use of org.wso2.ballerinalang.programfile.cpentries.ConstantPoolEntry in project ballerina by ballerina-lang.
the class PackageInfoWriter method writeCP.
public static void writeCP(DataOutputStream dataOutStream, ConstantPoolEntry[] constPool) throws IOException {
dataOutStream.writeInt(constPool.length);
for (ConstantPoolEntry cpEntry : constPool) {
// Emitting the kind of the constant pool entry.
dataOutStream.writeByte(cpEntry.getEntryType().getValue());
int nameCPIndex;
switch(cpEntry.getEntryType()) {
case CP_ENTRY_UTF8:
String stringVal = ((UTF8CPEntry) cpEntry).getValue();
if (stringVal != null) {
byte[] bytes = toUTF(stringVal);
dataOutStream.writeShort(bytes.length);
dataOutStream.write(bytes);
} else {
// If the string value is null, we write the size as -1.
// This marks that the value followed by -1 size is a null value.
dataOutStream.writeShort(NULL_VALUE_FIELD_SIZE_TAG);
}
break;
case CP_ENTRY_INTEGER:
long longVal = ((IntegerCPEntry) cpEntry).getValue();
dataOutStream.writeLong(longVal);
break;
case CP_ENTRY_FLOAT:
double doubleVal = ((FloatCPEntry) cpEntry).getValue();
dataOutStream.writeDouble(doubleVal);
break;
case CP_ENTRY_STRING:
nameCPIndex = ((StringCPEntry) cpEntry).getStringCPIndex();
dataOutStream.writeInt(nameCPIndex);
break;
case CP_ENTRY_PACKAGE:
nameCPIndex = ((PackageRefCPEntry) cpEntry).nameCPIndex;
dataOutStream.writeInt(nameCPIndex);
break;
case CP_ENTRY_FUNCTION_REF:
FunctionRefCPEntry funcRefEntry = (FunctionRefCPEntry) cpEntry;
dataOutStream.writeInt(funcRefEntry.packageCPIndex);
dataOutStream.writeInt(funcRefEntry.nameCPIndex);
break;
case CP_ENTRY_ACTION_REF:
ActionRefCPEntry actionRefEntry = (ActionRefCPEntry) cpEntry;
dataOutStream.writeInt(actionRefEntry.getPackageCPIndex());
dataOutStream.writeInt(actionRefEntry.getNameCPIndex());
break;
case CP_ENTRY_STRUCTURE_REF:
StructureRefCPEntry structureRefCPEntry = (StructureRefCPEntry) cpEntry;
dataOutStream.writeInt(structureRefCPEntry.packageCPIndex);
dataOutStream.writeInt(structureRefCPEntry.nameCPIndex);
break;
case CP_ENTRY_TYPE_REF:
TypeRefCPEntry typeRefCPEntry = (TypeRefCPEntry) cpEntry;
dataOutStream.writeInt(typeRefCPEntry.typeSigCPIndex);
break;
case CP_ENTRY_FORK_JOIN:
ForkJoinCPEntry forkJoinCPEntry = (ForkJoinCPEntry) cpEntry;
dataOutStream.writeInt(forkJoinCPEntry.forkJoinInfoIndex);
break;
case CP_ENTRY_WRKR_DATA_CHNL_REF:
WorkerDataChannelRefCPEntry workerDataChannelCPEntry = (WorkerDataChannelRefCPEntry) cpEntry;
dataOutStream.writeInt(workerDataChannelCPEntry.getUniqueNameCPIndex());
break;
case CP_ENTRY_TRANSFORMER_REF:
TransformerRefCPEntry transformerRefEntry = (TransformerRefCPEntry) cpEntry;
dataOutStream.writeInt(transformerRefEntry.packageCPIndex);
dataOutStream.writeInt(transformerRefEntry.nameCPIndex);
break;
}
}
}
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