c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.

c-family/
	* c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.
	* c-ada-spec.c (print_assignment_operator): New function.
	(dump_ada_declaration) <FUNCTION_DECL>: Call it do dump explicit copy
	assignment operators declared as methods and filter out the others.
cp/
	* decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.

From-SVN: r271457

6 files changed, 38 insertions, 2 deletions

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index ccea2b9..e2a75de 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,7 +1,7 @@
 2019-05-16  Martin Sebor  <msebor@redhat.com>
 
-        * gcc-interface/trans.c (check_inlining_for_nested_subprog): Quote
-        reserved names.
+	* gcc-interface/trans.c (check_inlining_for_nested_subprog): Quote
+	reserved names.
 
 2019-05-08  Arnaud Charlet  <charlet@adacore.com>
 
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 5068776..71cb361 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,10 @@
+2019-05-21  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.
+	* c-ada-spec.c (print_assignment_operator): New function.
+	(dump_ada_declaration) <FUNCTION_DECL>: Call it do dump explicit copy
+	assignment operators declared as methods and filter out the others.
+
 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 
 	PR c/89433
diff --git a/gcc/c-family/c-ada-spec.c b/gcc/c-family/c-ada-spec.c
index c85e606..dc3a044 100644
--- a/gcc/c-family/c-ada-spec.c
+++ b/gcc/c-family/c-ada-spec.c
@@ -2681,6 +2681,17 @@ print_destructor (pretty_printer *buffer, tree t, tree type)
   pp_ada_tree_identifier (buffer, decl_name, t, false);
 }
 
+/* Dump in BUFFER assignment operator spec corresponding to T.  */
+
+static void
+print_assignment_operator (pretty_printer *buffer, tree t, tree type)
+{
+  tree decl_name = DECL_NAME (TYPE_NAME (type));
+
+  pp_string (buffer, "Assign_");
+  pp_ada_tree_identifier (buffer, decl_name, t, false);
+}
+
 /* Return the name of type T.  */
 
 static const char *
@@ -2920,6 +2931,7 @@ dump_ada_declaration (pretty_printer *buffer, tree t, tree type, int spc)
       bool is_method = TREE_CODE (TREE_TYPE (t)) == METHOD_TYPE;
       tree decl_name = DECL_NAME (t);
       bool is_abstract = false;
+      bool is_assignment_operator = false;
       bool is_constructor = false;
       bool is_destructor = false;
       bool is_copy_constructor = false;
@@ -2931,6 +2943,7 @@ dump_ada_declaration (pretty_printer *buffer, tree t, tree type, int spc)
       if (cpp_check)
 	{
 	  is_abstract = cpp_check (t, IS_ABSTRACT);
+	  is_assignment_operator = cpp_check (t, IS_ASSIGNMENT_OPERATOR);
 	  is_constructor = cpp_check (t, IS_CONSTRUCTOR);
 	  is_destructor = cpp_check (t, IS_DESTRUCTOR);
 	  is_copy_constructor = cpp_check (t, IS_COPY_CONSTRUCTOR);
@@ -2955,6 +2968,13 @@ dump_ada_declaration (pretty_printer *buffer, tree t, tree type, int spc)
 	    return 0;
 	}
 
+      else if (is_assignment_operator)
+	{
+	  /* ??? Skip implicit or non-method assignment operators for now.  */
+	  if (DECL_ARTIFICIAL (t) || !is_method)
+	    return 0;
+	}
+
       /* If this function has an entry in the vtable, we cannot omit it.  */
       else if (!DECL_VINDEX (t) && *IDENTIFIER_POINTER (decl_name) == '_')
 	{
@@ -2977,6 +2997,8 @@ dump_ada_declaration (pretty_printer *buffer, tree t, tree type, int spc)
 	print_constructor (buffer, t, type);
       else if (is_destructor)
 	print_destructor (buffer, t, type);
+      else if (is_assignment_operator)
+	print_assignment_operator (buffer, t, type);
       else
 	dump_ada_decl_name (buffer, t, false);
 
diff --git a/gcc/c-family/c-ada-spec.h b/gcc/c-family/c-ada-spec.h
index 5993662..f9ea1bc 100644
--- a/gcc/c-family/c-ada-spec.h
+++ b/gcc/c-family/c-ada-spec.h
@@ -27,6 +27,7 @@ along with GCC; see the file COPYING3.  If not see
 enum cpp_operation {
   HAS_DEPENDENT_TEMPLATE_ARGS,
   IS_ABSTRACT,
+  IS_ASSIGNMENT_OPERATOR,
   IS_CONSTRUCTOR,
   IS_DESTRUCTOR,
   IS_COPY_CONSTRUCTOR,
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index f5f6c44..f895f13 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-21  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.
+
 2019-05-20  Marek Polacek  <polacek@redhat.com>
 
 	CWG 2094 - volatile scalars are trivially copyable.
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index bd022ca..338db4a 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -4249,6 +4249,8 @@ cpp_check (tree t, cpp_operation op)
 	}
       case IS_ABSTRACT:
 	return DECL_PURE_VIRTUAL_P (t);
+      case IS_ASSIGNMENT_OPERATOR:
+	return DECL_ASSIGNMENT_OPERATOR_P (t);
       case IS_CONSTRUCTOR:
 	return DECL_CONSTRUCTOR_P (t);
       case IS_DESTRUCTOR: