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

Example 11 with Expression

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

the class HandleEqualsAndHashCode method createEquals.

public MethodDeclaration createEquals(EclipseNode type, Collection<EclipseNode> fields, boolean callSuper, ASTNode source, FieldAccess fieldAccess, boolean needsCanEqual, List<Annotation> onParam) {
    int pS = source.sourceStart;
    int pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    setGeneratedBy(method, source);
    method.modifiers = toEclipseModifier(AccessLevel.PUBLIC);
    method.returnType = TypeReference.baseTypeReference(TypeIds.T_boolean, 0);
    method.returnType.sourceStart = pS;
    method.returnType.sourceEnd = pE;
    setGeneratedBy(method.returnType, source);
    method.annotations = new Annotation[] { makeMarkerAnnotation(TypeConstants.JAVA_LANG_OVERRIDE, source) };
    method.selector = "equals".toCharArray();
    method.thrownExceptions = null;
    method.typeParameters = null;
    method.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG;
    method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
    method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
    TypeReference objectRef = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { p, p, p });
    setGeneratedBy(objectRef, source);
    method.arguments = new Argument[] { new Argument(new char[] { 'o' }, 0, objectRef, Modifier.FINAL) };
    method.arguments[0].sourceStart = pS;
    method.arguments[0].sourceEnd = pE;
    if (!onParam.isEmpty())
        method.arguments[0].annotations = onParam.toArray(new Annotation[0]);
    setGeneratedBy(method.arguments[0], source);
    List<Statement> statements = new ArrayList<Statement>();
    /* if (o == this) return true; */
    {
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        ThisReference thisRef = new ThisReference(pS, pE);
        setGeneratedBy(thisRef, source);
        EqualExpression otherEqualsThis = new EqualExpression(oRef, thisRef, OperatorIds.EQUAL_EQUAL);
        setGeneratedBy(otherEqualsThis, source);
        TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
        setGeneratedBy(trueLiteral, source);
        ReturnStatement returnTrue = new ReturnStatement(trueLiteral, pS, pE);
        setGeneratedBy(returnTrue, source);
        IfStatement ifOtherEqualsThis = new IfStatement(otherEqualsThis, returnTrue, pS, pE);
        setGeneratedBy(ifOtherEqualsThis, source);
        statements.add(ifOtherEqualsThis);
    }
    /* if (!(o instanceof Outer.Inner.MyType) return false; */
    {
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        TypeReference typeReference = createTypeReference(type, p, source, false);
        setGeneratedBy(typeReference, source);
        InstanceOfExpression instanceOf = new InstanceOfExpression(oRef, typeReference);
        instanceOf.sourceStart = pS;
        instanceOf.sourceEnd = pE;
        setGeneratedBy(instanceOf, source);
        Expression notInstanceOf = new UnaryExpression(instanceOf, OperatorIds.NOT);
        setGeneratedBy(notInstanceOf, source);
        FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
        setGeneratedBy(falseLiteral, source);
        ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
        setGeneratedBy(returnFalse, source);
        IfStatement ifNotInstanceOf = new IfStatement(notInstanceOf, returnFalse, pS, pE);
        setGeneratedBy(ifNotInstanceOf, source);
        statements.add(ifNotInstanceOf);
    }
    char[] otherName = "other".toCharArray();
    /* Outer.Inner.MyType<?> other = (Outer.Inner.MyType<?>) o; */
    {
        if (!fields.isEmpty() || needsCanEqual) {
            LocalDeclaration other = new LocalDeclaration(otherName, pS, pE);
            other.modifiers |= ClassFileConstants.AccFinal;
            setGeneratedBy(other, source);
            TypeReference targetType = createTypeReference(type, p, source, true);
            setGeneratedBy(targetType, source);
            other.type = createTypeReference(type, p, source, true);
            setGeneratedBy(other.type, source);
            NameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
            setGeneratedBy(oRef, source);
            other.initialization = makeCastExpression(oRef, targetType, source);
            statements.add(other);
        }
    }
    /* if (!other.canEqual((java.lang.Object) this)) return false; */
    {
        if (needsCanEqual) {
