X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Futils.c;h=f7fae35729b7cfb4d4573b68616a174b1fba66c5;hb=7abb8d81115a2a748443f041e37cc13a70b34faa;hp=2fb7476a35ac14ec5a90d217daad94bb1f369371;hpb=cbe5657196d0d3acbeca39973f93f333ecedacda;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/utils.c b/gdb/utils.c index 2fb7476a35..f7fae35729 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -1,6 +1,6 @@ /* General utility routines for GDB, the GNU debugger. - Copyright (C) 1986-2018 Free Software Foundation, Inc. + Copyright (C) 1986-2019 Free Software Foundation, Inc. This file is part of GDB. @@ -19,7 +19,7 @@ #include "defs.h" #include -#include "gdb_wait.h" +#include "gdbsupport/gdb_wait.h" #include "event-top.h" #include "gdbthread.h" #include "fnmatch.h" @@ -62,23 +62,26 @@ #include -#include "gdb_usleep.h" #include "interps.h" #include "gdb_regex.h" -#include "job-control.h" -#include "common/selftest.h" -#include "common/gdb_optional.h" +#include "gdbsupport/job-control.h" +#include "gdbsupport/selftest.h" +#include "gdbsupport/gdb_optional.h" #include "cp-support.h" #include -#include "common/pathstuff.h" +#include "gdbsupport/pathstuff.h" #include "cli/cli-style.h" +#include "gdbsupport/scope-exit.h" +#include "gdbarch.h" +#include "cli-out.h" void (*deprecated_error_begin_hook) (void); /* Prototypes for local functions */ static void vfprintf_maybe_filtered (struct ui_file *, const char *, - va_list, int) ATTRIBUTE_PRINTF (2, 0); + va_list, bool, bool) + ATTRIBUTE_PRINTF (2, 0); static void fputs_maybe_filtered (const char *, struct ui_file *, int); @@ -97,13 +100,13 @@ static std::chrono::steady_clock::duration prompt_for_continue_wait_time; /* A flag indicating whether to timestamp debugging messages. */ -static int debug_timestamp = 0; +static bool debug_timestamp = false; -/* Nonzero means that strings with character values >0x7F should be printed - as octal escapes. Zero means just print the value (e.g. it's an +/* True means that strings with character values >0x7F should be printed + as octal escapes. False means just print the value (e.g. it's an international character, and the terminal or window can cope.) */ -int sevenbit_strings = 0; +bool sevenbit_strings = false; static void show_sevenbit_strings (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) @@ -117,7 +120,7 @@ show_sevenbit_strings (struct ui_file *file, int from_tty, const char *warning_pre_print = "\nwarning: "; -int pagination_enabled = 1; +bool pagination_enabled = true; static void show_pagination_enabled (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) @@ -126,35 +129,6 @@ show_pagination_enabled (struct ui_file *file, int from_tty, } -/* Cleanup utilities. - - These are not defined in cleanups.c (nor declared in cleanups.h) - because while they use the "cleanup API" they are not part of the - "cleanup API". */ - -/* This function is useful for cleanups. - Do - - foo = xmalloc (...); - old_chain = make_cleanup (free_current_contents, &foo); - - to arrange to free the object thus allocated. */ - -void -free_current_contents (void *ptr) -{ - void **location = (void **) ptr; - - if (location == NULL) - internal_error (__FILE__, __LINE__, - _("free_current_contents: NULL pointer")); - if (*location != NULL) - { - xfree (*location); - *location = NULL; - } -} - /* Print a warning message. The first argument STRING is the warning @@ -328,7 +302,7 @@ internal_vproblem (struct internal_problem *problem, /* Don't allow infinite error/warning recursion. */ { - static char msg[] = "Recursive internal problem.\n"; + static const char msg[] = "Recursive internal problem.\n"; switch (dejavu) { @@ -558,10 +532,10 @@ add_internal_problem_command (struct internal_problem *problem) if (problem->user_settable_should_quit) { set_doc = xstrprintf (_("Set whether GDB should quit " - "when an %s is detected"), + "when an %s is detected."), problem->name); show_doc = xstrprintf (_("Show whether GDB will quit " - "when an %s is detected"), + "when an %s is detected."), problem->name); add_setshow_enum_cmd ("quit", class_maintenance, internal_problem_modes, @@ -581,10 +555,10 @@ add_internal_problem_command (struct internal_problem *problem) if (problem->user_settable_should_dump_core) { set_doc = xstrprintf (_("Set whether