Make "file" clear TUI source window

I noticed that a plain "file" will leave the current source file in
the TUI source window.  Instead, I think, it should clear the source
window.  This patch implements this.

gdb/ChangeLog
2020-01-19  Tom Tromey  <tom@tromey.com>

	* tui/tui-winsource.c (tui_update_source_windows_with_line):
	Handle case where symtab is null.

gdb/testsuite/ChangeLog
2020-01-19  Tom Tromey  <tom@tromey.com>

	* gdb.tui/main.exp: Add check for plain "file".

Change-Id: I8424acf837f1a47f75bc6a833d1e917d4c10b51e
This commit is contained in:
Tom Tromey 2019-12-21 11:14:56 -07:00
parent fa47e4463a
commit 4f13c1c00b
4 changed files with 22 additions and 5 deletions

View File

@ -1,3 +1,8 @@
2020-01-19 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.c (tui_update_source_windows_with_line):
Handle case where symtab is null.
2020-01-19 Simon Marchi <simon.marchi@polymtl.ca>
* linux-fork.c (one_fork_p): Simplify.

View File

@ -1,3 +1,7 @@
2020-01-19 Tom Tromey <tom@tromey.com>
* gdb.tui/main.exp: Add check for plain "file".
2020-01-16 Christian Biesinger <cbiesinger@google.com>
* lib/gdb.exp: Fix spelling error (seperatelly).

View File

@ -26,9 +26,16 @@ if {[build_executable "failed to prepare" ${testfile} ${srcfile}] == -1} {
# Note: don't pass the executable here
Term::clean_restart 24 80
# Later on we'd like to avoid having to answer a question.
gdb_test_no_output "set interactive-mode off"
if {![Term::enter_tui]} {
unsupported "TUI not supported"
}
Term::command "file [standard_output_file $testfile]"
Term::check_contents "show main after file" "\\|.*21 *return 0"
# Ensure that "file" clears the source window.
Term::command "file"
Term::check_contents "file clears window" "No Source Available"

View File

@ -212,11 +212,12 @@ tui_update_source_windows_with_addr (struct gdbarch *gdbarch, CORE_ADDR addr)
void
tui_update_source_windows_with_line (struct symtab_and_line sal)
{
if (!sal.symtab)
return;
find_line_pc (sal.symtab, sal.line, &sal.pc);
struct gdbarch *gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
struct gdbarch *gdbarch = nullptr;
if (sal.symtab != nullptr)
{
find_line_pc (sal.symtab, sal.line, &sal.pc);
gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
}
for (struct tui_source_window_base *win_info : tui_source_windows ())
win_info->update_source_window (gdbarch, sal);