            MessageSend otherCanEqual = new MessageSend();
            otherCanEqual.sourceStart = pS;
            otherCanEqual.sourceEnd = pE;
            setGeneratedBy(otherCanEqual, source);
            otherCanEqual.receiver = new SingleNameReference(otherName, p);
            setGeneratedBy(otherCanEqual.receiver, source);
            otherCanEqual.selector = "canEqual".toCharArray();
            ThisReference thisReference = new ThisReference(pS, pE);
            setGeneratedBy(thisReference, source);
            CastExpression castThisRef = makeCastExpression(thisReference, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), source);
            castThisRef.sourceStart = pS;
            castThisRef.sourceEnd = pE;
            otherCanEqual.arguments = new Expression[] { castThisRef };
            Expression notOtherCanEqual = new UnaryExpression(otherCanEqual, OperatorIds.NOT);
            setGeneratedBy(notOtherCanEqual, source);
            FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
            setGeneratedBy(falseLiteral, source);
            ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
            setGeneratedBy(returnFalse, source);
            IfStatement ifNotCanEqual = new IfStatement(notOtherCanEqual, returnFalse, pS, pE);
            setGeneratedBy(ifNotCanEqual, source);
            statements.add(ifNotCanEqual);
        }
    }
    /* if (!super.equals(o)) return false; */
    if (callSuper) {
        MessageSend callToSuper = new MessageSend();
        callToSuper.sourceStart = pS;
        callToSuper.sourceEnd = pE;
        setGeneratedBy(callToSuper, source);
        callToSuper.receiver = new SuperReference(pS, pE);
        setGeneratedBy(callToSuper.receiver, source);
        callToSuper.selector = "equals".toCharArray();
        SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
        setGeneratedBy(oRef, source);
        callToSuper.arguments = new Expression[] { oRef };
        Expression superNotEqual = new UnaryExpression(callToSuper, OperatorIds.NOT);
        setGeneratedBy(superNotEqual, source);
        FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
        setGeneratedBy(falseLiteral, source);
        ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
        setGeneratedBy(returnFalse, source);
        IfStatement ifSuperEquals = new IfStatement(superNotEqual, returnFalse, pS, pE);
        setGeneratedBy(ifSuperEquals, source);
        statements.add(ifSuperEquals);
    }
    for (EclipseNode field : fields) {
        TypeReference fType = getFieldType(field, fieldAccess);
        char[] token = fType.getLastToken();
        Expression thisFieldAccessor = createFieldAccessor(field, fieldAccess, source);
        Expression otherFieldAccessor = createFieldAccessor(field, fieldAccess, source, otherName);
        if (fType.dimensions() == 0 && token != null) {
            if (Arrays.equals(TypeConstants.FLOAT, token)) {
                statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Float".toCharArray(), source));
            } else if (Arrays.equals(TypeConstants.DOUBLE, token)) {
                statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Double".toCharArray(), source));
            } else if (BUILT_IN_TYPES.contains(new String(token))) {
                EqualExpression fieldsNotEqual = new EqualExpression(thisFieldAccessor, otherFieldAccessor, OperatorIds.NOT_EQUAL);
                setGeneratedBy(fieldsNotEqual, source);
                FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
                setGeneratedBy(falseLiteral, source);
                ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
                setGeneratedBy(returnStatement, source);
                IfStatement ifStatement = new IfStatement(fieldsNotEqual, returnStatement, pS, pE);
                setGeneratedBy(ifStatement, source);
                statements.add(ifStatement);
            } else /* objects */
            {
                /* final java.lang.Object this$fieldName = this.fieldName; */
                /* final java.lang.Object other$fieldName = other.fieldName; */
                /* if (this$fieldName == null ? other$fieldName != null : !this$fieldName.equals(other$fieldName)) return false;; */
                char[] thisDollarFieldName = ("this$" + field.getName()).toCharArray();
                char[] otherDollarFieldName = ("other$" + field.getName()).toCharArray();
