1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * eval.h -- public definitions for eval module 26 * 27 */ 28 29 #ifndef _EFT_EVAL_H 30 #define _EFT_EVAL_H 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 struct evalue { 37 enum datatype { 38 UNDEFINED = 0, 39 UINT64, /* use for Boolean as well */ 40 STRING, /* usually pointer from stable() */ 41 NODEPTR /* (struct node *) */ 42 } t; 43 /* 44 * using v to handle all values eliminates the need for switch() 45 * blocks during assignments, comparisons and other operations 46 */ 47 unsigned long long v; 48 }; 49 50 int eval_potential(struct node *np, struct lut *ex, struct node *events[], 51 struct node **newc, struct config *croot); 52 int eval_expr(struct node *np, struct lut *ex, struct node *events[], 53 struct lut **globals, struct config *croot, struct arrow *arrowp, 54 int try, struct evalue *valuep); 55 56 #ifdef __cplusplus 57 } 58 #endif 59 60 #endif /* _EFT_EVAL_H */ 61