Examples with SingleTypeReference org.eclipse.jdt.internal.compiler.ast.SingleTypeReference used on opensource projects

Example 6 with SingleTypeReference

use of org.eclipse.jdt.internal.compiler.ast.SingleTypeReference in project lombok by rzwitserloot.

the class EclipseHandlerUtil method unboxAndRemoveAnnotationParameter.

public static List<Annotation> unboxAndRemoveAnnotationParameter(Annotation annotation, String annotationName, String errorName, EclipseNode errorNode) {
    if ("value".equals(annotationName)) {
        // and onConstructor. Let's exit early and very obviously:
        throw new UnsupportedOperationException("Lombok cannot unbox 'value' from SingleMemberAnnotation at this time.");
    }
    if (!NormalAnnotation.class.equals(annotation.getClass())) {
        // CompletionOnAnnotationMemberValuePair from triggering this handler.
        return Collections.emptyList();
    }
    NormalAnnotation normalAnnotation = (NormalAnnotation) annotation;
    MemberValuePair[] pairs = normalAnnotation.memberValuePairs;
    if (pairs == null)
        return Collections.emptyList();
    char[] nameAsCharArray = annotationName.toCharArray();
    top: for (int i = 0; i < pairs.length; i++) {
        boolean allowRaw;
        char[] name = pairs[i].name;
        if (name == null)
            continue;
        if (name.length < nameAsCharArray.length)
            continue;
        for (int j = 0; j < nameAsCharArray.length; j++) {
            if (name[j] != nameAsCharArray[j])
                continue top;
        }
        allowRaw = name.length > nameAsCharArray.length;
        for (int j = nameAsCharArray.length; j < name.length; j++) {
            if (name[j] != '_')
                continue top;
        }
        // If we're still here it's the targeted annotation param.
        Expression value = pairs[i].value;
        MemberValuePair[] newPairs = new MemberValuePair[pairs.length - 1];
        if (i > 0)
            System.arraycopy(pairs, 0, newPairs, 0, i);
        if (i < pairs.length - 1)
            System.arraycopy(pairs, i + 1, newPairs, i, pairs.length - i - 1);
        normalAnnotation.memberValuePairs = newPairs;
        // We have now removed the annotation parameter and stored the value,
        // which we must now unbox. It's either annotations, or @__(annotations).
        Expression content = null;
        if (value instanceof ArrayInitializer) {
            if (!allowRaw) {
                addError(errorName, errorNode);
                return Collections.emptyList();
            }
            content = value;
        } else if (!(value instanceof Annotation)) {
            addError(errorName, errorNode);
            return Collections.emptyList();
        } else {
            Annotation atDummyIdentifier = (Annotation) value;
            if (atDummyIdentifier.type instanceof SingleTypeReference && isAllValidOnXCharacters(((SingleTypeReference) atDummyIdentifier.type).token)) {
                if (atDummyIdentifier instanceof MarkerAnnotation) {
                    return Collections.emptyList();
                } else if (atDummyIdentifier instanceof NormalAnnotation) {
                    MemberValuePair[] mvps = ((NormalAnnotation) atDummyIdentifier).memberValuePairs;
                    if (mvps == null || mvps.length == 0) {
                        return Collections.emptyList();
                    }
                    if (mvps.length == 1 && Arrays.equals("value".toCharArray(), mvps[0].name)) {
                        content = mvps[0].value;
                    }
                } else if (atDummyIdentifier instanceof SingleMemberAnnotation) {
                    content = ((SingleMemberAnnotation) atDummyIdentifier).memberValue;
                } else {
                    addError(errorName, errorNode);
                    return Collections.emptyList();
                }
            } else {
                if (allowRaw) {
                    content = atDummyIdentifier;
                } else {
                    addError(errorName, errorNode);
                    return Collections.emptyList();
                }
            }
        }
        if (content == null) {
            addError(errorName, errorNode);
            return Collections.emptyList();
        }
        if (content instanceof Annotation) {
            return Collections.singletonList((Annotation) content);
        } else if (content instanceof ArrayInitializer) {
            Expression[] expressions = ((ArrayInitializer) content).expressions;
            List<Annotation> result = new ArrayList<Annotation>();
            if (expressions != null)
                for (Expression ex : expressions) {
                    if (ex instanceof Annotation)
                        result.add((Annotation) ex);
                    else {
                        addError(errorName, errorNode);
                        return Collections.emptyList();
                    }
                }
            return result;
        } else {
            addError(errorName, errorNode);
            return Collections.emptyList();
        }
    }
    return Collections.emptyList();
}

