Examples with ProgramFileFormatException org.ballerinalang.util.exceptions.ProgramFileFormatException used on opensource projects

Example 1 with ProgramFileFormatException

use of org.ballerinalang.util.exceptions.ProgramFileFormatException in project ballerina by ballerina-lang.

the class ProgramFileReader method readInstructions.

private void readInstructions(DataInputStream dataInStream, PackageInfo packageInfo) throws IOException {
    int codeLength = dataInStream.readInt();
    byte[] code = new byte[codeLength];
    // Ignore bytes read should be same as the code length.
    dataInStream.read(code);
    DataInputStream codeStream = new DataInputStream(new ByteArrayInputStream(code));
    while (codeStream.available() > 0) {
        int i, j, k, h;
        int funcRefCPIndex;
        FunctionRefCPEntry funcRefCPEntry;
        int flags;
        int[] argRegs;
        int[] retRegs;
        int opcode = codeStream.readUnsignedByte();
        switch(opcode) {
            case InstructionCodes.HALT:
            case InstructionCodes.RET:
                packageInfo.addInstruction(InstructionFactory.get(opcode));
                break;
            case InstructionCodes.ICONST_0:
            case InstructionCodes.ICONST_1:
            case InstructionCodes.ICONST_2:
            case InstructionCodes.ICONST_3:
            case InstructionCodes.ICONST_4:
            case InstructionCodes.ICONST_5:
            case InstructionCodes.FCONST_0:
            case InstructionCodes.FCONST_1:
            case InstructionCodes.FCONST_2:
            case InstructionCodes.FCONST_3:
            case InstructionCodes.FCONST_4:
            case InstructionCodes.FCONST_5:
            case InstructionCodes.BCONST_0:
            case InstructionCodes.BCONST_1:
            case InstructionCodes.RCONST_NULL:
            case InstructionCodes.GOTO:
            case InstructionCodes.THROW:
            case InstructionCodes.ERRSTORE:
            case InstructionCodes.NEWXMLSEQ:
                i = codeStream.readInt();
                packageInfo.addInstruction(InstructionFactory.get(opcode, i));
                break;
            case InstructionCodes.ICONST:
            case InstructionCodes.FCONST:
            case InstructionCodes.SCONST:
            case InstructionCodes.IMOVE:
            case InstructionCodes.FMOVE:
            case InstructionCodes.SMOVE:
            case InstructionCodes.BMOVE:
            case InstructionCodes.LMOVE:
            case InstructionCodes.RMOVE:
            case InstructionCodes.IGLOAD:
            case InstructionCodes.FGLOAD:
            case InstructionCodes.SGLOAD:
            case InstructionCodes.BGLOAD:
            case InstructionCodes.LGLOAD:
            case InstructionCodes.RGLOAD:
            case InstructionCodes.IGSTORE:
            case InstructionCodes.FGSTORE:
            case InstructionCodes.SGSTORE:
            case InstructionCodes.BGSTORE:
            case InstructionCodes.LGSTORE:
            case InstructionCodes.RGSTORE:
            case InstructionCodes.INEG:
            case InstructionCodes.FNEG:
            case InstructionCodes.BNOT:
            case InstructionCodes.REQ_NULL:
            case InstructionCodes.RNE_NULL:
            case InstructionCodes.BR_TRUE:
            case InstructionCodes.BR_FALSE:
            case InstructionCodes.TR_END:
            case InstructionCodes.FPLOAD:
            case InstructionCodes.ARRAYLEN:
            case InstructionCodes.INEWARRAY:
            case InstructionCodes.FNEWARRAY:
            case InstructionCodes.SNEWARRAY:
            case InstructionCodes.BNEWARRAY:
            case InstructionCodes.LNEWARRAY:
            case InstructionCodes.RNEWARRAY:
            case InstructionCodes.JSONNEWARRAY:
            case InstructionCodes.NEWSTRUCT:
            case InstructionCodes.NEWCONNECTOR:
            case InstructionCodes.ITR_NEW:
            case InstructionCodes.ITR_HAS_NEXT:
            case InstructionCodes.IRET:
            case InstructionCodes.FRET:
            case InstructionCodes.SRET:
