Examples with CodeAttributeInfo org.wso2.ballerinalang.programfile.attributes.CodeAttributeInfo used on opensource projects

Example 1 with CodeAttributeInfo

use of org.wso2.ballerinalang.programfile.attributes.CodeAttributeInfo in project ballerina by ballerina-lang.

the class PackageInfoWriter method writeAttributeInfo.

private static void writeAttributeInfo(DataOutputStream dataOutStream, AttributeInfo attributeInfo) throws IOException {
    AttributeInfo.Kind attributeKind = attributeInfo.getKind();
    dataOutStream.writeInt(attributeInfo.getAttributeNameIndex());
    switch(attributeKind) {
        case CODE_ATTRIBUTE:
            CodeAttributeInfo codeAttributeInfo = (CodeAttributeInfo) attributeInfo;
            dataOutStream.writeInt(codeAttributeInfo.codeAddrs);
            dataOutStream.writeShort(codeAttributeInfo.maxLongLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxDoubleLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxStringLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxIntLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxByteLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxRefLocalVars);
            dataOutStream.writeShort(codeAttributeInfo.maxLongRegs);
            dataOutStream.writeShort(codeAttributeInfo.maxDoubleRegs);
            dataOutStream.writeShort(codeAttributeInfo.maxStringRegs);
            dataOutStream.writeShort(codeAttributeInfo.maxIntRegs);
            dataOutStream.writeShort(codeAttributeInfo.maxByteRegs);
            dataOutStream.writeShort(codeAttributeInfo.maxRefRegs);
            break;
        case VARIABLE_TYPE_COUNT_ATTRIBUTE:
            VarTypeCountAttributeInfo varCountAttributeInfo = (VarTypeCountAttributeInfo) attributeInfo;
            dataOutStream.writeShort(varCountAttributeInfo.getMaxLongVars());
            dataOutStream.writeShort(varCountAttributeInfo.getMaxDoubleVars());
            dataOutStream.writeShort(varCountAttributeInfo.getMaxStringVars());
            dataOutStream.writeShort(varCountAttributeInfo.getMaxIntVars());
            dataOutStream.writeShort(varCountAttributeInfo.getMaxByteVars());
            dataOutStream.writeShort(varCountAttributeInfo.getMaxRefVars());
            break;
        case ERROR_TABLE:
            ErrorTableAttributeInfo errTable = (ErrorTableAttributeInfo) attributeInfo;
            ErrorTableEntry[] errorTableEntries = errTable.getErrorTableEntriesList().toArray(new ErrorTableEntry[0]);
            dataOutStream.writeShort(errorTableEntries.length);
            for (ErrorTableEntry errorTableEntry : errorTableEntries) {
                dataOutStream.writeInt(errorTableEntry.ipFrom);
                dataOutStream.writeInt(errorTableEntry.ipTo);
                dataOutStream.writeInt(errorTableEntry.ipTarget);
                dataOutStream.writeInt(errorTableEntry.priority);
                dataOutStream.writeInt(errorTableEntry.errorStructCPIndex);
            }
            break;
        case LOCAL_VARIABLES_ATTRIBUTE:
            LocalVariableAttributeInfo localVarAttrInfo = (LocalVariableAttributeInfo) attributeInfo;
            LocalVariableInfo[] localVarInfoArray = localVarAttrInfo.localVars.toArray(new LocalVariableInfo[0]);
            dataOutStream.writeShort(localVarInfoArray.length);
            for (LocalVariableInfo localVariableInfo : localVarInfoArray) {
                writeLocalVariableInfo(dataOutStream, localVariableInfo);
            }
            break;
        case LINE_NUMBER_TABLE_ATTRIBUTE:
            LineNumberTableAttributeInfo lnNoTblAttrInfo = (LineNumberTableAttributeInfo) attributeInfo;
            LineNumberInfo[] lineNumberInfoEntries = lnNoTblAttrInfo.getLineNumberInfoEntries();
            dataOutStream.writeShort(lineNumberInfoEntries.length);
            for (LineNumberInfo lineNumberInfo : lineNumberInfoEntries) {
                writeLineNumberInfo(dataOutStream, lineNumberInfo);
            }
            break;
        case DEFAULT_VALUE_ATTRIBUTE:
            DefaultValueAttributeInfo defaultValAttrInfo = (DefaultValueAttributeInfo) attributeInfo;
            writeDefaultValue(dataOutStream, defaultValAttrInfo.getDefaultValue());
            break;
        case PARAMETER_DEFAULTS_ATTRIBUTE:
            ParamDefaultValueAttributeInfo paramDefaultValAttrInfo = (ParamDefaultValueAttributeInfo) attributeInfo;
            DefaultValue[] defaultValues = paramDefaultValAttrInfo.getDefaultValueInfo();
            dataOutStream.writeShort(defaultValues.length);
            for (DefaultValue defaultValue : defaultValues) {
                writeDefaultValue(dataOutStream, defaultValue);
            }
            break;
    }
// TODO Support other types of attributes
}

