/****************************************************************************** Copyright (c) 1992, 1995, 1996 Xerox Corporation. All rights reserved. Portions of this code were written by Stephen White, aka ghond. Use and copying of this software and preparation of derivative works based upon this software are permitted. Any distribution of this software or derivative works must comply with all applicable United States export control laws. This software is made available AS IS, and Xerox Corporation makes no warranty about the software, its performance or its conformity to any specification. Any person obtaining a copy of this software is requested to send their name and post office or electronic mail address to: Pavel Curtis Xerox PARC 3333 Coyote Hill Rd. Palo Alto, CA 94304 Pavel@Xerox.Com *****************************************************************************/ #include "config.h" #include "eval_env.h" #include "storage.h" #include "structures.h" #include "sym_table.h" #include "utils.h" Var * new_rt_env(unsigned size) { Var *ret = mymalloc(size * sizeof(Var), M_RT_ENV); unsigned i; for (i = 0; i < size; i++) ret[i].type = TYPE_NONE; return ret; } void free_rt_env(Var *rt_env, unsigned size) { register unsigned i; for (i = 0; i < size; i++) free_var(rt_env[i]); myfree((void *) rt_env, M_RT_ENV); } Var * copy_rt_env(Var *from, unsigned size) { unsigned i; Var *ret = new_rt_env(size); for (i = 0; i < size; i++) ret[i] = var_ref(from[i]); return ret; } void fill_in_rt_consts(Var *env, DB_Version version) { Var v; v.type = TYPE_INT; v.v.num = (int) TYPE_ERR; env[SLOT_ERR] = var_ref(v); v.v.num = (int) TYPE_INT; env[SLOT_NUM] = var_ref(v); v.v.num = (int) TYPE_STR; env[SLOT_STR] = var_ref(v); v.v.num = (int) TYPE_OBJ; env[SLOT_OBJ] = var_ref(v); v.v.num = (int) TYPE_LIST; env[SLOT_LIST] = var_ref(v); if (version >= DBV_Float) { v.v.num = (int) TYPE_INT; env[SLOT_INT] = var_ref(v); v.v.num = (int) TYPE_FLOAT; env[SLOT_FLOAT] = var_ref(v); } } void set_rt_env_obj(Var *env, int slot, Objid o) { Var v; v.type = TYPE_OBJ; v.v.obj = o; env[slot] = var_ref(v); } void set_rt_env_str(Var *env, int slot, const char *s) { Var v; v.type = TYPE_STR; v.v.str = s; env[slot] = v; } void set_rt_env_var(Var *env, int slot, Var v) { env[slot] = v; } char rcsid_rt_env[] = "$Id: eval_env.c,v 2.1 1996/02/08 07:13:03 pavel Exp $"; /* $Log: eval_env.c,v $ * Revision 2.1 1996/02/08 07:13:03 pavel * Renamed TYPE_NUM to TYPE_INT. Made fill_in_rt_consts() version-dependent. * Updated copyright notice for 1996. Release 1.8.0beta1. * * Revision 2.0 1995/11/30 04:21:51 pavel * New baseline version, corresponding to release 1.8.0alpha1. * * Revision 1.6 1992/10/23 23:03:47 pavel * Added copyright notice. * * Revision 1.5 1992/10/21 03:02:35 pavel * Converted to use new automatic configuration system. * * Revision 1.4 1992/10/17 20:24:21 pavel * Global rename of strdup->str_dup, strref->str_ref, vardup->var_dup, and * varref->var_ref. * * Revision 1.3 1992/08/31 22:23:15 pjames * Changed some `char *'s to `const char *' * * Revision 1.2 1992/08/28 15:59:54 pjames * Changed vardup to varref. * * Revision 1.1 1992/08/10 16:20:00 pjames * Initial RCS-controlled version */