WIP sym + cgen

1 files changed, 12 insertions, 3 deletions

diff --git a/src/prc1/push.c b/src/prc1/push.c
index 1a9056d..2354305 100644
--- a/src/prc1/push.c
+++ b/src/prc1/push.c
@@ -1,10 +1,11 @@
 #include "prv.h"
+#include "dbg.h"
 #include <stdlib.h>
 
 int push(const struct pos *pos, struct prv *p)
 {
     size_t n = p->n + 1;
-    struct pos *npos = realloc(p->pos, n * sizeof *npos);
+    struct pos *npos = realloc(p->pos, n * sizeof *npos), *pp;
 
     if (!npos)
     {
@@ -15,13 +16,21 @@ int push(const struct pos *pos, struct prv *p)
     {
         struct pos *prev = &npos[p->n - 1];
 
-        prev->end = prev->seq->end;
         prev->seq = prev->stseq;
         prev->step = prev->seq->steps;
         p->i++;
     }
 
-    npos[p->n++] = *pos;
+    ddbg("push rule %s [%zu]", pos->name, p->n);
+
+    if (pos->end)
+        ddbg(", end=%p", pos->end);
+
+    ddbg("\n");
+    pp = &npos[p->n++];
+    *pp = *pos;
+    pp->stseq = pp->seq;
+    pp->step = pp->seq->steps;
     p->pos = npos;
     return 0;
 }