/* 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 "cpplib.h"
+#include "cpphash.h"
#include "intl.h"
-static void print_containing_files PARAMS ((cpp_reader *, cpp_buffer *));
-static void print_file_and_line PARAMS ((const char *, long, long));
-static void v_message PARAMS ((cpp_reader *, int,
- const char *, long, long,
- const char *, va_list));
-
-/* Print the file names and line numbers of the #include
- commands which led to the current file. */
+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_containing_files (pfile, ip)
+print_location (pfile, line, col)
cpp_reader *pfile;
- cpp_buffer *ip;
+ unsigned int line, col;
{
- int first = 1;
-
- /* If stack of files hasn't changed since we last printed
- this info, don't repeat it. */
- if (pfile->input_stack_listing_current)
- return;
-
- /* Find the other, outer source files. */
- for (ip = CPP_PREV_BUFFER (ip);
- ip != CPP_NULL_BUFFER (pfile);
- ip = CPP_PREV_BUFFER (ip))
- if (ip->fname != NULL)
- {
- long line;
- cpp_buf_line_and_col (ip, &line, NULL);
- if (first)
- {
- first = 0;
- fprintf (stderr, _("In file included from %s:%ld"),
- ip->nominal_fname, line);
- }
- else
- /* Translators note: this message is used in conjunction
- with "In file included from %s:%ld" and some other
- tricks. We want something like this:
+ if (!pfile->buffer || line == 0)
+ fprintf (stderr, "%s: ", progname);
+ else
+ {
+ const struct line_map *map;
- In file included from sys/select.h:123,
- from sys/types.h:234,
- from userfile.c:31:
- bits/select.h:45: <error message here>
+ map = lookup_line (&pfile->line_maps, line);
+ print_containing_files (&pfile->line_maps, map);
- The trailing comma is at the beginning of this message,
- and the trailing colon is not translated. */
- fprintf (stderr, _(",\n from %s:%ld"),
- ip->nominal_fname, line);
- }
- if (first == 0)
- fputs (":\n", stderr);
+ line = SOURCE_LINE (map, line);
+ if (col == 0)
+ col = 1;
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 1;
-}
+ if (line == 0)
+ fprintf (stderr, "%s:", map->to_file);
+ else if (CPP_OPTION (pfile, show_column) == 0)
+ fprintf (stderr, "%s:%u:", map->to_file, line);
+ else
+ fprintf (stderr, "%s:%u:%u:", map->to_file, line, col);
-static void
-print_file_and_line (filename, line, column)
- const char *filename;
- long line, column;
-{
- if (filename == 0 || *filename == '\0')
- filename = "<stdin>";
- if (line <= 0)
- fputs (_("<command line>: "), stderr);
- else if (column > 0)
- fprintf (stderr, "%s:%ld:%ld: ", filename, line, column);
- else
- fprintf (stderr, "%s:%ld: ", filename, line);
+ fputc (' ', stderr);
+ }
}
-/* IS_ERROR is 3 for ICE, 2 for merely "fatal" error,
- 1 for error, 0 for warning. */
-
-static void
-v_message (pfile, is_error, file, line, col, msg, ap)
+/* 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, line, column)
cpp_reader *pfile;
- int is_error;
- const char *file;
- long line;
- long col;
- const char *msg;
- va_list ap;
+ int code;
+ unsigned int line, column;
{
- cpp_buffer *ip = cpp_file_buffer (pfile);
-
- if (ip)
- {
- if (file == NULL)
- file = ip->nominal_fname;
- if (line == -1)
- cpp_buf_line_and_col (ip, &line, &col);
+ int level = DL_EXTRACT (code);
- print_containing_files (pfile, ip);
- print_file_and_line (file, line, col);
- }
- else
- fprintf (stderr, "%s: ", progname);
-
- switch (is_error)
+ switch (level)
{
- case 0:
- fprintf (stderr, _("warning: "));
+ case DL_WARNING:
+ case DL_PEDWARN:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ /* Fall through. */
+
+ case DL_WARNING_SYSHDR:
+ if (CPP_OPTION (pfile, warnings_are_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;
break;
- case 1:
+
+ case DL_ERROR:
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
if (pfile->errors < CPP_FATAL_LIMIT)
pfile->errors++;
break;
- case 2:
- pfile->errors = CPP_FATAL_LIMIT;
- break;
- case 3:
- fprintf (stderr, _("internal error: "));