GDB should create a core " - "file of GDB when %s is detected"), + "file of GDB when %s is detected."), problem->name); show_doc = xstrprintf (_("Show whether GDB will create a core " - "file of GDB when %s is detected"), + "file of GDB when %s is detected."), problem->name); add_setshow_enum_cmd ("corefile", class_maintenance, internal_problem_modes, @@ -608,9 +582,7 @@ add_internal_problem_command (struct internal_problem *problem) static std::string perror_string (const char *prefix) { - char *err; - - err = safe_strerror (errno); + const char *err = safe_strerror (errno); return std::string (prefix) + ": " + err; } @@ -656,19 +628,11 @@ perror_warning_with_name (const char *string) void print_sys_errmsg (const char *string, int errcode) { - char *err; - char *combined; - - err = safe_strerror (errcode); - combined = (char *) alloca (strlen (err) + strlen (string) + 3); - strcpy (combined, string); - strcat (combined, ": "); - strcat (combined, err); - + const char *err = safe_strerror (errcode); /* We want anything which was printed on stdout to come out first, before this message. */ gdb_flush (gdb_stdout); - fprintf_unfiltered (gdb_stderr, "%s.\n", combined); + fprintf_unfiltered (gdb_stderr, "%s: %s.\n", string, err); } /* Control C eventually causes this to be called, at a convenient time. */ @@ -706,9 +670,6 @@ maybe_quit (void) quit (); quit_handler (); - - if (deprecated_interactive_hook) - deprecated_interactive_hook (); } @@ -766,22 +727,6 @@ gdb_print_host_address_1 (const void *addr, struct ui_file *stream) fprintf_filtered (stream, "%s", host_address_to_string (addr)); } -/* See utils.h. */ - -char * -make_hex_string (const gdb_byte *data, size_t length) -{ - char *result = (char *) xmalloc (length * 2 + 1); - char *p; - size_t i; - - p = result; - for (i = 0; i < length; ++i) - p += xsnprintf (p, 3, "%02x", data[i]); - *p = '\0'; - return result; -} - /* An RAII class that sets up to handle input and then tears down @@ -889,7 +834,6 @@ defaulted_query (const char *ctlstr, const char defchar, va_list args) printf_filtered (_("(%s or %s) [answered %c; " "input not from terminal]\n"), y_string, n_string, def_answer); - gdb_flush (gdb_stdout); return def_value; } @@ -1282,6 +1226,9 @@ static const char *wrap_indent; /* Column number on the screen where wrap_buffer begins, or 0 if wrapping is not in effect. */ static int wrap_column; + +/* The style applied at the time that wrap_here was called. */ +static ui_file_style wrap_style; /* Initialize the number of lines per page and chars per line. */ @@ -1324,7 +1271,7 @@ init_page_info (void) || getenv ("EMACS") || getenv ("INSIDE_EMACS")) { /* The number of lines per page is not mentioned in the terminal - description or EMACS evironment variable is set. This probably + description or EMACS environment variable is set. This probably means that paging is not useful, so disable paging. */ lines_per_page = UINT_MAX; } @@ -1376,11 +1323,30 @@ set_screen_size (void) int rows = lines_per_page; int cols = chars_per_line; - if (rows <= 0) - rows = INT_MAX; + /* If we get 0 or negative ROWS or COLS, treat as "infinite" size. + A negative number can be seen here with the "set width/height" + commands and either: + + - the user specified "unlimited", which maps to UINT_MAX, or + - the user specified some number between INT_MAX and UINT_MAX. + + Cap "infinity" to approximately sqrt(INT_MAX) so that we don't + overflow in rl_set_screen_size, which multiplies rows and columns + to compute the number of characters on the screen. */ - if (cols <= 0) - cols = INT_MAX; + const int sqrt_int_max = INT_MAX >> (sizeof (int) * 8 / 2); + + if (rows <= 0 || rows > sqrt_int_max) + { + rows = sqrt_int_max; + lines_per_page = UINT_MAX; + } + + if (cols <= 0 || cols > sqrt_int_max) + { + cols = sqrt_int_max; + chars_per_line = UINT_MAX; + } /* Update Readline's idea of the terminal size. */ rl_set_screen_size (rows, cols); @@ -1427,21 +1393,19 @@ set_screen_width_and_height (int width, int height) static ui_file_style applied_style; -/* The currently desired style. This can differ from the applied - style when showing the pagination prompt. */ - -static ui_file_style desired_style; - -/* Emit an ANSI style escape for STYLE to the wrap buffer. */ +/* Emit an ANSI style