question: private JNIWriter ( Context context ) { context . put ( jniWriterKey , this ) ; fileManager = context . get ( JavaFileManager . class ) ; log = Log . instance ( context ) ; Options options = Options . instance ( context ) ; verbose = options . isSet ( VERBOSE ) ; checkAll = options . isSet ( "javah:full" ) ; this . context = context ; syms = Symtab . instance ( context ) ; lineSep = System . getProperty ( "line.separator" ) ; }
target:  Construct a class writer, given an options table.