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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [diagnostic.h] - Blame information for rev 816

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/* Various declarations for language-independent diagnostics subroutines.
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   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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   Free Software Foundation, Inc.
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   Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#ifndef GCC_DIAGNOSTIC_H
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#define GCC_DIAGNOSTIC_H
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#include "pretty-print.h"
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#include "options.h"
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/* Constants used to discriminate diagnostics.  */
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typedef enum
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{
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#define DEFINE_DIAGNOSTIC_KIND(K, msgid) K,  
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#include "diagnostic.def"
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#undef DEFINE_DIAGNOSTIC_KIND
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  DK_LAST_DIAGNOSTIC_KIND
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} diagnostic_t;
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/* A diagnostic is described by the MESSAGE to send, the FILE and LINE of
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   its context and its KIND (ice, error, warning, note, ...)  See complete
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   list in diagnostic.def.  */
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typedef struct
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{
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  text_info message;
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  location_t location;
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  /* The kind of diagnostic it is about.  */
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  diagnostic_t kind;
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  /* Which OPT_* directly controls this diagnostic.  */
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  int option_index;
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} diagnostic_info;
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#define pedantic_error_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
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/*  Forward declarations.  */
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typedef struct diagnostic_context diagnostic_context;
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typedef void (*diagnostic_starter_fn) (diagnostic_context *,
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                                       diagnostic_info *);
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typedef diagnostic_starter_fn diagnostic_finalizer_fn;
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/* This data structure bundles altogether any information relevant to
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   the context of a diagnostic message.  */
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struct diagnostic_context
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{
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  /* Where most of the diagnostic formatting work is done.  */
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  pretty_printer *printer;
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  /* The number of times we have issued diagnostics.  */
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  int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND];
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  /* True if we should display the "warnings are being tread as error"
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     message, usually displayed once per compiler run.  */
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  bool issue_warnings_are_errors_message;
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  /* True if it has been requested that warnings be treated as errors.  */
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  bool warning_as_error_requested;
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  /* For each option index that can be passed to warning() et all
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     (OPT_* from options.h), this array may contain a new kind that
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     the diagnostic should be changed to before reporting, or
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     DK_UNSPECIFIED to leave it as the reported kind, or DK_IGNORED to
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     not report it at all.  N_OPTS is from <options.h>.  */
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  char classify_diagnostic[N_OPTS];
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  /* True if we should print the command line option which controls
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     each diagnostic, if known.  */
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  bool show_option_requested;
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  /* True if we should raise a SIGABRT on errors.  */
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  bool abort_on_error;
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  /* This function is called before any message is printed out.  It is
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     responsible for preparing message prefix and such.  For example, it
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     might say:
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     In file included from "/usr/local/include/curses.h:5:
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                      from "/home/gdr/src/nifty_printer.h:56:
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                      ...
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  */
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  diagnostic_starter_fn begin_diagnostic;
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  /* This function is called after the diagnostic message is printed.  */
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  diagnostic_finalizer_fn end_diagnostic;
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  /* Client hook to report an internal error.  */
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  void (*internal_error) (const char *, va_list *);
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  /* Function of last diagnostic message; more generally, function such that
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     if next diagnostic message is in it then we don't have to mention the
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     function name.  */
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  tree last_function;
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  /* Used to detect when input_file_stack has changed since last described.  */
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  int last_module;
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  int lock;
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};
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/* Client supplied function to announce a diagnostic.  */
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#define diagnostic_starter(DC) (DC)->begin_diagnostic
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/* Client supplied function called after a diagnostic message is
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   displayed.  */
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#define diagnostic_finalizer(DC) (DC)->end_diagnostic
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/* Extension hook for client.  */
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#define diagnostic_auxiliary_data(DC) (DC)->x_data
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/* Same as pp_format_decoder.  Works on 'diagnostic_context *'.  */
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#define diagnostic_format_decoder(DC) ((DC)->printer->format_decoder)
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/* Same as output_prefixing_rule.  Works on 'diagnostic_context *'.  */
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#define diagnostic_prefixing_rule(DC) ((DC)->printer->wrapping.rule)
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/* Maximum characters per line in automatic line wrapping mode.
