringClass.isLocal()) {
                if (new ScopeAnalyzer(fASTRoot).isDeclaredInScope(varBinding, simpleName, ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY))
                    return;
                fStaticImports.add(simpleName);
            }
        }
    } else if (binding instanceof IMethodBinding) {
        IMethodBinding methodBinding = ((IMethodBinding) binding).getMethodDeclaration();
        ITypeBinding declaringClass = methodBinding.getDeclaringClass();
        if (declaringClass != null && !declaringClass.isLocal()) {
            if (new ScopeAnalyzer(fASTRoot).isDeclaredInScope(methodBinding, simpleName, ScopeAnalyzer.METHODS | ScopeAnalyzer.CHECK_VISIBILITY))
                return;
            fStaticImports.add(simpleName);
        }
    }
}

Example 82 with IBinding

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

the class StubUtility method getBaseNameFromExpression.

private static String getBaseNameFromExpression(IJavaProject project, Expression assignedExpression, int variableKind) {
    String name = null;
    if (assignedExpression instanceof CastExpression) {
        assignedExpression = ((CastExpression) assignedExpression).getExpression();
    }
    if (assignedExpression instanceof Name) {
        Name simpleNode = (Name) assignedExpression;
        IBinding binding = simpleNode.resolveBinding();
        if (binding instanceof IVariableBinding)
            return getBaseName((IVariableBinding) binding, project);
        return ASTNodes.getSimpleNameIdentifier(simpleNode);
    } else if (assignedExpression instanceof MethodInvocation) {
        name = ((MethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof SuperMethodInvocation) {
        name = ((SuperMethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof FieldAccess) {
        return ((FieldAccess) assignedExpression).getName().getIdentifier();
    } else if (variableKind == NamingConventions.VK_STATIC_FINAL_FIELD && (assignedExpression instanceof StringLiteral || assignedExpression instanceof NumberLiteral)) {
        String string = assignedExpression instanceof StringLiteral ? ((StringLiteral) assignedExpression).getLiteralValue() : ((NumberLiteral) assignedExpression).getToken();
        StringBuffer res = new StringBuffer();
        boolean needsUnderscore = false;
        for (int i = 0; i < string.length(); i++) {
            char ch = string.charAt(i);
            if (Character.isJavaIdentifierPart(ch)) {
                if (res.length() == 0 && !Character.isJavaIdentifierStart(ch) || needsUnderscore) {
                    res.append('_');
                }
                res.append(ch);
                needsUnderscore = false;
            } else {
                needsUnderscore = res.length() > 0;
            }
        }
        if (res.length() > 0) {
            return res.toString();
        }
    }
    if (name != null) {
        for (int i = 0; i < KNOWN_METHOD_NAME_PREFIXES.length; i++) {
            String curr = KNOWN_METHOD_NAME_PREFIXES[i];
            if (name.startsWith(curr)) {
                if (name.equals(curr)) {
                    // don't suggest 'get' as variable name
                    return null;
                } else if (Character.isUpperCase(name.charAt(curr.length()))) {
                    return name.substring(curr.length());
                }
            }
        }
    }
    return name;
}

Example 83 with IBinding

use of org.eclipse.jdt.core.dom.IBinding 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 84 with IBinding

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

the class UnresolvedElementsSubProcessor method getMethodProposals.

