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Example 11 with SingleNameReference

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

the class EclipseHandlerUtil method createFieldAccessor.

static Expression createFieldAccessor(EclipseNode field, FieldAccess fieldAccess, ASTNode source) {
    int pS = source == null ? 0 : source.sourceStart, pE = source == null ? 0 : source.sourceEnd;
    long p = (long) pS << 32 | pE;
    boolean lookForGetter = lookForGetter(field, fieldAccess);
    GetterMethod getter = lookForGetter ? findGetter(field) : null;
    if (getter == null) {
        FieldDeclaration fieldDecl = (FieldDeclaration) field.get();
        FieldReference ref = new FieldReference(fieldDecl.name, p);
        if ((fieldDecl.modifiers & ClassFileConstants.AccStatic) != 0) {
            EclipseNode containerNode = field.up();
            if (containerNode != null && containerNode.get() instanceof TypeDeclaration) {
                ref.receiver = new SingleNameReference(((TypeDeclaration) containerNode.get()).name, p);
            } else {
                Expression smallRef = new FieldReference(field.getName().toCharArray(), p);
                if (source != null)
                    setGeneratedBy(smallRef, source);
                return smallRef;
            }
        } else {
            ref.receiver = new ThisReference(pS, pE);
        }
        if (source != null) {
            setGeneratedBy(ref, source);
            setGeneratedBy(ref.receiver, source);
        }
        return ref;
    }
    MessageSend call = new MessageSend();
    setGeneratedBy(call, source);
    call.sourceStart = pS;
    call.statementEnd = call.sourceEnd = pE;
    call.receiver = new ThisReference(pS, pE);
    setGeneratedBy(call.receiver, source);
    call.selector = getter.name;
    return call;
}
Also used : MessageSend(org.eclipse.jdt.internal.compiler.ast.MessageSend) FieldReference(org.eclipse.jdt.internal.compiler.ast.FieldReference) Expression(org.eclipse.jdt.internal.compiler.ast.Expression) AllocationExpression(org.eclipse.jdt.internal.compiler.ast.AllocationExpression) EqualExpression(org.eclipse.jdt.internal.compiler.ast.EqualExpression) CastExpression(org.eclipse.jdt.internal.compiler.ast.CastExpression) EclipseNode(lombok.eclipse.EclipseNode) ThisReference(org.eclipse.jdt.internal.compiler.ast.ThisReference) TypeDeclaration(org.eclipse.jdt.internal.compiler.ast.TypeDeclaration) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) FieldDeclaration(org.eclipse.jdt.internal.compiler.ast.FieldDeclaration)