Example 7 with SingleTypeReference

use of org.eclipse.jdt.internal.compiler.ast.SingleTypeReference in project lombok by rzwitserloot.

the class EclipseHandlerUtil method copyType.

/**
 * You can't share TypeReference objects or subtle errors start happening.
 * Unfortunately the TypeReference type hierarchy is complicated and there's no clone
 * method on TypeReference itself. This method can clone them.
 */
public static TypeReference copyType(TypeReference ref, ASTNode source) {
    if (ref instanceof ParameterizedQualifiedTypeReference) {
        ParameterizedQualifiedTypeReference iRef = (ParameterizedQualifiedTypeReference) ref;
        TypeReference[][] args = null;
        if (iRef.typeArguments != null) {
            args = new TypeReference[iRef.typeArguments.length][];
            int idx = 0;
            for (TypeReference[] inRefArray : iRef.typeArguments) {
                if (inRefArray == null)
                    args[idx++] = null;
                else {
                    TypeReference[] outRefArray = new TypeReference[inRefArray.length];
                    int idx2 = 0;
                    for (TypeReference inRef : inRefArray) {
                        outRefArray[idx2++] = copyType(inRef, source);
                    }
                    args[idx++] = outRefArray;
                }
            }
        }
        TypeReference typeRef = new ParameterizedQualifiedTypeReference(iRef.tokens, args, iRef.dimensions(), copy(iRef.sourcePositions));
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    if (ref instanceof ArrayQualifiedTypeReference) {
        ArrayQualifiedTypeReference iRef = (ArrayQualifiedTypeReference) ref;
        TypeReference typeRef = new ArrayQualifiedTypeReference(iRef.tokens, iRef.dimensions(), copy(iRef.sourcePositions));
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    if (ref instanceof QualifiedTypeReference) {
        QualifiedTypeReference iRef = (QualifiedTypeReference) ref;
        TypeReference typeRef = new QualifiedTypeReference(iRef.tokens, copy(iRef.sourcePositions));
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    if (ref instanceof ParameterizedSingleTypeReference) {
        ParameterizedSingleTypeReference iRef = (ParameterizedSingleTypeReference) ref;
        TypeReference[] args = null;
        if (iRef.typeArguments != null) {
            args = new TypeReference[iRef.typeArguments.length];
            int idx = 0;
            for (TypeReference inRef : iRef.typeArguments) {
                if (inRef == null)
                    args[idx++] = null;
                else
                    args[idx++] = copyType(inRef, source);
            }
        }
        TypeReference typeRef = new ParameterizedSingleTypeReference(iRef.token, args, iRef.dimensions(), (long) iRef.sourceStart << 32 | iRef.sourceEnd);
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    if (ref instanceof ArrayTypeReference) {
        ArrayTypeReference iRef = (ArrayTypeReference) ref;
        TypeReference typeRef = new ArrayTypeReference(iRef.token, iRef.dimensions(), (long) iRef.sourceStart << 32 | iRef.sourceEnd);
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    if (ref instanceof Wildcard) {
        Wildcard original = (Wildcard) ref;
        Wildcard wildcard = new Wildcard(original.kind);
        wildcard.sourceStart = original.sourceStart;
        wildcard.sourceEnd = original.sourceEnd;
        if (original.bound != null)
            wildcard.bound = copyType(original.bound, source);
        if (source != null)
            setGeneratedBy(wildcard, source);
        return wildcard;
    }
    if (ref instanceof SingleTypeReference) {
        SingleTypeReference iRef = (SingleTypeReference) ref;
        TypeReference typeRef = new SingleTypeReference(iRef.token, (long) iRef.sourceStart << 32 | iRef.sourceEnd);
        if (source != null)
            setGeneratedBy(typeRef, source);
        return typeRef;
    }
    return ref;
}