escape for STYLE. If STREAM is nullptr, emit to + the wrap buffer; otherwise emit to STREAM. */ static void -emit_style_escape (const ui_file_style &style) +emit_style_escape (const ui_file_style &style, + struct ui_file *stream = nullptr) { - if (applied_style == style) - return; applied_style = style; - wrap_buffer.append (style.to_ansi ()); + if (stream == nullptr) + wrap_buffer.append (style.to_ansi ()); + else + fputs_unfiltered (style.to_ansi ().c_str (), stream); } /* Set the current output style. This will affect future uses of the @@ -1450,17 +1414,28 @@ emit_style_escape (const ui_file_style &style) static void set_output_style (struct ui_file *stream, const ui_file_style &style) { - if (stream != gdb_stdout - || !cli_styling - || style == desired_style - || !ui_file_isatty (stream)) - return; - const char *term = getenv ("TERM"); - if (term == nullptr || !strcmp (term, "dumb")) + if (!stream->can_emit_style_escape ()) return; - desired_style = style; - emit_style_escape (style); + /* Note that we may not pass STREAM here, when we want to emit to + the wrap buffer, not directly to STREAM. */ + if (stream == gdb_stdout) + stream = nullptr; + emit_style_escape (style, stream); +} + +/* See utils.h. */ + +void +reset_terminal_style (struct ui_file *stream) +{ + if (stream->can_emit_style_escape ()) + { + /* Force the setting, regardless of what we think the setting + might already be. */ + applied_style = ui_file_style (); + wrap_buffer.append (applied_style.to_ansi ()); + } } /* Wait, so the user can read what's on the screen. Prompt the user @@ -1479,7 +1454,8 @@ prompt_for_continue (void) bool disable_pagination = pagination_disabled_for_command; /* Clear the current styling. */ - emit_style_escape (ui_file_style ()); + if (gdb_stdout->can_emit_style_escape ()) + emit_style_escape (ui_file_style (), gdb_stdout); if (annotation_level > 1) printf_unfiltered (("\n\032\032pre-prompt-for-continue\n")); @@ -1525,9 +1501,6 @@ prompt_for_continue (void) reinitialize_more_filter (); pagination_disabled_for_command = disable_pagination; - /* Restore the current styling. */ - emit_style_escape (desired_style); - dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */ } @@ -1564,7 +1537,7 @@ reinitialize_more_filter (void) static void flush_wrap_buffer (struct ui_file *stream) { - if (!wrap_buffer.empty ()) + if (stream == gdb_stdout && !wrap_buffer.empty ()) { fputs_unfiltered (wrap_buffer.c_str (), stream); wrap_buffer.clear (); @@ -1619,6 +1592,7 @@ wrap_here (const char *indent) wrap_indent = ""; else wrap_indent = indent; + wrap_style = applied_style; } } @@ -1718,6 +1692,14 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, return; } + auto buffer_clearer + = make_scope_exit ([&] () + { + wrap_buffer.clear (); + wrap_column = 0; + wrap_indent = ""; + }); + /* Go through and output each character. Show line extension when this is necessary; prompt user for new page when this is necessary. */ @@ -1734,6 +1716,8 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, while (*lineptr && *lineptr != '\n') { + int skip_bytes; + /* Print a single line. */ if (*lineptr == '\t') { @@ -1744,6 +1728,14 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, chars_printed = ((chars_printed >> 3) + 1) << 3; lineptr++; } + else if (*lineptr == '\033' + && skip_ansi_escape (lineptr, &skip_bytes)) + { + wrap_buffer.append (lineptr, skip_bytes); + /* Note that we don't consider this a character, so we + don't increment chars_printed here. */ + lineptr += skip_bytes; + } else { wrap_buffer.push_back (*lineptr); @@ -1755,31 +1747,50 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, { unsigned int save_chars = chars_printed; + /* If we change the style, below, we'll want to reset it + before continuing to print. If there is no wrap + column, then we'll only reset the style if the pager + prompt is given; and to avoid emitting style + sequences in the middle of a run of text, we track + this as well. */ + ui_file_style save_style; + bool did_paginate = false; + chars_printed = 0; lines_printed++; - /* If we aren't actually wrapping, don't output newline -- - if chars_per_line is right, we probably just overflowed - anyway; if it's wrong, let us keep going. */ if (wrap_column) { - emit_style_escape (ui_file_style ()); - flush_wrap_buffer (stream); + save_style = wrap_style; + if (stream->can_emit_style_escape ()) + emit_style_escape (ui_file_style (), stream); + /* If we aren't actually wrapping, don't output + newline -- if chars_per_line is right, we + probably just overflowed anyway; if it's wrong, + let us keep going. */ fputc_unfiltered ('\n', stream); } + else + { + save_style = applied_style; + flush_wrap_buffer (stream); + } /* Possible new page. Note that PAGINATION_DISABLED_FOR_COMMAND might be set during this loop, so we must continue to check it here. */ if (lines_printed >= lines_per_page - 1 && !pagination_disabled_for_command) - prompt_for_continue (); + { + prompt_for_continue (); + did_paginate = true; + } /* Now output indentation and wrapped string. */ if (wrap_column) { fputs_unfiltered (wrap_indent, stream); - emit_style_escape (desired_style); - flush_wrap_buffer (stream); + if (stream->can_emit_style_escape ()) + emit_style_escape (save_style, stream); /* FIXME, this strlen is what prevents wrap_indent from containing tabs. However, if we recurse to print it and count its chars, we risk trouble if wrap_indent is @@ -1790,6 +1801,8 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, + (save_chars - wrap_column); wrap_column = 0; /* And disable fancy wrap */ } + else if (did_paginate && stream->can_emit_style_escape ()) + emit_style_escape (save_style, stream); } } @@ -1803,6 +1816,8 @@ fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream, lineptr++; } } + + buffer_clearer.release (); } void @@ -1817,9 +1832,70 @@ void fputs_styled (const char *linebuffer, const ui_file_style &style, struct ui_file *stream) { - set_output_style (stream, style); - fputs_maybe_filtered (linebuffer, stream, 1); - set_output_style (stream, ui_file_style ()); + /* This just makes it so we emit somewhat fewer escape + sequences. */ + if (style.is_default ()) + fputs_maybe_filtered (linebuffer, stream, 1); + else + { + set_output_style (stream, style); + fputs_maybe_filtered (linebuffer, stream, 1); + set_output_style (stream, ui_file_style ()); + } +} + +/* See utils.h. */ + +void +fputs_styled_unfiltered (const char *linebuffer, const ui_file_style &style, + struct ui_file *stream) +{ + /* This just makes it so we emit somewhat fewer escape + sequences. */ + if (style.is_default ()) + fputs_maybe_filtered (linebuffer, stream, 0); + else + { + set_output_style (stream, style); + fputs_maybe_filtered (linebuffer, stream, 0); + set_output_style (stream, ui_file_style ()); + } +} + +/* See utils.h. */ + +void +fputs_highlighted (const char *str, const compiled_regex &highlight, + struct ui_file *stream) +{ + regmatch_t pmatch; + + while (*str && highlight.exec (str, 1, &pmatch, 0) == 0) + { + size_t n_highlight = pmatch.rm_eo - pmatch.rm_so; + + /* Output the part before pmatch with current style. */ + while (pmatch.rm_so > 0) + { + fputc_filtered (*str, stream); + pmatch.rm_so--; + str++; + } + + /* Output pmatch with the highlight style. */ + set_output_style (stream, highlight_style.style ()); + while (n_highlight > 0) + { + fputc_filtered (*str, stream); + n_highlight--; + str++; + } + set_output_style (stream, ui_file_style ()); + } + + /* Output the trailing part of STR not matching HIGHLIGHT. */ + if (*str) + fputs_filtered (str, stream); } int @@ -1948,41 +2024,53 @@ puts_debug (char *prefix, char *string, char *suffix) /* Print a variable number of ARGS using format FORMAT. If this information is going to put the amount written (since the last call to REINITIALIZE_MORE_FILTER or the last page break) over the page size, - call prompt_for_continue to get the users permision to continue. + call prompt_for_continue to get the users permission to continue. Unlike fprintf, this function does not return a value. We implement three variants, vfprintf (takes a vararg list and stream), fprintf (takes a stream to write on), and printf (the usual). - Note also that a longjmp to top level may occur in this routine - (since prompt_for_continue may do so) so this routine should not be - called when cleanups are not in place. */ + Note also that this may throw a quit (since prompt_for_continue may + do so). */ static void vfprintf_maybe_filtered (struct ui_file *stream, const char *format, - va_list args, int