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-rw-r--r--gcc/cp/error.c2406
1 files changed, 2406 insertions, 0 deletions
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
new file mode 100644
index 0000000..2962fe6
--- /dev/null
+++ b/gcc/cp/error.c
@@ -0,0 +1,2406 @@
+/* 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 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)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+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. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "cp-tree.h"
+#include "real.h"
+#include "toplev.h"
+#include "flags.h"
+#include "diagnostic.h"
+#include "langhooks-def.h"
+#include "cxx-pretty-print.h"
+
+#define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
+
+/* The global buffer where we dump everything. It is there only for
+ transitional purpose. It is expected, in the near future, to be
+ completely removed. */
+static cxx_pretty_printer scratch_pretty_printer;
+#define cxx_pp (&scratch_pretty_printer)
+
+# define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
+
+static const char *args_to_string (tree, int);
+static const char *assop_to_string (enum tree_code);
+static const char *code_to_string (enum tree_code);
+static const char *cv_to_string (tree, int);
+static const char *decl_to_string (tree, int);
+static const char *expr_to_string (tree);
+static const char *fndecl_to_string (tree, int);
+static const char *op_to_string (enum tree_code);
+static const char *parm_to_string (int);
+static const char *type_to_string (tree, int);
+
+static void dump_type (tree, int);
+static void dump_typename (tree, int);
+static void dump_simple_decl (tree, tree, int);
+static void dump_decl (tree, int);
+static void dump_template_decl (tree, int);
+static void dump_function_decl (tree, int);
+static void dump_expr (tree, int);
+static void dump_unary_op (const char *, tree, int);
+static void dump_binary_op (const char *, tree, int);
+static void dump_aggr_type (tree, int);
+static void dump_type_prefix (tree, int);
+static void dump_type_suffix (tree, int);
+static void dump_function_name (tree, int);
+static void dump_expr_list (tree, int);
+static void dump_global_iord (tree);
+static void dump_parameters (tree, int);
+static void dump_exception_spec (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_scope (tree, int);
+static void dump_template_parms (tree, int, int);
+
+static const char *function_category (tree);
+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);
+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 *);
+
+static bool cp_printer (pretty_printer *, text_info *, const char *,
+ int, bool, bool, bool);
+static location_t location_of (tree);
+
+void
+init_error (void)
+{
+ diagnostic_starter (global_dc) = cp_diagnostic_starter;
+ diagnostic_finalizer (global_dc) = cp_diagnostic_finalizer;
+ diagnostic_format_decoder (global_dc) = cp_printer;
+
+ pp_construct (pp_base (cxx_pp), NULL, 0);
+ pp_cxx_pretty_printer_init (cxx_pp);
+}
+
+/* Dump a scope, if deemed necessary. */
+
+static void
+dump_scope (tree scope, int flags)
+{
+ int f = ~TFF_RETURN_TYPE & (flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF));
+
+ if (scope == NULL_TREE)
+ return;
+
+ if (TREE_CODE (scope) == NAMESPACE_DECL)
+ {
+ if (scope != global_namespace)
+ {
+ dump_decl (scope, f);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ }
+ else if (AGGREGATE_TYPE_P (scope))
+ {
+ dump_type (scope, f);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ else if ((flags & TFF_SCOPE) && TREE_CODE (scope) == FUNCTION_DECL)
+ {
+ dump_function_decl (scope, f);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+}
+
+/* Dump the template ARGument under control of FLAGS. */
+
+static void
+dump_template_argument (tree arg, int flags)
+{
+ 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);
+}
+
+/* Dump a template-argument-list ARGS (always a TREE_VEC) under control
+ of FLAGS. */
+
+static void
+dump_template_argument_list (tree args, int flags)
+{
+ int n = TREE_VEC_LENGTH (args);
+ int need_comma = 0;
+ int i;
+
+ for (i = 0; i< n; ++i)
+ {
+ if (need_comma)
+ pp_separate_with_comma (cxx_pp);
+ dump_template_argument (TREE_VEC_ELT (args, i), flags);
+ need_comma = 1;
+ }
+}
+
+/* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
+
+static void
+dump_template_parameter (tree parm, int flags)
+{
+ tree p;
+ tree a;
+
+ if (parm == error_mark_node)
+ return;
+
+ p = TREE_VALUE (parm);
+ a = TREE_PURPOSE (parm);
+
+ if (TREE_CODE (p) == TYPE_DECL)
+ {
+ if (flags & TFF_DECL_SPECIFIERS)
+ {
+ pp_cxx_identifier (cxx_pp, "class");
+ if (DECL_NAME (p))
+ pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
+ }
+ else if (DECL_NAME (p))
+ pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
+ else
+ pp_cxx_canonical_template_parameter (cxx_pp, TREE_TYPE (p));
+ }
+ else
+ dump_decl (p, flags | TFF_DECL_SPECIFIERS);
+
+ if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && a != NULL_TREE)
+ {
+ pp_cxx_whitespace (cxx_pp);
+ pp_equal (cxx_pp);
+ pp_cxx_whitespace (cxx_pp);
+ if (TREE_CODE (p) == TYPE_DECL || TREE_CODE (p) == TEMPLATE_DECL)
+ dump_type (a, flags & ~TFF_CHASE_TYPEDEF);
+ else
+ dump_expr (a, flags | TFF_EXPR_IN_PARENS);
+ }
+}
+
+/* Dump, under control of FLAGS, a template-parameter-list binding.
+ PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
+ TREE_VEC. */
+
+static void
+dump_template_bindings (tree parms, tree args)
+{
+ int need_comma = 0;
+
+ while (parms)
+ {
+ tree p = TREE_VALUE (parms);
+ int lvl = TMPL_PARMS_DEPTH (parms);
+ int arg_idx = 0;
+ int i;
+
+ 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 (need_comma)
+ pp_separate_with_comma (cxx_pp);
+ dump_template_parameter (TREE_VEC_ELT (p, i), TFF_PLAIN_IDENTIFIER);
+ pp_cxx_whitespace (cxx_pp);
+ pp_equal (cxx_pp);
+ pp_cxx_whitespace (cxx_pp);
+ if (arg)
+ dump_template_argument (arg, TFF_PLAIN_IDENTIFIER);
+ else
+ pp_identifier (cxx_pp, "<missing>");
+
+ ++arg_idx;
+ need_comma = 1;
+ }
+
+ parms = TREE_CHAIN (parms);
+ }
+}
+
+/* Dump a human-readable equivalent of TYPE. FLAGS controls the
+ format. */
+
+static void
+dump_type (tree t, int flags)
+{
+ if (t == NULL_TREE)
+ return;
+
+ if (TYPE_PTRMEMFUNC_P (t))
+ goto offset_type;
+
+ switch (TREE_CODE (t))
+ {
+ case UNKNOWN_TYPE:
+ pp_identifier (cxx_pp, "<unresolved overloaded function type>");
+ break;
+
+ case TREE_LIST:
+ /* A list of function parms. */
+ dump_parameters (t, flags);
+ break;
+
+ case IDENTIFIER_NODE:
+ pp_cxx_tree_identifier (cxx_pp, t);
+ break;
+
+ case TREE_BINFO:
+ dump_type (BINFO_TYPE (t), flags);
+ break;
+
+ case RECORD_TYPE:
+ case UNION_TYPE:
+ case ENUMERAL_TYPE:
