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-rw-r--r--src/cmd/mk/arc.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/cmd/mk/arc.c b/src/cmd/mk/arc.c
new file mode 100644
index 00000000..521ef7a7
--- /dev/null
+++ b/src/cmd/mk/arc.c
@@ -0,0 +1,52 @@
+#include "mk.h"
+
+Arc *
+newarc(Node *n, Rule *r, char *stem, Resub *match)
+{
+ Arc *a;
+
+ a = (Arc *)Malloc(sizeof(Arc));
+ a->n = n;
+ a->r = r;
+ a->stem = strdup(stem);
+ rcopy(a->match, match, NREGEXP);
+ a->next = 0;
+ a->flag = 0;
+ a->prog = r->prog;
+ return(a);
+}
+
+void
+dumpa(char *s, Arc *a)
+{
+ char buf[1024];
+
+ Bprint(&bout, "%sArc@%p: n=%p r=%p flag=0x%x stem='%s'",
+ s, a, a->n, a->r, a->flag, a->stem);
+ if(a->prog)
+ Bprint(&bout, " prog='%s'", a->prog);
+ Bprint(&bout, "\n");
+
+ if(a->n){
+ snprint(buf, sizeof(buf), "%s ", (*s == ' ')? s:"");
+ dumpn(buf, a->n);
+ }
+}
+
+void
+nrep(void)
+{
+ Symtab *sym;
+ Word *w;
+
+ sym = symlook("NREP", S_VAR, 0);
+ if(sym){
+ w = (Word *) sym->value;
+ if (w && w->s && *w->s)
+ nreps = atoi(w->s);
+ }
+ if(nreps < 1)
+ nreps = 1;
+ if(DEBUG(D_GRAPH))
+ Bprint(&bout, "nreps = %d\n", nreps);
+}