/* Language-independent diagnostic subroutines for the GNU Compiler Collection
- Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GCC.
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. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
/* This file implements the language independent aspect of diagnostic
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
+#include "version.h"
#include "tm_p.h"
#include "flags.h"
#include "input.h"
#include "diagnostic.h"
#include "langhooks.h"
#include "langhooks-def.h"
-
-#define output_text_length(BUFFER) (BUFFER)->line_length
-#define is_starting_newline(BUFFER) (output_text_length (BUFFER) == 0)
-#define line_wrap_cutoff(BUFFER) (BUFFER)->state.maximum_length
-#define prefix_was_emitted_for(BUFFER) (BUFFER)->state.emitted_prefix_p
-
-/* Format an integer given by va_arg (ARG, type-specifier T) where
- type-specifier is a precision modifier as indicated by PREC. F is
- a string used to construct the appropriate format-specifier. */
-#define output_integer_with_precision(BUFFER, ARG, PREC, T, F) \
- do \
- switch (PREC) \
- { \
- case 0: \
- output_formatted_scalar \
- (BUFFER, "%" F, va_arg (ARG, T)); \
- break; \
- \
- case 1: \
- output_formatted_scalar \
- (BUFFER, "%l" F, va_arg (ARG, long T)); \
- break; \
- \
- case 2: \
- output_formatted_scalar \
- (BUFFER, "%ll" F, va_arg (ARG, long long T)); \
- break; \
- \
- default: \
- break; \
- } \
- while (0)
+#include "opts.h"
/* Prototypes. */
-static void output_flush (output_buffer *);
-static void output_do_verbatim (output_buffer *, text_info *);
-static void output_buffer_to_stream (output_buffer *);
-static void output_format (output_buffer *, text_info *);
-static void output_indent (output_buffer *);
-
-static char *build_message_string (const char *, ...)
- ATTRIBUTE_PRINTF_1;
-static void format_with_decl (output_buffer *, text_info *, tree);
-static void diagnostic_for_decl (diagnostic_context *, diagnostic_info *,
- tree);
-static void set_real_maximum_length (output_buffer *);
-static void output_append_r (output_buffer *, const char *, int);
-static void wrap_text (output_buffer *, const char *, const char *);
-static void maybe_wrap_text (output_buffer *, const char *, const char *);
-static void output_clear_data (output_buffer *);
+static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
static void default_diagnostic_starter (diagnostic_context *,
diagnostic_info *);
diagnostic_info *);
static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
-static bool text_specifies_location (text_info *, location_t *);
static bool diagnostic_count_diagnostic (diagnostic_context *,
diagnostic_info *);
static void diagnostic_action_after_output (diagnostic_context *,
diagnostic_info *);
static void real_abort (void) ATTRIBUTE_NORETURN;
-extern int rtl_dump_and_exit;
-
/* A diagnostic_context surrogate for stderr. */
static diagnostic_context global_diagnostic_context;
diagnostic_context *global_dc = &global_diagnostic_context;
-/* Boilerplate text used in two locations. */
-#define bug_report_request \
-"Please submit a full bug report,\n\
-with preprocessed source if appropriate.\n\
-See %s for instructions.\n"
-
\f
-/* Subroutine of output_set_maximum_length. Set up BUFFER's
- internal maximum characters per line. */
-static void
-set_real_maximum_length (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 unnecessarily the line-length cut-off. */
- if (!output_is_line_wrapping (buffer)
- || output_prefixing_rule (buffer) == DIAGNOSTICS_SHOW_PREFIX_ONCE
- || output_prefixing_rule (buffer) == DIAGNOSTICS_SHOW_PREFIX_NEVER)
- line_wrap_cutoff (buffer) = output_line_cutoff (buffer);
- else
- {
- int prefix_length = buffer->state.prefix ?
