X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fdiagnostic.h;h=4b1265b78868e3f995f8dd67e79a81b6636b1bab;hb=e6c80a80e7e5827932e5b981ee24798b607fca3e;hp=196f3f76b1fb76752c6bf3e2ede2d438fe99a057;hpb=96c5803173876ffe8c0d94ca30583a31d938b151;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/diagnostic.h b/gcc/diagnostic.h index 196f3f76b1f..4b1265b7886 100644 --- a/gcc/diagnostic.h +++ b/gcc/diagnostic.h @@ -1,201 +1,282 @@ /* Various declarations for language-independent diagnostics subroutines. - Copyright (C) 2000 Free Software Foundation, Inc. + 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 GNU CC. +This file is part of GCC. -GNU CC 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 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. -GNU CC 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. +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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ -#ifndef __GCC_DIAGNOSTIC_H__ -#define __GCC_DIAGNOSTIC_H__ +#ifndef GCC_DIAGNOSTIC_H +#define GCC_DIAGNOSTIC_H -#include "obstack.h" +#include "pretty-print.h" +#include "diagnostic-core.h" -/* Forward declarations. */ -typedef struct output_buffer output_buffer; -typedef struct diagnostic_context diagnostic_context; -typedef void (*diagnostic_starter_fn) PARAMS ((output_buffer *, - diagnostic_context *)); -typedef diagnostic_starter_fn diagnostic_finalizer_fn; - -#define DIAGNOSTICS_SHOW_PREFIX_ONCE 0x0 -#define DIAGNOSTICS_SHOW_PREFIX_NEVER 0x1 -#define DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE 0x2 - -/* The type of front-end specific hook that formats trees into an - output_buffer. A language specific printer returns a truth value if - everything goes well. */ -typedef int (*printer_fn) PARAMS ((output_buffer *)); - -/* This data structure encapulates an output_buffer's state. */ -typedef struct +/* 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 { - /* The prefix for each new line. */ - const char *prefix; - /* The real upper bound of number of characters per line, taking into - accompt the case of a very very looong prefix. */ - int maximum_length; - /* The ideal upper bound of number of characters per line, as suggested - by front-end. */ - int ideal_maximum_length; - /* Nonzero if current PREFIX was emitted at least once. */ - int emitted_prefix_p; - - /* Nonzero means one should emit a newline before outputing anything. */ - int need_newline_p; - - /* Tells how often current PREFIX should be emitted: - o DIAGNOSTICS_SHOW_PREFIX_NEVER: never - not yet supported; - o DIAGNOSTICS_SHOW_PREFIX_ONCE: emit current PREFIX only once; - o DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: emit current PREFIX each time - a physical line is started. */ - int prefixing_rule; - /* The current char to output. Updated by front-end (*format_map) when - it is called to report front-end printer for a specified format. */ - const char *cursor; - /* A pointer to the variable argument-list for formatting. */ - va_list *format_args; -} output_state; - -/* The output buffer datatype. This is best seen as an abstract datatype. */ -struct output_buffer + 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 { - /* Internal data. These fields should not be accessed directly by - front-ends. */ - - /* The obstack where the text is built up. */ - struct obstack obstack; - /* The amount of characters output so far. */ - int line_length; - /* The current state of the buffer. */ - output_state state; -}; + location_t location; + int option; + diagnostic_t kind; +} diagnostic_classification_change_t; -#define output_buffer_text_cursor(BUFFER) (BUFFER)->state.cursor -#define output_buffer_format_args(BUFFER) *((BUFFER)->state.format_args) -#define output_needs_newline(BUFFER) (BUFFER)->state.need_newline_p -#define output_buffer_state(BUFFER) (BUFFER)->state +/* 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 relevent to +/* This data structure bundles altogether any information relevant to the context of a diagnostic message. */ struct diagnostic_context { - /* The diagnostic message to output. */ - const char *message; + /* 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; - /* A pointer to a variable list of the arguments necessary for the - purpose of message formatting. */ - va_list *args_ptr; + /* The number of option indexes that can be passed to warning() et + al. */ + int n_opts; - /* The name of the source file involved in the diiagnostic. */ - const char *file; + /* 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; - /* The line-location in the source file. */ - int line; + /* 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; - /* Is it message a warning? */ - int warn; + /* 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 - respondible for preparing message prefix and such. For example, it + 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: ... */ - void (*begin_diagnostic) PARAMS ((output_buffer *, diagnostic_context *)); + diagnostic_starter_fn begin_diagnostic; + + /* This function is called after the diagnostic message is printed. */ + diagnostic_finalizer_fn end_diagnostic; - /* This function is called after the diagnostic message is printed. */ - void (*end_diagnostic) PARAMS ((output_buffer *, diagnostic_context *)); + /* Client hook to report an internal error. */ + void (*internal_error) (diagnostic_context *, const char *, va_list *); - /* Hook for front-end extensions. */ + /* 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; }; -#define diagnostic_message(DC) (DC)->message -#define diagnostic_argument_list(DC) (DC)->args_ptr -#define diagnostic_file_location(DC) (DC)->file -#define diagnostic_line_location(DC) (DC)->line -#define diagnostic_is_warning(DC) (DC)->warn +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 -#define diagnostic_auxiliary_data(DC) (DC)->x_data -/* If non-NULL, this function formats data in the BUFFER. When called, - output_buffer_text_cursor (BUFFER) points to a format code. LANG_PRINTER - should call output_add_string (and related functions) to add data to - the BUFFER. LANG_PRINTER can read arguments from - output_buffer_format_args (BUFFER) using VA_ARG. If the BUFFER needs - additional characters from the format string, it should advance - the output_buffer_text_cursor (BUFFER) as it goes. When LANG_PRINTER - returns, output_buffer_text_cursor (BUFFER) should point to the last - character processed. */ +/* 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) -extern printer_fn lang_printer; +/* 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) -extern diagnostic_starter_fn lang_diagnostic_starter; -extern diagnostic_finalizer_fn lang_diagnostic_finalizer; +#define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer) -extern int diagnostic_message_length_per_line; +/* 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) -/* This output buffer is used by front-ends that directly output +/* 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 simillar functions. In general, such usage should be - avoided. This global buffer will go away, once all such usage - has been removed. */ -extern output_buffer *diagnostic_buffer; - -/* Prototypes */ -void set_diagnostic_context PARAMS ((diagnostic_context *, const char *, - va_list *, const char *, int, int)); -void set_fatal_function PARAMS ((void (*) PARAMS ((const char *, - va_list *)))); -void report_diagnostic PARAMS ((diagnostic_context *)); -void initialize_diagnostics PARAMS ((void)); -void reshape_diagnostic_buffer PARAMS ((void)); -void default_initialize_buffer PARAMS ((output_buffer *)); -void init_output_buffer PARAMS ((output_buffer *, const char *, int)); -void output_clear PARAMS ((output_buffer *)); -const char *output_get_prefix PARAMS ((const output_buffer *)); -void output_set_prefix PARAMS ((output_buffer *, const char *)); -void output_destroy_prefix PARAMS ((output_buffer *)); -void output_set_maximum_length PARAMS ((output_buffer *, int)); -void output_emit_prefix PARAMS ((output_buffer *)); -void output_add_newline PARAMS ((output_buffer *)); -void output_add_space PARAMS ((output_buffer *)); -int output_space_left PARAMS ((const output_buffer *)); -void output_append PARAMS ((output_buffer *, const char *, - const char *)); -void output_add_character PARAMS ((output_buffer *, int)); -void output_decimal PARAMS ((output_buffer *, int)); -void output_add_string PARAMS ((output_buffer *, const char *)); -const char *output_finish PARAMS ((output_buffer *)); -void output_printf PARAMS ((output_buffer *, const char *, - ...)) ATTRIBUTE_PRINTF_2; -int output_is_line_wrapping PARAMS ((output_buffer *)); -void set_message_prefixing_rule PARAMS ((int)); -void output_verbatim PARAMS ((output_buffer *, const char *, ...)) - ATTRIBUTE_PRINTF_2; -void verbatim PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1; -char *context_as_prefix PARAMS ((const char *, int, int)); -char *file_name_as_prefix PARAMS ((const char *)); -int error_module_changed PARAMS ((void)); -void record_last_error_module PARAMS ((void)); -int error_function_changed PARAMS ((void)); -void record_last_error_function PARAMS ((void)); -void report_problematic_module PARAMS ((output_buffer *)); - -#endif /* __GCC_DIAGNOSTIC_H__ */ + 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 *, location_t); + +/* 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 */