-/* Language-independent diagnostic subroutines for the GNU C compiler
- Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Language-independent diagnostic subroutines for the GNU Compiler Collection
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 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/>. */
/* This file implements the language independent aspect of diagnostic
#undef FLOAT /* This is for hpux. They should change hpux. */
#undef FFS /* Some systems define this in param.h. */
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
+#include "version.h"
#include "tm_p.h"
#include "flags.h"
#include "input.h"
#include "toplev.h"
#include "intl.h"
#include "diagnostic.h"
+#include "langhooks.h"
+#include "langhooks-def.h"
+#include "opts.h"
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-#define output_formatted_integer(BUFFER, FORMAT, INTEGER) \
- do { \
- sprintf ((BUFFER)->digit_buffer, FORMAT, INTEGER); \
- output_add_string (BUFFER, (BUFFER)->digit_buffer); \
- } while (0)
+/* Prototypes. */
+static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
-#define output_text_length(BUFFER) (BUFFER)->line_length
-#define is_starting_newline(BUFFER) (output_text_length (BUFFER) == 0)
-#define output_prefix(BUFFER) (BUFFER)->state.prefix
-#define line_wrap_cutoff(BUFFER) (BUFFER)->state.maximum_length
-#define prefix_was_emitted_for(BUFFER) (BUFFER)->state.emitted_prefix_p
-#define output_buffer_ptr_to_format_args(BUFFER) (BUFFER)->state.format_args
+static void default_diagnostic_starter (diagnostic_context *,
+ diagnostic_info *);
+static void default_diagnostic_finalizer (diagnostic_context *,
+ diagnostic_info *);
-#define diagnostic_args output_buffer_ptr_to_format_args (diagnostic_buffer)
-#define diagnostic_msg output_buffer_text_cursor (diagnostic_buffer)
+static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
-/* Prototypes. */
-static void diagnostic_finish PARAMS ((output_buffer *));
-static void output_do_verbatim PARAMS ((output_buffer *,
- const char *, va_list *));
-static void output_buffer_to_stream PARAMS ((output_buffer *));
-static void output_format PARAMS ((output_buffer *));
-static void output_indent PARAMS ((output_buffer *));
-
-static char *vbuild_message_string PARAMS ((const char *, va_list))
- ATTRIBUTE_PRINTF (1, 0);
-static char *build_message_string PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-static void output_do_printf PARAMS ((output_buffer *, const char *))
- ATTRIBUTE_PRINTF (2, 0);
-static void format_with_decl PARAMS ((output_buffer *, tree));
-static void diagnostic_for_decl PARAMS ((tree, const char *, va_list *, int));
-static void set_real_maximum_length PARAMS ((output_buffer *));
-
-static void output_unsigned_decimal PARAMS ((output_buffer *, unsigned int));
-static void output_long_decimal PARAMS ((output_buffer *, long int));
-static void output_long_unsigned_decimal PARAMS ((output_buffer *,
- long unsigned int));
-static void output_octal PARAMS ((output_buffer *, unsigned int));
-static void output_long_octal PARAMS ((output_buffer *, unsigned long int));
-static void output_hexadecimal PARAMS ((output_buffer *, unsigned int));
-static void output_long_hexadecimal PARAMS ((output_buffer *,
- unsigned long int));
-static void output_append_r PARAMS ((output_buffer *, const char *, int));
-static void wrap_text PARAMS ((output_buffer *, const char *, const char *));
-static void maybe_wrap_text PARAMS ((output_buffer *, const char *,
- const char *));
-static void clear_diagnostic_info PARAMS ((output_buffer *));
-
-static void default_diagnostic_starter PARAMS ((output_buffer *,
- diagnostic_context *));
-static void default_diagnostic_finalizer PARAMS ((output_buffer *,
- diagnostic_context *));
-
-static void error_recursion PARAMS ((void)) ATTRIBUTE_NORETURN;
-
-extern int rtl_dump_and_exit;
-extern int warnings_are_errors;
+static void diagnostic_action_after_output (diagnostic_context *,
+ diagnostic_info *);
+static void real_abort (void) ATTRIBUTE_NORETURN;
/* A diagnostic_context surrogate for stderr. */
static diagnostic_context global_diagnostic_context;
diagnostic_context *global_dc = &global_diagnostic_context;
-/* This will be removed shortly. */
-output_buffer *diagnostic_buffer = &global_diagnostic_context.buffer;
-
-/* Function of last error message;
- more generally, function such that if next error message is in it
- then we don't have to mention the function name. */
-static tree last_error_function = NULL;
-
-/* Used to detect when input_file_stack has changed since last described. */
-static int last_error_tick;
-
-/* Called by report_error_function to print out function name.
- Default may be overridden by language front-ends. */
-
-void (*print_error_function) PARAMS ((diagnostic_context *, const char *))
- = default_print_error_function;
-
-/* Prevent recursion into the error handler. */
-static int diagnostic_lock;
-
\f
-/* Return truthvalue if current input file is different from the most recent
- file involved in a diagnostic message. */
-
-int
-error_module_changed ()
+/* Return a malloc'd string containing MSG formatted a la printf. The
+ caller is responsible for freeing the memory. */
+static char *
+build_message_string (const char *msg, ...)
