Examples with LocalVariableInfo org.wso2.ballerinalang.programfile.LocalVariableInfo used on opensource projects

Example 1 with LocalVariableInfo

use of org.wso2.ballerinalang.programfile.LocalVariableInfo 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 LocalVariableInfo

use of org.wso2.ballerinalang.programfile.LocalVariableInfo 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 LocalVariableInfo

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

the class CodeGenerator method getLocalVarAttributeInfo.

private LocalVariableInfo getLocalVarAttributeInfo(BVarSymbol varSymbol) {
    int varNameCPIndex = addUTF8CPEntry(currentPkgInfo, varSymbol.name.value);
    int varIndex = varSymbol.varIndex.value;
    int sigCPIndex = addUTF8CPEntry(currentPkgInfo, varSymbol.type.getDesc());
    return new LocalVariableInfo(varNameCPIndex, sigCPIndex, varIndex);
}

Example 4 with LocalVariableInfo

use of org.wso2.ballerinalang.programfile.LocalVariableInfo 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
}

Example 5 with LocalVariableInfo

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

the class CodeGenerator method visit.

public void visit(BLangVariable varNode) {
    BVarSymbol varSymbol = varNode.symbol;
    int ownerSymTag = env.scope.owner.tag;
    if ((ownerSymTag & SymTag.INVOKABLE) == SymTag.INVOKABLE) {
        varSymbol.varIndex = getLVIndex(varSymbol.type.tag);
        LocalVariableInfo localVarInfo = getLocalVarAttributeInfo(varSymbol);
        localVarAttrInfo.localVars.add(localVarInfo);
    } else {
        // TODO Support other variable nodes
        throw new IllegalStateException("");
    }
    BLangExpression rhsExpr = varNode.expr;
    if (rhsExpr != null) {
        rhsExpr.regIndex = varSymbol.varIndex;
        genNode(rhsExpr, this.env);
    }
}