- strlen (buffer->state.prefix) : 0;
- /* If the prefix is ridiculously too long, output at least
- 32 characters. */
- if (output_line_cutoff (buffer) - prefix_length < 32)
- line_wrap_cutoff (buffer) = output_line_cutoff (buffer) + 32;
- else
- line_wrap_cutoff (buffer) = output_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. */
-void
-output_set_maximum_length (output_buffer *buffer, int length)
-{
- output_line_cutoff (buffer) = length;
- set_real_maximum_length (buffer);
-}
-
-/* Sets BUFFER's PREFIX. */
-void
-output_set_prefix (output_buffer *buffer, const char *prefix)
-{
- buffer->state.prefix = prefix;
- set_real_maximum_length (buffer);
- prefix_was_emitted_for (buffer) = false;
- output_indentation (buffer) = 0;
-}
-
-/* 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 (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 (output_buffer *buffer)
-{
- if (buffer->state.prefix != NULL)
- {
- free ((char *) buffer->state.prefix);
- buffer->state.prefix = NULL;
- }
-}
-
-/* Zero out any text output so far in BUFFER. */
-void
-output_clear_message_text (output_buffer *buffer)
-{
- obstack_free (&buffer->obstack, obstack_base (&buffer->obstack));
- output_text_length (buffer) = 0;
-}
-
-/* Zero out any formatting data used so far by BUFFER. */
-static void
-output_clear_data (output_buffer *buffer)
-{
- prefix_was_emitted_for (buffer) = false;
- output_indentation (buffer) = 0;
-}
-
-/* Construct an output BUFFER with PREFIX and of MAXIMUM_LENGTH
- characters per line. */
-void
-init_output_buffer (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;
- output_line_cutoff (buffer) = maximum_length;
- output_prefixing_rule (buffer) = diagnostic_prefixing_rule (global_dc);
- output_set_prefix (buffer, prefix);
- output_text_length (buffer) = 0;
- output_clear_data (buffer);
-}
-
-/* Reinitialize BUFFER. */
-void
-output_clear (output_buffer *buffer)
-{
- output_clear_message_text (buffer);
- output_clear_data (buffer);
-}
-
-/* Finishes constructing a NULL-terminated character string representing
- the BUFFERed message. */
-const char *
-output_finalize_message (output_buffer *buffer)
-{
- obstack_1grow (&buffer->obstack, '\0');
- return output_message_text (buffer);
-}
-
-/* Return the amount of characters BUFFER can accept to
- make a full line. */
-int
-output_space_left (const output_buffer *buffer)
-{
- return line_wrap_cutoff (buffer) - output_text_length (buffer);
-}
-
-/* Write out BUFFER's prefix. */
-void
-output_emit_prefix (output_buffer *buffer)
-{
- if (buffer->state.prefix != NULL)
- {
- switch (output_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 (buffer->state.prefix);
- output_append_r (buffer, buffer->state.prefix, prefix_length);
- prefix_was_emitted_for (buffer) = true;
- }
- break;
- }
- }
-}
-
-/* Have BUFFER start a new line. */
-void
-output_add_newline (output_buffer *buffer)
-{
- obstack_1grow (&buffer->obstack, '\n');
- output_text_length (buffer) = 0;
-}
-
-/* Appends a character to BUFFER. */
-void
-output_add_character (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 (output_buffer *buffer)
-{
- if (output_is_line_wrapping (buffer) && output_space_left (buffer) <= 0)
- {
- output_add_newline (buffer);
- return;
- }
- obstack_1grow (&buffer->obstack, ' ');
- ++output_text_length (buffer);
-}
-
-/* These functions format an INTEGER into BUFFER as suggested by their
- names. */
-void
-output_decimal (output_buffer *buffer, int i)
-{
- output_formatted_scalar (buffer, "%d", i);
-}
-
-void
-output_host_wide_integer (output_buffer *buffer, HOST_WIDE_INT i)
-{
- output_formatted_scalar (buffer, HOST_WIDE_INT_PRINT_DEC, i);
-}
-
-static inline void
-output_pointer (output_buffer *buffer, void *p)
-{
- output_formatted_scalar (buffer, HOST_PTR_PRINTF, p);
-}
-
-/* Append to BUFFER a string specified by its STARTING character
- and LENGTH. */
-static void
-output_append_r (output_buffer *buffer, const char *start, int length)
-{
- obstack_grow (&buffer->obstack, start, length);
- output_text_length (buffer) += length;
-}
-
-/* Append a string delimited by START and END to BUFFER. No wrapping is
- done. However, if beginning a new line then emit BUFFER->state.prefix
- and skip any leading whitespace if appropriate. The caller must ensure
- that it is safe to do so. */
-void
-output_append (output_buffer *buffer, const char *start, const char *end)
-{
- /* 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);
-}
-
-/* Insert enough spaces into BUFFER to bring the column position to
- the current indentation level, assuming that a newline has just
- been written to the buffer. */
-static void
-output_indent (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. */
-static void
-wrap_text (output_buffer *buffer, const char *start, const char *end)
-{
- bool is_wrapping = output_is_line_wrapping (buffer);
-
- while (start != end)
- {
- /* Dump anything bordered 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 (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 (output_buffer *buffer, const char *str)
-{
- maybe_wrap_text (buffer, str, str + (str ? strlen (str) : 0));
-}
-
-/* Append an identifier ID to BUFFER. */
-void
-output_add_identifier (output_buffer *buffer, tree id)
-{
- output_append (buffer, IDENTIFIER_POINTER (id),
- IDENTIFIER_POINTER (id) + IDENTIFIER_LENGTH (id));
-}
-
-/* Flush the content of BUFFER onto the attached stream,
- and reinitialize. */
-
-static void
-output_buffer_to_stream (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 TEXT. 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.
