2f2287318b
Add a progress meter. It's not used anywhere yet. gdb/ChangeLog: 2020-12-16 Tom Tromey <tom@tromey.com> Tom Tromey <tromey@redhat.com> Tom de Vries <tdevries@suse.de> * utils.h (get_chars_per_line): Declare. * utils.c (get_chars_per_line): New function. (fputs_maybe_filtered): Handle '\r'. * ui-out.h (ui_out::progress_meter): New class. (ui_out::progress, ui_out::do_progress_start) (ui_out::do_progress_notify, ui_out::do_progress_end): New methods. * ui-out.c (do_progress_end) (make_cleanup_ui_out_progress_begin_end, ui_out_progress): New functions. * mi/mi-out.h (mi_ui_out::do_progress_start) (mi_ui_out::do_progress_notify, mi_ui_out::do_progress_end): New methods. * cli-out.h (struct cli_ui_out) <do_progress_start, do_progress_notify, do_progress_end>: New methods. <enum meter_stat, struct cli_progress_info>: New. <m_meters>: New member. * cli-out.c (cli_ui_out::do_progress_start) (cli_ui_out::do_progress_notify, cli_ui_out::do_progress_end): New methods.
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/* Output generating routines for GDB CLI.
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Copyright (C) 1999-2020 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef CLI_OUT_H
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#define CLI_OUT_H
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#include "ui-out.h"
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#include <vector>
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class cli_ui_out : public ui_out
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{
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public:
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explicit cli_ui_out (ui_file *stream, ui_out_flags flags);
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virtual ~cli_ui_out ();
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ui_file *set_stream (ui_file *stream);
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bool can_emit_style_escape () const override;
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protected:
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virtual void do_table_begin (int nbrofcols, int nr_rows,
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const char *tblid) override;
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virtual void do_table_body () override;
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virtual void do_table_end () override;
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virtual void do_table_header (int width, ui_align align,
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const std::string &col_name,
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const std::string &col_hdr) override;
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/* Note: level 0 is the top-level so LEVEL is always greater than
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zero. */
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virtual void do_begin (ui_out_type type, const char *id) override;
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virtual void do_end (ui_out_type type) override;
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virtual void do_field_signed (int fldno, int width, ui_align align,
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const char *fldname, LONGEST value) override;
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virtual void do_field_unsigned (int fldno, int width, ui_align align,
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const char *fldname, ULONGEST value)
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override;
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virtual void do_field_skip (int fldno, int width, ui_align align,
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const char *fldname) override;
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virtual void do_field_string (int fldno, int width, ui_align align,
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const char *fldname,
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const char *string,
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const ui_file_style &style) override;
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virtual void do_field_fmt (int fldno, int width, ui_align align,
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const char *fldname, const ui_file_style &style,
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const char *format, va_list args)
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override ATTRIBUTE_PRINTF (7, 0);
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virtual void do_spaces (int numspaces) override;
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virtual void do_text (const char *string) override;
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virtual void do_message (const ui_file_style &style,
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const char *format, va_list args) override
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ATTRIBUTE_PRINTF (3,0);
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virtual void do_wrap_hint (const char *identstring) override;
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virtual void do_flush () override;
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virtual void do_redirect (struct ui_file *outstream) override;
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virtual void do_progress_start (const std::string &, bool) override;
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virtual void do_progress_notify (double) override;
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virtual void do_progress_end () override;
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bool suppress_output ()
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{ return m_suppress_output; }
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private:
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void field_separator ();
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std::vector<ui_file *> m_streams;
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bool m_suppress_output;
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/* Represents the printing state of a progress meter. */
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enum meter_state
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{
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/* Printing will start with the next output. */
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START,
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/* Printing has already started. */
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WORKING,
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/* Progress printing has already started. */
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PROGRESS,
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/* Printing should not be done. */
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NO_PRINT
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};
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/* The state of a recent progress meter. */
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struct cli_progress_info
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{
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/* The current state. */
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enum meter_state printing;
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/* The name to print. */
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std::string name;
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/* The last notification value. */
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double last_value;
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};
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/* Stack of progress meters. */
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std::vector<cli_progress_info> m_meters;
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};
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extern cli_ui_out *cli_out_new (struct ui_file *stream);
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extern void cli_display_match_list (char **matches, int len, int max);
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#endif
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