/* 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, 2007, 2008,
+ 2009, 2010 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
message module. */
#include "config.h"
-#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 "tm_p.h"
+#include "version.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"
+#include "plugin.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
+#define pedantic_warning_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
+#define permissive_error_kind() (flag_permissive ? DK_WARNING : DK_ERROR)
/* Prototypes. */
-static void output_flush PARAMS ((output_buffer *));
-static void output_do_verbatim PARAMS ((output_buffer *, text_info *));
-static void output_buffer_to_stream PARAMS ((output_buffer *));
-static void output_format PARAMS ((output_buffer *, text_info *));
-static void output_indent PARAMS ((output_buffer *));
-
-static char *build_message_string PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-static void format_with_decl PARAMS ((output_buffer *, text_info *, tree));
-static void diagnostic_for_decl PARAMS ((diagnostic_context *,
- diagnostic_info *, tree));
-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 output_clear_data PARAMS ((output_buffer *));
-
-static void default_diagnostic_starter PARAMS ((diagnostic_context *,
- diagnostic_info *));
-static void default_diagnostic_finalizer PARAMS ((diagnostic_context *,
- diagnostic_info *));
-
-static void error_recursion PARAMS ((diagnostic_context *)) ATTRIBUTE_NORETURN;
-static bool text_specifies_location PARAMS ((text_info *, location_t *));
-static bool diagnostic_count_diagnostic PARAMS ((diagnostic_context *,
- diagnostic_info *));
-static void diagnostic_action_after_output PARAMS ((diagnostic_context *,
- diagnostic_info *));
-static void real_abort PARAMS ((void)) ATTRIBUTE_NORETURN;
-
-extern int rtl_dump_and_exit;
-extern int warnings_are_errors;
+static char *build_message_string (const char *, ...) ATTRIBUTE_PRINTF_1;
+
+static void error_recursion (diagnostic_context *) ATTRIBUTE_NORETURN;
+
+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;
-/* 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 (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 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 (buffer, length)
- output_buffer *buffer;
- int length;
-{
- output_line_cutoff (buffer) = length;
- set_real_maximum_length (buffer);
-}
-
-/* Sets BUFFER's PREFIX. */
-void
-output_set_prefix (buffer, 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 (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;
-{
- 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 (buffer)
- 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 (buffer)
- 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 (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;
- 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 (buffer)
- 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 (buffer)
- 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 (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 (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 (buffer)
- output_buffer *buffer;
-{
- obstack_1grow (&buffer->obstack, '\n');
- output_text_length (buffer) = 0;
-}
-
-/* Appends a character to BUFFER. */
-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)
- {
- 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 (buffer, i)
- output_buffer *buffer;
- int i;
-{
- output_formatted_scalar (buffer, "%d", i);
-}
-
-static inline void
-output_long_decimal (output_buffer *buffer, long int i)
-{
- output_formatted_scalar (buffer, "%ld", i);
-}
-
-static inline void
-output_unsigned_decimal (output_buffer *buffer, unsigned int i)
-{
- output_formatted_scalar (buffer, "%u", i);
-}
-
-static inline void
-output_long_unsigned_decimal (output_buffer *buffer, long unsigned int i)
-{
- output_formatted_scalar (buffer, "%lu", i);
-}
-
-static inline void
-output_octal (output_buffer *buffer, unsigned int i)
-{
- output_formatted_scalar (buffer, "%o", i);
-}
-
-static inline void
-output_long_octal (output_buffer *buffer, long unsigned int i)
-{
- output_formatted_scalar (buffer, "%lo", i);
-}
-
-static inline void
-output_hexadecimal (output_buffer *buffer, unsigned int i)
-{
- output_formatted_scalar (buffer, "%x", i);
-}
-
-static inline void
-output_long_hexadecimal (output_buffer *buffer, long unsigned int i)
-{
- output_formatted_scalar (buffer, "%lx", 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 (buffer, start, length)
- output_buffer *buffer;
- const char *start;
- int length;
-{
- obstack_grow (&buffer->obstack, start, length);
- output_text_length (buffer) += length;
-}
-
-/* Append a string deliminated 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 (buffer, start, end)
- 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 (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. */
-static void
-wrap_text (buffer, start, end)
- 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 (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));
-}
-
-/* Append an identifier ID to BUFFER. */
-void
-output_add_identifier (buffer, id)
- 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 (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 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.
