/* Default error handlers for CPP Library.
- Copyright (C) 1986, 87, 89, 92 - 95, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000
+ 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
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding! */
-#ifndef EMACS
#include "config.h"
#include "system.h"
-#else
-#include <stdio.h>
-#endif /* not EMACS */
-
#include "cpplib.h"
+#include "cpphash.h"
+#include "intl.h"
+
+static void print_containing_files PARAMS ((cpp_buffer *));
+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)
/* Print the file names and line numbers of the #include
commands which led to the current file. */
-
-void
-cpp_print_containing_files (pfile)
- cpp_reader *pfile;
+static void
+print_containing_files (ip)
+ cpp_buffer *ip;
{
- cpp_buffer *ip;
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 = ip->prev; ip; ip = ip->prev)
+ {
+ if (first)
+ {
+ first = 0;
+ /* The current line in each outer source file is now the
+ same as the line of the #include. */
+ fprintf (stderr, _("In file included from %s:%u"),
+ ip->nominal_fname, CPP_BUF_LINE (ip));
+ }
+ 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:
- ip = cpp_file_buffer (pfile);
+ | In file included from sys/select.h:123,
+ | from sys/types.h:234,
+ | from userfile.c:31:
+ | bits/select.h:45: <error message here>
- /* Give up if we don't find a source file. */
- if (ip == NULL)
- return;
+ with all the "from"s lined up.
+ The trailing comma is at the beginning of this message,
+ and the trailing colon is not translated. */
+ fprintf (stderr, _(",\n from %s:%u"),
+ ip->nominal_fname, CPP_BUF_LINE (ip));
+ }
+ fputs (":\n", stderr);
+}
- /* Find the other, outer source files. */
- while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
+static void
+print_location (pfile, filename, pos)
+ cpp_reader *pfile;
+ const char *filename;
+ const cpp_lexer_pos *pos;
+{
+ cpp_buffer *buffer = pfile->buffer;
+
+ if (!buffer)
+ fprintf (stderr, "%s: ", progname);
+ else
{
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (ip->fname != NULL)
+ unsigned int line, col = 0;
+ enum cpp_buffer_type type = buffer->type;
+
+ /* 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
{
- if (first)
+ if (type == BUF_PRAGMA)
{
- first = 0;
- fprintf (stderr, "In file included");
+ buffer = buffer->prev;
+ line = CPP_BUF_LINE (buffer);
+ col = CPP_BUF_COL (buffer);
}
else
- fprintf (stderr, ",\n ");
+ {
+ if (pos == 0)
+ pos = cpp_get_line (pfile);
+ line = pos->line;
+ col = pos->col;
+ }
+
+ if (col == 0)
+ col = 1;
+
+ /* Don't repeat the include stack unnecessarily. */
+ if (buffer->prev && ! buffer->include_stack_listed)
+ {
+ buffer->include_stack_listed = 1;
+ print_containing_files (buffer);
+ }
}
- fprintf (stderr, " from %s:%ld", ip->nominal_fname, line);
- }
- if (! first)
- fprintf (stderr, ":\n");
+ if (filename == 0)
+ filename = buffer->nominal_fname;
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 1;
-}
+ if (line == 0)
+ fprintf (stderr, "%s: ", filename);
+ else if (CPP_OPTION (pfile, show_column) == 0)
+ fprintf (stderr, "%s:%u: ", filename, line);
+ else
+ fprintf (stderr, "%s:%u:%u: ", filename, line, col);
-void
-cpp_file_line_for_message (pfile, filename, line, column)
- cpp_reader *pfile ATTRIBUTE_UNUSED;
- char *filename;
- int line, column;
-{
- if (column > 0)
- fprintf (stderr, "%s:%d:%d: ", filename, line, column);
- else
- fprintf (stderr, "%s:%d: ", filename, line);
+ if (type == BUF_PRAGMA)
+ fprintf (stderr, "_Pragma: ");
+ }
}
-/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning */
+/* 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. */
-void
-v_cpp_message (pfile, is_error, msg, ap)
- cpp_reader * pfile;
- int is_error;
- const char *msg;
- va_list ap;
+int
+_cpp_begin_message (pfile, code, file, pos)
+ cpp_reader *pfile;
+ enum error_type code;
+ const char *file;
+ const cpp_lexer_pos *pos;
{
- if (!is_error)
- fprintf (stderr, "warning: ");
- else if (is_error == 2)
- pfile->errors = CPP_FATAL_LIMIT;
- else if (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
- vfprintf (stderr, msg, ap);
- fprintf (stderr, "\n");
+ int is_warning = 0;
+
+ switch (code)
+ {
+ case PEDWARN:
+ case WARNING:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ case WARNING_SYSHDR:
+ if (CPP_OPTION (pfile, warnings_are_errors)
+ || (code == 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;
+ }
+ break;
+
+ case 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;
+ break;
+ }
+
+ print_location (pfile, file, pos);
+ if (is_warning)
+ fputs (_("warning: "), stderr);
+
+ return 1;
}
+/* Exported interface. */
+
+/* For reporting internal errors. Prints "internal error: " for you,
+ otherwise identical to cpp_fatal. */
+
void
-cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
-{
-#ifndef __STDC__
+cpp_ice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
+{
+#ifndef ANSI_PROTOTYPES
cpp_reader *pfile;
- int is_error;
- const char *msg;
+ const char *msgid;
#endif
va_list ap;
- VA_START (ap, msg);
+ VA_START (ap, msgid);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
pfile = va_arg (ap, cpp_reader *);
- is_error = va_arg (ap, int);
- msg = va_arg (ap, const char *);
+ msgid = va_arg (ap, const char *);
#endif
- v_cpp_message(pfile, is_error, msg, ap);
+ if (_cpp_begin_message (pfile, ICE, NULL, 0))
+ v_message (msgid, ap);
va_end(ap);
}
CPP_FATAL_ERRORS. */
void
-cpp_fatal VPROTO ((cpp_reader *pfile, const char *str, ...))
+cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
{
-#ifndef __STDC__
+#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;
- const char *str;
+ int line;
+ int column;
+ const char *msgid;
#endif
va_list ap;
+ cpp_lexer_pos pos;
- VA_START (ap, str);
+ VA_START (ap, msgid);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
pfile = va_arg (ap, cpp_reader *);
- str = va_arg (ap, const char *);
+ line = va_arg (ap, int);
+ column = va_arg (ap, int);
+ msgid = va_arg (ap, const char *);
#endif
- fprintf (stderr, "%s: ", progname);
- v_cpp_message (pfile, 2, str, ap);
+ pos.line = line;
+ pos.col = column;
+ if (_cpp_begin_message (pfile, ERROR, NULL, &pos))
+ v_message (msgid, ap);
va_end(ap);
}
-\f
+
+/* Error including a message from `errno'. */
void
-cpp_pfatal_with_name (pfile, name)
+cpp_error_from_errno (pfile, name)
cpp_reader *pfile;
const char *name;
{
- cpp_perror_with_name (pfile, name);
-#ifdef VMS
- exit (vaxc$errno);
-#else
- exit (FATAL_EXIT_CODE);
+ 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_begin_message (pfile, WARNING, NULL, 0))
+ v_message (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;
+ 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, WARNING, NULL, &pos))
+ v_message (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_begin_message (pfile, PEDWARN, NULL, 0))
+ 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);
+}
+
+/* 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;
+ 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))
+ 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);
+}
+
+void
+cpp_notice_from_errno (pfile, name)
+ cpp_reader *pfile;
+ const char *name;
+{
+ if (name[0] == '\0')
+ name = "stdout";
+ cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
}
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