Examples with Value jkind.lustre.values.Value used on opensource projects

Example 11 with Value

use of jkind.lustre.values.Value in project AGREE by loonwerks.

the class AGREESimulationState method getPropertyStatus.

@Override
public AGREEPropertyStatus getPropertyStatus(final Object property) {
    if (frameInfos.size() == 0) {
        return AGREEPropertyStatus.INITIAL_STEP;
    }
    // Handle care where counterexample is not returned. Simulation is halted.
    final SimulationFrameResults frameResults = frameInfos.get(frameInfos.size() - 1).getFrameResults();
    if (frameResults.getDisabledProperties().contains(property)) {
        return AGREEPropertyStatus.DISABLED;
    }
    if (frameResults.hasCounterexample()) {
        for (final String propLustreId : asProperty(property).getLustreIds()) {
            final Value value = frameResults.getValue(propLustreId);
            if (!(value instanceof BooleanValue)) {
                throw new RuntimeException("Value is not a boolean value");
            }
            final boolean propertyValue = ((BooleanValue) value).value;
            if (!propertyValue) {
                return AGREEPropertyStatus.UNSATISFIED_WARNING;
            }
        }
        return AGREEPropertyStatus.SATISFIED;
    } else {
        if (frameResults.hasInductiveValidityCore()) {
            for (final String propLustreId : asProperty(property).getLustreIds()) {
                if (frameResults.isInInductiveValidityCore(propLustreId)) {
                    return AGREEPropertyStatus.UNSATISFIED_ERROR;
                }
            }
            return AGREEPropertyStatus.HALTED_NOT_IN_SET_OF_SUPPORT;
        } else {
            return AGREEPropertyStatus.HALTED_SET_OF_SUPPORT_UNAVAILABLE;
        }
    }
}

Example 12 with Value

use of jkind.lustre.values.Value in project AGREE by loonwerks.

the class AGREESimulationState method convertLustreValue.

/**
 * Converts a JKind API Lustre value to types that are independent of the JKind API. In cases where there isn't an equivalent type in the standard
 * Java API, the original type will be preserved. Throws an
 * @param value non-null value object.
 * @throws RuntimeException if the value is not of a supported type.
 * @return
 */
private Object convertLustreValue(final Value value) {
    assert value != null;
    if (value instanceof ArrayValue) {
        final ArrayValue arrayValue = (ArrayValue) value;
        final ArrayList<Object> newList = new ArrayList<Object>(arrayValue.elements.size());
        for (final Value childValue : arrayValue.elements) {
            newList.add(convertLustreValue(childValue));
        }
        return newList;
    } else if (value instanceof BooleanValue) {
        return ((BooleanValue) value).value;
    } else if (value instanceof EnumValue) {
        return ((EnumValue) value).value;
    } else if (value instanceof IntegerValue) {
        return ((IntegerValue) value).value;
    } else if (value instanceof RealValue) {
        final BigFraction fraction = ((RealValue) value).value;
        return new Rational(fraction.getNumerator(), fraction.getDenominator());
    } else if (value instanceof RecordValue) {
        final RecordValue recordValue = (RecordValue) value;
        final Map<String, Object> newMap = new HashMap<String, Object>();
        for (final Entry<String, Value> entry : recordValue.fields.entrySet()) {
            newMap.put(entry.getKey(), convertLustreValue(entry.getValue()));
        }
        return newMap;
    } else if (value instanceof TupleValue) {
        final TupleValue tupleValue = (TupleValue) value;
        final ArrayList<Object> newList = new ArrayList<Object>(tupleValue.elements.size());
        for (final Value childValue : tupleValue.elements) {
            newList.add(convertLustreValue(childValue));
        }
        return newList;
    } else {
        throw new RuntimeException("Unhandled case. Value is of type: " + value.getClass());
    }
}

Example 13 with Value

use of jkind.lustre.values.Value in project AGREE by loonwerks.

the class InputConstraintToLustreValueExpression method lustreExprToValue.

// Only binary, unary, and literal expressions are supported
private static Value lustreExprToValue(final Expr lustreExpr) {
    if (lustreExpr instanceof BoolExpr) {
        return BooleanValue.fromBoolean(((BoolExpr) lustreExpr).value);
    } else if (lustreExpr instanceof IntExpr) {
        return new IntegerValue(((IntExpr) lustreExpr).value);
    } else if (lustreExpr instanceof RealExpr) {
        final RealExpr realExpr = (RealExpr) lustreExpr;
        return new RealValue(BigFraction.valueOf(realExpr.value));
    } else if (lustreExpr instanceof BinaryExpr) {
        final BinaryExpr binaryExpr = (BinaryExpr) lustreExpr;
        final Value leftValue = lustreExprToValue(binaryExpr.left);
        final Value rightValue = lustreExprToValue(binaryExpr.right);
        return leftValue.applyBinaryOp(binaryExpr.op, rightValue);
    } else if (lustreExpr instanceof UnaryExpr) {
        final UnaryExpr unaryExpr = (UnaryExpr) lustreExpr;
        final Value operandValue = lustreExprToValue(unaryExpr.expr);
        return operandValue.applyUnaryOp(unaryExpr.op);
    }
    throw new RuntimeException("Unsupported expression: " + lustreExpr);
}

Example 14 with Value

use of jkind.lustre.values.Value in project AGREE by loonwerks.

the class Main method testValue.

private static void testValue(final String id, final Evaluator evaluator, final Value expectedValue) {
    final Value value = evaluator.evalOrNull(id);
    final boolean valueMatches = Objects.equals(value, expectedValue);
    System.out.println((valueMatches ? "SUCCESS" : "FAILURE") + " : " + id + " : " + value);
}

Example 15 with Value

use of jkind.lustre.values.Value in project AGREE by loonwerks.

the class ExportAction method addElementToCounterexample.

private static void addElementToCounterexample(final Counterexample cex, final Object element, final AGREESimulationState engineState) {
    assert engineState.getElementLustreId(element) != null;
    // Create the signal
    final Signal<Value> newSignal = new Signal<>(engineState.getElementLustreId(element));
    // Populate the signal's values
    final int numberOfFrames = engineState.getNumberOfFrames();
    for (int frameIndex = 0; frameIndex < numberOfFrames; frameIndex++) {
        final Value value = engineState.getElementLustreValue(frameIndex, element);
        if (value != null) {
            newSignal.putValue(frameIndex, value);
        }
    }
    // Add signal to the counterexample
    cex.addSignal(newSignal);
}