/* Default error handlers for CPP Library.
- Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
+ 2001, 2002 Free Software Foundation, Inc.
Written by Per Bothner, 1994.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "cpplib.h"
#include "cpphash.h"
#include "intl.h"
-static void print_location PARAMS ((cpp_reader *,
- const char *,
- const cpp_lexer_pos *));
-
-/* Don't remove the blank before do, as otherwise the exgettext
- script will mistake this as a function definition */
-#define v_message(msgid, ap) \
- do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
+static void print_location PARAMS ((cpp_reader *, unsigned int, unsigned int));
+/* Print the logical file location (LINE, COL) in preparation for a
+ diagnostic. Outputs the #include chain if it has changed. A line
+ of zero suppresses the include stack, and outputs the program name
+ instead. */
static void
-print_location (pfile, filename, pos)
+print_location (pfile, line, col)
cpp_reader *pfile;
- const char *filename;
- const cpp_lexer_pos *pos;
+ unsigned int line, col;
{
- cpp_buffer *buffer = pfile->buffer;
-
- if (!buffer)
+ if (!pfile->buffer || line == 0)
fprintf (stderr, "%s: ", progname);
else
{
- unsigned int line, col = 0;
- enum cpp_buffer_type type = buffer->type;
+ const struct line_map *map;
- /* For _Pragma buffers, we want to print the location as
- "foo.c:5:8: _Pragma:", where foo.c is the containing buffer.
- For diagnostics relating to command line options, we want to
- print "<command line>:" with no line number. */
- if (type == BUF_CL_OPTION || type == BUF_BUILTIN)
- line = 0;
- else
- {
- const struct line_map *map;
-
- if (type == BUF_PRAGMA)
- buffer = buffer->prev;
+ map = lookup_line (&pfile->line_maps, line);
+ print_containing_files (&pfile->line_maps, map);
- if (pos == 0)
- pos = cpp_get_line (pfile);
- map = lookup_line (&pfile->line_maps, pos->line);
- line = SOURCE_LINE (map, pos->line);
- if (filename == 0)
- filename = map->to_file;
-
- col = pos->col;
- if (col == 0)
- col = 1;
-
- print_containing_files (&pfile->line_maps, map);
- }
-
- if (filename == 0)
- filename = buffer->nominal_fname;
+ line = SOURCE_LINE (map, line);
+ if (col == 0)
+ col = 1;
if (line == 0)
- fprintf (stderr, "%s:", filename);
+ fprintf (stderr, "%s:", map->to_file);
else if (CPP_OPTION (pfile, show_column) == 0)
- fprintf (stderr, "%s:%u:", filename, line);
+ fprintf (stderr, "%s:%u:", map->to_file, line);
else
- fprintf (stderr, "%s:%u:%u:", filename, line, col);
+ fprintf (stderr, "%s:%u:%u:", map->to_file, line, col);
- if (type == BUF_PRAGMA)
- fprintf (stderr, "_Pragma:");
fputc (' ', stderr);
}
}
-/* Set up for an error message: print the file and line, bump the error
- counter, etc.
- If it returns 0, this error has been suppressed. */
-
+/* Set up for a diagnostic: print the file and line, bump the error
+ counter, etc. LINE is the logical line number; zero means to print
+ at the location of the previously lexed token, which tends to be
+ the correct place by default. Returns 0 if the error has been
+ suppressed. */
int
-_cpp_begin_message (pfile, code, file, pos)
+_cpp_begin_message (pfile, code, line, column)
cpp_reader *pfile;
- enum error_type code;
- const char *file;
- const cpp_lexer_pos *pos;
+ int code;
+ unsigned int line, column;
{
- int is_warning = 0;
+ int level = DL_EXTRACT (code);
- switch (code)
+ switch (level)
{
- case PEDWARN:
- case WARNING:
+ case DL_WARNING:
+ case DL_PEDWARN:
if (CPP_IN_SYSTEM_HEADER (pfile)
&& ! CPP_OPTION (pfile, warn_system_headers))
return 0;
- case WARNING_SYSHDR:
+ /* Fall through. */
+
+ case DL_WARNING_SYSHDR:
if (CPP_OPTION (pfile, warnings_are_errors)
- || (code == PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
+ || (level == DL_PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
{
if (CPP_OPTION (pfile, inhibit_errors))
return 0;
- if (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
- }
- else
- {
- if (CPP_OPTION (pfile, inhibit_warnings))
- return 0;
- is_warning = 1;
+ level = DL_ERROR;
+ pfile->errors++;
}
+ else if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
break;
-
- case ERROR:
+
+ case DL_ERROR:
if (CPP_OPTION (pfile, inhibit_errors))
return 0;
- if (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
- break;
- /* Fatal errors cannot be inhibited. */
- case FATAL:
- pfile->errors = CPP_FATAL_LIMIT;
- break;
- case ICE:
- fprintf (stderr, _("internal error: "));
- pfile->errors = CPP_FATAL_LIMIT;
+ /* ICEs cannot be inhibited. */
+ case DL_ICE:
+ pfile->errors++;
break;
}
- print_location (pfile, file, pos);
- if (is_warning)
+ print_location (pfile, line, column);
+ if (DL_WARNING_P (level))
fputs (_("warning: "), stderr);
+ else if (level == DL_ICE)
+ fputs (_("internal error: "), stderr);
return 1;
}
-/* Exported interface. */
-
-/* For reporting internal errors. Prints "internal error: " for you,
- otherwise identical to cpp_fatal. */
-
-void
-cpp_ice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
-
- if (_cpp_begin_message (pfile, ICE, NULL, 0))
- v_message (msgid, ap);
- va_end(ap);
-}
-
-/* Same as cpp_error, except we consider the error to be "fatal",
- such as inconsistent options. I.e. there is little point in continuing.