                statements.add(createLocalDeclaration(source, thisDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), thisFieldAccessor));
                statements.add(createLocalDeclaration(source, otherDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), otherFieldAccessor));
                SingleNameReference this1 = new SingleNameReference(thisDollarFieldName, p);
                setGeneratedBy(this1, source);
                SingleNameReference this2 = new SingleNameReference(thisDollarFieldName, p);
                setGeneratedBy(this2, source);
                SingleNameReference other1 = new SingleNameReference(otherDollarFieldName, p);
                setGeneratedBy(other1, source);
                SingleNameReference other2 = new SingleNameReference(otherDollarFieldName, p);
                setGeneratedBy(other2, source);
                NullLiteral nullLiteral = new NullLiteral(pS, pE);
                setGeneratedBy(nullLiteral, source);
                EqualExpression fieldIsNull = new EqualExpression(this1, nullLiteral, OperatorIds.EQUAL_EQUAL);
                nullLiteral = new NullLiteral(pS, pE);
                setGeneratedBy(nullLiteral, source);
                EqualExpression otherFieldIsntNull = new EqualExpression(other1, nullLiteral, OperatorIds.NOT_EQUAL);
                MessageSend equalsCall = new MessageSend();
                equalsCall.sourceStart = pS;
                equalsCall.sourceEnd = pE;
                setGeneratedBy(equalsCall, source);
                equalsCall.receiver = this2;
                equalsCall.selector = "equals".toCharArray();
                equalsCall.arguments = new Expression[] { other2 };
                UnaryExpression fieldsNotEqual = new UnaryExpression(equalsCall, OperatorIds.NOT);
                fieldsNotEqual.sourceStart = pS;
                fieldsNotEqual.sourceEnd = pE;
                setGeneratedBy(fieldsNotEqual, source);
                ConditionalExpression fullEquals = new ConditionalExpression(fieldIsNull, otherFieldIsntNull, fieldsNotEqual);
                fullEquals.sourceStart = pS;
                fullEquals.sourceEnd = pE;
                setGeneratedBy(fullEquals, source);
                FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
                setGeneratedBy(falseLiteral, source);
                ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
                setGeneratedBy(returnStatement, source);
                IfStatement ifStatement = new IfStatement(fullEquals, returnStatement, pS, pE);
                setGeneratedBy(ifStatement, source);
                statements.add(ifStatement);
            }
        } else if (fType.dimensions() > 0 && token != null) {
            MessageSend arraysEqualCall = new MessageSend();
            arraysEqualCall.sourceStart = pS;
            arraysEqualCall.sourceEnd = pE;
            setGeneratedBy(arraysEqualCall, source);
            arraysEqualCall.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.UTIL, "Arrays".toCharArray());
            if (fType.dimensions() > 1 || !BUILT_IN_TYPES.contains(new String(token))) {
                arraysEqualCall.selector = "deepEquals".toCharArray();
            } else {
                arraysEqualCall.selector = "equals".toCharArray();
            }
            arraysEqualCall.arguments = new Expression[] { thisFieldAccessor, otherFieldAccessor };
            UnaryExpression arraysNotEqual = new UnaryExpression(arraysEqualCall, OperatorIds.NOT);
            arraysNotEqual.sourceStart = pS;
            arraysNotEqual.sourceEnd = pE;
            setGeneratedBy(arraysNotEqual, source);
            FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
            setGeneratedBy(falseLiteral, source);
            ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
            setGeneratedBy(returnStatement, source);
            IfStatement ifStatement = new IfStatement(arraysNotEqual, returnStatement, pS, pE);
            setGeneratedBy(ifStatement, source);
            statements.add(ifStatement);
        }
    }
    /* return true; */
    {
        TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
        setGeneratedBy(trueLiteral, source);
        ReturnStatement returnStatement = new ReturnStatement(trueLiteral, pS, pE);
        setGeneratedBy(returnStatement, source);
        statements.add(returnStatement);
    }
    method.statements = statements.toArray(new Statement[statements.size()]);
    return method;
}

