gcc/

	* c-typeck.c (build_indirect_ref): Call invalid_indirection_error.

gcc/c-family/
	* c-common.h (invalid_indirection_error): Declare.
	* c-common.c (invalid_indirection_error): Define.

gcc/cp/
	* typeck.c (cp_build_indirect_ref): Call invalid_indirection_error.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167666 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 43 insertions, 0 deletions

diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 2ea3960170f..495816b6a00 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,8 @@
+2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>
+
+	* c-common.h (invalid_indirection_error): Declare.
+	* c-common.c (invalid_indirection_error): Define.
+
 2010-12-03  Richard Guenther  <rguenther@suse.de>
 
 	PR c/46745
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 7a57838a857..8d0fcc388fe 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -8585,6 +8585,43 @@ lvalue_error (enum lvalue_use use)
       gcc_unreachable ();
     }
 }
+
+/* Print an error message for an invalid indirection of type TYPE.
+   ERRSTRING is the name of the operator for the indirection.  */
+
+void
+invalid_indirection_error (location_t loc, tree type, ref_operator errstring)
+{
+  switch (errstring)
+    {
+    case RO_NULL:
+      gcc_assert (c_dialect_cxx ());
+      error_at (loc, "invalid type argument (have %qT)", type);
+      break;
+    case RO_ARRAY_INDEXING:
+      error_at (loc,
+		"invalid type argument of array indexing (have %qT)",
+		type);
+      break;
+    case RO_UNARY_STAR:
+      error_at (loc,
+		"invalid type argument of unary %<*%> (have %qT)",
+		type);
+      break;
+    case RO_ARROW:
+      error_at (loc,
+		"invalid type argument of %<->%> (have %qT)",
+		type);
+      break;
+    case RO_IMPLICIT_CONVERSION:
+      error_at (loc,
+		"invalid type argument of implicit conversion (have %qT)",
+		type);
+      break;
+    default:
+      gcc_unreachable ();
+    }
+}
 
 /* *PTYPE is an incomplete array.  Complete it with a domain based on
    INITIAL_VALUE.  If INITIAL_VALUE is not present, use 1 if DO_DEFAULT
diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h
index 928e5021d23..b6f8d398657 100644
--- a/gcc/c-family/c-common.h
+++ b/gcc/c-family/c-common.h
@@ -929,6 +929,7 @@ enum lvalue_use {
 };
 
 extern void lvalue_error (enum lvalue_use);
+extern void invalid_indirection_error (location_t, tree, ref_operator);
 
 extern int complete_array_type (tree *, tree, bool);