Examples with ReferenceBinding org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding used on opensource projects

Example 1 with ReferenceBinding

use of org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding in project che by eclipse.

the class Util method getUnresolvedJavaElement.

/**
     * Return the java element corresponding to the given compiler binding.
     */
public static JavaElement getUnresolvedJavaElement(MethodBinding methodBinding, WorkingCopyOwner workingCopyOwner, BindingsToNodesMap bindingsToNodes) {
    JavaElement unresolvedJavaElement = getUnresolvedJavaElement(methodBinding.declaringClass, workingCopyOwner, bindingsToNodes);
    if (unresolvedJavaElement == null || unresolvedJavaElement.getElementType() != IJavaElement.TYPE) {
        return null;
    }
    IType declaringType = (IType) unresolvedJavaElement;
    org.eclipse.jdt.internal.compiler.ast.ASTNode node = bindingsToNodes == null ? null : bindingsToNodes.get(methodBinding);
    if (node != null && !declaringType.isBinary()) {
        if (node instanceof AnnotationMethodDeclaration) {
            // node is an AnnotationMethodDeclaration
            AnnotationMethodDeclaration typeMemberDeclaration = (AnnotationMethodDeclaration) node;
            // annotation type members don't have parameters
            return (JavaElement) declaringType.getMethod(String.valueOf(typeMemberDeclaration.selector), CharOperation.NO_STRINGS);
        } else {
            // node is an MethodDeclaration
            MethodDeclaration methodDeclaration = (MethodDeclaration) node;
            Argument[] arguments = methodDeclaration.arguments;
            String[] parameterSignatures;
            if (arguments != null) {
                parameterSignatures = new String[arguments.length];
                for (int i = 0; i < arguments.length; i++) {
                    Argument argument = arguments[i];
                    TypeReference typeReference = argument.type;
                    int arrayDim = typeReference.dimensions();
                    String typeSig = Signature.createTypeSignature(CharOperation.concatWith(typeReference.getTypeName(), '.'), false);
                    if (arrayDim > 0) {
                        typeSig = Signature.createArraySignature(typeSig, arrayDim);
                    }
                    parameterSignatures[i] = typeSig;
                }
            } else {
                parameterSignatures = CharOperation.NO_STRINGS;
            }
            return (JavaElement) declaringType.getMethod(String.valueOf(methodDeclaration.selector), parameterSignatures);
        }
    } else {
        // case of method not in the created AST, or a binary method
        org.eclipse.jdt.internal.compiler.lookup.MethodBinding original = methodBinding.original();
        String selector = original.isConstructor() ? declaringType.getElementName() : new String(original.selector);
        boolean isBinary = declaringType.isBinary();
        ReferenceBinding enclosingType = original.declaringClass.enclosingType();
        // Static inner types' constructors don't get receivers (https://bugs.eclipse.org/bugs/show_bug.cgi?id=388137)
        boolean isInnerBinaryTypeConstructor = isBinary && original.isConstructor() && !original.declaringClass.isStatic() && enclosingType != null;
        TypeBinding[] parameters = original.parameters;
        int length = parameters == null ? 0 : parameters.length;
        int declaringIndex = isInnerBinaryTypeConstructor ? 1 : 0;
        String[] parameterSignatures = new String[declaringIndex + length];
        if (isInnerBinaryTypeConstructor)
            parameterSignatures[0] = new String(enclosingType.genericTypeSignature()).replace('/', '.');
        for (int i = 0; i < length; i++) {
            char[] signature = parameters[i].genericTypeSignature();
            if (isBinary) {
                signature = CharOperation.replaceOnCopy(signature, '/', '.');
            } else {
                signature = toUnresolvedTypeSignature(signature);
            }
            parameterSignatures[declaringIndex + i] = new String(signature);
        }
        IMethod result = declaringType.getMethod(selector, parameterSignatures);
        if (isBinary)
            return (JavaElement) result;
        if (// if perfect match (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=249567 )
        result.exists())
            return (JavaElement) result;
        IMethod[] methods = null;
        try {
            methods = declaringType.getMethods();
        } catch (JavaModelException e) {
            // declaring type doesn't exist
            return null;
        }
        IMethod[] candidates = Member.findMethods(result, methods);
        if (candidates == null || candidates.length == 0)
            return null;
        return (JavaElement) candidates[0];
    }
}

Example 2 with ReferenceBinding

use of org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding in project lombok by rzwitserloot.

the class PatchExtensionMethod method getApplicableExtensionMethods.