            case InstructionCodes.BRET:
            case InstructionCodes.LRET:
            case InstructionCodes.RRET:
            case InstructionCodes.XML2XMLATTRS:
            case InstructionCodes.NEWXMLCOMMENT:
            case InstructionCodes.NEWXMLTEXT:
            case InstructionCodes.XMLSEQSTORE:
            case InstructionCodes.TYPEOF:
            case InstructionCodes.TYPELOAD:
            case InstructionCodes.SEQ_NULL:
            case InstructionCodes.SNE_NULL:
            case InstructionCodes.NEWJSON:
            case InstructionCodes.NEWMAP:
            case InstructionCodes.NEWTABLE:
            case InstructionCodes.I2ANY:
            case InstructionCodes.F2ANY:
            case InstructionCodes.S2ANY:
            case InstructionCodes.B2ANY:
            case InstructionCodes.L2ANY:
            case InstructionCodes.ANY2I:
            case InstructionCodes.ANY2F:
            case InstructionCodes.ANY2S:
            case InstructionCodes.ANY2B:
            case InstructionCodes.ANY2L:
            case InstructionCodes.ANY2JSON:
            case InstructionCodes.ANY2XML:
            case InstructionCodes.ANY2MAP:
            case InstructionCodes.ANY2TYPE:
            case InstructionCodes.ANY2DT:
            case InstructionCodes.NULL2JSON:
            case InstructionCodes.I2F:
            case InstructionCodes.I2S:
            case InstructionCodes.I2B:
            case InstructionCodes.I2JSON:
            case InstructionCodes.F2I:
            case InstructionCodes.F2S:
            case InstructionCodes.F2B:
            case InstructionCodes.F2JSON:
            case InstructionCodes.S2I:
            case InstructionCodes.S2F:
            case InstructionCodes.S2B:
            case InstructionCodes.S2JSON:
            case InstructionCodes.B2I:
            case InstructionCodes.B2F:
            case InstructionCodes.B2S:
            case InstructionCodes.B2JSON:
            case InstructionCodes.JSON2I:
            case InstructionCodes.JSON2F:
            case InstructionCodes.JSON2S:
            case InstructionCodes.JSON2B:
            case InstructionCodes.DT2XML:
            case InstructionCodes.DT2JSON:
            case InstructionCodes.T2MAP:
            case InstructionCodes.T2JSON:
            case InstructionCodes.XML2JSON:
            case InstructionCodes.JSON2XML:
            case InstructionCodes.XMLATTRS2MAP:
            case InstructionCodes.ANY2SCONV:
            case InstructionCodes.S2XML:
            case InstructionCodes.XML2S:
            case InstructionCodes.S2JSONX:
            case InstructionCodes.NULL2S:
            case InstructionCodes.AWAIT:
            case InstructionCodes.CHECK_CONVERSION:
            case InstructionCodes.XMLLOADALL:
                i = codeStream.readInt();
                j = codeStream.readInt();
                packageInfo.addInstruction(InstructionFactory.get(opcode, i, j));
                break;
            case InstructionCodes.IALOAD:
            case InstructionCodes.FALOAD:
            case InstructionCodes.SALOAD:
            case InstructionCodes.BALOAD:
            case InstructionCodes.LALOAD:
            case InstructionCodes.RALOAD:
            case InstructionCodes.JSONALOAD:
            case InstructionCodes.IASTORE:
            case InstructionCodes.FASTORE:
            case InstructionCodes.SASTORE:
            case InstructionCodes.BASTORE:
            case InstructionCodes.LASTORE:
            case InstructionCodes.RASTORE:
            case InstructionCodes.JSONASTORE:
            case InstructionCodes.IFIELDLOAD:
            case InstructionCodes.FFIELDLOAD:
            case InstructionCodes.SFIELDLOAD:
            case InstructionCodes.BFIELDLOAD:
            case InstructionCodes.LFIELDLOAD:
            case InstructionCodes.RFIELDLOAD:
            case InstructionCodes.IFIELDSTORE:
            case InstructionCodes.FFIELDSTORE:
            case InstructionCodes.SFIELDSTORE:
            case InstructionCodes.BFIELDSTORE:
            case InstructionCodes.LFIELDSTORE:
