/* Default error handlers for CPP Library.
- Copyright (C) 1986, 87, 89, 92, 93, 94, 1995 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 by Paul Rubin, June 1986
+ Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
This program is free software; you can redistribute it and/or modify it
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"
-#endif /* not EMACS */
-
+#include "system.h"
#include "cpplib.h"
-#include <stdio.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 *));
+#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 i;
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:%d", ip->nominal_fname, line);
- }
- if (! first)
- fprintf (stderr, ":\n");
+ if (filename == 0)
+ filename = buffer->nominal_fname;
+ if (*filename == '\0')
+ filename = _("<stdin>");
+
+ 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);
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 1;
+ if (type == BUF_PRAGMA)
+ fprintf (stderr, "_Pragma: ");
+ }
}
-void
-cpp_file_line_for_message (pfile, filename, line, column)
+/* 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. */
+
+int
+_cpp_begin_message (pfile, code, file, pos)
cpp_reader *pfile;
- char *filename;
- int line, column;
+ enum error_type code;
+ const char *file;
+ const cpp_lexer_pos *pos;
{
- if (column > 0)
- fprintf (stderr, "%s:%d:%d: ", filename, line, column);
- else
- fprintf (stderr, "%s:%d: ", filename, line);
+ int is_warning = 0;
+
+ switch (code)
+ {
+ case WARNING:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ if (! CPP_OPTION (pfile, warnings_are_errors))
+ {
+ if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
+ is_warning = 1;
+ }
+ else
+ {
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
+ }
+ break;
+
+ case PEDWARN:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ if (! CPP_OPTION (pfile, pedantic_errors))
+ {
+ if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
+ is_warning = 1;
+ }
+ else
+ {
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
+ }
+ 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;
}
-/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning */
+/* Exported interface. */
+
+/* For reporting internal errors. Prints "internal error: " for you,
+ otherwise identical to cpp_fatal. */
void
-cpp_message (pfile, is_error, msg, arg1, arg2, arg3)
- int is_error;
- cpp_reader *pfile;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- 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++;
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
+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",
CPP_FATAL_ERRORS. */
void
-cpp_fatal (pfile, str, arg)
- cpp_reader *pfile;
- char *str, *arg;
+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, ...))
{
- fprintf (stderr, "%s: ", progname);
- cpp_message (pfile, 2, str, arg);
+#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);
}
-\f
+
+/* Error including a message from `errno'. */
void
-cpp_pfatal_with_name (pfile, name)
+cpp_error_from_errno (pfile, name)
cpp_reader *pfile;
- char *name;
+ 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_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, ...))
{
- cpp_perror_with_name (pfile, name);
-#ifdef VMS
- exit (vaxc$errno);
-#else
- exit (FATAL_EXIT_CODE);
+#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));
}