+ dump_aggr_type (t, flags);
+ break;
+
+ case TYPE_DECL:
+ if (flags & TFF_CHASE_TYPEDEF)
+ {
+ dump_type (DECL_ORIGINAL_TYPE (t)
+ ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t), flags);
+ break;
+ }
+ /* Else fall through. */
+
+ case TEMPLATE_DECL:
+ case NAMESPACE_DECL:
+ dump_decl (t, flags & ~TFF_DECL_SPECIFIERS);
+ break;
+
+ case INTEGER_TYPE:
+ case REAL_TYPE:
+ case VOID_TYPE:
+ case BOOLEAN_TYPE:
+ case COMPLEX_TYPE:
+ case VECTOR_TYPE:
+ pp_type_specifier_seq (cxx_pp, t);
+ break;
+
+ case TEMPLATE_TEMPLATE_PARM:
+ /* For parameters inside template signature. */
+ if (TYPE_IDENTIFIER (t))
+ pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
+ else
+ pp_cxx_canonical_template_parameter (cxx_pp, t);
+ break;
+
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ {
+ tree args = TYPE_TI_ARGS (t);
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
+ pp_cxx_begin_template_argument_list (cxx_pp);
+ dump_template_argument_list (args, flags);
+ pp_cxx_end_template_argument_list (cxx_pp);
+ }
+ break;
+
+ case TEMPLATE_TYPE_PARM:
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ if (TYPE_IDENTIFIER (t))
+ pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
+ else
+ pp_cxx_canonical_template_parameter
+ (cxx_pp, TEMPLATE_TYPE_PARM_INDEX (t));
+ break;
+
+ /* This is not always necessary for pointers and such, but doing this
+ reduces code size. */
+ case ARRAY_TYPE:
+ case POINTER_TYPE:
+ case REFERENCE_TYPE:
+ case OFFSET_TYPE:
+ offset_type:
+ case FUNCTION_TYPE:
+ case METHOD_TYPE:
+ {
+ dump_type_prefix (t, flags);
+ dump_type_suffix (t, flags);
+ break;
+ }
+ case TYPENAME_TYPE:
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ pp_cxx_identifier (cxx_pp,
+ TYPENAME_IS_ENUM_P (t) ? "enum"
+ : TYPENAME_IS_CLASS_P (t) ? "class"
+ : "typename");
+ dump_typename (t, flags);
+ break;
+
+ case UNBOUND_CLASS_TEMPLATE:
+ dump_type (TYPE_CONTEXT (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ pp_cxx_identifier (cxx_pp, "template");
+ dump_type (DECL_NAME (TYPE_NAME (t)), flags);
+ break;
+
+ case TYPEOF_TYPE:
+ pp_cxx_identifier (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);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ default:
+ pp_unsupported_tree (cxx_pp, t);
+ /* Fall through to error. */
+
+ case ERROR_MARK:
+ pp_identifier (cxx_pp, "<type error>");
+ break;
+ }
+}
+
+/* Dump a TYPENAME_TYPE. We need to notice when the context is itself
+ a TYPENAME_TYPE. */
+
+static void
+dump_typename (tree t, int flags)
+{
+ tree ctx = TYPE_CONTEXT (t);
+
+ if (TREE_CODE (ctx) == TYPENAME_TYPE)
+ dump_typename (ctx, flags);
+ else
+ dump_type (ctx, flags & ~TFF_CLASS_KEY_OR_ENUM);
+ pp_cxx_colon_colon (cxx_pp);
+ dump_decl (TYPENAME_TYPE_FULLNAME (t), flags);
+}
+
+/* Return the name of the supplied aggregate, or enumeral type. */
+
+const char *
+class_key_or_enum_as_string (tree t)
+{
+ if (TREE_CODE (t) == ENUMERAL_TYPE)
+ return "enum";
+ else if (TREE_CODE (t) == UNION_TYPE)
+ return "union";
+ else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
+ return "class";
+ else
+ return "struct";
+}
+
+/* Print out a class declaration T under the control of FLAGS,
+ in the form `class foo'. */
+
+static void
+dump_aggr_type (tree t, int flags)
+{
+ tree name;
+ const char *variety = class_key_or_enum_as_string (t);
+ int typdef = 0;
+ int tmplate = 0;
+
+ 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);
+
+ name = TYPE_NAME (t);
+
+ if (name)
+ {
+ typdef = !DECL_ARTIFICIAL (name);
+ tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
+ && TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
+ && (TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
+ || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t)));
+ dump_scope (CP_DECL_CONTEXT (name), flags | TFF_SCOPE);
+ if (tmplate)
+ {
+ /* Because the template names are mangled, we have to locate
+ the most general template, and use that name. */
+ tree tpl = CLASSTYPE_TI_TEMPLATE (t);
+
+ while (DECL_TEMPLATE_INFO (tpl))
+ tpl = DECL_TI_TEMPLATE (tpl);
+ name = tpl;
+ }
+ name = DECL_NAME (name);
+ }
+
+ if (name == 0 || ANON_AGGRNAME_P (name))
+ {
+ if (flags & TFF_CLASS_KEY_OR_ENUM)
+ pp_identifier (cxx_pp, "<anonymous>");
+ else
+ pp_printf (pp_base (cxx_pp), "<anonymous %s>", variety);
+ }
+ else
+ pp_cxx_tree_identifier (cxx_pp, name);
+ if (tmplate)
+ dump_template_parms (TYPE_TEMPLATE_INFO (t),
+ !CLASSTYPE_USE_TEMPLATE (t),
+ flags & ~TFF_TEMPLATE_HEADER);
+}
+
+/* Dump into the obstack the initial part of the output for a given type.
+ This is necessary when dealing with things like functions returning
+ functions. Examples:
+
+ return type of `int (* fee ())()': pointer -> function -> int. Both
+ pointer (and reference and offset) and function (and member) types must
+ deal with prefix and suffix.
+
+ Arrays must also do this for DECL nodes, like int a[], and for things like
+ int *[]&. */
+
+static void
+dump_type_prefix (tree t, int flags)
+{
+ if (TYPE_PTRMEMFUNC_P (t))
+ {
+ t = TYPE_PTRMEMFUNC_FN_TYPE (t);
+ goto offset_type;
+ }
+
+ switch (TREE_CODE (t))
+ {
+ case POINTER_TYPE:
+ case REFERENCE_TYPE:
+ {
+ tree sub = TREE_TYPE (t);
+
+ dump_type_prefix (sub, flags);
+ if (TREE_CODE (sub) == ARRAY_TYPE)
+ {
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ }
+ pp_character (cxx_pp, "&*"[TREE_CODE (t) == POINTER_TYPE]);
+ pp_base (cxx_pp)->padding = pp_before;
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ }
+ break;
+
+ case OFFSET_TYPE:
+ offset_type:
+ dump_type_prefix (TREE_TYPE (t), flags);
+ if (TREE_CODE (t) == OFFSET_TYPE) /* pmfs deal with this in d_t_p */
+ {
+ pp_maybe_space (cxx_pp);
+ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
+ pp_cxx_left_paren (cxx_pp);
+ dump_type (TYPE_OFFSET_BASETYPE (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ pp_cxx_star (cxx_pp);
+ pp_cxx_cv_qualifier_seq (cxx_pp, t);
+ 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. */
+ 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:
+ dump_type_prefix (TREE_TYPE (t), flags);
+ pp_maybe_space (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_aggr_type (TYPE_METHOD_BASETYPE (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ break;
+
+ case ARRAY_TYPE:
+ dump_type_prefix (TREE_TYPE (t), flags);
+ break;
+
+ case ENUMERAL_TYPE:
+ case IDENTIFIER_NODE:
+ case INTEGER_TYPE:
+ case BOOLEAN_TYPE:
+ case REAL_TYPE:
+ case RECORD_TYPE:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ case TREE_LIST:
+ case TYPE_DECL:
+ case TREE_VEC:
+ case UNION_TYPE:
+ case UNKNOWN_TYPE:
+ case VOID_TYPE:
+ case TYPENAME_TYPE:
+ case COMPLEX_TYPE:
+ case VECTOR_TYPE:
+ case TYPEOF_TYPE:
+ dump_type (t, flags);
+ pp_base (cxx_pp)->padding = pp_before;
