gdb/mi/mi-console.c

   1 /* MI Console code.
   2    Copyright (C) 2000, 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 2 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, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "defs.h"
  23 #include "mi-console.h"
  24 #include <string.h>
  25
  26 /* Convenience macro for allocting typesafe memory. */
  27
  28 #undef XMALLOC
  29 #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
  30
  31 /* MI-console: send output to std-out but correcty encapsulated */
  32
  33 static ui_file_fputs_ftype mi_console_file_fputs;
  34 static ui_file_flush_ftype mi_console_file_flush;
  35 static ui_file_delete_ftype mi_console_file_delete;
  36
  37 struct mi_console_file
  38   {
  39     int *magic;
  40     struct ui_file *raw;
  41     struct ui_file *buffer;
  42     const char *prefix;
  43   };
  44
  45 int mi_console_file_magic;
  46
  47 struct ui_file *
  48 mi_console_file_new (struct ui_file *raw,
  49                      const char *prefix)
  50 {
  51   struct ui_file *ui_file = ui_file_new ();
  52   struct mi_console_file *mi_console = XMALLOC (struct mi_console_file);
  53   mi_console->magic = &mi_console_file_magic;
  54   mi_console->raw = raw;
  55   mi_console->buffer = mem_fileopen ();
  56   mi_console->prefix = prefix;
  57   set_ui_file_fputs (ui_file, mi_console_file_fputs);
  58   set_ui_file_flush (ui_file, mi_console_file_flush);
  59   set_ui_file_data (ui_file, mi_console, mi_console_file_delete);
  60   return ui_file;
  61 }
  62
  63 static void
  64 mi_console_file_delete (struct ui_file *file)
  65 {
  66   struct mi_console_file *mi_console = ui_file_data (file);
  67   if (mi_console->magic != &mi_console_file_magic)
  68     internal_error ("mi_console_file_delete: bad magic number");
  69   free (mi_console);
  70 }
  71
  72 static void
  73 mi_console_file_fputs (const char *buf,
  74                        struct ui_file *file)
  75 {
  76   struct mi_console_file *mi_console = ui_file_data (file);
  77   if (mi_console->magic != &mi_console_file_magic)
  78     internal_error ("mi_console_file_fputs: bad magic number");
  79   /* Append the text to our internal buffer */
  80   fputs_unfiltered (buf, mi_console->buffer);
  81   /* Flush when an embedded \n */
  82   if (strchr (buf, '\n') != NULL)
  83     gdb_flush (file);
  84 }
  85
  86 /* Transform a byte sequence into a console output packet. */
  87 static void
  88 mi_console_raw_packet (void *data,
  89                        const char *buf,
  90                        long length_buf)
  91 {
  92   struct mi_console_file *mi_console = data;
  93   if (mi_console->magic != &mi_console_file_magic)
  94     internal_error ("mi_console_file_transform: bad magic number");
  95
  96   if (length_buf > 0)
  97     {
  98       fputs_unfiltered (mi_console->prefix, mi_console->raw);
  99       fputs_unfiltered ("\"", mi_console->raw);
 100       fputstrn_unfiltered (buf, length_buf, '"', mi_console->raw);
 101       fputs_unfiltered ("\"\n", mi_console->raw);
 102       gdb_flush (mi_console->raw);
 103     }
 104 }
 105
 106 static void
 107 mi_console_file_flush (struct ui_file *file)
 108 {
 109   struct mi_console_file *mi_console = ui_file_data (file);
 110   if (mi_console->magic != &mi_console_file_magic)
 111     internal_error ("mi_console_file_flush: bad magic number");
 112   ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console);
 113   ui_file_rewind (mi_console->buffer);
 114 }
 115
 116 /* Local variables: */
 117 /* change-log-default-name: "ChangeLog-mi" */
 118 /* End: */