Examples with CFValue org.checkerframework.framework.flow.CFValue used on opensource projects

Example 21 with CFValue

use of org.checkerframework.framework.flow.CFValue in project checker-framework by typetools.

the class RegexTransfer method visitMethodInvocation.

// TODO: These are special cases for isRegex(String, int) and asRegex(String, int).
// They should be replaced by adding an @EnsuresQualifierIf annotation that supports
// specifying attributes.
@Override
public TransferResult<CFValue, CFStore> visitMethodInvocation(MethodInvocationNode n, TransferInput<CFValue, CFStore> in) {
    TransferResult<CFValue, CFStore> result = super.visitMethodInvocation(n, in);
    // refine result for some helper methods
    MethodAccessNode target = n.getTarget();
    ExecutableElement method = target.getMethod();
    Node receiver = target.getReceiver();
    if (receiver instanceof ClassNameNode) {
        ClassNameNode cnn = (ClassNameNode) receiver;
        String receiverName = cnn.getElement().toString();
        if (isRegexUtil(receiverName)) {
            result = handleRegexUtil(n, method, result);
        }
    }
    return result;
}

Example 22 with CFValue

use of org.checkerframework.framework.flow.CFValue in project checker-framework by typetools.

the class RegexTransfer method handleRegexUtil.

private TransferResult<CFValue, CFStore> handleRegexUtil(MethodInvocationNode n, ExecutableElement method, TransferResult<CFValue, CFStore> result) {
    RegexAnnotatedTypeFactory factory = (RegexAnnotatedTypeFactory) analysis.getTypeFactory();
    if (ElementUtils.matchesElement(method, IS_REGEX_METHOD_NAME, String.class, int.class)) {
        // RegexUtil.isRegex(s, groups) method
        // (No special case is needed for isRegex(String) because of
        // the annotation on that method's definition.)
        CFStore thenStore = result.getRegularStore();
        CFStore elseStore = thenStore.copy();
        ConditionalTransferResult<CFValue, CFStore> newResult = new ConditionalTransferResult<>(result.getResultValue(), thenStore, elseStore);
        Receiver firstParam = FlowExpressions.internalReprOf(factory.getContext().getAnnotationProvider(), n.getArgument(0));
        // add annotation with correct group count (if possible,
        // regex annotation without count otherwise)
        Node count = n.getArgument(1);
        int groupCount;
        if (count instanceof IntegerLiteralNode) {
            IntegerLiteralNode iln = (IntegerLiteralNode) count;
            groupCount = iln.getValue();
        } else {
            groupCount = 0;
        }
        AnnotationMirror regexAnnotation = factory.createRegexAnnotation(groupCount);
        thenStore.insertValue(firstParam, regexAnnotation);
        return newResult;
    } else if (ElementUtils.matchesElement(method, AS_REGEX_METHOD_NAME, String.class, int.class)) {
        // RegexUtil.asRegex(s, groups) method
        // (No special case is needed for asRegex(String) because of
        // the annotation on that method's definition.)
        // add annotation with correct group count (if possible,
        // regex annotation without count otherwise)
        AnnotationMirror regexAnnotation;
        Node count = n.getArgument(1);
        int groupCount;
        if (count instanceof IntegerLiteralNode) {
            IntegerLiteralNode iln = (IntegerLiteralNode) count;
            groupCount = iln.getValue();
        } else {
            groupCount = 0;
        }
        regexAnnotation = factory.createRegexAnnotation(groupCount);
        CFValue newResultValue = analysis.createSingleAnnotationValue(regexAnnotation, result.getResultValue().getUnderlyingType());
        return new RegularTransferResult<>(newResultValue, result.getRegularStore());
    }
    return result;
}

Example 23 with CFValue

use of org.checkerframework.framework.flow.CFValue in project checker-framework by typetools.

the class I18nFormatterTransfer method visitMethodInvocation.