+ break;
+
+ default:
+ pp_unsupported_tree (cxx_pp, t);
+ /* fall through. */
+ case ERROR_MARK:
+ pp_identifier (cxx_pp, "<typeprefixerror>");
+ break;
+ }
+}
+
+/* Dump the suffix of type T, under control of FLAGS. This is the part
+ which appears after the identifier (or function parms). */
+
+static void
+dump_type_suffix (tree t, int flags)
+{
+ if (TYPE_PTRMEMFUNC_P (t))
+ t = TYPE_PTRMEMFUNC_FN_TYPE (t);
+
+ switch (TREE_CODE (t))
+ {
+ case POINTER_TYPE:
+ case REFERENCE_TYPE:
+ case OFFSET_TYPE:
+ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_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);
+ arg = TYPE_ARG_TYPES (t);
+ if (TREE_CODE (t) == METHOD_TYPE)
+ arg = TREE_CHAIN (arg);
+
+ /* Function pointers don't have default args. Not in standard C++,
+ anyway; they may in g++, but we'll just pretend otherwise. */
+ dump_parameters (arg, flags & ~TFF_FUNCTION_DEFAULT_ARGUMENTS);
+
+ if (TREE_CODE (t) == METHOD_TYPE)
+ pp_cxx_cv_qualifier_seq
+ (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))));
+ else
+ pp_cxx_cv_qualifier_seq(cxx_pp, t);
+ dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t), flags);
+ dump_type_suffix (TREE_TYPE (t), flags);
+ break;
+ }
+
+ case ARRAY_TYPE:
+ pp_maybe_space (cxx_pp);
+ pp_cxx_left_bracket (cxx_pp);
+ if (TYPE_DOMAIN (t))
+ {
+ if (host_integerp (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0))
+ pp_wide_integer
+ (cxx_pp, tree_low_cst (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0) + 1);
+ else if (TREE_CODE (TYPE_MAX_VALUE (TYPE_DOMAIN (t))) == MINUS_EXPR)
+ dump_expr (TREE_OPERAND (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0),
+ flags & ~TFF_EXPR_IN_PARENS);
+ else
+ dump_expr (fold (cp_build_binary_op
+ (PLUS_EXPR, TYPE_MAX_VALUE (TYPE_DOMAIN (t)),
+ integer_one_node)),
+ flags & ~TFF_EXPR_IN_PARENS);
+ }
+ pp_cxx_right_bracket (cxx_pp);
+ dump_type_suffix (TREE_TYPE (t), flags);
+ break;
+
+ case ENUMERAL_TYPE:
+ case IDENTIFIER_NODE:
+ case INTEGER_TYPE:
+ case BOOLEAN_TYPE:
+ case REAL_TYPE:
+ case RECORD_TYPE:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ case TREE_LIST:
+ case TYPE_DECL:
+ case TREE_VEC:
+ case UNION_TYPE:
+ case UNKNOWN_TYPE:
+ case VOID_TYPE:
+ case TYPENAME_TYPE:
+ case COMPLEX_TYPE:
+ case VECTOR_TYPE:
+ case TYPEOF_TYPE:
+ break;
+
+ default:
+ pp_unsupported_tree (cxx_pp, t);
+ case ERROR_MARK:
+ /* Don't mark it here, we should have already done in
+ dump_type_prefix. */
+ break;
+ }
+}
+
+static void
+dump_global_iord (tree t)
+{
+ const char *p = NULL;
+
+ if (DECL_GLOBAL_CTOR_P (t))
+ p = "initializers";
+ else if (DECL_GLOBAL_DTOR_P (t))
+ p = "destructors";
+ else
+ gcc_unreachable ();
+
+ pp_printf (pp_base (cxx_pp), "(static %s for %s)", p, input_filename);
+}
+
+static void
+dump_simple_decl (tree t, tree type, int flags)
+{
+ if (flags & TFF_DECL_SPECIFIERS)
+ {
+ dump_type_prefix (type, flags);
+ pp_maybe_space (cxx_pp);
+ }
+ if (!DECL_INITIAL (t) || TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX)
+ dump_scope (CP_DECL_CONTEXT (t), flags);
+ if (DECL_NAME (t))
+ dump_decl (DECL_NAME (t), flags);
+ else
+ pp_identifier (cxx_pp, "<anonymous>");
+ if (flags & TFF_DECL_SPECIFIERS)
+ dump_type_suffix (type, flags);
+}
+
+/* Dump a human readable string for the decl T under control of FLAGS. */
+
+static void
+dump_decl (tree t, int flags)
+{
+ if (t == NULL_TREE)
+ return;
+
+ switch (TREE_CODE (t))
+ {
+ case TYPE_DECL:
+ /* Don't say 'typedef class A' */
+ if (DECL_ARTIFICIAL (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");
+
+ dump_type (TREE_TYPE (t), flags);
+ break;
+ }
+ if (flags & TFF_DECL_SPECIFIERS)
+ pp_cxx_identifier (cxx_pp, "typedef");
+ dump_simple_decl (t, DECL_ORIGINAL_TYPE (t)
+ ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
+ flags);
+ break;
+
+ case VAR_DECL:
+ if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
+ {
+ pp_string (cxx_pp, "vtable for ");
+ gcc_assert (TYPE_P (DECL_CONTEXT (t)));
+ dump_type (DECL_CONTEXT (t), flags);
+ break;
+ }
+ /* Else fall through. */
+ case FIELD_DECL:
+ case PARM_DECL:
+ dump_simple_decl (t, TREE_TYPE (t), flags);
+ break;
+
+ case RESULT_DECL:
+ pp_string (cxx_pp, "<return value> ");
+ dump_simple_decl (t, TREE_TYPE (t), flags);
+ break;
+
+ case NAMESPACE_DECL:
+ if (flags & TFF_DECL_SPECIFIERS)
+ pp_cxx_declaration (cxx_pp, t);
+ else
+ {
+ dump_scope (CP_DECL_CONTEXT (t), flags);
+ if (DECL_NAME (t) == NULL_TREE)
+ pp_identifier (cxx_pp, "<unnamed>");
+ else
+ pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
+ }
+ break;
+
+ case SCOPE_REF:
+ pp_expression (cxx_pp, t);
+ break;
+
+ case ARRAY_REF:
+ dump_decl (TREE_OPERAND (t, 0), flags);
+ pp_cxx_left_bracket (cxx_pp);
+ dump_decl (TREE_OPERAND (t, 1), flags);
+ pp_cxx_right_bracket (cxx_pp);
+ break;
+
+ /* So that we can do dump_decl on an aggr type. */
+ case RECORD_TYPE:
+ case UNION_TYPE:
+ case ENUMERAL_TYPE:
+ dump_type (t, flags);
+ break;
+
+ case BIT_NOT_EXPR:
+ /* This is a pseudo destructor call which has not been folded into
+ a PSEUDO_DTOR_EXPR yet. */
+ pp_cxx_complement (cxx_pp);
+ dump_type (TREE_OPERAND (t, 0), flags);
+ break;
+
+ case TYPE_EXPR:
+ gcc_unreachable ();
+ break;
+
+ /* These special cases are duplicated here so that other functions
+ can feed identifiers to error and get them demangled properly. */
+ case IDENTIFIER_NODE:
+ if (IDENTIFIER_TYPENAME_P (t))
+ {
+ pp_cxx_identifier (cxx_pp, "operator");
+ /* Not exactly IDENTIFIER_TYPE_VALUE. */
+ dump_type (TREE_TYPE (t), flags);
+ break;
+ }
+ else
+ pp_cxx_tree_identifier (cxx_pp, t);
+ break;
+
+ case OVERLOAD:
+ if (OVL_CHAIN (t))
+ {
+ t = OVL_CURRENT (t);
+ if (DECL_CLASS_SCOPE_P (t))
+ {
+ dump_type (DECL_CONTEXT (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ else if (DECL_CONTEXT (t))
+ {
+ dump_decl (DECL_CONTEXT (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ dump_decl (DECL_NAME (t), flags);
+ break;
+ }
+
+ /* If there's only one function, just treat it like an ordinary
+ FUNCTION_DECL. */
+ t = OVL_CURRENT (t);
+ /* Fall through. */
+
+ case FUNCTION_DECL:
+ if (! DECL_LANG_SPECIFIC (t))
+ pp_identifier (cxx_pp, "<built-in>");
+ else if (DECL_GLOBAL_CTOR_P (t) || DECL_GLOBAL_DTOR_P (t))
+ dump_global_iord (t);
+ else
+ dump_function_decl (t, flags);
+ break;
+
+ case TEMPLATE_DECL:
+ dump_template_decl (t, flags);
+ break;
+
+ case TEMPLATE_ID_EXPR:
+ {
+ tree name = TREE_OPERAND (t, 0);
+
+ if (is_overloaded_fn (name))
+ name = DECL_NAME (get_first_fn (name));
+ dump_decl (name, flags);
+ pp_cxx_begin_template_argument_list (cxx_pp);
+ if (TREE_OPERAND (t, 1))
+ dump_template_argument_list (TREE_OPERAND (t, 1), flags);
+ pp_cxx_end_template_argument_list (cxx_pp);
