diff --git a/kerep b/kerep
index d9b0daf..3c132e1 160000
--- a/kerep
+++ b/kerep
@@ -1 +1 @@
-Subproject commit d9b0daf543a6df2860074087b7a970feb8540e15
+Subproject commit 3c132e12ea67c9b9c599153a2117e8fd7573d15e
diff --git a/src/cb2c/main.c b/src/cb2c/main.c
index 1b979b3..cc4bf15 100644
--- a/src/cb2c/main.c
+++ b/src/cb2c/main.c
@@ -1,6 +1,12 @@
 #include "cb2c.h"
 
 int main(){
+    // kerep type system
+    ktDescriptors_beginInit();
+    ktDescriptors_initKerepTypes();
+    ktDescriptors_initCbLexerTypes();
+    ktDescriptors_endInit();
+    // keywords search tree
     init_keywordsSearchTree();
     printf("keywordsSearchTree: %p\n", keywordsSearchTree);
     STNode_free(keywordsSearchTree);
diff --git a/src/lexer/init.c b/src/lexer/init.c
new file mode 100644
index 0000000..8b00e3a
--- /dev/null
+++ b/src/lexer/init.c
@@ -0,0 +1,8 @@
+#include "lexer.h"
+
+void ktDescriptors_initCbLexerTypes(){
+    kt_register(Token, ktId_Token, NULL, NULL);
+    kt_register(Token*, ktId_TokenPtr, NULL, NULL);
+    kt_register(Autoarr_Token, ktId_AutoarrToken, ____Autoarr_free_Token, NULL);
+    kt_register(Autoarr_Token*, ktId_AutoarrTokenPtr, ____Autoarr_free_Token, NULL);
+}
\ No newline at end of file
diff --git a/src/lexer/lexer.c b/src/lexer/lexer.c
index 07d5f71..36764e2 100644
--- a/src/lexer/lexer.c
+++ b/src/lexer/lexer.c
@@ -46,9 +46,9 @@ void _addTok_ifnext(char next, TokenId yes, TokenId no, SharedLexerData* sld){
 // adds <label> to <tokens> as tok_label or tok_number
 void _tryAddLabel(SharedLexerData* sld){
     if(label.length==0) return;
-    Unitype fake_uni=ST_pullString(keywordsSearchTree,label);
-    if(fake_uni.VoidPtr!=NULL) // built-in keyword
-        Autoarr_add(tokens, *(Token*)(void*)&fake_uni);
+    Unitype uni=ST_pullString(keywordsSearchTree,label);
+    if(uni.VoidPtr!=NULL) // built-in keyword
+        Autoarr_add(tokens, *(Token*)uni.VoidPtr);
     else {          // user-defined label
         Token ut;
         ut.value=string_extract(label);
@@ -80,7 +80,7 @@ Maybe _readString(char quotChar, SharedLexerData* sld){
             else { // "
                 string str={srcFirst, source-srcFirst+1};
                 char* extracted=string_extract(str);
-                return SUCCESS(UniPtr(CharPtr, extracted));
+                return SUCCESS(UniHeap(ktId_CharPtr, extracted));
             }
         } 
         else prevIsBackslash= c=='\\' && !prevIsBackslash;
@@ -255,7 +255,7 @@ Maybe _lexan(SharedLexerData* sld){
             break;
     }
     
-    return SUCCESS(UniPtr(AutoarrTokenPtr,tokens));
+    return SUCCESS(UniHeap(ktId_AutoarrTokenPtr,tokens));
 }
 
 
diff --git a/src/lexer/lexer.h b/src/lexer/lexer.h
index 9ab462f..aa55887 100644
--- a/src/lexer/lexer.h
+++ b/src/lexer/lexer.h
@@ -2,7 +2,8 @@
 
 #include "tokens.h"
 #include "context.h"
-#include "my_type_ext.h"
 
 //Autoarr(Token)*
 Maybe lexan(char* source, char* filename);
+
+void ktDescriptors_initCbLexerTypes();
\ No newline at end of file
diff --git a/src/lexer/my_type_ext.h b/src/lexer/my_type_ext.h
deleted file mode 100644
index 792d41e..0000000
--- a/src/lexer/my_type_ext.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#pragma once
-
-#include "../../../kerep/src/base/base.h"
-
-
-typedef enum lexer_type{
-    TokenPtr=my_type_last+1, 
-    AutoarrTokenPtr
-} lexer_type;
\ No newline at end of file
diff --git a/src/lexer/tokens.c b/src/lexer/tokens.c
index ef7820f..e282466 100644
--- a/src/lexer/tokens.c
+++ b/src/lexer/tokens.c
@@ -1,6 +1,11 @@
 #include "tokens.h"
 
+ktId_define(ktId_Token);
+ktId_define(ktId_TokenPtr);
+
 Autoarr_define(Token)
+ktId_define(ktId_AutoarrToken);
+ktId_define(ktId_AutoarrTokenPtr);
 
 
 STNode* keywordsSearchTree=NULL;
@@ -8,7 +13,7 @@ void init_keywordsSearchTree(){
     keywordsSearchTree=STNode_create();
     for(TokenId keywordId=0; keywordId<=tok_typeof; keywordId++){
         const Token* keywordptr=&default_tokens[keywordId];
-        Unitype uni=UniPtr(Int64, keywordptr);
+        Unitype uni=UniStack(ktId_TokenPtr, keywordptr);
         ST_push(keywordsSearchTree, keywordptr->value, uni);
     }
 }
diff --git a/src/lexer/tokens.h b/src/lexer/tokens.h
index c61f384..8930b15 100644
--- a/src/lexer/tokens.h
+++ b/src/lexer/tokens.h
@@ -2,7 +2,6 @@
 
 #include "../../../kerep/src/Autoarr/Autoarr.h"
 #include "../../../kerep/src/SearchTree/SearchTree.h"
-#include "my_type_ext.h"
 
 typedef enum TokenId{
     // base types
@@ -104,6 +103,12 @@ typedef struct Token{
     char* value;
     TokenId id;
 } Token;
+ktId_declare(ktId_Token);
+ktId_declare(ktId_TokenPtr);
+
+Autoarr_declare(Token)
+ktId_declare(ktId_AutoarrToken);
+ktId_declare(ktId_AutoarrTokenPtr);
 
 extern STNode* keywordsSearchTree;
 // dont forget to free it
@@ -199,5 +204,3 @@ static const Token default_tokens[]={
     {"$", tok_dollar},
     {"@", tok_at}
 };
-
-Autoarr_declare(Token)
diff --git a/tasks/pre_build.sh b/tasks/pre_build.sh
index c116b74..e13c98b 100644
--- a/tasks/pre_build.sh
+++ b/tasks/pre_build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 cd kerep
-make $KEREP_BUILD_TARGET
+make $KEREP_BUILD_TASK
 cp bin/kerep.a ../obj/
 printf "${GREEN}copied ${CYAN}kerep.a\n"
 cd ..
\ No newline at end of file