diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/NEWS | 8 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 56 |
4 files changed, 68 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f3537ea..b5d2431 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2015-12-08 Pierre-Marie de Rodat <derodat@adacore.com> + + * NEWS: Announce this enhancement and the corresponding new + option. + 2015-12-07 Pierre-Marie de Rodat <derodat@adacore.com> * ada-lang.c (print_signatures): New. @@ -28,6 +28,9 @@ and "maint info program-spaces" now list the corresponding items in ascending ID order, for consistency with all other "info" commands. +* In Ada, the overloads selection menu has been enhanced to display the + parameter types and the return types for the matching overloaded subprograms. + * New commands maint set target-non-stop (on|off|auto) @@ -52,6 +55,11 @@ set remote thread-events show remote thread-events Set/show the use of thread create/exit events. +set ada print-signatures on|off +show ada print-signatures" + Control whether parameter types and return types are displayed in overloads + selection menus. It is activaled (@code{on}) by default. + * The "disassemble" command accepts a new modifier: /s. It prints mixed source+disassembly like /m with two differences: - disassembled instructions are now printed in program order, and diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 2c58ffe..6f05e36 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-08 Pierre-Marie de Rodat <derodat@adacore.com> + + * gdb.texinfo (Ada Mode Into): Move overloading support + description to its own node. + (Overloading support for Ada): New node. + 2015-11-30 Pedro Alves <palves@redhat.com> PR 14618 diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index b82f3c6..9f72c52 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -15606,6 +15606,8 @@ to be difficult. in @value{GDBN}. * Omissions from Ada:: Restrictions on the Ada expression syntax. * Additions to Ada:: Extensions of the Ada expression syntax. +* Overloading support for Ada:: Support for expressions involving overloaded + subprograms. * Stopping Before Main Program:: Debugging the program during elaboration. * Ada Exceptions:: Ada Exceptions * Ada Tasks:: Listing and setting breakpoints in tasks. @@ -15653,13 +15655,6 @@ mostly for documenting command files. The standard @value{GDBN} comment (@samp{#}) still works at the beginning of a line in Ada mode, but not in the middle (to allow based literals). -The debugger supports limited overloading. Given a subprogram call in which -the function symbol has multiple definitions, it will use the number of -actual parameters and some information about their types to attempt to narrow -the set of definitions. It also makes very limited use of context, preferring -procedures to functions in the context of the @code{call} command, and -functions to procedures elsewhere. - @node Omissions from Ada @subsubsection Omissions from Ada @cindex Ada, omissions from @@ -15920,6 +15915,53 @@ object. @end itemize +@node Overloading support for Ada +@subsubsection Overloading support for Ada +@cindex overloading, Ada + +The debugger supports limited overloading. Given a subprogram call in which +the function symbol has multiple definitions, it will use the number of +actual parameters and some information about their types to attempt to narrow +the set of definitions. It also makes very limited use of context, preferring +procedures to functions in the context of the @code{call} command, and +functions to procedures elsewhere. + +If, after narrowing, the set of matching definitions still contains more than +one definition, @value{GDBN} will display a menu to query which one it should +use, for instance: + +@smallexample +(@value{GDBP}) print f(1) +Multiple matches for f +[0] cancel +[1] foo.f (integer) return boolean at foo.adb:23 +[2] foo.f (foo.new_integer) return boolean at foo.adb:28 +> +@end smallexample + +In this case, just select one menu entry either to cancel expression evaluation +(type @kbd{0} and press @key{RET}) or to continue evaluation with a specific +instance (type the corresponding number and press @key{RET}). + +Here are a couple of commands to customize @value{GDBN}'s behavior in this +case: + +@table @code + +@kindex set ada print-signatures +@item set ada print-signatures +Control whether parameter types and return types are displayed in overloads +selection menus. It is @code{on} by default. +@xref{Overloading support for Ada}. + +@kindex show ada print-signatures +@item show ada print-signatures +Show the current setting for displaying parameter types and return types in +overloads selection menu. +@xref{Overloading support for Ada}. + +@end table + @node Stopping Before Main Program @subsubsection Stopping at the Very Beginning |