+ }
+ break;
+
+ case LABEL_DECL:
+ pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
+ break;
+
+ case CONST_DECL:
+ if ((TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == ENUMERAL_TYPE)
+ || (DECL_INITIAL (t) &&
+ TREE_CODE (DECL_INITIAL (t)) == TEMPLATE_PARM_INDEX))
+ dump_simple_decl (t, TREE_TYPE (t), flags);
+ else if (DECL_NAME (t))
+ dump_decl (DECL_NAME (t), flags);
+ else if (DECL_INITIAL (t))
+ dump_expr (DECL_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
+ else
+ pp_identifier (cxx_pp, "<enumerator>");
+ break;
+
+ case USING_DECL:
+ pp_cxx_identifier (cxx_pp, "using");
+ dump_type (USING_DECL_SCOPE (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ dump_decl (DECL_NAME (t), flags);
+ break;
+
+ case BASELINK:
+ dump_decl (BASELINK_FUNCTIONS (t), flags);
+ break;
+
+ case NON_DEPENDENT_EXPR:
+ dump_expr (t, flags);
+ break;
+
+ case TEMPLATE_TYPE_PARM:
+ if (flags & TFF_DECL_SPECIFIERS)
+ pp_cxx_declaration (cxx_pp, t);
+ else
+ pp_type_id (cxx_pp, t);
+ break;
+
+ default:
+ pp_unsupported_tree (cxx_pp, t);
+ /* Fall through to error. */
+
+ case ERROR_MARK:
+ pp_identifier (cxx_pp, "<declaration error>");
+ break;
+ }
+}
+
+/* Dump a template declaration T under control of FLAGS. This means the
+ 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
+
+static void
+dump_template_decl (tree t, int flags)
+{
+ tree orig_parms = DECL_TEMPLATE_PARMS (t);
+ tree parms;
+ int i;
+
+ if (flags & TFF_TEMPLATE_HEADER)
+ {
+ for (parms = orig_parms = nreverse (orig_parms);
+ parms;
+ parms = TREE_CHAIN (parms))
+ {
+ tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
+ int len = TREE_VEC_LENGTH (inner_parms);
+
+ pp_cxx_identifier (cxx_pp, "template");
+ pp_cxx_begin_template_argument_list (cxx_pp);
+
+ /* If we've shown the template prefix, we'd better show the
+ parameters' and decl's type too. */
+ flags |= TFF_DECL_SPECIFIERS;
+
+ for (i = 0; i < len; i++)
+ {
+ if (i)
+ pp_separate_with_comma (cxx_pp);
+ dump_template_parameter (TREE_VEC_ELT (inner_parms, i), flags);
+ }
+ pp_cxx_end_template_argument_list (cxx_pp);
+ pp_cxx_whitespace (cxx_pp);
+ }
+ 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");
+ }
+
+ if (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)
+ dump_decl (DECL_TEMPLATE_RESULT (t), flags | TFF_TEMPLATE_NAME);
+ else
+ {
+ gcc_assert (TREE_TYPE (t));
+ switch (NEXT_CODE (t))
+ {
+ case METHOD_TYPE:
+ case FUNCTION_TYPE:
+ dump_function_decl (t, flags | TFF_TEMPLATE_NAME);
+ break;
+ default:
+ /* This case can occur with some invalid code. */
+ dump_type (TREE_TYPE (t),
+ (flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
+ | (flags & TFF_DECL_SPECIFIERS
+ ? TFF_CLASS_KEY_OR_ENUM : 0));
+ }
+ }
+}
+
+/* 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
+ is %D which doesn't print the throw specs, and %F which does. */
+
+static void
+dump_function_decl (tree t, int flags)
+{
+ tree fntype;
+ tree parmtypes;
+ tree cname = NULL_TREE;
+ tree template_args = NULL_TREE;
+ tree template_parms = NULL_TREE;
+ int show_return = flags & TFF_RETURN_TYPE || flags & TFF_DECL_SPECIFIERS;
+
+ if (TREE_CODE (t) == TEMPLATE_DECL)
+ t = DECL_TEMPLATE_RESULT (t);
+
+ /* Pretty print template instantiations only. */
+ if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t))
+ {
+ tree tmpl;
+
+ template_args = DECL_TI_ARGS (t);
+ tmpl = most_general_template (t);
+ if (tmpl && TREE_CODE (tmpl) == TEMPLATE_DECL)
+ {
+ template_parms = DECL_TEMPLATE_PARMS (tmpl);
+ t = tmpl;
+ }
+ }
+
+ fntype = TREE_TYPE (t);
+ parmtypes = FUNCTION_FIRST_USER_PARMTYPE (t);
+
+ if (DECL_CLASS_SCOPE_P (t))
+ cname = DECL_CONTEXT (t);
+ /* This is for partially instantiated template methods. */
+ 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");
+
+ /* Print the return type? */
+ if (show_return)
+ show_return = !DECL_CONV_FN_P (t) && !DECL_CONSTRUCTOR_P (t)
+ && !DECL_DESTRUCTOR_P (t);
+ if (show_return)
+ dump_type_prefix (TREE_TYPE (fntype), flags);
+
+ /* Print the function name. */
+ if (cname)
+ {
+ dump_type (cname, flags);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+ else
+ dump_scope (CP_DECL_CONTEXT (t), flags);
+
+ dump_function_name (t, flags);
+
+ if (!(flags & TFF_NO_FUNCTION_ARGUMENTS))
+ {
+ dump_parameters (parmtypes, flags);
+
+ if (TREE_CODE (fntype) == METHOD_TYPE)
+ {
+ pp_base (cxx_pp)->padding = pp_before;
+ pp_cxx_cv_qualifier_seq
+ (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (fntype))));
+ }
+
+ if (flags & TFF_EXCEPTION_SPECIFICATION)
+ {
+ pp_base (cxx_pp)->padding = pp_before;
+ dump_exception_spec (TYPE_RAISES_EXCEPTIONS (fntype), flags);
+ }
+
+ if (show_return)
+ dump_type_suffix (TREE_TYPE (fntype), flags);
+ }
+
+ /* If T is a template instantiation, dump the parameter binding. */
+ if (template_parms != NULL_TREE && template_args != NULL_TREE)
+ {
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_bracket (cxx_pp);
+ pp_cxx_identifier (cxx_pp, "with");
+ pp_cxx_whitespace (cxx_pp);
+ dump_template_bindings (template_parms, template_args);
+ pp_cxx_right_bracket (cxx_pp);
+ }
+}
+
+/* Print a parameter list. If this is for a member function, the
+ member object ptr (and any other hidden args) should have
+ already been removed. */
+
+static void
+dump_parameters (tree parmtypes, int flags)
+{
+ int first;
+
+ pp_cxx_left_paren (cxx_pp);
+
+ for (first = 1; parmtypes != void_list_node;
+ parmtypes = TREE_CHAIN (parmtypes))
+ {
+ if (!first)
+ pp_separate_with_comma (cxx_pp);
+ first = 0;
+ if (!parmtypes)
+ {
+ pp_cxx_identifier (cxx_pp, "...");
+ break;
+ }
+ dump_type (TREE_VALUE (parmtypes), flags);
+
+ if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && TREE_PURPOSE (parmtypes))
+ {
+ pp_cxx_whitespace (cxx_pp);
+ pp_equal (cxx_pp);
+ pp_cxx_whitespace (cxx_pp);
+ dump_expr (TREE_PURPOSE (parmtypes), flags | TFF_EXPR_IN_PARENS);
+ }
+ }
+
+ pp_cxx_right_paren (cxx_pp);
+}
+
+/* Print an exception specification. T is the exception specification. */
+
+static void
+dump_exception_spec (tree t, int flags)
+{
+ if (t)
+ {
+ pp_cxx_identifier (cxx_pp, "throw");
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ if (TREE_VALUE (t) != NULL_TREE)
+ while (1)
+ {
+ dump_type (TREE_VALUE (t), flags);
+ t = TREE_CHAIN (t);
+ if (!t)
+ break;
+ pp_separate_with_comma (cxx_pp);
+ }
+ pp_cxx_right_paren (cxx_pp);
+ }
+}
+
+/* Handle the function name for a FUNCTION_DECL node, grokking operators
+ and destructors properly. */
+
+static void
+dump_function_name (tree t, int flags)
+{
+ tree name = DECL_NAME (t);
+
+ /* We can get here with a decl that was synthesized by language-
+ independent machinery (e.g. coverage.c) in which case it won't
