/* Definitions of dependency data structures for GNU Make.
Copyright (C) 1988-2016 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see . */
/* Structure used in chains of names, for parsing and globbing. */
#define NAMESEQ(_t) \
_t *next; \
const char *name
struct nameseq
{
NAMESEQ (struct nameseq);
};
/* Flag bits for the second argument to 'read_makefile'.
These flags are saved in the 'flags' field of each
'struct goaldep' in the chain returned by 'read_all_makefiles'. */
#define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */
#define RM_INCLUDED (1 << 1) /* Search makefile search path. */
#define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */
#define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */
#define RM_NOFLAG 0
/* Structure representing one dependency of a file.
Each struct file's 'deps' points to a chain of these, through 'next'.
'stem' is the stem for this dep line of static pattern rule or NULL. */
#ifndef CONFIG_WITH_INCLUDEDEP
#define DEP(_t) \
NAMESEQ (_t); \
struct file *file; \
const char *stem; \
unsigned short flags : 8; \
unsigned short changed : 1; \
unsigned short ignore_mtime : 1; \
unsigned short staticpattern : 1; \
unsigned short need_2nd_expansion : 1
#else
# define DEP(_t) \
NAMESEQ (_t); \
struct file *file; \
const char *stem; \
unsigned short flags : 8; \
unsigned short changed : 1; \
unsigned short ignore_mtime : 1; \
unsigned short staticpattern : 1; \
unsigned short need_2nd_expansion : 1; \
unsigned short includedep : 1
#endif
struct dep
{
DEP (struct dep);
};
/* Structure representing one goal.
The goals to be built constitute a chain of these, chained through 'next'.
'stem' is not used, but it's simpler to include and ignore it. */
struct goaldep
{
DEP (struct goaldep);
unsigned short error;
floc floc;
};
/* Options for parsing lists of filenames. */
#define PARSEFS_NONE 0x0000
#define PARSEFS_NOSTRIP 0x0001
#define PARSEFS_NOAR 0x0002
#define PARSEFS_NOGLOB 0x0004
#define PARSEFS_EXISTS 0x0008
#define PARSEFS_NOCACHE 0x0010
#ifndef CONFIG_WITH_ALLOC_CACHES
#define PARSE_FILE_SEQ(_s,_t,_c,_p,_f) \
(_t *)parse_file_seq ((_s),sizeof (_t),(_c),(_p),(_f))
#define PARSE_SIMPLE_SEQ(_s,_t) \
(_t *)parse_file_seq ((_s),sizeof (_t),MAP_NUL,NULL,PARSEFS_NONE)
#else
# define PARSE_FILE_SEQ(_s,_t,_c,_p,_f) \
(_t *)parse_file_seq ((_s),sizeof (_t),(_c),(_p),(_f), \
&PARSE_FILE_SEQ_IGNORE_ ## _t ## _cache)
# define PARSE_SIMPLE_SEQ(_s,_t) \
(_t *)parse_file_seq ((_s),sizeof (_t),MAP_NUL,NULL,PARSEFS_NONE, \
&PARSE_FILE_SEQ_IGNORE_ ## _t ## _cache)
# define PARSE_FILE_SEQ_IGNORE_struct
#endif
#ifdef VMS
void *parse_file_seq ();
#else
void *parse_file_seq (char **stringp, unsigned int size,
int stopmap, const char *prefix, int flags
IF_WITH_ALLOC_CACHES_PARAM(struct alloccache *cache));
#endif
char *tilde_expand (const char *name);
#ifndef NO_ARCHIVES
struct nameseq *ar_glob (const char *arname, const char *member_pattern, unsigned int size);
#endif
#define dep_name(d) ((d)->name ? (d)->name : (d)->file->name)
#ifndef CONFIG_WITH_ALLOC_CACHES
#define alloc_seq_elt(_t) xcalloc (sizeof (_t))
void free_ns_chain (struct nameseq *n);
#if defined(MAKE_MAINTAINER_MODE) && defined(__GNUC__)
/* Use inline to get real type-checking. */
#define SI static inline
SI struct nameseq *alloc_ns() { return alloc_seq_elt (struct nameseq); }
SI struct dep *alloc_dep() { return alloc_seq_elt (struct dep); }
SI struct goaldep *alloc_goaldep() { return alloc_seq_elt (struct goaldep); }
SI void free_ns(struct nameseq *n) { free (n); }
SI void free_dep(struct dep *d) { free_ns ((struct nameseq *)d); }
SI void free_goaldep(struct goaldep *g) { free_dep ((struct dep *)g); }
SI void free_dep_chain(struct dep *d) { free_ns_chain((struct nameseq *)d); }
SI void free_goal_chain(struct goaldep *g) { free_dep_chain((struct dep *)g); }
#else
# define alloc_ns() alloc_seq_elt (struct nameseq)
# define alloc_dep() alloc_seq_elt (struct dep)
# define alloc_goaldep() alloc_seq_elt (struct goaldep)
# define free_ns(_n) free (_n)
# define free_dep(_d) free_ns (_d)
# define free_goaldep(_g) free_dep (_g)
# define free_dep_chain(_d) free_ns_chain ((struct nameseq *)(_d))
# define free_goal_chain(_g) free_ns_chain ((struct nameseq *)(_g))
#endif
#else /* CONFIG_WITH_ALLOC_CACHES */
# include
K_INLINE struct nameseq *alloc_ns (void) { return (struct nameseq *)alloccache_calloc (&nameseq_cache); }
K_INLINE void free_ns (struct nameseq *n) { alloccache_free (&nameseq_cache, n); }
void free_ns_chain (struct nameseq *n);
K_INLINE struct dep *alloc_dep (void) { return (struct dep *)alloccache_calloc (&dep_cache); }
K_INLINE void free_dep (struct dep *d) { alloccache_free (&dep_cache, d); }
void free_dep_chain (struct dep *d);
K_INLINE struct goaldep *alloc_goaldep (void) { return (struct goaldep *)alloccache_calloc (&goaldep_cache); }
K_INLINE void free_goaldep (struct goaldep *g) { alloccache_free (&goaldep_cache, g); }
void free_goal_chain (struct goaldep *g);
#endif /* CONFIG_WITH_ALLOC_CACHES */
struct dep *copy_dep_chain (const struct dep *d);
struct goaldep *read_all_makefiles (const char **makefiles);
void eval_buffer (char *buffer, const floc *floc IF_WITH_VALUE_LENGTH(COMMA char *eos));
enum update_status update_goal_chain (struct goaldep *goals);
#ifdef CONFIG_WITH_INCLUDEDEP
/* incdep.c */
enum incdep_op { incdep_read_it, incdep_queue, incdep_flush };
void eval_include_dep (const char *name, floc *f, enum incdep_op op);
void incdep_flush_and_term (void);
#endif