X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fcli-out.c;h=e47272ad87c28242d0813833f98047e28c0ef06c;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=12a4f5ef9de627cdae6f11fb37e07283215a4a32;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/cli-out.c b/gdb/cli-out.c
index 12a4f5ef9d..e47272ad87 100644
--- a/gdb/cli-out.c
+++ b/gdb/cli-out.c
@@ -1,7 +1,6 @@
 /* Output generating routines for GDB CLI.
 
-   Copyright (C) 1999, 2000, 2002, 2003, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
    Contributed by Cygnus Solutions.
    Written by Fernando Nasser for Cygnus.
@@ -10,7 +9,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -19,216 +18,129 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "ui-out.h"
 #include "cli-out.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
-
-struct ui_out_data
-  {
-    struct ui_file *stream;
-    struct ui_file *original_stream;
-    int suppress_output;
-  };
-typedef struct ui_out_data cli_out_data;
+#include "completer.h"
+#include "readline/readline.h"
+#include "cli/cli-style.h"
 
 /* These are the CLI output functions */
 
-static void cli_table_begin (struct ui_out *uiout, int nbrofcols,
-			     int nr_rows, const char *tblid);
-static void cli_table_body (struct ui_out *uiout);
-static void cli_table_end (struct ui_out *uiout);
-static void cli_table_header (struct ui_out *uiout, int width,
-			      enum ui_align alig, const char *col_name,
-			      const char *colhdr);
-static void cli_begin (struct ui_out *uiout, enum ui_out_type type,
-		       int level, const char *lstid);
-static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level);
-static void cli_field_int (struct ui_out *uiout, int fldno, int width,
-			   enum ui_align alig, const char *fldname, int value);
-static void cli_field_skip (struct ui_out *uiout, int fldno, int width,
-			    enum ui_align alig, const char *fldname);
-static void cli_field_string (struct ui_out *uiout, int fldno, int width,
-			      enum ui_align alig, const char *fldname,
-			      const char *string);
-static void cli_field_fmt (struct ui_out *uiout, int fldno,
-			   int width, enum ui_align align,
-			   const char *fldname, const char *format,
-			   va_list args) ATTR_FORMAT (printf, 6, 0);
-static void cli_spaces (struct ui_out *uiout, int numspaces);
-static void cli_text (struct ui_out *uiout, const char *string);
-static void cli_message (struct ui_out *uiout, int verbosity,
-			 const char *format, va_list args)
-     ATTR_FORMAT (printf, 3, 0);
-static void cli_wrap_hint (struct ui_out *uiout, char *identstring);
-static void cli_flush (struct ui_out *uiout);
-static int cli_redirect (struct ui_out *uiout, struct ui_file *outstream);
-
-/* This is the CLI ui-out implementation functions vector */
-
-/* FIXME: This can be initialized dynamically after default is set to
-   handle initial output in main.c */
-
-static struct ui_out_impl cli_ui_out_impl =
-{
-  cli_table_begin,
-  cli_table_body,
-  cli_table_end,
-  cli_table_header,
-  cli_begin,
-  cli_end,
-  cli_field_int,
-  cli_field_skip,
-  cli_field_string,
-  cli_field_fmt,
-  cli_spaces,
-  cli_text,
-  cli_message,
-  cli_wrap_hint,
-  cli_flush,
-  cli_redirect,
-  0, /* Does not need MI hacks (i.e. needs CLI hacks).  */
-};
-
-/* Prototypes for local functions */
-
-extern void _initialize_cli_out (void);
-
-static void field_separator (void);
-
-static void out_field_fmt (struct ui_out *uiout, int fldno,
-			   const char *fldname,
-			   const char *format,...) ATTR_FORMAT (printf, 4, 5);
-
-/* local variables */
-
-/* (none yet) */
-
 /* Mark beginning of a table */
 
 void
-cli_table_begin (struct ui_out *uiout, int nbrofcols,
-		 int nr_rows,
-		 const char *tblid)
+cli_ui_out::do_table_begin (int nbrofcols, int nr_rows, const char *tblid)
 {
-  cli_out_data *data = ui_out_data (uiout);
   if (nr_rows == 0)
-    data->suppress_output = 1;
+    m_suppress_output = true;
   else
     /* Only the table suppresses the output and, fortunately, a table
        is not a recursive data structure.  */
-    gdb_assert (data->suppress_output == 0);
+    gdb_assert (!m_suppress_output);
 }
 