Example 12 with SingleNameReference

use of org.eclipse.jdt.internal.compiler.ast.SingleNameReference 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;
}
Also used : QualifiedNameReference(org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference) NameReference(org.eclipse.jdt.internal.compiler.ast.NameReference) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) Argument(org.eclipse.jdt.internal.compiler.ast.Argument) ArrayList(java.util.ArrayList) EqualExpression(org.eclipse.jdt.internal.compiler.ast.EqualExpression) UnaryExpression(org.eclipse.jdt.internal.compiler.ast.UnaryExpression) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) SuperReference(org.eclipse.jdt.internal.compiler.ast.SuperReference) FalseLiteral(org.eclipse.jdt.internal.compiler.ast.FalseLiteral) IfStatement(org.eclipse.jdt.internal.compiler.ast.IfStatement) MessageSend(org.eclipse.jdt.internal.compiler.ast.MessageSend) TrueLiteral(org.eclipse.jdt.internal.compiler.ast.TrueLiteral) QualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference) ParameterizedQualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement) TypeReference(org.eclipse.jdt.internal.compiler.ast.TypeReference) ParameterizedSingleTypeReference(org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference) QualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference) ParameterizedQualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference) SingleTypeReference(org.eclipse.jdt.internal.compiler.ast.SingleTypeReference) LocalDeclaration(org.eclipse.jdt.internal.compiler.ast.LocalDeclaration) MethodDeclaration(org.eclipse.jdt.internal.compiler.ast.MethodDeclaration) Statement(org.eclipse.jdt.internal.compiler.ast.Statement) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement) IfStatement(org.eclipse.jdt.internal.compiler.ast.IfStatement) ConditionalExpression(org.eclipse.jdt.internal.compiler.ast.ConditionalExpression) ThisReference(org.eclipse.jdt.internal.compiler.ast.ThisReference) Expression(org.eclipse.jdt.internal.compiler.ast.Expression) BinaryExpression(org.eclipse.jdt.internal.compiler.ast.BinaryExpression) ConditionalExpression(org.eclipse.jdt.internal.compiler.ast.ConditionalExpression) InstanceOfExpression(org.eclipse.jdt.internal.compiler.ast.InstanceOfExpression) UnaryExpression(org.eclipse.jdt.internal.compiler.ast.UnaryExpression) EqualExpression(org.eclipse.jdt.internal.compiler.ast.EqualExpression) CastExpression(org.eclipse.jdt.internal.compiler.ast.CastExpression) EclipseNode(lombok.eclipse.EclipseNode) InstanceOfExpression(org.eclipse.jdt.internal.compiler.ast.InstanceOfExpression) CastExpression(org.eclipse.jdt.internal.compiler.ast.CastExpression) NullLiteral(org.eclipse.jdt.internal.compiler.ast.NullLiteral)

Example 13 with SingleNameReference

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

the class HandleSetter method createSetter.

static MethodDeclaration createSetter(TypeDeclaration parent, boolean deprecate, EclipseNode fieldNode, String name, char[] booleanFieldToSet, boolean shouldReturnThis, int modifier, EclipseNode sourceNode, List<Annotation> onMethod, List<Annotation> onParam) {
    FieldDeclaration field = (FieldDeclaration) fieldNode.get();
    ASTNode source = sourceNode.get();
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
    method.modifiers = modifier;
    if (shouldReturnThis) {
        method.returnType = cloneSelfType(fieldNode, source);
    }
    if (method.returnType == null) {
        method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
        method.returnType.sourceStart = pS;
        method.returnType.sourceEnd = pE;
        shouldReturnThis = false;
    }
    Annotation[] deprecated = null;
    if (isFieldDeprecated(fieldNode) || deprecate) {
        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), Modifier.FINAL);
    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;
    Expression fieldRef = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
    NameReference fieldNameRef = new SingleNameReference(field.name, p);
    Assignment assignment = new Assignment(fieldRef, fieldNameRef, (int) p);
    assignment.sourceStart = pS;
    assignment.sourceEnd = assignment.statementEnd = pE;
    method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
    method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
    Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN);
    Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN);
    List<Statement> statements = new ArrayList<Statement>(5);
    if (nonNulls.length == 0) {
        statements.add(assignment);
    } else {
        Statement nullCheck = generateNullCheck(field, sourceNode);
        if (nullCheck != null)
            statements.add(nullCheck);
        statements.add(assignment);
    }
    if (booleanFieldToSet != null) {
        statements.add(new Assignment(new SingleNameReference(booleanFieldToSet, p), new TrueLiteral(pS, pE), pE));
    }
    if (shouldReturnThis) {
        ThisReference thisRef = new ThisReference(pS, pE);
        ReturnStatement returnThis = new ReturnStatement(thisRef, pS, pE);
        statements.add(returnThis);
    }
    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;
}
Also used : NameReference(org.eclipse.jdt.internal.compiler.ast.NameReference) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) Argument(org.eclipse.jdt.internal.compiler.ast.Argument) MethodDeclaration(org.eclipse.jdt.internal.compiler.ast.MethodDeclaration) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement) Statement(org.eclipse.jdt.internal.compiler.ast.Statement) ArrayList(java.util.ArrayList) ThisReference(org.eclipse.jdt.internal.compiler.ast.ThisReference) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) FieldDeclaration(org.eclipse.jdt.internal.compiler.ast.FieldDeclaration) Annotation(org.eclipse.jdt.internal.compiler.ast.Annotation) Assignment(org.eclipse.jdt.internal.compiler.ast.Assignment) TrueLiteral(org.eclipse.jdt.internal.compiler.ast.TrueLiteral) Expression(org.eclipse.jdt.internal.compiler.ast.Expression) ASTNode(org.eclipse.jdt.internal.compiler.ast.ASTNode) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement)

Example 14 with SingleNameReference

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

the class EclipseHandlerUtil method generateNullCheck.