{
- return last_error_tick != input_file_stack_tick;
-}
+ char *str;
+ va_list ap;
-/* Remember current file as being the most recent file involved in a
- diagnostic message. */
+ va_start (ap, msg);
+ vasprintf (&str, msg, ap);
+ va_end (ap);
-void
-record_last_error_module ()
-{
- last_error_tick = input_file_stack_tick;
+ return str;
}
-/* Same as error_module_changed, but for function. */
-
-int
-error_function_changed ()
+/* Same as diagnostic_build_prefix, but only the source FILE is given. */
+char *
+file_name_as_prefix (const char *f)
{
- return last_error_function != current_function_decl;
+ return build_message_string ("%s: ", f);
}
-/* Same as record_last_error_module, but for function. */
-
-void
-record_last_error_function ()
-{
- last_error_function = current_function_decl;
-}
+\f
/* Initialize the diagnostic message outputting machinery. */
-
void
-diagnostic_initialize (context)
- diagnostic_context *context;
+diagnostic_initialize (diagnostic_context *context)
{
- memset (context, 0, sizeof *context);
- obstack_init (&context->buffer.obstack);
-
+ /* Allocate a basic pretty-printer. Clients will replace this a
+ much more elaborated pretty-printer if they wish. */
+ context->printer = XNEW (pretty_printer);
+ pp_construct (context->printer, NULL, 0);
/* By default, diagnostics are sent to stderr. */
- output_buffer_attached_stream (&context->buffer) = stderr;
-
+ context->printer->buffer->stream = stderr;
/* By default, we emit prefixes once per message. */
- diagnostic_prefixing_rule (context) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
-
+ context->printer->wrapping.rule = DIAGNOSTICS_SHOW_PREFIX_ONCE;
+
+ memset (context->diagnostic_count, 0, sizeof context->diagnostic_count);
+ context->issue_warnings_are_errors_message = true;
+ context->warning_as_error_requested = false;
+ memset (context->classify_diagnostic, DK_UNSPECIFIED,
+ sizeof context->classify_diagnostic);
+ context->show_option_requested = false;
+ context->abort_on_error = false;
+ context->internal_error = NULL;
diagnostic_starter (context) = default_diagnostic_starter;
diagnostic_finalizer (context) = default_diagnostic_finalizer;
+ context->last_module = 0;
+ context->last_function = NULL;
+ context->lock = 0;
}
-/* Returns true if BUFFER is in line-wrappind mode. */
-
-int
-output_is_line_wrapping (buffer)
- output_buffer *buffer;
-{
- return diagnostic_line_cutoff (buffer) > 0;
-}
-
-/* Return BUFFER's prefix. */
-
-const char *
-output_get_prefix (buffer)
- const output_buffer *buffer;
-{
- return output_prefix (buffer);
-}
-
-/* Subroutine of output_set_maximum_length. Set up BUFFER's
- internal maximum characters per line. */
-
-static void
-set_real_maximum_length (buffer)
- output_buffer *buffer;
-{
- /* If we're told not to wrap lines then do the obvious thing. In case
- we'll emit prefix only once per diagnostic message, it is appropriate
- not to increase unncessarily the line-length cut-off. */
- if (! output_is_line_wrapping (buffer)
- || diagnostic_prefixing_rule (buffer) == DIAGNOSTICS_SHOW_PREFIX_ONCE
- || diagnostic_prefixing_rule (buffer) == DIAGNOSTICS_SHOW_PREFIX_NEVER)
- line_wrap_cutoff (buffer) = diagnostic_line_cutoff (buffer);
- else
- {
- int prefix_length =
- output_prefix (buffer) ? strlen (output_prefix (buffer)) : 0;
- /* If the prefix is ridiculously too long, output at least
- 32 characters. */
- if (diagnostic_line_cutoff (buffer) - prefix_length < 32)
- line_wrap_cutoff (buffer) = diagnostic_line_cutoff (buffer) + 32;
- else
- line_wrap_cutoff (buffer) = diagnostic_line_cutoff (buffer);
- }
-}
-
-/* Sets the number of maximum characters per line BUFFER can output
- in line-wrapping mode. A LENGTH value 0 suppresses line-wrapping. */
-
+/* Initialize DIAGNOSTIC, where the message MSG has already been
+ translated. */
void
-output_set_maximum_length (buffer, length)
- output_buffer *buffer;
- int length;
+diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
+ va_list *args, location_t location,
+ diagnostic_t kind)
{
- diagnostic_line_cutoff (buffer) = length;
- set_real_maximum_length (buffer);
+ diagnostic->message.err_no = errno;
+ diagnostic->message.args_ptr = args;
+ diagnostic->message.format_spec = msg;
+ diagnostic->location = location;
+ diagnostic->kind = kind;
+ diagnostic->option_index = 0;
}
-/* Sets BUFFER's PREFIX. */
-
+/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
+ translated. */
void
-output_set_prefix (buffer, prefix)
- output_buffer *buffer;
- const char *prefix;
+diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
+ va_list *args, location_t location,
+ diagnostic_t kind)
{
- output_prefix (buffer) = prefix;
- set_real_maximum_length (buffer);
- prefix_was_emitted_for (buffer) = 0;
- output_indentation (buffer) = 0;
+ diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
}
-/* Return a pointer to the last character emitted in the output
- BUFFER area. A NULL pointer means no character available. */
-const char *
-output_last_position (buffer)
- const output_buffer *buffer;
-{
- const char *p = NULL;
-
- if (obstack_base (&buffer->obstack) != obstack_next_free (&buffer->obstack))
- p = ((const char *) obstack_next_free (&buffer->obstack)) - 1;
- return p;
-}
-
-/* Free BUFFER's prefix, a previously malloc'd string. */
-
-void
-output_destroy_prefix (buffer)
- output_buffer *buffer;
+/* Return a malloc'd string describing a location. The caller is
+ responsible for freeing the memory. */
+char *
+diagnostic_build_prefix (diagnostic_info *diagnostic)
+{
+ static const char *const diagnostic_kind_text[] = {
+#define DEFINE_DIAGNOSTIC_KIND(K, T) (T),
+#include "diagnostic.def"
+#undef DEFINE_DIAGNOSTIC_KIND
+ "must-not-happen"
+ };
+ const char *text = _(diagnostic_kind_text[diagnostic->kind]);
+ expanded_location s = expand_location (diagnostic->location);
+ gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
+
+ return
+ (s.file == NULL
+ ? build_message_string ("%s: %s", progname, text)
+ : flag_show_column && s.column != 0
+ ? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
+ : build_message_string ("%s:%d: %s", s.file, s.line, text));
+}
+
+/* Take any action which is expected to happen after the diagnostic
+ is written out. This function does not always return. */
+static void
+diagnostic_action_after_output (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
- if (output_prefix (buffer) != NULL)
+ switch (diagnostic->kind)
{
- free ((char *) output_prefix (buffer));
- output_prefix (buffer) = NULL;
- }
-}
+ case DK_DEBUG:
+ case DK_NOTE:
+ case DK_ANACHRONISM:
+ case DK_WARNING:
+ break;
+
+ case DK_ERROR:
+ case DK_SORRY:
+ if (context->abort_on_error)
+ real_abort ();
+ if (flag_fatal_errors)
+ {
+ fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
+ exit (FATAL_EXIT_CODE);
+ }
+ break;
-/* Zero out any text output so far in BUFFER. */
+ case DK_ICE:
+ if (context->abort_on_error)
+ real_abort ();
-void
-output_clear_message_text (buffer)
- output_buffer *buffer;
-{
