proper lexical scoping now woo

include/wolflisp.h

@@ -176,16 +176,20 @@ enum {
   OP_GET_LOCAL,
   OP_SET_LOCAL,
   OP_RESERVE,
+  OP_DUP,
 };
 
 // Local variable info
 typedef struct Lv {
   O name;
   U16 index;
+  I escapes;
 } Lv;
 
 // Compiler context
-typedef struct Cm {
+typedef struct Cm Cm;
+struct Cm {
+  Cm *parent;
   In *in;
   U8 *code;
   Z count;
@@ -202,6 +206,8 @@ typedef struct Cm {
     O mac;
     O progn;
     O def;
+    O and;
+    O or;
   } specials;
   struct {
     Lv *data;
@@ -209,7 +215,7 @@ typedef struct Cm {
     Z capacity;
   } locals;
   I use_locals;
-} Cm;
+};
 
 enum {
   TOK_EOF = 0,