filter) + va_list args, bool filter, bool gdbfmt) { - std::string linebuffer = string_vprintf (format, args); - fputs_maybe_filtered (linebuffer.c_str (), stream, filter); + if (gdbfmt) + { + ui_out_flags flags = disallow_ui_out_field; + if (!filter) + flags |= unfiltered_output; + cli_ui_out (stream, flags).vmessage (applied_style, format, args); + } + else + { + std::string str = string_vprintf (format, args); + fputs_maybe_filtered (str.c_str (), stream, filter); + } } void vfprintf_filtered (struct ui_file *stream, const char *format, va_list args) { - vfprintf_maybe_filtered (stream, format, args, 1); + vfprintf_maybe_filtered (stream, format, args, true, true); } void vfprintf_unfiltered (struct ui_file *stream, const char *format, va_list args) { - std::string linebuffer = string_vprintf (format, args); if (debug_timestamp && stream == gdb_stdlog) { using namespace std::chrono; int len, need_nl; + string_file sfile; + cli_ui_out (&sfile, 0).vmessage (ui_file_style (), format, args); + std::string linebuffer = std::move (sfile.string ()); + steady_clock::time_point now = steady_clock::now (); seconds s = duration_cast (now.time_since_epoch ()); microseconds us = duration_cast (now.time_since_epoch () - s); @@ -1998,13 +2086,13 @@ vfprintf_unfiltered (struct ui_file *stream, const char *format, va_list args) fputs_unfiltered (timestamp.c_str (), stream); } else - fputs_unfiltered (linebuffer.c_str (), stream); + vfprintf_maybe_filtered (stream, format, args, false, true); } void vprintf_filtered (const char *format, va_list args) { - vfprintf_maybe_filtered (gdb_stdout, format, args, 1); + vfprintf_maybe_filtered (gdb_stdout, format, args, true, false); } void @@ -2064,6 +2152,33 @@ fprintf_styled (struct ui_file *stream, const ui_file_style &style, set_output_style (stream, ui_file_style ()); } +/* See utils.h. */ + +void +vfprintf_styled (struct ui_file *stream, const ui_file_style &style, + const char *format, va_list args) +{ + set_output_style (stream, style); + vfprintf_filtered (stream, format, args); + set_output_style (stream, ui_file_style ()); +} + +/* See utils.h. */ + +void +vfprintf_styled_no_gdbfmt (struct ui_file *stream, const ui_file_style &style, + bool filter, const char *format, va_list args) +{ + std::string str = string_vprintf (format, args); + if (!str.empty ()) + { + if (!style.is_default ()) + set_output_style (stream, style); + fputs_maybe_filtered (str.c_str (), stream, filter); + if (!style.is_default ()) + set_output_style (stream, ui_file_style ()); + } +} void printf_filtered (const char *format, ...) @@ -2688,7 +2803,7 @@ subset_compare (const char *string_to_compare, const char *template_string) { int match; - if (template_string != (char *) NULL && string_to_compare != (char *) NULL + if (template_string != NULL && string_to_compare != NULL && strlen (string_to_compare) <= strlen (template_string)) match = (startswith (template_string, string_to_compare)); @@ -2706,57 +2821,6 @@ show_debug_timestamp (struct ui_file *file, int from_tty, } -void -initialize_utils (void) -{ - add_setshow_uinteger_cmd ("width", class_support, &chars_per_line, _("\ -Set number of characters where GDB should wrap lines of its output."), _("\ -Show number of characters where GDB should wrap lines of its output."), _("\ -This affects where GDB wraps its output to fit the screen width.\n\ -Setting this to \"unlimited\" or zero prevents GDB from wrapping its output."), - set_width_command, - show_chars_per_line, - &setlist, &showlist); - - add_setshow_uinteger_cmd ("height", class_support, &lines_per_page, _("\ -Set number of lines in a page for GDB output pagination."), _("\ -Show number of lines in a page for GDB output pagination."), _("\ -This affects the number of lines after which GDB will pause\n\ -its output and ask you whether to continue.\n\ -Setting this to \"unlimited\" or zero causes GDB never pause during output."), - set_height_command, - show_lines_per_page, - &setlist, &showlist); - - add_setshow_boolean_cmd ("pagination", class_support, - &pagination_enabled, _("\ -Set state of GDB output pagination."), _("\ -Show state of GDB output pagination."), _("\ -When pagination is ON, GDB pauses at end of each screenful of\n\ -its output and asks you whether to continue.