/* Top level entry point of bison,
- Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000 Free Software Foundation, Inc.
-This file is part of Bison, the GNU Compiler Compiler.
+ This file is part of Bison, the GNU Compiler Compiler.
-Bison 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 version.
+ Bison 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 version.
-Bison is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ Bison is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with Bison; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with Bison; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "system.h"
-#include "machine.h" /* JF for MAXSHORT */
+#include "machine.h" /* for MAXSHORT */
extern int lineno;
extern int verboseflag;
+extern char *infile;
/* Nonzero means failure has been detected; don't write a parser file. */
int failure;
-/* The name this program was run with, for messages. */
+/* The name this program was run with, for messages. */
char *program_name;
-extern void getargs(), openfiles(), reader(), reduce_grammar();
-extern void set_derives(), set_nullable(), generate_states();
-extern void lalr(), initialize_conflicts(), verbose(), terse();
-extern void output(), done();
+char *printable_version PARAMS((int));
+char *int_to_string PARAMS((int));
+void fatal PARAMS((char *));
+void fatals PARAMS((char *, char *));
+void warn PARAMS((char *));
+void warni PARAMS((char *, int));
+void warns PARAMS((char *, char *));
+void warnss PARAMS((char *, char *, char *));
+void warnsss PARAMS((char *, char *, char *, char *));
+void toomany PARAMS((char *));
+void berror PARAMS((char *));
+
+extern void getargs PARAMS((int, char *[]));
+extern void openfiles PARAMS((void));
+extern void reader PARAMS((void));
+extern void reduce_grammar PARAMS((void));
+extern void set_derives PARAMS((void));
+extern void set_nullable PARAMS((void));
+extern void generate_states PARAMS((void));
+extern void lalr PARAMS((void));
+extern void initialize_conflicts PARAMS((void));
+extern void verbose PARAMS((void));
+extern void terse PARAMS((void));
+extern void output PARAMS((void));
+extern void done PARAMS((int));
/* VMS complained about using `int'. */
+
int
-main(argc, argv)
-int argc;
-char *argv[];
+main (int argc, char *argv[])
{
program_name = argv[0];
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
failure = 0;
lineno = 0;
getargs(argc, argv);
In file reader.c.
The other parts are recorded in the grammar; see gram.h. */
reader();
+ if (failure)
+ done(failure);
/* find useless nonterminals and productions and reduce the grammar. In
file reduce.c */
/* Find and record any conflicts: places where one token of lookahead is not
enough to disambiguate the parsing. In file conflicts.
- Currently this does not do anything to resolve them;
- the trivial form of conflict resolution that exists is done in output. */
+ Also resolve s/r conflicts based on precedence declarations. */
initialize_conflicts();
/* print information about results, if requested. In file print. */
/* output the tables and the parser to ftable. In file output. */
output();
done(failure);
+ return failure;
}
-
+\f
/* functions to report errors which prevent a parser from being generated */
-void
-fatal(s)
-char *s;
+
+/* Return a string containing a printable version of C:
+ either C itself, or the corresponding \DDD code. */
+
+char *
+printable_version (int c)
{
- extern char *infile;
+ static char buf[10];
+ if (c < ' ' || c >= '\177')
+ sprintf(buf, "\\%o", c);
+ else
+ {
+ buf[0] = c;
+ buf[1] = '\0';
+ }
+ return buf;
+}
+
+/* Generate a string from the integer I.
+ Return a ptr to internal memory containing the string. */
+
+char *
+int_to_string (int i)
+{
+ static char buf[20];
+ sprintf(buf, "%d", i);
+ return buf;
+}
+/* Display filename and lino if available. */
+
+static void
+banner (void)
+{
if (infile == 0)
- fprintf(stderr, "fatal error: %s\n", s);
+ fprintf(stderr, "%s: ", program_name);
else
- fprintf(stderr, "\"%s\", line %d: %s\n", infile, lineno, s);
- done(1);
+ fprintf(stderr, "%s:%d: ", infile, lineno);
+}
+
+static void
+fatal_banner (void)
+{
+ banner ();
+ fputs (_("fatal error: "), stderr);
+}
+
+/* Print the message S for a fatal error. */
+
+void
+fatal (char *s)
+{
+ fatal_banner ();
+ fputs (s, stderr);
+ fputc ('\n', stderr);
+ done (1);
+}
+
+
+/* Print a message for a fatal error. Use FMT to construct the message
+ and incorporate string X1. */
+
+void
+fatals (char *fmt, char *x1)
+{
+ fatal_banner ();
+ fprintf (stderr, fmt, x1);
+ fputc ('\n', stderr);
+ done (1);
+}
+
+static void
+warn_banner (void)
+{
+ banner ();
+ failure = 1;
+}
+
+/* Print a warning message S. */
+
+void
+warn (char *s)
+{
+ warn_banner ();
+ fputs (s, stderr);
+ fputc ('\n', stderr);
}
+/* Print a warning message containing the string for the integer X1.
+ The message is given by the format FMT. */
-/* JF changed to accept/deal with variable args.
- DO NOT change this to use varargs. It will appear to work
- but will break on systems that don't have the necessary library
- functions. This is the ONLY safe way to write such a function. */
-/*VARARGS1*/
+void
+warni (char *fmt, int x1)
+{
+ warn_banner ();
+ fprintf (stderr, fmt, x1);
+ fputc ('\n', stderr);
+}
+
+/* Print a warning message containing the string X1.
+ The message is given by the format FMT. */
void
-fatals(fmt,x1,x2,x3,x4,x5,x6,x7,x8)
-char *fmt;
+warns (char *fmt, char *x1)
{
- char buffer[200];
+ warn_banner ();
+ fprintf (stderr, fmt, x1);
+ fputc ('\n', stderr);
+}
+
+/* Print a warning message containing the two strings X1 and X2.
+ The message is given by the format FMT. */
- sprintf(buffer, fmt, x1,x2,x3,x4,x5,x6,x7,x8);
- fatal(buffer);
+void
+warnss (char *fmt, char *x1, char *x2)
+{
+ warn_banner ();
+ fprintf (stderr, fmt, x1, x2);
+ fputc ('\n', stderr);
}
+/* Print a warning message containing the 3 strings X1, X2, X3.
+ The message is given by the format FMT. */
void
-toomany(s)
-char *s;
+warnsss (char *fmt, char *x1, char *x2, char *x3)
{
- char buffer[200];
+ warn_banner ();
+ fprintf (stderr, fmt, x1, x2, x3);
+ fputc ('\n', stderr);
+}
- /* JF new msg */
- sprintf(buffer, "limit of %d exceeded, too many %s", MAXSHORT, s);
- fatal(buffer);
+/* Print a message for the fatal occurence of more than MAXSHORT
+ instances of whatever is denoted by the string S. */
+
+void
+toomany (char *s)
+{
+ fatal_banner ();
+ fprintf (stderr, _("too many %s (max %d)"), s, MAXSHORT);
+ fputc ('\n', stderr);
+ done (1);
}
+/* Abort for an internal error denoted by string S. */
void
-berror(s)
-char *s;
+berror (char *s)
{
- fprintf(stderr, "internal error, %s\n", s);
+ fprintf(stderr, _("%s: internal error: %s\n"), program_name, s);
abort();
}
projects / bison.git / blobdiff