Examples with DefaultValueAttributeInfo org.ballerinalang.util.codegen.attributes.DefaultValueAttributeInfo used on opensource projects

Example 1 with DefaultValueAttributeInfo

use of org.ballerinalang.util.codegen.attributes.DefaultValueAttributeInfo in project ballerina by ballerina-lang.

the class CPU method convertMapToStruct.

@SuppressWarnings({ "unchecked", "rawtypes" })
private static void convertMapToStruct(WorkerExecutionContext ctx, int[] operands, WorkerData sf) {
    int i = operands[0];
    int cpIndex = operands[1];
    int j = operands[2];
    TypeRefCPEntry typeRefCPEntry = (TypeRefCPEntry) ctx.constPool[cpIndex];
    BMap<String, BValue> bMap = (BMap<String, BValue>) sf.refRegs[i];
    if (bMap == null) {
        handleNullRefError(ctx);
        return;
    }
    int longRegIndex = -1;
    int doubleRegIndex = -1;
    int stringRegIndex = -1;
    int booleanRegIndex = -1;
    int blobRegIndex = -1;
    int refRegIndex = -1;
    BStructType structType = (BStructType) typeRefCPEntry.getType();
    BStruct bStruct = new BStruct(structType);
    StructInfo structInfo = ctx.callableUnitInfo.getPackageInfo().getStructInfo(structType.getName());
    Set<String> keys = bMap.keySet();
    for (StructFieldInfo fieldInfo : structInfo.getFieldInfoEntries()) {
        String key = fieldInfo.getName();
        BType fieldType = fieldInfo.getFieldType();
        BValue mapVal = null;
        try {
            boolean containsField = keys.contains(key);
            DefaultValueAttributeInfo defaultValAttrInfo = null;
            if (containsField) {
                mapVal = bMap.get(key);
                if (mapVal == null && BTypes.isValueType(fieldType)) {
                    throw BLangExceptionHelper.getRuntimeException(RuntimeErrors.INCOMPATIBLE_FIELD_TYPE_FOR_CASTING, key, fieldType, null);
                }
                if (mapVal != null && !checkCast(mapVal, fieldType)) {
                    throw BLangExceptionHelper.getRuntimeException(RuntimeErrors.INCOMPATIBLE_FIELD_TYPE_FOR_CASTING, key, fieldType, mapVal.getType());
                }
            } else {
                defaultValAttrInfo = (DefaultValueAttributeInfo) getAttributeInfo(fieldInfo, AttributeInfo.Kind.DEFAULT_VALUE_ATTRIBUTE);
            }
            switch(fieldType.getTag()) {
                case TypeTags.INT_TAG:
                    longRegIndex++;
                    if (containsField) {
                        bStruct.setIntField(longRegIndex, ((BInteger) mapVal).intValue());
                    } else if (defaultValAttrInfo != null) {
                        bStruct.setIntField(longRegIndex, defaultValAttrInfo.getDefaultValue().getIntValue());
                    }
                    break;
                case TypeTags.FLOAT_TAG:
                    doubleRegIndex++;
                    if (containsField) {
                        bStruct.setFloatField(doubleRegIndex, ((BFloat) mapVal).floatValue());
                    } else if (defaultValAttrInfo != null) {
                        bStruct.setFloatField(doubleRegIndex, defaultValAttrInfo.getDefaultValue().getFloatValue());
                    }
                    break;
                case TypeTags.STRING_TAG:
                    stringRegIndex++;
                    if (containsField) {
                        bStruct.setStringField(stringRegIndex, ((BString) mapVal).stringValue());
                    } else if (defaultValAttrInfo != null) {
                        bStruct.setStringField(stringRegIndex, defaultValAttrInfo.getDefaultValue().getStringValue());
                    }
                    break;
                case TypeTags.BOOLEAN_TAG:
                    booleanRegIndex++;
                    if (containsField) {
                        bStruct.setBooleanField(booleanRegIndex, ((BBoolean) mapVal).booleanValue() ? 1 : 0);
                    } else if (defaultValAttrInfo != null) {
                        bStruct.setBooleanField(booleanRegIndex, defaultValAttrInfo.getDefaultValue().getBooleanValue() ? 1 : 0);
                    }
                    break;
                case TypeTags.BLOB_TAG:
                    blobRegIndex++;
                    if (containsField && mapVal != null) {
                        bStruct.setBlobField(blobRegIndex, ((BBlob) mapVal).blobValue());
                    }
                    break;
                default:
                    bStruct.setRefField(++refRegIndex, (BRefType) mapVal);
            }
        } catch (BallerinaException e) {
            sf.refRegs[j] = null;
            String errorMsg = "cannot convert '" + bMap.getType() + "' to type '" + structType + ": " + e.getMessage();
            handleTypeConversionError(ctx, sf, j, errorMsg);
            return;
        }
    }
    sf.refRegs[j] = bStruct;
}

Example 2 with DefaultValueAttributeInfo

use of org.ballerinalang.util.codegen.attributes.DefaultValueAttributeInfo in project ballerina by ballerina-lang.

the class ProgramFileReader method getAttributeInfo.

