ISymbol
ISymbolSet. add ( String name)
true
ISymbolSet. add ( String name, String value)
ISymbolSet. add ( String identifier, String value, int type)
ISymbolSetFactory. createSymbol ( String name, String value)
Collection< ISymbol>
ISymbolSet. getSymbols ()
void
ISymbolSet. add ( ISymbol s)
ISymbolSet. add ( Collection< ISymbol> symbols)
ISymbolSet. remove ( Collection< ISymbol> c)