- %lld, %lli, %llo, %llu, %llx: long long versions.
- %wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions.
- %c: character.
- %s: string.
- %p: pointer.
- %m: strerror(text->err_no) - does not consume a value from args_ptr.
- %%: `%'.
- %*.s: a substring the length of which is specified by an integer.
- %H: location_t. */
-static void
-output_format (output_buffer *buffer, text_info *text)
-{
- for (; *text->format_spec; ++text->format_spec)
- {
- int precision = 0;
- bool wide = false;
-
- /* Ignore text. */
- {
- const char *p = text->format_spec;
- while (*p && *p != '%')
- ++p;
- wrap_text (buffer, text->format_spec, p);
- text->format_spec = p;
- }
-
- if (*text->format_spec == '\0')
- break;
-
- /* We got a '%'. Parse precision modifiers, if any. */
- switch (*++text->format_spec)
- {
- case 'w':
- wide = true;
- ++text->format_spec;
- break;
-
- case 'l':
- do
- ++precision;
- while (*++text->format_spec == 'l');
- break;
-
- default:
- break;
- }
- /* We don't support precision behond that of "long long". */
- if (precision > 2)
- abort();
-
- switch (*text->format_spec)
- {
- case 'c':
- output_add_character (buffer, va_arg (*text->args_ptr, int));
- break;
-
- case 'd':
- case 'i':
- if (wide)
- output_formatted_scalar
- (buffer, HOST_WIDE_INT_PRINT_DEC,
- va_arg (*text->args_ptr, HOST_WIDE_INT));
- else
- output_integer_with_precision
- (buffer, *text->args_ptr, precision, int, "d");
- break;
-
- case 'o':
- if (wide)
- output_formatted_scalar
- (buffer, "%" HOST_WIDE_INT_PRINT "o",
- va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
- else
- output_integer_with_precision
- (buffer, *text->args_ptr, precision, unsigned, "u");
- break;
-
- case 's':
- output_add_string (buffer, va_arg (*text->args_ptr, const char *));
- break;
-
- case 'p':
- output_pointer (buffer, va_arg (*text->args_ptr, void *));
- break;
-
- case 'u':
- if (wide)
- output_formatted_scalar
- (buffer, HOST_WIDE_INT_PRINT_UNSIGNED,
- va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
- else
- output_integer_with_precision
- (buffer, *text->args_ptr, precision, unsigned, "u");
- break;
-
- case 'x':
- if (wide)
- output_formatted_scalar
- (buffer, HOST_WIDE_INT_PRINT_HEX,
- va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
- else
- output_integer_with_precision
- (buffer, *text->args_ptr, precision, unsigned, "x");
- break;
-
- case 'm':
- output_add_string (buffer, xstrerror (text->err_no));
- break;
-
- case '%':
- output_add_character (buffer, '%');
- break;
-
- case 'H':
- {
- const location_t *locus = va_arg (*text->args_ptr, location_t *);
- output_add_string (buffer, "file '");
- output_add_string (buffer, locus->file);
- output_add_string (buffer, "', line ");
- output_decimal (buffer, locus->line);
- }
- break;
-
- case '.':
- {
- int n;
- const char *s;
- /* We handle no precision specifier but `%.*s'. */
- if (*++text->format_spec != '*')
- abort ();
- else if (*++text->format_spec != 's')
- abort ();
- n = va_arg (*text->args_ptr, int);
- s = va_arg (*text->args_ptr, const char *);
- output_append (buffer, s, s + n);
- }
- break;
-
- default:
- if (!buffer->format_decoder
- || !(*buffer->format_decoder) (buffer, text))
- {
- /* Hmmm. The front-end failed to install a format translator
- but called us with an unrecognized format. Or, maybe, the
- translated string just contains an invalid format, or
- has formats in the wrong order. Sorry. */
- abort ();
- }
- }
- }
-}
-
/* Return a malloc'd string containing MSG formatted a la printf. The
caller is responsible for freeing the memory. */
static char *
return build_message_string ("%s: ", f);
}
-/* Format a message into BUFFER a la printf. */
-void
-output_printf (struct output_buffer *buffer, const char *msgid, ...)
