1 /* Definitions of dependency data structures for GNU Make.
2 Copyright (C) 1988-2020 Free Software Foundation, Inc.
3 This file is part of GNU Make.
5 GNU Make is free software; you can redistribute it and/or modify it under the
6 terms of the GNU General Public License as published by the Free Software
7 Foundation; either version 3 of the License, or (at your option) any later
10 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12 A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along with
15 this program. If not, see <http://www.gnu.org/licenses/>. */
18 /* Structure used in chains of names, for parsing and globbing. */
26 NAMESEQ (struct nameseq);
29 /* Flag bits for the second argument to 'read_makefile'.
30 These flags are saved in the 'flags' field of each
31 'struct goaldep' in the chain returned by 'read_all_makefiles'. */
33 #define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */
34 #define RM_INCLUDED (1 << 1) /* Search makefile search path. */
35 #define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */
36 #define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */
39 /* Structure representing one dependency of a file.
40 Each struct file's 'deps' points to a chain of these, through 'next'.
41 'stem' is the stem for this dep line of static pattern rule or NULL. */
47 unsigned int flags : 8; \
48 unsigned int changed : 1; \
49 unsigned int ignore_mtime : 1; \
50 unsigned int staticpattern : 1; \
51 unsigned int need_2nd_expansion : 1; \
52 unsigned int ignore_automatic_vars : 1
59 /* Structure representing one goal.
60 The goals to be built constitute a chain of these, chained through 'next'.
61 'stem' is not used, but it's simpler to include and ignore it. */
70 /* Options for parsing lists of filenames. */
72 #define PARSEFS_NONE 0x0000
73 #define PARSEFS_NOSTRIP 0x0001
74 #define PARSEFS_NOAR 0x0002
75 #define PARSEFS_NOGLOB 0x0004
76 #define PARSEFS_EXISTS 0x0008
77 #define PARSEFS_NOCACHE 0x0010
78 #define PARSEFS_ONEWORD 0x0020
80 #define PARSE_FILE_SEQ(_s,_t,_c,_p,_f) \
81 (_t *)parse_file_seq ((_s),sizeof (_t),(_c),(_p),(_f))
82 #define PARSE_SIMPLE_SEQ(_s,_t) \
83 (_t *)parse_file_seq ((_s),sizeof (_t),MAP_NUL,NULL,PARSEFS_NONE)
86 void *parse_file_seq ();
88 void *parse_file_seq (char **stringp, size_t size,
89 int stopmap, const char *prefix, int flags);
92 char *tilde_expand (const char *name);
95 struct nameseq *ar_glob (const char *arname, const char *member_pattern, size_t size);
98 #define dep_name(d) ((d)->name ? (d)->name : (d)->file->name)
100 #define alloc_seq_elt(_t) xcalloc (sizeof (_t))
101 void free_ns_chain (struct nameseq *n);
103 #if defined(MAKE_MAINTAINER_MODE) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
104 /* Use inline to get real type-checking. */
105 #define SI static inline
106 SI struct nameseq *alloc_ns() { return alloc_seq_elt (struct nameseq); }
107 SI struct dep *alloc_dep() { return alloc_seq_elt (struct dep); }
108 SI struct goaldep *alloc_goaldep() { return alloc_seq_elt (struct goaldep); }
110 SI void free_ns(struct nameseq *n) { free (n); }
111 SI void free_dep(struct dep *d) { free_ns ((struct nameseq *)d); }
112 SI void free_goaldep(struct goaldep *g) { free_dep ((struct dep *)g); }
114 SI void free_dep_chain(struct dep *d) { free_ns_chain((struct nameseq *)d); }
115 SI void free_goal_chain(struct goaldep *g) { free_dep_chain((struct dep *)g); }
117 # define alloc_ns() alloc_seq_elt (struct nameseq)
118 # define alloc_dep() alloc_seq_elt (struct dep)
119 # define alloc_goaldep() alloc_seq_elt (struct goaldep)
121 # define free_ns(_n) free (_n)
122 # define free_dep(_d) free_ns (_d)
123 # define free_goaldep(_g) free_dep (_g)
125 # define free_dep_chain(_d) free_ns_chain ((struct nameseq *)(_d))
126 # define free_goal_chain(_g) free_ns_chain ((struct nameseq *)(_g))
129 struct dep *copy_dep_chain (const struct dep *d);
131 struct goaldep *read_all_makefiles (const char **makefiles);
132 void eval_buffer (char *buffer, const floc *floc);
133 enum update_status update_goal_chain (struct goaldep *goals);