- (We do not exit, to support use of cpplib as a library.
- Instead, it is the caller's responsibility to check
- CPP_FATAL_ERRORS. */
-
-void
-cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
-
- if (_cpp_begin_message (pfile, FATAL, NULL, 0))
- v_message (msgid, ap);
- va_end(ap);
-}
-
-void
-cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START(ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
-
- if (_cpp_begin_message (pfile, ERROR, NULL, 0))
- v_message (msgid, ap);
- va_end(ap);
-}
-
-void
-cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column,
- const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- int line;
- int column;
- const char *msgid;
-#endif
- va_list ap;
- cpp_lexer_pos pos;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- line = va_arg (ap, int);
- column = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- pos.line = line;
- pos.col = column;
- if (_cpp_begin_message (pfile, ERROR, NULL, &pos))
- v_message (msgid, ap);
- va_end(ap);
-}
-
-/* Error including a message from `errno'. */
-void
-cpp_error_from_errno (pfile, name)
- cpp_reader *pfile;
- const char *name;
-{
- cpp_error (pfile, "%s: %s", name, xstrerror (errno));
-}
-
-void
-cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
+/* Don't remove the blank before do, as otherwise the exgettext
+ script will mistake this as a function definition */
+#define v_message(msgid, ap) \
+ do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
- if (_cpp_begin_message (pfile, WARNING, NULL, 0))
- v_message (msgid, ap);
- va_end(ap);
-}
+/* Exported interface. */
+/* Print an error at the location of the previously lexed token. */
void
-cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
- const char *msgid, ...))
+cpp_error VPARAMS ((cpp_reader * pfile, int level, const char *msgid, ...))
{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- int line;
- int column;
- const char *msgid;
-#endif
- va_list ap;
- cpp_lexer_pos pos;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- line = va_arg (ap, int);
- column = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
+ unsigned int line, column;
- pos.line = line;
- pos.col = column;
- if (_cpp_begin_message (pfile, WARNING, NULL, &pos))
- v_message (msgid, ap);
- va_end(ap);
-}
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, level);
+ VA_FIXEDARG (ap, const char *, msgid);
-void
-cpp_pedwarn VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
+ if (pfile->buffer)
+ {
+ if (CPP_OPTION (pfile, traditional))
+ {
+ if (pfile->state.in_directive)
+ line = pfile->directive_line;
+ else
+ line = pfile->line;
+ column = 0;
+ }
+ else
+ {
+ line = pfile->cur_token[-1].line;
+ column = pfile->cur_token[-1].col;
+ }
+ }
+ else
+ line = column = 0;
- if (_cpp_begin_message (pfile, PEDWARN, NULL, 0))
+ if (_cpp_begin_message (pfile, level, line, column))
v_message (msgid, ap);
- va_end(ap);
-}
-
-void
-cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
- const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- int line;
- int column;
- const char *msgid;
-#endif
- va_list ap;
- cpp_lexer_pos pos;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- line = va_arg (ap, int);
- column = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
- pos.line = line;
- pos.col = column;
- if (_cpp_begin_message (pfile, PEDWARN, NULL, &pos))
- v_message (msgid, ap);
- va_end(ap);
+ VA_CLOSE (ap);
}
-/* Report a warning (or an error if pedantic_errors)
- giving specified file name and line number, not current. */
-
+/* Print an error at a specific location. */
void
-cpp_pedwarn_with_file_and_line VPARAMS ((cpp_reader *pfile,
- const char *file, int line, int col,
- const char *msgid, ...))
+cpp_error_with_line VPARAMS ((cpp_reader *pfile, int level,
+ unsigned int line, unsigned int column,
+ const char *msgid, ...))
{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *file;
- int line;
- int col;
- const char *msgid;
-#endif
- va_list ap;
- cpp_lexer_pos pos;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- file = va_arg (ap, const char *);
- line = va_arg (ap, int);
- col = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- pos.line = line;
- pos.col = col;
- if (_cpp_begin_message (pfile, PEDWARN, file, &pos))
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, level);
+ VA_FIXEDARG (ap, unsigned int, line);
+ VA_FIXEDARG (ap, unsigned int, column);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, level, line, column))
v_message (msgid, ap);
- va_end(ap);
-}
-/* Print an error message not associated with a file. */
-void
-cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
-
- if (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
-
- vfprintf (stderr, _(msgid), ap);
- putc('\n', stderr);
-
- va_end(ap);
+ VA_CLOSE (ap);
}
void
-cpp_notice_from_errno (pfile, name)
+cpp_errno (pfile, level, msgid)
cpp_reader *pfile;
- const char *name;
+ int level;
+ const char *msgid;
{
- if (name[0] == '\0')
- name = "stdout";
- cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
+ if (msgid[0] == '\0')
+ msgid = _("stdout");
+
+ cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
}
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