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   Zero means don't wrap lines.  */
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#define diagnostic_line_cutoff(DC) ((DC)->printer->wrapping.line_cutoff)
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#define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer)
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/* True if the last function in which a diagnostic was reported is
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   different from the current one.  */
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#define diagnostic_last_function_changed(DC) \
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  ((DC)->last_function != current_function_decl)
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/* Remember the current function as being the last one in which we report
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   a diagnostic.  */
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#define diagnostic_set_last_function(DC) \
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  (DC)->last_function = current_function_decl
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/* True if the last module or file in which a diagnostic was reported is
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   different from the current one.  */
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#define diagnostic_last_module_changed(DC) \
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  ((DC)->last_module != input_file_stack_tick)
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/* Remember the current module or file as being the last one in which we
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   report a diagnostic.  */
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#define diagnostic_set_last_module(DC) \
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  (DC)->last_module = input_file_stack_tick
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/* Raise SIGABRT on any diagnostic of severity DK_ERROR or higher.  */
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#define diagnostic_abort_on_error(DC) \
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  (DC)->abort_on_error = true
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/* This diagnostic_context is used by front-ends that directly output
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   diagnostic messages without going through `error', `warning',
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   and similar functions.  */
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extern diagnostic_context *global_dc;
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/* The total count of a KIND of diagnostics emitted so far.  */
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#define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)]
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/* The number of errors that have been issued so far.  Ideally, these
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   would take a diagnostic_context as an argument.  */
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#define errorcount diagnostic_kind_count (global_dc, DK_ERROR)
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/* Similarly, but for warnings.  */
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#define warningcount diagnostic_kind_count (global_dc, DK_WARNING)
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/* Similarly, but for sorrys.  */
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#define sorrycount diagnostic_kind_count (global_dc, DK_SORRY)
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/* Returns nonzero if warnings should be emitted.  */
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#define diagnostic_report_warnings_p()                  \
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  (!inhibit_warnings                                    \
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   && !(in_system_header && !warn_system_headers))
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#define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D)
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/* Diagnostic related functions.  */
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extern void diagnostic_initialize (diagnostic_context *);
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extern void diagnostic_report_current_module (diagnostic_context *);
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extern void diagnostic_report_current_function (diagnostic_context *);
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/* Force diagnostics controlled by OPTIDX to be kind KIND.  */
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extern diagnostic_t diagnostic_classify_diagnostic (diagnostic_context *,
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                                                    int /* optidx */,
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                                                    diagnostic_t /* kind */);
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extern void diagnostic_report_diagnostic (diagnostic_context *,
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                                          diagnostic_info *);
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#ifdef ATTRIBUTE_GCC_DIAG
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extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *,
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                                 location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
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extern void diagnostic_set_info_translated (diagnostic_info *, const char *,
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                                            va_list *, location_t,
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                                            diagnostic_t)
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     ATTRIBUTE_GCC_DIAG(2,0);
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#endif
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extern char *diagnostic_build_prefix (diagnostic_info *);
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/* Pure text formatting support functions.  */
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extern char *file_name_as_prefix (const char *);
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/* In tree-pretty-print.c  */
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extern int dump_generic_node (pretty_printer *, tree, int, int, bool);
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extern void print_generic_stmt (FILE *, tree, int);
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extern void print_generic_stmt_indented (FILE *, tree, int, int);
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extern void print_generic_expr (FILE *, tree, int);
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extern void print_generic_decl (FILE *, tree, int);
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extern void debug_generic_expr (tree);
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extern void debug_generic_stmt (tree);
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extern void debug_tree_chain (tree);
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extern void debug_c_tree (tree);
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#endif /* ! GCC_DIAGNOSTIC_H */

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