1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* $NetBSD: eval.h,v 1.14 2003/08/07 09:05:31 agc Exp $ */ 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/*- 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (c) 1991, 1993 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * The Regents of the University of California. All rights reserved. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * This code is derived from software contributed to Berkeley by 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Kenneth Almquist. 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * documentation and/or other materials provided with the distribution. 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * may be used to endorse or promote products derived from this software 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * without specific prior written permission. 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * SUCH DAMAGE. 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * @(#)eval.h 8.2 (Berkeley) 5/4/95 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern char *commandname; /* currently executing command */ 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int exitstatus; /* exit status of last command */ 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int back_exitstatus; /* exit status of backquoted command */ 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern struct strlist *cmdenviron; /* environment for builtin command */ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct backcmd { /* result of evalbackcmd */ 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; /* file descriptor to read from */ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *buf; /* buffer */ 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int nleft; /* number of chars in buffer */ 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct job *jp; /* job structure for command */ 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid evalstring(char *, int); 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectunion node; /* BLETCH for ansi C */ 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid evaltree(union node *, int); 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid evalbackcmd(union node *, struct backcmd *); 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* in_function returns nonzero if we are currently evaluating a function */ 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define in_function() funcnest 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int funcnest; 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int evalskip; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* reasons for skipping commands (see comment on breakcmd routine) */ 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SKIPBREAK 1 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SKIPCONT 2 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SKIPFUNC 3 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SKIPFILE 4 65