- obstack_free (&buffer->obstack, obstack_base (&buffer->obstack));
- output_text_length (buffer) = 0;
-}
+ fnotice (stderr, "Please submit a full bug report,\n"
+ "with preprocessed source if appropriate.\n"
+ "See %s for instructions.\n", bug_report_url);
+ exit (ICE_EXIT_CODE);
-/* Zero out any diagnostic data used so far by BUFFER. */
+ case DK_FATAL:
+ if (context->abort_on_error)
+ real_abort ();
-static void
-clear_diagnostic_info (buffer)
- output_buffer *buffer;
-{
- output_buffer_text_cursor (buffer) = NULL;
- output_buffer_ptr_to_format_args (buffer) = NULL;
- prefix_was_emitted_for (buffer) = 0;
- output_indentation (buffer) = 0;
-}
-
-/* Construct an output BUFFER with PREFIX and of MAXIMUM_LENGTH
- characters per line. */
+ fnotice (stderr, "compilation terminated.\n");
+ exit (FATAL_EXIT_CODE);
-void
-init_output_buffer (buffer, prefix, maximum_length)
- output_buffer *buffer;
- const char *prefix;
- int maximum_length;
-{
- memset (buffer, 0, sizeof (output_buffer));
- obstack_init (&buffer->obstack);
- output_buffer_attached_stream (buffer) = stderr;
- diagnostic_line_cutoff (buffer) = maximum_length;
- diagnostic_prefixing_rule (buffer) = diagnostic_prefixing_rule (global_dc);
- output_set_prefix (buffer, prefix);
- output_text_length (buffer) = 0;
- clear_diagnostic_info (buffer);
+ default:
+ gcc_unreachable ();
+ }
}
-/* Reinitialize BUFFER. */
-
+/* Prints out, if necessary, the name of the current function
+ that caused an error. Called from all error and warning functions. */
void
-output_clear (buffer)
- output_buffer *buffer;
-{
- output_clear_message_text (buffer);
- clear_diagnostic_info (buffer);
-}
-
-/* Finishes constructing a NULL-terminated character string representing
- the BUFFERed message. */
-
-const char *
-output_finalize_message (buffer)
- output_buffer *buffer;
+diagnostic_report_current_function (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
- obstack_1grow (&buffer->obstack, '\0');
- return output_message_text (buffer);
+ diagnostic_report_current_module (context);
+ lang_hooks.print_error_function (context, input_filename, diagnostic);
}
void
-flush_diagnostic_buffer ()
+diagnostic_report_current_module (diagnostic_context *context)
{
- output_buffer_to_stream (diagnostic_buffer);
- fflush (output_buffer_attached_stream (diagnostic_buffer));
-}
+ const struct line_map *map;
-/* Return the amount of characters BUFFER can accept to
- make a full line. */
-
-int
-output_space_left (buffer)
- const output_buffer *buffer;
-{
- return line_wrap_cutoff (buffer) - output_text_length (buffer);
-}
-
-/* Write out BUFFER's prefix. */
-
-void
-output_emit_prefix (buffer)
- output_buffer *buffer;
-{
- if (output_prefix (buffer) != NULL)
+ if (pp_needs_newline (context->printer))
{
- switch (diagnostic_prefixing_rule (buffer))
- {
- default:
- case DIAGNOSTICS_SHOW_PREFIX_NEVER:
- break;
-
- case DIAGNOSTICS_SHOW_PREFIX_ONCE:
- if (prefix_was_emitted_for (buffer))
- {
- output_indent (buffer);
- break;
- }
- output_indentation (buffer) += 3;
- /* Fall through. */
-
- case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE:
- {
- int prefix_length = strlen (output_prefix (buffer));
- output_append_r (buffer, output_prefix (buffer), prefix_length);
- prefix_was_emitted_for (buffer) = 1;
- }
- break;
- }
+ pp_newline (context->printer);
+ pp_needs_newline (context->printer) = false;
}
-}
-
-/* Have BUFFER start a new line. */
-
-void
-output_add_newline (buffer)
- output_buffer *buffer;
-{
- obstack_1grow (&buffer->obstack, '\n');
- output_text_length (buffer) = 0;
-}
-/* Appends a character to BUFFER. */
+ if (input_location <= BUILTINS_LOCATION)
+ return;
-void
-output_add_character (buffer, c)
- output_buffer *buffer;
- int c;
-{
- if (output_is_line_wrapping (buffer) && output_space_left (buffer) <= 0)
- output_add_newline (buffer);
- obstack_1grow (&buffer->obstack, c);
- ++output_text_length (buffer);
-}
-
-/* Adds a space to BUFFER. */
-
-void
-output_add_space (buffer)
- output_buffer *buffer;
-{
- if (output_is_line_wrapping (buffer) && output_space_left (buffer) <= 0)
+ map = linemap_lookup (line_table, input_location);
+ if (map && diagnostic_last_module_changed (context, map))
{
- output_add_newline (buffer);
- return;
+ diagnostic_set_last_module (context, map);
+ if (! MAIN_FILE_P (map))
+ {
+ map = INCLUDED_FROM (line_table, map);
+ pp_verbatim (context->printer,
+ "In file included from %s:%d",
+ map->to_file, LAST_SOURCE_LINE (map));
+ while (! MAIN_FILE_P (map))
+ {
+ map = INCLUDED_FROM (line_table, map);
+ pp_verbatim (context->printer,
+ ",\n from %s:%d",
+ map->to_file, LAST_SOURCE_LINE (map));
+ }
+ pp_verbatim (context->printer, ":");
+ pp_newline (context->printer);
+ }
}
- obstack_1grow (&buffer->obstack, ' ');
- ++output_text_length (buffer);
-}
-
-/* These functions format an INTEGER into BUFFER as suggested by their
- names. */
-
-void
-output_decimal (buffer, i)
- output_buffer *buffer;
- int i;
-{
- output_formatted_integer (buffer, "%d", i);
-}
-
-static void
-output_long_decimal (buffer, i)
- output_buffer *buffer;
- long int i;
-{
- output_formatted_integer (buffer, "%ld", i);
-}
-
-static void
-output_unsigned_decimal (buffer, i)
- output_buffer *buffer;
- unsigned int i;
-{
- output_formatted_integer (buffer, "%u", i);
-}
-
-static void
-output_long_unsigned_decimal (buffer, i)
- output_buffer *buffer;
- long unsigned int i;
-{
- output_formatted_integer (buffer, "%lu", i);
-}
-
-static void
-output_octal (buffer, i)
- output_buffer *buffer;
- unsigned int i;
-{
- output_formatted_integer (buffer, "%o", i);
}
static void
-output_long_octal (buffer, i)
- output_buffer *buffer;
- unsigned long int i;
+default_diagnostic_starter (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
- output_formatted_integer (buffer, "%lo", i);
+ diagnostic_report_current_function (context, diagnostic);
+ pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
}
static void
-output_hexadecimal (buffer, i)
- output_buffer *buffer;
- unsigned int i;
+default_diagnostic_finalizer (diagnostic_context *context,
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
{
- output_formatted_integer (buffer, "%x", i);
+ pp_destroy_prefix (context->printer);
}
-static void
-output_long_hexadecimal (buffer, i)
- output_buffer *buffer;
- unsigned long int i;
+/* Interface to specify diagnostic kind overrides. Returns the
+ previous setting, or DK_UNSPECIFIED if the parameters are out of
+ range. */
+diagnostic_t
+diagnostic_classify_diagnostic (diagnostic_context *context,
+ int option_index,
+ diagnostic_t new_kind)
{
- output_formatted_integer (buffer, "%lx", i);
-}
+ diagnostic_t old_kind;
-/* Append to BUFFER a string specified by its STARTING character
- and LENGTH. */
+ if (option_index <= 0
+ || option_index >= N_OPTS
+ || new_kind >= DK_LAST_DIAGNOSTIC_KIND)
+ return DK_UNSPECIFIED;
-static void
-output_append_r (buffer, start, length)
- output_buffer *buffer;
- const char *start;
- int length;
-{
- obstack_grow (&buffer->obstack, start, length);