@Override
public TransferResult<CFValue, CFStore> visitMethodInvocation(MethodInvocationNode node, TransferInput<CFValue, CFStore> in) {
    I18nFormatterAnnotatedTypeFactory atypeFactory = (I18nFormatterAnnotatedTypeFactory) analysis.getTypeFactory();
    TransferResult<CFValue, CFStore> result = super.visitMethodInvocation(node, in);
    I18nFormatterTreeUtil tu = atypeFactory.treeUtil;
    // If hasFormat is called, make sure that the format string is annotated correctly
    if (tu.isHasFormatCall(node, atypeFactory)) {
        CFStore thenStore = result.getRegularStore();
        CFStore elseStore = thenStore.copy();
        ConditionalTransferResult<CFValue, CFStore> newResult = new ConditionalTransferResult<>(result.getResultValue(), thenStore, elseStore);
        Result<I18nConversionCategory[]> cats = tu.getHasFormatCallCategories(node);
        if (cats.value() == null) {
            tu.failure(cats, "i18nformat.indirect.arguments");
        } else {
            Receiver firstParam = FlowExpressions.internalReprOf(atypeFactory, node.getArgument(0));
            AnnotationMirror anno = atypeFactory.treeUtil.categoriesToFormatAnnotation(cats.value());
            thenStore.insertValue(firstParam, anno);
        }
        return newResult;
    }
    // If isFormat is called, annotate the format string with I18nInvalidFormat
    if (tu.isIsFormatCall(node, atypeFactory)) {
        CFStore thenStore = result.getRegularStore();
        CFStore elseStore = thenStore.copy();
        ConditionalTransferResult<CFValue, CFStore> newResult = new ConditionalTransferResult<>(result.getResultValue(), thenStore, elseStore);
        Receiver firstParam = FlowExpressions.internalReprOf(atypeFactory, node.getArgument(0));
        AnnotationBuilder builder = new AnnotationBuilder(tu.processingEnv, I18nInvalidFormat.class.getCanonicalName());
        // No need to set a value of @I18nInvalidFormat
        builder.setValue("value", "");
        elseStore.insertValue(firstParam, builder.build());
        return newResult;
    }
    // corresponding key's value
    if (tu.isMakeFormatCall(node, atypeFactory)) {
        Result<I18nConversionCategory[]> cats = tu.makeFormatCallCategories(node, atypeFactory);
        if (cats.value() == null) {
            tu.failure(cats, "i18nformat.key.not.found");
        } else {
            AnnotationMirror anno = atypeFactory.treeUtil.categoriesToFormatAnnotation(cats.value());
            CFValue newResultValue = analysis.createSingleAnnotationValue(anno, result.getResultValue().getUnderlyingType());
            return new RegularTransferResult<>(newResultValue, result.getRegularStore());
        }
    }
    return result;
}

Example 24 with CFValue

use of org.checkerframework.framework.flow.CFValue in project checker-framework by typetools.

the class LowerBoundTransfer method visitUnsignedRightShift.

@Override
public TransferResult<CFValue, CFStore> visitUnsignedRightShift(UnsignedRightShiftNode n, TransferInput<CFValue, CFStore> p) {
    TransferResult<CFValue, CFStore> transferResult = super.visitUnsignedRightShift(n, p);
    AnnotationMirror resultAnno = getAnnotationForRightShift(n, p);
    return createNewResult(transferResult, resultAnno);
}

Example 25 with CFValue

use of org.checkerframework.framework.flow.CFValue in project checker-framework by typetools.

the class LowerBoundTransfer method visitNumericalMultiplication.

@Override
public TransferResult<CFValue, CFStore> visitNumericalMultiplication(NumericalMultiplicationNode n, TransferInput<CFValue, CFStore> p) {
    TransferResult<CFValue, CFStore> result = super.visitNumericalMultiplication(n, p);
    AnnotationMirror newAnno = getAnnotationForMultiply(n, p);
    return createNewResult(result, newAnno);
}