+2021-05-27 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * breakpoint.h (iterate_over_breakpoints): Remove. Update
+ callers to use all_breakpoints or all_breakpoints_safe.
+ (breakpoint_range, all_breakpoints, breakpoint_safe_range,
+ all_breakpoints_safe): Move here.
+ * breakpoint.c (all_breakpoints, all_breakpoints_safe): Make
+ non-static.
+ (iterate_over_breakpoints): Remove.
+ * python/py-finishbreakpoint.c (bpfinishpy_detect_out_scope_cb):
+ Return void.
+ * python/py-breakpoint.c (build_bp_list): Add comment, reverse
+ return value logic.
+ * guile/scm-breakpoint.c (bpscm_build_bp_list): Return void.
+
2021-05-27 Simon Marchi <simon.marchi@polymtl.ca>
* breakpoint.c (get_first_locp_gte_addr): Remove.
static struct breakpoint *breakpoint_chain;
-/* Breakpoint linked list range. */
-
-using breakpoint_range = next_adapter<breakpoint, breakpoint_iterator>;
-
-/* Return a range to iterate over all breakpoints. */
+/* See breakpoint.h. */
-static breakpoint_range
+breakpoint_range
all_breakpoints ()
{
return breakpoint_range (breakpoint_chain);
}
-/* Breakpoint linked list range, safe against deletion of the current
- breakpoint while iterating. */
-
-using breakpoint_safe_range = basic_safe_range<breakpoint_range>;
-
-/* Return a range to iterate over all breakpoints. This range is safe against
- deletion of the current breakpoint while iterating. */
+/* See breakpoint.h. */
-static breakpoint_safe_range
+breakpoint_safe_range
all_breakpoints_safe ()
{
return breakpoint_safe_range (all_breakpoints ());
set_cmd_completer (command, completer);
}
-struct breakpoint *
-iterate_over_breakpoints (gdb::function_view<bool (breakpoint *)> callback)
-{
- for (breakpoint *b : all_breakpoints_safe ())
- if (callback (b))
- return b;
-
- return NULL;
-}
-
/* Zero if any of the breakpoint's locations could be a location where
functions have been inlined, nonzero otherwise. */
#include "gdbsupport/filtered-iterator.h"
#include "gdbsupport/function-view.h"
#include "gdbsupport/refcounted-object.h"
+#include "gdbsupport/safe-iterator.h"
#include "cli/cli-script.h"
struct block;
DISABLE_COPY_AND_ASSIGN (scoped_rbreak_breakpoints);
};
-/* Breakpoint iterator function.
-
- Calls a callback function once for each breakpoint, so long as the
- callback function returns false. If the callback function returns
- true, the iteration will end and the current breakpoint will be
- returned. This can be useful for implementing a search for a
- breakpoint with arbitrary attributes, or for applying an operation
- to every breakpoint. */
-extern struct breakpoint *iterate_over_breakpoints
- (gdb::function_view<bool (breakpoint *)>);
-
/* Breakpoint linked list iterator. */
using breakpoint_iterator = next_iterator<breakpoint>;
+/* Breakpoint linked list range. */
+
+using breakpoint_range = next_adapter<breakpoint, breakpoint_iterator>;
+
+/* Return a range to iterate over all breakpoints. */
+
+breakpoint_range all_breakpoints ();
+
+/* Breakpoint linked list range, safe against deletion of the current
+ breakpoint while iterating. */
+
+using breakpoint_safe_range = basic_safe_range<breakpoint_range>;
+
+/* Return a range to iterate over all breakpoints. This range is safe against
+ deletion of the current breakpoint while iterating. */
+
+breakpoint_safe_range all_breakpoints_safe ();
+
/* Breakpoint filter to only keep tracepoints. */
struct tracepoint_filter
restore_infcall_suspend_state (dummy->caller_state);
- iterate_over_breakpoints ([dummy] (breakpoint* bp)
- {
- return pop_dummy_frame_bpt (bp, dummy);
- });
+ for (breakpoint *bp : all_breakpoints_safe ())
+ if (pop_dummy_frame_bpt (bp, dummy))
+ break;
/* restore_infcall_control_state frees inf_state,
all that remains is to pop *dummy_ptr. */
/* iterate_over_breakpoints function for gdbscm_breakpoints. */
-static bool
+static void
bpscm_build_bp_list (struct breakpoint *bp, SCM *list)
{
breakpoint_smob *bp_smob = bp->scm_bp_object;
if (bp_smob != NULL)
*list = scm_cons (bp_smob->containing_scm, *list);
-
- return false;
}
/* (breakpoints) -> list
{
SCM list = SCM_EOL;
- iterate_over_breakpoints ([&] (breakpoint *bp)
- {
- return bpscm_build_bp_list(bp, &list);
- });
+ for (breakpoint *bp : all_breakpoints ())
+ bpscm_build_bp_list (bp, &list);
return scm_reverse_x (list, SCM_EOL);
}
return 0;
}
-\f
+/* Append to LIST the breakpoint Python object associated to B.
