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Date: Fri, 13 Jan 2006 11:32:00 -0000
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From: Eli Zaretskii <eliz@gnu.org>
To: Paul Hilfinger <hilfingr@gnat.com>
CC: gdb@sourceware.org
In-reply-to: <20060113104212.0B28848CBD8@nile.gnat.com> (message from Paul 	Hilfinger on Fri, 13 Jan 2006 05:42:12 -0500 (EST))
Subject: Re: [RFC] multiple breakpoints from FILE:LINE
Reply-to: Eli Zaretskii <eliz@gnu.org>
References:  <20060113104212.0B28848CBD8@nile.gnat.com>
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> From: Paul Hilfinger <hilfingr@gnat.com>
> Date: Fri, 13 Jan 2006 05:42:12 -0500 (EST)
> 
>    break FILENAME:LINENUM
> 
> Normally, this refers to a single location in a program, but if this line
> is in the middle of a C++ template, a multiply #included file, or an
> Ada generic definition, it may refer to several locations.  Currently,
> GDB chooses one of these silently.

Shouldn't it set breakpoints on ALL of those places instead?

> In Ada mode, AdaCore's GNAT Pro version of GDB will also present a menu in 
> response to this latter case.  In addition, we introduced a syntax 
> (little used, I believe) for specifying a line in one specific generic 
> instance:
> 
> 	break FILENAME:FUNCTION:LINENUM
> 
> where FUNCTION here would be fully qualified.   That is, if P1 and P2
> are two different instantiations of a generic class defining F, then
> 
>     break something.adb:P2.F:12
> 
> sets a breakpoint at line 12 in P2.F.

I'm not sure I understand: why isn't something.adb:12 enough to
specify the breakpoint location unambiguously?