Include <limits.h> unconditionally. We have been

[bison.git] / src / gram.h

diff --git a/src/gram.h b/src/gram.h
index af3c3249427e7994a4bae28028b62ba792e6cc75..ae04d920b19510b908e1e472a3888845e9348ebd 100644 (file)
--- a/src/gram.h
+++ b/src/gram.h
@@ -1,5 +1,6 @@
-/* Data definitions for internal representation of bison's input,
-   Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002
+/* Data definitions for internal representation of Bison's input.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -106,8 +107,8 @@
 # include "location.h"
 # include "symtab.h"
 
-# define ISTOKEN(s)    ((s) < ntokens)
-# define ISVAR(s)      ((s) >= ntokens)
+# define ISTOKEN(i)    ((i) < ntokens)
+# define ISVAR(i)      ((i) >= ntokens)
 
 extern int nsyms;
 extern int ntokens;
@@ -124,17 +125,34 @@ extern unsigned int nritems;
 
    Therefore, a symbol_number must be a valid item_number, and we
    sometimes have to perform the converse transformation.  */
-# define symbol_number_as_item_number(Tok) ((item_number) (Tok))
-# define item_number_as_symbol_number(Ite) ((symbol_number) (Ite))
 
-extern symbol_number start_symbol;
+static inline item_number
+symbol_number_as_item_number (symbol_number sym)
+{
+  return sym;
+}
+
+static inline symbol_number
+item_number_as_symbol_number (item_number i)
+{
+  return i;
+}
 
 /* Rule numbers.  */
 typedef short rule_number;
 extern rule_number nrules;
-# define int_of_rule_number(RNum) ((int) (RNum))
-# define rule_number_as_item_number(RNum) ((item_number) (- RNum - 1))
-# define item_number_as_rule_number(INum) ((rule_number) (- INum - 1))
+
+static inline item_number
+rule_number_as_item_number (rule_number r)
+{
+  return -1 - r;
+}
+
+static inline rule_number
+item_number_as_rule_number (item_number i)
+{
+  return -1 - i;
+}
 
 
 /*--------.