/* Various declarations for language-independent diagnostics subroutines.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 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
+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
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_DIAGNOSTIC_H
#define GCC_DIAGNOSTIC_H
-#include "obstack.h"
-#include "location.h"
+#include "pretty-print.h"
+#include "options.h"
-/* The type of a text to be formatted according a format specification
- along with a list of things. */
-typedef struct
-{
- const char *format_spec;
- va_list *args_ptr;
-} text_info;
-
-/* Contants used to discriminate diagnostics. */
+/* Constants used to discriminate diagnostics. */
typedef enum
{
-#define DEFINE_DIAGNOSTIC_KIND(K, M) K,
+#define DEFINE_DIAGNOSTIC_KIND(K, msgid) K,
#include "diagnostic.def"
#undef DEFINE_DIAGNOSTIC_KIND
DK_LAST_DIAGNOSTIC_KIND
/* 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
+typedef struct diagnostic_info
{
text_info message;
location_t location;
+ unsigned int override_column;
+ /* TREE_BLOCK if the diagnostic is to be reported in some inline
+ function inlined into other function, otherwise NULL. */
+ tree abstract_origin;
/* 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)
-
-/* How often diagnostics are prefixed by their locations:
- o DIAGNOSTICS_SHOW_PREFIX_NEVER: never - not yet supported;
- o DIAGNOSTICS_SHOW_PREFIX_ONCE: emit only once;
- o DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: emit each time a physical
- line is started. */
-typedef enum
-{
- DIAGNOSTICS_SHOW_PREFIX_ONCE = 0x0,
- DIAGNOSTICS_SHOW_PREFIX_NEVER = 0x1,
- DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE = 0x2
-} diagnostic_prefixing_rule_t;
-
-/* This data structure encapsulates an output_buffer's state. */
-typedef struct
-{
- /* The prefix for each new line. */
- const char *prefix;
-
- /* The real upper bound of number of characters per line, taking into
- account 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;
-
- /* Indentation count. */
- int indent_skip;
-
- /* Nonzero if current PREFIX was emitted at least once. */
- bool emitted_prefix_p;
-
- /* Nonzero means one should emit a newline before outputing anything. */
- bool need_newline_p;
-
- /* Current prefixing rule. */
- diagnostic_prefixing_rule_t prefixing_rule;
-} output_state;
-
-/* The type of a hook that formats client-specific data (trees mostly) into
- an output_buffer. A client-supplied formatter returns true if everything
- goes well. */
-typedef struct output_buffer output_buffer;
-typedef bool (*printer_fn) PARAMS ((output_buffer *, text_info *));
-
-/* The output buffer datatype. This is best seen as an abstract datatype
- whose fields should not be accessed directly by clients. */
-struct output_buffer
-{
- /* The current state of the buffer. */
- output_state state;
-
- /* Where to output formatted text. */
- FILE* stream;
-
- /* The obstack where the text is built up. */
- struct obstack obstack;
-
- /* The amount of characters output so far. */
- int line_length;
-
- /* This must be large enough to hold any printed integer or
- floating-point value. */
- char digit_buffer[128];
-
- /* If non-NULL, this function formats a TEXT into the BUFFER. When called,
- TEXT->format_spec points to a format code. FORMAT_DECODER should call
- output_add_string (and related functions) to add data to the BUFFER.
- FORMAT_DECODER can read arguments from *TEXT->args_pts using VA_ARG.
- If the BUFFER needs additional characters from the format string, it
- should advance the TEXT->format_spec as it goes. When FORMAT_DECODER
- returns, TEXT->format_spec should point to the last character processed.
- */
- printer_fn format_decoder;
-} ;
-
-#define output_prefix(BUFFER) (BUFFER)->state.prefix
-
-/* The stream attached to the output_buffer, where the formatted
- diagnostics will ultimately go. Works only on `output_buffer *'. */
-#define output_buffer_attached_stream(BUFFER) (BUFFER)->stream
-
-/* In line-wrapping mode, whether we should start a new line. */
-#define output_needs_newline(BUFFER) (BUFFER)->state.need_newline_p
-
-/* The amount of whitespace to be emitted when starting a new line. */
-#define output_indentation(BUFFER) (BUFFER)->state.indent_skip
-
-/* A pointer to the formatted diagnostic message. */
-#define output_message_text(BUFFER) \
- ((const char *) obstack_base (&(BUFFER)->obstack))
-
-/* Client supplied function used to decode formats. */
-#define output_format_decoder(BUFFER) (BUFFER)->format_decoder
-
-/* Prefixing rule used in formatting a diagnostic message. */
-#define output_prefixing_rule(BUFFER) (BUFFER)->state.prefixing_rule
-
-/* Maximum characters per line in automatic line wrapping mode.
