eval.h revision 1.15.32.1
1 1.15.32.1 tls /* $NetBSD: eval.h,v 1.15.32.1 2014/08/19 23:45:11 tls Exp $ */ 2 1.7 cgd 3 1.1 cgd /*- 4 1.5 jtc * Copyright (c) 1991, 1993 5 1.5 jtc * The Regents of the University of California. All rights reserved. 6 1.1 cgd * 7 1.1 cgd * This code is derived from software contributed to Berkeley by 8 1.1 cgd * Kenneth Almquist. 9 1.1 cgd * 10 1.1 cgd * Redistribution and use in source and binary forms, with or without 11 1.1 cgd * modification, are permitted provided that the following conditions 12 1.1 cgd * are met: 13 1.1 cgd * 1. Redistributions of source code must retain the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer. 15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 cgd * notice, this list of conditions and the following disclaimer in the 17 1.1 cgd * documentation and/or other materials provided with the distribution. 18 1.14 agc * 3. Neither the name of the University nor the names of its contributors 19 1.1 cgd * may be used to endorse or promote products derived from this software 20 1.1 cgd * without specific prior written permission. 21 1.1 cgd * 22 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.1 cgd * SUCH DAMAGE. 33 1.1 cgd * 34 1.8 christos * @(#)eval.h 8.2 (Berkeley) 5/4/95 35 1.1 cgd */ 36 1.1 cgd 37 1.15 matt extern const char *commandname; /* currently executing command */ 38 1.1 cgd extern int exitstatus; /* exit status of last command */ 39 1.13 christos extern int back_exitstatus; /* exit status of backquoted command */ 40 1.1 cgd extern struct strlist *cmdenviron; /* environment for builtin command */ 41 1.1 cgd 42 1.1 cgd 43 1.1 cgd struct backcmd { /* result of evalbackcmd */ 44 1.1 cgd int fd; /* file descriptor to read from */ 45 1.1 cgd char *buf; /* buffer */ 46 1.1 cgd int nleft; /* number of chars in buffer */ 47 1.1 cgd struct job *jp; /* job structure for command */ 48 1.1 cgd }; 49 1.1 cgd 50 1.13 christos void evalstring(char *, int); 51 1.1 cgd union node; /* BLETCH for ansi C */ 52 1.13 christos void evaltree(union node *, int); 53 1.13 christos void evalbackcmd(union node *, struct backcmd *); 54 1.1 cgd 55 1.1 cgd /* in_function returns nonzero if we are currently evaluating a function */ 56 1.15.32.1 tls int in_function(void); /* return non-zero, if evaluating a function */ 57 1.9 christos 58 1.9 christos /* reasons for skipping commands (see comment on breakcmd routine) */ 59 1.15.32.1 tls enum skipstate { 60 1.15.32.1 tls SKIPNONE = 0, /* not skipping */ 61 1.15.32.1 tls SKIPBREAK, /* break */ 62 1.15.32.1 tls SKIPCONT, /* continue */ 63 1.15.32.1 tls SKIPFUNC, /* return in a function */ 64 1.15.32.1 tls SKIPFILE /* return in a dot command */ 65 1.15.32.1 tls }; 66 1.15.32.1 tls 67 1.15.32.1 tls enum skipstate current_skipstate(void); 68 1.15.32.1 tls void stop_skipping(void); /* reset internal skipping state to SKIPNONE */ 69 1.15.32.1 tls 70 1.15.32.1 tls /* 71 1.15.32.1 tls * Only for use by reset() in init.c! 72 1.15.32.1 tls */ 73 1.15.32.1 tls void reset_eval(void); 74
Indexes created Sun Oct 12 05:10:08 GMT 2025