import gdb-2000-02-02 snapshot

1 files changed, 339 insertions, 0 deletions

diff --git a/gdb/cli-out.c b/gdb/cli-out.c
new file mode 100644
index 0000000..d906510
--- /dev/null
+++ b/gdb/cli-out.c
@@ -0,0 +1,339 @@
+/* Output generating routines for GDB CLI.
+   Copyright 1999-2000 Free Software Foundation, Inc.
+   Contributed by Cygnus Solutions.
+   Written by Fernando Nasser for Cygnus.
+
+   This file is part of GDB.
+
+   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
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "ui-out.h"
+#include "cli-out.h"
+
+/* Convenience macro for allocting typesafe memory. */
+
+#ifndef XMALLOC
+#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
+#endif
+
+struct ui_out_data
+  {
+    struct ui_file *stream;
+  };
+
+/* These are the CLI output functions */
+
+static void cli_table_begin (struct ui_out *uiout, int nbrofcols, 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, char *colhdr);
+static void cli_list_begin (struct ui_out *uiout, int list_flag, char *lstid);
+static void cli_list_end (struct ui_out *uiout, int list_flag);
+static void cli_field_int (struct ui_out *uiout, int fldno, int width,
+			   enum ui_align alig, char *fldname, int value);
+static void cli_field_skip (struct ui_out *uiout, int fldno, int width,
+			    enum ui_align alig, char *fldname);
+static void cli_field_string (struct ui_out *uiout, int fldno, int width,
+			   enum ui_align alig, char *fldname,
+			      const char *string);
+static void cli_field_fmt (struct ui_out *uiout, int fldno,
+			   int width, enum ui_align align,
+			   char *fldname, char *format, va_list args);
+static void cli_spaces (struct ui_out *uiout, int numspaces);
+static void cli_text (struct ui_out *uiout, char *string);
+static void cli_message (struct ui_out *uiout, int verbosity, char *format,
+			 va_list args);
+static void cli_wrap_hint (struct ui_out *uiout, char *identstring);
+static void cli_flush (struct ui_out *uiout);
+
+/* 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_list_begin,
+  cli_list_end,
+  cli_field_int,
+  cli_field_skip,
+  cli_field_string,
+  cli_field_fmt,
+  cli_spaces,
+  cli_text,
+  cli_message,
+  cli_wrap_hint,
+  cli_flush
+};
+
+/* Prototypes for local functions */
+
+extern void _initialize_cli_out PARAMS ((void));
+
+static void field_separator (void);
+
+static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
+			   char *format,...);
+
+/* local variables */
+
+/* (none yet) */
+
+/* Mark beginning of a table */
+
+void
+cli_table_begin (uiout, nbrofcols, tblid)
+     struct ui_out *uiout;
+     int nbrofcols;
+     char *tblid;
+{
+}
+
+/* Mark beginning of a table body */
+
+void
+cli_table_body (uiout)
+     struct ui_out *uiout;
+{
+  /* first, close the table header line */
+  cli_text (uiout, "\n");
+}
+
+/* Mark end of a table */
+
+void
+cli_table_end (uiout)
+     struct ui_out *uiout;
+{
+}
+
+/* Specify table header */
+
+void
+cli_table_header (uiout, width, alignment, colhdr)
+     struct ui_out *uiout;
+     int width;
+     int alignment;
+     char *colhdr;
+{
+  cli_field_string (uiout, 0, width, alignment, 0, colhdr);
+}
+
+/* Mark beginning of a list */
+
+void
+cli_list_begin (uiout, list_flag, lstid)
+     struct ui_out *uiout;
+     int list_flag;
+     char *lstid;
+{
+}
+
+/* Mark end of a list */
+
+void
+cli_list_end (uiout, list_flag)
+     struct ui_out *uiout;
+     int list_flag;
+{
+}
+
+/* output an int field */
+
+void
+cli_field_int (uiout, fldno, width, alignment, fldname, value)
+     struct ui_out *uiout;
+     int fldno;
