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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/diagnostic.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/diagnostic.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/diagnostic.h b/gcc-4.2.1-5666.3/gcc/diagnostic.h new file mode 100644 index 000000000..df520266a --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/diagnostic.h @@ -0,0 +1,221 @@ +/* Various declarations for language-independent diagnostics subroutines. + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 + 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 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. */ + +#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 */ |