/* 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.
+ 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
static void maybe_print_instantiation_context (diagnostic_context *);
static void print_instantiation_full_context (diagnostic_context *);
static void print_instantiation_partial_context (diagnostic_context *,
- tree, location_t);
+ struct tinst_level *,
+ location_t);
static void cp_diagnostic_starter (diagnostic_context *, diagnostic_info *);
static void cp_diagnostic_finalizer (diagnostic_context *, diagnostic_info *);
static void cp_print_error_function (diagnostic_context *, diagnostic_info *);
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);
+ }
}
/* Dump a template-argument-list ARGS (always a TREE_VEC) under control
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_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;
default:
pp_cxx_whitespace (cxx_pp);
pp_cxx_left_paren (cxx_pp);
}
- pp_character (cxx_pp, "&*"[TREE_CODE (t) == POINTER_TYPE]);
+ if (TREE_CODE (t) == POINTER_TYPE)
+ pp_character(cxx_pp, '*');
+ else if (TREE_CODE (t) == REFERENCE_TYPE)
+ {
+ if (TYPE_REF_IS_RVALUE (t))
+ pp_string (cxx_pp, "&&");
+ else
+ pp_character (cxx_pp, '&');
+ }
pp_base (cxx_pp)->padding = pp_before;
pp_cxx_cv_qualifier_seq (cxx_pp, t);
}
case COMPLEX_TYPE:
case VECTOR_TYPE:
case TYPEOF_TYPE:
+ case DECLTYPE_TYPE:
+ case TYPE_PACK_EXPANSION:
dump_type (t, flags);
pp_base (cxx_pp)->padding = pp_before;
break;
case COMPLEX_TYPE:
case VECTOR_TYPE:
case TYPEOF_TYPE:
+ case DECLTYPE_TYPE:
+ case TYPE_PACK_EXPANSION:
break;
default:
|| 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_identifier (cxx_pp, "...");
if (DECL_NAME (t))
dump_decl (DECL_NAME (t), flags);
else
{
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_identifier (cxx_pp, "class");
+
+ /* Emit the `...' for a parameter pack. */
+ if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
+ pp_cxx_identifier (cxx_pp, "...");
+ }
dump_type (TREE_TYPE (t), flags);
break;
pp_type_id (cxx_pp, t);
break;
+ case UNBOUND_CLASS_TEMPLATE:
+ case TYPE_PACK_EXPANSION:
+ case TREE_BINFO:
+ dump_type (t, flags);
+ break;
+
default:
pp_unsupported_tree (cxx_pp, t);
/* Fall through to error. */
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_identifier (cxx_pp, "class");
+
+ /* If this is a parameter pack, print the ellipsis. */
+ if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
+ pp_cxx_identifier (cxx_pp, "...");
+ }
}
if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
pp_cxx_identifier (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))
{
resolve_virtual_fun_from_obj_type_ref (tree ref)
{
tree obj_type = TREE_TYPE (OBJ_TYPE_REF_OBJECT (ref));
- int index = tree_low_cst (OBJ_TYPE_REF_TOKEN (ref), 1);
+ HOST_WIDE_INT index = tree_low_cst (OBJ_TYPE_REF_TOKEN (ref), 1);
tree fun = BINFO_VIRTUALS (TYPE_BINFO (TREE_TYPE (obj_type)));
- while (index--)
+ while (index)
+ {
fun = TREE_CHAIN (fun);
+ index -= (TARGET_VTABLE_USES_DESCRIPTORS
+ ? TARGET_VTABLE_USES_DESCRIPTORS : 1);
+ }
return BV_FN (fun);
}
if (t == 0)
return;
+ if (STATEMENT_CLASS_P (t))
+ {
+ pp_cxx_identifier (cxx_pp, "<statement>");
+ return;
+ }
+
switch (TREE_CODE (t))
{
case VAR_DECL:
case INTEGER_CST:
case REAL_CST:
case STRING_CST:
+ case COMPLEX_CST:
pp_constant (cxx_pp, t);
break;
else
dump_expr (AGGR_INIT_EXPR_FN (t), 0);
}
- dump_aggr_init_expr_args (t, flags, false);
+ dump_aggr_init_expr_args (t, flags, true);
break;
case CALL_EXPR:
if (TREE_CODE (ob) == ADDR_EXPR)
{
dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
- pp_dot (cxx_pp);
+ pp_cxx_dot (cxx_pp);
}
else if (TREE_CODE (ob) != PARM_DECL
|| strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
{
dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
- pp_arrow (cxx_pp);
+ pp_cxx_arrow (cxx_pp);
}
skipfirst = true;
}
dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
break;
+ case POINTER_PLUS_EXPR:
+ dump_binary_op ("+", t, flags);
+ break;
+
case INIT_EXPR:
case MODIFY_EXPR:
case PLUS_EXPR:
case NOP_EXPR:
case CONVERT_EXPR:
+ case VIEW_CONVERT_EXPR:
{
tree op = TREE_OPERAND (t, 0);
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)))
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_id_expression (cxx_pp, t);
break;
+ case TEMPLATE_TYPE_PARM:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ dump_type (t, flags);
+ break;
+
+ case TRAIT_EXPR:
+ 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:
+ case EXPR_PACK_EXPANSION:
+ case TYPEID_EXPR:
+ case MEMBER_REF:
+ case DOTSTAR_EXPR:
+ case DELETE_EXPR:
+ case VEC_DELETE_EXPR:
+ case MODOP_EXPR:
+ case ABS_EXPR:
+ case VECTOR_CST:
+ pp_expression (cxx_pp, t);
+ 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.