- %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 (buffer, text)
- output_buffer *buffer;
- text_info *text;
-{
- for (; *text->format_spec; ++text->format_spec)
- {
- bool long_integer = 0;
-
- /* 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 '%'. Let's see what happens. Record whether we're
- parsing a long integer format specifier. */
- if (*++text->format_spec == 'l')
- {
- long_integer = true;
- ++text->format_spec;
- }
-
- /* Handle %c, %d, %i, %ld, %li, %lo, %lu, %lx, %m, %o, %s, %u,
- %x, %p, %.*s; %%. And nothing else. Front-ends should install
- printers to grok language specific format specifiers. */
- switch (*text->format_spec)
- {
- case 'c':
- output_add_character (buffer, va_arg (*text->args_ptr, int));
- break;
-
- case 'd':
- case 'i':
- if (long_integer)
- output_long_decimal (buffer, va_arg (*text->args_ptr, long int));
- else
- output_decimal (buffer, va_arg (*text->args_ptr, int));
- break;
-
- case 'o':
- if (long_integer)
- output_long_octal (buffer,
- va_arg (*text->args_ptr, unsigned long int));
- else
- output_octal (buffer, va_arg (*text->args_ptr, unsigned int));
- 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 (long_integer)
- output_long_unsigned_decimal
- (buffer, va_arg (*text->args_ptr, long unsigned int));
- else
- output_unsigned_decimal
- (buffer, va_arg (*text->args_ptr, unsigned int));
- break;
-
- case 'x':
- if (long_integer)
- output_long_hexadecimal
- (buffer, va_arg (*text->args_ptr, unsigned long int));
- else
- output_hexadecimal
- (buffer, va_arg (*text->args_ptr, unsigned int));
- 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 *
/* Same as diagnostic_build_prefix, but only the source FILE is given. */
char *
-file_name_as_prefix (f)
- const char *f;
+file_name_as_prefix (const char *f)
{
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 (buffer, text, 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 (buffer)
- 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 (buffer, text)
- 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 (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->some_warnings_are_errors = false;
+ 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->x_data = NULL;
+ context->lock = 0;
+ context->inhibit_notes_p = false;
}
-/* 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, locus)
- text_info *text;
- location_t *locus;
-{
- const char *p;
- /* Skip any leading text. */
- for (p = text->format_spec; *p && *p != '%'; ++p)
- ;
+/* Do any cleaning up required after the last diagnostic is emitted. */
- /* Extract the location information if any. */
- if (*p == '%' && *++p == 'H')
+void
+diagnostic_finish (diagnostic_context *context)
+{
+ /* Some of the errors may actually have been warnings. */
+ if (context->some_warnings_are_errors)
{
- *locus = *va_arg (*text->args_ptr, location_t *);
- text->format_spec = p + 1;
- return true;
+ /* -Werror was given. */
+ if (context->warning_as_error_requested)
+ pp_verbatim (context->printer,
+ _("%s: all warnings being treated as errors\n"),
+ progname);
+ /* At least one -Werror= was given. */
+ else
+ pp_verbatim (context->printer,
+ _("%s: some warnings being treated as errors\n"),
+ progname);
+ pp_flush (context->printer);
}
-
- return false;
}
+/* Initialize DIAGNOSTIC, where the message MSG has already been
+ translated. */
void
-diagnostic_set_info (diagnostic, msgid, args, file, line, kind)
- diagnostic_info *diagnostic;
- const char *msgid;
- va_list *args;
- const char *file;
- int line;
- diagnostic_t kind;
+diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
+ 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 FILE and LINE. */
- if (!text_specifies_location (&diagnostic->message, &diagnostic->location))
- {
- diagnostic->location.file = file;
- diagnostic->location.line = line;
- }
+ diagnostic->message.format_spec = msg;
+ diagnostic->location = location;
+ diagnostic->override_column = 0;
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 *gmsgid,
+ va_list *args, location_t location,
+ diagnostic_t kind)
+{
+ diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
}
/* Return a malloc'd string describing a location. The caller is
responsible for freeing the memory. */
char *
