* NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,

[bison.git] / tests / conflicts.at

diff --git a/tests/conflicts.at b/tests/conflicts.at
index f3fe782135792d0af74282746cb627f609006d45..436ba858bfdb7803a0e68f6cb15f7f05298ad097 100644 (file)
--- a/tests/conflicts.at
+++ b/tests/conflicts.at
@@ -1,5 +1,6 @@
 # Exercising Bison on conflicts.                         -*- Autotest -*-
-# Copyright (C) 2002 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
@@ -13,8 +14,8 @@
 
 # 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.]])
 
@@ -38,7 +39,7 @@ e: 'e' | /* Nothing. */;
 ]])
 
 AT_CHECK([bison -o input.c input.y], 0, [],
-[[input.y:4.8: warning: rule never reduced because of conflicts: e: /* empty */
+[[input.y:4.9: warning: rule never reduced because of conflicts: e: /* empty */
 ]])
 
 AT_CLEANUP
@@ -54,30 +55,26 @@ AT_DATA_GRAMMAR([input.y],
 [[
 %{
 #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++];
 }
 
 %}
@@ -93,8 +90,7 @@ expr: expr '<' expr
 int
 main (int argc, const char *argv[])
 {
-  if (argc > 1)
-    input = argv[1];
+  input = argc <= 1 ? "" : argv[1];    
   return yyparse ();
 }
 ]])
@@ -139,12 +135,12 @@ exp: exp OP exp | NUM;
 ]])
 
 AT_CHECK([bison -o input.c --report=all input.y], 0, [],
-[input.y: warning: 1 shift/reduce conflict
+[input.y: conflicts: 1 shift/reduce
 ])
 
 # Check the contents of the report.
 AT_CHECK([cat input.output], [],
-[[State 5 contains 1 shift/reduce conflict.
+[[State 5 conflicts: 1 shift/reduce
 
 
 Grammar
@@ -369,8 +365,8 @@ id : '0';
 ]])
 
 AT_CHECK([bison -o input.c --report=all input.y], 0, [],
-[[input.y: warning: 1 reduce/reduce conflict
-input.y:4.4-8: warning: rule never reduced because of conflicts: id: '0'
+[[input.y: conflicts: 1 reduce/reduce
+input.y:4.6-8: warning: rule never reduced because of conflicts: id: '0'
 ]])
 
 # Check the contents of the report.
@@ -380,7 +376,7 @@ AT_CHECK([cat input.output], [],
     4 id: '0'
 
 
-State 1 contains 1 reduce/reduce conflict.
+State 1 conflicts: 1 reduce/reduce
 
 
 Grammar
@@ -486,7 +482,7 @@ exp: exp OP exp | NUM;
 ]])
 
 AT_CHECK([bison -o input.c input.y], 1, [],
-[input.y: warning: 1 shift/reduce conflict
+[input.y: conflicts: 1 shift/reduce
 input.y: expected 0 shift/reduce conflicts
 ])
 AT_CLEANUP
@@ -523,7 +519,101 @@ exp: exp OP exp | NUM;
 ]])
 
 AT_CHECK([bison -o input.c input.y], 1, [],
-[input.y: warning: 1 shift/reduce conflict
+[input.y: conflicts: 1 shift/reduce
 input.y: expected 2 shift/reduce conflicts
 ])
 AT_CLEANUP
+
+
+## ------------------------------ ##
+## %expect with reduce conflicts  ##
+## ------------------------------ ##
+
+AT_SETUP([%expect with reduce conflicts])
+
+AT_DATA([input.y],
+[[%expect 0
+%%
+program: a 'a' | a a;
+a: 'a';
+]])
+
+AT_CHECK([bison -o input.c input.y], 1, [],
+[input.y: conflicts: 1 reduce/reduce
+input.y: expected 0 reduce/reduce conflicts
+])
+AT_CLEANUP
+
+
+## ------------------------------- ##
+## %no-default-prec without %prec  ##
+## ------------------------------- ##
+
+AT_SETUP([%no-default-prec without %prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%no-default-prec;
+
+e:   e '+' e
+   | e '*' e
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y], 0, [],
+[[input.y: conflicts: 4 shift/reduce
+]])
+AT_CLEANUP
+
+
+## ---------------------------- ##
+## %no-default-prec with %prec  ##
+## ---------------------------- ##
+
+AT_SETUP([%no-default-prec with %prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%no-default-prec;
+
+e:   e '+' e %prec '+'
+   | e '*' e %prec '*'
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y])
+AT_CLEANUP
+
+
+## ---------------- ##
+## %default-prec    ##
+## ---------------- ##
+
+AT_SETUP([%default-prec])
+
+AT_DATA([[input.y]],
+[[%left '+'
+%left '*'
+
+%%
+
+%default-prec;
+
+e:   e '+' e
+   | e '*' e
+   | '0'
+   ;
+]])
+
+AT_CHECK([bison -o input.c input.y])
+AT_CLEANUP