Example 12 with Expression

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

the class HandleWither method createWither.

public MethodDeclaration createWither(TypeDeclaration parent, EclipseNode fieldNode, String name, int modifier, EclipseNode sourceNode, List<Annotation> onMethod, List<Annotation> onParam, boolean makeAbstract) {
    ASTNode source = sourceNode.get();
    if (name == null)
        return null;
    FieldDeclaration field = (FieldDeclaration) fieldNode.get();
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
    if (makeAbstract)
        modifier = modifier | ClassFileConstants.AccAbstract | ExtraCompilerModifiers.AccSemicolonBody;
    method.modifiers = modifier;
    method.returnType = cloneSelfType(fieldNode, source);
    if (method.returnType == null)
        return null;
    Annotation[] deprecated = null;
    if (isFieldDeprecated(fieldNode)) {
        deprecated = new Annotation[] { generateDeprecatedAnnotation(source) };
    }
    method.annotations = copyAnnotations(source, onMethod.toArray(new Annotation[0]), deprecated);
    Argument param = new Argument(field.name, p, copyType(field.type, source), ClassFileConstants.AccFinal);
    param.sourceStart = pS;
    param.sourceEnd = pE;
    method.arguments = new Argument[] { param };
    method.selector = name.toCharArray();
    method.binding = null;
    method.thrownExceptions = null;
    method.typeParameters = null;
    method.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN);
    Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN);
    if (!makeAbstract) {
        List<Expression> args = new ArrayList<Expression>();
        for (EclipseNode child : fieldNode.up().down()) {
            if (child.getKind() != Kind.FIELD)
                continue;
            FieldDeclaration childDecl = (FieldDeclaration) child.get();
            // Skip fields that start with $
            if (childDecl.name != null && childDecl.name.length > 0 && childDecl.name[0] == '$')
                continue;
            long fieldFlags = childDecl.modifiers;
            // Skip static fields.
            if ((fieldFlags & ClassFileConstants.AccStatic) != 0)
                continue;
            // Skip initialized final fields.
            if (((fieldFlags & ClassFileConstants.AccFinal) != 0) && childDecl.initialization != null)
                continue;
            if (child.get() == fieldNode.get()) {
                args.add(new SingleNameReference(field.name, p));
            } else {
                args.add(createFieldAccessor(child, FieldAccess.ALWAYS_FIELD, source));
            }
        }
        AllocationExpression constructorCall = new AllocationExpression();
        constructorCall.arguments = args.toArray(new Expression[0]);
        constructorCall.type = cloneSelfType(fieldNode, source);
        Expression identityCheck = new EqualExpression(createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source), new SingleNameReference(field.name, p), OperatorIds.EQUAL_EQUAL);
        ThisReference thisRef = new ThisReference(pS, pE);
        Expression conditional = new ConditionalExpression(identityCheck, thisRef, constructorCall);
        Statement returnStatement = new ReturnStatement(conditional, pS, pE);
        method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
        method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
        List<Statement> statements = new ArrayList<Statement>(5);
        if (nonNulls.length > 0) {
            Statement nullCheck = generateNullCheck(field, sourceNode);
            if (nullCheck != null)
                statements.add(nullCheck);
        }
        statements.add(returnStatement);
        method.statements = statements.toArray(new Statement[0]);
    }
    param.annotations = copyAnnotations(source, nonNulls, nullables, onParam.toArray(new Annotation[0]));
    method.traverse(new SetGeneratedByVisitor(source), parent.scope);
    return method;
}

Example 13 with Expression

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

the class HandleBuilder method generateBuildMethod.

public MethodDeclaration generateBuildMethod(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) {
        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);
        TypeParameter[] tps = ((TypeDeclaration) type.get()).typeParameters;
        if (tps != null) {
            TypeReference[] trs = new TypeReference[tps.length];
            for (int i = 0; i < trs.length; i++) {
                trs[i] = new SingleTypeReference(tps[i].name, 0);
            }
            invoke.typeArguments = trs;
        }
        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 14 with Expression

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

the class HandleBuilder method generateToBuilderMethod.

