diff options
| -rw-r--r-- | gdb/ChangeLog | 19 | ||||
| -rw-r--r-- | gdb/defs.h | 8 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 10 | ||||
| -rw-r--r-- | gdb/gdbcmd.h | 1 | ||||
| -rw-r--r-- | gdb/python/python.c | 47 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/python.exp | 23 | ||||
| -rw-r--r-- | gdb/top.c | 33 | ||||
| -rw-r--r-- | gdb/utils.c | 82 |
10 files changed, 189 insertions, 47 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c36d5405a5c..966b3da7e95 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,22 @@ +2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + * defs.h (make_cleanup_restore_uinteger, make_cleanup_restore_ui_file) + (make_cleanup_restore_page_info) + (set_batch_flag_and_make_cleanup_restore_page_info): New declarations. + * gdbcmd.h (execute_command_to_string): New declaration. + * python/python.c (struct restore_ui_file_closure, restore_ui_file) + (make_cleanup_restore_ui_file): Move to utils.c + (execute_gdb_command) <to_string>: Move ... + * top.c (execute_command_to_string): ... here. Call + set_batch_flag_and_make_cleanup_restore_page_info. + * utils.c (make_cleanup_restore_integer): New source file blank line. + (make_cleanup_restore_uinteger): New. + (struct restore_ui_file_closure, do_restore_ui_file) + (make_cleanup_restore_ui_file): Move here from python/python.c. + (init_page_info) <batch_flag> + (do_restore_page_info_cleanup, make_cleanup_restore_page_info) + (set_batch_flag_and_make_cleanup_restore_page_info): New. + 2010-08-06 Maciej W. Rozycki <macro@codesourcery.com> * thread.c (add_thread_silent): Use null_ptid instead of diff --git a/gdb/defs.h b/gdb/defs.h index c568a125d73..c7a5215e2fa 100644 --- a/gdb/defs.h +++ b/gdb/defs.h @@ -351,10 +351,14 @@ struct obstack; extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack); extern struct cleanup *make_cleanup_restore_integer (int *variable); +extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable); struct target_ops; extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops); +extern struct cleanup * + make_cleanup_restore_ui_file (struct ui_file **variable); + extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *); extern struct cleanup *make_my_cleanup (struct cleanup **, @@ -386,6 +390,10 @@ extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2); extern void init_page_info (void); +extern struct cleanup *make_cleanup_restore_page_info (void); +extern struct cleanup * + set_batch_flag_and_make_cleanup_restore_page_info (void); + extern char *gdb_realpath (const char *); extern char *xfullpath (const char *); diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index f0f515ca883..38b338bd18a 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,9 @@ +2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com> + Eli Zaretskii <eliz@gnu.org> + + * gdb.texinfo (Mode Options) <-batch> + (Basic Python) <gdb.execute>: Describe setting width and height. + 2010-07-31 Paul Pluzhnikov <ppluzhnikov@google.com> * gdb.texinfo (Threads): Document 'debug libthread-db'. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 03b59a3ee07..867c06c9c21 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -1031,9 +1031,9 @@ Run in batch mode. Exit with status @code{0} after processing all the command files specified with @samp{-x} (and all commands from initialization files, if not inhibited with @samp{-n}). Exit with nonzero status if an error occurs in executing the @value{GDBN} commands -in the command files. Batch mode also disables pagination; -@pxref{Screen Size} and acts as if @kbd{set confirm off} were in -effect (@pxref{Messages/Warnings}). +in the command files. Batch mode also disables pagination, sets unlimited +terminal width and height @pxref{Screen Size}, and acts as if @kbd{set confirm +off} were in effect (@pxref{Messages/Warnings}). Batch mode may be useful for running @value{GDBN} as a filter, for example to download and run a program on another computer; in order to @@ -20484,7 +20484,9 @@ By default, any output produced by @var{command} is sent to @value{GDBN}'s standard output. If the @var{to_string} parameter is @code{True}, then