static List<Extension> getApplicableExtensionMethods(EclipseNode typeNode, Annotation ann, TypeBinding receiverType) {
    List<Extension> extensions = new ArrayList<Extension>();
    if ((typeNode != null) && (ann != null) && (receiverType != null)) {
        BlockScope blockScope = ((TypeDeclaration) typeNode.get()).initializerScope;
        EclipseNode annotationNode = typeNode.getNodeFor(ann);
        AnnotationValues<ExtensionMethod> annotation = createAnnotation(ExtensionMethod.class, annotationNode);
        boolean suppressBaseMethods = false;
        try {
            suppressBaseMethods = annotation.getInstance().suppressBaseMethods();
        } catch (AnnotationValueDecodeFail fail) {
            fail.owner.setError(fail.getMessage(), fail.idx);
        }
        for (Object extensionMethodProvider : annotation.getActualExpressions("value")) {
            if (extensionMethodProvider instanceof ClassLiteralAccess) {
                TypeBinding binding = ((ClassLiteralAccess) extensionMethodProvider).type.resolveType(blockScope);
                if (binding == null)
                    continue;
                if (!binding.isClass() && !binding.isEnum())
                    continue;
                Extension e = new Extension();
                e.extensionMethods = getApplicableExtensionMethodsDefinedInProvider(typeNode, (ReferenceBinding) binding, receiverType);
                e.suppressBaseMethods = suppressBaseMethods;
                extensions.add(e);
            }
        }
    }
    return extensions;
}

Example 3 with ReferenceBinding

use of org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding in project lombok by rzwitserloot.

the class PatchExtensionMethod method getApplicableExtensionMethodsDefinedInProvider.

private static List<MethodBinding> getApplicableExtensionMethodsDefinedInProvider(EclipseNode typeNode, ReferenceBinding extensionMethodProviderBinding, TypeBinding receiverType) {
    List<MethodBinding> extensionMethods = new ArrayList<MethodBinding>();
    CompilationUnitScope cuScope = ((CompilationUnitDeclaration) typeNode.top().get()).scope;
    for (MethodBinding method : extensionMethodProviderBinding.methods()) {
        if (!method.isStatic())
            continue;
        if (!method.isPublic())
            continue;
        if (method.parameters == null || method.parameters.length == 0)
            continue;
        TypeBinding firstArgType = method.parameters[0];
        if (receiverType.isProvablyDistinct(firstArgType) && !receiverType.isCompatibleWith(firstArgType.erasure()))
            continue;
        TypeBinding[] argumentTypes = Arrays.copyOfRange(method.parameters, 1, method.parameters.length);
        if ((receiverType instanceof ReferenceBinding) && ((ReferenceBinding) receiverType).getExactMethod(method.selector, argumentTypes, cuScope) != null)
            continue;
        extensionMethods.add(method);
    }
    return extensionMethods;
}

Example 4 with ReferenceBinding

use of org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding in project che by eclipse.

the class Util method getUnresolvedJavaElement.