It is very important that `sorry' does not call
`report_error_function'. That could cause an infinite loop. */
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;
}
/* 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);
}
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;
+ 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:");
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))
+ ao = BLOCK_ABSTRACT_ORIGIN (ao);
+ gcc_assert (TREE_CODE (ao) == FUNCTION_DECL);
+ fndecl = ao;
+ }
+ else
+ fndecl = current_function_decl;
+
+ pp_printf (context->printer, "In %s %qs",
+ function_category (fndecl),
+ cxx_printable_name (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 (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)
+ {
+#ifdef USE_MAPPED_LOCATION
+ if (flag_show_column && s.column != 0)
+ pp_printf (context->printer,
+ " inlined from %qs at %s:%d:%d",
+ cxx_printable_name (fndecl, 2),
+ s.file, s.line, s.column);
+ else
+#endif
+ pp_printf (context->printer,
+ " inlined from %qs at %s:%d",
+ cxx_printable_name (fndecl, 2),
+ s.file, s.line);
+
+ }
+ else
+ pp_printf (context->printer, " inlined from %qs",
+ cxx_printable_name (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;
}
static void
print_instantiation_full_context (diagnostic_context *context)
{
- tree p = current_instantiation ();
+ struct tinst_level *p = current_instantiation ();
location_t location = input_location;
if (p)
{
- if (current_function_decl != TINST_DECL (p)
+ if (current_function_decl != p->decl
&& current_function_decl != NULL_TREE)
/* We can get here during the processing of some synthesized
- method. Then, TINST_DECL (p) will be the function that's causing
+ method. Then, P->DECL will be the function that's causing
the synthesis. */
;
else
{
- if (current_function_decl == TINST_DECL (p))
+ if (current_function_decl == p->decl)
/* Avoid redundancy with the "In function" line. */;
else
pp_verbatim (context->printer,
"%s: In instantiation of %qs:\n",
LOCATION_FILE (location),
- decl_as_string (TINST_DECL (p),
+ decl_as_string (p->decl,
TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
- location = TINST_LOCATION (p);
- p = TREE_CHAIN (p);
+ location = p->locus;
+ p = p->next;
}
}
/* Same as above but less verbose. */
static void
print_instantiation_partial_context (diagnostic_context *context,
- tree t, location_t loc)
+ struct tinst_level *t, location_t loc)
{
expanded_location xloc;
- for (; ; t = TREE_CHAIN (t))
+ for (; ; t = t->next)
{
xloc = expand_location (loc);
- if (t == NULL_TREE)
+ if (t == NULL)
break;
pp_verbatim (context->printer, "%s:%d: instantiated from %qs\n",
xloc.file, xloc.line,
- decl_as_string (TINST_DECL (t),
+ decl_as_string (t->decl,
TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
- loc = TINST_LOCATION (t);
+ loc = t->locus;
}
pp_verbatim (context->printer, "%s:%d: instantiated from here",
xloc.file, xloc.line);
void
maybe_warn_variadic_templates (void)
{
- if (!flag_cpp0x && !in_system_header)
+ 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. */
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