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

Example 1 with LocalVariableAttributeInfo

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

the class ResourceImpl method getParamDetails.

@Override
public List<ParamDetail> getParamDetails() {
    LocalVariableAttributeInfo attributeInfo = (LocalVariableAttributeInfo) resourceInfo.getAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE);
    List<ParamDetail> paramDetails = new ArrayList<>();
    for (LocalVariableInfo variableInfo : attributeInfo.getLocalVariableInfoEntries()) {
        paramDetails.add(new ParamDetail(variableInfo.getVariableType(), variableInfo.getVariableName()));
    }
    return paramDetails;
}

Example 2 with LocalVariableAttributeInfo

use of org.ballerinalang.util.codegen.attributes.LocalVariableAttributeInfo 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());
    }
}

Example 3 with LocalVariableAttributeInfo

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

the class Debugger method generateDebugHitMessage.

/**
 * Generate debug hit message.
 *
 * @param ctx               Current context.
 * @param currentExecLine   Current execution line.
 * @param workerId          Current thread id.
 * @return  message         To be sent.
 */
private MessageDTO generateDebugHitMessage(WorkerExecutionContext ctx, LineNumberInfo currentExecLine, String workerId) {
    MessageDTO message = new MessageDTO(DebugConstants.CODE_HIT, DebugConstants.MSG_HIT);
    message.setThreadId(workerId);
    BreakPointDTO breakPointDTO = new BreakPointDTO(currentExecLine.getPackageInfo().getPkgPath(), currentExecLine.getFileName(), currentExecLine.getLineNumber());
    message.setLocation(breakPointDTO);
    int callingIp = currentExecLine.getIp();
    String pck = ctx.callableUnitInfo.getPackageInfo().getPkgPath();
    String functionName = ctx.callableUnitInfo.getName();
    LineNumberInfo callingLine = getLineNumber(ctx.callableUnitInfo.getPackageInfo().getPkgPath(), callingIp);
    FrameDTO frameDTO = new FrameDTO(pck, functionName, callingLine.getFileName(), callingLine.getLineNumber());
    message.addFrame(frameDTO);
    LocalVariableAttributeInfo localVarAttrInfo = (LocalVariableAttributeInfo) ctx.workerInfo.getAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE);
    localVarAttrInfo.getLocalVariables().forEach(l -> {
        VariableDTO variableDTO = new VariableDTO(l.getVariableName(), "Local");
        switch(l.getVariableType().getTag()) {
            case TypeTags.INT_TAG:
                variableDTO.setBValue(new BInteger(ctx.workerLocal.longRegs[l.getVariableIndex()]));
                break;
            case TypeTags.FLOAT_TAG:
                variableDTO.setBValue(new BFloat(ctx.workerLocal.doubleRegs[l.getVariableIndex()]));
                break;
            case TypeTags.STRING_TAG:
                variableDTO.setBValue(new BString(ctx.workerLocal.stringRegs[l.getVariableIndex()]));
                break;
            case TypeTags.BOOLEAN_TAG:
                variableDTO.setBValue(new BBoolean(ctx.workerLocal.intRegs[l.getVariableIndex()] == 1));
                break;
            case TypeTags.BLOB_TAG:
                variableDTO.setBValue(new BBlob(ctx.workerLocal.byteRegs[l.getVariableIndex()]));
                break;
            default:
                variableDTO.setBValue(ctx.workerLocal.refRegs[l.getVariableIndex()]);
                break;
        }
        frameDTO.addVariable(variableDTO);
    });
    return message;
}

Example 4 with LocalVariableAttributeInfo

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

the class BLangVMStructs method createBConnector.

/**
 * Create BConnector with given values.
 *
 * @param connectorInfo {@link ConnectorInfo} of the {@link BConnector}
 * @param values        field values of the connector ( including args ).
 * @return BStruct instance.
 */
public static BConnector createBConnector(ConnectorInfo connectorInfo, Object... values) {
    BConnector bConnector = new BConnector(connectorInfo.getType());
    final LocalVariableAttributeInfo localVar = (LocalVariableAttributeInfo) connectorInfo.getAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE);
    int i = 0;
    int[] indexes = new int[] { -1, -1, -1, -1, -1, -1 };
    for (LocalVariableInfo variableInfo : localVar.getLocalVariables()) {
        if (values.length < i + 1) {
            break;
        }
        final BType varType = variableInfo.getVariableType();
        setValue(bConnector, indexes, varType.getTag(), values[i]);
    }
    return bConnector;
}