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

Example 1 with InstanceOfExpression

use of org.eclipse.jdt.internal.compiler.ast.InstanceOfExpression 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 2 with InstanceOfExpression

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

the class HandleEqualsAndHashCode method createCanEqual.

public MethodDeclaration createCanEqual(EclipseNode type, ASTNode source, List<Annotation> onParam) {
    /* protected boolean canEqual(final java.lang.Object other) {
		 *     return other instanceof Outer.Inner.MyType;
		 * }
		 */
    int pS = source.sourceStart;
    int pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    char[] otherName = "other".toCharArray();
    MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
    setGeneratedBy(method, source);
    method.modifiers = toEclipseModifier(AccessLevel.PROTECTED);
    method.returnType = TypeReference.baseTypeReference(TypeIds.T_boolean, 0);
    method.returnType.sourceStart = pS;
    method.returnType.sourceEnd = pE;
    setGeneratedBy(method.returnType, source);
    method.selector = "canEqual".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(otherName, 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);
    SingleNameReference otherRef = new SingleNameReference(otherName, p);
    setGeneratedBy(otherRef, source);
    TypeReference typeReference = createTypeReference(type, p, source, false);
    setGeneratedBy(typeReference, source);
    InstanceOfExpression instanceOf = new InstanceOfExpression(otherRef, typeReference);
    instanceOf.sourceStart = pS;
    instanceOf.sourceEnd = pE;
    setGeneratedBy(instanceOf, source);
    ReturnStatement returnStatement = new ReturnStatement(instanceOf, pS, pE);
    setGeneratedBy(returnStatement, source);
    method.statements = new Statement[] { returnStatement };
    return method;
}