# Exercising Bison on conflicts. -*- Autotest -*-
-# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
AT_BANNER([[Conflicts.]])
[[
%{
#include <stdio.h>
-
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
#define YYERROR_VERBOSE 1
static void
yyerror (const char *msg)
{
fprintf (stderr, "%s\n", msg);
- exit (1);
}
/* The current argument. */
-static const char *input = NULL;
+static const char *input;
static int
yylex (void)
{
- /* No token stands for end of file. */
- if (input && *input)
- return *input++;
- else
- return 0;
+ static size_t toknum;
+ if (! (toknum <= strlen (input)))
+ abort ();
+ return input[toknum++];
}
%}
int
main (int argc, const char *argv[])
{
- if (argc > 1)
- input = argv[1];
+ input = argc <= 1 ? "" : argv[1];
return yyparse ();
}
]])
exp: exp OP exp | NUM;
]])
-AT_CHECK([bison -o input.c input.y], 0, [],
+AT_CHECK([bison -o input.c input.y], 1, [],
[input.y: conflicts: 1 shift/reduce
-input.y: warning: expected 0 shift/reduce conflicts
+input.y: expected 0 shift/reduce conflicts
])
AT_CLEANUP
exp: exp OP exp | NUM;
]])
-AT_CHECK([bison -o input.c input.y], 0, [],
+AT_CHECK([bison -o input.c input.y], 1, [],
[input.y: conflicts: 1 shift/reduce
-input.y: warning: expected 2 shift/reduce conflicts
+input.y: expected 2 shift/reduce conflicts
])
AT_CLEANUP
a: 'a';
]])
-AT_CHECK([bison -o input.c input.y], 0, [],
+AT_CHECK([bison -o input.c input.y], 1, [],
[input.y: conflicts: 1 reduce/reduce
-input.y: warning: expected 0 reduce/reduce conflicts
+input.y: expected 0 reduce/reduce conflicts
])
AT_CLEANUP
-## ---------------------------- ##
-## %default-prec without %prec ##
-## ---------------------------- ##
+## ------------------------------- ##
+## %no-default-prec without %prec ##
+## ------------------------------- ##
-AT_SETUP([%default-prec without %prec])
+AT_SETUP([%no-default-prec without %prec])
AT_DATA([[input.y]],
[[%left '+'
%%
-%default-prec 0;
+%no-default-prec;
e: e '+' e
| e '*' e
AT_CLEANUP
-## ------------------------- ##
-## %default-prec with %prec ##
-## ------------------------- ##
+## ---------------------------- ##
+## %no-default-prec with %prec ##
+## ---------------------------- ##
-AT_SETUP([%default-prec with %prec])
+AT_SETUP([%no-default-prec with %prec])
AT_DATA([[input.y]],
[[%left '+'
%%
-%default-prec 0;
+%no-default-prec;
e: e '+' e %prec '+'
| e '*' e %prec '*'
## ---------------- ##
-## %default-prec 1 ##
+## %default-prec ##
## ---------------- ##
-AT_SETUP([%default-prec 1])
+AT_SETUP([%default-prec])
AT_DATA([[input.y]],
[[%left '+'
%%
-%default-prec 1;
+%default-prec;
e: e '+' e
| e '*' e