1 #include "sys.h"
2 
3 #undef assert
4 #define	assert	mkassert
5 extern Biobuf bout;
6 
7 typedef struct Bufblock
8 {
9 	struct Bufblock *next;
10 	char 		*start;
11 	char 		*end;
12 	char 		*current;
13 } Bufblock;
14 
15 typedef struct Word
16 {
17 	char 		*s;
18 	struct Word 	*next;
19 } Word;
20 
21 typedef struct Envy
22 {
23 	char 		*name;
24 	Word 		*values;
25 } Envy;
26 
27 extern Envy *envy;
28 
29 typedef struct Rule
30 {
31 	char 		*target;	/* one target */
32 	Word 		*tail;		/* constituents of targets */
33 	char 		*recipe;	/* do it ! */
34 	short 		attr;		/* attributes */
35 	short 		line;		/* source line */
36 	char 		*file;		/* source file */
37 	Word 		*alltargets;	/* all the targets */
38 	int 		rule;		/* rule number */
39 	Reprog		*pat;		/* reg exp goo */
40 	char		*prog;		/* to use in out of date */
41 	struct Rule	*chain;		/* hashed per target */
42 	struct Rule	*next;
43 } Rule;
44 
45 extern Rule *rules, *metarules, *patrule;
46 
47 /*	Rule.attr	*/
48 #define		META		0x0001
49 #define		UNUSED		0x0002
50 #define		UPD		0x0004
51 #define		QUIET		0x0008
52 #define		VIR		0x0010
53 #define		REGEXP		0x0020
54 #define		NOREC		0x0040
55 #define		DEL		0x0080
56 #define		NOVIRT		0x0100
57 
58 #define		NREGEXP		10
59 
60 typedef struct Arc
61 {
62 	short		flag;
63 	struct Node	*n;
64 	Rule		*r;
65 	char		*stem;
66 	char		*prog;
67 	char		*match[NREGEXP];
68 	struct Arc	*next;
69 } Arc;
70 
71 	/* Arc.flag */
72 #define		TOGO		1
73 
74 typedef struct Node
75 {
76 	char		*name;
77 	long		time;
78 	unsigned short	flags;
79 	Arc		*prereqs;
80 	struct Node	*next;		/* list for a rule */
81 } Node;
82 
83 	/* Node.flags */
84 #define		VIRTUAL		0x0001
85 #define		CYCLE		0x0002
86 #define		READY		0x0004
87 #define		CANPRETEND	0x0008
88 #define		PRETENDING	0x0010
89 #define		NOTMADE		0x0020
90 #define		BEINGMADE	0x0040
91 #define		MADE		0x0080
92 #define		MADESET(n,m)	n->flags = (n->flags&~(NOTMADE|BEINGMADE|MADE))|(m)
93 #define		PROBABLE	0x0100
94 #define		VACUOUS		0x0200
95 #define		NORECIPE	0x0400
96 #define		DELETE		0x0800
97 #define		NOMINUSE	0x1000
98 
99 typedef struct Job
100 {
101 	Rule		*r;	/* master rule for job */
102 	Node		*n;	/* list of node targets */
103 	char		*stem;
104 	char		**match;
105 	Word		*p;	/* prerequistes */
106 	Word		*np;	/* new prerequistes */
107 	Word		*t;	/* targets */
108 	Word		*at;	/* all targets */
109 	int		nproc;	/* slot number */
110 	struct Job	*next;
111 } Job;
112 extern Job *jobs;
113 
114 typedef struct Symtab
115 {
116 	short		space;
117 	char		*name;
118 	void		*value;
119 	struct Symtab	*next;
120 } Symtab;
121 
122 enum {
123 	S_VAR,		/* variable -> value */
124 	S_TARGET,	/* target -> rule */
125 	S_TIME,		/* file -> time */
126 	S_PID,		/* pid -> products */
127 	S_NODE,		/* target name -> node */
128 	S_AGG,		/* aggregate -> time */
129 	S_BITCH,	/* bitched about aggregate not there */
130 	S_NOEXPORT,	/* var -> noexport */
131 	S_OVERRIDE,	/* can't override */
132 	S_OUTOFDATE,	/* n1\377n2 -> 2(outofdate) or 1(not outofdate) */
133 	S_MAKEFILE,	/* target -> node */
134 	S_MAKEVAR,	/* dumpable mk variable */
135 	S_EXPORTED,	/* var -> current exported value */
136 	S_WESET,	/* variable; we set in the mkfile */
137 	S_INTERNAL	/* an internal mk variable (e.g., stem, target) */
138 };
139 
140 extern	int	debug;
141 extern	int	nflag, tflag, iflag, kflag, aflag, mflag;
142 extern	int	mkinline;
143 extern	char	*infile;
144 extern	int	nreps;
145 extern	char	*explain;
146 extern	char	*termchars;
147 extern	int	IWS;
148 extern	char 	*shell;
149 extern	char 	*shellname;
150 extern	char 	*shflags;
151 
152 #define	SYNERR(l)	(fprint(2, "mk: %s:%d: syntax error; ", infile, ((l)>=0)?(l):mkinline))
153 #define	RERR(r)		(fprint(2, "mk: %s:%d: rule error; ", (r)->file, (r)->line))
154 #define	NAMEBLOCK	1000
155 #define	BIGBLOCK	20000
156 
157 #define	SEP(c)		(((c)==' ')||((c)=='\t')||((c)=='\n'))
158 #define WORDCHR(r)	((r) > ' ' && !utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", (r)))
159 
160 #define	DEBUG(x)	(debug&(x))
161 #define		D_PARSE		0x01
162 #define		D_GRAPH		0x02
163 #define		D_EXEC		0x04
164 
165 #define	LSEEK(f,o,p)	seek(f,o,p)
166 
167 #define	PERCENT(ch)	(((ch) == '%') || ((ch) == '&'))
168 
169 #include	"fns.h"