2 * Copyright (c) 2002 Juli Mallett.
3 * Copyright (c) 1988, 1989, 1990, 1993
4 * The Regents of the University of California. All rights reserved.
5 * Copyright (c) 1989 by Berkeley Softworks
8 * This code is derived from software contributed to Berkeley by
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * $FreeBSD: src/usr.bin/make/var.h,v 1.8 2005/02/07 16:27:19 harti Exp $
40 * $DragonFly: src/usr.bin/make/var.h,v 1.15 2005/02/15 01:01:18 okumoto Exp $
43 #ifndef var_h_9cccafce
44 #define var_h_9cccafce
54 char *name; /* the variable's name */
55 struct Buffer *val; /* its value */
56 int flags; /* miscellaneous status flags */
58 #define VAR_IN_USE 1 /* Variable's value currently being used.
59 * Used to avoid recursion */
61 #define VAR_FROM_ENV 2 /* Variable comes from the environment */
63 #define VAR_JUNK 4 /* Variable is a junk variable that
64 * should be destroyed when done with
65 * it. Used by Var_Parse for undefined,
66 * modified variables */
68 #define VAR_TO_ENV 8 /* Place variable in environment */
71 /* Var*Pattern flags */
72 #define VAR_SUB_GLOBAL 0x01 /* Apply substitution globally */
73 #define VAR_SUB_ONE 0x02 /* Apply substitution to one word */
74 #define VAR_SUB_MATCHED 0x04 /* There was a match */
75 #define VAR_MATCH_START 0x08 /* Match at start of word */
76 #define VAR_MATCH_END 0x10 /* Match at end of word */
77 #define VAR_NOSUBST 0x20 /* don't expand vars in VarGetPattern */
80 char *lhs; /* String to match */
81 size_t leftLen; /* Length of string */
82 char *rhs; /* Replacement string (w/ &'s removed) */
83 size_t rightLen; /* Length of replacement */
95 typedef Boolean VarModifyProc(const char *, Boolean, struct Buffer *, void *);
100 void VarREError(int, regex_t *, const char *);
105 VarModifyProc VarHead;
106 VarModifyProc VarTail;
107 VarModifyProc VarSuffix;
108 VarModifyProc VarRoot;
109 VarModifyProc VarMatch;
111 VarModifyProc VarSYSVMatch;
113 VarModifyProc VarNoMatch;
114 VarModifyProc VarRESubstitute;
115 VarModifyProc VarSubstitute;
117 void Var_Delete(const char *, struct GNode *);
118 void Var_Set(const char *, const char *, struct GNode *);
119 void Var_SetEnv(const char *, struct GNode *);
120 void Var_Append(const char *, const char *, struct GNode *);
121 Boolean Var_Exists(const char *, struct GNode *);
122 char *Var_Value(const char *, struct GNode *, char **);
123 char *Var_Quote(const char *);
124 char *Var_Parse(char *, struct GNode *, Boolean, size_t *, Boolean *);
125 struct Buffer *Var_Subst(const char *, const char *, struct GNode *, Boolean);
126 char *Var_GetTail(char *);
127 char *Var_GetHead(char *);
129 void Var_Dump(struct GNode *);
131 #endif /* var_h_9cccafce */