- output_text_length (buffer) += length;
+ old_kind = context->classify_diagnostic[option_index];
+ context->classify_diagnostic[option_index] = new_kind;
+ return old_kind;
}
-/* Append a string deliminated by START and END to BUFFER. No wrapping is
- done. However, if beginning a new line then emit output_prefix (BUFFER)
- and skip any leading whitespace if appropriate. The caller must ensure
- that it is safe to do so. */
+/* Report a diagnostic message (an error or a warning) as specified by
+ DC. This function is *the* subroutine in terms of which front-ends
+ should implement their specific diagnostic handling modules. The
+ front-end independent format specifiers are exactly those described
+ in the documentation of output_format. */
void
-output_append (buffer, start, end)
- output_buffer *buffer;
- const char *start;
- const char *end;
+diagnostic_report_diagnostic (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
- /* Emit prefix and skip whitespace if we're starting a new line. */
- if (is_starting_newline (buffer))
- {
- output_emit_prefix (buffer);
- if (output_is_line_wrapping (buffer))
- while (start != end && *start == ' ')
- ++start;
- }
- output_append_r (buffer, start, end - start);
-}
-
-static void
-output_indent (buffer)
- output_buffer *buffer;
-{
- int n = output_indentation (buffer);
- int i;
-
- for (i = 0; i < n; ++i)
- output_add_character (buffer, ' ');
-}
-
-/* Wrap a text delimited by START and END into BUFFER. */
+ bool maybe_print_warnings_as_errors_message = false;
+ const char *saved_format_spec;
-static void
-wrap_text (buffer, start, end)
- output_buffer *buffer;
- const char *start;
- const char *end;
-{
- int is_wrapping = output_is_line_wrapping (buffer);
+ /* Give preference to being able to inhibit warnings, before they
+ get reclassified to something else. */
+ if (diagnostic->kind == DK_WARNING
+ && !diagnostic_report_warnings_p ())
+ return;
- while (start != end)
+ if (context->lock > 0)
{
- /* Dump anything bodered by whitespaces. */
- {
- const char *p = start;
- while (p != end && *p != ' ' && *p != '\n')
- ++p;
- if (is_wrapping && p - start >= output_space_left (buffer))
- output_add_newline (buffer);
- output_append (buffer, start, p);
- start = p;
- }
-
- if (start != end && *start == ' ')
- {
- output_add_space (buffer);
- ++start;
- }
- if (start != end && *start == '\n')
- {
- output_add_newline (buffer);
- ++start;
- }
- }
-}
-
-/* Same as wrap_text but wrap text only when in line-wrapping mode. */
-
-static void
-maybe_wrap_text (buffer, start, end)
- output_buffer *buffer;
- const char *start;
- const char *end;
-{
- if (output_is_line_wrapping (buffer))
- wrap_text (buffer, start, end);
- else
- output_append (buffer, start, end);
-}
-
-
-/* Append a STRING to BUFFER; the STRING might be line-wrapped if in
- appropriate mode. */
-
-void
-output_add_string (buffer, str)
- output_buffer *buffer;
- const char *str;
-{
- maybe_wrap_text (buffer, str, str + (str ? strlen (str) : 0));
-}
-
-/* Flush the content of BUFFER onto the attached stream,
- and reinitialize. */
-
-static void
-output_buffer_to_stream (buffer)
- output_buffer *buffer;
-{
- const char *text = output_finalize_message (buffer);
- fputs (text, output_buffer_attached_stream (buffer));
- output_clear_message_text (buffer);
-}
-
-/* Format a message pointed to by output_buffer_text_cursor (BUFFER) using
- output_buffer_format_args (BUFFER) as appropriate. The following format
- specifiers are recognized as being language independent:
- %d, %i: (signed) integer in base ten.
- %u: unsigned integer in base ten.
- %o: unsigned integer in base eight.
- %x: unsigned integer in base sixteen.
- %ld, %li, %lo, %lu, %lx: long versions of the above.
- %c: character.
- %s: string.
- %%: `%'.
- %*.s: a substring the length of which is specified by an integer. */
-
-static void
-output_format (buffer)
- output_buffer *buffer;
-{
- for (; *output_buffer_text_cursor (buffer);
- ++output_buffer_text_cursor (buffer))
- {
- int long_integer = 0;
-
- /* Ignore text. */
- {
- const char *p = output_buffer_text_cursor (buffer);
- while (*p && *p != '%')
- ++p;
- wrap_text (buffer, output_buffer_text_cursor (buffer), p);
- output_buffer_text_cursor (buffer) = p;
- }
-
- if (!*output_buffer_text_cursor (buffer))
- break;
-
- /* We got a '%'. Let's see what happens. Record whether we're
- parsing a long integer format specifier. */
- if (*++output_buffer_text_cursor (buffer) == 'l')
- {
- long_integer = 1;
- ++output_buffer_text_cursor (buffer);
- }
-
- /* Handle %c, %d, %i, %ld, %li, %lo, %lu, %lx, %o, %s, %u,
- %x, %.*s; %%. And nothing else. Front-ends should install
- printers to grok language specific format specifiers. */
- switch (*output_buffer_text_cursor (buffer))
- {
- case 'c':
- output_add_character
- (buffer, va_arg (output_buffer_format_args (buffer), int));
- break;
-
- case 'd':
- case 'i':
- if (long_integer)
- output_long_decimal
- (buffer, va_arg (output_buffer_format_args (buffer), long int));
- else
- output_decimal
- (buffer, va_arg (output_buffer_format_args (buffer), int));
- break;
-
- case 'o':
- if (long_integer)
- output_long_octal (buffer,
- va_arg (output_buffer_format_args (buffer),
- unsigned long int));
- else
- output_octal (buffer,
- va_arg (output_buffer_format_args (buffer),
- unsigned int));
- break;
-
- case 's':
- output_add_string (buffer,
- va_arg (output_buffer_format_args (buffer),
- const char *));
- break;
-
- case 'u':
- if (long_integer)
- output_long_unsigned_decimal
- (buffer, va_arg (output_buffer_format_args (buffer),
- long unsigned int));
- else
- output_unsigned_decimal
- (buffer, va_arg (output_buffer_format_args (buffer),
- unsigned int));
- break;
-
- case 'x':
- if (long_integer)
- output_long_hexadecimal
- (buffer, va_arg (output_buffer_format_args (buffer),
- unsigned long int));
- else
- output_hexadecimal
- (buffer, va_arg (output_buffer_format_args (buffer),
- unsigned int));
- break;
-
- case '%':
- output_add_character (buffer, '%');
- break;
-
- case '.':
- {
- int n;
- const char *s;
- /* We handle no precision specifier but `%.*s'. */
- if (*++output_buffer_text_cursor (buffer) != '*')
- abort ();
- else if (*++output_buffer_text_cursor (buffer) != 's')
- abort();
- n = va_arg (output_buffer_format_args (buffer), int);
- s = va_arg (output_buffer_format_args (buffer), const char *);
- output_append (buffer, s, s + n);
- }
- break;
-
- default:
- if (!buffer->format_decoder || !(*buffer->format_decoder) (buffer))
- {
- /* Hmmm. The front-end failed to install a format translator
- but called us with an unrecognized format. Sorry. */
- abort ();
- }
- }
- }
-}
-
-static char *
-vbuild_message_string (msg, ap)
- const char *msg;
- va_list ap;
-{
- char *str;
-
- vasprintf (&str, msg, ap);
- return str;
-}
-
-/* Return a malloc'd string containing MSG formatted a la
- printf. The caller is reponsible for freeing the memory. */
-
-static char *
-build_message_string VPARAMS ((const char *msg, ...))
