From ca5909c7de7353d8005bf8fdcc020b8f14cc1603 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sun, 13 Aug 2017 10:47:32 -0600 Subject: [PATCH] Remove make_cleanup_ui_out_redirect_pop This patch introduces ui_out_redirect_pop. All uses of make_cleanup_ui_out_redirect_pop are replaced with this new class. ChangeLog 2017-09-09 Tom Tromey * mi/mi-interp.c (mi_user_selected_context_changed): Use ui_out_redirect_pop. * guile/scm-ports.c (ioscm_with_output_to_port_worker): Use ui_out_redirect_pop. * utils.c (do_ui_out_redirect_pop) (make_cleanup_ui_out_redirect_pop): Remove. * top.c (execute_command_to_string): Use ui_out_redirect_pop. * utils.h (make_cleanup_ui_out_redirect_pop): Remove. * ui-out.h (ui_out_redirect_pop): New class. --- gdb/ChangeLog | 12 ++++++++++++ gdb/guile/scm-ports.c | 22 +++++++++++++--------- gdb/mi/mi-interp.c | 5 ++--- gdb/top.c | 32 +++++++++++++++++--------------- gdb/ui-out.h | 23 +++++++++++++++++++++++ gdb/utils.c | 19 ------------------- gdb/utils.h | 4 ---- 7 files changed, 67 insertions(+), 50 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 6997e0787bd..736cdc170fd 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,15 @@ +2017-09-09 Tom Tromey + + * mi/mi-interp.c (mi_user_selected_context_changed): Use + ui_out_redirect_pop. + * guile/scm-ports.c (ioscm_with_output_to_port_worker): Use + ui_out_redirect_pop. + * utils.c (do_ui_out_redirect_pop) + (make_cleanup_ui_out_redirect_pop): Remove. + * top.c (execute_command_to_string): Use ui_out_redirect_pop. + * utils.h (make_cleanup_ui_out_redirect_pop): Remove. + * ui-out.h (ui_out_redirect_pop): New class. + 2017-09-09 Tom Tromey * mi/mi-main.c (output_cores): Use ui_out_emit_list. diff --git a/gdb/guile/scm-ports.c b/gdb/guile/scm-ports.c index 735abc28ae6..78187c4e1d1 100644 --- a/gdb/guile/scm-ports.c +++ b/gdb/guile/scm-ports.c @@ -26,6 +26,7 @@ #include "top.h" #include "target.h" #include "guile-internal.h" +#include "common/gdb_optional.h" #ifdef HAVE_POLL #if defined (HAVE_POLL_H) @@ -477,17 +478,20 @@ ioscm_with_output_to_port_worker (SCM port, SCM thunk, enum oport oport, scoped_restore save_file = make_scoped_restore (oport == GDB_STDERR ? &gdb_stderr : &gdb_stdout); - if (oport == GDB_STDERR) - gdb_stderr = port_file.get (); - else - { - current_uiout->redirect (port_file.get ()); - make_cleanup_ui_out_redirect_pop (current_uiout); + { + gdb::optional redirect_popper; + if (oport == GDB_STDERR) + gdb_stderr = port_file.get (); + else + { + current_uiout->redirect (port_file.get ()); + redirect_popper.emplace (current_uiout); - gdb_stdout = port_file.get (); - } + gdb_stdout = port_file.get (); + } - result = gdbscm_safe_call_0 (thunk, NULL); + result = gdbscm_safe_call_0 (thunk, NULL); + } do_cleanups (cleanups); diff --git a/gdb/mi/mi-interp.c b/gdb/mi/mi-interp.c index ca8ff1437b7..f96c59a64b9 100644 --- a/gdb/mi/mi-interp.c +++ b/gdb/mi/mi-interp.c @@ -1314,10 +1314,9 @@ mi_user_selected_context_changed (user_selected_what selection) mi_uiout = interp_ui_out (top_level_interpreter ()); mi_uiout->redirect (mi->event_channel); + ui_out_redirect_pop redirect_popper (mi_uiout); - old_chain = make_cleanup_ui_out_redirect_pop (mi_uiout); - - make_cleanup_restore_target_terminal (); + old_chain = make_cleanup_restore_target_terminal (); target_terminal_ours_for_output (); if (selection & USER_SELECTED_INFERIOR) diff --git a/gdb/top.c b/gdb/top.c index a4fd262d294..742c1e7a07e 100644 --- a/gdb/top.c +++ b/gdb/top.c @@ -679,21 +679,23 @@ execute_command_to_string (char *p, int from_tty) string_file str_file; - current_uiout->redirect (&str_file); - make_cleanup_ui_out_redirect_pop (current_uiout); - - scoped_restore save_stdout - = make_scoped_restore (&gdb_stdout, &str_file); - scoped_restore save_stderr - = make_scoped_restore (&gdb_stderr, &str_file); - scoped_restore save_stdlog - = make_scoped_restore (&gdb_stdlog, &str_file); - scoped_restore save_stdtarg - = make_scoped_restore (&gdb_stdtarg, &str_file); - scoped_restore save_stdtargerr - = make_scoped_restore (&gdb_stdtargerr, &str_file); - - execute_command (p, from_tty); + { + current_uiout->redirect (&str_file); + ui_out_redirect_pop redirect_popper (current_uiout); + + scoped_restore save_stdout + = make_scoped_restore (&gdb_stdout, &str_file); + scoped_restore save_stderr + = make_scoped_restore (&gdb_stderr, &str_file); + scoped_restore save_stdlog + = make_scoped_restore (&gdb_stdlog, &str_file); + scoped_restore save_stdtarg + = make_scoped_restore (&gdb_stdtarg, &str_file); + scoped_restore save_stdtargerr + = make_scoped_restore (&gdb_stdtargerr, &str_file); + + execute_command (p, from_tty); + } do_cleanups (cleanup); diff --git a/gdb/ui-out.h b/gdb/ui-out.h index d9838379b4b..9ed2bd29531 100644 --- a/gdb/ui-out.h +++ b/gdb/ui-out.h @@ -242,4 +242,27 @@ private: struct ui_out *m_uiout; }; +/* On destruction, pop the last redirection by calling the uiout's + redirect method with a NULL parameter. */ +class ui_out_redirect_pop +{ +public: + + ui_out_redirect_pop (ui_out *uiout) + : m_uiout (uiout) + { + } + + ~ui_out_redirect_pop () + { + m_uiout->redirect (NULL); + } + + ui_out_redirect_pop (const ui_out_redirect_pop &) = delete; + ui_out_redirect_pop &operator= (const ui_out_redirect_pop &) = delete; + +private: + struct ui_out *m_uiout; +}; + #endif /* UI_OUT_H */ diff --git a/gdb/utils.c b/gdb/utils.c index 583c1552c83..a7a97e25785 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -137,25 +137,6 @@ show_pagination_enabled (struct ui_file *file, int from_tty, because while they use the "cleanup API" they are not part of the "cleanup API". */ -/* Helper function for make_cleanup_ui_out_redirect_pop. */ - -static void -do_ui_out_redirect_pop (void *arg) -{ - struct ui_out *uiout = (struct ui_out *) arg; - - uiout->redirect (NULL); -} - -/* Return a new cleanup that pops the last redirection by ui_out_redirect - with NULL parameter. */ - -struct cleanup * -make_cleanup_ui_out_redirect_pop (struct ui_out *uiout) -{ - return make_cleanup (do_ui_out_redirect_pop, uiout); -} - static void do_free_section_addr_info (void *arg) { diff --git a/gdb/utils.h b/gdb/utils.h index 1c8b95cd2eb..6d33e8d00db 100644 --- a/gdb/utils.h +++ b/gdb/utils.h @@ -205,10 +205,6 @@ private: /* Cleanup utilities. */ -struct ui_out; -extern struct cleanup * - make_cleanup_ui_out_redirect_pop (struct ui_out *uiout); - struct section_addr_info; extern struct cleanup *(make_cleanup_free_section_addr_info (struct section_addr_info *)); -- 2.30.2