+
+ Return true on success. Return false on failure, with the Python error
+ indicator set. */
static bool
build_bp_list (struct breakpoint *b, PyObject *list)
{
PyObject *bp = (PyObject *) b->py_bp_object;
- int iserr = 0;
/* Not all breakpoints will have a companion Python object.
Only breakpoints that were created via bppy_new, or
breakpoints that were created externally and are tracked by
the Python Scripting API. */
- if (bp)
- iserr = PyList_Append (list, bp);
-
- if (iserr == -1)
+ if (bp == nullptr)
return true;
- return false;
+ return PyList_Append (list, bp) == 0;
}
/* Static function to return a tuple holding all breakpoints. */
if (list == NULL)
return NULL;
- /* If iterate_over_breakpoints returns non NULL it signals an error
- condition. In that case abandon building the list and return
- NULL. */
- auto callback = [&] (breakpoint *bp)
- {
- return build_bp_list(bp, list.get ());
- };
- if (iterate_over_breakpoints (callback) != NULL)
- return NULL;
+ /* If build_bp_list returns false, it signals an error condition. In that
+ case abandon building the list and return nullptr. */
+ for (breakpoint *bp : all_breakpoints ())
+ if (!build_bp_list (bp, list.get ()))
+ return nullptr;
return PyList_AsTuple (list.get ());
}
/* Callback for `bpfinishpy_detect_out_scope'. Triggers Python's
`B->out_of_scope' function if B is a FinishBreakpoint out of its scope. */
-static bool
+static void
bpfinishpy_detect_out_scope_cb (struct breakpoint *b,
struct breakpoint *bp_stopped)
{
}
}
}
-
- return 0;
}
/* Attached to `stop' notifications, check if the execution has run
{
gdbpy_enter enter_py (get_current_arch (), current_language);
- iterate_over_breakpoints ([&] (breakpoint *bp)
- {
- return bpfinishpy_detect_out_scope_cb
- (bp, bs == NULL ? NULL : bs->breakpoint_at);
- });
+ for (breakpoint *bp : all_breakpoints_safe ())
+ bpfinishpy_detect_out_scope_cb (bp, bs == NULL ? NULL : bs->breakpoint_at);
}
/* Attached to `exit' notifications, triggers all the necessary out of
{
gdbpy_enter enter_py (target_gdbarch (), current_language);
- iterate_over_breakpoints ([&] (breakpoint *bp)
- {
- return bpfinishpy_detect_out_scope_cb (bp, nullptr);
- });
+ for (breakpoint *bp : all_breakpoints_safe ())
+ bpfinishpy_detect_out_scope_cb (bp, nullptr);
}
/* Initialize the Python finish breakpoint code. */
static void
svr4_update_solib_event_breakpoints (void)
{
- iterate_over_breakpoints (svr4_update_solib_event_breakpoint);
+ for (breakpoint *bp : all_breakpoints_safe ())
+ svr4_update_solib_event_breakpoint (bp);
}
/* Create and register solib event breakpoints. PROBES is an array
do with it. Identify enable/disabled breakpoints as well as
those that we already hit. */
tui_bp_flags mode = 0;
- iterate_over_breakpoints ([&] (breakpoint *bp) -> bool
+ for (breakpoint *bp : all_breakpoints ())
{
if (bp == being_deleted)
return false;
}
}
return false;
- });
+ }
+
if (line->break_mode != mode)
{
line->break_mode = mode;