- Zero means don't wrap lines. */
-#define output_line_cutoff(BUFFER) (BUFFER)->state.ideal_maximum_length
-
-/* True if BUFFER is in line-wrapping mode. */
-#define output_is_line_wrapping(BUFFER) (output_line_cutoff (BUFFER) > 0)
-
-#define output_formatted_scalar(BUFFER, FORMAT, INTEGER) \
- do \
- { \
- sprintf ((BUFFER)->digit_buffer, FORMAT, INTEGER); \
- output_add_string (BUFFER, (BUFFER)->digit_buffer); \
- } \
- while (0)
-
/* Forward declarations. */
typedef struct diagnostic_context diagnostic_context;
-typedef void (*diagnostic_starter_fn) PARAMS ((diagnostic_context *,
- diagnostic_info *));
+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. In Object
- Oriented terms, we'll say that diagnostic_context is a sub-class of
- output_buffer. */
- output_buffer buffer;
+ /* 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 warnings_are_errors_message;
+ 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>. */
+ diagnostic_t 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
diagnostic_finalizer_fn end_diagnostic;
/* Client hook to report an internal error. */
- void (*internal_error) PARAMS ((const char *, va_list *));
+ 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;
+ /* Used to detect when the input file stack has changed since last
+ described. */
+ const struct line_map *last_module;
int lock;
-
- /* Hook for front-end extensions. */
- void *x_data;
};
/* Client supplied function to announce a diagnostic. */
/* Extension hook for client. */
#define diagnostic_auxiliary_data(DC) (DC)->x_data
-/* Same as output_format_decoder. Works on 'diagnostic_context *'. */
-#define diagnostic_format_decoder(DC) output_format_decoder (&(DC)->buffer)
+/* 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) output_prefixing_rule (&(DC)->buffer)
+#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) output_line_cutoff (&(DC)->buffer)
+#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)
+#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) \
- (DC)->last_function = current_function_decl
+#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) \
- ((DC)->last_module != input_file_stack_tick)
+#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) \
- (DC)->last_module = input_file_stack_tick
+#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 meitted so far. */
+/* 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
#define sorrycount diagnostic_kind_count (global_dc, DK_SORRY)
/* Returns nonzero if warnings should be emitted. */
-#define diagnostic_report_warnings_p() \
+#define diagnostic_report_warnings_p(LOC) \
(!inhibit_warnings \
- && !(in_system_header && !warn_system_headers))
+ && !(in_system_header_at (LOC) && !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)
+
/* Diagnostic related functions. */
-extern void diagnostic_initialize PARAMS ((diagnostic_context *));
-extern void diagnostic_report_current_module PARAMS ((diagnostic_context *));
-extern void diagnostic_report_current_function PARAMS ((diagnostic_context *));
-extern void diagnostic_flush_buffer PARAMS ((diagnostic_context *));
-extern bool diagnostic_count_diagnostic PARAMS ((diagnostic_context *,
- diagnostic_t));
-extern void diagnostic_report_diagnostic PARAMS ((diagnostic_context *,
- diagnostic_info *));
-extern void diagnostic_set_info PARAMS ((diagnostic_info *,
- const char *, va_list *,
- const char *, int,
- diagnostic_t));
-extern char *diagnostic_build_prefix PARAMS ((diagnostic_info *));
+extern void diagnostic_initialize (diagnostic_context *);
+extern void diagnostic_report_current_module (diagnostic_context *);
+extern void diagnostic_report_current_function (diagnostic_context *,
+ 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 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);
+extern bool emit_diagnostic (diagnostic_t, location_t, int,
+ const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
+#endif
+extern char *diagnostic_build_prefix (diagnostic_info *);
/* Pure text formatting support functions. */
-extern void init_output_buffer PARAMS ((output_buffer *,
- const char *, int));
-extern void output_clear PARAMS ((output_buffer *));
-extern const char *output_last_position PARAMS ((const output_buffer *));
-extern void output_set_prefix PARAMS ((output_buffer *,
- const char *));
-extern void output_destroy_prefix PARAMS ((output_buffer *));
-extern void output_set_maximum_length PARAMS ((output_buffer *, int));
-extern void output_emit_prefix PARAMS ((output_buffer *));
-extern void output_add_newline PARAMS ((output_buffer *));
-extern void output_add_space PARAMS ((output_buffer *));
-extern int output_space_left PARAMS ((const output_buffer *));
-extern void output_append PARAMS ((output_buffer *, const char *,
- const char *));
-extern void output_add_character PARAMS ((output_buffer *, int));
-extern void output_decimal PARAMS ((output_buffer *, int));
-extern void output_add_string PARAMS ((output_buffer *,
- const char *));
-extern void output_add_identifier PARAMS ((output_buffer *, tree));
-extern const char *output_finalize_message PARAMS ((output_buffer *));
-extern void output_clear_message_text PARAMS ((output_buffer *));
-extern void output_printf PARAMS ((output_buffer *, const char *,
- ...)) ATTRIBUTE_PRINTF_2;
-extern void output_verbatim PARAMS ((output_buffer *, const char *,
- ...)) ATTRIBUTE_PRINTF_2;
-extern void verbatim PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern char *file_name_as_prefix PARAMS ((const char *));
-extern void inform PARAMS ((const char *, ...));
+extern char *file_name_as_prefix (const char *);
+
+/* In tree-pretty-print.c */
+extern void print_declaration (pretty_printer *, tree, int, int);
+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_c_tree (tree);
+extern void dump_omp_clauses (pretty_printer *, tree, int, int);
+extern void print_call_name (pretty_printer *, tree);
+
+/* In gimple-pretty-print.c */
+extern void debug_generic_expr (tree);
+extern void debug_generic_stmt (tree);
+extern void debug_tree_chain (tree);
+extern void debug_gimple_stmt (gimple);
+extern void debug_gimple_seq (gimple_seq);
+extern void print_gimple_seq (FILE *, gimple_seq, int, int);
+extern void print_gimple_stmt (FILE *, gimple, int, int);
+extern void print_gimple_expr (FILE *, gimple, int, int);
+extern void dump_gimple_stmt (pretty_printer *, gimple, int, int);
#endif /* ! GCC_DIAGNOSTIC_H */
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