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[Bug cli/15548] New: Limit completions to a pre-defined limit when completions list is very large
- From: "pmuldoon at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Wed, 29 May 2013 11:39:51 +0000
- Subject: [Bug cli/15548] New: Limit completions to a pre-defined limit when completions list is very large
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=15548
Bug ID: 15548
Summary: Limit completions to a pre-defined limit when
completions list is very large
Product: gdb
Version: unknown
Status: NEW
Severity: enhancement
Priority: P2
Component: cli
Assignee: unassigned at sourceware dot org
Reporter: pmuldoon at redhat dot com
Related: http://sourceware.org/bugzilla/show_bug.cgi?id=9007
When you complete on a symbol with a wide-scope expression (ie bt _<tab>), GDB
can sometimes take a very long time to compile a list of symbols for
completion. This large symbol list is useless anyway, nobody is going to comb
through 70,000 symbols to find the right one.
In these cases, we should limit the number of symbols iterated to a set limit
before we bail out, and declare the symbol expression too broad for completion.
This will signal to the user to enter a more tightly defined expression (which
they would do, anyway), and not frustrate them with a long wait while GDB
grinds through thousands of symbols to provide a completion list that is
unusable.
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