\n\ -Turning pagination off is an alternative to \"set height unlimited\"."), - NULL, - show_pagination_enabled, - &setlist, &showlist); - - add_setshow_boolean_cmd ("sevenbit-strings", class_support, - &sevenbit_strings, _("\ -Set printing of 8-bit characters in strings as \\nnn."), _("\ -Show printing of 8-bit characters in strings as \\nnn."), NULL, - NULL, - show_sevenbit_strings, - &setprintlist, &showprintlist); - - add_setshow_boolean_cmd ("timestamp", class_maintenance, - &debug_timestamp, _("\ -Set timestamping of debugging messages."), _("\ -Show timestamping of debugging messages."), _("\ -When set, debugging messages will be marked with seconds and microseconds."), - NULL, - show_debug_timestamp, - &setdebuglist, &showdebuglist); -} - /* See utils.h. */ CORE_ADDR @@ -2976,14 +3040,6 @@ gdb_argv::reset (const char *s) m_argv = argv; } -int -compare_positive_ints (const void *ap, const void *bp) -{ - /* Because we know we're comparing two ints which are positive, - there's no danger of overflow here. */ - return * (int *) ap - * (int *) bp; -} - #define AMBIGUOUS_MESS1 ".\nMatching formats:" #define AMBIGUOUS_MESS2 \ ".\nUse \"set gnutarget format-name\" to specify the format." @@ -3032,24 +3088,7 @@ parse_pid_to_attach (const char *args) return pid; } -/* Helper for make_bpstat_clear_actions_cleanup. */ - -static void -do_bpstat_clear_actions_cleanup (void *unused) -{ - bpstat_clear_actions (); -} - -/* Call bpstat_clear_actions for the case an exception is throw. You should - discard_cleanups if no exception is caught. */ - -struct cleanup * -make_bpstat_clear_actions_cleanup (void) -{ - return make_cleanup (do_bpstat_clear_actions_cleanup, NULL); -} - -/* Substitute all occurences of string FROM by string TO in *STRINGP. *STRINGP +/* Substitute all occurrences of string FROM by string TO in *STRINGP. *STRINGP must come from xrealloc-compatible allocator and it may be updated. FROM needs to be delimited by IS_DIR_SEPARATOR or DIRNAME_SEPARATOR (or be located at the start or end of *STRINGP. */ @@ -3382,6 +3421,53 @@ copy_bitwise (gdb_byte *dest, ULONGEST dest_offset, void _initialize_utils (void) { + add_setshow_uinteger_cmd ("width", class_support, &chars_per_line, _("\ +Set number of characters where GDB should wrap lines of its output."), _("\ +Show number of characters where GDB should wrap lines of its output."), _("\ +This affects where GDB wraps its output to fit the screen width.\n\ +Setting this to \"unlimited\" or zero prevents GDB from wrapping its output."), + set_width_command, + show_chars_per_line, + &setlist, &showlist); + + add_setshow_uinteger_cmd ("height", class_support, &lines_per_page, _("\ +Set number of lines in a page for GDB output pagination."), _("\ +Show number of lines in a page for GDB output pagination."), _("\ +This affects the number of lines after which GDB will pause\n\ +its output and ask you whether to continue.\n\ +Setting this to \"unlimited\" or zero causes GDB never pause during output."), + set_height_command, + show_lines_per_page, + &setlist, &showlist); + + add_setshow_boolean_cmd ("pagination", class_support, + &pagination_enabled, _("\ +Set state of GDB output pagination."), _("\ +Show state of GDB output pagination."), _("\ +When pagination is ON, GDB pauses at end of each screenful of\n\ +its output and asks you whether to continue.\n\ +Turning pagination off is an alternative to \"set height unlimited\"."), + NULL, + show_pagination_enabled, + &setlist, &showlist); + + add_setshow_boolean_cmd ("sevenbit-strings", class_support, + &sevenbit_strings, _("\ +Set printing of 8-bit characters in strings as \\nnn."), _("\ +Show printing of 8-bit characters in strings as \\nnn."), NULL, + NULL, + show_sevenbit_strings, + &setprintlist, &showprintlist); + + add_setshow_boolean_cmd ("timestamp", class_maintenance, + &debug_timestamp, _("\ +Set timestamping of debugging messages."), _("\ +Show timestamping of debugging messages."), _("\ +When set, debugging messages will be marked with seconds and microseconds."), + NULL, + show_debug_timestamp, + &setdebuglist, &showdebuglist); + add_internal_problem_command (&internal_error_problem); add_internal_problem_command (&internal_warning_problem); add_internal_problem_command (&demangler_warning_problem);