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Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 9915ea1..5cef05b 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -1,6 +1,6 @@ \input texinfo @c -*-texinfo-*- @c Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, -@c 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 +@c 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008 @c Free Software Foundation, Inc. @c @c %**start of header @@ -1531,6 +1531,44 @@ Expressions, ,C@t{++} Expressions}. You can use the command @code{set overload-resolution off} to disable overload resolution; see @ref{Debugging C Plus Plus, ,@value{GDBN} Features for C@t{++}}. +@cindex completion of structure field names +@cindex structure field name completion +@cindex completion of union field names +@cindex union field name completion +When completing in an expression which looks up a field in a +structure, @value{GDBN} also tries@footnote{The completer can be +confused by certain kinds of invalid expressions. Also, it only +examines the static type of the expression, not the dynamic type.} to +limit completions to the field names available in the type of the +left-hand-side: + +@smallexample +(@value{GDBP}) p gdb_stdout.@kbd{M-?} +magic to_delete to_fputs to_put to_rewind +to_data to_flush to_isatty to_read to_write +@end smallexample + +@noindent +This is because the @code{gdb_stdout} is a variable of the type +@code{struct ui_file} that is defined in @value{GDBN} sources as +follows: + +@smallexample +struct ui_file +@{ + int *magic; + ui_file_flush_ftype *to_flush; + ui_file_write_ftype *to_write; + ui_file_fputs_ftype *to_fputs; + ui_file_read_ftype *to_read; + ui_file_delete_ftype *to_delete; + ui_file_isatty_ftype *to_isatty; + ui_file_rewind_ftype *to_rewind; + ui_file_put_ftype *to_put; + void *to_data; +@} +@end smallexample + @node Help @section Getting Help |