/**
 * Generates a new statement that checks if the given variable is null, and if so, throws a specified exception with the
 * variable name as message.
 *
 * @param exName The name of the exception to throw; normally {@code java.lang.NullPointerException}.
 */
public static Statement generateNullCheck(AbstractVariableDeclaration variable, EclipseNode sourceNode) {
    NullCheckExceptionType exceptionType = sourceNode.getAst().readConfiguration(ConfigurationKeys.NON_NULL_EXCEPTION_TYPE);
    if (exceptionType == null)
        exceptionType = NullCheckExceptionType.NULL_POINTER_EXCEPTION;
    ASTNode source = sourceNode.get();
    int pS = source.sourceStart, pE = source.sourceEnd;
    long p = (long) pS << 32 | pE;
    if (isPrimitive(variable.type))
        return null;
    AllocationExpression exception = new AllocationExpression();
    setGeneratedBy(exception, source);
    int partCount = 1;
    String exceptionTypeStr = exceptionType.getExceptionType();
    for (int i = 0; i < exceptionTypeStr.length(); i++) if (exceptionTypeStr.charAt(i) == '.')
        partCount++;
    long[] ps = new long[partCount];
    Arrays.fill(ps, 0L);
    exception.type = new QualifiedTypeReference(fromQualifiedName(exceptionTypeStr), ps);
    setGeneratedBy(exception.type, source);
    exception.arguments = new Expression[] { new StringLiteral(exceptionType.toExceptionMessage(new String(variable.name)).toCharArray(), pS, pE, 0) };
    setGeneratedBy(exception.arguments[0], source);
    ThrowStatement throwStatement = new ThrowStatement(exception, pS, pE);
    setGeneratedBy(throwStatement, source);
    SingleNameReference varName = new SingleNameReference(variable.name, p);
    setGeneratedBy(varName, source);
    NullLiteral nullLiteral = new NullLiteral(pS, pE);
    setGeneratedBy(nullLiteral, source);
    EqualExpression equalExpression = new EqualExpression(varName, nullLiteral, OperatorIds.EQUAL_EQUAL);
    equalExpression.sourceStart = pS;
    equalExpression.statementEnd = equalExpression.sourceEnd = pE;
    setGeneratedBy(equalExpression, source);
    Block throwBlock = new Block(0);
    throwBlock.statements = new Statement[] { throwStatement };
    throwBlock.sourceStart = pS;
    throwBlock.sourceEnd = pE;
    setGeneratedBy(throwBlock, source);
    IfStatement ifStatement = new IfStatement(equalExpression, throwBlock, 0, 0);
    setGeneratedBy(ifStatement, source);
    return ifStatement;
}
Also used : EqualExpression(org.eclipse.jdt.internal.compiler.ast.EqualExpression) NullCheckExceptionType(lombok.core.configuration.NullCheckExceptionType) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) IfStatement(org.eclipse.jdt.internal.compiler.ast.IfStatement) StringLiteral(org.eclipse.jdt.internal.compiler.ast.StringLiteral) AllocationExpression(org.eclipse.jdt.internal.compiler.ast.AllocationExpression) QualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference) ArrayQualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.ArrayQualifiedTypeReference) ParameterizedQualifiedTypeReference(org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference) ASTNode(org.eclipse.jdt.internal.compiler.ast.ASTNode) Block(org.eclipse.jdt.internal.compiler.ast.Block) ThrowStatement(org.eclipse.jdt.internal.compiler.ast.ThrowStatement) NullLiteral(org.eclipse.jdt.internal.compiler.ast.NullLiteral)

