feat(rc): keywords now recognized. for and while loop

Prototypes for loops sketched. This required recognizing keywords and
returning from yylex. Debugging/testing will be required.

1 files changed, 25 insertions, 0 deletions

diff --git a/sys/cmd/rc/exec.c b/sys/cmd/rc/exec.c
index fbcfb9b..5f3c6d6 100644
--- a/sys/cmd/rc/exec.c
+++ b/sys/cmd/rc/exec.c
@@ -656,6 +656,31 @@ Xfalse(void)
         runner->code.i = runner->code.exe[runner->code.i].i;
 }
 
+void
+Xgoto(void)
+{
+    runner->code.i = runner->code.exe[runner->code.i].i;
+}
+
+void
+Xfor(void)
+{
+    if(!runner->args->word){
+        poplist();
+        runner->code.i = runner->code.exe[runner->code.i].i;
+    }else{
+        freelist(runner->local->val);
+
+        runner->local->val = runner->args->word;
+        runner->local->new = 1;
+        runner->args->word = runner->args->word->link;
+
+        runner->local->val->link = nil;
+        runner->code.i++;
+    }
+
+}
+
 static
 Word*
 catlist(Word *l, Word *r, Word *tail)