/* Call-backs for C++ error reporting.
This code is non-reentrant.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
- 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003,
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
#include "tm.h"
#include "tree.h"
#include "cp-tree.h"
-#include "real.h"
#include "toplev.h"
#include "flags.h"
#include "diagnostic.h"
+#include "tree-diagnostic.h"
#include "langhooks-def.h"
+#include "intl.h"
#include "cxx-pretty-print.h"
+#include "tree-pretty-print.h"
+#include "pointer-set.h"
#define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
static cxx_pretty_printer scratch_pretty_printer;
#define cxx_pp (&scratch_pretty_printer)
+/* Translate if being used for diagnostics, but not for dump files or
+ __PRETTY_FUNCTION. */
+#define M_(msgid) (pp_translate_identifiers (cxx_pp) ? _(msgid) : (msgid))
+
# define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
static const char *args_to_string (tree, int);
static void dump_template_argument (tree, int);
static void dump_template_argument_list (tree, int);
static void dump_template_parameter (tree, int);
-static void dump_template_bindings (tree, tree);
+static void dump_template_bindings (tree, tree, VEC(tree,gc) *);
static void dump_scope (tree, int);
static void dump_template_parms (tree, int, int);
-
+static int get_non_default_template_args_count (tree, int);
static const char *function_category (tree);
+static void maybe_print_constexpr_context (diagnostic_context *);
static void maybe_print_instantiation_context (diagnostic_context *);
static void print_instantiation_full_context (diagnostic_context *);
static void print_instantiation_partial_context (diagnostic_context *,
static void
dump_scope (tree scope, int flags)
{
- int f = ~TFF_RETURN_TYPE & (flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF));
+ int f = flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF);
if (scope == NULL_TREE)
return;
else if (TYPE_P (arg) || TREE_CODE (arg) == TEMPLATE_DECL)
dump_type (arg, flags & ~TFF_CLASS_KEY_OR_ENUM);
else
- dump_expr (arg, (flags | TFF_EXPR_IN_PARENS) & ~TFF_CLASS_KEY_OR_ENUM);
+ {
+ if (TREE_CODE (arg) == TREE_LIST)
+ arg = TREE_VALUE (arg);
+
+ dump_expr (arg, (flags | TFF_EXPR_IN_PARENS) & ~TFF_CLASS_KEY_OR_ENUM);
+ }
+}
+
+/* Count the number of template arguments ARGS whose value does not
+ match the (optional) default template parameter in PARAMS */
+
+static int
+get_non_default_template_args_count (tree args, int flags)
+{
+ int n = TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (args));
+
+ if (/* We use this flag when generating debug information. We don't
+ want to expand templates at this point, for this may generate
+ new decls, which gets decl counts out of sync, which may in
+ turn cause codegen differences between compilations with and
+ without -g. */
+ (flags & TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS) != 0
+ || !flag_pretty_templates)
+ return n;
+
+ return GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (INNERMOST_TEMPLATE_ARGS (args));
}
/* Dump a template-argument-list ARGS (always a TREE_VEC) under control
static void
dump_template_argument_list (tree args, int flags)
{
- int n = TREE_VEC_LENGTH (args);
+ int n = get_non_default_template_args_count (args, flags);
int need_comma = 0;
int i;
- for (i = 0; i< n; ++i)
+ for (i = 0; i < n; ++i)
{
tree arg = TREE_VEC_ELT (args, i);
{
if (flags & TFF_DECL_SPECIFIERS)
{
- pp_cxx_identifier (cxx_pp, "class");
+ pp_cxx_ws_string (cxx_pp, "class");
if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (p)))
- pp_cxx_identifier (cxx_pp, "...");
+ pp_cxx_ws_string (cxx_pp, "...");
if (DECL_NAME (p))
pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
}
TREE_VEC. */
static void
-dump_template_bindings (tree parms, tree args)
+dump_template_bindings (tree parms, tree args, VEC(tree,gc)* typenames)
{
int need_comma = 0;
+ int i;
+ tree t;
while (parms)
{
int lvl = TMPL_PARMS_DEPTH (parms);
int arg_idx = 0;
int i;
+ tree lvl_args = NULL_TREE;
+
+ /* Don't crash if we had an invalid argument list. */
+ if (TMPL_ARGS_DEPTH (args) >= lvl)
+ lvl_args = TMPL_ARGS_LEVEL (args, lvl);
for (i = 0; i < TREE_VEC_LENGTH (p); ++i)
{
tree arg = NULL_TREE;
/* Don't crash if we had an invalid argument list. */
- if (TMPL_ARGS_DEPTH (args) >= lvl)
- {
- tree lvl_args = TMPL_ARGS_LEVEL (args, lvl);
- if (NUM_TMPL_ARGS (lvl_args) > arg_idx)
- arg = TREE_VEC_ELT (lvl_args, arg_idx);
- }
+ if (lvl_args && NUM_TMPL_ARGS (lvl_args) > arg_idx)
+ arg = TREE_VEC_ELT (lvl_args, arg_idx);
if (need_comma)
pp_separate_with_comma (cxx_pp);
pp_equal (cxx_pp);
pp_cxx_whitespace (cxx_pp);
if (arg)
- dump_template_argument (arg, TFF_PLAIN_IDENTIFIER);
+ {
+ if (ARGUMENT_PACK_P (arg))
+ pp_cxx_left_brace (cxx_pp);
+ dump_template_argument (arg, TFF_PLAIN_IDENTIFIER);
+ if (ARGUMENT_PACK_P (arg))
+ pp_cxx_right_brace (cxx_pp);
+ }
else
- pp_identifier (cxx_pp, "<missing>");
+ pp_string (cxx_pp, M_("<missing>"));
++arg_idx;
need_comma = 1;
parms = TREE_CHAIN (parms);
}
+
+ FOR_EACH_VEC_ELT (tree, typenames, i, t)
+ {
+ if (need_comma)
+ pp_separate_with_comma (cxx_pp);
+ dump_type (t, TFF_PLAIN_IDENTIFIER);
+ pp_cxx_whitespace (cxx_pp);
+ pp_equal (cxx_pp);
+ pp_cxx_whitespace (cxx_pp);
+ t = tsubst (t, args, tf_none, NULL_TREE);
+ /* Strip typedefs. We can't just use TFF_CHASE_TYPEDEF because
+ pp_simple_type_specifier doesn't know about it. */
+ t = strip_typedefs (t);
+ dump_type (t, TFF_PLAIN_IDENTIFIER);
+ }
}
/* Dump a human-readable equivalent of TYPE. FLAGS controls the
if (t == NULL_TREE)
return;
+ /* Don't print e.g. "struct mytypedef". */
+ if (TYPE_P (t) && typedef_variant_p (t))
+ {
+ tree decl = TYPE_NAME (t);
+ if ((flags & TFF_CHASE_TYPEDEF)
+ || DECL_SELF_REFERENCE_P (decl)
+ || (!flag_pretty_templates
+ && DECL_LANG_SPECIFIC (decl) && DECL_TEMPLATE_INFO (decl)))
+ t = strip_typedefs (t);
+ else if (same_type_p (t, TREE_TYPE (decl)))
+ t = decl;
+ else
+ {
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
+ return;
+ }
+ }
+
if (TYPE_PTRMEMFUNC_P (t))
goto offset_type;
switch (TREE_CODE (t))
