Examples with Named_Bits org.eclipse.titan.designer.AST.ASN1.values.Named_Bits used on opensource projects

Example 1 with Named_Bits

use of org.eclipse.titan.designer.AST.ASN1.values.Named_Bits in project titan.EclipsePlug-ins by eclipse.

the class ASN1_BitString_Type method checkThisValue.

@Override
public /**
 * {@inheritDoc}
 */
boolean checkThisValue(final CompilationTimeStamp timestamp, final IValue value, final Assignment lhs, final ValueCheckingOptions valueCheckingOptions) {
    final boolean selfReference = super.checkThisValue(timestamp, value, lhs, valueCheckingOptions);
    IValue last = value.getValueRefdLast(timestamp, valueCheckingOptions.expected_value, null);
    if (last == null || last.getIsErroneous(timestamp)) {
        return selfReference;
    }
    // already handled ones
    switch(value.getValuetype()) {
        case OMIT_VALUE:
        case REFERENCED_VALUE:
            return selfReference;
        case UNDEFINED_LOWERIDENTIFIER_VALUE:
            if (Value_type.REFERENCED_VALUE.equals(last.getValuetype())) {
                return selfReference;
            }
            break;
        default:
            break;
    }
    if (last.isAsn()) {
        if (last instanceof IReferencingType) {
            final IType type = last.getMyGovernor().getTypeRefdLast(timestamp);
            switch(type.getTypetype()) {
                case TYPE_BITSTRING:
                case TYPE_BITSTRING_A:
                    break;
                default:
                    value.getLocation().reportSemanticError("(reference to) BIT STRING value was expected");
                    value.setIsErroneous(true);
                    value.setLastTimeChecked(timestamp);
                    return selfReference;
            }
        }
        switch(last.getValuetype()) {
            case BITSTRING_VALUE:
                break;
            case HEXSTRING_VALUE:
                last.setValuetype(timestamp, Value_type.BITSTRING_VALUE);
                break;
            case UNDEFINED_BLOCK:
                {
                    last = last.setValuetype(timestamp, Value_type.NAMED_BITS);
                    if (namedValues == null) {
                        value.getLocation().reportSemanticError(MessageFormat.format("No named bits are defined in type `{0}''", getTypename()));
                        value.setIsErroneous(true);
                        value.setLastTimeChecked(timestamp);
                        return selfReference;
                    }
                    final Named_Bits namedBits = (Named_Bits) last;
                    final StringBuilder builder = new StringBuilder(namedBits.getNofIds());
                    for (int i = 0; i < namedBits.getNofIds(); i++) {
                        final Identifier id = namedBits.getIdByIndex(i);
                        if (!namedValues.hasNamedValueWithName(id)) {
                            id.getLocation().reportSemanticError(MessageFormat.format("No named bit with name `{0}'' is defined in type `{1}''", id.getDisplayName(), getTypename()));
                            value.setIsErroneous(true);
                            value.setLastTimeChecked(timestamp);
                            return selfReference;
                        }
                        IValue tempValue = namedValues.getNamedValueByName(id).getValue();
                        final ReferenceChain referenceChain = ReferenceChain.getInstance(IReferenceChain.CIRCULARREFERENCE, true);
                        tempValue = tempValue.getValueRefdLast(timestamp, referenceChain);
                        referenceChain.release();
                        if (!tempValue.getIsErroneous(timestamp) && Value_type.INTEGER_VALUE.equals(tempValue.getValuetype())) {
                            final int bitIndex = ((Integer_Value) tempValue).intValue();
                            while (builder.length() <= bitIndex) {
                                builder.append('0');
                            }
                            builder.setCharAt(bitIndex, '1');
                        } else {
                        // FIXME Most probably we were
                        // not able to build the
                        // semantic structure for
                        // something, because it is not
                        // yet supported, like
                        // referenced values in sets
                        }
                    }
                    last = new Bitstring_Value(builder.toString());
                    last.copyGeneralProperties(value);
                    namedBits.setRealValue((Bitstring_Value) last);
                    break;
                }
            default:
                value.getLocation().reportSemanticError(BITSTRINGVALUEEXPECTED1);
                value.setIsErroneous(true);
                value.setLastTimeChecked(timestamp);
                return selfReference;
        }
    } else {
        switch(last.getValuetype()) {
            case BITSTRING_VALUE:
                break;
            case EXPRESSION_VALUE:
            case MACRO_VALUE:
                // already checked
                break;
            default:
                value.getLocation().reportSemanticError(BITSTRINGVALUEEXPECTED2);
                value.setIsErroneous(true);
        }
    }
    if (valueCheckingOptions.sub_check) {
        // there is no parent type to check
        if (subType != null) {
            subType.checkThisValue(timestamp, last);
        }
    }
    value.setLastTimeChecked(timestamp);
    return selfReference;
}