gdb/cli-out.h

   1 /* Output generating routines for GDB CLI.
   2    Copyright (C) 1999-2023 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 protected:
  39
  40   virtual void do_table_begin (int nbrofcols, int nr_rows,
  41                                const char *tblid) override;
  42   virtual void do_table_body () override;
  43   virtual void do_table_end () override;
  44   virtual void do_table_header (int width, ui_align align,
  45                                 const std::string &col_name,
  46                                 const std::string &col_hdr) override;
  47   /* Note: level 0 is the top-level so LEVEL is always greater than
  48      zero.  */
  49   virtual void do_begin (ui_out_type type, const char *id) override;
  50   virtual void do_end (ui_out_type type) override;
  51   virtual void do_field_signed (int fldno, int width, ui_align align,
  52                                 const char *fldname, LONGEST value) override;
  53   virtual void do_field_unsigned (int fldno, int width, ui_align align,
  54                                   const char *fldname, ULONGEST value)
  55     override;
  56   virtual void do_field_skip (int fldno, int width, ui_align align,
  57                               const char *fldname) override;
  58   virtual void do_field_string (int fldno, int width, ui_align align,
  59                                 const char *fldname,
  60                                 const char *string,
  61                                 const ui_file_style &style) override;
  62   virtual void do_field_fmt (int fldno, int width, ui_align align,
  63                              const char *fldname, const ui_file_style &style,
  64                              const char *format, va_list args)
  65     override ATTRIBUTE_PRINTF (7, 0);
  66   virtual void do_spaces (int numspaces) override;
  67   virtual void do_text (const char *string) override;
  68   virtual void do_message (const ui_file_style &style,
  69                            const char *format, va_list args) override
  70     ATTRIBUTE_PRINTF (3,0);
  71   virtual void do_wrap_hint (int indent) override;
  72   virtual void do_flush () override;
  73   virtual void do_redirect (struct ui_file *outstream) override;
  74
  75   virtual void do_progress_start () override;
  76   virtual void do_progress_notify (const std::string &, const char *,
  77                                    double, double) override;
  78   virtual void do_progress_end () override;
  79
  80   bool suppress_output ()
  81   { return m_suppress_output; }
  82
  83 private:
  84
  85   void field_separator ();
  86
  87   std::vector<ui_file *> m_streams;
  88   bool m_suppress_output;
  89
  90   /* The state of a recent progress update.  */
  91   struct cli_progress_info
  92   {
  93     /* Position of the progress indicator.  */
  94     int pos;
  95     /* The current state.  */
  96     progress_update::state state;
  97     /* Progress indicator's time of last update.  */
  98     std::chrono::steady_clock::time_point last_update;
  99
 100     cli_progress_info ()
 101       : pos (0), state (progress_update::START)
 102     {}
 103   };
 104
 105   /* Stack of progress info.  */
 106   std::vector<cli_progress_info> m_progress_info;
 107   void clear_progress_notify ();
 108 };
 109
 110 extern void cli_display_match_list (char **matches, int len, int max);
 111
 112 #endif