1 files changed, 13 insertions, 14 deletions
diff --git a/lex.h b/lex.h
index db4d713..ba2a666 100644
--- a/lex.h
+++ b/lex.h
@@ -1,7 +1,7 @@
 #include "typeutils.h"
 
 
-typedef struct Region Region;
+typedef struct ExpansionRegion ExpansionRegion;
 
 
 typedef enum {
@@ -10,24 +10,19 @@ typedef enum {
     DOUBLE_Q,
 } QuotationMode;
 
-
 typedef enum {
     LITERAL,
-    CMD_SUB,
-    ARITHM,
+    REGION_EXP,
     VAR_EXP,    // TODO: Later include other exps
 } ChunkKind;
 
-
 typedef struct {
     ChunkKind kind;
-    QuotationMode mode;
-
+    QuotationMode qmode;
     union {
-        char* lit_str;
-        Region* sub_cmd_region;
-        Region* arithm_expr_region;
-        char* param_string;
+        char* literal_str;
+        ExpansionRegion* reg_ptr;
+        char* varname;
     } as;
 } Chunk;
 
@@ -61,12 +56,16 @@ DECLARE_VEC(Token, TokenVec)
 
 DECLARE_MAYBE(SpecialToken)  
 
+typedef enum {
+    CMD_SUB,
+    ARITHM,
+} RegionMode;
 
-struct Region {
-    QuotationMode mode;
+struct ExpansionRegion {
+    RegionMode mode;
     TokenVec tokens; 
 };
 
 DECLARE_MAYBE(Chunk);
 
-DECLARE_VEC(Region, RegionVec)
+DECLARE_VEC(ExpansionRegion, ExpansionRegionVec)