From 40d7cd0fd78fe2004e2a53c4618c148339b02733 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Mon, 19 Dec 2011 16:56:54 -0800 Subject: Add gcc-4.6. Synced to @180989 Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439 svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile --- gcc-4.6/gcc/diagnostic.h | 282 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 282 insertions(+) create mode 100644 gcc-4.6/gcc/diagnostic.h (limited to 'gcc-4.6/gcc/diagnostic.h') diff --git a/gcc-4.6/gcc/diagnostic.h b/gcc-4.6/gcc/diagnostic.h new file mode 100644 index 000000000..80743549a --- /dev/null +++ b/gcc-4.6/gcc/diagnostic.h @@ -0,0 +1,282 @@ +/* Various declarations for language-independent diagnostics subroutines. + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 + 2010, Free Software Foundation, Inc. + Contributed by Gabriel Dos Reis + +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 +. */ + +#ifndef GCC_DIAGNOSTIC_H +#define GCC_DIAGNOSTIC_H + +#include "pretty-print.h" +#include "diagnostic-core.h" + +/* 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 diagnostic_info +{ + text_info message; + location_t location; + unsigned int override_column; + /* Auxiliary data for client. */ + void *x_data; + /* The kind of diagnostic it is about. */ + diagnostic_t kind; + /* Which OPT_* directly controls this diagnostic. */ + int option_index; +} diagnostic_info; + +/* Each time a diagnostic's classification is changed with a pragma, + we record the change and the location of the change in an array of + these structs. */ +typedef struct diagnostic_classification_change_t +{ + location_t location; + int option; + diagnostic_t kind; +} diagnostic_classification_change_t; + +/* Forward declarations. */ +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 some_warnings_are_errors; + + /* True if it has been requested that warnings be treated as errors. */ + bool warning_as_error_requested; + + /* The number of option indexes that can be passed to warning() et + al. */ + int n_opts; + + /* For each option index that can be passed to warning() et al + (OPT_* from options.h when using this code with the core GCC + options), 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. */ + diagnostic_t *classify_diagnostic; + + /* History of all changes to the classifications above. This list + is stored in location-order, so we can search it, either + binary-wise or end-to-front, to find the most recent + classification for a given diagnostic, given the location of the + diagnostic. */ + diagnostic_classification_change_t *classification_history; + + /* The size of the above array. */ + int n_classification_history; + + /* For pragma push/pop. */ + int *push_list; + int n_push; + + /* 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; + + /* True if we should show the column number on diagnostics. */ + bool show_column; + + /* True if pedwarns are errors. */ + bool pedantic_errors; + + /* True if permerrors are warnings. */ + bool permissive; + + /* The index of the option to associate with turning permerrors into + warnings. */ + int opt_permissive; + + /* True if errors are fatal. */ + bool fatal_errors; + + /* True if all warnings should be disabled. */ + bool dc_inhibit_warnings; + + /* True if warnings should be given in system headers. */ + bool dc_warn_system_headers; + + /* Maximum number of errors to report. */ + unsigned int max_errors; + + /* 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) (diagnostic_context *, const char *, va_list *); + + /* Client hook to say whether the option controlling a diagnostic is + enabled. Returns nonzero if enabled, zero if disabled. */ + int (*option_enabled) (int, void *); + + /* Client information to pass as second argument to + option_enabled. */ + void *option_state; + + /* Client hook to return the name of an option that controls a + diagnostic. Returns malloced memory. The first diagnostic_t + argument is the kind of diagnostic before any reclassification + (of warnings as errors, etc.); the second is the kind after any + reclassification. May return NULL if no name is to be printed. + May be passed 0 as well as the index of a particular option. */ + char *(*option_name) (diagnostic_context *, int, diagnostic_t, diagnostic_t); + + /* Auxiliary data for client. */ + void *x_data; + + /* Used to detect when the input file stack has changed since last + described. */ + const struct line_map *last_module; + + int lock; + + bool inhibit_notes_p; +}; + +static inline void +diagnostic_inhibit_notes (diagnostic_context * context) +{ + context->inhibit_notes_p = true; +} + + +/* 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 hooks for client. */ +#define diagnostic_context_auxiliary_data(DC) (DC)->x_data +#define diagnostic_info_auxiliary_data(DI) (DI)->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 module or file in which a diagnostic was reported is + different from the current one. */ +#define diagnostic_last_module_changed(DC, MAP) \ + ((DC)->last_module != MAP) + +/* Remember the current module or file as being the last one in which we + report a diagnostic. */ +#define diagnostic_set_last_module(DC, MAP) \ + (DC)->last_module = MAP + +/* 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(DC, LOC) \ + (!(DC)->dc_inhibit_warnings \ + && !(in_system_header_at (LOC) && !(DC)->dc_warn_system_headers)) + +#define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D) + +/* Override the column number to be used for reporting a + diagnostic. */ +#define diagnostic_override_column(DI, COL) (DI)->override_column = (COL) + +/* Override the option index to be used for reporting a + diagnostic. */ +#define diagnostic_override_option_index(DI, OPTIDX) \ + ((DI)->option_index = (OPTIDX)) + +/* Diagnostic related functions. */ +extern void diagnostic_initialize (diagnostic_context *, int); +extern void diagnostic_finish (diagnostic_context *); +extern void diagnostic_report_current_module (diagnostic_context *); + +/* Force diagnostics controlled by OPTIDX to be kind KIND. */ +extern diagnostic_t diagnostic_classify_diagnostic (diagnostic_context *, + int /* optidx */, + diagnostic_t /* kind */, + location_t); +extern void diagnostic_push_diagnostics (diagnostic_context *, location_t); +extern void diagnostic_pop_diagnostics (diagnostic_context *, location_t); +extern bool 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_context *, diagnostic_info *); +void default_diagnostic_starter (diagnostic_context *, diagnostic_info *); +void default_diagnostic_finalizer (diagnostic_context *, diagnostic_info *); + +/* Pure text formatting support functions. */ +extern char *file_name_as_prefix (const char *); + +#endif /* ! GCC_DIAGNOSTIC_H */ -- cgit v1.2.3