* call.c (add_candidates): Add first_arg and return_type parms.

[pf3gnuchains/gcc-fork.git] / gcc / c-common.c

diff --git a/gcc/c-common.c b/gcc/c-common.c
index d939e12..7dce962 100644 (file)
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -529,6 +529,7 @@ static tree handle_type_generic_attribute (tree *, tree, tree, int, bool *);
 static tree handle_alloc_size_attribute (tree *, tree, tree, int, bool *);
 static tree handle_target_attribute (tree *, tree, tree, int, bool *);
 static tree handle_optimize_attribute (tree *, tree, tree, int, bool *);
+static tree handle_fnspec_attribute (tree *, tree, tree, int, bool *);
 
 static void check_function_nonnull (tree, int, tree *);
 static void check_nonnull_arg (void *, tree, unsigned HOST_WIDE_INT);
@@ -656,6 +657,7 @@ const struct c_common_resword c_common_reswords[] =
   { "mutable",         RID_MUTABLE,    D_CXXONLY | D_CXXWARN },
   { "namespace",       RID_NAMESPACE,  D_CXXONLY | D_CXXWARN },
   { "new",             RID_NEW,        D_CXXONLY | D_CXXWARN },
+  { "nullptr",         RID_NULLPTR,    D_CXXONLY | D_CXX0X | D_CXXWARN },
   { "operator",                RID_OPERATOR,   D_CXXONLY | D_CXXWARN },
   { "private",         RID_PRIVATE,    D_CXX_OBJC | D_CXXWARN },
   { "protected",       RID_PROTECTED,  D_CXX_OBJC | D_CXXWARN },
@@ -828,6 +830,10 @@ const struct attribute_spec c_common_attribute_table[] =
                              handle_target_attribute },
   { "optimize",               1, -1, true, false, false,
                              handle_optimize_attribute },
+  /* For internal use (marking of builtins and runtime functions) only.
+     The name contains space to prevent its usage in source code.  */
+  { "fn spec",               1, 1, false, true, true,
+                             handle_fnspec_attribute },
   { NULL,                     0, 0, false, false, false, NULL }
 };
 
@@ -7137,6 +7143,20 @@ handle_alloc_size_attribute (tree *node, tree ARG_UNUSED (name), tree args,
   return NULL_TREE;
 }
 
+/* Handle a "fn spec" attribute; arguments as in
+   struct attribute_spec.handler.  */
+
+static tree
+handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED, tree ARG_UNUSED (name),
+                        tree args, int ARG_UNUSED (flags),
+                        bool *no_add_attrs ATTRIBUTE_UNUSED)
+{
+  gcc_assert (args
+             && TREE_CODE (TREE_VALUE (args)) == STRING_CST
+             && !TREE_CHAIN (args));
+  return NULL_TREE;
+}
+
 /* Handle a "returns_twice" attribute; arguments as in
    struct attribute_spec.handler.  */