Example 2 with CodeAttributeInfo

use of org.wso2.ballerinalang.programfile.attributes.CodeAttributeInfo in project ballerina by ballerina-lang.

the class CodeGenerator method endWorkerInfoUnit.

private void endWorkerInfoUnit(CodeAttributeInfo codeAttributeInfo) {
    codeAttributeInfo.maxLongLocalVars = lvIndexes.tInt + 1;
    codeAttributeInfo.maxDoubleLocalVars = lvIndexes.tFloat + 1;
    codeAttributeInfo.maxStringLocalVars = lvIndexes.tString + 1;
    codeAttributeInfo.maxIntLocalVars = lvIndexes.tBoolean + 1;
    codeAttributeInfo.maxByteLocalVars = lvIndexes.tBlob + 1;
    codeAttributeInfo.maxRefLocalVars = lvIndexes.tRef + 1;
    codeAttributeInfo.maxLongRegs = codeAttributeInfo.maxLongLocalVars + maxRegIndexes.tInt + 1;
    codeAttributeInfo.maxDoubleRegs = codeAttributeInfo.maxDoubleLocalVars + maxRegIndexes.tFloat + 1;
    codeAttributeInfo.maxStringRegs = codeAttributeInfo.maxStringLocalVars + maxRegIndexes.tString + 1;
    codeAttributeInfo.maxIntRegs = codeAttributeInfo.maxIntLocalVars + maxRegIndexes.tBoolean + 1;
    codeAttributeInfo.maxByteRegs = codeAttributeInfo.maxByteLocalVars + maxRegIndexes.tBlob + 1;
    codeAttributeInfo.maxRefRegs = codeAttributeInfo.maxRefLocalVars + maxRegIndexes.tRef + 1;
    // Update register indexes.
    for (RegIndex regIndex : regIndexList) {
        switch(regIndex.typeTag) {
            case TypeTags.INT:
                regIndex.value = regIndex.value + codeAttributeInfo.maxLongLocalVars;
                break;
            case TypeTags.FLOAT:
                regIndex.value = regIndex.value + codeAttributeInfo.maxDoubleLocalVars;
                break;
            case TypeTags.STRING:
                regIndex.value = regIndex.value + codeAttributeInfo.maxStringLocalVars;
                break;
            case TypeTags.BOOLEAN:
                regIndex.value = regIndex.value + codeAttributeInfo.maxIntLocalVars;
                break;
            case TypeTags.BLOB:
                regIndex.value = regIndex.value + codeAttributeInfo.maxByteLocalVars;
                break;
            default:
                regIndex.value = regIndex.value + codeAttributeInfo.maxRefLocalVars;
                break;
        }
    }
    regIndexList = new ArrayList<>();
    lvIndexes = new VariableIndex(LOCAL);
    regIndexes = new VariableIndex(REG);
    maxRegIndexes = new VariableIndex(REG);
}