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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [diagnostic.h] - Rev 247
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/* Various declarations for language-independent diagnostics subroutines. Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Contributed by Gabriel Dos Reis <gdr@codesourcery.com> 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 3, 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 COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_DIAGNOSTIC_H #define GCC_DIAGNOSTIC_H #include "pretty-print.h" #include "options.h" /* Constants used to discriminate diagnostics. */ typedef enum { #define DEFINE_DIAGNOSTIC_KIND(K, msgid) K, #include "diagnostic.def" #undef DEFINE_DIAGNOSTIC_KIND DK_LAST_DIAGNOSTIC_KIND } diagnostic_t; /* A diagnostic is described by the MESSAGE to send, the FILE and LINE of its context and its KIND (ice, error, warning, note, ...) See complete list in diagnostic.def. */ typedef struct { text_info message; location_t location; /* The kind of diagnostic it is about. */ diagnostic_t kind; /* Which OPT_* directly controls this diagnostic. */ int option_index; } diagnostic_info; #define pedantic_error_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING) /* Forward declarations. */ typedef struct diagnostic_context diagnostic_context; typedef void (*diagnostic_starter_fn) (diagnostic_context *, diagnostic_info *); typedef diagnostic_starter_fn diagnostic_finalizer_fn; /* This data structure bundles altogether any information relevant to the context of a diagnostic message. */ struct diagnostic_context { /* Where most of the diagnostic formatting work is done. */ pretty_printer *printer; /* The number of times we have issued diagnostics. */ int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND]; /* True if we should display the "warnings are being tread as error" message, usually displayed once per compiler run. */ bool issue_warnings_are_errors_message; /* True if it has been requested that warnings be treated as errors. */ bool warning_as_error_requested; /* For each option index that can be passed to warning() et all (OPT_* from options.h), this array may contain a new kind that the diagnostic should be changed to before reporting, or DK_UNSPECIFIED to leave it as the reported kind, or DK_IGNORED to not report it at all. N_OPTS is from <options.h>. */ char classify_diagnostic[N_OPTS]; /* True if we should print the command line option which controls each diagnostic, if known. */ bool show_option_requested; /* True if we should raise a SIGABRT on errors. */ bool abort_on_error; /* This function is called before any message is printed out. It is responsible for preparing message prefix and such. For example, it might say: In file included from "/usr/local/include/curses.h:5: from "/home/gdr/src/nifty_printer.h:56: ... */ diagnostic_starter_fn begin_diagnostic; /* This function is called after the diagnostic message is printed. */ diagnostic_finalizer_fn end_diagnostic; /* Client hook to report an internal error. */ void (*internal_error) (const char *, va_list *); /* Function of last diagnostic message; more generally, function such that if next diagnostic message is in it then we don't have to mention the function name. */ tree last_function; /* Used to detect when input_file_stack has changed since last described. */ int last_module; int lock; }; /* Client supplied function to announce a diagnostic. */ #define diagnostic_starter(DC) (DC)->begin_diagnostic /* Client supplied function called after a diagnostic message is displayed. */ #define diagnostic_finalizer(DC) (DC)->end_diagnostic /* Extension hook for client. */ #define diagnostic_auxiliary_data(DC) (DC)->x_data /* Same as pp_format_decoder. Works on 'diagnostic_context *'. */ #define diagnostic_format_decoder(DC) ((DC)->printer->format_decoder) /* Same as output_prefixing_rule. Works on 'diagnostic_context *'. */ #define diagnostic_prefixing_rule(DC) ((DC)->printer->wrapping.rule) /* Maximum characters per line in automatic line wrapping mode. Zero means don't wrap lines. */ #define diagnostic_line_cutoff(DC) ((DC)->printer->wrapping.line_cutoff) #define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer) /* True if the last function in which a diagnostic was reported is different from the current one. */ #define diagnostic_last_function_changed(DC) \ ((DC)->last_function != current_function_decl) /* Remember the current function as being the last one in which we report a diagnostic. */ #define diagnostic_set_last_function(DC) \ (DC)->last_function = current_function_decl /* True if the last module or file in which a diagnostic was reported is different from the current one. */ #define diagnostic_last_module_changed(DC) \ ((DC)->last_module != input_file_stack_tick) /* Remember the current module or file as being the last one in which we report a diagnostic. */ #define diagnostic_set_last_module(DC) \ (DC)->last_module = input_file_stack_tick /* Raise SIGABRT on any diagnostic of severity DK_ERROR or higher. */ #define diagnostic_abort_on_error(DC) \ (DC)->abort_on_error = true /* This diagnostic_context is used by front-ends that directly output diagnostic messages without going through `error', `warning', and similar functions. */ extern diagnostic_context *global_dc; /* The total count of a KIND of diagnostics emitted so far. */ #define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)] /* The number of errors that have been issued so far. Ideally, these would take a diagnostic_context as an argument. */ #define errorcount diagnostic_kind_count (global_dc, DK_ERROR) /* Similarly, but for warnings. */ #define warningcount diagnostic_kind_count (global_dc, DK_WARNING) /* Similarly, but for sorrys. */ #define sorrycount diagnostic_kind_count (global_dc, DK_SORRY) /* Returns nonzero if warnings should be emitted. */ #define diagnostic_report_warnings_p() \ (!inhibit_warnings \ && !(in_system_header && !warn_system_headers)) #define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D) /* Diagnostic related functions. */ extern void diagnostic_initialize (diagnostic_context *); extern void diagnostic_report_current_module (diagnostic_context *); extern void diagnostic_report_current_function (diagnostic_context *); /* Force diagnostics controlled by OPTIDX to be kind KIND. */ extern diagnostic_t diagnostic_classify_diagnostic (diagnostic_context *, int /* optidx */, diagnostic_t /* kind */); extern void diagnostic_report_diagnostic (diagnostic_context *, diagnostic_info *); #ifdef ATTRIBUTE_GCC_DIAG extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *, location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0); extern void diagnostic_set_info_translated (diagnostic_info *, const char *, va_list *, location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0); #endif extern char *diagnostic_build_prefix (diagnostic_info *); /* Pure text formatting support functions. */ extern char *file_name_as_prefix (const char *); /* In tree-pretty-print.c */ extern int dump_generic_node (pretty_printer *, tree, int, int, bool); extern void print_generic_stmt (FILE *, tree, int); extern void print_generic_stmt_indented (FILE *, tree, int, int); extern void print_generic_expr (FILE *, tree, int); extern void print_generic_decl (FILE *, tree, int); extern void debug_generic_expr (tree); extern void debug_generic_stmt (tree); extern void debug_tree_chain (tree); extern void debug_c_tree (tree); #endif /* ! GCC_DIAGNOSTIC_H */
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