+ have a lang_specific structure attached and DECL_CONSTRUCTOR_P
+ will crash. In this case it is safe just to print out the
+ literal name. */
+ if (!DECL_LANG_SPECIFIC (t))
+ {
+ pp_cxx_tree_identifier (cxx_pp, name);
+ return;
+ }
+
+ if (TREE_CODE (t) == TEMPLATE_DECL)
+ t = DECL_TEMPLATE_RESULT (t);
+
+ /* 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 (DECL_DESTRUCTOR_P (t))
+ {
+ pp_cxx_complement (cxx_pp);
+ dump_decl (name, TFF_PLAIN_IDENTIFIER);
+ }
+ else if (DECL_CONV_FN_P (t))
+ {
+ /* This cannot use the hack that the operator's return
+ type is stashed off of its name because it may be
+ used for error reporting. In the case of conflicting
+ 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");
+ dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
+ }
+ else if (IDENTIFIER_OPNAME_P (name))
+ pp_cxx_tree_identifier (cxx_pp, name);
+ else
+ dump_decl (name, flags);
+
+ if (DECL_TEMPLATE_INFO (t)
+ && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)
+ && (TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL
+ || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t))))
+ dump_template_parms (DECL_TEMPLATE_INFO (t), !DECL_USE_TEMPLATE (t), flags);
+}
+
+/* Dump the template parameters from the template info INFO under control of
+ FLAGS. PRIMARY indicates whether this is a primary template decl, or
+ specialization (partial or complete). For partial specializations we show
+ the specialized parameter values. For a primary template we show no
+ decoration. */
+
+static void
+dump_template_parms (tree info, int primary, int flags)
+{
+ tree args = info ? TI_ARGS (info) : NULL_TREE;
+
+ if (primary && flags & TFF_TEMPLATE_NAME)
+ return;
+ flags &= ~(TFF_CLASS_KEY_OR_ENUM | TFF_TEMPLATE_NAME);
+ 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. */
+ if (args && !primary)
+ {
+ int len, ix;
+
+ if (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (args))
+ args = TREE_VEC_ELT (args, TREE_VEC_LENGTH (args) - 1);
+
+ len = TREE_VEC_LENGTH (args);
+
+ for (ix = 0; ix != len; ix++)
+ {
+ tree arg = TREE_VEC_ELT (args, ix);
+
+ if (ix)
+ pp_separate_with_comma (cxx_pp);
+
+ if (!arg)
+ pp_identifier (cxx_pp, "<template parameter error>");
+ else
+ dump_template_argument (arg, flags);
+ }
+ }
+ else if (primary)
+ {
+ tree tpl = TI_TEMPLATE (info);
+ tree parms = DECL_TEMPLATE_PARMS (tpl);
+ int len, ix;
+
+ parms = TREE_CODE (parms) == TREE_LIST ? TREE_VALUE (parms) : NULL_TREE;
+ len = parms ? TREE_VEC_LENGTH (parms) : 0;
+
+ for (ix = 0; ix != len; ix++)
+ {
+ tree parm;
+
+ if (TREE_VEC_ELT (parms, ix) == error_mark_node)
+ {
+ pp_identifier (cxx_pp, "<template parameter error>");
+ continue;
+ }
+
+ parm = TREE_VALUE (TREE_VEC_ELT (parms, ix));
+
+ if (ix)
+ pp_separate_with_comma (cxx_pp);
+
+ dump_decl (parm, flags & ~TFF_DECL_SPECIFIERS);
+ }
+ }
+ pp_cxx_end_template_argument_list (cxx_pp);
+}
+
+/* Print out a list of initializers (subr of dump_expr). */
+
+static void
+dump_expr_list (tree l, int flags)
+{
+ while (l)
+ {
+ dump_expr (TREE_VALUE (l), flags | TFF_EXPR_IN_PARENS);
+ l = TREE_CHAIN (l);
+ if (l)
+ pp_separate_with_comma (cxx_pp);
+ }
+}
+
+/* Print out a vector of initializers (subr of dump_expr). */
+
+static void
+dump_expr_init_vec (VEC(constructor_elt,gc) *v, int flags)
+{
+ unsigned HOST_WIDE_INT idx;
+ tree value;
+
+ FOR_EACH_CONSTRUCTOR_VALUE (v, idx, value)
+ {
+ dump_expr (value, flags | TFF_EXPR_IN_PARENS);
+ if (idx != VEC_length (constructor_elt, v) - 1)
+ pp_separate_with_comma (cxx_pp);
+ }
+}
+
+
+/* We've gotten an indirect REFERENCE (an OBJ_TYPE_REF) to a virtual
+ function. Resolve it to a close relative -- in the sense of static
+ type -- variant being overridden. That is close to what was written in
+ the source code. Subroutine of dump_expr. */
+
+static tree
+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);
+ tree fun = BINFO_VIRTUALS (TYPE_BINFO (TREE_TYPE (obj_type)));
+ while (index--)
+ fun = TREE_CHAIN (fun);
+
+ return BV_FN (fun);
+}
+
+/* Print out an expression E under control of FLAGS. */
+
+static void
+dump_expr (tree t, int flags)
+{
+ if (t == 0)
+ return;
+
+ switch (TREE_CODE (t))
+ {
+ case VAR_DECL:
+ case PARM_DECL:
+ case FIELD_DECL:
+ case CONST_DECL:
+ case FUNCTION_DECL:
+ case TEMPLATE_DECL:
+ case NAMESPACE_DECL:
+ case LABEL_DECL:
+ case OVERLOAD:
+ case IDENTIFIER_NODE:
+ dump_decl (t, (flags & ~TFF_DECL_SPECIFIERS) | TFF_NO_FUNCTION_ARGUMENTS);
+ break;
+
+ case INTEGER_CST:
+ case REAL_CST:
+ case STRING_CST:
+ pp_constant (cxx_pp, t);
+ break;
+
+ case THROW_EXPR:
+ pp_cxx_identifier (cxx_pp, "throw");
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ break;
+
+ case PTRMEM_CST:
+ pp_ampersand (cxx_pp);
+ dump_type (PTRMEM_CST_CLASS (t), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ pp_cxx_tree_identifier (cxx_pp, DECL_NAME (PTRMEM_CST_MEMBER (t)));
+ break;
+
+ case COMPOUND_EXPR:
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_separate_with_comma (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case COND_EXPR:
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_string (cxx_pp, " ? ");
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ pp_string (cxx_pp, " : ");
+ dump_expr (TREE_OPERAND (t, 2), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case SAVE_EXPR:
+ if (TREE_HAS_CONSTRUCTOR (t))
+ {
+ pp_cxx_identifier (cxx_pp, "new");
+ pp_cxx_whitespace (cxx_pp);
+ dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
+ }
+ else
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ break;
+
+ case AGGR_INIT_EXPR:
+ {
+ tree fn = NULL_TREE;
+
+ if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR)
+ fn = TREE_OPERAND (TREE_OPERAND (t, 0), 0);
+
+ if (fn && TREE_CODE (fn) == FUNCTION_DECL)
+ {
+ if (DECL_CONSTRUCTOR_P (fn))
+ dump_type (DECL_CONTEXT (fn), flags);
+ else
+ dump_decl (fn, 0);
+ }
+ else
+ dump_expr (TREE_OPERAND (t, 0), 0);
+ }
+ pp_cxx_left_paren (cxx_pp);
+ if (TREE_OPERAND (t, 1))
+ dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case CALL_EXPR:
+ {
+ tree fn = TREE_OPERAND (t, 0);
+ tree args = TREE_OPERAND (t, 1);
+
+ if (TREE_CODE (fn) == ADDR_EXPR)
+ fn = TREE_OPERAND (fn, 0);
+
+ /* Nobody is interested in seeing the guts of vcalls. */
+ 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)
+ {
+ tree ob = TREE_VALUE (args);
+ if (TREE_CODE (ob) == ADDR_EXPR)
+ {
+ dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_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);
+ }
+ args = TREE_CHAIN (args);
+ }
+ dump_expr (fn, flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr_list (args, flags);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ 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