{
- case UNKNOWN_TYPE:
- pp_identifier (cxx_pp, "<unresolved overloaded function type>");
+ case LANG_TYPE:
+ if (t == init_list_type_node)
+ pp_string (cxx_pp, M_("<brace-enclosed initializer list>"));
+ else if (t == unknown_type_node)
+ pp_string (cxx_pp, M_("<unresolved overloaded function type>"));
+ else
+ {
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
+ }
break;
case TREE_LIST:
case BOOLEAN_TYPE:
case COMPLEX_TYPE:
case VECTOR_TYPE:
+ case FIXED_POINT_TYPE:
pp_type_specifier_seq (cxx_pp, t);
break;
break;
}
case TYPENAME_TYPE:
+ if (! (flags & TFF_CHASE_TYPEDEF)
+ && DECL_ORIGINAL_TYPE (TYPE_NAME (t)))
+ {
+ dump_decl (TYPE_NAME (t), TFF_PLAIN_IDENTIFIER);
+ break;
+ }
pp_cxx_cv_qualifier_seq (cxx_pp, t);
- pp_cxx_identifier (cxx_pp,
+ pp_cxx_ws_string (cxx_pp,
TYPENAME_IS_ENUM_P (t) ? "enum"
: TYPENAME_IS_CLASS_P (t) ? "class"
: "typename");
break;
case UNBOUND_CLASS_TEMPLATE:
- dump_type (TYPE_CONTEXT (t), flags);
- pp_cxx_colon_colon (cxx_pp);
- pp_cxx_identifier (cxx_pp, "template");
+ if (! (flags & TFF_UNQUALIFIED_NAME))
+ {
+ dump_type (TYPE_CONTEXT (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ pp_cxx_ws_string (cxx_pp, "template");
dump_type (DECL_NAME (TYPE_NAME (t)), flags);
break;
case TYPEOF_TYPE:
- pp_cxx_identifier (cxx_pp, "__typeof__");
+ pp_cxx_ws_string (cxx_pp, "__typeof__");
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
dump_expr (TYPEOF_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
case TYPE_PACK_EXPANSION:
dump_type (PACK_EXPANSION_PATTERN (t), flags);
- pp_cxx_identifier (cxx_pp, "...");
+ pp_cxx_ws_string (cxx_pp, "...");
break;
case TYPE_ARGUMENT_PACK:
- {
- tree args = ARGUMENT_PACK_ARGS (t);
- int i;
- for (i = 0; i < TREE_VEC_LENGTH (args); ++i)
- {
- if (i)
- pp_separate_with_comma (cxx_pp);
- dump_type (TREE_VEC_ELT (args, i), flags);
- }
- }
+ dump_template_argument (t, flags);
break;
case DECLTYPE_TYPE:
- pp_cxx_identifier (cxx_pp, "decltype");
+ pp_cxx_ws_string (cxx_pp, "decltype");
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
dump_expr (DECLTYPE_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
pp_cxx_right_paren (cxx_pp);
break;
+ case NULLPTR_TYPE:
+ pp_string (cxx_pp, "std::nullptr_t");
+ break;
+
default:
pp_unsupported_tree (cxx_pp, t);
/* Fall through to error. */
case ERROR_MARK:
- pp_identifier (cxx_pp, "<type error>");
+ pp_string (cxx_pp, M_("<type error>"));
break;
}
}
const char *
class_key_or_enum_as_string (tree t)
{
- if (TREE_CODE (t) == ENUMERAL_TYPE)
- return "enum";
+ if (TREE_CODE (t) == ENUMERAL_TYPE)
+ {
+ if (SCOPED_ENUM_P (t))
+ return "enum class";
+ else
+ return "enum";
+ }
else if (TREE_CODE (t) == UNION_TYPE)
return "union";
else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
pp_cxx_cv_qualifier_seq (cxx_pp, t);
if (flags & TFF_CLASS_KEY_OR_ENUM)
- pp_cxx_identifier (cxx_pp, variety);
-
- if (flags & TFF_CHASE_TYPEDEF)
- t = TYPE_MAIN_VARIANT (t);
+ pp_cxx_ws_string (cxx_pp, variety);
name = TYPE_NAME (t);
if (name)
{
typdef = !DECL_ARTIFICIAL (name);
+
+ if ((typdef
+ && ((flags & TFF_CHASE_TYPEDEF)
+ || (!flag_pretty_templates && DECL_LANG_SPECIFIC (name)
+ && DECL_TEMPLATE_INFO (name))))
+ || DECL_SELF_REFERENCE_P (name))
+ {
+ t = TYPE_MAIN_VARIANT (t);
+ name = TYPE_NAME (t);
+ typdef = 0;
+ }
+
tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
&& TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
&& (TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
if (name == 0 || ANON_AGGRNAME_P (name))
{
if (flags & TFF_CLASS_KEY_OR_ENUM)
- pp_identifier (cxx_pp, "<anonymous>");
+ pp_string (cxx_pp, M_("<anonymous>"));
else
- pp_printf (pp_base (cxx_pp), "<anonymous %s>", variety);
+ pp_printf (pp_base (cxx_pp), M_("<anonymous %s>"), variety);
+ }
+ else if (LAMBDANAME_P (name))
+ {
+ /* A lambda's "type" is essentially its signature. */
+ pp_string (cxx_pp, M_("<lambda"));
+ if (lambda_function (t))
+ dump_parameters (FUNCTION_FIRST_USER_PARMTYPE (lambda_function (t)),
+ flags);
+ pp_character(cxx_pp, '>');
}
else
pp_cxx_tree_identifier (cxx_pp, name);
tree sub = TREE_TYPE (t);
dump_type_prefix (sub, flags);
- if (TREE_CODE (sub) == ARRAY_TYPE)
+ if (TREE_CODE (sub) == ARRAY_TYPE
+ || TREE_CODE (sub) == FUNCTION_TYPE)
{
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
pp_base (cxx_pp)->padding = pp_before;
break;
- /* Can only be reached through function pointer -- this would not be
- correct if FUNCTION_DECLs used it. */
+ /* This can be reached without a pointer when dealing with
+ templates, e.g. std::is_function. */
case FUNCTION_TYPE:
dump_type_prefix (TREE_TYPE (t), flags);
- pp_maybe_space (cxx_pp);
- pp_cxx_left_paren (cxx_pp);
break;
case METHOD_TYPE:
case TYPE_DECL:
case TREE_VEC:
case UNION_TYPE:
- case UNKNOWN_TYPE:
+ case LANG_TYPE:
case VOID_TYPE:
case TYPENAME_TYPE:
case COMPLEX_TYPE:
case VECTOR_TYPE:
case TYPEOF_TYPE:
case DECLTYPE_TYPE:
+ case TYPE_PACK_EXPANSION:
+ case FIXED_POINT_TYPE:
+ case NULLPTR_TYPE:
dump_type (t, flags);
pp_base (cxx_pp)->padding = pp_before;
break;
pp_unsupported_tree (cxx_pp, t);
/* fall through. */
case ERROR_MARK:
- pp_identifier (cxx_pp, "<typeprefixerror>");
+ pp_string (cxx_pp, M_("<typeprefixerror>"));
break;
}
}
case POINTER_TYPE:
case REFERENCE_TYPE:
case OFFSET_TYPE:
- if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
+ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE
+ || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE)
pp_cxx_right_paren (cxx_pp);
dump_type_suffix (TREE_TYPE (t), flags);
break;
- /* Can only be reached through function pointer. */
case FUNCTION_TYPE:
case METHOD_TYPE:
{
tree arg;
- pp_cxx_right_paren (cxx_pp);
+ if (TREE_CODE (t) == METHOD_TYPE)
+ /* Can only be reached through a pointer. */
+ pp_cxx_right_paren (cxx_pp);
arg = TYPE_ARG_TYPES (t);
if (TREE_CODE (t) == METHOD_TYPE)
arg = TREE_CHAIN (arg);
pp_cxx_cv_qualifier_seq
(cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))));
else
- pp_cxx_cv_qualifier_seq(cxx_pp, t);
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t), flags);
dump_type_suffix (TREE_TYPE (t), flags);
break;