-{
-#ifndef ANSI_PROTOTYPES
- const char *msg;
-#endif
- va_list ap;
- char *str;
-
- VA_START (ap, msg);
-
-#ifndef ANSI_PROTOTYPES
- msg = va_arg (ap, const char *);
-#endif
-
- str = vbuild_message_string (msg, ap);
-
- va_end (ap);
-
- return str;
-}
-
-/* Return a malloc'd string describing a location. The caller is
- responsible for freeing the memory. */
-
-char *
-context_as_prefix (file, line, warn)
- const char *file;
- int line;
- int warn;
-{
- if (file)
- {
- if (warn)
- return build_message_string (_("%s:%d: warning: "), file, line);
+ /* If we're reporting an ICE in the middle of some other error,
+ try to flush out the previous error, then let this one
+ through. Don't do this more than once. */
+ if (diagnostic->kind == DK_ICE && context->lock == 1)
+ pp_flush (context->printer);
else
- return build_message_string ("%s:%d: ", file, line);
+ error_recursion (context);
}
- else
- {
- if (warn)
- return build_message_string (_("%s: warning: "), progname);
- else
- return build_message_string ("%s: ", progname);
- }
-}
-
-/* Same as context_as_prefix, but only the source FILE is given. */
-
-char *
-file_name_as_prefix (f)
- const char *f;
-{
- return build_message_string ("%s: ", f);
-}
-
-/* Format a MESSAGE into BUFFER. Automatically wrap lines. */
-
-static void
-output_do_printf (buffer, msg)
- output_buffer *buffer;
- const char *msg;
-{
- char *message = vbuild_message_string (msg,
- output_buffer_format_args (buffer));
-
- wrap_text (buffer, message, message + strlen (message));
- free (message);
-}
-
-
-/* Format a message into BUFFER a la printf. */
-
-void
-output_printf VPARAMS ((struct output_buffer *buffer, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- struct output_buffer *buffer;
- const char *msgid;
-#endif
- va_list ap;
- va_list *old_args;
-
- VA_START (ap, msgid);
-#ifndef ANSI_PROTOTYPES
- buffer = va_arg (ap, output_buffer *);
- msgid = va_arg (ap, const char *);
-#endif
- old_args = output_buffer_ptr_to_format_args (buffer);
- output_buffer_ptr_to_format_args (buffer) = ≈
- output_do_printf (buffer, _(msgid));
- output_buffer_ptr_to_format_args (buffer) = old_args;
- va_end (ap);
-}
-
-/* Print a message relevant to the given DECL. */
-static void
-format_with_decl (buffer, decl)
- output_buffer *buffer;
- tree decl;
-{
- const char *p;
-
- /* Do magic to get around lack of varargs support for insertion
- of arguments into existing list. We know that the decl is first;
- we ass_u_me that it will be printed with "%s". */
- for (p = output_buffer_text_cursor (buffer); *p; ++p)
+ /* If the user requested that warnings be treated as errors, so be
+ it. Note that we do this before the next block so that
+ individual warnings can be overridden back to warnings with
+ -Wno-error=*. */
+ if (context->warning_as_error_requested
+ && diagnostic->kind == DK_WARNING)
{
- if (*p == '%')
- {
- if (*(p + 1) == '%')
- ++p;
- else if (*(p + 1) != 's')
- abort ();
- else
- break;
- }
+ diagnostic->kind = DK_ERROR;
+ maybe_print_warnings_as_errors_message = true;
}
-
- /* Print the left-hand substring. */
- maybe_wrap_text (buffer, output_buffer_text_cursor (buffer), p);
- if (*p == '%') /* Print the name. */
+ if (diagnostic->option_index)
{
- const char *n = (DECL_NAME (decl)
- ? (*decl_printable_name) (decl, 2)
- : _("((anonymous))"));
- output_add_string (buffer, n);
- while (*p)
+ /* This tests if the user provided the appropriate -Wfoo or
+ -Wno-foo option. */
+ if (! option_enabled (diagnostic->option_index))
+ return;
+ /* This tests if the user provided the appropriate -Werror=foo
+ option. */
+ if (context->classify_diagnostic[diagnostic->option_index] != DK_UNSPECIFIED)
{
- ++p;
- if (ISALPHA (*(p - 1) & 0xFF))
- break;
+ diagnostic->kind = context->classify_diagnostic[diagnostic->option_index];
+ maybe_print_warnings_as_errors_message = false;
}
+ /* This allows for future extensions, like temporarily disabling
+ warnings for ranges of source code. */
+ if (diagnostic->kind == DK_IGNORED)
+ return;
}
- if (*p) /* Print the rest of the message. */
+ /* If we changed the kind due to -Werror, and didn't override it, we
+ need to print this message. */
+ if (context->issue_warnings_are_errors_message
+ && maybe_print_warnings_as_errors_message)
{
- output_buffer_text_cursor (buffer) = p;
- output_format (buffer);
+ pp_verbatim (context->printer,
+ "%s: warnings being treated as errors\n", progname);
+ context->issue_warnings_are_errors_message = false;
}
-}
-
-/* Report a diagnostic MESSAGE at the declaration DECL.
- MSG is a format string which uses %s to substitute the declaration
- name; subsequent substitutions are a la output_format. */
-
-static void
-diagnostic_for_decl (decl, msgid, args_ptr, warn)
- tree decl;
- const char *msgid;
- va_list *args_ptr;
- int warn;
-{
- output_state os;
+ context->lock++;
- if (diagnostic_lock++)
- error_recursion ();
-
- if (count_error (warn))
- {
- os = output_buffer_state (diagnostic_buffer);
- report_error_function (DECL_SOURCE_FILE (decl));
- output_set_prefix
- (diagnostic_buffer, context_as_prefix
- (DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl), warn));
- output_buffer_ptr_to_format_args (diagnostic_buffer) = args_ptr;
- output_buffer_text_cursor (diagnostic_buffer) = _(msgid);
- format_with_decl (diagnostic_buffer, decl);
- diagnostic_finish ((output_buffer *)global_dc);
- output_destroy_prefix (diagnostic_buffer);
-
- output_buffer_state (diagnostic_buffer) = os;
- }
- diagnostic_lock--;
-}
-
-\f
-/* Count an error or warning. Return 1 if the message should be printed. */
-
-int
-count_error (warningp)
- int warningp;
-{
- if (warningp && !diagnostic_report_warnings_p ())
- return 0;
-
- if (warningp && !warnings_are_errors)
- warningcount++;
- else
+ if (diagnostic->kind == DK_ICE)
{
- static int warning_message = 0;
-
- if (warningp && !warning_message)
+#ifndef ENABLE_CHECKING
+ /* When not checking, ICEs are converted to fatal errors when an
+ error has already occurred. This is counteracted by
+ abort_on_error. */
+ if ((diagnostic_kind_count (context, DK_ERROR) > 0
+ || diagnostic_kind_count (context, DK_SORRY) > 0)
+ && !context->abort_on_error)
{
- verbatim ("%s: warnings being treated as errors\n", progname);
- warning_message = 1;
+ expanded_location s = expand_location (diagnostic->location);
+ fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
+ s.file, s.line);
+ exit (ICE_EXIT_CODE);
}
- errorcount++;
+#endif
+ if (context->internal_error)
+ (*context->internal_error) (diagnostic->message.format_spec,
+ diagnostic->message.args_ptr);
}
+ ++diagnostic_kind_count (context, diagnostic->kind);
+
+ saved_format_spec = diagnostic->message.format_spec;
+ if (context->show_option_requested && diagnostic->option_index)
+ diagnostic->message.format_spec
+ = ACONCAT ((diagnostic->message.format_spec,
+ " [", cl_options[diagnostic->option_index].opt_text, "]", NULL));
+
+ diagnostic->message.locus = &diagnostic->location;
+ diagnostic->message.abstract_origin = &diagnostic->abstract_origin;
+ diagnostic->abstract_origin = NULL;
+ pp_format (context->printer, &diagnostic->message);
+ (*diagnostic_starter (context)) (context, diagnostic);
+ pp_output_formatted_text (context->printer);
+ (*diagnostic_finalizer (context)) (context, diagnostic);
+ pp_flush (context->printer);
+ diagnostic_action_after_output (context, diagnostic);
+ diagnostic->message.format_spec = saved_format_spec;
+ diagnostic->abstract_origin = NULL;
- return 1;
+ context->lock--;
}
-/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
- runs its second argument through gettext. */
+/* Given a partial pathname as input, return another pathname that
+ shares no directory elements with the pathname of __FILE__. This
+ is used by fancy_abort() to print `Internal compiler error in expr.c'
+ instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
-void
-fnotice VPARAMS ((FILE *file, const char *msgid, ...))