output will be collected by @code{gdb.execute} and returned as a string. The default is @code{False}, in which case the -return value is @code{None}. +return value is @code{None}. If @var{to_string} is @code{True}, the +@value{GDBN} virtual terminal will be temporarily set to unlimited width +and height, and its pagination will be disabled; @pxref{Screen Size}. @end defun @findex gdb.breakpoints diff --git a/gdb/gdbcmd.h b/gdb/gdbcmd.h index d87a813c1f5..da116868e80 100644 --- a/gdb/gdbcmd.h +++ b/gdb/gdbcmd.h @@ -129,6 +129,7 @@ extern struct cmd_list_element *showchecklist; extern struct cmd_list_element *save_cmdlist; extern void execute_command (char *, int); +extern char *execute_command_to_string (char *p, int from_tty); enum command_control_type execute_control_command (struct command_line *); diff --git a/gdb/python/python.c b/gdb/python/python.c index 6680126dbc5..7346fbaaeff 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -309,33 +309,6 @@ gdbpy_target_wide_charset (PyObject *self, PyObject *args) return PyUnicode_Decode (cset, strlen (cset), host_charset (), NULL); } -struct restore_ui_file_closure -{ - struct ui_file **variable; - struct ui_file *value; -}; - -static void -restore_ui_file (void *p) -{ - struct restore_ui_file_closure *closure = p; - - *(closure->variable) = closure->value; -} - -/* Remember the current value of *VARIABLE and make it restored when - the cleanup is run. */ -struct cleanup * -make_cleanup_restore_ui_file (struct ui_file **variable) -{ - struct restore_ui_file_closure *c = XNEW (struct restore_ui_file_closure); - - c->variable = variable; - c->value = *variable; - - return make_cleanup_dtor (restore_ui_file, (void *) c, xfree); -} - /* A Python function which evaluates a string using the gdb CLI. */ static PyObject * @@ -376,27 +349,15 @@ execute_gdb_command (PyObject *self, PyObject *args, PyObject *kw) /* Copy the argument text in case the command modifies it. */ char *copy = xstrdup (arg); struct cleanup *cleanup = make_cleanup (xfree, copy); - struct ui_file *str_file = NULL; if (to_string) + result = execute_command_to_string (copy, from_tty); + else { - str_file = mem_fileopen (); - - make_cleanup_restore_ui_file (&gdb_stdout); - make_cleanup_restore_ui_file (&gdb_stderr); - make_cleanup_ui_file_delete (str_file); - - gdb_stdout = str_file; - gdb_stderr = str_file; + result = NULL; + execute_command (copy, from_tty); } - execute_command (copy, from_tty); - - if (str_file) - result = ui_file_xstrdup (str_file, NULL); - else - result = NULL; - do_cleanups (cleanup); } GDB_PY_HANDLE_EXCEPTION (except); diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index a2914f754c6..71680bce7a3 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2010-08-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + * gdb.python/python.exp (show height, set height 10) + (verify pagination beforehand, verify pagination beforehand: q) + (gdb.execute does not page, verify pagination afterwards) + (verify pagination afterwards: q): New. + 2010-08-02 Doug Evans <dje@google.com> * gdb.cp/namespace.exp: When "print ::cOtherFileClassVar" fails diff --git a/gdb/testsuite/gdb.python/python.exp b/gdb/testsuite/gdb.python/python.exp index d0e6c63fd21..7aef888b5b5 100644 --- a/gdb/testsuite/gdb.python/python.exp +++ b/gdb/testsuite/gdb.python/python.exp @@ -87,3 +87,26 @@ gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/li gdb_test_no_output \ "python x = gdb.execute('printf \"%d\", 23', to_string = True)" gdb_test "python print x" "23" + +# Test (no) pagination of the executed command. +gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.