-{
- text_info text;
- va_list ap;
-
- va_start (ap, msgid);
- text.err_no = errno;
- text.args_ptr = ≈
- text.format_spec = _(msgid);
- output_format (buffer, &text);
- va_end (ap);
-}
-
-/* Print a message relevant to the given DECL. */
-static void
-format_with_decl (output_buffer *buffer, text_info *text, 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 = text->format_spec; *p; ++p)
- {
- if (*p == '%')
- {
- if (*(p + 1) == '%')
- ++p;
- else if (*(p + 1) != 's')
- abort ();
- else
- break;
- }
- }
-
- /* Print the left-hand substring. */
- maybe_wrap_text (buffer, text->format_spec, p);
-
- if (*p == '%') /* Print the name. */
- {
- const char *const n = (DECL_NAME (decl)
- ? (*lang_hooks.decl_printable_name) (decl, 2)
- : _("((anonymous))"));
- output_add_string (buffer, n);
- while (*p)
- {
- ++p;
- if (ISALPHA (*(p - 1) & 0xFF))
- break;
- }
- }
-
- if (*p) /* Print the rest of the message. */
- {
- text->format_spec = p;
- output_format (buffer, text);
- }
-}
-
-/* Flush the content of BUFFER onto the attached stream. */
-static void
-output_flush (output_buffer *buffer)
-{
- output_buffer_to_stream (buffer);
- output_clear_data (buffer);
- fputc ('\n', output_buffer_attached_stream (buffer));
- fflush (output_buffer_attached_stream (buffer));
-}
-
-/* Helper subroutine of output_verbatim and verbatim. Do the appropriate
- settings needed by BUFFER for a verbatim formatting. */
-static void
-output_do_verbatim (output_buffer *buffer, text_info *text)
-{
- diagnostic_prefixing_rule_t rule = output_prefixing_rule (buffer);
- int line_cutoff = output_line_cutoff (buffer);
-
- /* Set verbatim mode. */
- output_prefixing_rule (buffer) = DIAGNOSTICS_SHOW_PREFIX_NEVER;
- output_line_cutoff (buffer) = 0;
- /* Do the actual formatting. */
- output_format (buffer, text);
- /* Restore previous settings. */
- output_prefixing_rule (buffer) = rule;
- output_line_cutoff (buffer) = line_cutoff;
-}
-
-/* Output MESSAGE verbatim into BUFFER. */
-void
-output_verbatim (output_buffer *buffer, const char *msgid, ...)
