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re PR c++/33462 (Broken diagnostic: 'va_arg_expr' not supported by dump_expr)

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/cp
2007-09-18  Paolo Carlini  <pcarlini@suse.de>

	PR c++/33462
	* cxx-pretty-print.c (pp_cxx_va_arg_expression): Add.
	(pp_cxx_primary_expression): Use it.
	* cxx-pretty-print.h (pp_cxx_va_arg_expression): Declare.
	* error.c (dump_expr): Use it.

/testsuite
2007-09-18  Paolo Carlini  <pcarlini@suse.de>

	PR c++/33462
	* g++.dg/ext/va-arg1.C: New.

From-SVN: r128584
This commit is contained in:
Paolo Carlini 2007-09-18 18:05:40 +00:00 committed by Paolo Carlini
parent 6b9de96776
commit fdb8f4189c
6 changed files with 43 additions and 0 deletions
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8
gcc/cp/ChangeLog
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@ -1,3 +1,11 @@
2007-09-18 Paolo Carlini <pcarlini@suse.de>
PR c++/33462
* cxx-pretty-print.c (pp_cxx_va_arg_expression): Add.
(pp_cxx_primary_expression): Use it.
* cxx-pretty-print.h (pp_cxx_va_arg_expression): Declare.
* error.c (dump_expr): Use it.
2007-09-18 Paolo Carlini <pcarlini@suse.de>
PR c++/33463

17
gcc/cp/cxx-pretty-print.c
View File

@ -351,6 +351,8 @@ pp_cxx_id_expression (cxx_pretty_printer *pp, tree t)
id-expression
GNU Extensions:
__builtin_va_arg ( assignment-expression , type-id )
__has_nothrow_assign ( type-id )
__has_nothrow_constructor ( type-id )
__has_nothrow_copy ( type-id )
@ -410,6 +412,10 @@ pp_cxx_primary_expression (cxx_pretty_printer *pp, tree t)
pp_cxx_trait_expression (pp, t);
break;
case VA_ARG_EXPR:
pp_cxx_va_arg_expression (pp, t);
break;
default:
pp_c_primary_expression (pp_c_base (pp), t);
break;
@ -2152,6 +2158,17 @@ pp_cxx_typeid_expression (cxx_pretty_printer *pp, tree t)
pp_cxx_right_paren (pp);
}
void
pp_cxx_va_arg_expression (cxx_pretty_printer *pp, tree t)
{
pp_cxx_identifier (pp, "__builtin_va_arg");
pp_cxx_left_paren (pp);
pp_cxx_assignment_expression (pp, TREE_OPERAND (t, 0));
pp_cxx_separate_with (pp, ',');
pp_cxx_type_id (pp, TREE_TYPE (t));
pp_cxx_right_paren (pp);
}
void
pp_cxx_trait_expression (cxx_pretty_printer *pp, tree t)
{

1
gcc/cp/cxx-pretty-print.h
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@ -71,5 +71,6 @@ void pp_cxx_declaration (cxx_pretty_printer *, tree);
void pp_cxx_canonical_template_parameter (cxx_pretty_printer *, tree);
void pp_cxx_trait_expression (cxx_pretty_printer *, tree);
void pp_cxx_typeid_expression (cxx_pretty_printer *, tree);
void pp_cxx_va_arg_expression (cxx_pretty_printer *, tree);
#endif /* GCC_CXX_PRETTY_PRINT_H */

4
gcc/cp/error.c
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@ -2062,6 +2062,10 @@ dump_expr (tree t, int flags)
pp_cxx_typeid_expression (cxx_pp, t);
break;
case VA_ARG_EXPR:
pp_cxx_va_arg_expression (cxx_pp, t);
break;
/* This list is incomplete, but should suffice for now.
It is very important that `sorry' does not call
`report_error_function'. That could cause an infinite loop. */

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-09-18 Paolo Carlini <pcarlini@suse.de>
PR c++/33462
* g++.dg/ext/va-arg1.C: New.
2007-09-18 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/elemental_optional_args_1.f90: Fix test.

8
gcc/testsuite/g++.dg/ext/va-arg1.C Normal file
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@ -0,0 +1,8 @@
// PR c++/33462
struct A {};
void foo()
{
++__builtin_va_arg(0, A); // { dg-error "'\\+\\+__builtin_va_arg\\(0, A\\)'" }
}