gdb/cli-out.h

   1 /* Output generating routines for GDB CLI.
   2    Copyright (C) 1999-2021 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 <vector>
  25
  26 class cli_ui_out : public ui_out
  27 {
  28 public:
  29
  30   explicit cli_ui_out (ui_file *stream, ui_out_flags flags);
  31   virtual ~cli_ui_out ();
  32
  33   ui_file *set_stream (ui_file *stream);
  34
  35   bool can_emit_style_escape () const override;
  36
  37 protected:
  38
  39   virtual void do_table_begin (int nbrofcols, int nr_rows,
  40                                const char *tblid) override;
  41   virtual void do_table_body () override;
  42   virtual void do_table_end () override;
  43   virtual void do_table_header (int width, ui_align align,
  44                                 const std::string &col_name,
  45                                 const std::string &col_hdr) override;
  46   /* Note: level 0 is the top-level so LEVEL is always greater than
  47      zero.  */
  48   virtual void do_begin (ui_out_type type, const char *id) override;
  49   virtual void do_end (ui_out_type type) override;
  50   virtual void do_field_signed (int fldno, int width, ui_align align,
  51                                 const char *fldname, LONGEST value) override;
  52   virtual void do_field_unsigned (int fldno, int width, ui_align align,
  53                                   const char *fldname, ULONGEST value)
  54     override;
  55   virtual void do_field_skip (int fldno, int width, ui_align align,
  56                               const char *fldname) override;
  57   virtual void do_field_string (int fldno, int width, ui_align align,
  58                                 const char *fldname,
  59                                 const char *string,
  60                                 const ui_file_style &style) override;
  61   virtual void do_field_fmt (int fldno, int width, ui_align align,
  62                              const char *fldname, const ui_file_style &style,
  63                              const char *format, va_list args)
  64     override ATTRIBUTE_PRINTF (7, 0);
  65   virtual void do_spaces (int numspaces) override;
  66   virtual void do_text (const char *string) override;
  67   virtual void do_message (const ui_file_style &style,
  68                            const char *format, va_list args) override
  69     ATTRIBUTE_PRINTF (3,0);
  70   virtual void do_wrap_hint (const char *identstring) override;
  71   virtual void do_flush () override;
  72   virtual void do_redirect (struct ui_file *outstream) override;
  73
  74   virtual void do_progress_start (const std::string &, bool) override;
  75   virtual void do_progress_notify (double) override;
  76   virtual void do_progress_end () override;
  77
  78   bool suppress_output ()
  79   { return m_suppress_output; }
  80
  81 private:
  82
  83   void field_separator ();
  84
  85   std::vector<ui_file *> m_streams;
  86   bool m_suppress_output;
  87
  88   /* Represents the printing state of a progress meter.  */
  89   enum meter_state
  90   {
  91     /* Printing will start with the next output.  */
  92     START,
  93     /* Printing has already started.  */
  94     WORKING,
  95     /* Progress printing has already started.  */
  96     PROGRESS,
  97     /* Printing should not be done.  */
  98     NO_PRINT
  99   };
 100
 101   /* The state of a recent progress meter.  */
 102   struct cli_progress_info
 103   {
 104     /* The current state.  */
 105     enum meter_state printing;
 106     /* The name to print.  */
 107     std::string name;
 108     /* The last notification value.  */
 109     double last_value;
 110   };
 111
 112   /* Stack of progress meters.  */
 113   std::vector<cli_progress_info> m_meters;
 114 };
 115
 116 extern cli_ui_out *cli_out_new (struct ui_file *stream);
 117
 118 extern void cli_display_match_list (char **matches, int len, int max);
 119
 120 #endif