/* Various declarations for language-independent diagnostics subroutines.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
- 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 <gdr@codesourcery.com>
This file is part of GCC.
#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;
+#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
{
text_info message;
location_t location;
- /* TREE_BLOCK if the diagnostic is to be reported in some inline
- function inlined into other function, otherwise NULL. */
- tree abstract_origin;
+ 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;
-#define pedantic_warning_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
-#define permissive_error_kind() (flag_permissive ? DK_WARNING : DK_ERROR)
-
+/* 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 struct diagnostic_context diagnostic_context;
typedef void (*diagnostic_starter_fn) (diagnostic_context *,
diagnostic_info *);
typedef diagnostic_starter_fn diagnostic_finalizer_fn;
/* 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;
-
+ bool some_warnings_are_errors;
+
/* 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];
+ /* 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 source line with a caret indicating
+ the location. */
+ bool show_caret;
+
+ /* Maximum width of the source line printed. */
+ int caret_max_width;
/* True if we should print the command line option which controls
each diagnostic, if known. */
/* 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:
diagnostic_finalizer_fn end_diagnostic;
/* Client hook to report an internal error. */
- void (*internal_error) (const char *, va_list *);
+ 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;
- /* 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;
+ /* 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 that the last caret was printed at the same location. */
+ location_t last_location;
/* 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
displayed. */
#define diagnostic_finalizer(DC) (DC)->end_diagnostic
-/* Extension hook for client. */
-#define diagnostic_auxiliary_data(DC) (DC)->x_data
+/* 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)
#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, DI) \
- ((DC)->last_function != ((DI)->abstract_origin \
- ? (DI)->abstract_origin : current_function_decl))
-
-/* Remember the current function as being the last one in which we report
- a diagnostic. */
-#define diagnostic_set_last_function(DC, DI) \
- (DC)->last_function = (((DI) && (DI)->abstract_origin) \
- ? (DI)->abstract_origin : 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, MAP) \
#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 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 *);
-extern void diagnostic_report_current_module (diagnostic_context *);
-extern void diagnostic_report_current_function (diagnostic_context *,
- diagnostic_info *);
+extern void diagnostic_initialize (diagnostic_context *, int);
+extern void diagnostic_finish (diagnostic_context *);
+extern void diagnostic_report_current_module (diagnostic_context *, location_t);
+extern void diagnostic_show_locus (diagnostic_context *, const diagnostic_info *);
/* 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_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 *,
diagnostic_t)
ATTRIBUTE_GCC_DIAG(2,0);
#endif
-extern char *diagnostic_build_prefix (diagnostic_info *);
+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 *);
+void diagnostic_set_caret_max_width (diagnostic_context *context, int value);
+
/* 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 */