 /* Mark beginning of a table body */
 
 void
-cli_table_body (struct ui_out *uiout)
+cli_ui_out::do_table_body ()
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
+
   /* first, close the table header line */
-  cli_text (uiout, "\n");
+  text ("\n");
 }
 
 /* Mark end of a table */
 
 void
-cli_table_end (struct ui_out *uiout)
+cli_ui_out::do_table_end ()
 {
-  cli_out_data *data = ui_out_data (uiout);
-  data->suppress_output = 0;
+  m_suppress_output = false;
 }
 
 /* Specify table header */
 
 void
-cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
-		  const char *col_name,
-		  const char *colhdr)
+cli_ui_out::do_table_header (int width, ui_align alignment,
+			     const std::string &col_name,
+			     const std::string &col_hdr)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
-  cli_field_string (uiout, 0, width, alignment, 0, colhdr);
+
+  do_field_string (0, width, alignment, 0, col_hdr.c_str (),
+		   ui_file_style ());
 }
 
 /* Mark beginning of a list */
 
 void
-cli_begin (struct ui_out *uiout,
-	   enum ui_out_type type,
-	   int level,
-	   const char *id)
+cli_ui_out::do_begin (ui_out_type type, const char *id)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
-    return;
 }
 
 /* Mark end of a list */
 
 void
-cli_end (struct ui_out *uiout,
-	 enum ui_out_type type,
-	 int level)
+cli_ui_out::do_end (ui_out_type type)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
-    return;
 }
 
 /* output an int field */
 
 void
-cli_field_int (struct ui_out *uiout, int fldno, int width,
-	       enum ui_align alignment,
-	       const char *fldname, int value)
+cli_ui_out::do_field_signed (int fldno, int width, ui_align alignment,
+			     const char *fldname, LONGEST value)
 {
-  char buffer[20];		/* FIXME: how many chars long a %d can become? */
+  if (m_suppress_output)
+    return;
+
+  do_field_string (fldno, width, alignment, fldname, plongest (value),
+		   ui_file_style ());
+}
+
+/* output an unsigned field */
 
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+void
+cli_ui_out::do_field_unsigned (int fldno, int width, ui_align alignment,
+			       const char *fldname, ULONGEST value)
+{
+  if (m_suppress_output)
     return;
-  sprintf (buffer, "%d", value);
-  cli_field_string (uiout, fldno, width, alignment, fldname, buffer);
+
+  do_field_string (fldno, width, alignment, fldname, pulongest (value),
+		   ui_file_style ());
 }
 
-/* used to ommit a field */
+/* used to omit a field */
 
 void
-cli_field_skip (struct ui_out *uiout, int fldno, int width,
-		enum ui_align alignment,
-		const char *fldname)
+cli_ui_out::do_field_skip (int fldno, int width, ui_align alignment,
+			   const char *fldname)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
-  cli_field_string (uiout, fldno, width, alignment, fldname, "");
+
+  do_field_string (fldno, width, alignment, fldname, "",
+		   ui_file_style ());
 }
 
 /* other specific cli_field_* end up here so alignment and field
    separators are both handled by cli_field_string */
 
 void
-cli_field_string (struct ui_out *uiout,
-		  int fldno,
-		  int width,
-		  enum ui_align align,
-		  const char *fldname,
-		  const char *string)
+cli_ui_out::do_field_string (int fldno, int width, ui_align align,
+			     const char *fldname, const char *string,
+			     const ui_file_style &style)
 {
   int before = 0;
   int after = 0;
 
