X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/19f8d30b9c97d3fb84013c83c111ef4530ffa924..e89a22bfab22e4d2ee73be49dcb66b51f8d0e892:/src/state.h

diff --git a/src/state.h b/src/state.h
index 53574297..8e60058e 100644
--- a/src/state.h
+++ b/src/state.h
@@ -1,5 +1,5 @@
 /* Type definitions for nondeterministic finite state machine for bison,
-   Copyright 1984, 1989, 2000 Free Software Foundation, Inc.
+   Copyright 1984, 1989, 2000, 2001 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -124,6 +124,9 @@ typedef struct shifts
   (shifts *) xcalloc ((unsigned) (sizeof (shifts) 			\
                                   + (Nshifts - 1) * sizeof (short)), 1)
 
+shifts * shifts_new PARAMS ((int n));
+
+
 /* What is the symbol which is shifted by SHIFTS->shifts[Shift]?  Can
    be a token (amongst which the error token), or non terminals in
    case of gotos.  */
@@ -146,6 +149,15 @@ typedef struct shifts
 #define SHIFT_IS_ERROR(Shifts, Shift) \
   (SHIFT_SYMBOL (Shifts, Shift) == error_token_number)
 
+/* When resolving a SR conflicts, if the reduction wins, the shift is
+   disabled.  */
+
+#define SHIFT_DISABLE(Shifts, Shift) \
+  (Shifts->shifts[Shift] = 0)
+
+#define SHIFT_IS_DISABLED(Shifts, Shift) \
+  (Shifts->shifts[Shift] == 0)
+
 
 /*-------.
 | Errs.  |