dump_expr (TREE_OPERAND (max, 0),
flags & ~TFF_EXPR_IN_PARENS);
else
- dump_expr (fold_build2 (PLUS_EXPR, dtype, max,
+ dump_expr (fold_build2_loc (input_location,
+ PLUS_EXPR, dtype, max,
build_int_cst (dtype, 1)),
flags & ~TFF_EXPR_IN_PARENS);
}
case TYPE_DECL:
case TREE_VEC:
case UNION_TYPE:
- case UNKNOWN_TYPE:
+ case LANG_TYPE:
case VOID_TYPE:
case TYPENAME_TYPE:
case COMPLEX_TYPE:
case VECTOR_TYPE:
case TYPEOF_TYPE:
case DECLTYPE_TYPE:
+ case TYPE_PACK_EXPANSION:
+ case FIXED_POINT_TYPE:
+ case NULLPTR_TYPE:
break;
default:
const char *p = NULL;
if (DECL_GLOBAL_CTOR_P (t))
- p = "initializers";
+ p = M_("(static initializers for %s)");
else if (DECL_GLOBAL_DTOR_P (t))
- p = "destructors";
+ p = M_("(static destructors for %s)");
else
gcc_unreachable ();
- pp_printf (pp_base (cxx_pp), "(static %s for %s)", p, input_filename);
+ pp_printf (pp_base (cxx_pp), p, input_filename);
}
static void
{
if (flags & TFF_DECL_SPECIFIERS)
{
+ if (TREE_CODE (t) == VAR_DECL
+ && DECL_DECLARED_CONSTEXPR_P (t))
+ pp_cxx_ws_string (cxx_pp, "constexpr");
dump_type_prefix (type, flags & ~TFF_UNQUALIFIED_NAME);
pp_maybe_space (cxx_pp);
}
if (! (flags & TFF_UNQUALIFIED_NAME)
+ && TREE_CODE (t) != PARM_DECL
&& (!DECL_INITIAL (t)
|| TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX))
dump_scope (CP_DECL_CONTEXT (t), flags);
flags &= ~TFF_UNQUALIFIED_NAME;
+ if ((flags & TFF_DECL_SPECIFIERS)
+ && DECL_TEMPLATE_PARM_P (t)
+ && TEMPLATE_PARM_PARAMETER_PACK (DECL_INITIAL (t)))
+ pp_string (cxx_pp, "...");
if (DECL_NAME (t))
dump_decl (DECL_NAME (t), flags);
else
- pp_identifier (cxx_pp, "<anonymous>");
+ pp_string (cxx_pp, M_("<anonymous>"));
if (flags & TFF_DECL_SPECIFIERS)
dump_type_suffix (type, flags);
}
if (t == NULL_TREE)
return;
+ /* If doing Objective-C++, give Objective-C a chance to demangle
+ Objective-C method names. */
+ if (c_dialect_objc ())
+ {
+ const char *demangled = objc_maybe_printable_name (t, flags);
+ if (demangled)
+ {
+ pp_string (cxx_pp, demangled);
+ return;
+ }
+ }
+
switch (TREE_CODE (t))
{
case TYPE_DECL:
/* Don't say 'typedef class A' */
- if (DECL_ARTIFICIAL (t))
+ if (DECL_ARTIFICIAL (t) && !DECL_SELF_REFERENCE_P (t))
{
if ((flags & TFF_DECL_SPECIFIERS)
&& TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TYPE_PARM)
- /* Say `class T' not just `T'. */
- pp_cxx_identifier (cxx_pp, "class");
+ {
+ /* Say `class T' not just `T'. */
+ pp_cxx_ws_string (cxx_pp, "class");
+
+ /* Emit the `...' for a parameter pack. */
+ if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
+ pp_cxx_ws_string (cxx_pp, "...");
+ }
dump_type (TREE_TYPE (t), flags);
break;
}
- if (flags & TFF_DECL_SPECIFIERS)
- pp_cxx_identifier (cxx_pp, "typedef");
+ if ((flags & TFF_DECL_SPECIFIERS)
+ && !DECL_SELF_REFERENCE_P (t))
+ pp_cxx_ws_string (cxx_pp, "typedef");
dump_simple_decl (t, DECL_ORIGINAL_TYPE (t)
? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
flags);
case VAR_DECL:
if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
{
- pp_string (cxx_pp, "vtable for ");
+ pp_string (cxx_pp, M_("vtable for "));
gcc_assert (TYPE_P (DECL_CONTEXT (t)));
dump_type (DECL_CONTEXT (t), flags);
break;
break;
case RESULT_DECL:
- pp_string (cxx_pp, "<return value> ");
+ pp_string (cxx_pp, M_("<return value> "));
dump_simple_decl (t, TREE_TYPE (t), flags);
break;
dump_scope (CP_DECL_CONTEXT (t), flags);
flags &= ~TFF_UNQUALIFIED_NAME;
if (DECL_NAME (t) == NULL_TREE)
- pp_identifier (cxx_pp, "<unnamed>");
+ pp_cxx_ws_string (cxx_pp, M_("{anonymous}"));
else
pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
}
break;
case SCOPE_REF:
- pp_expression (cxx_pp, t);
+ dump_type (TREE_OPERAND (t, 0), flags);
+ pp_string (cxx_pp, "::");
+ dump_decl (TREE_OPERAND (t, 1), flags|TFF_UNQUALIFIED_NAME);
break;
case ARRAY_REF:
case IDENTIFIER_NODE:
if (IDENTIFIER_TYPENAME_P (t))
{
- pp_cxx_identifier (cxx_pp, "operator");
+ pp_cxx_ws_string (cxx_pp, "operator");
/* Not exactly IDENTIFIER_TYPE_VALUE. */
dump_type (TREE_TYPE (t), flags);
break;
case FUNCTION_DECL:
if (! DECL_LANG_SPECIFIC (t))
- pp_identifier (cxx_pp, "<built-in>");
+ pp_string (cxx_pp, M_("<built-in>"));
else if (DECL_GLOBAL_CTOR_P (t) || DECL_GLOBAL_DTOR_P (t))
dump_global_iord (t);
else
else if (DECL_INITIAL (t))
dump_expr (DECL_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
else
- pp_identifier (cxx_pp, "<enumerator>");
+ pp_string (cxx_pp, M_("<enumerator>"));
break;
case USING_DECL:
- pp_cxx_identifier (cxx_pp, "using");
+ pp_cxx_ws_string (cxx_pp, "using");
dump_type (USING_DECL_SCOPE (t), flags);
pp_cxx_colon_colon (cxx_pp);
dump_decl (DECL_NAME (t), flags);
break;
case UNBOUND_CLASS_TEMPLATE:
+ case TYPE_PACK_EXPANSION:
+ case TREE_BINFO:
dump_type (t, flags);
break;
/* Fall through to error. */
case ERROR_MARK:
- pp_identifier (cxx_pp, "<declaration error>");
+ pp_string (cxx_pp, M_("<declaration error>"));
break;
}
}
tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
int len = TREE_VEC_LENGTH (inner_parms);
- pp_cxx_identifier (cxx_pp, "template");
+ pp_cxx_ws_string (cxx_pp, "template");
pp_cxx_begin_template_argument_list (cxx_pp);
/* If we've shown the template prefix, we'd better show the
nreverse(orig_parms);
if (DECL_TEMPLATE_TEMPLATE_PARM_P (t))
- /* Say `template<arg> class TT' not just `template<arg> TT'. */
- pp_cxx_identifier (cxx_pp, "class");
+ {
+ /* Say `template<arg> class TT' not just `template<arg> TT'. */
+ pp_cxx_ws_string (cxx_pp, "class");
+
+ /* If this is a parameter pack, print the ellipsis. */
+ if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
+ pp_cxx_ws_string (cxx_pp, "...");
+ }
}
- if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
+ if (DECL_TEMPLATE_RESULT (t)
+ && TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
dump_type (TREE_TYPE (t),
((flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
| (flags & TFF_DECL_SPECIFIERS ? TFF_CLASS_KEY_OR_ENUM : 0)));
- else if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == VAR_DECL)
+ else if (DECL_TEMPLATE_RESULT (t)
+ && TREE_CODE (DECL_TEMPLATE_RESULT (t)) == VAR_DECL)
dump_decl (DECL_TEMPLATE_RESULT (t), flags | TFF_TEMPLATE_NAME);