+ it initializes anything other that the parameter slot for the
+ default argument. Note we may have cleared out the first
+ operand in expand_expr, so don't go killing ourselves. */
+ if (TREE_OPERAND (t, 1))
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ break;
+
+ case INIT_EXPR:
+ case MODIFY_EXPR:
+ case PLUS_EXPR:
+ case MINUS_EXPR:
+ case MULT_EXPR:
+ case TRUNC_DIV_EXPR:
+ case TRUNC_MOD_EXPR:
+ case MIN_EXPR:
+ case MAX_EXPR:
+ case LSHIFT_EXPR:
+ case RSHIFT_EXPR:
+ case BIT_IOR_EXPR:
+ case BIT_XOR_EXPR:
+ case BIT_AND_EXPR:
+ case TRUTH_ANDIF_EXPR:
+ case TRUTH_ORIF_EXPR:
+ case LT_EXPR:
+ case LE_EXPR:
+ case GT_EXPR:
+ case GE_EXPR:
+ case EQ_EXPR:
+ case NE_EXPR:
+ case EXACT_DIV_EXPR:
+ dump_binary_op (operator_name_info[(int) TREE_CODE (t)].name, t, flags);
+ break;
+
+ case CEIL_DIV_EXPR:
+ case FLOOR_DIV_EXPR:
+ case ROUND_DIV_EXPR:
+ case RDIV_EXPR:
+ dump_binary_op ("/", t, flags);
+ break;
+
+ case CEIL_MOD_EXPR:
+ case FLOOR_MOD_EXPR:
+ case ROUND_MOD_EXPR:
+ dump_binary_op ("%", t, flags);
+ break;
+
+ case COMPONENT_REF:
+ {
+ tree ob = TREE_OPERAND (t, 0);
+ if (TREE_CODE (ob) == INDIRECT_REF)
+ {
+ ob = TREE_OPERAND (ob, 0);
+ if (TREE_CODE (ob) != PARM_DECL
+ || (DECL_NAME (ob)
+ && strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this")))
+ {
+ dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_arrow (cxx_pp);
+ }
+ }
+ else
+ {
+ dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_dot (cxx_pp);
+ }
+ dump_expr (TREE_OPERAND (t, 1), flags & ~TFF_EXPR_IN_PARENS);
+ }
+ break;
+
+ case ARRAY_REF:
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_left_bracket (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_right_bracket (cxx_pp);
+ break;
+
+ case UNARY_PLUS_EXPR:
+ dump_unary_op ("+", t, flags);
+ break;
+
+ case ADDR_EXPR:
+ if (TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL
+ || TREE_CODE (TREE_OPERAND (t, 0)) == STRING_CST
+ /* An ADDR_EXPR can have reference type. In that case, we
+ shouldn't print the `&' doing so indicates to the user
+ that the expression has pointer type. */
+ || (TREE_TYPE (t)
+ && TREE_CODE (TREE_TYPE (t)) == REFERENCE_TYPE))
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ else if (TREE_CODE (TREE_OPERAND (t, 0)) == LABEL_DECL)
+ dump_unary_op ("&&", t, flags);
+ else
+ dump_unary_op ("&", t, flags);
+ break;
+
+ case INDIRECT_REF:
+ if (TREE_HAS_CONSTRUCTOR (t))
+ {
+ t = TREE_OPERAND (t, 0);
+ gcc_assert (TREE_CODE (t) == CALL_EXPR);
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ else
+ {
+ if (TREE_OPERAND (t,0) != NULL_TREE
+ && TREE_TYPE (TREE_OPERAND (t, 0))
+ && NEXT_CODE (TREE_OPERAND (t, 0)) == REFERENCE_TYPE)
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ else
+ dump_unary_op ("*", t, flags);
+ }
+ break;
+
+ case NEGATE_EXPR:
+ case BIT_NOT_EXPR:
+ case TRUTH_NOT_EXPR:
+ case PREDECREMENT_EXPR:
+ case PREINCREMENT_EXPR:
+ dump_unary_op (operator_name_info [(int)TREE_CODE (t)].name, t, flags);
+ break;
+
+ case POSTDECREMENT_EXPR:
+ 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_right_paren (cxx_pp);
+ break;
+
+ case NON_LVALUE_EXPR:
+ /* FIXME: This is a KLUDGE workaround for a parsing problem. There
+ should be another level of INDIRECT_REF so that I don't have to do
+ this. */
+ if (TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == POINTER_TYPE)
+ {
+ tree next = TREE_TYPE (TREE_TYPE (t));
+
+ while (TREE_CODE (next) == POINTER_TYPE)
+ next = TREE_TYPE (next);
+
+ if (TREE_CODE (next) == FUNCTION_TYPE)
+ {
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_star (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_right_paren (cxx_pp);
+ break;
+ }
+ /* Else fall through. */
+ }
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ break;
+
+ case NOP_EXPR:
+ case CONVERT_EXPR:
+ {
+ tree op = TREE_OPERAND (t, 0);
+
+ 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. */
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_type (TREE_TYPE (t), flags);
+ pp_cxx_right_paren (cxx_pp);
+ dump_expr (op, flags | TFF_EXPR_IN_PARENS);
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_right_paren (cxx_pp);
+ }
+ else
+ dump_expr (op, flags);
+ break;
+ }
+
+ case CONSTRUCTOR:
+ if (TREE_TYPE (t) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
+ {
+ tree idx = build_ptrmemfunc_access_expr (t, pfn_identifier);
+
+ if (integer_zerop (idx))
+ {
+ /* A NULL pointer-to-member constant. */
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_type (TREE_TYPE (t), flags);
+ pp_cxx_right_paren (cxx_pp);
+ pp_character (cxx_pp, '0');
+ pp_cxx_right_paren (cxx_pp);
+ break;
+ }
+ else if (host_integerp (idx, 0))
+ {
+ tree virtuals;
+ unsigned HOST_WIDE_INT n;
+
+ t = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t)));
+ t = TYPE_METHOD_BASETYPE (t);
+ virtuals = BINFO_VIRTUALS (TYPE_BINFO (TYPE_MAIN_VARIANT (t)));
+
+ n = tree_low_cst (idx, 0);
+
+ /* Map vtable index back one, to allow for the null pointer to
+ member. */
+ --n;
+
+ while (n > 0 && virtuals)
+ {
+ --n;
+ virtuals = TREE_CHAIN (virtuals);
+ }
+ if (virtuals)
+ {
+ dump_expr (BV_FN (virtuals),
+ flags | TFF_EXPR_IN_PARENS);
+ break;
+ }
+ }
+ }
+ if (TREE_TYPE (t) && EMPTY_CONSTRUCTOR_P (t))
+ {
+ dump_type (TREE_TYPE (t), 0);
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ else
+ {
+ pp_cxx_left_brace (cxx_pp);
+ dump_expr_init_vec (CONSTRUCTOR_ELTS (t), flags);
+ pp_cxx_right_brace (cxx_pp);
+ }
+
+ break;
+
+ case OFFSET_REF:
+ {
+ tree ob = TREE_OPERAND (t, 0);
+ if (is_dummy_object (ob))
+ {
+ t = TREE_OPERAND (t, 1);
+ if (TREE_CODE (t) == FUNCTION_DECL)
+ /* A::f */
+ dump_expr (t, flags | TFF_EXPR_IN_PARENS);
+ else if (BASELINK_P (t))
+ dump_expr (OVL_CURRENT (BASELINK_FUNCTIONS (t)),
+ flags | TFF_EXPR_IN_PARENS);
+ else
+ dump_decl (t, flags);
+ }
+ else
+ {
+ if (TREE_CODE (ob) == INDIRECT_REF)
+ {
+ dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_arrow (cxx_pp);
+ pp_cxx_star (cxx_pp);
+ }
+ else
+ {
+ dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_dot (cxx_pp);
+ pp_cxx_star (cxx_pp);
+ }
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ }
+ break;
+ }
+
+ case TEMPLATE_PARM_INDEX:
+ 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_type (TREE_TYPE (t), flags);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr_list (TREE_OPERAND (t, 0), flags);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ else
+ {
+ pp_cxx_left_paren (cxx_pp);
+ dump_type (TREE_TYPE (t), flags);
+ pp_cxx_right_paren (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr_list (TREE_OPERAND (t, 0), flags);
+ pp_cxx_right_paren (cxx_pp);
+ }
+ break;
+
+ case STATIC_CAST_EXPR:
+ pp_cxx_identifier (cxx_pp, "static_cast");
+ goto cast;
