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

Example 1 with LocalVariableAttributeInfo

use of org.wso2.ballerinalang.programfile.attributes.LocalVariableAttributeInfo 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 LocalVariableAttributeInfo

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

the class CodeGenerator method visitForkJoinParameterDefs.

private void visitForkJoinParameterDefs(BLangVariable parameterDef, SymbolEnv forkJoinEnv) {
    LocalVariableAttributeInfo localVariableAttributeInfo = new LocalVariableAttributeInfo(1);
    parameterDef.symbol.varIndex = getLVIndex(parameterDef.type.tag);
    this.genNode(parameterDef, forkJoinEnv);
    LocalVariableInfo localVariableDetails = this.getLocalVarAttributeInfo(parameterDef.symbol);
    localVariableAttributeInfo.localVars.add(localVariableDetails);
}

Example 3 with LocalVariableAttributeInfo

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

the class CodeGenerator method createServiceInfoEntry.

private void createServiceInfoEntry(BLangService serviceNode) {
    // Add service name as an UTFCPEntry to the constant pool
    int serviceNameCPIndex = addUTF8CPEntry(currentPkgInfo, serviceNode.name.value);
    // Create service info
    if (serviceNode.endpointType != null) {
        String endPointQName = serviceNode.endpointType.tsymbol.toString();
        // TODO: bvmAlias needed?
        int epNameCPIndex = addUTF8CPEntry(currentPkgInfo, endPointQName);
        ServiceInfo serviceInfo = new ServiceInfo(currentPackageRefCPIndex, serviceNameCPIndex, serviceNode.symbol.flags, epNameCPIndex);
        // Add service level variables
        int localVarAttNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE.value());
        LocalVariableAttributeInfo localVarAttributeInfo = new LocalVariableAttributeInfo(localVarAttNameIndex);
        serviceNode.vars.forEach(var -> visitVarSymbol(var.var.symbol, pvIndexes, localVarAttributeInfo));
        serviceInfo.addAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE, localVarAttributeInfo);
        // Create the init function info
        BLangFunction serviceInitFunction = (BLangFunction) serviceNode.getInitFunction();
        createFunctionInfoEntry(serviceInitFunction);
        serviceInfo.initFuncInfo = currentPkgInfo.functionInfoMap.get(serviceInitFunction.name.toString());
        currentPkgInfo.addServiceInfo(serviceNode.name.value, serviceInfo);
        // Create resource info entries for all resources
        serviceNode.resources.forEach(res -> createResourceInfoEntry(res, serviceInfo));
    }
}

Example 4 with LocalVariableAttributeInfo

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

the class CodeGenerator method visit.

public void visit(BLangPackage pkgNode) {
    if (pkgNode.completedPhases.contains(CompilerPhase.CODE_GEN)) {
        if (!buildCompiledPackage) {
            programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), pkgNode.symbol.packageInfo);
        }
        return;
    }
    // TODO Improve this design without if/else
    PackageInfo packageInfo = new PackageInfo();
    pkgNode.symbol.packageInfo = packageInfo;
    if (buildCompiledPackage) {
        // Generating the BALO
        pkgNode.imports.forEach(impPkgNode -> {
            int impPkgNameCPIndex = addUTF8CPEntry(packageInfo, impPkgNode.symbol.name.value);
            // TODO Improve the import package version once it is available
            int impPkgVersionCPIndex = addUTF8CPEntry(packageInfo, PackageID.DEFAULT.version.value);
            ImportPackageInfo importPkgInfo = new ImportPackageInfo(impPkgNameCPIndex, impPkgVersionCPIndex);
            packageInfo.importPkgInfoSet.add(importPkgInfo);
            packageFile.packageInfo = packageInfo;
        });
    } else {
        // Generating a BALX
        // first visit all the imports
        pkgNode.imports.forEach(impPkgNode -> genNode(impPkgNode, this.env));
        // TODO We need to create identifier for both name and the version
        programFile.packageInfoMap.put(pkgNode.symbol.pkgID.bvmAlias(), packageInfo);
    }
    // Add the current package to the program file
    BPackageSymbol pkgSymbol = pkgNode.symbol;
    currentPkgID = pkgSymbol.pkgID;
    currentPkgInfo = packageInfo;
    currentPkgInfo.nameCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.bvmAlias());
    currentPkgInfo.versionCPIndex = addUTF8CPEntry(currentPkgInfo, currentPkgID.version.value);
    // Insert the package reference to the constant pool of the current package
    currentPackageRefCPIndex = addPackageRefCPEntry(currentPkgInfo, currentPkgID);
    // This attribute keep track of line numbers
    int lineNoAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE.value());
    lineNoAttrInfo = new LineNumberTableAttributeInfo(lineNoAttrNameIndex);
    // This attribute keep package-level variable information
    int pkgVarAttrNameIndex = addUTF8CPEntry(currentPkgInfo, AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE.value());
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE, new LocalVariableAttributeInfo(pkgVarAttrNameIndex));
    pkgNode.globalVars.forEach(this::createPackageVarInfo);
    pkgNode.structs.forEach(this::createStructInfoEntry);
    pkgNode.enums.forEach(this::createEnumInfoEntry);
    pkgNode.connectors.forEach(this::createConnectorInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.services.forEach(this::createServiceInfoEntry);
    pkgNode.functions.forEach(this::createFunctionInfoEntry);
    pkgNode.transformers.forEach(this::createTransformerInfoEntry);
    // Visit package builtin function
    visitBuiltinFunctions(pkgNode.initFunction);
    visitBuiltinFunctions(pkgNode.startFunction);
    visitBuiltinFunctions(pkgNode.stopFunction);
    pkgNode.topLevelNodes.stream().filter(pkgLevelNode -> pkgLevelNode.getKind() != NodeKind.VARIABLE && pkgLevelNode.getKind() != NodeKind.XMLNS).forEach(pkgLevelNode -> genNode((BLangNode) pkgLevelNode, this.env));
    currentPkgInfo.addAttributeInfo(AttributeInfo.Kind.LINE_NUMBER_TABLE_ATTRIBUTE, lineNoAttrInfo);
    currentPackageRefCPIndex = -1;
    currentPkgID = null;
    pkgNode.completedPhases.add(CompilerPhase.CODE_GEN);
}

Example 5 with LocalVariableAttributeInfo

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

the class CodeGenerator method createPackageVarInfo.

// Create info entries
private void createPackageVarInfo(BLangVariable varNode) {
    BVarSymbol varSymbol = varNode.symbol;
    varSymbol.varIndex = getPVIndex(varSymbol.type.tag);
    int varNameCPIndex = addUTF8CPEntry(currentPkgInfo, varSymbol.name.value);
    int typeSigCPIndex = addUTF8CPEntry(currentPkgInfo, varSymbol.type.getDesc());
    PackageVarInfo pkgVarInfo = new PackageVarInfo(varNameCPIndex, typeSigCPIndex, varSymbol.flags, varSymbol.varIndex.value);
    currentPkgInfo.pkgVarInfoMap.put(varSymbol.name.value, pkgVarInfo);
    LocalVariableInfo localVarInfo = getLocalVarAttributeInfo(varSymbol);
    LocalVariableAttributeInfo pkgVarAttrInfo = (LocalVariableAttributeInfo) currentPkgInfo.getAttributeInfo(AttributeInfo.Kind.LOCAL_VARIABLES_ATTRIBUTE);
    pkgVarAttrInfo.localVars.add(localVarInfo);
// TODO Populate annotation attribute
}