From d6b4ea8592e338addbd24be14708f66eaa4ac63e Mon Sep 17 00:00:00 2001
From: Mark Mitchell <mark@codesourcery.com>
Date: Fri, 4 Jul 2003 05:05:19 +0000
Subject: call.c (build_addr_func): Handle bound pointers-to-members.

	* call.c (build_addr_func): Handle bound pointers-to-members.
	(build_method_call): Do not call resolve_offset_ref.
	(implicit_conversion): Likewise.
	(resolve_scoped_fn_name): Use finish_non_static_data_member, not
	resolve_offset_ref.
	(resolve_args): Do not call resolve_offset_ref.
	(build_conditional_expr): Likewise.
	(build_new_method_call): Likewise.
	* cp-tree.def (OFFSET_REF): Update documentation.
	(cp_convert_to_pointer): Update handling of conversions from
	pointers to members to pointers.
	(ocp_convert): Do not call resolve_offset_ref.
	(convert_to_void): Likewise.
	(build_expr_type_conversion): Likewise.
	(delete_sanity): Likewise.
	(resolve_offset_ref): Simplify greatly.
	(build_vec_delete): Do not call resolve_offset_ref.
	* parser.c (cp_parser_postfix_expression): Call resolve_offset_ref
	if appropriate.
	(cp_parser_unary_expression): Use
	cp_parser_simple_cast_expression.
	(cp_parser_delete_expression): Likewise.
	(cp_parser_cast_expression): Likewise.
	(cp_parser_pm_expression): Use cp_parser_binary_op.
	(cp_parser_simple_cast_expression): New function.
	* rtti.c (build_dynamic_cast_1): Do not call resolve_offset_ref.
	* semantics.c (finish_increment_expr): Likewise.
	(finish_typeof): Likewise.
	* tree.c (lvalue_p_1): Do not handle OFFSET_REF.
	* typeck.c (require_complete_type): Do not handle OFFSET_REFs.
	(decay_conversion): Do not call resolve_offset_ref.
	(finish_class_member_access_expr): Likewise.
	(convert_arguments): Likewise.
	(build_x_binary_op): Handle DOTSTAR_EXPR.
	(condition_conversion): Do not call resolve_offset_ref.
	(unary_complex_lvalue): Likewise.
	(build_static_cast): Likewise.
	(build_reinterpret_cast): Likewise.
	(build_const_cast): Likewise.
	(build_c_cast): Likewise.
	(build_modify_expr): Likewise.
	(convert_for_assignment): Likewise.
	(convert_for_initialization): Likewise.
	* typeck2.c (build_x_arrow): Likewise.
	(build_m_component_ref): Simplify.

	* g++.old-deja/g++.jason/typeid1.C: Add dg-error marker.
	* g++.old-deja/g++.mike/net36.C: Tweak error messages.

From-SVN: r68911
---
 gcc/cp/cvt.c | 54 ++++++++++++++++++++++++++++++------------------------
 1 file changed, 30 insertions(+), 24 deletions(-)

(limited to 'gcc/cp/cvt.c')

diff --git a/gcc/cp/cvt.c b/gcc/cp/cvt.c
index 29f0222..24a3416 100644
--- a/gcc/cp/cvt.c
+++ b/gcc/cp/cvt.c
@@ -109,24 +109,26 @@ cp_convert_to_pointer (tree type, tree expr, bool force)
 	 functions.  */
       if (TYPE_PTRMEMFUNC_P (intype))
 	{
-	  tree fntype = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (intype));
-	  tree decl = maybe_dummy_object (TYPE_METHOD_BASETYPE (fntype), 0);
-	  expr = build (OFFSET_REF, fntype, decl, expr);
+	  if (pedantic || warn_pmf2ptr)
+	    pedwarn ("converting from `%T' to `%T'", intype, type);
+	  if (TREE_CODE (expr) == PTRMEM_CST)
+	    expr = build_address (PTRMEM_CST_MEMBER (expr));
+	  else
+	    {
+	      tree decl = maybe_dummy_object (TYPE_PTRMEM_CLASS_TYPE (intype), 
+					      0);
+	      decl = build_address (decl);
+	      expr = get_member_function_from_ptrfunc (&decl, expr);
+	    }
 	}
-
-      if (TREE_CODE (expr) == OFFSET_REF
-	  && TREE_CODE (TREE_TYPE (expr)) == METHOD_TYPE)
-	expr = resolve_offset_ref (expr);
-      if (TREE_CODE (TREE_TYPE (expr)) == METHOD_TYPE)
-	expr = build_addr_func (expr);
-      if (TREE_CODE (TREE_TYPE (expr)) == POINTER_TYPE)
+      else if (TREE_CODE (TREE_TYPE (expr)) == METHOD_TYPE)
 	{
-	  if (TREE_CODE (TREE_TYPE (TREE_TYPE (expr))) == METHOD_TYPE)
-	    if (pedantic || warn_pmf2ptr)
-	      pedwarn ("converting from `%T' to `%T'", TREE_TYPE (expr),
-			  type);
-	  return build1 (NOP_EXPR, type, expr);
+	  if (pedantic || warn_pmf2ptr)
+	    pedwarn ("converting from `%T' to `%T'", intype, type);
+	  expr = build_addr_func (expr);
 	}
+      if (TREE_CODE (TREE_TYPE (expr)) == POINTER_TYPE)
+	return build_nop (type, expr);
       intype = TREE_TYPE (expr);
     }
 
@@ -233,6 +235,19 @@ cp_convert_to_pointer (tree type, tree expr, bool force)
     return build_ptrmemfunc (TYPE_PTRMEMFUNC_FN_TYPE (type), expr, 0);
   else if (TYPE_PTRMEMFUNC_P (intype))
     {
+      if (!warn_pmf2ptr)
+	{
+	  if (TREE_CODE (expr) == PTRMEM_CST)
+	    return cp_convert_to_pointer (type,
+					  PTRMEM_CST_MEMBER (expr),
+					  force);
+	  else if (TREE_CODE (expr) == OFFSET_REF)
+	    {
+	      tree object = TREE_OPERAND (expr, 0);
+	      return get_member_function_from_ptrfunc (&object,
+						       TREE_OPERAND (expr, 1));
+	    }
+	}
       error ("cannot convert `%E' from type `%T' to type `%T'",
 		expr, intype, type);
       return error_mark_node;
@@ -663,9 +678,6 @@ ocp_convert (tree type, tree expr, int convtype, int flags)
       code = TREE_CODE (type);
     }
 
-  if (TREE_CODE (e) == OFFSET_REF)
-    e = resolve_offset_ref (e);
-
   if (INTEGRAL_CODE_P (code))
     {
       tree intype = TREE_TYPE (e);
@@ -879,10 +891,6 @@ convert_to_void (tree expr, const char *implicit)
         break;
       }
 
-    case OFFSET_REF:
-      expr = resolve_offset_ref (expr);
-      break;
-
     default:;
     }
   {
@@ -1023,8 +1031,6 @@ build_expr_type_conversion (int desires, tree expr, bool complain)
       && !(desires & WANT_NULL))
     warning ("converting NULL to non-pointer type");
     
-  if (TREE_CODE (expr) == OFFSET_REF)
-    expr = resolve_offset_ref (expr);
   expr = convert_from_reference (expr);
   basetype = TREE_TYPE (expr);
 
-- 
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