+
+ /* Fatal errors cannot be inhibited. */
+ case DL_FATAL:
+ case DL_ICE:
pfile->errors = CPP_FATAL_LIMIT;
break;
- default:
- cpp_ice (pfile, "bad is_error(%d) in v_message", is_error);
}
- vfprintf (stderr, _(msg), ap);
- putc ('\n', stderr);
-}
-
-/* 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
-
- v_message (pfile, 3, NULL, -1, -1, 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
+ print_location (pfile, line, column);
+ if (DL_WARNING_P (level))
+ fputs (_("warning: "), stderr);
+ else if (level == DL_ICE)
+ fputs (_("internal error: "), stderr);
- v_message (pfile, 2, NULL, -1, -1, msgid, ap);
- va_end(ap);
+ return 1;
}
-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_OPTIONS (pfile)->inhibit_errors)
- return;
+/* 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)
- v_message (pfile, 1, NULL, -1, -1, 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;
-
- 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
-
- if (CPP_OPTIONS (pfile)->inhibit_errors)
- return;
-
- v_message (pfile, 1, NULL, line, column, 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
-
- if (CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
-
- v_message (pfile, 0, NULL, -1, -1, msgid, ap);
- va_end(ap);
-}
-
-void
-cpp_warning_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;
-
- 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
-
- if (CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
-
- v_message (pfile, 0, NULL, line, column, msgid, ap);
- va_end(ap);
-}
-
-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 (CPP_OPTIONS (pfile)->pedantic_errors
- ? CPP_OPTIONS (pfile)->inhibit_errors
- : CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
-
- v_message (pfile, CPP_OPTIONS (pfile)->pedantic_errors,
- NULL, -1, -1, msgid, ap);
- va_end(ap);
-}
+/* Exported interface. */
+/* Print an error at the location of the previously lexed token. */
void
-cpp_pedwarn_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;
-
- 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;
- if (CPP_OPTIONS (pfile)->pedantic_errors
- ? CPP_OPTIONS (pfile)->inhibit_errors
- : CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
-
- v_message (pfile, CPP_OPTIONS (pfile)->pedantic_errors,
- NULL, line, column, 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);
-/* Report a warning (or an error if pedantic_errors)
- giving specified file name and line number, not current. */
-
-void
-cpp_pedwarn_with_file_and_line VPARAMS ((cpp_reader *pfile,
- const char *file, int line, int col,
- const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *file;
- int line;
- int col;
- const char *msgid;
-#endif
- va_list ap;
-
- 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
+ if (pfile->buffer)
+ {
+ line = pfile->cur_token[-1].line;
+ column = pfile->cur_token[-1].col;
+ }
+ else
+ line = column = 0;
- if (CPP_OPTIONS (pfile)->pedantic_errors
- ? CPP_OPTIONS (pfile)->inhibit_errors
- : CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
+ if (_cpp_begin_message (pfile, level, line, column))
+ v_message (msgid, ap);
- v_message (pfile, CPP_OPTIONS (pfile)->pedantic_errors,
- file, line, col, msgid, ap);
- va_end(ap);
+ VA_CLOSE (ap);
}
-/* Print an error message not associated with a file. */
+/* Print an error at a specific location. */
void
-cpp_notice VPARAMS ((cpp_reader *pfile, 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 *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
+ 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 (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
+ if (_cpp_begin_message (pfile, level, line, column))
+ v_message (msgid, ap);
- 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;
{
- cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
+ if (msgid[0] == '\0')
+ msgid = _("stdout");
+
+ cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
}