            case InstructionCodes.RFIELDSTORE:
            case InstructionCodes.MAPLOAD:
            case InstructionCodes.MAPSTORE:
            case InstructionCodes.JSONLOAD:
            case InstructionCodes.JSONSTORE:
            case InstructionCodes.ENUMERATORLOAD:
            case InstructionCodes.IADD:
            case InstructionCodes.FADD:
            case InstructionCodes.SADD:
            case InstructionCodes.XMLADD:
            case InstructionCodes.ISUB:
            case InstructionCodes.FSUB:
            case InstructionCodes.IMUL:
            case InstructionCodes.FMUL:
            case InstructionCodes.IDIV:
            case InstructionCodes.FDIV:
            case InstructionCodes.IMOD:
            case InstructionCodes.FMOD:
            case InstructionCodes.IEQ:
            case InstructionCodes.FEQ:
            case InstructionCodes.SEQ:
            case InstructionCodes.BEQ:
            case InstructionCodes.REQ:
            case InstructionCodes.INE:
            case InstructionCodes.FNE:
            case InstructionCodes.SNE:
            case InstructionCodes.BNE:
            case InstructionCodes.RNE:
            case InstructionCodes.IGT:
            case InstructionCodes.FGT:
            case InstructionCodes.IGE:
            case InstructionCodes.FGE:
            case InstructionCodes.ILT:
            case InstructionCodes.FLT:
            case InstructionCodes.ILE:
            case InstructionCodes.FLE:
            case InstructionCodes.XMLATTRLOAD:
            case InstructionCodes.XMLATTRSTORE:
            case InstructionCodes.S2QNAME:
            case InstructionCodes.NEWXMLPI:
            case InstructionCodes.TEQ:
            case InstructionCodes.TNE:
            case InstructionCodes.XMLLOAD:
            case InstructionCodes.NEW_INT_RANGE:
            case InstructionCodes.LENGTHOF:
            case InstructionCodes.NEWSTREAM:
            case InstructionCodes.CHECKCAST:
            case InstructionCodes.MAP2T:
            case InstructionCodes.JSON2T:
            case InstructionCodes.ANY2T:
            case InstructionCodes.ANY2C:
            case InstructionCodes.ANY2E:
            case InstructionCodes.IS_ASSIGNABLE:
            case InstructionCodes.TR_RETRY:
            case InstructionCodes.XMLSEQLOAD:
                i = codeStream.readInt();
                j = codeStream.readInt();
                k = codeStream.readInt();
                packageInfo.addInstruction(InstructionFactory.get(opcode, i, j, k));
                break;
            case InstructionCodes.NEWQNAME:
            case InstructionCodes.NEWXMLELEMENT:
            case InstructionCodes.TR_BEGIN:
                i = codeStream.readInt();
                j = codeStream.readInt();
                k = codeStream.readInt();
                h = codeStream.readInt();
                packageInfo.addInstruction(InstructionFactory.get(opcode, i, j, k, h));
                break;
            case InstructionCodes.CALL:
                funcRefCPIndex = codeStream.readInt();
                flags = codeStream.readInt();
                funcRefCPEntry = (FunctionRefCPEntry) packageInfo.getCPEntry(funcRefCPIndex);
                packageInfo.addInstruction(new InstructionCALL(opcode, funcRefCPIndex, funcRefCPEntry.getFunctionInfo(), flags, getArgRegs(codeStream), getArgRegs(codeStream)));
                break;
            case InstructionCodes.VCALL:
                int receiverRegIndex = codeStream.readInt();
                funcRefCPIndex = codeStream.readInt();
                flags = codeStream.readInt();
                funcRefCPEntry = (FunctionRefCPEntry) packageInfo.getCPEntry(funcRefCPIndex);
                packageInfo.addInstruction(new InstructionVCALL(opcode, receiverRegIndex, funcRefCPIndex, funcRefCPEntry.getFunctionInfo(), flags, getArgRegs(codeStream), getArgRegs(codeStream)));
                break;
            case InstructionCodes.ACALL:
                int actionRefCPIndex = codeStream.readInt();
                flags = codeStream.readInt();