-diagnostic_build_prefix (diagnostic)
- diagnostic_info *diagnostic;
+diagnostic_build_prefix (diagnostic_info *diagnostic)
{
static const char *const diagnostic_kind_text[] = {
#define DEFINE_DIAGNOSTIC_KIND(K, T) (T),
#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 (context)
- diagnostic_context *context;
-{
- output_buffer_to_stream (&context->buffer);
- fflush (output_buffer_attached_stream (&context->buffer));
-}
-
-/* Count a diagnostic. Return true if the message should be printed. */
-static bool
-diagnostic_count_diagnostic (context, diagnostic)
- diagnostic_context *context;
- diagnostic_info *diagnostic;
-{
- diagnostic_t kind = diagnostic->kind;
- switch (kind)
- {
- default:
- abort();
- break;
-
- case DK_ICE:
-#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)
- {
- fnotice (stderr, "%s:%d: confused by earlier errors, bailing out\n",
- diagnostic->location.file, diagnostic->location.line);
- exit (FATAL_EXIT_CODE);
- }
-#endif
- if (context->internal_error)
- (*context->internal_error) (diagnostic->message.format_spec,
- diagnostic->message.args_ptr);
- /* fall through */
-
- case DK_FATAL: case DK_SORRY:
- case DK_ANACHRONISM: case DK_NOTE:
- ++diagnostic_kind_count (context, kind);
- break;
-
- case DK_WARNING:
- if (!diagnostic_report_warnings_p ())
- return false;
-
- if (!warnings_are_errors)
- {
- ++diagnostic_kind_count (context, DK_WARNING);
- break;
- }
-
- if (context->warnings_are_errors_message)
- {
- output_verbatim (&context->buffer,
- "%s: warnings being treated as errors\n", progname);
- context->warnings_are_errors_message = false;
- }
-
- /* and fall through */
- case DK_ERROR:
- ++diagnostic_kind_count (context, DK_ERROR);
- break;
- }
+ const char *text = _(diagnostic_kind_text[diagnostic->kind]);
+ expanded_location s = expand_location (diagnostic->location);
+ if (diagnostic->override_column)
+ s.column = diagnostic->override_column;
+ gcc_assert (diagnostic->kind < DK_LAST_DIAGNOSTIC_KIND);
- return true;
+ return
+ (s.file == NULL
+ ? build_message_string ("%s: %s", progname, text)
+ : flag_show_column
+ ? 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 (context, diagnostic)
- diagnostic_context *context;
- diagnostic_info *diagnostic;
+diagnostic_action_after_output (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
switch (diagnostic->kind)
{
case DK_SORRY:
if (context->abort_on_error)
real_abort ();
+ if (flag_fatal_errors)
+ {
+ fnotice (stderr, "compilation terminated due to -Wfatal-errors.\n");
+ diagnostic_finish (context);
+ exit (FATAL_EXIT_CODE);
+ }
break;
case DK_ICE:
if (context->abort_on_error)
real_abort ();
- fnotice (stderr, bug_report_request, bug_report_url);
- exit (FATAL_EXIT_CODE);
+ 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);
case DK_FATAL:
if (context->abort_on_error)
real_abort ();
-
+ diagnostic_finish (context);
fnotice (stderr, "compilation terminated.\n");
exit (FATAL_EXIT_CODE);
default:
- real_abort ();
+ gcc_unreachable ();
}
}
-/* 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;
+diagnostic_report_current_module (diagnostic_context *context)
{
- 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);
- }
-}
+ const struct line_map *map;
-/* The default function to print out name of current function that caused
- an error. */
-void
-lhd_print_error_function (context, file)
- diagnostic_context *context;
- const char *file;
-{
- if (diagnostic_last_function_changed (context))
+ if (pp_needs_newline (context->printer))
{
- const char *old_prefix = output_prefix (&context->buffer);
- char *new_prefix = file ? build_message_string ("%s: ", file) : NULL;
+ pp_newline (context->printer);
+ pp_needs_newline (context->printer) = false;
+ }
- output_set_prefix (&context->buffer, new_prefix);
+ if (input_location <= BUILTINS_LOCATION)
+ return;
- if (current_function_decl == NULL)
- output_add_string (&context->buffer, _("At top level:"));
- else
+ map = linemap_lookup (line_table, input_location);
+ if (map && diagnostic_last_module_changed (context, map))
+ {
+ diagnostic_set_last_module (context, map);
+ if (! MAIN_FILE_P (map))
{
- 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));
+ map = INCLUDED_FROM (line_table, map);
+ if (flag_show_column)