+ case REINTERPRET_CAST_EXPR:
+ pp_cxx_identifier (cxx_pp, "reinterpret_cast");
+ goto cast;
+ case CONST_CAST_EXPR:
+ pp_cxx_identifier (cxx_pp, "const_cast");
+ goto cast;
+ case DYNAMIC_CAST_EXPR:
+ pp_cxx_identifier (cxx_pp, "dynamic_cast");
+ cast:
+ pp_cxx_begin_template_argument_list (cxx_pp);
+ dump_type (TREE_TYPE (t), flags);
+ pp_cxx_end_template_argument_list (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case ARROW_EXPR:
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ pp_cxx_arrow (cxx_pp);
+ break;
+
+ case SIZEOF_EXPR:
+ case ALIGNOF_EXPR:
+ if (TREE_CODE (t) == SIZEOF_EXPR)
+ pp_cxx_identifier (cxx_pp, "sizeof");
+ else
+ {
+ gcc_assert (TREE_CODE (t) == ALIGNOF_EXPR);
+ pp_cxx_identifier (cxx_pp, "__alignof__");
+ }
+ pp_cxx_whitespace (cxx_pp);
+ pp_cxx_left_paren (cxx_pp);
+ if (TYPE_P (TREE_OPERAND (t, 0)))
+ dump_type (TREE_OPERAND (t, 0), flags);
+ else
+ 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_whitespace (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ break;
+
+ case DEFAULT_ARG:
+ pp_identifier (cxx_pp, "<unparsed>");
+ break;
+
+ case TRY_CATCH_EXPR:
+ case WITH_CLEANUP_EXPR:
+ case CLEANUP_POINT_EXPR:
+ dump_expr (TREE_OPERAND (t, 0), flags);
+ break;
+
+ case PSEUDO_DTOR_EXPR:
+ dump_expr (TREE_OPERAND (t, 2), flags);
+ pp_cxx_dot (cxx_pp);
+ dump_type (TREE_OPERAND (t, 0), flags);
+ pp_cxx_colon_colon (cxx_pp);
+ pp_cxx_complement (cxx_pp);
+ dump_type (TREE_OPERAND (t, 1), flags);
+ break;
+
+ case TEMPLATE_ID_EXPR:
+ dump_decl (t, flags);
+ break;
+
+ case BIND_EXPR:
+ case STMT_EXPR:
+ case STATEMENT_LIST:
+ /* We don't yet have a way of dumping statements in a
+ human-readable format. */
+ pp_string (cxx_pp, "({...})");
+ break;
+
+ case LOOP_EXPR:
+ pp_string (cxx_pp, "while (1) { ");
+ dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
+ pp_cxx_right_brace (cxx_pp);
+ break;
+
+ case EXIT_EXPR:
+ pp_string (cxx_pp, "if (");
+ dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
+ pp_string (cxx_pp, ") break; ");
+ break;
+
+ case BASELINK:
+ dump_expr (get_first_fn (t), flags & ~TFF_EXPR_IN_PARENS);
+ break;
+
+ case EMPTY_CLASS_EXPR:
+ dump_type (TREE_TYPE (t), flags);
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_right_paren (cxx_pp);
+ break;
+
+ case NON_DEPENDENT_EXPR:
+ dump_expr (TREE_OPERAND (t, 0), 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. */
+ default:
+ pp_unsupported_tree (cxx_pp, t);
+ /* fall through to ERROR_MARK... */
+ case ERROR_MARK:
+ pp_identifier (cxx_pp, "<expression error>");
+ break;
+ }
+}
+
+static void
+dump_binary_op (const char *opstring, tree t, int flags)
+{
+ pp_cxx_left_paren (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_whitespace (cxx_pp);
+ if (opstring)
+ pp_cxx_identifier (cxx_pp, opstring);
+ else
+ pp_identifier (cxx_pp, "<unknown operator>");
+ pp_cxx_whitespace (cxx_pp);
+ dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
+ pp_cxx_right_paren (cxx_pp);
+}
+
+static void
+dump_unary_op (const char *opstring, tree t, int flags)
+{
+ if (flags & TFF_EXPR_IN_PARENS)
+ pp_cxx_left_paren (cxx_pp);
+ pp_cxx_identifier (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);
+}
+
+static void
+reinit_cxx_pp (void)
+{
+ pp_clear_output_area (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;
+}
+
+
+/* Exported interface to stringifying types, exprs and decls under TFF_*
+ control. */
+
+const char *
+type_as_string (tree typ, int flags)
+{
+ reinit_cxx_pp ();
+ dump_type (typ, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+const char *
+expr_as_string (tree decl, int flags)
+{
+ reinit_cxx_pp ();
+ dump_expr (decl, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+const char *
+decl_as_string (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)
+{
+ if (v >= 2)
+ return decl_as_string (decl, TFF_DECL_SPECIFIERS);
+
+ reinit_cxx_pp ();
+ if (v == 1 && DECL_CLASS_SCOPE_P (decl))
+ {
+ dump_type (CP_DECL_CONTEXT (decl), TFF_PLAIN_IDENTIFIER);
+ pp_cxx_colon_colon (cxx_pp);
+ }
+
+ if (TREE_CODE (decl) == FUNCTION_DECL)
+ dump_function_name (decl, TFF_PLAIN_IDENTIFIER);
+ else
+ dump_decl (DECL_NAME (decl), TFF_PLAIN_IDENTIFIER);
+
+ return pp_formatted_text (cxx_pp);
+}
+
+/* Return the location of a tree passed to %+ formats. */
+
+static location_t
+location_of (tree t)
+{
+ if (TREE_CODE (t) == PARM_DECL && DECL_CONTEXT (t))
+ t = DECL_CONTEXT (t);
+ else if (TYPE_P (t))
+ t = TYPE_MAIN_DECL (t);
+ else if (TREE_CODE (t) == OVERLOAD)
+ t = OVL_FUNCTION (t);
+
+ return DECL_SOURCE_LOCATION (t);
+}
+
+/* Now the interfaces from error et al to dump_type et al. Each takes an
+ on/off VERBOSE flag and supply the appropriate TFF_ flags to a dump_
+ function. */
+
+static const char *
+decl_to_string (tree decl, int verbose)
+{
+ int flags = 0;
+
+ if (TREE_CODE (decl) == TYPE_DECL || TREE_CODE (decl) == RECORD_TYPE
+ || TREE_CODE (decl) == UNION_TYPE || TREE_CODE (decl) == ENUMERAL_TYPE)
+ flags = TFF_CLASS_KEY_OR_ENUM;
+ if (verbose)
+ flags |= TFF_DECL_SPECIFIERS;
+ else if (TREE_CODE (decl) == FUNCTION_DECL)
+ flags |= TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE;
+ flags |= TFF_TEMPLATE_HEADER;
+
+ reinit_cxx_pp ();
+ dump_decl (decl, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+static const char *
+expr_to_string (tree decl)
+{
+ reinit_cxx_pp ();
+ dump_expr (decl, 0);
+ return pp_formatted_text (cxx_pp);
+}
+
+static const char *
+fndecl_to_string (tree fndecl, int verbose)
+{
+ int flags;
+
+ flags = TFF_EXCEPTION_SPECIFICATION | TFF_DECL_SPECIFIERS
+ | TFF_TEMPLATE_HEADER;
+ if (verbose)
+ flags |= TFF_FUNCTION_DEFAULT_ARGUMENTS;
+ reinit_cxx_pp ();
+ dump_decl (fndecl, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+
+static const char *
+code_to_string (enum tree_code c)
+{
+ return tree_code_name [c];
+}
+
+const char *
+language_to_string (enum languages c)
+{
+ switch (c)
+ {
+ case lang_c:
+ return "C";
+
+ case lang_cplusplus:
+ return "C++";
+
+ case lang_java:
+ return "Java";
+
+ default:
+ gcc_unreachable ();
+ }
+ return NULL;
+}
+
+/* Return the proper printed version of a parameter to a C++ function. */
+
+static const char *
+parm_to_string (int p)
+{
+ reinit_cxx_pp ();
+ if (p < 0)
+ pp_string (cxx_pp, "'this'");
+ else
+ pp_decimal_int (cxx_pp, p + 1);
+ return pp_formatted_text (cxx_pp);
+}
+
+static const char *
+op_to_string (enum tree_code p)
+{
+ tree id = operator_name_info[(int) p].identifier;
+ return id ? IDENTIFIER_POINTER (id) : "<unknown>";
+}
+
+static const char *
+type_to_string (tree typ, int verbose)
+{
+ int flags = 0;
+ if (verbose)
+ flags |= TFF_CLASS_KEY_OR_ENUM;
+ flags |= TFF_TEMPLATE_HEADER;
+
+ reinit_cxx_pp ();
+ dump_type (typ, flags);