+const char *
+trim_filename (const char *name)
{
-#ifndef ANSI_PROTOTYPES
- FILE *file;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- file = va_arg (ap, FILE *);
- msgid = va_arg (ap, const char *);
-#endif
-
- vfprintf (file, _(msgid), ap);
- va_end (ap);
-}
-
+ static const char this_file[] = __FILE__;
+ const char *p = name, *q = this_file;
-/* Print a fatal I/O error message. Argument are like printf.
- Also include a system error message based on `errno'. */
+ /* First skip any "../" in each filename. This allows us to give a proper
+ reference to a file in a subdirectory. */
+ while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
+ p += 3;
-void
-fatal_io_error VPARAMS ((const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
- va_list ap;
- output_state os;
+ while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
+ q += 3;
- os = output_buffer_state (diagnostic_buffer);
- VA_START (ap, msgid);
+ /* Now skip any parts the two filenames have in common. */
+ while (*p == *q && *p != 0 && *q != 0)
+ p++, q++;
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
+ /* Now go backwards until the previous directory separator. */
+ while (p > name && !IS_DIR_SEPARATOR (p[-1]))
+ p--;
- output_printf (diagnostic_buffer, "%s: %s: ", progname, xstrerror (errno));
- output_buffer_ptr_to_format_args (diagnostic_buffer) = ≈
- output_buffer_text_cursor (diagnostic_buffer) = _(msgid);
- output_format (diagnostic_buffer);
- diagnostic_finish ((output_buffer *)global_dc);
- output_buffer_state (diagnostic_buffer) = os;
- va_end (ap);
- exit (FATAL_EXIT_CODE);
+ return p;
}
+\f
+/* Standard error reporting routines in increasing order of severity.
+ All of these take arguments like printf. */
-/* Issue a pedantic warning MSGID. */
-
+/* Text to be emitted verbatim to the error message stream; this
+ produces no prefix and disables line-wrapping. Use rarely. */
void
-pedwarn VPARAMS ((const char *msgid, ...))
+verbatim (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ text_info text;
va_list ap;
- diagnostic_context dc;
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context
- (&dc, msgid, &ap, input_filename, lineno, !flag_pedantic_errors);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ text.err_no = errno;
+ text.args_ptr = ≈
+ text.format_spec = _(gmsgid);
+ text.locus = NULL;
+ text.abstract_origin = NULL;
+ pp_format_verbatim (global_dc->printer, &text);
+ pp_flush (global_dc->printer);
va_end (ap);
}
-/* Issue a pedantic waring about DECL. */
-
+/* An informative note. Use this for additional details on an error
+ message. */
void
-pedwarn_with_decl VPARAMS ((tree decl, const char *msgid, ...))
+inform (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- tree decl;
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- decl = va_arg (ap, tree);
- msgid = va_arg (ap, const char *);
-#endif
- /* We don't want -pedantic-errors to cause the compilation to fail from
- "errors" in system header files. Sometimes fixincludes can't fix what's
- broken (eg: unsigned char bitfields - fixing it may change the alignment
- which will cause programs to mysteriously fail because the C library
- or kernel uses the original layout). There's no point in issuing a
- warning either, it's just unnecessary noise. */
- if (!DECL_IN_SYSTEM_HEADER (decl))
- diagnostic_for_decl (decl, msgid, &ap, !flag_pedantic_errors);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_NOTE);
+ report_diagnostic (&diagnostic);
va_end (ap);
}
-/* Same as above but within the context FILE and LINE. */
-
+/* A warning. Use this for code which is correct according to the
+ relevant language specification but is likely to be buggy anyway. */
void
-pedwarn_with_file_and_line VPARAMS ((const char *file, int line,
- const char *msgid, ...))
+warning (int opt, const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *file;
- int line;
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
- VA_START (ap, msgid);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
+ diagnostic.option_index = opt;
-#ifndef ANSI_PROTOTYPES
- file = va_arg (ap, const char *);
- line = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context (&dc, msgid, &ap, file, line, !flag_pedantic_errors);
- report_diagnostic (&dc);
+ report_diagnostic (&diagnostic);
va_end (ap);
}
-/* Just apologize with MSGID. */
-
void
-sorry VPARAMS ((const char *msgid, ...))
+warning0 (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- output_state os;
- os = output_buffer_state (diagnostic_buffer);
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
- ++sorrycount;
- output_set_prefix
- (diagnostic_buffer, context_as_prefix (input_filename, lineno, 0));
- output_printf (diagnostic_buffer, "sorry, not implemented: ");
- output_buffer_ptr_to_format_args (diagnostic_buffer) = ≈
- output_buffer_text_cursor (diagnostic_buffer) = _(msgid);
- output_format (diagnostic_buffer);
- diagnostic_finish ((output_buffer *)global_dc);
- output_buffer_state (diagnostic_buffer) = os;
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
+ report_diagnostic (&diagnostic);
va_end (ap);
}
-/* Called when the start of a function definition is parsed,
- this function prints on stderr the name of the function. */
-
-void
-announce_function (decl)
- tree decl;
-{
- if (! quiet_flag)
- {
- if (rtl_dump_and_exit)
- verbatim ("%s ", IDENTIFIER_POINTER (DECL_NAME (decl)));
- else
- verbatim (" %s", (*decl_printable_name) (decl, 2));
- fflush (stderr);
- output_needs_newline (diagnostic_buffer) = 1;
- record_last_error_function ();
- }
-}
-
-/* The default function to print out name of current function that caused
- an error. */
-
-void
-default_print_error_function (context, file)
- diagnostic_context *context;
- const char *file;
-{
- if (error_function_changed ())
- {
- char *prefix = file ? build_message_string ("%s: ", file) : NULL;
- output_state os;
-
- os = output_buffer_state (context);
- output_set_prefix ((output_buffer *)context, prefix);
-
- if (current_function_decl == NULL)
- output_add_string ((output_buffer *)context, _("At top level:"));
- else
- {
- if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE)
- output_printf
- ((output_buffer *)context, "In member function `%s':",
- (*decl_printable_name) (current_function_decl, 2));
- else
- output_printf
- ((output_buffer *)context, "In function `%s':",
- (*decl_printable_name) (current_function_decl, 2));
- }
- output_add_newline ((output_buffer *)context);
-
- record_last_error_function ();
- output_buffer_to_stream ((output_buffer *)context);
- output_buffer_state (context) = os;
- free ((char*) prefix);
- }
-}
-
-/* Prints out, if necessary, the name of the current function
- that caused an error. Called from all error and warning functions.