Example 8 with SingleTypeReference

use of org.eclipse.jdt.internal.compiler.ast.SingleTypeReference in project lombok by rzwitserloot.

the class HandleBuilder method generateBuildMethod.

public MethodDeclaration generateBuildMethod(EclipseNode tdParent, boolean isStatic, String name, char[] staticName, TypeReference returnType, List<BuilderFieldData> builderFields, EclipseNode type, TypeReference[] thrownExceptions, boolean addCleaning, ASTNode source) {
    MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    List<Statement> statements = new ArrayList<Statement>();
    if (addCleaning) {
        FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
        thisUnclean.receiver = new ThisReference(0, 0);
        Expression notClean = new UnaryExpression(thisUnclean, OperatorIds.NOT);
        MessageSend invokeClean = new MessageSend();
        invokeClean.selector = CLEAN_METHOD_NAME;
        statements.add(new IfStatement(notClean, invokeClean, 0, 0));
    }
    for (BuilderFieldData bfd : builderFields) {
        if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
            bfd.singularData.getSingularizer().appendBuildCode(bfd.singularData, type, statements, bfd.name);
        }
    }
    List<Expression> args = new ArrayList<Expression>();
    for (BuilderFieldData bfd : builderFields) {
        if (bfd.nameOfSetFlag != null) {
            MessageSend inv = new MessageSend();
            inv.sourceStart = source.sourceStart;
            inv.sourceEnd = source.sourceEnd;
            inv.receiver = new SingleNameReference(((TypeDeclaration) tdParent.get()).name, 0L);
            inv.selector = bfd.nameOfDefaultProvider;
            inv.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
            args.add(new ConditionalExpression(new SingleNameReference(bfd.nameOfSetFlag, 0L), new SingleNameReference(bfd.name, 0L), inv));
        } else {
            args.add(new SingleNameReference(bfd.name, 0L));
        }
    }
    if (addCleaning) {
        FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
        thisUnclean.receiver = new ThisReference(0, 0);
        statements.add(new Assignment(thisUnclean, new TrueLiteral(0, 0), 0));
    }
    out.modifiers = ClassFileConstants.AccPublic;
    out.selector = name.toCharArray();
    out.thrownExceptions = copyTypes(thrownExceptions);
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    out.returnType = returnType;
    if (staticName == null) {
        AllocationExpression allocationStatement = new AllocationExpression();
        allocationStatement.type = copyType(out.returnType);
        allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        statements.add(new ReturnStatement(allocationStatement, 0, 0));
    } else {
        MessageSend invoke = new MessageSend();
        invoke.selector = staticName;
        if (isStatic)
            invoke.receiver = new SingleNameReference(type.up().getName().toCharArray(), 0);
        else
            invoke.receiver = new QualifiedThisReference(new SingleTypeReference(type.up().getName().toCharArray(), 0), 0, 0);
        invoke.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
        invoke.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
        if (returnType instanceof SingleTypeReference && Arrays.equals(TypeConstants.VOID, ((SingleTypeReference) returnType).token)) {
            statements.add(invoke);
        } else {
            statements.add(new ReturnStatement(invoke, 0, 0));
        }
    }
    out.statements = statements.isEmpty() ? null : statements.toArray(new Statement[statements.size()]);
    out.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
    return out;
}

Example 9 with SingleTypeReference

use of org.eclipse.jdt.internal.compiler.ast.SingleTypeReference in project lombok by rzwitserloot.

the class HandleHelper method handle.