+ return pp_formatted_text (cxx_pp);
+}
+
+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}";
+}
+
+static const char *
+args_to_string (tree p, int verbose)
+{
+ int flags = 0;
+ if (verbose)
+ flags |= TFF_CLASS_KEY_OR_ENUM;
+
+ if (p == NULL_TREE)
+ return "";
+
+ if (TYPE_P (TREE_VALUE (p)))
+ return type_as_string (p, flags);
+
+ reinit_cxx_pp ();
+ for (; p; p = TREE_CHAIN (p))
+ {
+ if (TREE_VALUE (p) == null_node)
+ pp_cxx_identifier (cxx_pp, "NULL");
+ else
+ dump_type (error_type (TREE_VALUE (p)), flags);
+ if (TREE_CHAIN (p))
+ pp_separate_with_comma (cxx_pp);
+ }
+ return pp_formatted_text (cxx_pp);
+}
+
+static const char *
+cv_to_string (tree p, int v)
+{
+ reinit_cxx_pp ();
+ pp_base (cxx_pp)->padding = v ? pp_before : pp_none;
+ pp_cxx_cv_qualifier_seq (cxx_pp, p);
+ return pp_formatted_text (cxx_pp);
+}
+
+/* Langhook for print_error_function. */
+void
+cxx_print_error_function (diagnostic_context *context, const char *file)
+{
+ lhd_print_error_function (context, file);
+ pp_base_set_prefix (context->printer, file);
+ maybe_print_instantiation_context (context);
+}
+
+static void
+cp_diagnostic_starter (diagnostic_context *context,
+ diagnostic_info *diagnostic)
+{
+ 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));
+}
+
+static void
+cp_diagnostic_finalizer (diagnostic_context *context,
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
+{
+ pp_base_destroy_prefix (context->printer);
+}
+
+/* Print current function onto BUFFER, in the process of reporting
+ a diagnostic message. Called from cp_diagnostic_starter. */
+static void
+cp_print_error_function (diagnostic_context *context,
+ diagnostic_info *diagnostic)
+{
+ if (diagnostic_last_function_changed (context))
+ {
+ const char *old_prefix = context->printer->prefix;
+ const char *file = LOCATION_FILE (diagnostic->location);
+ char *new_prefix = file ? 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));
+ pp_base_newline (context->printer);
+
+ diagnostic_set_last_function (context);
+ pp_base_destroy_prefix (context->printer);
+ context->printer->prefix = old_prefix;
+ }
+}
+
+/* Returns a description of FUNCTION using standard terminology. */
+static const char *
+function_category (tree fn)
+{
+ if (DECL_FUNCTION_MEMBER_P (fn))
+ {
+ if (DECL_STATIC_FUNCTION_P (fn))
+ return "static member function";
+ else if (DECL_COPY_CONSTRUCTOR_P (fn))
+ return "copy constructor";
+ else if (DECL_CONSTRUCTOR_P (fn))
+ return "constructor";
+ else if (DECL_DESTRUCTOR_P (fn))
+ return "destructor";
+ else
+ return "member function";
+ }
+ else
+ return "function";
+}
+
+/* Report the full context of a current template instantiation,
+ onto BUFFER. */
+static void
+print_instantiation_full_context (diagnostic_context *context)
+{
+ tree p = current_instantiation ();
+ location_t location = input_location;
+
+ if (p)
+ {
+ if (current_function_decl != TINST_DECL (p)
+ && 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
+ the synthesis. */
+ ;
+ else
+ {
+ if (current_function_decl == TINST_DECL (p))
+ /* 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),
+ TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
+
+ location = TINST_LOCATION (p);
+ p = TREE_CHAIN (p);
+ }
+ }
+
+ print_instantiation_partial_context (context, p, location);
+}
+
+/* Same as above but less verbose. */
+static void
+print_instantiation_partial_context (diagnostic_context *context,
+ tree t, location_t loc)
+{
+ expanded_location xloc;
+ for (; ; t = TREE_CHAIN (t))
+ {
+ xloc = expand_location (loc);
+ if (t == NULL_TREE)
+ break;
+ pp_verbatim (context->printer, "%s:%d: instantiated from %qs\n",
+ xloc.file, xloc.line,
+ decl_as_string (TINST_DECL (t),
+ TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
+ loc = TINST_LOCATION (t);
+ }
+ pp_verbatim (context->printer, "%s:%d: instantiated from here",
+ xloc.file, xloc.line);
+ pp_base_newline (context->printer);
+}
+
+/* Called from cp_thing to print the template context for an error. */
+static void
+maybe_print_instantiation_context (diagnostic_context *context)
+{
+ if (!problematic_instantiation_changed () || current_instantiation () == 0)
+ return;
+
+ record_last_problematic_instantiation ();
+ print_instantiation_full_context (context);
+}
+
+/* Report the bare minimum context of a template instantiation. */
+void
+print_instantiation_context (void)
+{
+ print_instantiation_partial_context
+ (global_dc, current_instantiation (), input_location);
+ diagnostic_flush_buffer (global_dc);
+}
+
+/* Called from output_format -- during diagnostic message processing --
+ to handle C++ specific format specifier with the following meanings:
+ %A function argument-list.
+ %C tree code.
+ %D declaration.
+ %E expression.
+ %F function declaration.
+ %L language as used in extern "lang".
+ %O binary operator.
+ %P function parameter whose position is indicated by an integer.
+ %Q assignment operator.
+ %T type.
+ %V cv-qualifier. */
+static bool
+cp_printer (pretty_printer *pp, text_info *text, const char *spec,
+ int precision, bool wide, bool set_locus, bool verbose)
+{
+ 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_int va_arg (*text->args_ptr, int)
+
+ if (precision != 0 || wide)
+ return false;
+
+ if (text->locus == NULL)
+ set_locus = false;
+
+ switch (*spec)
+ {
+ case 'A': result = args_to_string (next_tree, verbose); break;
+ case 'C': result = code_to_string (next_tcode); break;
+ case 'D':
+ {
+ tree temp = next_tree;
+ if (DECL_P (temp)
+ && DECL_DEBUG_EXPR_IS_FROM (temp) && DECL_DEBUG_EXPR (temp))
+ {
+ temp = DECL_DEBUG_EXPR (temp);
+ if (!DECL_P (temp))
+ {
+ result = expr_to_string (temp);
+ break;
+ }
+ }
+ result = decl_to_string (temp, verbose);
+ }
+ break;
+ case 'E': result = expr_to_string (next_tree); break;
+ case 'F': result = fndecl_to_string (next_tree, verbose); break;
+ case 'L': result = language_to_string (next_lang); break;
+ case 'O': result = op_to_string (next_tcode); break;
+ case 'P': result = parm_to_string (next_int); break;
+ case 'Q': result = assop_to_string (next_tcode); break;
+ case 'T': result = type_to_string (next_tree, verbose); break;
+ case 'V': result = cv_to_string (next_tree, verbose); break;
+
+ default:
+ return false;
+ }
+
+ pp_base_string (pp, result);
+ if (set_locus && t != NULL)
+ *text->locus = location_of (t);
+ return true;
+#undef next_tree
+#undef next_tcode
+#undef next_lang
+#undef next_int
+}
+
+/* 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. */
+
+void
+cp_cpp_error (cpp_reader *pfile ATTRIBUTE_UNUSED, int level,
+ const char *msg, va_list *ap)
+{
+ 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);
+}
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