                ActionRefCPEntry actionRefCPEntry = (ActionRefCPEntry) packageInfo.getCPEntry(actionRefCPIndex);
                packageInfo.addInstruction(new InstructionACALL(opcode, actionRefCPIndex, actionRefCPEntry.getActionName(), flags, getArgRegs(codeStream), getArgRegs(codeStream)));
                break;
            case InstructionCodes.FPCALL:
                funcRefCPIndex = codeStream.readInt();
                flags = codeStream.readInt();
                argRegs = getArgRegs(codeStream);
                retRegs = getArgRegs(codeStream);
                FunctionCallCPEntry funcCallCPEntry = new FunctionCallCPEntry(flags, argRegs, retRegs);
                int funcCallCPIndex = packageInfo.addCPEntry(funcCallCPEntry);
                packageInfo.addInstruction(InstructionFactory.get(opcode, funcRefCPIndex, funcCallCPIndex));
                break;
            case InstructionCodes.TCALL:
                int transformCPIndex = codeStream.readInt();
                flags = codeStream.readInt();
                TransformerRefCPEntry transformerRefCPEntry = (TransformerRefCPEntry) packageInfo.getCPEntry(transformCPIndex);
                packageInfo.addInstruction(new InstructionTCALL(opcode, transformCPIndex, transformerRefCPEntry.getTransformerInfo(), flags, getArgRegs(codeStream), getArgRegs(codeStream)));
                break;
            case InstructionCodes.WRKSEND:
            case InstructionCodes.WRKRECEIVE:
                int channelRefCPIndex = codeStream.readInt();
                WorkerDataChannelRefCPEntry channelRefCPEntry = (WorkerDataChannelRefCPEntry) packageInfo.getCPEntry(channelRefCPIndex);
                int sigCPIndex = codeStream.readInt();
                UTF8CPEntry sigCPEntry = (UTF8CPEntry) packageInfo.getCPEntry(sigCPIndex);
                BType[] bTypes = getParamTypes(sigCPEntry.getValue(), packageInfo);
                packageInfo.addInstruction(new InstructionWRKSendReceive(opcode, channelRefCPIndex, channelRefCPEntry.getWorkerDataChannelInfo(), sigCPIndex, bTypes, getArgRegs(codeStream)));
                break;
            case InstructionCodes.FORKJOIN:
                int forkJoinIndexCPIndex = codeStream.readInt();
                ForkJoinCPEntry forkJoinIndexCPEntry = (ForkJoinCPEntry) packageInfo.getCPEntry(forkJoinIndexCPIndex);
                int timeoutRegIndex = codeStream.readInt();
                int joinVarRegIndex = codeStream.readInt();
                int joinBlockAddr = codeStream.readInt();
                int timeoutVarRegIndex = codeStream.readInt();
                int timeoutBlockAddr = codeStream.readInt();
                packageInfo.addInstruction(new InstructionFORKJOIN(opcode, forkJoinIndexCPIndex, forkJoinIndexCPEntry, timeoutRegIndex, joinVarRegIndex, joinBlockAddr, timeoutVarRegIndex, timeoutBlockAddr));
                break;
            case InstructionCodes.ITR_NEXT:
                int iteratorIndex = codeStream.readInt();
                int[] typeTags = getArgRegs(codeStream);
                retRegs = getArgRegs(codeStream);
                packageInfo.addInstruction(new InstructionIteratorNext(opcode, iteratorIndex, retRegs.length, typeTags, retRegs));
                break;
            case InstructionCodes.LOCK:
            case InstructionCodes.UNLOCK:
                int varCount = codeStream.readInt();
                BType[] varTypes = new BType[varCount];
                int[] varRegs = new int[varCount];
                for (int m = 0; m < varCount; m++) {
                    int varSigCPIndex = codeStream.readInt();
                    TypeRefCPEntry typeRefCPEntry = (TypeRefCPEntry) packageInfo.getCPEntry(varSigCPIndex);
                    varTypes[m] = typeRefCPEntry.getType();
                    varRegs[m] = codeStream.readInt();
                }
                packageInfo.addInstruction(new InstructionLock(opcode, varTypes, varRegs));
                break;
            default:
                throw new ProgramFileFormatException("unknown opcode " + opcode + " in package " + packageInfo.getPkgPath());
        }
    }
}

