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 Shell 30 { 31 char *name; 32 char *termchars; /* used in parse.c to isolate assignment attribute */ 33 int iws; /* inter-word separator in environment */ 34 char *(*charin)(char*, char*); /* search for unescaped characters */ 35 char *(*expandquote)(char*, Rune, Bufblock*); /* extract escaped token */ 36 int (*escapetoken)(Biobuf*, Bufblock*, int, int); /* input escaped token */ 37 char *(*copyq)(char*, Rune, Bufblock*); /* check for quoted strings */ 38 int (*matchname)(char*); /* does name match */ 39 } Shell; 40 41 typedef struct Rule 42 { 43 char *target; /* one target */ 44 Word *tail; /* constituents of targets */ 45 char *recipe; /* do it ! */ 46 short attr; /* attributes */ 47 short line; /* source line */ 48 char *file; /* source file */ 49 Word *alltargets; /* all the targets */ 50 int rule; /* rule number */ 51 Reprog *pat; /* reg exp goo */ 52 char *prog; /* to use in out of date */ 53 struct Rule *chain; /* hashed per target */ 54 struct Rule *next; 55 Shell *shellt; /* shell to use with this rule */ 56 Word *shellcmd; 57 } Rule; 58 59 extern Rule *rules, *metarules, *patrule; 60 61 /* Rule.attr */ 62 #define META 0x0001 63 #define UNUSED 0x0002 64 #define UPD 0x0004 65 #define QUIET 0x0008 66 #define VIR 0x0010 67 #define REGEXP 0x0020 68 #define NOREC 0x0040 69 #define DEL 0x0080 70 #define NOVIRT 0x0100 71 72 #define NREGEXP 10 73 74 typedef struct Arc 75 { 76 short flag; 77 struct Node *n; 78 Rule *r; 79 char *stem; 80 char *prog; 81 char *match[NREGEXP]; 82 struct Arc *next; 83 } Arc; 84 85 /* Arc.flag */ 86 #define TOGO 1 87 88 typedef struct Node 89 { 90 char *name; 91 long time; 92 unsigned short flags; 93 Arc *prereqs; 94 struct Node *next; /* list for a rule */ 95 } Node; 96 97 /* Node.flags */ 98 #define VIRTUAL 0x0001 99 #define CYCLE 0x0002 100 #define READY 0x0004 101 #define CANPRETEND 0x0008 102 #define PRETENDING 0x0010 103 #define NOTMADE 0x0020 104 #define BEINGMADE 0x0040 105 #define MADE 0x0080 106 #define MADESET(n,m) n->flags = (n->flags&~(NOTMADE|BEINGMADE|MADE))|(m) 107 #define PROBABLE 0x0100 108 #define VACUOUS 0x0200 109 #define NORECIPE 0x0400 110 #define DELETE 0x0800 111 #define NOMINUSE 0x1000 112 #define ONLIST 0x2000 113 114 typedef struct Job 115 { 116 Rule *r; /* master rule for job */ 117 Node *n; /* list of node targets */ 118 char *stem; 119 char **match; 120 Word *p; /* prerequistes */ 121 Word *np; /* new prerequistes */ 122 Word *t; /* targets */ 123 Word *at; /* all targets */ 124 int nproc; /* slot number */ 125 struct Job *next; 126 } Job; 127 extern Job *jobs; 128 129 typedef struct Symtab 130 { 131 short space; 132 char *name; 133 union { 134 void *ptr; 135 uintptr value; 136 } u; 137 struct Symtab *next; 138 } Symtab; 139 140 enum { 141 S_VAR, /* variable -> value */ 142 S_TARGET, /* target -> rule */ 143 S_TIME, /* file -> time */ 144 S_PID, /* pid -> products */ 145 S_NODE, /* target name -> node */ 146 S_AGG, /* aggregate -> time */ 147 S_BITCH, /* bitched about aggregate not there */ 148 S_NOEXPORT, /* var -> noexport */ 149 S_OVERRIDE, /* can't override */ 150 S_OUTOFDATE, /* n1\377n2 -> 2(outofdate) or 1(not outofdate) */ 151 S_MAKEFILE, /* target -> node */ 152 S_MAKEVAR, /* dumpable mk variable */ 153 S_EXPORTED, /* var -> current exported value */ 154 S_WESET, /* variable; we set in the mkfile */ 155 S_INTERNAL /* an internal mk variable (e.g., stem, target) */ 156 }; 157 158 extern int debug; 159 extern int nflag, tflag, iflag, kflag, aflag, mflag; 160 extern int mkinline; 161 extern char *infile; 162 extern int nreps; 163 extern char *explain; 164 extern Shell *shellt; 165 extern Word *shellcmd; 166 167 extern Shell shshell, rcshell; 168 169 #define SYNERR(l) (fprint(2, "mk: %s:%d: syntax error; ", infile, ((l)>=0)?(l):mkinline)) 170 #define RERR(r) (fprint(2, "mk: %s:%d: rule error; ", (r)->file, (r)->line)) 171 #define NAMEBLOCK 1000 172 #define BIGBLOCK 20000 173 174 #define SEP(c) (((c)==' ')||((c)=='\t')||((c)=='\n')) 175 #define WORDCHR(r) ((r) > ' ' && !utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", (r))) 176 177 #define DEBUG(x) (debug&(x)) 178 #define D_PARSE 0x01 179 #define D_GRAPH 0x02 180 #define D_EXEC 0x04 181 182 #define LSEEK(f,o,p) seek(f,o,p) 183 184 #define PERCENT(ch) (((ch) == '%') || ((ch) == '&')) 185 186 #include "fns.h" 187