1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* idfile.h -- decls for ID file header and constituent file names
Copyright (C) 1986, 1995-1996, 1999, 2007-2010 Free Software Foundation,
Inc.
Written by Greg McGary <gkm@gnu.ai.mit.edu>
This program 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, or (at your option)
any later version.
This program 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 <http://www.gnu.org/licenses/>.
*/
#ifndef _idfile_h_
#define _idfile_h_ 1
#include <config.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <stdio.h>
#include <string.h>
#include "obstack.h"
#include "idu-hash.h"
#include "dynvec.h"
#include "tokflags.h"
/****************************************************************************/
/* The ID file header is the nexus of all ID file information. This
is an in-core structure, only some of which is read/written to disk. */
struct idhead
{
unsigned char idh_magic[2];
#define IDH_MAGIC_0 ('I'|0x80)
#define IDH_MAGIC_1 ('D'|0x80)
unsigned char idh_version;
#define IDH_VERSION 4
unsigned short idh_flags;
#define IDH_COUNTS (1<<0) /* include occurrence counts for each token */
#define IDH_FOLLOW_SL (1<<1) /* follow symlinks to directories */
#define IDH_COMMENTS (1<<2) /* include tokens found in comments */
#define IDH_LOCALS (1<<3) /* include names of formal params & local vars */
#define IDH_DECL_DEFN_USE (1<<4) /* include decl/defn/use info */
#define IDH_L_R_VALUE (1<<5) /* include lvalue/rvalue info */
#define IDH_CALL_ER_EE (1<<6) /* include caller/callee relationship info */
unsigned long idh_file_links; /* total # of file links */
unsigned long idh_files; /* total # of constituent source files */
unsigned long idh_tokens; /* total # of constituent tokens */
/* idh_*_size: max buffer-sizes for ID file reading programs */
unsigned long idh_buf_size; /* # of bytes in longest entry */
unsigned long idh_vec_size; /* # of hits in longest entry */
/* idh_*_offset: ID file offsets for start of various sections */
long idh_tokens_offset; /* constituent tokens section */
long idh_flinks_offset; /* constituent file & directory names section */
long idh_end_offset; /* end of tokens section */
unsigned short idh_max_link; /* longest file name component */
unsigned short idh_max_path; /* largest # of file name components */
/* The following are run-time variables and are not stored on disk */
char const *idh_file_name;
struct hash_table idh_member_file_table;
struct hash_table idh_file_link_table;
struct obstack idh_member_file_obstack;
struct obstack idh_file_link_obstack;
#if HAVE_LINK
struct hash_table idh_dev_ino_table; /* for detecting file name aliases */
struct obstack idh_dev_ino_obstack;
#endif
FILE *idh_FILE;
};
/* idhead input/output definitions */
#define IO_TYPE_INT 0 /* integer */
#define IO_TYPE_STR 1 /* NUL terminated string */
#define IO_TYPE_FIX 2 /* fix-sized */
/****************************************************************************/
/* A file_link represents a single component (file or directory) in a
file name. It has a name, a parent file_link and some flags. */
struct file_link
{
union {
struct file_link *u_parent;
#define fl_parent fl_u.u_parent
unsigned long u_index;
#define fl_index fl_u.u_index
#define FL_PARENT_INDEX_BYTES 3
#define IS_ROOT_FILE_LINK(flink) ((flink)->fl_parent == (flink))
} fl_u;
unsigned char fl_flags;
#define FL_CMD_LINE_ARG (1<<0)
#define FL_USED (1<<1)
#define FL_MEMBER (1<<2) /* has a corresponding member_file entry */
#define FL_SCAN_ME (1<<3)
#define FL_SYM_LINK (1<<4)
#define FL_TYPE_MASK (FL_TYPE_DIR|FL_TYPE_FILE)
# define FL_TYPE_DIR (1<<5)
# define FL_IS_DIR(_f_) (((_f_) & FL_TYPE_MASK) == FL_TYPE_DIR)
# define FL_TYPE_FILE (1<<6)
# define FL_IS_FILE(_f_) (((_f_) & FL_TYPE_MASK) == FL_TYPE_FILE)
#define FL_PRUNE (1<<7)