-{
- text_info text;
- va_list ap;
-
- va_start (ap, msgid);
- text.err_no = errno;
- text.args_ptr = ≈
- text.format_spec = _(msgid);
- output_do_verbatim (buffer, &text);
- va_end (ap);
-}
\f
/* Initialize the diagnostic message outputting machinery. */
void
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->warnings_are_errors_message = warnings_are_errors;
+ context->last_module = 0;
+ context->last_function = NULL;
+ context->lock = 0;
}
-/* Returns true if the next format specifier in TEXT is a format specifier
- for a location_t. If so, update the object pointed by LOCUS to reflect
- the specified location in *TEXT->args_ptr. */
-static bool
-text_specifies_location (text_info *text, location_t *locus)
+/* Initialize DIAGNOSTIC, where the message MSG has already been
+ translated. */
+void
+diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
+ va_list *args, location_t location,
+ diagnostic_t kind)
{
- const char *p;
- /* Skip any leading text. */
- for (p = text->format_spec; *p && *p != '%'; ++p)
- ;
-
- /* Extract the location information if any. */
- if (*p == '%' && *++p == 'H')
- {
- *locus = *va_arg (*text->args_ptr, location_t *);
- text->format_spec = p + 1;
- return true;
- }
-
- return false;
+ 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;
}
+/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
+ translated. */
void
-diagnostic_set_info (diagnostic_info *diagnostic, const char *msgid,
+diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
va_list *args, location_t location,
diagnostic_t kind)
{
- diagnostic->message.err_no = errno;
- diagnostic->message.args_ptr = args;
- diagnostic->message.format_spec = _(msgid);
- /* If the diagnostic message doesn't specify a location,
- use LOCATION. */
- if (!text_specifies_location (&diagnostic->message, &diagnostic->location))
- diagnostic->location = location;
- diagnostic->kind = kind;
+ diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
}
/* Return a malloc'd string describing a location. The caller is
#undef DEFINE_DIAGNOSTIC_KIND
"must-not-happen"
};
- if (diagnostic->kind >= DK_LAST_DIAGNOSTIC_KIND)
- abort();
-
- return diagnostic->location.file
- ? build_message_string ("%s:%d: %s",
- diagnostic->location.file,
- diagnostic->location.line,
- _(diagnostic_kind_text[diagnostic->kind]))
- : build_message_string ("%s: %s", progname,
- _(diagnostic_kind_text[diagnostic->kind]));
-}
-
-void
-diagnostic_flush_buffer (diagnostic_context *context)
-{
- output_buffer_to_stream (&context->buffer);
- fflush (output_buffer_attached_stream (&context->buffer));
+ 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)
+#ifdef USE_MAPPED_LOCATION
+ : flag_show_column && s.column != 0
+ ? build_message_string ("%s:%d:%d: %s", s.file, s.line, s.column, text)
+#endif
+ : build_message_string ("%s:%d: %s", s.file, s.line, text));
}
/* Count a diagnostic. Return true if the message should be printed. */
switch (kind)
{
default:
- abort();
- break;
+ gcc_unreachable ();
case DK_ICE:
#ifndef ENABLE_CHECKING
|| diagnostic_kind_count (context, DK_SORRY) > 0)
&& !context->abort_on_error)
{
+ expanded_location s = expand_location (diagnostic->location);
fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
- diagnostic->location.file, diagnostic->location.line);
+ s.file, s.line);
exit (FATAL_EXIT_CODE);
}
#endif
if (context->internal_error)
(*context->internal_error) (diagnostic->message.format_spec,
diagnostic->message.args_ptr);
- /* fall through */
+ /* Fall through. */
case DK_FATAL: case DK_SORRY:
case DK_ANACHRONISM: case DK_NOTE:
if (!diagnostic_report_warnings_p ())
return false;
- if (!warnings_are_errors)
+ /* -Werror can reclassify warnings as errors, but
+ classify_diagnostic can reclassify it back to a warning. The
+ second part of this test detects that case. */
+ if (!context->warning_as_error_requested
+ || (context->classify_diagnostic[diagnostic->option_index]
+ == DK_WARNING))
{
++diagnostic_kind_count (context, DK_WARNING);
break;
}
-
- if (context->warnings_are_errors_message)
+ else if (context->issue_warnings_are_errors_message)
{
- output_verbatim (&context->buffer,
- "%s: warnings being treated as errors\n", progname);
- context->warnings_are_errors_message = false;
+ pp_verbatim (context->printer,
+ "%s: warnings being treated as errors\n", progname);
+ context->issue_warnings_are_errors_message = false;
}
- /* and fall through */
+ /* And fall through. */
case DK_ERROR:
++diagnostic_kind_count (context, DK_ERROR);
break;
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;
case DK_ICE:
if (context->abort_on_error)
real_abort ();
