/* Top level entry point of bison,
- Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 1995 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include <stdio.h>
#include "system.h"
-#include "machine.h" /* JF for MAXSHORT */
+#include "machine.h" /* for MAXSHORT */
extern int lineno;
extern int verboseflag;
/* 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();
/* VMS complained about using `int'. */
+
int
main(argc, argv)
-int argc;
-char *argv[];
+ 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 */
+
+/* Return a string containing a printable version of C:
+ either C itself, or the corresponding \DDD code. */
+
+char *
+printable_version(c)
+ int c;
+{
+ 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(i)
+ int i;
+{
+ static char buf[20];
+ sprintf(buf, "%d", i);
+ return buf;
+}
+
+/* Print the message S for a fatal error. */
+
void
fatal(s)
-char *s;
+ char *s;
{
extern char *infile;
if (infile == 0)
- fprintf(stderr, "fatal error: %s\n", s);
+ fprintf(stderr, _("%s: fatal error: %s\n"), program_name, s);
else
- fprintf(stderr, "\"%s\", line %d: %s\n", infile, lineno, s);
+ fprintf(stderr, _("%s:%d: fatal error: %s\n"), infile, lineno, s);
done(1);
}
-/* 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*/
+/* Print a message for a fatal error. Use FMT to construct the message
+ and incorporate string X1. */
void
-fatals(fmt,x1,x2,x3,x4,x5,x6,x7,x8)
-char *fmt;
+fatals(fmt, x1)
+ char *fmt, *x1;
{
char buffer[200];
-
- sprintf(buffer, fmt, x1,x2,x3,x4,x5,x6,x7,x8);
+ sprintf(buffer, fmt, x1);
fatal(buffer);
}
+/* Print a warning message S. */
void
-toomany(s)
-char *s;
+warn(s)
+ char *s;
+{
+ extern char *infile;
+
+ if (infile == 0)
+ fprintf(stderr, _("%s: %s\n"), program_name, s);
+ else
+ fprintf(stderr, _("%s:%d: %s\n"),
+ infile, lineno, s);
+
+ failure = 1;
+}
+
+/* Print a warning message containing the string for the integer X1.
+ The message is given by the format FMT. */
+
+void
+warni(fmt, x1)
+ char *fmt;
+ int x1;
{
char buffer[200];
+ sprintf(buffer, fmt, x1);
+ warn(buffer);
+}
- /* JF new msg */
- sprintf(buffer, "limit of %d exceeded, too many %s", MAXSHORT, s);
+/* Print a warning message containing the string X1.
+ The message is given by the format FMT. */
+
+void
+warns(fmt, x1)
+ char *fmt, *x1;
+{
+ char buffer[200];
+ sprintf(buffer, fmt, x1);
+ warn(buffer);
+}
+
+/* Print a warning message containing the two strings X1 and X2.
+ The message is given by the format FMT. */
+
+void
+warnss(fmt, x1, x2)
+ char *fmt, *x1, *x2;
+{
+ char buffer[200];
+ sprintf(buffer, fmt, x1, x2);
+ warn(buffer);
+}
+
+/* Print a warning message containing the 3 strings X1, X2, X3.
+ The message is given by the format FMT. */
+
+void
+warnsss(fmt, x1, x2, x3)
+ char *fmt, *x1, *x2, *x3;
+{
+ char buffer[200];
+ sprintf(buffer, fmt, x1, x2, x3);
+ warn(buffer);
+}
+
+/* Print a message for the fatal occurence of more than MAXSHORT
+ instances of whatever is denoted by the string S. */
+
+void
+toomany(s)
+ char *s;
+{
+ char buffer[200];
+ sprintf(buffer, _("too many %s (max %d)"), s, MAXSHORT);
fatal(buffer);
}
+/* Abort for an internal error denoted by string S. */
void
berror(s)
-char *s;
+ char *s;
{
- fprintf(stderr, "internal error, %s\n", s);
+ fprintf(stderr, _("%s: internal error: %s\n"), program_name, s);
abort();
}
projects / bison.git / blobdiff