mirror of
https://github.com/9fans/plan9port.git
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9aa1c92f74
syntax will change.
182 lines
4.1 KiB
C
182 lines
4.1 KiB
C
#include "sys.h"
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#undef assert
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#define assert mkassert
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extern Biobuf bout;
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typedef struct Bufblock
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{
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struct Bufblock *next;
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char *start;
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char *end;
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char *current;
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} Bufblock;
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typedef struct Word
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{
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char *s;
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struct Word *next;
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} Word;
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typedef struct Envy
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{
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char *name;
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Word *values;
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} Envy;
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extern Envy *envy;
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typedef struct Shell
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{
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char *name;
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char *termchars; /* used in parse.c to isolate assignment attribute */
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int iws; /* inter-word separator in environment */
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char *(*charin)(char*, char*); /* search for unescaped characters */
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char *(*expandquote)(char*, Rune, Bufblock*); /* extract escaped token */
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int (*escapetoken)(Biobuf*, Bufblock*, int, int); /* input escaped token */
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char *(*copyq)(char*, Rune, Bufblock*); /* check for quoted strings */
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int (*matchname)(char*); /* does name match */
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} Shell;
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typedef struct Rule
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{
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char *target; /* one target */
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Word *tail; /* constituents of targets */
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char *recipe; /* do it ! */
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short attr; /* attributes */
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short line; /* source line */
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char *file; /* source file */
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Word *alltargets; /* all the targets */
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int rule; /* rule number */
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Reprog *pat; /* reg exp goo */
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char *prog; /* to use in out of date */
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struct Rule *chain; /* hashed per target */
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struct Rule *next;
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Shell *shellt; /* shell to use with this rule */
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Word *shellcmd;
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} Rule;
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extern Rule *rules, *metarules, *patrule;
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/* Rule.attr */
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#define META 0x0001
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#define UNUSED 0x0002
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#define UPD 0x0004
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#define QUIET 0x0008
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#define VIR 0x0010
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#define REGEXP 0x0020
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#define NOREC 0x0040
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#define DEL 0x0080
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#define NOVIRT 0x0100
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#define NREGEXP 10
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typedef struct Arc
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{
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short flag;
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struct Node *n;
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Rule *r;
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char *stem;
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char *prog;
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char *match[NREGEXP];
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struct Arc *next;
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} Arc;
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/* Arc.flag */
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#define TOGO 1
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typedef struct Node
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{
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char *name;
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long time;
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unsigned short flags;
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Arc *prereqs;
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struct Node *next; /* list for a rule */
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} Node;
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/* Node.flags */
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#define VIRTUAL 0x0001
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#define CYCLE 0x0002
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#define READY 0x0004
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#define CANPRETEND 0x0008
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#define PRETENDING 0x0010
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#define NOTMADE 0x0020
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#define BEINGMADE 0x0040
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#define MADE 0x0080
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#define MADESET(n,m) n->flags = (n->flags&~(NOTMADE|BEINGMADE|MADE))|(m)
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#define PROBABLE 0x0100
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#define VACUOUS 0x0200
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#define NORECIPE 0x0400
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#define DELETE 0x0800
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#define NOMINUSE 0x1000
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typedef struct Job
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{
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Rule *r; /* master rule for job */
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Node *n; /* list of node targets */
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char *stem;
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char **match;
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Word *p; /* prerequistes */
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Word *np; /* new prerequistes */
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Word *t; /* targets */
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Word *at; /* all targets */
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int nproc; /* slot number */
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struct Job *next;
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} Job;
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extern Job *jobs;
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typedef struct Symtab
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{
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short space;
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char *name;
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void *value;
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struct Symtab *next;
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} Symtab;
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enum {
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S_VAR, /* variable -> value */
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S_TARGET, /* target -> rule */
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S_TIME, /* file -> time */
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S_PID, /* pid -> products */
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S_NODE, /* target name -> node */
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S_AGG, /* aggregate -> time */
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S_BITCH, /* bitched about aggregate not there */
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S_NOEXPORT, /* var -> noexport */
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S_OVERRIDE, /* can't override */
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S_OUTOFDATE, /* n1\377n2 -> 2(outofdate) or 1(not outofdate) */
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S_MAKEFILE, /* target -> node */
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S_MAKEVAR, /* dumpable mk variable */
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S_EXPORTED, /* var -> current exported value */
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S_WESET, /* variable; we set in the mkfile */
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S_INTERNAL /* an internal mk variable (e.g., stem, target) */
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};
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extern int debug;
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extern int nflag, tflag, iflag, kflag, aflag, mflag;
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extern int mkinline;
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extern char *infile;
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extern int nreps;
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extern char *explain;
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extern Shell *shellt;
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extern Word *shellcmd;
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extern Shell shshell, rcshell;
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#define SYNERR(l) (fprint(2, "mk: %s:%d: syntax error; ", infile, ((l)>=0)?(l):mkinline))
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#define RERR(r) (fprint(2, "mk: %s:%d: rule error; ", (r)->file, (r)->line))
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#define NAMEBLOCK 1000
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#define BIGBLOCK 20000
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#define SEP(c) (((c)==' ')||((c)=='\t')||((c)=='\n'))
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#define WORDCHR(r) ((r) > ' ' && !utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", (r)))
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#define DEBUG(x) (debug&(x))
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#define D_PARSE 0x01
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#define D_GRAPH 0x02
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#define D_EXEC 0x04
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#define LSEEK(f,o,p) seek(f,o,p)
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#define PERCENT(ch) (((ch) == '%') || ((ch) == '&'))
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#include "fns.h"
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