- fnotice (stderr, bug_report_request, bug_report_url);
+ fnotice (stderr, "Please submit a full bug report,\n"
+ "with preprocessed source if appropriate.\n"
+ "See %s for instructions.\n", bug_report_url);
exit (FATAL_EXIT_CODE);
case DK_FATAL:
exit (FATAL_EXIT_CODE);
default:
- real_abort ();
- }
-}
-
-/* Called when the start of a function definition is parsed,
- this function prints on stderr the name of the function. */
-void
-announce_function (tree decl)
-{
- if (!quiet_flag)
- {
- if (rtl_dump_and_exit)
- verbatim ("%s ", IDENTIFIER_POINTER (DECL_NAME (decl)));
- else
- verbatim (" %s", (*lang_hooks.decl_printable_name) (decl, 2));
- fflush (stderr);
- output_needs_newline (&global_dc->buffer) = true;
- diagnostic_set_last_function (global_dc);
- }
-}
-
-/* The default function to print out name of current function that caused
- an error. */
-void
-lhd_print_error_function (diagnostic_context *context, const char *file)
-{
- if (diagnostic_last_function_changed (context))
- {
- const char *old_prefix = output_prefix (&context->buffer);
- char *new_prefix = file ? build_message_string ("%s: ", file) : NULL;
-
- output_set_prefix (&context->buffer, new_prefix);
-
- if (current_function_decl == NULL)
- output_add_string (&context->buffer, _("At top level:"));
- else
- {
- if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE)
- output_printf
- (&context->buffer, "In member function `%s':",
- (*lang_hooks.decl_printable_name) (current_function_decl, 2));
- else
- output_printf
- (&context->buffer, "In function `%s':",
- (*lang_hooks.decl_printable_name) (current_function_decl, 2));
- }
- output_add_newline (&context->buffer);
-
- diagnostic_set_last_function (context);
- output_buffer_to_stream (&context->buffer);
- context->buffer.state.prefix = old_prefix;
- free ((char*) new_prefix);
+ gcc_unreachable ();
}
}
/* 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. */
-
+ that caused an error. Called from all error and warning functions. */
void
diagnostic_report_current_function (diagnostic_context *context)
{
diagnostic_report_current_module (context);
- (*lang_hooks.print_error_function) (context, input_filename);
+ lang_hooks.print_error_function (context, input_filename);
}
void
{
struct file_stack *p;
- if (output_needs_newline (&context->buffer))
+ if (pp_needs_newline (context->printer))
{
- output_add_newline (&context->buffer);
- output_needs_newline (&context->buffer) = false;
+ pp_newline (context->printer);
+ pp_needs_newline (context->printer) = false;
}
- if (input_file_stack && input_file_stack->next != 0
- && diagnostic_last_module_changed (context))
+ p = input_file_stack;
+ if (p && diagnostic_last_module_changed (context))
{
- for (p = input_file_stack->next; p; p = p->next)
- if (p == input_file_stack->next)
- output_verbatim (&context->buffer,
- "In file included from %s:%d",
- p->location.file, p->location.line);
- else
- output_verbatim (&context->buffer,
- ",\n from %s:%d",
- p->location.file, p->location.line);
- output_verbatim (&context->buffer, ":\n");
+ expanded_location xloc = expand_location (p->location);
+ pp_verbatim (context->printer,
+ "In file included from %s:%d",
+ xloc.file, xloc.line);
+ while ((p = p->next) != NULL)
+ {
+ xloc = expand_location (p->location);
+ pp_verbatim (context->printer,
+ ",\n from %s:%d",
+ xloc.file, xloc.line);
+ }
+ pp_verbatim (context->printer, ":");
diagnostic_set_last_module (context);
+ pp_newline (context->printer);
}
}
diagnostic_info *diagnostic)
{
diagnostic_report_current_function (context);
- output_set_prefix (&context->buffer, diagnostic_build_prefix (diagnostic));
+ pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
}
static void
default_diagnostic_finalizer (diagnostic_context *context,
- diagnostic_info *diagnostic __attribute__((unused)))
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
{
- output_destroy_prefix (&context->buffer);
+ pp_destroy_prefix (context->printer);
+}
+
+/* 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)
+{
+ diagnostic_t old_kind;
+
+ if (option_index <= 0
+ || option_index >= N_OPTS
+ || new_kind >= DK_LAST_DIAGNOSTIC_KIND)
+ return DK_UNSPECIFIED;
+
+ old_kind = context->classify_diagnostic[option_index];
+ context->classify_diagnostic[option_index] = new_kind;
+ return old_kind;
}
/* Report a diagnostic message (an error or a warning) as specified by
diagnostic_report_diagnostic (diagnostic_context *context,
diagnostic_info *diagnostic)
{
- if (context->lock++ && diagnostic->kind < DK_SORRY)
- error_recursion (context);
-
- if (diagnostic_count_diagnostic (context, diagnostic))
+ if (context->lock > 0)
{