char fl_name[1];
};
/* A member_file represents a source file that is treated by mkid. */
struct member_file
{
struct file_link *mf_link;
struct lang_args const *mf_lang_args;
long mf_index; /* order in ID file */
};
#if HAVE_LINK
/* On systems that support multiple names for a single file (via hard
and/or soft links), dev_ino records information needed to detect
such aliasing. */
struct dev_ino
{
dev_t di_dev;
ino_t di_ino;
struct file_link *di_link;
};
extern struct hash_table dev_ino_table;
#endif /* HAVE_LINK */
/******************************************************************************/
/* token flags (struct token is defined in scanners.h) */
#define token_string(buf) (buf)
extern unsigned int token_flags (char const *buf);
extern unsigned short token_count (char const *buf);
extern unsigned char const *token_hits_addr (char const *buf);
#define MAYBE_RETURN_PREFIX_MATCH(arg, str, val) do { \
char const *_s_ = (str); \
if (strstr (_s_, (arg)) == _s_) \
return (val); \
} while (0)
enum separator_style
{
ss_bogus,
ss_contextual,
ss_braces,
ss_space,
ss_newline
};
#ifndef DEFAULT_SEPARATOR_STYLE
#define DEFAULT_SEPARATOR_STYLE ss_braces
#endif
typedef int (*io_func_t) (FILE *, void *, unsigned int, int);
extern struct file_link **read_id_file (char const *id_file_name, struct idhead *idhp);
extern struct file_link **maybe_read_id_file (char const *id_file_name, struct idhead *idhp);
extern int read_idhead (struct idhead *idhp);
extern int write_idhead (struct idhead *idhp);
extern int sizeof_idhead (void);
extern struct file_link *init_walker (struct idhead *idhp);
extern void init_idh_obstacks (struct idhead *idhp);
extern void init_idh_tables (struct idhead *idhp);
extern int io_write (FILE *output_FILE, void *addr, unsigned int size, int io_type);
extern int io_read (FILE *input_FILE, void *addr, unsigned int size, int io_type);
extern int io_idhead (FILE *fp, io_func_t iof, struct idhead *idhp);
extern struct file_link *get_current_dir_link (void);
extern struct file_link **deserialize_file_links (struct idhead *idhp);
extern void serialize_file_links (struct idhead *idhp);
extern void mark_member_file_links (struct idhead *idhp);
extern int member_file_qsort_compare (void const *x, void const *y);
extern struct file_link *parse_file_name (char *file_name, struct file_link *relative_dir_link);
extern void print_filenames (struct file_link **flinkv, enum separator_style separator_style);
extern enum separator_style parse_separator_style (char const *arg);
extern void walk_flink (struct file_link *flink, struct dynvec *sub_dirs_vec);
extern int chdir_to_link (struct file_link* dir_link);
extern void prune_file_names (char *str, struct file_link *from_link);
extern void include_languages (char *lang_names);
extern void exclude_languages (char *lang_names);
extern char *absolute_file_name (char *buffer, struct file_link const *flink);
extern char *maybe_relative_file_name (char *buffer, struct file_link const *to_link, struct file_link const *from_link);
extern char const *locate_id_file_name (char const *arg);
extern int tree8_count_levels (unsigned int cardinality);
extern int gets_past_00 (char *tok, FILE *input_FILE);
extern int skip_past_00 (FILE *input_FILE);
extern int links_depth (struct file_link const *flink);
#if HAVE_LINK
extern struct member_file *find_member_file (struct file_link const *flink);
#endif
extern struct idhead idh;
extern int walker_verbose_flag;
extern off_t largest_member_file;
#define MAX_LARGEST_MEMBER_FILE (2*1024*1024-1)
#define DEFAULT_ID_FILE_NAME "ID"
#endif /* not _idfile_h_ */
|