} +set lines 10 +gdb_test_no_output "set height $lines" + +set test "verify pagination beforehand" +gdb_test_multiple "python print \"\\n\" * $lines" $test { + -re "---Type <return> to continue, or q <return> to quit---$" { + pass $test + } +} +gdb_test "q" "Quit" "verify pagination beforehand: q" + +gdb_test "python if gdb.execute('python print \"\\\\n\" * $lines', to_string=True) == \"\\n\" * [expr $lines + 1]: print \"yes\"" "yes" "gdb.execute does not page" + +set test "verify pagination afterwards" +gdb_test_multiple "python print \"\\n\" * $lines" $test { + -re "---Type <return> to continue, or q <return> to quit---$" { + pass $test + } +} +gdb_test "q" "Quit" "verify pagination afterwards: q" diff --git a/gdb/top.c b/gdb/top.c index 81a2b351861..b29e68dcc93 100644 --- a/gdb/top.c +++ b/gdb/top.c @@ -458,6 +458,39 @@ execute_command (char *p, int from_tty) } } +/* Run execute_command for P and FROM_TTY. Capture its output into the + returned string, do not display it to the screen. BATCH_FLAG will be + temporarily set to true. */ + +char * +execute_command_to_string (char *p, int from_tty) +{ + struct ui_file *str_file; + struct cleanup *cleanup; + char *retval; + + /* GDB_STDOUT should be better already restored during these + restoration callbacks. */ + cleanup = set_batch_flag_and_make_cleanup_restore_page_info (); + + str_file = mem_fileopen (); + + make_cleanup_restore_ui_file (&gdb_stdout); + make_cleanup_restore_ui_file (&gdb_stderr); + make_cleanup_ui_file_delete (str_file); + + gdb_stdout = str_file; + gdb_stderr = str_file; + + execute_command (p, from_tty); + + retval = ui_file_xstrdup (str_file, NULL); + + do_cleanups (cleanup); + + return retval; +} + /* Read commands from `instream' and execute them until end of file or error reading instream. */ diff --git a/gdb/utils.c b/gdb/utils.c index 0c51dbc2950..6b1f4ba0ac2 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -339,6 +339,7 @@ restore_integer (void *p) /* Remember the current value of *VARIABLE and make it restored when the cleanup is run. */ + struct cleanup * make_cleanup_restore_integer (int *variable) { @@ -352,6 +353,15 @@ make_cleanup_restore_integer (int *variable) xfree); } +/* Remember the current value of *VARIABLE and make it restored when the cleanup + is run. */ + +struct cleanup * +make_cleanup_restore_uinteger (unsigned int *variable) +{ + return make_cleanup_restore_integer ((int *) variable); +} + /* Helper for make_cleanup_unpush_target. */ static void @@ -370,6 +380,34 @@ make_cleanup_unpush_target (struct target_ops *ops) return make_my_cleanup (&cleanup_chain, do_unpush_target, ops); } +struct restore_ui_file_closure +{ + struct ui_file **variable; + struct ui_file *value; +}; + +static void +do_restore_ui_file (void *p) +{ + struct restore_ui_file_closure *closure = p; + + *(closure->variable) = closure->value; +} + +/* Remember the current value of *VARIABLE and make it restored when + the cleanup is run. */ + +struct cleanup * +make_cleanup_restore_ui_file (struct ui_file **variable) +{ + struct restore_ui_file_closure *c = XNEW (struct restore_ui_file_closure); + + c->variable = variable; + c->value = *variable; + + return make_cleanup_dtor (do_restore_ui_file, (void *) c, xfree); +} + struct cleanup * make_my_cleanup2 (struct cleanup **pmy_chain, make_cleanup_ftype *function, void *arg, void (*free_arg) (void *)) @@ -2052,6 +2090,12 @@ static int wrap_column; void init_page_info (void) { + if (batch_flag) + { + lines_per_page = UINT_MAX; + chars_per_line = UINT_MAX; + } + else #if defined(TUI) if (!tui_get_command_dimension (&chars_per_line, &lines_per_page)) #endif @@ -2096,6 +2140,44 @@ init_page_info (void) set_width (); } +/* Helper for make_cleanup_restore_page_info. */ + +static void +do_restore_page_info_cleanup (void *arg) +{ + set_screen_size (); + set_width (); +} + +/* Provide cleanup for restoring the terminal size. */ + +struct cleanup * +make_cleanup_restore_page_info (void) +{ + struct cleanup *back_to; + + back_to = make_cleanup (do_restore_page_info_cleanup, NULL); + make_cleanup_restore_uinteger (&lines_per_page); + make_cleanup_restore_uinteger (&chars_per_line); + + return back_to; +} + +/* Temporarily set BATCH_FLAG and the associated unlimited terminal size. + Provide cleanup for restoring the original state. */ + +struct cleanup * +set_batch_flag_and_make_cleanup_restore_page_info (void) +{ + struct cleanup *back_to = make_cleanup_restore_page_info (); + + make_cleanup_restore_integer (&batch_flag); + batch_flag = 1; + init_page_info (); + + return back_to; +} + /* Set the screen size based on LINES_PER_PAGE and CHARS_PER_LINE. */ static void |