+     int width;
+     int alignment;
+     char *fldname;
+     int value;
+{
+  char buffer[20];		/* FIXME: how many chars long a %d can become? */
+
+  sprintf (buffer, "%d", value);
+  cli_field_string (uiout, fldno, width, alignment, fldname, buffer);
+}
+
+/* used to ommit a field */
+
+void
+cli_field_skip (uiout, fldno, width, alignment, fldname)
+     struct ui_out *uiout;
+     int fldno;
+     int width;
+     int alignment;
+     char *fldname;
+{
+  cli_field_string (uiout, fldno, width, alignment, fldname, "");
+}
+
+/* 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,
+		  int align,
+		  char *fldname,
+		  const char *string)
+{
+  int before = 0;
+  int after = 0;
+
+  if ((align != ui_noalign) && string)
+    {
+      before = width - strlen (string);
+      if (before <= 0)
+	before = 0;
+      else
+	{
+	  if (align == ui_right)
+	    after = 0;
+	  else if (align == ui_left)
+	    {
+	      after = before;
+	      before = 0;
+	    }
+	  else
+	    /* ui_center */
+	    {
+	      after = before / 2;
+	      before -= after;
+	    }
+	}
+    }
+
+  if (before)
+    ui_out_spaces (uiout, before);
+  if (string)
+    out_field_fmt (uiout, fldno, fldname, "%s", string);
+  if (after)
+    ui_out_spaces (uiout, after);
+
+  if (align != ui_noalign)
+    field_separator ();
+}
+
+/* This is the only field function that does not align */
+
+void
+cli_field_fmt (struct ui_out *uiout, int fldno,
+	       int width, enum ui_align align,
+	       char *fldname, char *format, va_list args)
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  vfprintf_filtered (data->stream, format, args);
+
+  if (align != ui_noalign)
+    field_separator ();
+}
+
+void
+cli_spaces (uiout, numspaces)
+     struct ui_out *uiout;
+     int numspaces;
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  print_spaces_filtered (numspaces, data->stream);
+}
+
+void
+cli_text (uiout, string)
+     struct ui_out *uiout;
+     char *string;
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  fputs_filtered (string, data->stream);
+}
+
+void
+cli_message (struct ui_out *uiout, int verbosity, char *format, va_list args)
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  if (ui_out_get_verblvl (uiout) >= verbosity)
+    vfprintf_unfiltered (data->stream, format, args);
+}
+
+void
+cli_wrap_hint (uiout, identstring)
+     struct ui_out *uiout;
+     char *identstring;
+{
+  wrap_here (identstring);
+}
+
+void
+cli_flush (uiout)
+     struct ui_out *uiout;
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  gdb_flush (data->stream);
+}
+
+/* local functions */
+
+/* Like cli_field_fmt, but takes a variable number of args
+   and makes a va_list and does not insert a separator */
+
+/* VARARGS */
+static void
+out_field_fmt (struct ui_out *uiout, int fldno, char *fldname,
+	       char *format,...)
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  va_list args;
+
+  va_start (args, format);
+  vfprintf_filtered (data->stream, format, args);
+
+  va_end (args);
+}
+
+/* access to ui_out format private members */
+
+static void
+field_separator ()
+{
+  struct ui_out_data *data = ui_out_data (uiout);
+  fputc_filtered (' ', data->stream);
+}
+
+/* initalize private members at startup */
+
+struct ui_out *
+cli_out_new (struct ui_file *stream)
+{
+  int flags = ui_source_list;
+
+  struct ui_out_data *data = XMALLOC (struct ui_out_data);
+  data->stream = stream;
+  return ui_out_new (&cli_ui_out_impl, data, flags);
+}
+
+/* standard gdb initialization hook */
+void
+_initialize_cli_out ()
+{
+  /* nothing needs to be done */
+}