/*
 * These integer codes correspond to production rules in c-calctree.y
 * The numbers are almost arbitrary, except (a) we'd like to not overlap
 * with any terminal symbol codes, including ASCII codes, and (b) ideally
 * it would be trivial to tell from the code what non-terminal is involved.
 */

#define INPUT    1000
#define INPUT_R1 1001
#define INPUT_R2 1002
#define LINE     2000
#define LINE_R1  2001
#define LINE_R2  2002
#define EXP      3000
#define EXP_R1   3001 /* NUM */
#define EXP_R2   3002 /* E+E */
#define EXP_R3   3003 /* E-E */
#define EXP_R4   3004 /* E*E */
#define EXP_R5   3005 /* E/E */
#define EXP_R6   3006 /* -E  */
#define EXP_R7   3007 /* E^E */
#define EXP_R8   3008 /* (E) */