2006-10-08 Paul Brook <paul@codesourcery.com>

[binutils-gdb.git] / gdb / source.h

diff --git a/gdb/source.h b/gdb/source.h
index 8dbf85170563ded2208652154a0101d26c309212..d8f7f1c3d320022cf45ec3d77aeea331bd268339 100644 (file)
--- a/gdb/source.h
+++ b/gdb/source.h
@@ -1,5 +1,5 @@
 /* List lines of source files for GDB, the GNU debugger.
-   Copyright 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -15,20 +15,57 @@
 
    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.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #ifndef SOURCE_H
 #define SOURCE_H
 
+struct symtab;
+
 /* Open a source file given a symtab S.  Returns a file descriptor or
    negative number for error.  */
 extern int open_source_file (struct symtab *s);
 
+extern char* psymtab_to_fullname (struct partial_symtab *ps);
+extern char* symtab_to_fullname (struct symtab *s);
+
 /* Create and initialize the table S->line_charpos that records the
    positions of the lines in the source file, which is assumed to be
    open on descriptor DESC.  All set S->nlines to the number of such
    lines.  */
 extern void find_source_lines (struct symtab *s, int desc);
 
+/* Return the first line listed by print_source_lines.
+   Used by command interpreters to request listing from
+   a previous point. */
+extern int get_first_line_listed (void);
+
+/* Return the default number of lines to print with commands like the
+   cli "list".  The caller of print_source_lines must use this to
+   calculate the end line and use it in the call to print_source_lines
+   as it does not automatically use this value. */
+extern int get_lines_to_list (void);
+
+/* Return the current source file for listing and next line to list.
+   NOTE: The returned sal pc and end fields are not valid. */
+extern struct symtab_and_line get_current_source_symtab_and_line (void);
+
+/* If the current source file for listing is not set, try and get a default.
+   Usually called before get_current_source_symtab_and_line() is called.
+   It may err out if a default cannot be determined.
+   We must be cautious about where it is called, as it can recurse as the
+   process of determining a new default may call the caller!
+   Use get_current_source_symtab_and_line only to get whatever
+   we have without erroring out or trying to get a default. */
+extern void set_default_source_symtab_and_line (void);
+
+/* Return the current default file for listing and next line to list
+   (the returned sal pc and end fields are not valid.)
+   and set the current default to whatever is in SAL.
+   NOTE: The returned sal pc and end fields are not valid. */
+extern struct symtab_and_line set_current_source_symtab_and_line (const struct symtab_and_line *);
+
+/* Reset any information stored about a default file and line to print. */
+extern void clear_current_source_symtab_and_line (void);
 #endif