Message ID | 1510859318-31411-1-git-send-email-dmalcolm@redhat.com |
---|---|
State | New |
Headers | show |
Series | gdbinit.in: add "break-on-diagnostic" command | expand |
On 11/16/2017 12:08 PM, David Malcolm wrote: > It's useful to be able to put a breakpoint on the *emission* of > a diagnostic (without having to step past all of the warnings > that are suppressed because of command-line options). > > The invocation: > > (gdb) break diagnostic_show_locus > > has been my approach for this for a while (it even works in > the presence of -fno-diagnostics-show-caret). > > This patch adds a pre-canned gdb command for adding this > breakpoint. > > Not sure if I can self-approve this, but it's been very useful; > it works nicely with tab-completion. I guess I'll commit it > in a few days, unless people here can suggest improvements. > > gcc/ChangeLog: > * gdbinit.in (break-on-diagnostic): New command. OK. jeff
diff --git a/gcc/gdbinit.in b/gcc/gdbinit.in index 3e1279e..ebdeaf0 100644 --- a/gcc/gdbinit.in +++ b/gcc/gdbinit.in @@ -208,6 +208,16 @@ document pcfun Print current function. end +define break-on-diagnostic +break diagnostic_show_locus +end + +document break-on-diagnostic +Put a breakpoint on diagnostic_show_locus, called whenever a diagnostic +is emitted (as opposed to those warnings that are suppressed by +command-line options). +end + # Define some macros helpful to gdb when it is expanding macros. macro define __FILE__ "gdb" macro define __LINE__ 1