Example 2 with ProgramFileFormatException

use of org.ballerinalang.util.exceptions.ProgramFileFormatException in project ballerina by ballerina-lang.

the class ProgramFileReader method getDefaultValue.

private DefaultValue getDefaultValue(DataInputStream dataInStream, ConstantPool constantPool) throws IOException {
    DefaultValue defaultValue;
    int typeDescCPIndex = dataInStream.readInt();
    UTF8CPEntry typeDescCPEntry = (UTF8CPEntry) constantPool.getCPEntry(typeDescCPIndex);
    String typeDesc = typeDescCPEntry.getValue();
    int valueCPIndex;
    switch(typeDesc) {
        case TypeSignature.SIG_BOOLEAN:
            boolean boolValue = dataInStream.readBoolean();
            defaultValue = new DefaultValue(typeDescCPIndex, typeDesc);
            defaultValue.setBooleanValue(boolValue);
            break;
        case TypeSignature.SIG_INT:
            valueCPIndex = dataInStream.readInt();
            IntegerCPEntry integerCPEntry = (IntegerCPEntry) constantPool.getCPEntry(valueCPIndex);
            defaultValue = new DefaultValue(typeDescCPIndex, typeDesc);
            defaultValue.setIntValue(integerCPEntry.getValue());
            break;
        case TypeSignature.SIG_FLOAT:
            valueCPIndex = dataInStream.readInt();
            FloatCPEntry floatCPEntry = (FloatCPEntry) constantPool.getCPEntry(valueCPIndex);
            defaultValue = new DefaultValue(typeDescCPIndex, typeDesc);
            defaultValue.setFloatValue(floatCPEntry.getValue());
            break;
        case TypeSignature.SIG_STRING:
            valueCPIndex = dataInStream.readInt();
            UTF8CPEntry stringCPEntry = (UTF8CPEntry) constantPool.getCPEntry(valueCPIndex);
            defaultValue = new DefaultValue(typeDescCPIndex, typeDesc);
            defaultValue.setStringValue(stringCPEntry.getValue());
            break;
        default:
            throw new ProgramFileFormatException("unknown default value type " + typeDesc);
    }
    return defaultValue;
}

Example 3 with ProgramFileFormatException

use of org.ballerinalang.util.exceptions.ProgramFileFormatException 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 4 with ProgramFileFormatException

use of org.ballerinalang.util.exceptions.ProgramFileFormatException in project ballerina by ballerina-lang.

the class ProgramFileReader method createBTypeFromSig.

private int createBTypeFromSig(char[] chars, int index, Stack<BType> typeStack, PackageInfo packageInfo) {
    int nameIndex;
    char ch = chars[index];
    switch(ch) {
        case 'I':
            typeStack.push(BTypes.typeInt);
            return index + 1;
        case 'F':
            typeStack.push(BTypes.typeFloat);
            return index + 1;
        case 'S':
            typeStack.push(BTypes.typeString);
            return index + 1;
        case 'B':
            typeStack.push(BTypes.typeBoolean);
            return index + 1;
        case 'L':
            typeStack.push(BTypes.typeBlob);
            return index + 1;
        case 'Y':
            typeStack.push(BTypes.typeDesc);
            return index + 1;
        case 'A':
            typeStack.push(BTypes.typeAny);
            return index + 1;
        case 'R':
            // TODO Improve this logic
            index++;
            nameIndex = index;
            while (chars[nameIndex] != ';') {
                nameIndex++;
            }
            String typeName = new String(Arrays.copyOfRange(chars, index, nameIndex));
            typeStack.push(BTypes.getTypeFromName(typeName));
            return nameIndex + 1;
        case 'C':
        case 'J':
        case 'T':
        case 'E':
        case 'D':
        case 'H':
        case 'Z':
            char typeChar = chars[index];
            // TODO Improve this logic
            index++;
            nameIndex = index;
            int colonIndex = -1;
            while (chars[nameIndex] != ';') {