+ pp_verbatim (context->printer,
+ "In file included from %s:%d:%d",
+ map->to_file,
+ LAST_SOURCE_LINE (map), LAST_SOURCE_COLUMN (map));
else
- output_printf
- (&context->buffer, "In function `%s':",
- (*lang_hooks.decl_printable_name) (current_function_decl, 2));
+ 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);
}
- 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);
}
}
-/* 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
-diagnostic_report_current_function (context)
- diagnostic_context *context;
+default_diagnostic_starter (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
diagnostic_report_current_module (context);
- (*lang_hooks.print_error_function) (context, input_filename);
+ pp_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
}
void
-diagnostic_report_current_module (context)
- diagnostic_context *context;
+default_diagnostic_finalizer (diagnostic_context *context,
+ diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
{
- struct file_stack *p;
-
- if (output_needs_newline (&context->buffer))
- {
- output_add_newline (&context->buffer);
- output_needs_newline (&context->buffer) = false;
- }
-
- if (input_file_stack && input_file_stack->next != 0
- && 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");
- diagnostic_set_last_module (context);
- }
+ pp_destroy_prefix (context->printer);
}
-static void
-default_diagnostic_starter (context, diagnostic)
- diagnostic_context *context;
- diagnostic_info *diagnostic;
+/* 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_report_current_function (context);
- output_set_prefix (&context->buffer, diagnostic_build_prefix (diagnostic));
-}
+ diagnostic_t old_kind;
-static void
-default_diagnostic_finalizer (context, diagnostic)
- diagnostic_context *context;
- diagnostic_info *diagnostic __attribute__((unused));
-{
- output_destroy_prefix (&context->buffer);
+ 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
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. */
+ in the documentation of output_format.
+ Return true if a diagnostic was printed, false otherwise. */
-void
-diagnostic_report_diagnostic (context, diagnostic)
- diagnostic_context *context;
- diagnostic_info *diagnostic;
+bool
+diagnostic_report_diagnostic (diagnostic_context *context,
+ diagnostic_info *diagnostic)
{
- if (context->lock++)
- error_recursion (context);
+ location_t location = diagnostic->location;
+ diagnostic_t orig_diag_kind = diagnostic->kind;
+ const char *saved_format_spec;
+
+ /* Give preference to being able to inhibit warnings, before they
+ get reclassified to something else. */
+ if ((diagnostic->kind == DK_WARNING || diagnostic->kind == DK_PEDWARN)
+ && !diagnostic_report_warnings_p (location))
+ return false;
- if (diagnostic_count_diagnostic (context, diagnostic))
+ if (diagnostic->kind == DK_PEDWARN)
{
- (*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);
+ diagnostic->kind = pedantic_warning_kind ();
+ /* We do this to avoid giving the message for -pedantic-errors. */
+ orig_diag_kind = diagnostic->kind;
}
+
+ if (diagnostic->kind == DK_NOTE && context->inhibit_notes_p)
+ return false;
- context->lock--;
-}
+ if (context->lock > 0)
+ {
+ /* 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);
+ }
-/* 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 (context, diagnostic, decl)
- diagnostic_context *context;
- diagnostic_info *diagnostic;
- tree decl;
-{
- if (context->lock++)
- error_recursion (context);
+ /* 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)
+ {
+ diagnostic->kind = DK_ERROR;
+ }
+
+ if (diagnostic->option_index)
+ {
+ /* This tests if the user provided the appropriate -Wfoo or
+ -Wno-foo option. */
+ if (! option_enabled (diagnostic->option_index))
+ return false;
+ /* 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 false;
+ }
+
+ if (orig_diag_kind == DK_WARNING && diagnostic->kind == DK_ERROR)
+ context->some_warnings_are_errors = true;
+
+ context->lock++;
+
+ if (diagnostic->kind == DK_ICE && plugins_active_p ())
+ {
+ fnotice (stderr, "*** WARNING *** there are active plugins, do not report"
+ " this as a bug unless you can reproduce it without enabling"
+ " any plugins.\n");
+ dump_active_plugins (stderr);
+ }
+
