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-rw-r--r--libcpp/line-map.cc11
1 files changed, 11 insertions, 0 deletions
diff --git a/libcpp/line-map.cc b/libcpp/line-map.cc
index 284af57..33701b5 100644
--- a/libcpp/line-map.cc
+++ b/libcpp/line-map.cc
@@ -767,6 +767,17 @@ linemap_module_restore (line_maps *set, line_map_uint_t lwm)
return 0;
}
+/* TRUE iff the location comes from a module import. */
+
+bool
+linemap_location_from_module_p (const line_maps *set, location_t loc)
+{
+ const line_map_ordinary *map = linemap_ordinary_map_lookup (set, loc);
+ while (map && map->reason != LC_MODULE)
+ map = linemap_included_from_linemap (set, map);
+ return !!map;
+}
+
/* Returns TRUE if the line table set tracks token locations across
macro expansion, FALSE otherwise. */