[gnome-builder/wip/chergert/bug1: 28/29] debugger: fix some warnings

[Christian Hergert <chergert src gnome org>]

commit 05945947ef64fd9895a0a9aab569caaef097f26d
Author: Christian Hergert <chergert redhat com>
Date:   Sat Aug 26 23:34:55 2017 -0700

    debugger: fix some warnings

 libide/debugger/ide-debug-manager.c        |    9 ++++++++-
 libide/debugger/ide-debugger-perspective.c |    8 ++++++++
 2 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/libide/debugger/ide-debug-manager.c b/libide/debugger/ide-debug-manager.c
index 0c7eae9..adcd68a 100644
--- a/libide/debugger/ide-debug-manager.c
+++ b/libide/debugger/ide-debug-manager.c
@@ -140,7 +140,11 @@ ide_debug_manager_breakpoint_added (IdeDebugManager       *self,
   g_assert (IDE_IS_DEBUGGER_BREAKPOINT (breakpoint));
   g_assert (IDE_IS_DEBUGGER (debugger));
 
+  /* If there is no file, then there is nothing to cache */
   path = ide_debugger_breakpoint_get_file (breakpoint);
+  if (path == NULL)
+    return;
+
   file = g_file_new_for_path (path);
 
   breakpoints = g_hash_table_lookup (self->breakpoints, file);
@@ -173,8 +177,11 @@ ide_debug_manager_breakpoint_removed (IdeDebugManager       *self,
   g_assert (IDE_IS_DEBUGGER_BREAKPOINT (breakpoint));
   g_assert (IDE_IS_DEBUGGER (debugger));
 
-  line = ide_debugger_breakpoint_get_line (breakpoint);
   path = ide_debugger_breakpoint_get_file (breakpoint);
+  if (path == NULL)
+    return;
+
+  line = ide_debugger_breakpoint_get_line (breakpoint);
   file = g_file_new_for_path (path);
 
   breakpoints = g_hash_table_lookup (self->breakpoints, file);
diff --git a/libide/debugger/ide-debugger-perspective.c b/libide/debugger/ide-debugger-perspective.c
index 2aad091..f5f619b 100644
--- a/libide/debugger/ide-debugger-perspective.c
+++ b/libide/debugger/ide-debugger-perspective.c
@@ -425,6 +425,14 @@ ide_debugger_perspective_navigate_to_breakpoint (IdeDebuggerPerspective *self,
    */
 
   lookup.file = ide_debugger_breakpoint_get_file (breakpoint);
+
+  /* Some breakpoints require disassembly */
+  if (lookup.file == NULL)
+    {
+      /* TODO: disassemble frame and load source */
+      IDE_EXIT;
+    }
+
   g_return_if_fail (lookup.file != NULL);
 
   ide_layout_grid_foreach_view (self->layout_grid,