Some impressive code-completion features have been implemented as part of GCCSense, providing accurate editor-agnostic code completion.
http://cx4a.org/software/gccsense/ This required some GCC modifications, and thus requires a customized compiler. It would be very useful if these modifications were merged upstream, or could at least be implemented as a plugin. Repository here: http://cx4a.org/repo/gcc.git -- Summary: GCCSense: merge code-assist branch, or plugin Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bugs at 59A2 dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44657