@Override
public void handle(AnnotationValues<Helper> annotation, Annotation ast, EclipseNode annotationNode) {
    handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.HELPER_FLAG_USAGE, "@Helper");
    EclipseNode annotatedType = annotationNode.up();
    EclipseNode containingBlock = annotatedType == null ? null : annotatedType.directUp();
    Statement[] origStatements = getStatementsFromAstNode(containingBlock == null ? null : containingBlock.get());
    if (annotatedType == null || annotatedType.getKind() != Kind.TYPE || origStatements == null) {
        annotationNode.addError("@Helper is legal only on method-local classes.");
        return;
    }
    TypeDeclaration annotatedType_ = (TypeDeclaration) annotatedType.get();
    int indexOfType = -1;
    for (int i = 0; i < origStatements.length; i++) {
        if (origStatements[i] == annotatedType_) {
            indexOfType = i;
            break;
        }
    }
    final List<String> knownMethodNames = new ArrayList<String>();
    for (AbstractMethodDeclaration methodOfHelper : annotatedType_.methods) {
        if (!(methodOfHelper instanceof MethodDeclaration))
            continue;
        char[] name = methodOfHelper.selector;
        if (name != null && name.length > 0 && name[0] != '<')
            knownMethodNames.add(new String(name));
    }
    Collections.sort(knownMethodNames);
    final String[] knownMethodNames_ = knownMethodNames.toArray(new String[knownMethodNames.size()]);
    final char[] helperName = new char[annotatedType_.name.length + 1];
    final boolean[] helperUsed = new boolean[1];
    helperName[0] = '$';
    System.arraycopy(annotatedType_.name, 0, helperName, 1, helperName.length - 1);
    ASTVisitor visitor = new ASTVisitor() {

        @Override
        public boolean visit(MessageSend messageSend, BlockScope scope) {
            if (messageSend.receiver instanceof ThisReference) {
                if ((((ThisReference) messageSend.receiver).bits & ASTNode.IsImplicitThis) == 0)
                    return true;
            } else if (messageSend.receiver != null)
                return true;
            char[] name = messageSend.selector;
            if (name == null || name.length == 0 || name[0] == '<')
                return true;
            String n = new String(name);
            if (Arrays.binarySearch(knownMethodNames_, n) < 0)
                return true;
            messageSend.receiver = new SingleNameReference(helperName, messageSend.nameSourcePosition);
            helperUsed[0] = true;
            return true;
        }
    };
    for (int i = indexOfType + 1; i < origStatements.length; i++) {
        origStatements[i].traverse(visitor, null);
    }
    if (!helperUsed[0]) {
        annotationNode.addWarning("No methods of this helper class are ever used.");
        return;
    }
    Statement[] newStatements = new Statement[origStatements.length + 1];
    System.arraycopy(origStatements, 0, newStatements, 0, indexOfType + 1);
    System.arraycopy(origStatements, indexOfType + 1, newStatements, indexOfType + 2, origStatements.length - indexOfType - 1);
    LocalDeclaration decl = new LocalDeclaration(helperName, 0, 0);
    decl.modifiers |= ClassFileConstants.AccFinal;
    AllocationExpression alloc = new AllocationExpression();
    alloc.type = new SingleTypeReference(annotatedType_.name, 0L);
    decl.initialization = alloc;
    decl.type = new SingleTypeReference(annotatedType_.name, 0L);
    SetGeneratedByVisitor sgbvVisitor = new SetGeneratedByVisitor(annotationNode.get());
    decl.traverse(sgbvVisitor, null);
    newStatements[indexOfType + 1] = decl;
    setStatementsOfAstNode(containingBlock.get(), newStatements);
}

Example 10 with SingleTypeReference

use of org.eclipse.jdt.internal.compiler.ast.SingleTypeReference in project lombok by rzwitserloot.

the class HandleLog method selfType.

public static ClassLiteralAccess selfType(EclipseNode type, Annotation source) {
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    TypeDeclaration typeDeclaration = (TypeDeclaration) type.get();
    TypeReference typeReference = new SingleTypeReference(typeDeclaration.name, p);
    setGeneratedBy(typeReference, source);
    ClassLiteralAccess result = new ClassLiteralAccess(source.sourceEnd, typeReference);
    setGeneratedBy(result, source);
    return result;
}