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| author | Gary Benson <gbenson@redhat.com> | 2015-01-31 15:07:22 -0800 |
|---|---|---|
| committer | Doug Evans <xdje42@gmail.com> | 2015-01-31 15:07:22 -0800 |
| commit | ef0b411a110cd2602cb89c3fb237baf8beb28545 (patch) | |
| tree | f689bb2c56c0d75b884ee535c8137ed9ebe7d561 /gdb/testsuite/gdb.linespec | |
| parent | e11c72c7e4879894b9711b5c0b8247c20c6050f6 (diff) | |
| download | gdb-ef0b411a110cd2602cb89c3fb237baf8beb28545.zip gdb-ef0b411a110cd2602cb89c3fb237baf8beb28545.tar.gz gdb-ef0b411a110cd2602cb89c3fb237baf8beb28545.tar.bz2 | |
Add max-completions parameter, and implement tab-completion limiting.
This commit adds a new exception, MAX_COMPLETIONS_REACHED_ERROR, to be
thrown whenever the completer has generated too many candidates to
be useful. A new user-settable variable, "max_completions", is added
to control this behaviour. A top-level completion limit is added to
complete_line_internal, as the final check to ensure the user never
sees too many completions. An additional limit is added to
default_make_symbol_completion_list_break_on, to halt time-consuming
symbol table expansions.
gdb/ChangeLog:
PR cli/9007
PR cli/11920
PR cli/15548
* cli/cli-cmds.c (complete_command): Notify user if max-completions
reached.
* common/common-exceptions.h (enum errors)
<MAX_COMPLETIONS_REACHED_ERROR>: New value.
* completer.h (get_max_completions_reached_message): New declaration.
(max_completions): Likewise.
(completion_tracker_t): New typedef.
(new_completion_tracker): New declaration.
(make_cleanup_free_completion_tracker): Likewise.
(maybe_add_completion_enum): New enum.
(maybe_add_completion): New declaration.
(throw_max_completions_reached_error): Likewise.
* completer.c (max_completions): New global variable.
(new_completion_tracker): New function.
(free_completion_tracker): Likewise.
(make_cleanup_free_completion_tracker): Likewise.
(maybe_add_completions): Likewise.
(throw_max_completions_reached_error): Likewise.
(complete_line): Remove duplicates and limit result to max_completions
entries.
(get_max_completions_reached_message): New function.
(gdb_display_match_list): Handle max_completions.
(_initialize_completer): New declaration and function.
* symtab.c: Include completer.h.
(completion_tracker): New static variable.
(completion_list_add_name): Call maybe_add_completion.
(default_make_symbol_completion_list_break_on_1): Renamed from
default_make_symbol_completion_list_break_on. Maintain
completion_tracker across calls to completion_list_add_name.
(default_make_symbol_completion_list_break_on): New function.
* top.c (init_main): Set rl_completion_display_matches_hook.
* tui/tui-io.c: Include completer.h.
(tui_old_rl_display_matches_hook): New static global.
(tui_rl_display_match_list): Notify user if max-completions reached.
(tui_setup_io): Save/restore rl_completion_display_matches_hook.
* NEWS (New Options): Mention set/show max-completions.
gdb/doc/ChangeLog:
* gdb.texinfo (Command Completion): Document new
"set/show max-completions" option.
gdb/testsuite/ChangeLog:
* gdb.base/completion.exp: Disable completion limiting for
existing tests. Add new tests to check completion limiting.
* gdb.linespec/ls-errs.exp: Disable completion limiting.
Diffstat (limited to 'gdb/testsuite/gdb.linespec')
| -rw-r--r-- | gdb/testsuite/gdb.linespec/ls-errs.exp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.linespec/ls-errs.exp b/gdb/testsuite/gdb.linespec/ls-errs.exp index 322598e..019312c 100644 --- a/gdb/testsuite/gdb.linespec/ls-errs.exp +++ b/gdb/testsuite/gdb.linespec/ls-errs.exp @@ -26,6 +26,9 @@ if {[prepare_for_testing $testfile $exefile $srcfile \ # Turn off the pending breakpoint queries. gdb_test_no_output "set breakpoint pending off" +# Turn off completion limiting +gdb_test_no_output "set max-completions unlimited" + # We intentionally do not use gdb_breakpoint for these tests. # Break at 'linespec' and expect the message in ::error_messages indexed by |