/* $Id$ */ /* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* L I V E V A R I A B L E S A N A L Y S I S * * L V . H */ #define USE(b) (b)->b_extend->bx_lv.bx_use #define DEF(b) (b)->b_extend->bx_lv.bx_def #define L_IN(b) (b)->b_extend->bx_lv.bx_lin #define L_OUT(b) (b)->b_extend->bx_lv.bx_lout extern short nrglobals; /* number of global variables for which * ud-info is maintained. */ extern short nrvars; /* total number of variables (global + local) * for which ud-info is maintained. */ /* Every global variable for which ud-info is maintained has * a 'global variable number' (o_globnr). Every useful local * has a 'local variable number', which is its index in the * 'locals' table. All these variables also have a * 'variable number'. Conversions exist between these numbers. */ #define TO_GLOBAL(v) (v) #define TO_LOCAL(v) (v - nrglobals) #define GLOB_TO_VARNR(v) (v) #define LOC_TO_VARNR(v) (v + nrglobals) #define IS_GLOBAL(v) (v <= nrglobals) #define IS_LOCAL(v) (v > nrglobals) #define REGVAR(lc) lc->lc_flags |= LCF_REG #define IS_REGVAR(lc) (lc->lc_flags & LCF_REG) #define BADLC(lc) lc->lc_flags |= LCF_BAD #define IS_BADLC(lc) (lc->lc_flags & LCF_BAD) #define LIVE(lc) lc->lc_flags |= LCF_LIVE #define DEAD(lc) lc->lc_flags &= ~LCF_LIVE #define IS_LIVE(lc) (lc->lc_flags & LCF_LIVE) #define IS_DEAD(lc) (!(lc->lc_flags & LCF_LIVE))