                if (chars[nameIndex] == ':') {
                    colonIndex = nameIndex;
                }
                nameIndex++;
            }
            String pkgPath;
            String name;
            PackageInfo packageInfoOfType;
            if (colonIndex != -1) {
                pkgPath = new String(Arrays.copyOfRange(chars, index, colonIndex));
                name = new String(Arrays.copyOfRange(chars, colonIndex + 1, nameIndex));
                packageInfoOfType = programFile.getPackageInfo(pkgPath);
            } else {
                name = new String(Arrays.copyOfRange(chars, index, nameIndex));
                // Setting the current package;
                packageInfoOfType = packageInfo;
            }
            if (typeChar == 'C') {
                typeStack.push(packageInfoOfType.getConnectorInfo(name).getType());
            } else if (typeChar == 'J') {
                if (name.isEmpty()) {
                    typeStack.push(BTypes.typeJSON);
                } else {
                    typeStack.push(new BJSONType(packageInfoOfType.getStructInfo(name).getType()));
                }
            } else if (typeChar == 'D') {
                if (name.isEmpty()) {
                    typeStack.push(BTypes.typeTable);
                } else {
                    typeStack.push(new BTableType(packageInfoOfType.getStructInfo(name).getType()));
                }
            } else if (typeChar == 'H') {
                if (name.isEmpty()) {
                    typeStack.push(BTypes.typeStream);
                } else {
                    typeStack.push(new BStreamType(packageInfoOfType.getStructInfo(name).getType()));
                }
            } else if (typeChar == 'E') {
                typeStack.push(packageInfoOfType.getEnumInfo(name).getType());
            } else {
                // This is a struct type
                typeStack.push(packageInfoOfType.getStructInfo(name).getType());
            }
            return nameIndex + 1;
        case '[':
            index = createBTypeFromSig(chars, index + 1, typeStack, packageInfo);
            BType elemType = typeStack.pop();
            BArrayType arrayType = new BArrayType(elemType);
            typeStack.push(arrayType);
            return index;
        case 'M':
            index = createBTypeFromSig(chars, index + 1, typeStack, packageInfo);
            BType constrainedType = typeStack.pop();
            BType mapType;
            if (constrainedType == BTypes.typeAny) {
                mapType = BTypes.typeMap;
            } else {
                mapType = new BMapType(constrainedType);
            }
            typeStack.push(mapType);
            return index;
        case 'U':
            // TODO : Fix this for type casting.
            typeStack.push(new BFunctionType());
            return index + 1;
        case 'O':
        case 'P':
            typeChar = chars[index];
            index++;
            nameIndex = index;
            while (chars[nameIndex] != ';') {
                nameIndex++;
            }
            List<BType> memberTypes = new ArrayList<>();
            int memberCount = Integer.parseInt(new String(Arrays.copyOfRange(chars, index, nameIndex)));
            index = nameIndex;
            for (int i = 0; i < memberCount; i++) {
                index = createBTypeFromSig(chars, index + 1, typeStack, packageInfo) - 1;
                memberTypes.add(typeStack.pop());
            }
            if (typeChar == 'O') {
                typeStack.push(new BUnionType(memberTypes));
            } else if (typeChar == 'P') {
                typeStack.push(new BTupleType(memberTypes));
            }
            return index + 1;
        case 'N':
            typeStack.push(BTypes.typeNull);
            return index + 1;
        default:
            throw new ProgramFileFormatException("unsupported base type char: " + ch);
    }
}