else
{
}
}
+/* find_typenames looks through the type of the function template T
+ and returns a VEC containing any typedefs, decltypes or TYPENAME_TYPEs
+ it finds. */
+
+struct find_typenames_t
+{
+ struct pointer_set_t *p_set;
+ VEC (tree,gc) *typenames;
+};
+
+static tree
+find_typenames_r (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED, void *data)
+{
+ struct find_typenames_t *d = (struct find_typenames_t *)data;
+ tree mv = NULL_TREE;
+
+ if (TYPE_P (*tp) && is_typedef_decl (TYPE_NAME (*tp)))
+ /* Add the type of the typedef without any additional cv-quals. */
+ mv = TREE_TYPE (TYPE_NAME (*tp));
+ else if (TREE_CODE (*tp) == TYPENAME_TYPE
+ || TREE_CODE (*tp) == DECLTYPE_TYPE)
+ /* Add the typename without any cv-qualifiers. */
+ mv = TYPE_MAIN_VARIANT (*tp);
+
+ if (mv && (mv == *tp || !pointer_set_insert (d->p_set, mv)))
+ VEC_safe_push (tree, gc, d->typenames, mv);
+
+ /* Search into class template arguments, which cp_walk_subtrees
+ doesn't do. */
+ if (CLASS_TYPE_P (*tp) && CLASSTYPE_TEMPLATE_INFO (*tp))
+ cp_walk_tree (&CLASSTYPE_TI_ARGS (*tp), find_typenames_r,
+ data, d->p_set);
+
+ return NULL_TREE;
+}
+
+static VEC(tree,gc) *
+find_typenames (tree t)
+{
+ struct find_typenames_t ft;
+ ft.p_set = pointer_set_create ();
+ ft.typenames = NULL;
+ cp_walk_tree (&TREE_TYPE (DECL_TEMPLATE_RESULT (t)),
+ find_typenames_r, &ft, ft.p_set);
+ pointer_set_destroy (ft.p_set);
+ return ft.typenames;
+}
+
/* Pretty print a function decl. There are several ways we want to print a
function declaration. The TFF_ bits in FLAGS tells us how to behave.
As error can only apply the '#' flag once to give 0 and 1 for V, there
tree template_parms = NULL_TREE;
int show_return = flags & TFF_RETURN_TYPE || flags & TFF_DECL_SPECIFIERS;
int do_outer_scope = ! (flags & TFF_UNQUALIFIED_NAME);
+ tree exceptions;
+ VEC(tree,gc) *typenames = NULL;
+
+ if (DECL_NAME (t) && LAMBDA_FUNCTION_P (t))
+ {
+ /* A lambda's signature is essentially its "type", so defer. */
+ gcc_assert (LAMBDA_TYPE_P (DECL_CONTEXT (t)));
+ dump_type (DECL_CONTEXT (t), flags);
+ return;
+ }
flags &= ~TFF_UNQUALIFIED_NAME;
if (TREE_CODE (t) == TEMPLATE_DECL)
t = DECL_TEMPLATE_RESULT (t);
+ /* Save the exceptions, in case t is a specialization and we are
+ emitting an error about incompatible specifications. */
+ exceptions = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (t));
+
/* Pretty print template instantiations only. */
- if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t))
+ if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t)
+ && flag_pretty_templates)
{
tree tmpl;
{
template_parms = DECL_TEMPLATE_PARMS (tmpl);
t = tmpl;
+ typenames = find_typenames (t);
}
}
else if (TREE_CODE (fntype) == METHOD_TYPE)
cname = TREE_TYPE (TREE_VALUE (parmtypes));
- if (!(flags & TFF_DECL_SPECIFIERS))
- /* OK */;
- else if (DECL_STATIC_FUNCTION_P (t))
- pp_cxx_identifier (cxx_pp, "static");
- else if (DECL_VIRTUAL_P (t))
- pp_cxx_identifier (cxx_pp, "virtual");
+ if (flags & TFF_DECL_SPECIFIERS)
+ {
+ if (DECL_STATIC_FUNCTION_P (t))
+ pp_cxx_ws_string (cxx_pp, "static");
+ else if (DECL_VIRTUAL_P (t))
+ pp_cxx_ws_string (cxx_pp, "virtual");
+
+ if (DECL_DECLARED_CONSTEXPR_P (STRIP_TEMPLATE (t)))
+ pp_cxx_ws_string (cxx_pp, "constexpr");
+ }
/* Print the return type? */
if (show_return)
if (flags & TFF_EXCEPTION_SPECIFICATION)
{
pp_base (cxx_pp)->padding = pp_before;
- dump_exception_spec (TYPE_RAISES_EXCEPTIONS (fntype), flags);
+ dump_exception_spec (exceptions, flags);
}
if (show_return)
{
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_bracket (cxx_pp);
- pp_cxx_identifier (cxx_pp, "with");
+ pp_cxx_ws_string (cxx_pp, M_("with"));
pp_cxx_whitespace (cxx_pp);
- dump_template_bindings (template_parms, template_args);
+ dump_template_bindings (template_parms, template_args, typenames);
pp_cxx_right_bracket (cxx_pp);
}
}
dump_parameters (tree parmtypes, int flags)
{
int first = 1;
+ flags &= ~TFF_SCOPE;
pp_cxx_left_paren (cxx_pp);
for (first = 1; parmtypes != void_list_node;
first = 0;
if (!parmtypes)
{
- pp_cxx_identifier (cxx_pp, "...");
+ pp_cxx_ws_string (cxx_pp, "...");
break;
}
- if (ARGUMENT_PACK_P (TREE_VALUE (parmtypes)))
- {
- tree types = ARGUMENT_PACK_ARGS (TREE_VALUE (parmtypes));
- int i, len = TREE_VEC_LENGTH (types);
- first = 1;
- for (i = 0; i < len; ++i)
- {
- if (!first)
- pp_separate_with_comma (cxx_pp);
- first = 0;
-
- dump_type (TREE_VEC_ELT (types, i), flags);
- }
- }
- else
- dump_type (TREE_VALUE (parmtypes), flags);
+
+ dump_type (TREE_VALUE (parmtypes), flags);
if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && TREE_PURPOSE (parmtypes))
{
static void
dump_exception_spec (tree t, int flags)
{
- if (t)
+ if (t && TREE_PURPOSE (t))
+ {
+ pp_cxx_ws_string (cxx_pp, "noexcept");
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_PURPOSE (t), flags);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ else if (t)
{
- pp_cxx_identifier (cxx_pp, "throw");
+ pp_cxx_ws_string (cxx_pp, "throw");
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
if (TREE_VALUE (t) != NULL_TREE)
/* Don't let the user see __comp_ctor et al. */
if (DECL_CONSTRUCTOR_P (t)
|| DECL_DESTRUCTOR_P (t))
- name = constructor_name (DECL_CONTEXT (t));
+ {
+ if (LAMBDA_TYPE_P (DECL_CONTEXT (t)))
+ name = get_identifier ("<lambda>");
+ else
+ name = constructor_name (DECL_CONTEXT (t));
+ }
if (DECL_DESTRUCTOR_P (t))
{
declarations, both will have the same name, yet
the types will be different, hence the TREE_TYPE field
of the first name will be clobbered by the second. */
- pp_cxx_identifier (cxx_pp, "operator");
+ pp_cxx_ws_string (cxx_pp, "operator");
dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
}
- else if (IDENTIFIER_OPNAME_P (name))
+ else if (name && IDENTIFIER_OPNAME_P (name))
pp_cxx_tree_identifier (cxx_pp, name);
else
dump_decl (name, flags);
pp_cxx_begin_template_argument_list (cxx_pp);
/* Be careful only to print things when we have them, so as not
- to crash producing error messages. */
+ to crash producing error messages. */
if (args && !primary)
{
int len, ix;
