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
|
#ifndef GNODE_H
#define GNODE_H
/* $OpenPackages$ */
/* $OpenBSD: gnode.h,v 1.10 2007/11/10 13:59:48 espie Exp $ */
/*
* Copyright (c) 2001 Marc Espie.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TIMESTAMP_TYPE
#include "timestamp_t.h"
#endif
#ifndef LIST_TYPE
#include "lst_t.h"
#endif
#ifndef SYMTABLE_H
#include "symtable.h"
#endif
struct Suff_;
/*-
* The structure for an individual graph node. Each node has several
* pieces of data associated with it.
* 1) the name of the target it describes
* 2) the location of the target file in the file system.
* 3) the type of operator used to define its sources (qv. parse.c)
* 4) whether it is involved in this invocation of make
* 5) whether the target has been remade
* 6) whether any of its children has been remade
* 7) the number of its children that are, as yet, unmade
* 8) its modification time
* 9) the modification time of its youngest child (qv. make.c)
* 10) a list of nodes for which this is a source
* 11) a list of nodes on which this depends
* 12) a list of nodes that depend on this, as gleaned from the
* transformation rules.
* 13) a list of nodes of the same name created by the :: operator
* 14) a list of nodes that must be made (if they're made) before
* this node can be, but that do no enter into the datedness of
* this node.
* 15) a list of nodes that must be made (if they're made) after
* this node is, but that do not depend on this node, in the
* normal sense.
* 16) a Lst of ``local'' variables that are specific to this target
* and this target only (qv. var.c [$@ $< $?, etc.])
* 17) a Lst of strings that are commands to be given to a shell
* to create this target.
*/
#define UNKNOWN 0
#define BEINGMADE 1
#define MADE 2
#define UPTODATE 3
#define ERROR 4
#define ABORTED 5
#define CYCLE 6
#define ENDCYCLE 7
#define NOSUCHNODE 8
#define SPECIAL_NONE 0
#define SPECIAL_PATH 21
#define SPECIAL_MASK 63
#define SPECIAL_TARGET 64
#define SPECIAL_SOURCE 128
#define SPECIAL_TARGETSOURCE (SPECIAL_TARGET|SPECIAL_SOURCE)
struct GNode_ {
int special_op; /* special op to apply */
unsigned char special;/* type of special node */
char must_make; /* true if this target needs to be remade */
char childMade; /* true if one of this target's children was
* made */
char built_status; /* Set to reflect the state of processing
* on this node:
* UNKNOWN - Not examined yet
* BEINGMADE - Target is currently being made.
* MADE - Was out-of-date and has been made
* UPTODATE - Was already up-to-date
* ERROR - An error occurred while it was being
* made (used only in compat mode)
* ABORTED - The target was aborted due to
* an error making an inferior.
* CYCLE - Marked as potentially being part of
* a graph cycle. If we come back to a
* node marked this way, it is printed
* and 'built_status' is changed to ENDCYCLE.
* ENDCYCLE - the cycle has been completely
* printed. Go back and unmark all its
* members.
*/
char *path; /* The full pathname of the file */
int type; /* Its type (see the OP flags, below) */
int order; /* Its wait weight */
int unmade; /* The number of unmade children */
TIMESTAMP mtime; /* Its modification time */
TIMESTAMP cmtime; /* The modification time of its youngest
* child */
GNode *impliedsrc;
LIST cohorts; /* Other nodes for the :: operator */
LIST parents; /* Nodes that depend on this one */
LIST children; /* Nodes on which this one depends */
LIST successors; /* Nodes that must be made after this one */
LIST preds; /* Nodes that must be made before this one */
SymTable context; /* The local variables */
unsigned long lineno;/* First line number of commands. */
const char *fname; /* File name of commands. */
LIST commands; /* Creation commands */
LstNode current; /* Current command, for job */
struct Suff_ *suffix;/* Suffix for the node (determined by
* Suff_FindDeps and opaque to everyone
* but the Suff module) */
char name[1]; /* The target's name */
};
/*
* The OP_ constants are used when parsing a dependency line as a way of
* communicating to other parts of the program the way in which a target
* should be made. These constants are bitwise-OR'ed together and
* placed in the 'type' field of each node. Any node that has
* a 'type' field which satisfies the OP_NOP function was never never on
* the lefthand side of an operator, though it may have been on the
* righthand side...
*/
#define OP_DEPENDS 0x00000001 /* Execution of commands depends on
* kids (:) */
#define OP_FORCE 0x00000002 /* Always execute commands (!) */
#define OP_DOUBLEDEP 0x00000004 /* Execution of commands depends on kids
* per line (::) */
#define OP_ERROR 0x00000000
#define OP_OPMASK (OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP)
#define OP_OPTIONAL 0x00000008 /* Don't care if the target doesn't
* exist and can't be created */
#define OP_USE 0x00000010 /* Use associated commands for parents */
#define OP_EXEC 0x00000020 /* Target is never out of date, but always
* execute commands anyway. Its time
* doesn't matter, so it has none...sort
* of */
#define OP_IGNORE 0x00000040 /* Ignore errors when creating the node */
#define OP_PRECIOUS 0x00000080 /* Don't remove the target when
* interrupted */
#define OP_SILENT 0x00000100 /* Don't echo commands when executed */
#define OP_MAKE 0x00000200 /* Target is a recursive make so its
* commands should always be executed when
* it is out of date, regardless of the
* state of the -n or -t flags */
#define OP_JOIN 0x00000400 /* Target is out-of-date only if any of its
* children was out-of-date */
#define OP_MADE 0x00000800 /* Assume the node is already made; even if
* it really is out of date */
#define OP_INVISIBLE 0x00004000 /* The node is invisible to its parents.
* I.e. it doesn't show up in the parents's
* local variables. */
#define OP_NOTMAIN 0x00008000 /* The node is exempt from normal 'main
* target' processing in parse.c */
#define OP_PHONY 0x00010000 /* Not a file target; run always */
#define OP_NOPATH 0x00020000 /* Don't search for file in the path */
#define OP_NODEFAULT 0x00040000 /* Special node that never needs */
/* DEFAULT commands applied */
#define OP_DUMMY 0x00080000 /* node was created by default, but it */
/* does not really exist. */
/* Attributes applied by PMake */
#define OP_TRANSFORM 0x80000000 /* The node is a transformation rule */
#define OP_MEMBER 0x40000000 /* Target is a member of an archive */
#define OP_LIB 0x20000000 /* Target is a library */
#define OP_ARCHV 0x10000000 /* Target is an archive construct */
#define OP_HAS_COMMANDS 0x08000000 /* Target has all the commands it should.
* Used when parsing to catch multiple
* commands for a target */
#define OP_DEPS_FOUND 0x02000000 /* Already processed by Suff_FindDeps */
#define OP_RESOLVED 0x01000000 /* We looked harder already */
/*
* OP_NOP will return true if the node with the given type was not the
* object of a dependency operator
*/
#define OP_NOP(t) (((t) & OP_OPMASK) == 0x00000000)
#define OP_NOTARGET (OP_NOTMAIN|OP_USE|OP_EXEC|OP_TRANSFORM)
#endif
|