/**
     * Return the java element corresponding to the given compiler binding.
     */
public static JavaElement getUnresolvedJavaElement(TypeBinding typeBinding, WorkingCopyOwner workingCopyOwner, BindingsToNodesMap bindingsToNodes) {
    if (typeBinding == null)
        return null;
    switch(typeBinding.kind()) {
        case Binding.ARRAY_TYPE:
            typeBinding = ((org.eclipse.jdt.internal.compiler.lookup.ArrayBinding) typeBinding).leafComponentType();
            return getUnresolvedJavaElement(typeBinding, workingCopyOwner, bindingsToNodes);
        case Binding.BASE_TYPE:
        case Binding.WILDCARD_TYPE:
        case Binding.INTERSECTION_TYPE:
            return null;
        default:
            if (typeBinding.isCapture())
                return null;
    }
    ReferenceBinding referenceBinding;
    if (typeBinding.isParameterizedType() || typeBinding.isRawType())
        referenceBinding = (ReferenceBinding) typeBinding.erasure();
    else
        referenceBinding = (ReferenceBinding) typeBinding;
    char[] fileName = referenceBinding.getFileName();
    if (referenceBinding.isLocalType() || referenceBinding.isAnonymousType()) {
        // local or anonymous type
        if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(fileName)) {
            int jarSeparator = CharOperation.indexOf(IDependent.JAR_FILE_ENTRY_SEPARATOR, fileName);
            // pkgEnd is exclusive
            int pkgEnd = CharOperation.lastIndexOf('/', fileName);
            if (pkgEnd == -1)
                pkgEnd = CharOperation.lastIndexOf(File.separatorChar, fileName);
            if (// if in a jar and no slash, it is a default package -> pkgEnd should be equal to jarSeparator
            jarSeparator != -1 && pkgEnd < jarSeparator)
                pkgEnd = jarSeparator;
            if (pkgEnd == -1)
                return null;
            IPackageFragment pkg = getPackageFragment(fileName, pkgEnd, jarSeparator);
            char[] constantPoolName = referenceBinding.constantPoolName();
            if (constantPoolName == null) {
                ClassFile classFile = (ClassFile) getClassFile(fileName);
                return classFile == null ? null : (JavaElement) classFile.getType();
            }
            pkgEnd = CharOperation.lastIndexOf('/', constantPoolName);
            char[] classFileName = CharOperation.subarray(constantPoolName, pkgEnd + 1, constantPoolName.length);
            ClassFile classFile = (ClassFile) pkg.getClassFile(new String(classFileName) + SuffixConstants.SUFFIX_STRING_class);
            return (JavaElement) classFile.getType();
        }
        ICompilationUnit cu = getCompilationUnit(fileName, workingCopyOwner);
        if (cu == null)
            return null;
        // must use getElementAt(...) as there is no back pointer to the defining method (scope is null after resolution has ended)
        try {
            int sourceStart = ((org.eclipse.jdt.internal.compiler.lookup.LocalTypeBinding) referenceBinding).sourceStart;
            return (JavaElement) cu.getElementAt(sourceStart);
        } catch (JavaModelException e) {
            // does not exist
            return null;
        }
    } else if (referenceBinding.isTypeVariable()) {
        // type parameter
        final String typeVariableName = new String(referenceBinding.sourceName());
        org.eclipse.jdt.internal.compiler.lookup.Binding declaringElement = ((org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding) referenceBinding).declaringElement;
        if (declaringElement instanceof MethodBinding) {
            IMethod declaringMethod = (IMethod) getUnresolvedJavaElement((MethodBinding) declaringElement, workingCopyOwner, bindingsToNodes);
            return (JavaElement) declaringMethod.getTypeParameter(typeVariableName);
        } else {
            IType declaringType = (IType) getUnresolvedJavaElement((TypeBinding) declaringElement, workingCopyOwner, bindingsToNodes);
            return (JavaElement) declaringType.getTypeParameter(typeVariableName);
        }
    } else {
        // case of a WilCardBinding that doesn't have a corresponding Java element
        if (fileName == null)
            return null;
        // member or top level type
        TypeBinding declaringTypeBinding = typeBinding.enclosingType();
        if (declaringTypeBinding == null) {
            // top level type
            if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(fileName)) {
                ClassFile classFile = (ClassFile) getClassFile(fileName);
                if (classFile == null)
                    return null;
                return (JavaElement) classFile.getType();
            }
            ICompilationUnit cu = getCompilationUnit(fileName, workingCopyOwner);
            if (cu == null)
                return null;
            return (JavaElement) cu.getType(new String(referenceBinding.sourceName()));
        } else {
            // member type
            IType declaringType = (IType) getUnresolvedJavaElement(declaringTypeBinding, workingCopyOwner, bindingsToNodes);
            if (declaringType == null)
                return null;
            return (JavaElement) declaringType.getType(new String(referenceBinding.sourceName()));
        }
    }
}

Example 5 with ReferenceBinding

use of org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding in project lombok by rzwitserloot.

the class EclipseHandlerUtil method makeType.