+ len = get_non_default_template_args_count (args, flags);
- if (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (args))
- args = TREE_VEC_ELT (args, TREE_VEC_LENGTH (args) - 1);
-
- len = TREE_VEC_LENGTH (args);
-
+ args = INNERMOST_TEMPLATE_ARGS (args);
for (ix = 0; ix != len; ix++)
{
tree arg = TREE_VEC_ELT (args, ix);
pp_separate_with_comma (cxx_pp);
if (!arg)
- pp_identifier (cxx_pp, "<template parameter error>");
+ pp_string (cxx_pp, M_("<template parameter error>"));
else
dump_template_argument (arg, flags);
}
if (TREE_VEC_ELT (parms, ix) == error_mark_node)
{
- pp_identifier (cxx_pp, "<template parameter error>");
+ pp_string (cxx_pp, M_("<template parameter error>"));
continue;
}
if (t == 0)
return;
+ if (STATEMENT_CLASS_P (t))
+ {
+ pp_cxx_ws_string (cxx_pp, M_("<statement>"));
+ return;
+ }
+
switch (TREE_CODE (t))
{
case VAR_DECL:
case NAMESPACE_DECL:
case LABEL_DECL:
case OVERLOAD:
+ case TYPE_DECL:
case IDENTIFIER_NODE:
dump_decl (t, (flags & ~TFF_DECL_SPECIFIERS) | TFF_NO_FUNCTION_ARGUMENTS);
break;
break;
case THROW_EXPR:
- pp_cxx_identifier (cxx_pp, "throw");
- dump_expr (TREE_OPERAND (t, 0), flags);
+ /* While waiting for caret diagnostics, avoid printing
+ __cxa_allocate_exception, __cxa_throw, and the like. */
+ pp_cxx_ws_string (cxx_pp, M_("<throw-expression>"));
break;
case PTRMEM_CST:
case SAVE_EXPR:
if (TREE_HAS_CONSTRUCTOR (t))
{
- pp_cxx_identifier (cxx_pp, "new");
+ pp_cxx_ws_string (cxx_pp, "new");
pp_cxx_whitespace (cxx_pp);
dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
}
if (TREE_CODE (fn) == OBJ_TYPE_REF)
fn = resolve_virtual_fun_from_obj_type_ref (fn);
- if (TREE_TYPE (fn) != NULL_TREE && NEXT_CODE (fn) == METHOD_TYPE)
+ if (TREE_TYPE (fn) != NULL_TREE
+ && NEXT_CODE (fn) == METHOD_TYPE
+ && call_expr_nargs (t))
{
tree ob = CALL_EXPR_ARG (t, 0);
if (TREE_CODE (ob) == ADDR_EXPR)
}
break;
- case NEW_EXPR:
- {
- tree type = TREE_OPERAND (t, 1);
- tree init = TREE_OPERAND (t, 2);
- if (NEW_EXPR_USE_GLOBAL (t))
- pp_cxx_colon_colon (cxx_pp);
- pp_cxx_identifier (cxx_pp, "new");
- if (TREE_OPERAND (t, 0))
- {
- pp_cxx_left_paren (cxx_pp);
- dump_expr_list (TREE_OPERAND (t, 0), flags);
- pp_cxx_right_paren (cxx_pp);
- pp_cxx_whitespace (cxx_pp);
- }
- if (TREE_CODE (type) == ARRAY_REF)
- type = build_cplus_array_type
- (TREE_OPERAND (type, 0),
- build_index_type (fold_build2 (MINUS_EXPR, integer_type_node,
- TREE_OPERAND (type, 1),
- integer_one_node)));
- dump_type (type, flags);
- if (init)
- {
- pp_cxx_left_paren (cxx_pp);
- if (TREE_CODE (init) == TREE_LIST)
- dump_expr_list (init, flags);
- else if (init == void_zero_node)
- /* This representation indicates an empty initializer,
- e.g.: "new int()". */
- ;
- else
- dump_expr (init, flags);
- pp_cxx_right_paren (cxx_pp);
- }
- }
- break;
-
case TARGET_EXPR:
/* Note that this only works for G++ target exprs. If somebody
builds a general TARGET_EXPR, there's no way to represent that
case POSTINCREMENT_EXPR:
pp_cxx_left_paren (cxx_pp);
dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
- pp_cxx_identifier (cxx_pp, operator_name_info[(int)TREE_CODE (t)].name);
+ pp_cxx_ws_string (cxx_pp, operator_name_info[(int)TREE_CODE (t)].name);
pp_cxx_right_paren (cxx_pp);
break;
dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
break;
- case NOP_EXPR:
- case CONVERT_EXPR:
+ CASE_CONVERT:
+ case VIEW_CONVERT_EXPR:
{
tree op = TREE_OPERAND (t, 0);
-
- if (!same_type_p (TREE_TYPE (op), TREE_TYPE (t)))
+ tree ttype = TREE_TYPE (t);
+ tree optype = TREE_TYPE (op);
+
+ if (TREE_CODE (ttype) != TREE_CODE (optype)
+ && POINTER_TYPE_P (ttype)
+ && POINTER_TYPE_P (optype)
+ && same_type_p (TREE_TYPE (optype),
+ TREE_TYPE (ttype)))
+ {
+ if (TREE_CODE (ttype) == REFERENCE_TYPE)
+ dump_unary_op ("*", t, flags);
+ else
+ dump_unary_op ("&", t, flags);
+ }
+ else if (!same_type_p (TREE_TYPE (op), TREE_TYPE (t)))
{
/* It is a cast, but we cannot tell whether it is a
reinterpret or static cast. Use the C style notation. */
dump_decl (TEMPLATE_PARM_DECL (t), flags & ~TFF_DECL_SPECIFIERS);
break;
- case SCOPE_REF:
- pp_expression (cxx_pp, t);
- break;
-
case CAST_EXPR:
if (TREE_OPERAND (t, 0) == NULL_TREE
|| TREE_CHAIN (TREE_OPERAND (t, 0)))
break;
case STATIC_CAST_EXPR:
- pp_cxx_identifier (cxx_pp, "static_cast");
+ pp_cxx_ws_string (cxx_pp, "static_cast");
goto cast;
case REINTERPRET_CAST_EXPR:
- pp_cxx_identifier (cxx_pp, "reinterpret_cast");
+ pp_cxx_ws_string (cxx_pp, "reinterpret_cast");
goto cast;
case CONST_CAST_EXPR:
- pp_cxx_identifier (cxx_pp, "const_cast");
+ pp_cxx_ws_string (cxx_pp, "const_cast");
goto cast;
case DYNAMIC_CAST_EXPR:
- pp_cxx_identifier (cxx_pp, "dynamic_cast");
+ pp_cxx_ws_string (cxx_pp, "dynamic_cast");
cast:
pp_cxx_begin_template_argument_list (cxx_pp);
dump_type (TREE_TYPE (t), flags);
case SIZEOF_EXPR:
case ALIGNOF_EXPR:
if (TREE_CODE (t) == SIZEOF_EXPR)
- pp_cxx_identifier (cxx_pp, "sizeof");
+ pp_cxx_ws_string (cxx_pp, "sizeof");
else
{
gcc_assert (TREE_CODE (t) == ALIGNOF_EXPR);
- pp_cxx_identifier (cxx_pp, "__alignof__");
+ pp_cxx_ws_string (cxx_pp, "__alignof__");
}
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
pp_cxx_right_paren (cxx_pp);
break;
+ case AT_ENCODE_EXPR:
+ pp_cxx_ws_string (cxx_pp, "@encode");
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_type (TREE_OPERAND (t, 0), flags);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case NOEXCEPT_EXPR:
+ pp_cxx_ws_string (cxx_pp, "noexcept");
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
case REALPART_EXPR:
case IMAGPART_EXPR:
- pp_cxx_identifier (cxx_pp, operator_name_info[TREE_CODE (t)].name);
+ pp_cxx_ws_string (cxx_pp, operator_name_info[TREE_CODE (t)].name);
pp_cxx_whitespace (cxx_pp);
dump_expr (TREE_OPERAND (t, 0), flags);
break;
case DEFAULT_ARG:
- pp_identifier (cxx_pp, "<unparsed>");
+ pp_string (cxx_pp, M_("<unparsed>"));
break;
case TRY_CATCH_EXPR:
case BIND_EXPR:
case STMT_EXPR:
+ case EXPR_STMT:
case STATEMENT_LIST:
/* We don't yet have a way of dumping statements in a
human-readable format. */
dump_expr (TREE_OPERAND (t, 0), flags);
break;
- case EXPR_PACK_EXPANSION:
- dump_expr (PACK_EXPANSION_PATTERN (t), flags);