public static void getMethodProposals(IInvocationContext context, IProblemLocation problem, boolean isOnlyParameterMismatch, Collection<ICommandAccess> proposals) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (!(selectedNode instanceof SimpleName)) {
        return;
    }
    SimpleName nameNode = (SimpleName) selectedNode;
    List<Expression> arguments;
    Expression sender;
    boolean isSuperInvocation;
    ASTNode invocationNode = nameNode.getParent();
    if (invocationNode instanceof MethodInvocation) {
        MethodInvocation methodImpl = (MethodInvocation) invocationNode;
        arguments = methodImpl.arguments();
        sender = methodImpl.getExpression();
        isSuperInvocation = false;
    } else if (invocationNode instanceof SuperMethodInvocation) {
        SuperMethodInvocation methodImpl = (SuperMethodInvocation) invocationNode;
        arguments = methodImpl.arguments();
        sender = methodImpl.getQualifier();
        isSuperInvocation = true;
    } else {
        return;
    }
    String methodName = nameNode.getIdentifier();
    int nArguments = arguments.size();
    // corrections
    IBinding[] bindings = (new ScopeAnalyzer(astRoot)).getDeclarationsInScope(nameNode, ScopeAnalyzer.METHODS);
    HashSet<String> suggestedRenames = new HashSet<String>();
    for (int i = 0; i < bindings.length; i++) {
        IMethodBinding binding = (IMethodBinding) bindings[i];
        String curr = binding.getName();
        if (!curr.equals(methodName) && binding.getParameterTypes().length == nArguments && NameMatcher.isSimilarName(methodName, curr) && suggestedRenames.add(curr)) {
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changemethod_description, BasicElementLabels.getJavaElementName(curr));
            proposals.add(new RenameNodeCorrectionProposal(label, context.getCompilationUnit(), problem.getOffset(), problem.getLength(), curr, IProposalRelevance.CHANGE_METHOD));
        }
    }
    suggestedRenames = null;
    if (isOnlyParameterMismatch) {
        ArrayList<IMethodBinding> parameterMismatchs = new ArrayList<IMethodBinding>();
        for (int i = 0; i < bindings.length; i++) {
            IMethodBinding binding = (IMethodBinding) bindings[i];
            if (binding.getName().equals(methodName)) {
                parameterMismatchs.add(binding);
            }
        }
        addParameterMissmatchProposals(context, problem, parameterMismatchs, invocationNode, arguments, proposals);
    }
    if (sender == null) {
        addStaticImportFavoriteProposals(context, nameNode, true, proposals);
    }
    // new method
    addNewMethodProposals(cu, astRoot, sender, arguments, isSuperInvocation, invocationNode, methodName, proposals);
    if (!isOnlyParameterMismatch && !isSuperInvocation && sender != null) {
        addMissingCastParentsProposal(cu, (MethodInvocation) invocationNode, proposals);
    }
    if (!isSuperInvocation && sender == null && invocationNode.getParent() instanceof ThrowStatement) {
        //$NON-NLS-1$ // do it the manual way, copting all the arguments is nasty
        String str = "new ";
        String label = CorrectionMessages.UnresolvedElementsSubProcessor_addnewkeyword_description;
        int relevance = Character.isUpperCase(methodName.charAt(0)) ? IProposalRelevance.ADD_NEW_KEYWORD_UPPERCASE : IProposalRelevance.ADD_NEW_KEYWORD;
        ReplaceCorrectionProposal proposal = new ReplaceCorrectionProposal(label, cu, invocationNode.getStartPosition(), 0, str, relevance);
        proposals.add(proposal);
    }
}

Example 85 with IBinding

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

the class UnresolvedElementsSubProcessor method getConstructorProposals.

public static void getConstructorProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (selectedNode == null) {
        return;
    }
    ITypeBinding targetBinding = null;
    List<Expression> arguments = null;
    IMethodBinding recursiveConstructor = null;
    int type = selectedNode.getNodeType();
    if (type == ASTNode.CLASS_INSTANCE_CREATION) {
        ClassInstanceCreation creation = (ClassInstanceCreation) selectedNode;
        IBinding binding = creation.getType().resolveBinding();
        if (binding instanceof ITypeBinding) {
            targetBinding = (ITypeBinding) binding;
            arguments = creation.arguments();
        }
    } else if (type == ASTNode.SUPER_CONSTRUCTOR_INVOCATION) {
        ITypeBinding typeBinding = Bindings.getBindingOfParentType(selectedNode);
        if (typeBinding != null && !typeBinding.isAnonymous()) {
            targetBinding = typeBinding.getSuperclass();
            arguments = ((SuperConstructorInvocation) selectedNode).arguments();
        }
    } else if (type == ASTNode.CONSTRUCTOR_INVOCATION) {
        ITypeBinding typeBinding = Bindings.getBindingOfParentType(selectedNode);
        if (typeBinding != null && !typeBinding.isAnonymous()) {
            targetBinding = typeBinding;
            arguments = ((ConstructorInvocation) selectedNode).arguments();
            recursiveConstructor = ASTResolving.findParentMethodDeclaration(selectedNode).resolveBinding();
        }
    }
    if (targetBinding == null) {
        return;
    }
    IMethodBinding[] methods = targetBinding.getDeclaredMethods();
    ArrayList<IMethodBinding> similarElements = new ArrayList<IMethodBinding>();
    for (int i = 0; i < methods.length; i++) {
        IMethodBinding curr = methods[i];
        if (curr.isConstructor() && recursiveConstructor != curr) {
            // similar elements can contain a implicit default constructor
            similarElements.add(curr);
        }
    }
    addParameterMissmatchProposals(context, problem, similarElements, selectedNode, arguments, proposals);
    if (targetBinding.isFromSource()) {
        ITypeBinding targetDecl = targetBinding.getTypeDeclaration();
        ICompilationUnit targetCU = ASTResolving.findCompilationUnitForBinding(cu, astRoot, targetDecl);
        if (targetCU != null) {
            String[] args = new String[] { ASTResolving.getMethodSignature(ASTResolving.getTypeSignature(targetDecl), getParameterTypes(arguments), false) };
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_createconstructor_description, args);
            Image image = JavaElementImageProvider.getDecoratedImage(JavaPluginImages.DESC_MISC_PUBLIC, JavaElementImageDescriptor.CONSTRUCTOR, JavaElementImageProvider.SMALL_SIZE);
            proposals.add(new NewMethodCorrectionProposal(label, targetCU, selectedNode, arguments, targetDecl, IProposalRelevance.CREATE_CONSTRUCTOR, image));
        }
    }
}