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
 
   if ((align != ui_noalign) && string)
@@ -255,153 +167,232 @@ cli_field_string (struct ui_out *uiout,
     }
 
   if (before)
-    ui_out_spaces (uiout, before);
+    spaces (before);
+
   if (string)
-    out_field_fmt (uiout, fldno, fldname, "%s", string);
+    {
+      if (test_flags (unfiltered_output))
+	fputs_styled_unfiltered (string, style, m_streams.back ());
+      else
+	fputs_styled (string, style, m_streams.back ());
+    }
+
   if (after)
-    ui_out_spaces (uiout, after);
+    spaces (after);
 
   if (align != ui_noalign)
     field_separator ();
 }
 
-/* This is the only field function that does not align.  */
+/* Output field containing ARGS using printf formatting in FORMAT.  */
 
 void
-cli_field_fmt (struct ui_out *uiout, int fldno,
-	       int width, enum ui_align align,
-	       const char *fldname,
-	       const char *format,
-	       va_list args)
+cli_ui_out::do_field_fmt (int fldno, int width, ui_align align,
+			  const char *fldname, const ui_file_style &style,
+			  const char *format, va_list args)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
 
-  vfprintf_filtered (data->stream, format, args);
+  std::string str = string_vprintf (format, args);
 
-  if (align != ui_noalign)
-    field_separator ();
+  do_field_string (fldno, width, align, fldname, str.c_str (), style);
 }
 
 void
-cli_spaces (struct ui_out *uiout, int numspaces)
+cli_ui_out::do_spaces (int numspaces)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
-  print_spaces_filtered (numspaces, data->stream);
+
+  if (test_flags (unfiltered_output))
+    print_spaces (numspaces, m_streams.back ());
+  else
+    print_spaces_filtered (numspaces, m_streams.back ());
 }
 
 void
-cli_text (struct ui_out *uiout, const char *string)
+cli_ui_out::do_text (const char *string)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
-  fputs_filtered (string, data->stream);
+
+  if (test_flags (unfiltered_output))
+    fputs_unfiltered (string, m_streams.back ());
+  else
+    fputs_filtered (string, m_streams.back ());
 }
 
 void
-cli_message (struct ui_out *uiout, int verbosity,
-	     const char *format, va_list args)
+cli_ui_out::do_message (const ui_file_style &style,
+			const char *format, va_list args)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
-  if (ui_out_get_verblvl (uiout) >= verbosity)
-    vfprintf_unfiltered (data->stream, format, args);
+
+  /* Use the "no_gdbfmt" variant here to avoid recursion.
+     vfprintf_styled calls into cli_ui_out::message to handle the
+     gdb-specific printf formats.  */
+  vfprintf_styled_no_gdbfmt (m_streams.back (), style,
+			     !test_flags (unfiltered_output), format, args);
 }
 
 void
-cli_wrap_hint (struct ui_out *uiout, char *identstring)
+cli_ui_out::do_wrap_hint (const char *identstring)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  if (data->suppress_output)
+  if (m_suppress_output)
     return;
+
   wrap_here (identstring);
 }
 
 void
-cli_flush (struct ui_out *uiout)
+cli_ui_out::do_flush ()
 {
-  cli_out_data *data = ui_out_data (uiout);
-  gdb_flush (data->stream);
+  gdb_flush (m_streams.back ());
 }
 
-int
-cli_redirect (struct ui_out *uiout, struct ui_file *outstream)
+/* OUTSTREAM as non-NULL will push OUTSTREAM on the stack of output streams
+   and make it therefore active.  OUTSTREAM as NULL will pop the last pushed
+   output stream; it is an internal error if it does not exist.  */
+
+void
+cli_ui_out::do_redirect (ui_file *outstream)
 {
-  struct ui_out_data *data = ui_out_data (uiout);
   if (outstream != NULL)
-    {
-      data->original_stream = data->stream;
-      data->stream = outstream;
-    }
-  else if (data->original_stream != NULL)
-    {
-      data->stream = data->original_stream;
-      data->original_stream = NULL;
-    }
-
-  return 0;
+    m_streams.push_back (outstream);
+  else
+    m_streams.pop_back ();
 }
 