- pp_cxx_identifier (cxx_pp, "...");
+ case ARGUMENT_PACK_SELECT:
+ dump_template_argument (ARGUMENT_PACK_SELECT_FROM_PACK (t), flags);
break;
case RECORD_TYPE:
pp_cxx_trait_expression (cxx_pp, t);
break;
+ case VA_ARG_EXPR:
+ pp_cxx_va_arg_expression (cxx_pp, t);
+ break;
+
+ case OFFSETOF_EXPR:
+ pp_cxx_offsetof_expression (cxx_pp, t);
+ break;
+
+ case SCOPE_REF:
+ dump_decl (t, flags);
+ break;
+
+ case EXPR_PACK_EXPANSION:
case TYPEID_EXPR:
- pp_cxx_typeid_expression (cxx_pp, t);
+ case MEMBER_REF:
+ case DOTSTAR_EXPR:
+ case NEW_EXPR:
+ case VEC_NEW_EXPR:
+ case DELETE_EXPR:
+ case VEC_DELETE_EXPR:
+ case MODOP_EXPR:
+ case ABS_EXPR:
+ case CONJ_EXPR:
+ case VECTOR_CST:
+ case FIXED_CST:
+ case UNORDERED_EXPR:
+ case ORDERED_EXPR:
+ case UNLT_EXPR:
+ case UNLE_EXPR:
+ case UNGT_EXPR:
+ case UNGE_EXPR:
+ case UNEQ_EXPR:
+ case LTGT_EXPR:
+ case COMPLEX_EXPR:
+ case BIT_FIELD_REF:
+ case FIX_TRUNC_EXPR:
+ case FLOAT_EXPR:
+ pp_expression (cxx_pp, t);
+ break;
+
+ case TRUTH_AND_EXPR:
+ case TRUTH_OR_EXPR:
+ case TRUTH_XOR_EXPR:
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_left_paren (cxx_pp);
+ pp_expression (cxx_pp, t);
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case OBJ_TYPE_REF:
+ dump_expr (resolve_virtual_fun_from_obj_type_ref (t), flags);
break;
/* This list is incomplete, but should suffice for now.
pp_unsupported_tree (cxx_pp, t);
/* fall through to ERROR_MARK... */
case ERROR_MARK:
- pp_identifier (cxx_pp, "<expression error>");
+ pp_string (cxx_pp, M_("<expression error>"));
break;
}
}
dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
pp_cxx_whitespace (cxx_pp);
if (opstring)
- pp_cxx_identifier (cxx_pp, opstring);
+ pp_cxx_ws_string (cxx_pp, opstring);
else
- pp_identifier (cxx_pp, "<unknown operator>");
+ pp_string (cxx_pp, M_("<unknown operator>"));
pp_cxx_whitespace (cxx_pp);
dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
pp_cxx_right_paren (cxx_pp);
{
if (flags & TFF_EXPR_IN_PARENS)
pp_cxx_left_paren (cxx_pp);
- pp_cxx_identifier (cxx_pp, opstring);
+ pp_cxx_ws_string (cxx_pp, opstring);
dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
if (flags & TFF_EXPR_IN_PARENS)
pp_cxx_right_paren (cxx_pp);
pp_base (cxx_pp)->padding = pp_none;
pp_indentation (cxx_pp) = 0;
pp_needs_newline (cxx_pp) = false;
- cxx_pp->enclosing_scope = 0;
+ cxx_pp->enclosing_scope = current_function_decl;
}
type_as_string (tree typ, int flags)
{
reinit_cxx_pp ();
+ pp_translate_identifiers (cxx_pp) = false;
+ dump_type (typ, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+const char *
+type_as_string_translate (tree typ, int flags)
+{
+ reinit_cxx_pp ();
dump_type (typ, flags);
return pp_formatted_text (cxx_pp);
}
expr_as_string (tree decl, int flags)
{
reinit_cxx_pp ();
+ pp_translate_identifiers (cxx_pp) = false;
dump_expr (decl, flags);
return pp_formatted_text (cxx_pp);
}
decl_as_string (tree decl, int flags)
{
reinit_cxx_pp ();
+ pp_translate_identifiers (cxx_pp) = false;
+ dump_decl (decl, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+const char *
+decl_as_string_translate (tree decl, int flags)
+{
+ reinit_cxx_pp ();
dump_decl (decl, flags);
return pp_formatted_text (cxx_pp);
}
/* Generate the three forms of printable names for cxx_printable_name. */
const char *
-lang_decl_name (tree decl, int v)
+lang_decl_name (tree decl, int v, bool translate)
{
if (v >= 2)
- return decl_as_string (decl, TFF_DECL_SPECIFIERS);
+ return (translate
+ ? decl_as_string_translate (decl, TFF_DECL_SPECIFIERS)
+ : decl_as_string (decl, TFF_DECL_SPECIFIERS));
reinit_cxx_pp ();
- if (v == 1 && DECL_CLASS_SCOPE_P (decl))
+ pp_translate_identifiers (cxx_pp) = translate;
+ if (v == 1
+ && (DECL_CLASS_SCOPE_P (decl)
+ || (DECL_NAMESPACE_SCOPE_P (decl)
+ && CP_DECL_CONTEXT (decl) != global_namespace)))
{
dump_type (CP_DECL_CONTEXT (decl), TFF_PLAIN_IDENTIFIER);
pp_cxx_colon_colon (cxx_pp);
else if (TREE_CODE (t) == OVERLOAD)
t = OVL_FUNCTION (t);
- return DECL_SOURCE_LOCATION (t);
+ if (DECL_P (t))
+ return DECL_SOURCE_LOCATION (t);
+ return EXPR_LOC_OR_HERE (t);
}
/* Now the interfaces from error et al to dump_type et al. Each takes an
op_to_string (enum tree_code p)
{
tree id = operator_name_info[(int) p].identifier;
- return id ? IDENTIFIER_POINTER (id) : "<unknown>";
+ return id ? IDENTIFIER_POINTER (id) : M_("<unknown>");
}
static const char *
assop_to_string (enum tree_code p)
{
tree id = assignment_operator_name_info[(int) p].identifier;
- return id ? IDENTIFIER_POINTER (id) : "{unknown}";
+ return id ? IDENTIFIER_POINTER (id) : M_("{unknown}");
}
static const char *
return "";
if (TYPE_P (TREE_VALUE (p)))
- return type_as_string (p, flags);
+ return type_as_string_translate (p, flags);
reinit_cxx_pp ();
for (; p; p = TREE_CHAIN (p))
{
if (TREE_VALUE (p) == null_node)
- pp_cxx_identifier (cxx_pp, "NULL");
+ pp_cxx_ws_string (cxx_pp, "NULL");
else
dump_type (error_type (TREE_VALUE (p)), flags);
if (TREE_CHAIN (p))
/* Langhook for print_error_function. */
void
-cxx_print_error_function (diagnostic_context *context, const char *file)
+cxx_print_error_function (diagnostic_context *context, const char *file,
+ diagnostic_info *diagnostic)
{
- lhd_print_error_function (context, file);
+ lhd_print_error_function (context, file, diagnostic);
pp_base_set_prefix (context->printer, file);
maybe_print_instantiation_context (context);
}
diagnostic_report_current_module (context);
cp_print_error_function (context, diagnostic);
maybe_print_instantiation_context (context);
- pp_base_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
+ maybe_print_constexpr_context (context);
+ pp_base_set_prefix (context->printer, diagnostic_build_prefix (context,
+ diagnostic));
}
static void
cp_print_error_function (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- if (diagnostic_last_function_changed (context))
+ if (diagnostic_last_function_changed (context, diagnostic))
{
const char *old_prefix = context->printer->prefix;
const char *file = LOCATION_FILE (diagnostic->location);
- char *new_prefix = file ? file_name_as_prefix (file) : NULL;
