The writeStatement function is now part of CodeGenData.

The writeStatement function is now part of CodeGenData.

Leading code which is common to all finishRagelDef() functions has been moved
to the parser class, immediately before calling finishRagelDef().

The setLabelsNeeded() function is now called from writeExec in code generators
that require it (in-place goto and split goto).

The hasBeenPrepared variable is no longer needed, removed.

git-svn-id: http://svn.complang.org/ragel/trunk@78 052ea7fc-9027-0410-9066-f65837a77df0