- (*diagnostic_starter (context)) (context, diagnostic);
- output_format (&context->buffer, &diagnostic->message);
- (*diagnostic_finalizer (context)) (context, diagnostic);
- output_flush (&context->buffer);
- diagnostic_action_after_output (context, diagnostic);
+ /* 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
+ error_recursion (context);
}
- context->lock--;
-}
+ if (diagnostic->option_index)
+ {
+ /* 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)
+ diagnostic->kind = context->classify_diagnostic[diagnostic->option_index];
+ /* This allows for future extensions, like temporarily disabling
+ warnings for ranges of source code. */
+ if (diagnostic->kind == DK_IGNORED)
+ return;
+ }
-/* 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 (diagnostic_context *context,
- diagnostic_info *diagnostic, tree decl)
-{
- if (context->lock++ && diagnostic->kind < DK_SORRY)
- error_recursion (context);
+ context->lock++;
if (diagnostic_count_diagnostic (context, diagnostic))
{
+ const char *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;
+ pp_format (context->printer, &diagnostic->message);
(*diagnostic_starter (context)) (context, diagnostic);
- format_with_decl (&context->buffer, &diagnostic->message, decl);
+ pp_output_formatted_text (context->printer);
(*diagnostic_finalizer (context)) (context, diagnostic);
- output_flush (&context->buffer);
+ pp_flush (context->printer);
diagnostic_action_after_output (context, diagnostic);
+ diagnostic->message.format_spec = saved_format_spec;
}
context->lock--;
/* 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
- ))
+ while (p[0] == '.' && p[1] == '.' && IS_DIR_SEPARATOR (p[2]))
p += 3;
- while (q[0] == '.' && q[1] == '.'
- && (q[2] == DIR_SEPARATOR
-#ifdef DIR_SEPARATOR_2
- || p[2] == DIR_SEPARATOR_2
-#endif
- ))
+ while (q[0] == '.' && q[1] == '.' && IS_DIR_SEPARATOR (q[2]))
q += 3;
/* Now skip any parts the two filenames have in common. */
p++, q++;
/* 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
- )
+ while (p > name && !IS_DIR_SEPARATOR (p[-1]))
p--;
return p;
/* Text to be emitted verbatim to the error message stream; this
produces no prefix and disables line-wrapping. Use rarely. */
void
-verbatim (const char *msgid, ...)
+verbatim (const char *gmsgid, ...)
{
text_info text;
va_list ap;
- va_start (ap, msgid);
+ va_start (ap, gmsgid);
text.err_no = errno;
text.args_ptr = ≈
- text.format_spec = _(msgid);
- output_do_verbatim (&global_dc->buffer, &text);
- output_buffer_to_stream (&global_dc->buffer);
+ text.format_spec = _(gmsgid);
+ text.locus = NULL;
+ pp_format_verbatim (global_dc->printer, &text);
+ pp_flush (global_dc->printer);
va_end (ap);
}
/* An informative note. Use this for additional details on an error
message. */
void
-inform (const char *msgid, ...)
+inform (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_NOTE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_NOTE);
report_diagnostic (&diagnostic);
va_end (ap);
}
/* A warning. Use this for code which is correct according to the
relevant language specification but is likely to be buggy anyway. */
void
-warning (const char *msgid, ...)
+warning (int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
+ diagnostic.option_index = opt;
+
+ report_diagnostic (&diagnostic);
+ va_end (ap);
+}
+
+void
+warning0 (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_WARNING);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_WARNING);
report_diagnostic (&diagnostic);
va_end (ap);
}
of the -pedantic command-line switch. To get a warning enabled
only with that switch, write "if (pedantic) pedwarn (...);" */
void
-pedwarn (const char *msgid, ...)
+pedwarn (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location,
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location,
pedantic_error_kind ());
report_diagnostic (&diagnostic);
va_end (ap);
/* A hard error: the code is definitely ill-formed, and an object file
will not be produced. */
void
-error (const char *msgid, ...)
+error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_ERROR);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
report_diagnostic (&diagnostic);
va_end (ap);
}
required by the relevant specification but not implemented by GCC.
An object file will not be produced. */
void
-sorry (const char *msgid, ...)
+sorry (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_SORRY);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
report_diagnostic (&diagnostic);
va_end (ap);
}
continue. Do not use this for internal consistency checks; that's
internal_error. Use of this function should be rare. */
void
-fatal_error (const char *msgid, ...)
