[gnome-builder/wip/chergert/bug1] debugger: allow reseting breakpoints

[Christian Hergert <chergert src gnome org>]

commit 19052900a298e677121bde0af526e26e0a81badb
Author: Christian Hergert <chergert redhat com>
Date:   Thu Aug 31 00:08:51 2017 -0700

    debugger: allow reseting breakpoints
    
    this is indented to reset the state that the debugger might need to
    be able to re-insret the breakpoint on the next debugger session.

 libide/debugger/ide-debugger-breakpoint.c |   47 +++++++++++++++++++++++++++++
 libide/debugger/ide-debugger-breakpoint.h |    2 +
 libide/debugger/ide-debugger-private.h    |    1 +
 3 files changed, 50 insertions(+), 0 deletions(-)
---
diff --git a/libide/debugger/ide-debugger-breakpoint.c b/libide/debugger/ide-debugger-breakpoint.c
index 27cbdbf..ae70113 100644
--- a/libide/debugger/ide-debugger-breakpoint.c
+++ b/libide/debugger/ide-debugger-breakpoint.c
@@ -55,9 +55,26 @@ enum {
   N_PROPS
 };
 
+enum {
+  RESET,
+  N_SIGNALS
+};
+
 G_DEFINE_TYPE_WITH_PRIVATE (IdeDebuggerBreakpoint, ide_debugger_breakpoint, G_TYPE_OBJECT)
 
 static GParamSpec *properties [N_PROPS];
+static guint signals [N_SIGNALS];
+
+static void
+ide_debugger_breakpoint_real_reset (IdeDebuggerBreakpoint *self)
+{
+  IdeDebuggerBreakpointPrivate *priv = ide_debugger_breakpoint_get_instance_private (self);
+
+  g_assert (IDE_IS_DEBUGGER_BREAKPOINT (self));
+
+  g_clear_pointer (&priv->id, g_free);
+  g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_ID]);
+}
 
 static void
 ide_debugger_breakpoint_finalize (GObject *object)
@@ -202,6 +219,8 @@ ide_debugger_breakpoint_class_init (IdeDebuggerBreakpointClass *klass)
   object_class->get_property = ide_debugger_breakpoint_get_property;
   object_class->set_property = ide_debugger_breakpoint_set_property;
 
+  klass->reset = ide_debugger_breakpoint_real_reset;
+
   /**
    * IdeDebuggerBreakpoint:address:
    *
@@ -381,6 +400,26 @@ ide_debugger_breakpoint_class_init (IdeDebuggerBreakpointClass *klass)
                          (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_properties (object_class, N_PROPS, properties);
+
+  /**
+   * IdeDebuggerBreakpoint::reset:
+   * @self: An #IdeDebuggerBreakpoint
+   *
+   * The "reset" signal is emitted after the debugger has exited so that the
+   * breakpoint can reset any internal state. This allows the breakpoint to be
+   * propagated to the next debugger instance, allowing the user to move
+   * between debugger sessions without loosing state.
+   *
+   * Since: 3.26
+   */
+  signals [RESET] =
+    g_signal_new ("reset",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (IdeDebuggerBreakpointClass, reset),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE, 0);
 }
 
 static void
@@ -907,3 +946,11 @@ ide_debugger_breakpoint_compare (IdeDebuggerBreakpoint *a,
 
   return g_strcmp0 (priv_a->id, priv_b->id);
 }
+
+void
+_ide_debugger_breakpoint_reset (IdeDebuggerBreakpoint *self)
+{
+  g_return_if_fail (IDE_IS_DEBUGGER_BREAKPOINT (self));
+
+  g_signal_emit (self, signals [RESET], 0);
+}
diff --git a/libide/debugger/ide-debugger-breakpoint.h b/libide/debugger/ide-debugger-breakpoint.h
index a79cb3a..1291ade 100644
--- a/libide/debugger/ide-debugger-breakpoint.h
+++ b/libide/debugger/ide-debugger-breakpoint.h
@@ -33,6 +33,8 @@ struct _IdeDebuggerBreakpointClass
 {
   GObjectClass parent_class;
 
+  void (*reset) (IdeDebuggerBreakpoint *self);
+
   gpointer _reserved1;
   gpointer _reserved2;
   gpointer _reserved3;
diff --git a/libide/debugger/ide-debugger-private.h b/libide/debugger/ide-debugger-private.h
index bc2a39b..4750ac1 100644
--- a/libide/debugger/ide-debugger-private.h
+++ b/libide/debugger/ide-debugger-private.h
@@ -28,6 +28,7 @@ void                    _ide_debug_manager_add_breakpoint           (IdeDebugMan
                                                                      IdeDebuggerBreakpoint          
*breakpoint);
 void                    _ide_debug_manager_remove_breakpoint        (IdeDebugManager                *self,
                                                                      IdeDebuggerBreakpoint          
*breakpoint);
+void                    _ide_debugger_breakpoint_reset              (IdeDebuggerBreakpoint          *self);
 void                    _ide_debugger_breakpoints_add               (IdeDebuggerBreakpoints         *self,
                                                                      IdeDebuggerBreakpoint          
*breakpoint);
 void                    _ide_debugger_breakpoints_remove            (IdeDebuggerBreakpoints         *self,