+ tree abstract_origin = diagnostic_abstract_origin (diagnostic);
+ char *new_prefix = (file && abstract_origin == NULL)
+ ? file_name_as_prefix (file) : NULL;
pp_base_set_prefix (context->printer, new_prefix);
if (current_function_decl == NULL)
- pp_base_string (context->printer, "At global scope:");
+ pp_base_string (context->printer, _("At global scope:"));
else
- pp_printf (context->printer, "In %s %qs:",
- function_category (current_function_decl),
- cxx_printable_name (current_function_decl, 2));
+ {
+ tree fndecl, ao;
+
+ if (abstract_origin)
+ {
+ ao = BLOCK_ABSTRACT_ORIGIN (abstract_origin);
+ while (TREE_CODE (ao) == BLOCK
+ && BLOCK_ABSTRACT_ORIGIN (ao)
+ && BLOCK_ABSTRACT_ORIGIN (ao) != ao)
+ ao = BLOCK_ABSTRACT_ORIGIN (ao);
+ gcc_assert (TREE_CODE (ao) == FUNCTION_DECL);
+ fndecl = ao;
+ }
+ else
+ fndecl = current_function_decl;
+
+ pp_printf (context->printer, function_category (fndecl),
+ cxx_printable_name_translate (fndecl, 2));
+
+ while (abstract_origin)
+ {
+ location_t *locus;
+ tree block = abstract_origin;
+
+ locus = &BLOCK_SOURCE_LOCATION (block);
+ fndecl = NULL;
+ block = BLOCK_SUPERCONTEXT (block);
+ while (block && TREE_CODE (block) == BLOCK
+ && BLOCK_ABSTRACT_ORIGIN (block))
+ {
+ ao = BLOCK_ABSTRACT_ORIGIN (block);
+
+ while (TREE_CODE (ao) == BLOCK
+ && BLOCK_ABSTRACT_ORIGIN (ao)
+ && BLOCK_ABSTRACT_ORIGIN (ao) != ao)
+ ao = BLOCK_ABSTRACT_ORIGIN (ao);
+
+ if (TREE_CODE (ao) == FUNCTION_DECL)
+ {
+ fndecl = ao;
+ break;
+ }
+ else if (TREE_CODE (ao) != BLOCK)
+ break;
+
+ block = BLOCK_SUPERCONTEXT (block);
+ }
+ if (fndecl)
+ abstract_origin = block;
+ else
+ {
+ while (block && TREE_CODE (block) == BLOCK)
+ block = BLOCK_SUPERCONTEXT (block);
+
+ if (block && TREE_CODE (block) == FUNCTION_DECL)
+ fndecl = block;
+ abstract_origin = NULL;
+ }
+ if (fndecl)
+ {
+ expanded_location s = expand_location (*locus);
+ pp_base_character (context->printer, ',');
+ pp_base_newline (context->printer);
+ if (s.file != NULL)
+ {
+ if (context->show_column && s.column != 0)
+ pp_printf (context->printer,
+ _(" inlined from %qs at %s:%d:%d"),
+ cxx_printable_name_translate (fndecl, 2),
+ s.file, s.line, s.column);
+ else
+ pp_printf (context->printer,
+ _(" inlined from %qs at %s:%d"),
+ cxx_printable_name_translate (fndecl, 2),
+ s.file, s.line);
+
+ }
+ else
+ pp_printf (context->printer, _(" inlined from %qs"),
+ cxx_printable_name_translate (fndecl, 2));
+ }
+ }
+ pp_base_character (context->printer, ':');
+ }
pp_base_newline (context->printer);
- diagnostic_set_last_function (context);
+ diagnostic_set_last_function (context, diagnostic);
pp_base_destroy_prefix (context->printer);
context->printer->prefix = old_prefix;
}
}
-/* Returns a description of FUNCTION using standard terminology. */
+/* Returns a description of FUNCTION using standard terminology. The
+ result is a format string of the form "In CATEGORY %qs". */
static const char *
function_category (tree fn)
{
- if (DECL_FUNCTION_MEMBER_P (fn))
+ /* We can get called from the middle-end for diagnostics of function
+ clones. Make sure we have language specific information before
+ dereferencing it. */
+ if (DECL_LANG_SPECIFIC (STRIP_TEMPLATE (fn))
+ && DECL_FUNCTION_MEMBER_P (fn))
{
if (DECL_STATIC_FUNCTION_P (fn))
- return "static member function";
+ return _("In static member function %qs");
else if (DECL_COPY_CONSTRUCTOR_P (fn))
- return "copy constructor";
+ return _("In copy constructor %qs");
else if (DECL_CONSTRUCTOR_P (fn))
- return "constructor";
+ return _("In constructor %qs");
else if (DECL_DESTRUCTOR_P (fn))
- return "destructor";
+ return _("In destructor %qs");
+ else if (LAMBDA_FUNCTION_P (fn))
+ return _("In lambda function");
else
- return "member function";
+ return _("In member function %qs");
}
else
- return "function";
+ return _("In function %qs");
}
/* Report the full context of a current template instantiation,
/* Avoid redundancy with the "In function" line. */;
else
pp_verbatim (context->printer,
- "%s: In instantiation of %qs:\n",
+ _("%s: In instantiation of %qs:\n"),
LOCATION_FILE (location),
- decl_as_string (p->decl,
- TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
+ decl_as_string_translate (p->decl,
+ TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
location = p->locus;
p = p->next;
print_instantiation_partial_context (context, p, location);
}
-/* Same as above but less verbose. */
+/* Helper function of print_instantiation_partial_context() that
+ prints a single line of instantiation context. */
+
static void
-print_instantiation_partial_context (diagnostic_context *context,
- struct tinst_level *t, location_t loc)
+print_instantiation_partial_context_line (diagnostic_context *context,
+ const struct tinst_level *t,
+ location_t loc, bool recursive_p)
{
expanded_location xloc;
- for (; ; t = t->next)
+ xloc = expand_location (loc);
+
+ if (t != NULL)
{
- xloc = expand_location (loc);
- if (t == NULL)
- break;
- pp_verbatim (context->printer, "%s:%d: instantiated from %qs\n",
- xloc.file, xloc.line,
- decl_as_string (t->decl,
- TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
+ const char *str;
+ str = decl_as_string_translate (t->decl,
+ TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE);
+ if (context->show_column)
+ pp_verbatim (context->printer,
+ recursive_p
+ ? _("%s:%d:%d: recursively instantiated from %qs\n")
+ : _("%s:%d:%d: instantiated from %qs\n"),
+ xloc.file, xloc.line, xloc.column, str);
+ else
+ pp_verbatim (context->printer,
+ recursive_p
+ ? _("%s:%d: recursively instantiated from %qs\n")
+ : _("%s:%d: recursively instantiated from %qs\n"),
+ xloc.file, xloc.line, str);
+ }
+ else
+ {
+ if (context->show_column)
+ pp_verbatim (context->printer,
+ recursive_p
+ ? _("%s:%d:%d: recursively instantiated from here")
+ : _("%s:%d:%d: instantiated from here"),
+ xloc.file, xloc.line, xloc.column);
+ else
+ pp_verbatim (context->printer,
+ recursive_p
+ ? _("%s:%d: recursively instantiated from here")
+ : _("%s:%d: instantiated from here"),
+ xloc.file, xloc.line);
+ }
+}
+
+/* Same as print_instantiation_full_context but less verbose. */
+
+static void