private AttributeInfo getAttributeInfo(DataInputStream dataInStream, ConstantPool constantPool) throws IOException {
    int attribNameCPIndex = dataInStream.readInt();
    UTF8CPEntry attribNameCPEntry = (UTF8CPEntry) constantPool.getCPEntry(attribNameCPIndex);
    AttributeInfo.Kind attribKind = AttributeInfo.Kind.fromString(attribNameCPEntry.getValue());
    if (attribKind == null) {
        throw new ProgramFileFormatException("unknown attribute kind " + attribNameCPEntry.getValue());
    }
    switch(attribKind) {
        case CODE_ATTRIBUTE:
            CodeAttributeInfo codeAttributeInfo = new CodeAttributeInfo();
            codeAttributeInfo.setAttributeNameIndex(attribNameCPIndex);
            codeAttributeInfo.setCodeAddrs(dataInStream.readInt());
            codeAttributeInfo.setMaxLongLocalVars(dataInStream.readUnsignedShort());
            codeAttributeInfo.setMaxDoubleLocalVars(dataInStream.readShort());
            codeAttributeInfo.setMaxStringLocalVars(dataInStream.readShort());
            codeAttributeInfo.setMaxIntLocalVars(dataInStream.readShort());
            codeAttributeInfo.setMaxByteLocalVars(dataInStream.readShort());
            codeAttributeInfo.setMaxRefLocalVars(dataInStream.readShort());
            codeAttributeInfo.setMaxLongRegs(dataInStream.readShort());
            codeAttributeInfo.setMaxDoubleRegs(dataInStream.readShort());
            codeAttributeInfo.setMaxStringRegs(dataInStream.readShort());
            codeAttributeInfo.setMaxIntRegs(dataInStream.readShort());
            codeAttributeInfo.setMaxByteRegs(dataInStream.readShort());
            codeAttributeInfo.setMaxRefRegs(dataInStream.readShort());
            return codeAttributeInfo;
        case VARIABLE_TYPE_COUNT_ATTRIBUTE:
            VarTypeCountAttributeInfo varCountAttributeInfo = new VarTypeCountAttributeInfo(attribNameCPIndex);
            varCountAttributeInfo.setMaxLongVars(dataInStream.readShort());
            varCountAttributeInfo.setMaxDoubleVars(dataInStream.readShort());
            varCountAttributeInfo.setMaxStringVars(dataInStream.readShort());
            varCountAttributeInfo.setMaxIntVars(dataInStream.readShort());
            varCountAttributeInfo.setMaxByteVars(dataInStream.readShort());
            varCountAttributeInfo.setMaxRefVars(dataInStream.readShort());
            return varCountAttributeInfo;
        case ERROR_TABLE:
            ErrorTableAttributeInfo tableAttributeInfo = new ErrorTableAttributeInfo(attribNameCPIndex);
            int tableEntryCount = dataInStream.readShort();
            for (int i = 0; i < tableEntryCount; i++) {
                int ipFrom = dataInStream.readInt();
                int ipTo = dataInStream.readInt();
                int ipTarget = dataInStream.readInt();
                int priority = dataInStream.readInt();
                int errorStructCPIndex = dataInStream.readInt();
                ErrorTableEntry tableEntry = new ErrorTableEntry(ipFrom, ipTo, ipTarget, priority, errorStructCPIndex);
                if (errorStructCPIndex != -1) {
                    StructureRefCPEntry structureRefCPEntry = (StructureRefCPEntry) constantPool.getCPEntry(errorStructCPIndex);
                    tableEntry.setError((StructInfo) structureRefCPEntry.getStructureTypeInfo());
                }
                tableAttributeInfo.addErrorTableEntry(tableEntry);
            }
            return tableAttributeInfo;
        case LOCAL_VARIABLES_ATTRIBUTE:
            LocalVariableAttributeInfo localVarAttrInfo = new LocalVariableAttributeInfo(attribNameCPIndex);
            int localVarInfoCount = dataInStream.readShort();
            for (int i = 0; i < localVarInfoCount; i++) {
                LocalVariableInfo localVariableInfo = getLocalVariableInfo(dataInStream, constantPool);
                localVarAttrInfo.addLocalVarInfo(localVariableInfo);
            }
            return localVarAttrInfo;
        case LINE_NUMBER_TABLE_ATTRIBUTE:
            LineNumberTableAttributeInfo lnNoTblAttrInfo = new LineNumberTableAttributeInfo(attribNameCPIndex);
            int lineNoInfoCount = dataInStream.readShort();
            for (int i = 0; i < lineNoInfoCount; i++) {
                LineNumberInfo lineNumberInfo = getLineNumberInfo(dataInStream, constantPool);
                lnNoTblAttrInfo.addLineNumberInfo(lineNumberInfo);
            }
            return lnNoTblAttrInfo;
        case DEFAULT_VALUE_ATTRIBUTE:
            DefaultValue defaultValue = getDefaultValue(dataInStream, constantPool);
            DefaultValueAttributeInfo defaultValAttrInfo = new DefaultValueAttributeInfo(attribNameCPIndex, defaultValue);
            return defaultValAttrInfo;
        case PARAMETER_DEFAULTS_ATTRIBUTE:
            ParamDefaultValueAttributeInfo paramDefaultValAttrInfo = new ParamDefaultValueAttributeInfo(attribNameCPIndex);
            int paramDefaultsInfoCount = dataInStream.readShort();
            for (int i = 0; i < paramDefaultsInfoCount; i++) {
                DefaultValue paramDefaultValue = getDefaultValue(dataInStream, constantPool);
                paramDefaultValAttrInfo.addParamDefaultValueInfo(paramDefaultValue);
            }
            return paramDefaultValAttrInfo;
        default:
            throw new ProgramFileFormatException("unsupported attribute kind " + attribNameCPEntry.getValue());
    }
}