+ if (diagnostic->kind == DK_ICE)
+ {
+#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)
+ {
+ 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);
+ }
+#endif
+ if (context->internal_error)
+ (*context->internal_error) (diagnostic->message.format_spec,
+ diagnostic->message.args_ptr);
+ }
+ ++diagnostic_kind_count (context, diagnostic->kind);
- if (diagnostic_count_diagnostic (context, diagnostic))
+ saved_format_spec = diagnostic->message.format_spec;
+ if (context->show_option_requested)
{
- (*diagnostic_starter (context)) (context, diagnostic);
- format_with_decl (&context->buffer, &diagnostic->message, decl);
- (*diagnostic_finalizer (context)) (context, diagnostic);
- output_flush (&context->buffer);
- diagnostic_action_after_output (context, diagnostic);
+ const char * option_text = NULL;
+
+ if (diagnostic->option_index)
+ {
+ /* A warning classified as an error. */
+ if ((orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN)
+ && diagnostic->kind == DK_ERROR)
+ option_text
+ = ACONCAT ((cl_options[OPT_Werror_].opt_text,
+ /* Skip over "-W". */
+ cl_options[diagnostic->option_index].opt_text + 2,
+ NULL));
+ /* A warning with option. */
+ else
+ option_text = cl_options[diagnostic->option_index].opt_text;
+ }
+ /* A warning without option classified as an error. */
+ else if (orig_diag_kind == DK_WARNING || orig_diag_kind == DK_PEDWARN
+ || diagnostic->kind == DK_WARNING)
+ {
+ if (context->warning_as_error_requested)
+ option_text = cl_options[OPT_Werror].opt_text;
+ else
+ option_text = _("enabled by default");
+ }
+
+ if (option_text)
+ diagnostic->message.format_spec
+ = ACONCAT ((diagnostic->message.format_spec,
+ " ",
+ "[", option_text, "]",
+ NULL));
}
+ diagnostic->message.locus = &diagnostic->location;
+ diagnostic->message.x_data = &diagnostic->x_data;
+ diagnostic->x_data = 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->x_data = NULL;
context->lock--;
+
+ return true;
}
/* Given a partial pathname as input, return another pathname that
instead of `Internal compiler error in ../../GCC/gcc/expr.c'. */
const char *
-trim_filename (name)
- const char *name;
+trim_filename (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
- ))
+ 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;
+ text.x_data = 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
+bool
+emit_diagnostic (diagnostic_t kind, location_t location, int opt,
+ const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ if (kind == DK_PERMERROR)
+ {
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
+ }
+ else {
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, kind);
+ if (kind == DK_WARNING || kind == DK_PEDWARN)
+ diagnostic.option_index = opt;
+ }
+ va_end (ap);
+
+ return report_diagnostic (&diagnostic);
+}
+
+/* An informative note at LOCATION. Use this for additional details on an error
message. */
void
-inform (const char *msgid, ...)
+inform (location_t location, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_NOTE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, 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. */
+/* An informative note at LOCATION. Use this for additional details on an
+ error message. */
void
-warning (const char *msgid, ...)
+inform_n (location_t location, int n, const char *singular_gmsgid,
+ const char *plural_gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_WARNING);
+ va_start (ap, plural_gmsgid);
+ diagnostic_set_info_translated (&diagnostic,
+ ngettext (singular_gmsgid, plural_gmsgid, n),
+ &ap, location, DK_NOTE);
report_diagnostic (&diagnostic);
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.
+/* A warning at INPUT_LOCATION. Use this for code which is correct according
+ to the relevant language specification but is likely to be buggy anyway.
+ Returns true if the warning was printed, false if it was inhibited. */
+bool
+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;
+
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A warning at LOCATION. Use this for code which is correct according to the
+ relevant language specification but is likely to be buggy anyway.
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+warning_at (location_t location, int opt, const char *gmsgid, ...)