private MethodDeclaration generateToBuilderMethod(String methodName, String builderClassName, EclipseNode type, TypeParameter[] typeParams, List<BuilderFieldData> builderFields, boolean fluent, ASTNode source) {
    // return new ThingieBuilder<A, B>().setA(this.a).setB(this.b);
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    out.selector = methodName.toCharArray();
    out.modifiers = ClassFileConstants.AccPublic;
    out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    out.returnType = namePlusTypeParamsToTypeReference(builderClassName.toCharArray(), typeParams, p);
    AllocationExpression invoke = new AllocationExpression();
    invoke.type = namePlusTypeParamsToTypeReference(builderClassName.toCharArray(), typeParams, p);
    Expression receiver = invoke;
    for (BuilderFieldData bfd : builderFields) {
        char[] setterName = fluent ? bfd.name : HandlerUtil.buildAccessorName("set", new String(bfd.name)).toCharArray();
        MessageSend ms = new MessageSend();
        if (bfd.obtainVia == null || !bfd.obtainVia.field().isEmpty()) {
            char[] fieldName = bfd.obtainVia == null ? bfd.rawName : bfd.obtainVia.field().toCharArray();
            FieldReference fr = new FieldReference(fieldName, 0);
            fr.receiver = new ThisReference(0, 0);
            ms.arguments = new Expression[] { fr };
        } else {
            String obtainName = bfd.obtainVia.method();
            boolean obtainIsStatic = bfd.obtainVia.isStatic();
            MessageSend obtainExpr = new MessageSend();
            obtainExpr.receiver = obtainIsStatic ? new SingleNameReference(type.getName().toCharArray(), 0) : new ThisReference(0, 0);
            obtainExpr.selector = obtainName.toCharArray();
            if (obtainIsStatic)
                obtainExpr.arguments = new Expression[] { new ThisReference(0, 0) };
            ms.arguments = new Expression[] { obtainExpr };
        }
        ms.receiver = receiver;
        ms.selector = setterName;
        receiver = ms;
    }
    out.statements = new Statement[] { new ReturnStatement(receiver, pS, pE) };
    out.traverse(new SetGeneratedByVisitor(source), ((TypeDeclaration) type.get()).scope);
    return out;
}

Example 15 with Expression

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

the class HandleConstructor method createStaticConstructor.

public MethodDeclaration createStaticConstructor(AccessLevel level, String name, EclipseNode type, Collection<EclipseNode> fields, ASTNode source) {
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration constructor = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    constructor.modifiers = toEclipseModifier(level) | ClassFileConstants.AccStatic;
    TypeDeclaration typeDecl = (TypeDeclaration) type.get();
    constructor.returnType = EclipseHandlerUtil.namePlusTypeParamsToTypeReference(typeDecl.name, typeDecl.typeParameters, p);
    constructor.annotations = null;
    constructor.selector = name.toCharArray();
    constructor.thrownExceptions = null;
    constructor.typeParameters = copyTypeParams(((TypeDeclaration) type.get()).typeParameters, source);
    constructor.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
    constructor.bodyStart = constructor.declarationSourceStart = constructor.sourceStart = source.sourceStart;
    constructor.bodyEnd = constructor.declarationSourceEnd = constructor.sourceEnd = source.sourceEnd;
    List<Argument> params = new ArrayList<Argument>();
    List<Expression> assigns = new ArrayList<Expression>();
    AllocationExpression statement = new AllocationExpression();
    statement.sourceStart = pS;
    statement.sourceEnd = pE;
    statement.type = copyType(constructor.returnType, source);
    for (EclipseNode fieldNode : fields) {
        FieldDeclaration field = (FieldDeclaration) fieldNode.get();
        long fieldPos = (((long) field.sourceStart) << 32) | field.sourceEnd;
        SingleNameReference nameRef = new SingleNameReference(field.name, fieldPos);
        assigns.add(nameRef);
        Argument parameter = new Argument(field.name, fieldPos, copyType(field.type, source), Modifier.FINAL);
        parameter.annotations = copyAnnotations(source, findAnnotations(field, NON_NULL_PATTERN), findAnnotations(field, NULLABLE_PATTERN));
        params.add(parameter);
    }
    statement.arguments = assigns.isEmpty() ? null : assigns.toArray(new Expression[assigns.size()]);
    constructor.arguments = params.isEmpty() ? null : params.toArray(new Argument[params.size()]);
    constructor.statements = new Statement[] { new ReturnStatement(statement, (int) (p >> 32), (int) p) };
    constructor.traverse(new SetGeneratedByVisitor(source), typeDecl.scope);
    return constructor;
}