gdb/cli-out.h

   1 /* Output generating routines for GDB CLI.
   2    Copyright (C) 1999-2024 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef CLI_OUT_H
  21 #define CLI_OUT_H
  22
  23 #include "ui-out.h"
  24 #include <chrono>
  25 #include <vector>
  26
  27 class cli_ui_out : public ui_out
  28 {
  29 public:
  30
  31   explicit cli_ui_out (ui_file *stream, ui_out_flags flags = ui_source_list);
  32   virtual ~cli_ui_out ();
  33
  34   ui_file *set_stream (ui_file *stream);
  35
  36   bool can_emit_style_escape () const override;
  37
  38   ui_file *current_stream () const override
  39   { return m_streams.back (); }
  40
  41 protected:
  42
  43   virtual void do_table_begin (int nbrofcols, int nr_rows,
  44                                const char *tblid) override;
  45   virtual void do_table_body () override;
  46   virtual void do_table_end () override;
  47   virtual void do_table_header (int width, ui_align align,
  48                                 const std::string &col_name,
  49                                 const std::string &col_hdr) override;
  50   /* Note: level 0 is the top-level so LEVEL is always greater than
  51      zero.  */
  52   virtual void do_begin (ui_out_type type, const char *id) override;
  53   virtual void do_end (ui_out_type type) override;
  54   virtual void do_field_signed (int fldno, int width, ui_align align,
  55                                 const char *fldname, LONGEST value) override;
  56   virtual void do_field_unsigned (int fldno, int width, ui_align align,
  57                                   const char *fldname, ULONGEST value)
  58     override;
  59   virtual void do_field_skip (int fldno, int width, ui_align align,
  60                               const char *fldname) override;
  61   virtual void do_field_string (int fldno, int width, ui_align align,
  62                                 const char *fldname,
  63                                 const char *string,
  64                                 const ui_file_style &style) override;
  65   virtual void do_field_fmt (int fldno, int width, ui_align align,
  66                              const char *fldname, const ui_file_style &style,
  67                              const char *format, va_list args)
  68     override ATTRIBUTE_PRINTF (7, 0);
  69   virtual void do_spaces (int numspaces) override;
  70   virtual void do_text (const char *string) override;
  71   virtual void do_message (const ui_file_style &style,
  72                            const char *format, va_list args) override
  73     ATTRIBUTE_PRINTF (3,0);
  74   virtual void do_wrap_hint (int indent) override;
  75   virtual void do_flush () override;
  76   virtual void do_redirect (struct ui_file *outstream) override;
  77
  78   virtual void do_progress_start () override;
  79   virtual void do_progress_notify (const std::string &, const char *,
  80                                    double, double) override;
  81   virtual void do_progress_end () override;
  82
  83   bool suppress_output ()
  84   { return m_suppress_output; }
  85
  86 private:
  87
  88   void field_separator ();
  89
  90   std::vector<ui_file *> m_streams;
  91   bool m_suppress_output;
  92
  93   /* The state of a recent progress update.  */
  94   struct cli_progress_info
  95   {
  96     /* Position of the progress indicator.  */
  97     int pos;
  98     /* The current state.  */
  99     progress_update::state state;
 100     /* Progress indicator's time of last update.  */
 101     std::chrono::steady_clock::time_point last_update;
 102
 103     cli_progress_info ()
 104       : pos (0), state (progress_update::START)
 105     {}
 106   };
 107
 108   /* Stack of progress info.  */
 109   std::vector<cli_progress_info> m_progress_info;
 110   void clear_progress_notify ();
 111 };
 112
 113 extern void cli_display_match_list (char **matches, int len, int max);
 114
 115 #endif