+print_instantiation_partial_context (diagnostic_context *context,
+ struct tinst_level *t0, location_t loc)
+{
+ struct tinst_level *t;
+ int n_total = 0;
+ int n;
+ location_t prev_loc = loc;
+
+ for (t = t0; t != NULL; t = t->next)
+ if (prev_loc != t->locus)
+ {
+ prev_loc = t->locus;
+ n_total++;
+ }
+
+ t = t0;
+
+ if (n_total >= 12)
+ {
+ int skip = n_total - 10;
+ for (n = 0; n < 5; n++)
+ {
+ gcc_assert (t != NULL);
+ if (loc != t->locus)
+ print_instantiation_partial_context_line (context, t, loc,
+ /*recursive_p=*/false);
+ loc = t->locus;
+ t = t->next;
+ }
+ if (t != NULL && skip > 1)
+ {
+ expanded_location xloc;
+ xloc = expand_location (loc);
+ if (context->show_column)
+ pp_verbatim (context->printer,
+ _("%s:%d:%d: [ skipping %d instantiation contexts ]\n"),
+ xloc.file, xloc.line, xloc.column, skip);
+ else
+ pp_verbatim (context->printer,
+ _("%s:%d: [ skipping %d instantiation contexts ]\n"),
+ xloc.file, xloc.line, skip);
+
+ do {
+ loc = t->locus;
+ t = t->next;
+ } while (t != NULL && --skip > 0);
+ }
+ }
+
+ while (t != NULL)
+ {
+ while (t->next != NULL && t->locus == t->next->locus)
+ {
+ loc = t->locus;
+ t = t->next;
+ }
+ print_instantiation_partial_context_line (context, t, loc,
+ t->locus == loc);
loc = t->locus;
+ t = t->next;
}
- pp_verbatim (context->printer, "%s:%d: instantiated from here",
- xloc.file, xloc.line);
+ print_instantiation_partial_context_line (context, NULL, loc,
+ /*recursive_p=*/false);
pp_base_newline (context->printer);
}
diagnostic_flush_buffer (global_dc);
}
\f
+/* Report what constexpr call(s) we're trying to expand, if any. */
+
+void
+maybe_print_constexpr_context (diagnostic_context *context)
+{
+ VEC(tree,heap) *call_stack = cx_error_context ();
+ unsigned ix;
+ tree t;
+
+ FOR_EACH_VEC_ELT (tree, call_stack, ix, t)
+ {
+ expanded_location xloc = expand_location (EXPR_LOCATION (t));
+ const char *s = expr_as_string (t, 0);
+ if (context->show_column)
+ pp_verbatim (context->printer,
+ _("%s:%d:%d: in constexpr expansion of %qs"),
+ xloc.file, xloc.line, xloc.column, s);
+ else
+ pp_verbatim (context->printer,
+ _("%s:%d: in constexpr expansion of %qs"),
+ xloc.file, xloc.line, s);
+ pp_base_newline (context->printer);
+ }
+}
+\f
/* Called from output_format -- during diagnostic message processing --
to handle C++ specific format specifier with the following meanings:
%A function argument-list.
const char *result;
tree t = NULL;
#define next_tree (t = va_arg (*text->args_ptr, tree))
-#define next_tcode va_arg (*text->args_ptr, enum tree_code)
-#define next_lang va_arg (*text->args_ptr, enum languages)
+#define next_tcode ((enum tree_code) va_arg (*text->args_ptr, int))
+#define next_lang ((enum languages) va_arg (*text->args_ptr, int))
#define next_int va_arg (*text->args_ptr, int)
if (precision != 0 || wide)
case 'T': result = type_to_string (next_tree, verbose); break;
case 'V': result = cv_to_string (next_tree, verbose); break;
+ case 'K':
+ percent_K_format (text);
+ return true;
+
default:
return false;
}
#undef next_int
}
\f
-/* Callback from cpp_error for PFILE to print diagnostics arising from
- interpreting strings. The diagnostic is of type LEVEL; MSG is the
- translated message and AP the arguments. */
-
+/* Warn about the use of C++0x features when appropriate. */
void
-cp_cpp_error (cpp_reader *pfile ATTRIBUTE_UNUSED, int level,
- const char *msg, va_list *ap)
+maybe_warn_cpp0x (cpp0x_warn_str str)
{
- diagnostic_info diagnostic;
- diagnostic_t dlevel;
- switch (level)
- {
- case CPP_DL_WARNING:
- case CPP_DL_WARNING_SYSHDR:
- dlevel = DK_WARNING;
- break;
- case CPP_DL_PEDWARN:
- dlevel = pedantic_error_kind ();
- break;
- case CPP_DL_ERROR:
- dlevel = DK_ERROR;
- break;
- case CPP_DL_ICE:
- dlevel = DK_ICE;
- break;
- default:
- gcc_unreachable ();
- }
- diagnostic_set_info_translated (&diagnostic, msg, ap,
- input_location, dlevel);
- report_diagnostic (&diagnostic);
+ if ((cxx_dialect == cxx98) && !in_system_header)
+ /* We really want to suppress this warning in system headers,
+ because libstdc++ uses variadic templates even when we aren't
+ in C++0x mode. */
+ switch (str)
+ {
+ case CPP0X_INITIALIZER_LISTS:
+ pedwarn (input_location, 0,
+ "extended initializer lists "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_EXPLICIT_CONVERSION:
+ pedwarn (input_location, 0,
+ "explicit conversion operators "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_VARIADIC_TEMPLATES:
+ pedwarn (input_location, 0,
+ "variadic templates "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_LAMBDA_EXPR:
+ pedwarn (input_location, 0,
+ "lambda expressions "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_AUTO:
+ pedwarn (input_location, 0,
+ "C++0x auto only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_SCOPED_ENUMS:
+ pedwarn (input_location, 0,
+ "scoped enums only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_DEFAULTED_DELETED:
+ pedwarn (input_location, 0,
+ "defaulted and deleted functions "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ case CPP0X_INLINE_NAMESPACES:
+ pedwarn (input_location, OPT_pedantic,
+ "inline namespaces "
+ "only available with -std=c++0x or -std=gnu++0x");
+ break;
+ default:
+ gcc_unreachable();
+ }
}
/* Warn about the use of variadic templates when appropriate. */
void
maybe_warn_variadic_templates (void)
{
- if ((cxx_dialect == cxx98) && !in_system_header)
- /* We really want to suppress this warning in system headers,
- because libstdc++ uses variadic templates even when we aren't
- in C++0x mode. */
- pedwarn ("ISO C++ does not include variadic templates");
+ maybe_warn_cpp0x (CPP0X_VARIADIC_TEMPLATES);
+}
+
+
+/* Issue an ISO C++98 pedantic warning at LOCATION, conditional on
+ option OPT with text GMSGID. Use this function to report
+ diagnostics for constructs that are invalid C++98, but valid
+ C++0x. */
+bool
+pedwarn_cxx98 (location_t location, int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
+ (cxx_dialect == cxx98) ? DK_PEDWARN : DK_WARNING);
+ diagnostic.option_index = opt;
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
}