+{
+ diagnostic_info diagnostic;
+ va_list ap;
+
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_WARNING);
+ diagnostic.option_index = opt;
+ va_end (ap);
+ return report_diagnostic (&diagnostic);
+}
+
+/* A "pedantic" warning at LOCATION: 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
-pedwarn (const char *msgid, ...)
+ only with that switch, use either "if (pedantic) pedwarn
+ (OPT_pedantic,...)" or just "pedwarn (OPT_pedantic,..)". To get a
+ pedwarn independently of the -pedantic switch use "pedwarn (0,...)".
+
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+pedwarn (location_t location, int opt, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- pedantic_error_kind ());
- report_diagnostic (&diagnostic);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_PEDWARN);
+ diagnostic.option_index = opt;
va_end (ap);
+ return report_diagnostic (&diagnostic);
}
-/* A hard error: the code is definitely ill-formed, and an object file
- will not be produced. */
-void
-error (const char *msgid, ...)
+/* A "permissive" error at LOCATION: 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.
+
+ Returns true if the warning was printed, false if it was inhibited. */
+
+bool
+permerror (location_t location, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_ERROR);
- report_diagnostic (&diagnostic);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, location,
+ permissive_error_kind ());
+ diagnostic.option_index = OPT_fpermissive;
va_end (ap);
+ return report_diagnostic (&diagnostic);
}
-/* "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. */
+/* A hard error: the code is definitely ill-formed, and an object file
+ will not be produced. */
void
-sorry (const char *msgid, ...)
+error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_SORRY);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ERROR);
report_diagnostic (&diagnostic);
va_end (ap);
}
-/* 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. */
+/* A hard error: the code is definitely ill-formed, and an object file
+ will not be produced. */
void
-fatal_error (const char *msgid, ...)
+error_n (location_t location, int n, const char *singular_gmsgid,
+ const char *plural_gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_FATAL);
+ va_start (ap, plural_gmsgid);
+ diagnostic_set_info_translated (&diagnostic,
+ ngettext (singular_gmsgid, plural_gmsgid, n),
+ &ap, location, DK_ERROR);
report_diagnostic (&diagnostic);
va_end (ap);
-
- /* NOTREACHED */
- real_abort ();
}
-/* 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. */
+/* Same as ebove, but use location LOC instead of input_location. */
void
-internal_error (const char *msgid, ...)
+error_at (location_t loc, const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap, input_filename, input_line,
- DK_ICE);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, loc, DK_ERROR);
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. */
+/* "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
-warning_with_decl (tree decl, const char *msgid, ...)
+sorry (const char *gmsgid, ...)
{
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_FILE (decl), DECL_SOURCE_LINE (decl),
- DK_WARNING);
- diagnostic_for_decl (global_dc, &diagnostic, decl);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_SORRY);
+ report_diagnostic (&diagnostic);
va_end (ap);
}
+/* 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
-pedwarn_with_decl (tree decl, const char *msgid, ...)
+fatal_error (const char *gmsgid, ...)
{
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_FILE (decl), DECL_SOURCE_LINE (decl),
- pedantic_error_kind ());
- diagnostic_for_decl (global_dc, &diagnostic, decl);
-
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_FATAL);
+ report_diagnostic (&diagnostic);
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
-error_with_decl (tree decl, const char *msgid, ...)
+internal_error (const char *gmsgid, ...)
{
diagnostic_info diagnostic;
va_list ap;
- va_start (ap, msgid);
- diagnostic_set_info (&diagnostic, msgid, &ap,
- DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl),
- DK_ERROR);
- diagnostic_for_decl (global_dc, &diagnostic, decl);
+ va_start (ap, gmsgid);
+ diagnostic_set_info (&diagnostic, gmsgid, &ap, input_location, DK_ICE);
+ report_diagnostic (&diagnostic);
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 (node)
- 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.
This mustn't use internal_error, that will cause infinite recursion. */
static void
-error_recursion (context)
- diagnostic_context *context;
+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
code generally, thanks to a special macro. */
void
-fancy_abort (file, line, function)
- const char *file;
- int line;
- const char *function;
+fancy_abort (const char *file, int line, const char *function)
{
internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
}
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
-real_abort ()
+static void
+real_abort (void)
{
abort ();
}
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