Example 15 with SingleNameReference

use of org.eclipse.jdt.internal.compiler.ast.SingleNameReference 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;
}
Also used : FieldReference(org.eclipse.jdt.internal.compiler.ast.FieldReference) MethodDeclaration(org.eclipse.jdt.internal.compiler.ast.MethodDeclaration) AbstractMethodDeclaration(org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration) Statement(org.eclipse.jdt.internal.compiler.ast.Statement) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement) IfStatement(org.eclipse.jdt.internal.compiler.ast.IfStatement) ConditionalExpression(org.eclipse.jdt.internal.compiler.ast.ConditionalExpression) ArrayList(java.util.ArrayList) QualifiedThisReference(org.eclipse.jdt.internal.compiler.ast.QualifiedThisReference) UnaryExpression(org.eclipse.jdt.internal.compiler.ast.UnaryExpression) QualifiedThisReference(org.eclipse.jdt.internal.compiler.ast.QualifiedThisReference) ThisReference(org.eclipse.jdt.internal.compiler.ast.ThisReference) SingleNameReference(org.eclipse.jdt.internal.compiler.ast.SingleNameReference) Assignment(org.eclipse.jdt.internal.compiler.ast.Assignment) MessageSend(org.eclipse.jdt.internal.compiler.ast.MessageSend) IfStatement(org.eclipse.jdt.internal.compiler.ast.IfStatement) TrueLiteral(org.eclipse.jdt.internal.compiler.ast.TrueLiteral) Expression(org.eclipse.jdt.internal.compiler.ast.Expression) ConditionalExpression(org.eclipse.jdt.internal.compiler.ast.ConditionalExpression) UnaryExpression(org.eclipse.jdt.internal.compiler.ast.UnaryExpression) AllocationExpression(org.eclipse.jdt.internal.compiler.ast.AllocationExpression) AllocationExpression(org.eclipse.jdt.internal.compiler.ast.AllocationExpression) ParameterizedSingleTypeReference(org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference) SingleTypeReference(org.eclipse.jdt.internal.compiler.ast.SingleTypeReference) ReturnStatement(org.eclipse.jdt.internal.compiler.ast.ReturnStatement) TypeDeclaration(org.eclipse.jdt.internal.compiler.ast.TypeDeclaration)

Aggregations

SingleNameReference (org.eclipse.jdt.internal.compiler.ast.SingleNameReference)32 Statement (org.eclipse.jdt.internal.compiler.ast.Statement)21 MessageSend (org.eclipse.jdt.internal.compiler.ast.MessageSend)20 ArrayList (java.util.ArrayList)18 ReturnStatement (org.eclipse.jdt.internal.compiler.ast.ReturnStatement)18 ThisReference (org.eclipse.jdt.internal.compiler.ast.ThisReference)18 Expression (org.eclipse.jdt.internal.compiler.ast.Expression)17 MethodDeclaration (org.eclipse.jdt.internal.compiler.ast.MethodDeclaration)17 QualifiedTypeReference (org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference)16 Argument (org.eclipse.jdt.internal.compiler.ast.Argument)15 AllocationExpression (org.eclipse.jdt.internal.compiler.ast.AllocationExpression)14 IfStatement (org.eclipse.jdt.internal.compiler.ast.IfStatement)14 TypeReference (org.eclipse.jdt.internal.compiler.ast.TypeReference)14 FieldReference (org.eclipse.jdt.internal.compiler.ast.FieldReference)13 EqualExpression (org.eclipse.jdt.internal.compiler.ast.EqualExpression)11 Annotation (org.eclipse.jdt.internal.compiler.ast.Annotation)10 QualifiedNameReference (org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference)10 Assignment (org.eclipse.jdt.internal.compiler.ast.Assignment)9 LocalDeclaration (org.eclipse.jdt.internal.compiler.ast.LocalDeclaration)9 SingleTypeReference (org.eclipse.jdt.internal.compiler.ast.SingleTypeReference)9