 /* local functions */
 
-/* Like cli_field_fmt, but takes a variable number of args
-   and makes a va_list and does not insert a separator.  */
+void
+cli_ui_out::field_separator ()
+{
+  if (test_flags (unfiltered_output))
+    fputc_unfiltered (' ', m_streams.back ());
+  else
+    fputc_filtered (' ', m_streams.back ());
+}
+
+/* Constructor for cli_ui_out.  */
+
+cli_ui_out::cli_ui_out (ui_file *stream, ui_out_flags flags)
+: ui_out (flags),
+  m_suppress_output (false)
+{
+  gdb_assert (stream != NULL);
+
+  m_streams.push_back (stream);
+}
+
+cli_ui_out::~cli_ui_out ()
+{
+}
+
+/* Initialize private members at startup.  */
+
+cli_ui_out *
+cli_out_new (struct ui_file *stream)
+{
+  return new cli_ui_out (stream, ui_source_list);
+}
+
+ui_file *
+cli_ui_out::set_stream (struct ui_file *stream)
+{
+  ui_file *old;
+
+  old = m_streams.back ();
+  m_streams.back () = stream;
+
+  return old;
+}
+
+bool
+cli_ui_out::can_emit_style_escape () const
+{
+  return m_streams.back ()->can_emit_style_escape ();
+}
+
+/* CLI interface to display tab-completion matches.  */
+
+/* CLI version of displayer.crlf.  */
 
-/* VARARGS */
 static void
-out_field_fmt (struct ui_out *uiout, int fldno,
-	       const char *fldname,
-	       const char *format,...)
+cli_mld_crlf (const struct match_list_displayer *displayer)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  va_list args;
+  rl_crlf ();
+}
 
-  va_start (args, format);
-  vfprintf_filtered (data->stream, format, args);
+/* CLI version of displayer.putch.  */
 
-  va_end (args);
+static void
+cli_mld_putch (const struct match_list_displayer *displayer, int ch)
+{
+  putc (ch, rl_outstream);
 }
 
-/* Access to ui_out format private members.  */
+/* CLI version of displayer.puts.  */
 
 static void
-field_separator (void)
+cli_mld_puts (const struct match_list_displayer *displayer, const char *s)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  fputc_filtered (' ', data->stream);
+  fputs (s, rl_outstream);
 }
 
-/* Initalize private members at startup.  */
+/* CLI version of displayer.flush.  */
 
-struct ui_out *
-cli_out_new (struct ui_file *stream)
+static void
+cli_mld_flush (const struct match_list_displayer *displayer)
+{
+  fflush (rl_outstream);
+}
+
+EXTERN_C void _rl_erase_entire_line (void);
+
+/* CLI version of displayer.erase_entire_line.  */
+
+static void
+cli_mld_erase_entire_line (const struct match_list_displayer *displayer)
 {
-  int flags = ui_source_list;
+  _rl_erase_entire_line ();
+}
+
+/* CLI version of displayer.beep.  */
 
-  cli_out_data *data = XMALLOC (cli_out_data);
-  data->stream = stream;
-  data->original_stream = NULL;
-  data->suppress_output = 0;
-  return ui_out_new (&cli_ui_out_impl, data, flags);
+static void
+cli_mld_beep (const struct match_list_displayer *displayer)
+{
+  rl_ding ();
 }
 
-struct ui_file *
-cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream)
+/* CLI version of displayer.read_key.  */
+
+static int
+cli_mld_read_key (const struct match_list_displayer *displayer)
 {
-  cli_out_data *data = ui_out_data (uiout);
-  struct ui_file *old = data->stream;
-  data->stream = stream;
-  return old;
+  return rl_read_key ();
 }
 
-/* Standard gdb initialization hook.  */
+/* CLI version of rl_completion_display_matches_hook.
+   See gdb_display_match_list for a description of the arguments.  */
+
 void
-_initialize_cli_out (void)
+cli_display_match_list (char **matches, int len, int max)
 {
-  /* nothing needs to be done */
+  struct match_list_displayer displayer;
+
+  rl_get_screen_size (&displayer.height, &displayer.width);
+  displayer.crlf = cli_mld_crlf;
+  displayer.putch = cli_mld_putch;
+  displayer.puts = cli_mld_puts;
+  displayer.flush = cli_mld_flush;
+  displayer.erase_entire_line = cli_mld_erase_entire_line;
+  displayer.beep = cli_mld_beep;
+  displayer.read_key = cli_mld_read_key;
+
+  gdb_display_match_list (matches, len, max, &displayer);
+  rl_forced_update_display ();
 }