Example 5 with ProgramFileFormatException

use of org.ballerinalang.util.exceptions.ProgramFileFormatException in project ballerina by ballerina-lang.

the class ProgramFileReader method readCPEntry.

private ConstantPoolEntry readCPEntry(DataInputStream dataInStream, ConstantPool constantPool, ConstantPoolEntry.EntryType cpEntryType) throws IOException {
    int cpIndex;
    int pkgCPIndex;
    UTF8CPEntry utf8CPEntry;
    PackageRefCPEntry packageRefCPEntry;
    Optional<PackageInfo> packageInfoOptional;
    switch(cpEntryType) {
        case CP_ENTRY_UTF8:
            short length = dataInStream.readShort();
            String strValue = null;
            // Therefore we read the UTF value only if the length >= 0.
            if (length >= 0) {
                strValue = dataInStream.readUTF();
            }
            return new UTF8CPEntry(strValue);
        case CP_ENTRY_INTEGER:
            long longVal = dataInStream.readLong();
            return new IntegerCPEntry(longVal);
        case CP_ENTRY_FLOAT:
            double doubleVal = dataInStream.readDouble();
            return new FloatCPEntry(doubleVal);
        case CP_ENTRY_STRING:
            cpIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            return new StringCPEntry(cpIndex, utf8CPEntry.getValue());
        case CP_ENTRY_PACKAGE:
            cpIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            return new PackageRefCPEntry(cpIndex, utf8CPEntry.getValue());
        case CP_ENTRY_FUNCTION_REF:
            pkgCPIndex = dataInStream.readInt();
            packageRefCPEntry = (PackageRefCPEntry) constantPool.getCPEntry(pkgCPIndex);
            cpIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            String funcName = utf8CPEntry.getValue();
            FunctionRefCPEntry functionRefCPEntry = new FunctionRefCPEntry(pkgCPIndex, packageRefCPEntry.getPackageName(), cpIndex, funcName);
            // Find the functionInfo
            packageInfoOptional = Optional.ofNullable(programFile.getPackageInfo(packageRefCPEntry.getPackageName()));
            Optional<FunctionInfo> funcInfoOptional = packageInfoOptional.map(packageInfo -> packageInfo.getFunctionInfo(funcName));
            if (!funcInfoOptional.isPresent()) {
                // This must reference to the current package and the current package is not been read yet.
                // Therefore we add this to the unresolved CP Entry list.
                unresolvedCPEntries.add(functionRefCPEntry);
                return functionRefCPEntry;
            }
            functionRefCPEntry.setFunctionInfo(funcInfoOptional.get());
            return functionRefCPEntry;
        case CP_ENTRY_TRANSFORMER_REF:
            pkgCPIndex = dataInStream.readInt();
            packageRefCPEntry = (PackageRefCPEntry) constantPool.getCPEntry(pkgCPIndex);
            cpIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            String transformerName = utf8CPEntry.getValue();
            TransformerRefCPEntry transformerRefCPEntry = new TransformerRefCPEntry(pkgCPIndex, packageRefCPEntry.getPackageName(), cpIndex, transformerName);
            // Find the transformerInfo
            packageInfoOptional = Optional.ofNullable(programFile.getPackageInfo(packageRefCPEntry.getPackageName()));
            Optional<TransformerInfo> transInfoOptional = packageInfoOptional.map(packageInfo -> packageInfo.getTransformerInfo(transformerName));
            if (!transInfoOptional.isPresent()) {
                // This must reference to the current package and the current package is not been read yet.
                // Therefore we add this to the unresolved CP Entry list.
                unresolvedCPEntries.add(transformerRefCPEntry);
                return transformerRefCPEntry;
            }
            transformerRefCPEntry.setTransformerInfo(transInfoOptional.get());
            return transformerRefCPEntry;
        case CP_ENTRY_ACTION_REF:
            pkgCPIndex = dataInStream.readInt();
            packageRefCPEntry = (PackageRefCPEntry) constantPool.getCPEntry(pkgCPIndex);
            cpIndex = dataInStream.readInt();
            UTF8CPEntry nameCPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            String actionName = nameCPEntry.getValue();
            return new ActionRefCPEntry(pkgCPIndex, packageRefCPEntry.getPackageName(), cpIndex, actionName);
        case CP_ENTRY_STRUCTURE_REF:
            pkgCPIndex = dataInStream.readInt();
            packageRefCPEntry = (PackageRefCPEntry) constantPool.getCPEntry(pkgCPIndex);
            cpIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(cpIndex);
            StructureRefCPEntry structureRefCPEntry = new StructureRefCPEntry(pkgCPIndex, packageRefCPEntry.getPackageName(), cpIndex, utf8CPEntry.getValue());
            packageInfoOptional = Optional.ofNullable(programFile.getPackageInfo(packageRefCPEntry.getPackageName()));
            Optional<StructureTypeInfo> structInfoOptional = packageInfoOptional.map(packageInfo -> packageInfo.getStructureTypeInfo(utf8CPEntry.getValue()));
            if (!structInfoOptional.isPresent()) {
                // This must reference to the current package and the current package is not been read yet.
                // Therefore we add this to the unresolved CP Entry list.
                unresolvedCPEntries.add(structureRefCPEntry);
                return structureRefCPEntry;
            }
            structureRefCPEntry.setStructureTypeInfo(structInfoOptional.get());
            return structureRefCPEntry;
        case CP_ENTRY_TYPE_REF:
            int typeSigCPIndex = dataInStream.readInt();
            utf8CPEntry = (UTF8CPEntry) constantPool.getCPEntry(typeSigCPIndex);
            TypeRefCPEntry typeRefCPEntry = new TypeRefCPEntry(typeSigCPIndex, utf8CPEntry.getValue());
            unresolvedCPEntries.add(typeRefCPEntry);
            return typeRefCPEntry;
        case CP_ENTRY_FORK_JOIN:
            int forkJoinCPIndex = dataInStream.readInt();
            return new ForkJoinCPEntry(forkJoinCPIndex);
        case CP_ENTRY_WRKR_DATA_CHNL_REF:
            int uniqueNameCPIndex = dataInStream.readInt();
            UTF8CPEntry wrkrDtChnlTypesSigCPEntry = (UTF8CPEntry) constantPool.getCPEntry(uniqueNameCPIndex);
            return new WorkerDataChannelRefCPEntry(uniqueNameCPIndex, wrkrDtChnlTypesSigCPEntry.getValue());
        default:
            throw new ProgramFileFormatException("invalid constant pool entry " + cpEntryType.getValue());
    }
}