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Implement printing of rvalue reference types and values 

This patch provides the ability to print out names of rvalue reference types
and values of those types. This is done in full similarity to regular
references, and as with them, we don't print out "const" suffix because all
rvalue references are const.

gdb/ChangeLog

	PR gdb/14441
	* c-typeprint.c (c_print_type, c_type_print_varspec_prefix)
	(c_type_print_modifier, c_type_print_varspec_suffix)
	(c_type_print_base): Support printing rvalue reference types.
	* c-valprint.c (c_val_print, c_value_print): Support printing
	rvalue reference values.
This commit is contained in:
Artemiy Volkov 2017-03-20 13:47:48 -07:00 committed by Keith Seitz
parent e4347c89f3
commit e1cb321347
3 changed files with 17 additions and 6 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2017-03-20 Artemiy Volkov <artemiyv@acm.org>
PR gdb/14441
* c-typeprint.c (c_print_type, c_type_print_varspec_prefix)
(c_type_print_modifier, c_type_print_varspec_suffix)
(c_type_print_base): Support printing rvalue reference types.
* c-valprint.c (c_val_print, c_value_print): Support printing
rvalue reference values.
2017-03-20 Artemiy Volkov <artemiyv@acm.org>
PR gdb/14441

10
gdb/c-typeprint.c
View File

@ -110,7 +110,7 @@ c_print_type (struct type *type,
&& !TYPE_VECTOR (type))
|| code == TYPE_CODE_MEMBERPTR
|| code == TYPE_CODE_METHODPTR
|| code == TYPE_CODE_REF)))
|| TYPE_IS_REFERENCE (type))))
fputs_filtered (" ", stream);
need_post_space = (varstring != NULL && strcmp (varstring, "") != 0);
c_type_print_varspec_prefix (type, stream, show, 0, need_post_space,
@ -347,9 +347,10 @@ c_type_print_varspec_prefix (struct type *type,
break;
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 1, 0, flags);
fprintf_filtered (stream, "&");
fprintf_filtered (stream, TYPE_CODE(type) == TYPE_CODE_REF ? "&" : "&&");
c_type_print_modifier (type, stream, 1, need_post_space);
break;
@ -416,8 +417,7 @@ c_type_print_modifier (struct type *type, struct ui_file *stream,
/* We don't print `const' qualifiers for references --- since all
operators affect the thing referenced, not the reference itself,
every reference is `const'. */
if (TYPE_CONST (type)
&& TYPE_CODE (type) != TYPE_CODE_REF)
if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type))
{
if (need_pre_space)
fprintf_filtered (stream, " ");
@ -728,6 +728,7 @@ c_type_print_varspec_suffix (struct type *type,
case TYPE_CODE_PTR:
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, 1, 0, flags);
break;
@ -896,6 +897,7 @@ c_type_print_base (struct type *type, struct ui_file *stream,
case TYPE_CODE_PTR:
case TYPE_CODE_MEMBERPTR:
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
case TYPE_CODE_FUNC:
case TYPE_CODE_METHOD:
case TYPE_CODE_METHODPTR:

4
gdb/c-valprint.c
View File

@ -541,6 +541,7 @@ c_val_print (struct type *type,
break;
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
case TYPE_CODE_ENUM:
case TYPE_CODE_FLAGS:
case TYPE_CODE_FUNC:
@ -587,8 +588,7 @@ c_value_print (struct value *val, struct ui_file *stream,
val_type = value_type (val);
type = check_typedef (val_type);
if (TYPE_CODE (type) == TYPE_CODE_PTR
|| TYPE_CODE (type) == TYPE_CODE_REF)
if (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type))
{
/* Hack: remove (char *) for char strings. Their
type is indicated by the quoted string anyway.