2003-09-25 David Carlton <carlton@kealia.com>

[deliverable/binutils-gdb.git] / gdb / cp-namespace.c

diff --git a/gdb/cp-namespace.c b/gdb/cp-namespace.c
index 40959a589a44ca54dc38215048452fb34b17072e..75104ac2d6eae49014f6f451902e33eb58352a6d 100644 (file)
--- a/gdb/cp-namespace.c
+++ b/gdb/cp-namespace.c
@@ -508,6 +508,41 @@ lookup_symbol_file (const char *name,
   return NULL;
 }
 
+/* Look up a type named NESTED_NAME that is nested inside the C++
+   class or namespace given by PARENT_TYPE, from within the context
+   given by BLOCK.  Return NULL if there is no such nested type.  */
+
+/* FIXME: carlton/2003-09-24: For now, this only works for nested
+   namespaces; the patch to make this work on other sorts of nested
+   types is next on my TODO list.  */
+
+struct type *
+cp_lookup_nested_type (struct type *parent_type,
+                      const char *nested_name,
+                      const struct block *block)
+{
+  switch (TYPE_CODE (parent_type))
+    {
+    case TYPE_CODE_NAMESPACE:
+      {
+       const char *parent_name = TYPE_TAG_NAME (parent_type);
+       struct symbol *sym = cp_lookup_symbol_namespace (parent_name,
+                                                        nested_name,
+                                                        NULL,
+                                                        block,
+                                                        VAR_DOMAIN,
+                                                        NULL);
+       if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF)
+         return NULL;
+       else
+         return SYMBOL_TYPE (sym);
+      }
+    default:
+      internal_error (__FILE__, __LINE__,
+                     "cp_lookup_nested_type called on a non-namespace.");
+    }
+}
+
 /* Now come functions for dealing with symbols associated to
    namespaces.  (They're used to store the namespaces themselves, not
    objects that live in the namespaces.)  These symbols come in two