public static TypeReference makeType(TypeBinding binding, ASTNode pos, boolean allowCompound) {
    int dims = binding.dimensions();
    binding = binding.leafComponentType();
    // Primitives
    char[] base = null;
    switch(binding.id) {
        case TypeIds.T_int:
            base = TypeConstants.INT;
            break;
        case TypeIds.T_long:
            base = TypeConstants.LONG;
            break;
        case TypeIds.T_short:
            base = TypeConstants.SHORT;
            break;
        case TypeIds.T_byte:
            base = TypeConstants.BYTE;
            break;
        case TypeIds.T_double:
            base = TypeConstants.DOUBLE;
            break;
        case TypeIds.T_float:
            base = TypeConstants.FLOAT;
            break;
        case TypeIds.T_boolean:
            base = TypeConstants.BOOLEAN;
            break;
        case TypeIds.T_char:
            base = TypeConstants.CHAR;
            break;
        case TypeIds.T_void:
            base = TypeConstants.VOID;
            break;
        case TypeIds.T_null:
            return null;
    }
    if (base != null) {
        if (dims > 0) {
            TypeReference result = new ArrayTypeReference(base, dims, pos(pos));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new SingleTypeReference(base, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }
    if (binding.isAnonymousType()) {
        ReferenceBinding ref = (ReferenceBinding) binding;
        ReferenceBinding[] supers = ref.superInterfaces();
        if (supers == null || supers.length == 0)
            supers = new ReferenceBinding[] { ref.superclass() };
        if (supers[0] == null) {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        }
        return makeType(supers[0], pos, false);
    }
    if (binding instanceof CaptureBinding) {
        return makeType(((CaptureBinding) binding).wildcard, pos, allowCompound);
    }
    if (binding.isUnboundWildcard()) {
        if (!allowCompound) {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        } else {
            Wildcard out = new Wildcard(Wildcard.UNBOUND);
            setGeneratedBy(out, pos);
            out.sourceStart = pos.sourceStart;
            out.sourceEnd = pos.sourceEnd;
            return out;
        }
    }
    if (binding.isWildcard()) {
        WildcardBinding wildcard = (WildcardBinding) binding;
        if (wildcard.boundKind == Wildcard.EXTENDS) {
            if (!allowCompound) {
                return makeType(wildcard.bound, pos, false);
            } else {
                Wildcard out = new Wildcard(Wildcard.EXTENDS);
                setGeneratedBy(out, pos);
                out.bound = makeType(wildcard.bound, pos, false);
                out.sourceStart = pos.sourceStart;
                out.sourceEnd = pos.sourceEnd;
                return out;
            }
        } else if (allowCompound && wildcard.boundKind == Wildcard.SUPER) {
            Wildcard out = new Wildcard(Wildcard.SUPER);
            setGeneratedBy(out, pos);
            out.bound = makeType(wildcard.bound, pos, false);
            out.sourceStart = pos.sourceStart;
            out.sourceEnd = pos.sourceEnd;
            return out;
        } else {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        }
    }
    // Keep moving up via 'binding.enclosingType()' and gather generics from each binding. We stop after a local type, or a static type, or a top-level type.
    // Finally, add however many nullTypeArgument[] arrays as that are missing, inverse the list, toArray it, and use that as PTR's typeArgument argument.
    List<TypeReference[]> params = new ArrayList<TypeReference[]>();
    /* Calculate generics */
    {
        TypeBinding b = binding;
        while (true) {
            boolean isFinalStop = b.isLocalType() || !b.isMemberType() || b.enclosingType() == null;
            TypeReference[] tyParams = null;
            if (b instanceof ParameterizedTypeBinding) {
                ParameterizedTypeBinding paramized = (ParameterizedTypeBinding) b;
                if (paramized.arguments != null) {
                    tyParams = new TypeReference[paramized.arguments.length];
                    for (int i = 0; i < tyParams.length; i++) {
                        tyParams[i] = makeType(paramized.arguments[i], pos, true);
                    }
                }
            }
            params.add(tyParams);
            if (isFinalStop)
                break;
            b = b.enclosingType();
        }
    }
    char[][] parts;
    if (binding.isTypeVariable()) {
        parts = new char[][] { binding.shortReadableName() };
    } else if (binding.isLocalType()) {
        parts = new char[][] { binding.sourceName() };
    } else {
        String[] pkg = new String(binding.qualifiedPackageName()).split("\\.");
        String[] name = new String(binding.qualifiedSourceName()).split("\\.");
        if (pkg.length == 1 && pkg[0].isEmpty())
            pkg = new String[0];
        parts = new char[pkg.length + name.length][];
        int ptr;
        for (ptr = 0; ptr < pkg.length; ptr++) parts[ptr] = pkg[ptr].toCharArray();
        for (; ptr < pkg.length + name.length; ptr++) parts[ptr] = name[ptr - pkg.length].toCharArray();
    }
    while (params.size() < parts.length) params.add(null);
    Collections.reverse(params);
    boolean isParamized = false;
    for (TypeReference[] tyParams : params) {
        if (tyParams != null) {
            isParamized = true;
            break;
        }
    }
    if (isParamized) {
        if (parts.length > 1) {
            TypeReference[][] typeArguments = params.toArray(new TypeReference[0][]);
            TypeReference result = new ParameterizedQualifiedTypeReference(parts, typeArguments, dims, poss(pos, parts.length));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new ParameterizedSingleTypeReference(parts[0], params.get(0), dims, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }
    if (dims > 0) {
        if (parts.length > 1) {
            TypeReference result = new ArrayQualifiedTypeReference(parts, dims, poss(pos, parts.length));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new ArrayTypeReference(parts[0], dims, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }
    if (parts.length > 1) {
        TypeReference result = new QualifiedTypeReference(parts, poss(pos, parts.length));
        setGeneratedBy(result, pos);
        return result;
    }
    TypeReference result = new SingleTypeReference(parts[0], pos(pos));
    setGeneratedBy(result, pos);
    return result;
}