- We ignore the FILE parameter, as it cannot be relied upon. */
-
-void
-report_error_function (file)
- const char *file ATTRIBUTE_UNUSED;
-{
- report_problematic_module ((output_buffer *)global_dc);
- (*print_error_function) (global_dc, input_filename);
-}
-
-void
-error_with_file_and_line VPARAMS ((const char *file, int line,
- const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- const char *file;
- int line;
- const char *msgid;
-#endif
- va_list ap;
- diagnostic_context dc;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- file = va_arg (ap, const char *);
- line = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context (&dc, msgid, &ap, file, line, /* warn = */ 0);
- report_diagnostic (&dc);
- va_end (ap);
-}
+/* A "pedantic" warning: issues a warning unless -pedantic-errors was
+ given on the command line, in which case it issues an error. Use
+ this for diagnostics required by the relevant language standard,
+ if you have chosen not to make them errors.
+ Note that these diagnostics are issued independent of the setting
+ of the -pedantic command-line switch. To get a warning enabled
+ only with that switch, write "if (pedantic) pedwarn (...);" */
void
-error_with_decl VPARAMS ((tree decl, const char *msgid, ...))
+pedwarn (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- tree decl;
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- decl = va_arg (ap, tree);
- msgid = va_arg (ap, const char *);
-#endif
-
- diagnostic_for_decl (decl, msgid, &ap, /* warn = */ 0);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
+ pedantic_warning_kind ());
+ report_diagnostic (&diagnostic);
va_end (ap);
}
-
-/* Report an error message. The arguments are like that of printf. */
+/* A "permissive" error: issues an error unless -fpermissive was given
+ on the command line, in which case it issues a warning. Use this
+ for things that really should be errors but we want to support
+ legacy code. */
void
-error VPARAMS ((const char *msgid, ...))
+permerror (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
- set_diagnostic_context
- (&dc, msgid, &ap, input_filename, lineno, /* warn = */ 0);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
+ report_diagnostic (&diagnostic);
va_end (ap);
}
-/* Likewise, except that the compilation is terminated after printing the
- error message. */
+/* A hard error: the code is definitely ill-formed, and an object file
+ will not be produced. */
void
-fatal_error VPARAMS ((const char *msgid, ...))
+error (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context
- (&dc, msgid, &ap, input_filename, lineno, /* warn = */ 0);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
+ report_diagnostic (&diagnostic);
va_end (ap);
-
- fnotice (stderr, "compilation terminated.\n");
- exit (FATAL_EXIT_CODE);
}
-/* Report a compiler error at the current line number. Allow a front end to
- intercept the message. */
-
-static void (*internal_error_function) PARAMS ((const char *, va_list *));
-
-/* Set the function to call when a compiler error occurs. */
-
+/* "Sorry, not implemented." Use for a language feature which is
+ required by the relevant specification but not implemented by GCC.
+ An object file will not be produced. */
void
-set_internal_error_function (f)
- void (*f) PARAMS ((const char *, va_list *));
+sorry (const char *gmsgid, ...)
{
- internal_error_function = f;
-}
-
-void
-internal_error VPARAMS ((const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
-
- VA_START (ap, msgid);
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
-
- if (diagnostic_lock)
- error_recursion ();
-
- if (errorcount > 0 || sorrycount > 0)
- {
- fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
- input_filename, lineno);
- exit (FATAL_EXIT_CODE);
- }
-
- if (internal_error_function != 0)
- (*internal_error_function) (_(msgid), &ap);
-
- set_diagnostic_context
- (&dc, msgid, &ap, input_filename, lineno, /* warn = */0);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
+ report_diagnostic (&diagnostic);
va_end (ap);
-
- fnotice (stderr,
-"Please submit a full bug report,\n\
-with preprocessed source if appropriate.\n\
-See %s for instructions.\n", GCCBUGURL);
- exit (FATAL_EXIT_CODE);
}
+/* An error which is severe enough that we make no attempt to
+ continue. Do not use this for internal consistency checks; that's
+ internal_error. Use of this function should be rare. */
void
-warning_with_file_and_line VPARAMS ((const char *file, int line,
- const char *msgid, ...))
+fatal_error (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *file;
- int line;
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- file = va_arg (ap, const char *);
- line = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context (&dc, msgid, &ap, file, line, /* warn = */ 1);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
+ report_diagnostic (&diagnostic);
va_end (ap);
-}
-void
-warning_with_decl VPARAMS ((tree decl, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- tree decl;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- decl = va_arg (ap, tree);
- msgid = va_arg (ap, const char *);
-#endif
-
- diagnostic_for_decl (decl, msgid, &ap, /* warn = */ 1);
- va_end (ap);
+ gcc_unreachable ();
}
+/* An internal consistency check has failed. We make no attempt to
+ continue. Note that unless there is debugging value to be had from
+ a more specific message, or some other good reason, you should use
+ abort () instead of calling this function directly. */
void
-warning VPARAMS ((const char *msgid, ...))
+internal_error (const char *gmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
+ diagnostic_info diagnostic;
va_list ap;
- diagnostic_context dc;
-
- VA_START (ap, msgid);
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
-
- set_diagnostic_context
- (&dc, msgid, &ap, input_filename, lineno, /* warn = */ 1);
- report_diagnostic (&dc);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
+ report_diagnostic (&diagnostic);
va_end (ap);
-}
-
-/* Flush diagnostic_buffer content on stderr. */
-
-static void
-diagnostic_finish (buffer)
- output_buffer *buffer;
-{
- output_buffer_to_stream (buffer);
- clear_diagnostic_info (buffer);
- fputc ('\n', output_buffer_attached_stream (buffer));
- fflush (output_buffer_attached_stream (buffer));
-}
-
-/* Helper subroutine of output_verbatim and verbatim. Do the approriate
- settings needed by BUFFER for a verbatim formatting. */
-
-static void
-output_do_verbatim (buffer, msgid, args_ptr)
- output_buffer *buffer;
- const char *msgid;
- va_list *args_ptr;
-{
- output_state os;
-
- os = output_buffer_state (buffer);
- output_prefix (buffer) = NULL;
- diagnostic_prefixing_rule (buffer) = DIAGNOSTICS_SHOW_PREFIX_NEVER;
- output_buffer_text_cursor (buffer) = _(msgid);
- output_buffer_ptr_to_format_args (buffer) = args_ptr;
- output_set_maximum_length (buffer, 0);
- output_format (buffer);
- output_buffer_state (buffer) = os;
-}
-
-/* Output MESSAGE verbatim into BUFFER. */
-
-void
-output_verbatim VPARAMS ((output_buffer *buffer, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- output_buffer *buffer;
- const char *msgid;
-#endif
- va_list ap;
- VA_START (ap, msgid);
-#ifndef ANSI_PROTOTYPES
- buffer = va_arg (ap, output_buffer *);
- msg = va_arg (ap, const char *);
-#endif
- output_do_verbatim (buffer, msgid, &ap);
- va_end (ap);
+ gcc_unreachable ();
}
+\f
+/* Special case error functions. Most are implemented in terms of the
+ above, or should be. */
-/* Same as above but use diagnostic_buffer. */
-
+/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
+ runs its second argument through gettext. */
void
-verbatim VPARAMS ((const char *msgid, ...))
