feat: prototype of AST

1 files changed, 10 insertions, 0 deletions

diff --git a/sys/cmd/cc/lex.c b/sys/cmd/cc/lex.c
index 7a08373..e35ea7e 100644
--- a/sys/cmd/cc/lex.c
+++ b/sys/cmd/cc/lex.c
@@ -636,6 +636,16 @@ Dispatch:
 
         sym = lookup(&lx->sym, tok.val.s);
         if (sym && ((uintptr)sym->name != (uintptr)lx->io->path)) {
+            if ((uintptr)sym == lx->macline) {
+                tok.kind  = Alit | Vint;
+                tok.val.i = lx->pos.line;
+                goto Return;
+            }
+            if ((uintptr)sym == lx->macfile) {
+                tok.kind  = Alit | Vstr; 
+                tok.val.s = lx->pos.path;
+                goto Return;
+            }
             io = makeio(sym->name);
             io->rdr.end   += expandmacro(lx, sym, io->b);
             *io->rdr.end++ = EOF;