[PATCH v6 05/11] Implement demangling for rvalue reference type names

[Keith Seitz <keiths@redhat.com>]

This patch fixes demangling of names containing rvalue reference typenames by
handling DEMANGLE_COMPONENT_RVALUE_REFERENCE demangle component.

There are no changes to this patch from v5.

gdb/ChangeLog

	PR gdb/14441
	From Artemiy Volkov  <artemiyv@acm.org>
	* cp-name-parser.y (ptr_operator): Handle the '&&' token in
	typename.
	* cp-support.c (replace_typedefs): Handle
	DEMANGLE_COMPONENT_RVALUE_REFERENCE.
	* python/py-type.c (typy_lookup_type): Likewise.
---
 gdb/ChangeLog        | 10 ++++++++++
 gdb/cp-name-parser.y |  4 ++++
 gdb/cp-support.c     |  1 +
 gdb/python/py-type.c |  4 ++++
 4 files changed, 19 insertions(+)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f7685ad..e7d5a6b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -2,6 +2,16 @@
 
 	PR gdb/14441
 	From Artemiy Volkov  <artemiyv@acm.org>
+	* cp-name-parser.y (ptr_operator): Handle the '&&' token in
+	typename.
+	* cp-support.c (replace_typedefs): Handle
+	DEMANGLE_COMPONENT_RVALUE_REFERENCE.
+	* python/py-type.c (typy_lookup_type): Likewise.
+
+2017-MM-DD  Keith Seitz  <keiths@redhat.com>
+
+	PR gdb/14441
+	From Artemiy Volkov  <artemiyv@acm.org>
 	* c-exp.y (ptr_operator): Handle the '&&' token in the typename.
 	* parse.c (insert_type): Change assert statement.
 	(follow_types): Handle rvalue reference types.
diff --git a/gdb/cp-name-parser.y b/gdb/cp-name-parser.y
index fd1e949..89e4d79 100644
--- a/gdb/cp-name-parser.y
+++ b/gdb/cp-name-parser.y
@@ -769,6 +769,10 @@ ptr_operator	:	'*' qualifiers_opt
 			{ $$.comp = make_empty (DEMANGLE_COMPONENT_REFERENCE);
 			  $$.comp->u.s_binary.left = $$.comp->u.s_binary.right = NULL;
 			  $$.last = &d_left ($$.comp); }
+		|	ANDAND
+			{ $$.comp = make_empty (DEMANGLE_COMPONENT_RVALUE_REFERENCE);
+			  $$.comp->u.s_binary.left = $$.comp->u.s_binary.right = NULL;
+			  $$.last = &d_left ($$.comp); }
 		|	nested_name '*' qualifiers_opt
 			{ $$.comp = make_empty (DEMANGLE_COMPONENT_PTRMEM_TYPE);
 			  $$.comp->u.s_binary.left = $1.comp;
diff --git a/gdb/cp-support.c b/gdb/cp-support.c
index 1b0900e..b1b96c8 100644
--- a/gdb/cp-support.c
+++ b/gdb/cp-support.c
@@ -494,6 +494,7 @@ replace_typedefs (struct demangle_parse_info *info,
 	case DEMANGLE_COMPONENT_RESTRICT_THIS:
 	case DEMANGLE_COMPONENT_POINTER:
 	case DEMANGLE_COMPONENT_REFERENCE:
+	case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
 	  replace_typedefs (info, d_left (ret_comp), finder, data);
 	  break;
 
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index c4d5917..0249cbb 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -770,6 +770,7 @@ typy_lookup_type (struct demangle_component *demangled,
 
   if (demangled_type == DEMANGLE_COMPONENT_POINTER
       || demangled_type == DEMANGLE_COMPONENT_REFERENCE
+      || demangled_type == DEMANGLE_COMPONENT_RVALUE_REFERENCE
       || demangled_type == DEMANGLE_COMPONENT_CONST
       || demangled_type == DEMANGLE_COMPONENT_VOLATILE)
     {
@@ -788,6 +789,9 @@ typy_lookup_type (struct demangle_component *demangled,
 	    case DEMANGLE_COMPONENT_REFERENCE:
 	      rtype = lookup_lvalue_reference_type (type);
 	      break;
+	    case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
+	      rtype = lookup_rvalue_reference_type (type);
+	      break;
 	    case DEMANGLE_COMPONENT_POINTER:
 	      rtype = lookup_pointer_type (type);
 	      break;
-- 
2.1.0