+fnotice (FILE *file, const char *cmsgid, ...)
{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
va_list ap;
- VA_START (ap, msgid);
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
- output_do_verbatim (diagnostic_buffer, msgid, &ap);
- output_buffer_to_stream (diagnostic_buffer);
+ va_start (ap, cmsgid);
+ vfprintf (file, _(cmsgid), ap);
va_end (ap);
}
-/* Report a diagnostic message (an error or a warning) as specified by
- DC. This function is *the* subroutine in terms of which front-ends
- should implement their specific diagnostic handling modules. The
- front-end independent format specifiers are exactly those described
- in the documentation of output_format. */
-
-void
-report_diagnostic (dc)
- diagnostic_context *dc;
-{
- output_state os;
-
- if (diagnostic_lock++)
- error_recursion ();
-
- if (count_error (diagnostic_is_warning (dc)))
- {
- os = output_buffer_state (diagnostic_buffer);
- diagnostic_msg = diagnostic_message (dc);
- diagnostic_args = diagnostic_argument_list (dc);
- (*diagnostic_starter (dc)) (diagnostic_buffer, dc);
- output_format (diagnostic_buffer);
- (*diagnostic_finalizer (dc)) (diagnostic_buffer, dc);
- diagnostic_finish ((output_buffer *)global_dc);
- output_buffer_state (diagnostic_buffer) = os;
- }
-
- diagnostic_lock--;
-}
-
/* Inform the user that an error occurred while trying to report some
other error. This indicates catastrophic internal inconsistencies,
so give up now. But do try to flush out the previous error.
This mustn't use internal_error, that will cause infinite recursion. */
static void
-error_recursion ()
+error_recursion (diagnostic_context *context)
{
- if (diagnostic_lock < 3)
- diagnostic_finish ((output_buffer *)global_dc);
+ diagnostic_info diagnostic;
+
+ if (context->lock < 3)
+ pp_flush (context->printer);
fnotice (stderr,
"Internal compiler error: Error reporting routines re-entered.\n");
- fnotice (stderr,
-"Please submit a full bug report,\n\
-with preprocessed source if appropriate.\n\
-See %s for instructions.\n", GCCBUGURL);
- exit (FATAL_EXIT_CODE);
-}
-
-/* Given a partial pathname as input, return another pathname that
- shares no directory elements with the pathname of __FILE__. This
- is used by fancy_abort() to print `Internal compiler error in expr.c'
- instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
-
-const char *
-trim_filename (name)
- const char *name;
-{
- static const char this_file[] = __FILE__;
- const char *p = name, *q = this_file;
-
- /* First skip any "../" in each filename. This allows us to give a proper
- reference to a file in a subdirectory. */
- while (p[0] == '.' && p[1] == '.'
- && (p[2] == DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- || p[2] == DIR_SEPARATOR_2
-#endif
- ))
- p += 3;
- while (q[0] == '.' && q[1] == '.'
- && (q[2] == DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- || p[2] == DIR_SEPARATOR_2
-#endif
- ))
- q += 3;
-
- /* Now skip any parts the two filenames have in common. */
- while (*p == *q && *p != 0 && *q != 0)
- p++, q++;
+ /* Call diagnostic_action_after_output to get the "please submit a bug
+ report" message. It only looks at the kind field of diagnostic_info. */
+ diagnostic.kind = DK_ICE;
+ diagnostic_action_after_output (context, &diagnostic);
- /* Now go backwards until the previous directory separator. */
- while (p > name && p[-1] != DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- && p[-1] != DIR_SEPARATOR_2
-#endif
- )
- p--;
-
- return p;
-}
-
-/* Report an internal compiler error in a friendly manner and without
- dumping core. */
-
-void
-fancy_abort (file, line, function)
- const char *file;
- int line;
- const char *function;
-{
- internal_error ("Internal compiler error in %s, at %s:%d",
- function, trim_filename (file), line);
+ /* Do not use gcc_unreachable here; that goes through internal_error
+ and therefore would cause infinite recursion. */
+ real_abort ();
}
-/* Setup DC for reporting a diagnostic MESSAGE (an error or a WARNING),
- using arguments pointed to by ARGS_PTR, issued at a location specified
- by FILE and LINE. */
-
-void
-set_diagnostic_context (dc, msgid, args_ptr, file, line, warn)
- diagnostic_context *dc;
- const char *msgid;
- va_list *args_ptr;
- const char *file;
- int line;
- int warn;
-{
- memset (dc, 0, sizeof (diagnostic_context));
- diagnostic_message (dc) = _(msgid);
- diagnostic_argument_list (dc) = args_ptr;
- diagnostic_file_location (dc) = file;
- diagnostic_line_location (dc) = line;
- diagnostic_is_warning (dc) = warn;
- diagnostic_starter (dc) = diagnostic_starter (global_dc);
- diagnostic_finalizer (dc) = diagnostic_finalizer (global_dc);
-}
+/* Report an internal compiler error in a friendly manner. This is
+ the function that gets called upon use of abort() in the source
+ code generally, thanks to a special macro. */
void
-report_problematic_module (buffer)
- output_buffer *buffer;
-{
- struct file_stack *p;
-
- if (output_needs_newline (buffer))
- {
- output_add_newline (buffer);
- output_needs_newline (buffer) = 0;
- }
-
- if (input_file_stack && input_file_stack->next != 0
- && error_module_changed ())
- {
- for (p = input_file_stack->next; p; p = p->next)
- if (p == input_file_stack->next)
- output_verbatim
- (buffer, "In file included from %s:%d", p->name, p->line);
- else
- output_verbatim
- (buffer, ",\n from %s:%d", p->name, p->line);
- output_verbatim (buffer, ":\n");
- record_last_error_module ();
- }
-}
-
-static void
-default_diagnostic_starter (buffer, dc)
- output_buffer *buffer;
- diagnostic_context *dc;
+fancy_abort (const char *file, int line, const char *function)
{
- report_error_function (diagnostic_file_location (dc));
- output_set_prefix (buffer,
- context_as_prefix (diagnostic_file_location (dc),
- diagnostic_line_location (dc),
- diagnostic_is_warning (dc)));
+ internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
}
+/* Really call the system 'abort'. This has to go right at the end of
+ this file, so that there are no functions after it that call abort
+ and get the system abort instead of our macro. */
+#undef abort
static void
-default_diagnostic_finalizer (buffer, dc)
- output_buffer *buffer;
- diagnostic_context *dc __attribute__((__unused__));
+real_abort (void)
{
- output_destroy_prefix (buffer);
+ abort ();
}
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