+fatal_error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_FATAL);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
report_diagnostic (&diagnostic);
va_end (ap);
- /* NOTREACHED */
- real_abort ();
+ gcc_unreachable ();
}
/* An internal consistency check has failed. We make no attempt to
a more specific message, or some other good reason, you should use
abort () instead of calling this function directly. */
void
-internal_error (const char *msgid, ...)
+internal_error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_location, DK_ICE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
report_diagnostic (&diagnostic);
va_end (ap);
- /* NOTREACHED */
- real_abort ();
-}
-\f
-/* Variants of some of the above, which make reference to a particular
- DECL node. These are deprecated. */
-
-void
-warning_with_decl (tree decl, const char *msgid, ...)
-{
- diagnostic_info diagnostic;
- va_list ap;
-
- va_start (ap, msgid);
-
- /* Do not issue a warning about a decl which came from a system header,
- unless -Wsystem-headers. */
- if (DECL_IN_SYSTEM_HEADER (decl) && !warn_system_headers)
- return;
-
- diagnostic_set_info (&diagnostic, msgid, &ap,
- DECL_SOURCE_LOCATION (decl), DK_WARNING);
- diagnostic_for_decl (global_dc, &diagnostic, decl);
- va_end (ap);
-}
-
-void
-pedwarn_with_decl (tree decl, const char *msgid, ...)
-{
- diagnostic_info diagnostic;
- va_list ap;
-
- va_start (ap, msgid);
-
- /* Do not issue a warning about a decl which came from a system header,
- unless -Wsystem-headers. */
- if (DECL_IN_SYSTEM_HEADER (decl) && !warn_system_headers)
- return;
-
- diagnostic_set_info (&diagnostic, msgid, &ap,
- DECL_SOURCE_LOCATION (decl), pedantic_error_kind ());
- diagnostic_for_decl (global_dc, &diagnostic, decl);
-
- va_end (ap);
-}
-
-void
-error_with_decl (tree decl, const char *msgid, ...)
-{
- diagnostic_info diagnostic;
- va_list ap;
-
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap,
- DECL_SOURCE_LOCATION (decl), DK_ERROR);
- diagnostic_for_decl (global_dc, &diagnostic, decl);
- va_end (ap);
+ gcc_unreachable ();
}
\f
/* Special case error functions. Most are implemented in terms of the
/* Print a diagnostic MSGID on FILE. This is just fprintf, except it
runs its second argument through gettext. */
void
-fnotice (FILE *file, const char *msgid, ...)
+fnotice (FILE *file, const char *cmsgid, ...)
{
va_list ap;
- va_start (ap, msgid);
- vfprintf (file, _(msgid), ap);
+ va_start (ap, cmsgid);
+ vfprintf (file, _(cmsgid), ap);
va_end (ap);
}
-/* Warn about a use of an identifier which was marked deprecated. */
-void
-warn_deprecated_use (tree node)
-{
- if (node == 0 || !warn_deprecated_decl)
- return;
-
- if (DECL_P (node))
- warning ("`%s' is deprecated (declared at %s:%d)",
- IDENTIFIER_POINTER (DECL_NAME (node)),
- DECL_SOURCE_FILE (node), DECL_SOURCE_LINE (node));
- else if (TYPE_P (node))
- {
- const char *what = NULL;
- tree decl = TYPE_STUB_DECL (node);
-
- if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
- what = IDENTIFIER_POINTER (TYPE_NAME (node));
- else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
- && DECL_NAME (TYPE_NAME (node)))
- what = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (node)));
-
- if (what)
- {
- if (decl)
- warning ("`%s' is deprecated (declared at %s:%d)", what,
- DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl));
- else
- warning ("`%s' is deprecated", what);
- }
- else if (decl)
- warning ("type is deprecated (declared at %s:%d)",
- DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl));
- else
- warning ("type is deprecated");
- }
-}
-
/* 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.
static void
error_recursion (diagnostic_context *context)
{
+ diagnostic_info diagnostic;
+
if (context->lock < 3)
- output_flush (&context->buffer);
+ pp_flush (context->printer);
fnotice (stderr,
"Internal compiler error: Error reporting routines re-entered.\n");
- fnotice (stderr, bug_report_request, bug_report_url);
- exit (FATAL_EXIT_CODE);
+
+ /* 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);
+
+ /* Do not use gcc_unreachable here; that goes through internal_error
+ and therefore would cause infinite recursion. */
+ real_abort ();
}
/* Report an internal compiler error in a friendly manner. This is
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