diff --git a/include/bf_tokenizer.h b/include/bf_tokenizer.h
index 1d2a31d..22f2f0a 100644
--- a/include/bf_tokenizer.h
+++ b/include/bf_tokenizer.h
@@ -24,20 +24,20 @@ enum class bf_token
     CLOSE
 };
 
-struct token_t
+struct bf_token_t
 {
     bf_token type;
     int64_t offset;
     std::optional<uint64_t> name = {};
     
-    explicit token_t(bf_token type, int64_t offset = 1): type(type), offset(offset)
+    explicit bf_token_t(bf_token type, int64_t offset = 1): type(type), offset(offset)
     {}
 };
 
 class bf_tokenizer
 {
     private:
-        std::vector<token_t> tokens;
+        std::vector<bf_token_t> tokens;
         size_t conditionalCount = 0;
         size_t currentIndex = 0;
         
@@ -50,7 +50,8 @@ class bf_tokenizer
         {
             tokenize(program);
             bf_name();
-            if (hasNext()){
+            if (hasNext())
+            {
                 // skip past comments
                 if (peek().type == bf_token::OPEN)
                     while (hasNext() && peek().type != bf_token::CLOSE)
@@ -58,30 +59,49 @@ class bf_tokenizer
             }
         }
         
-        inline bool hasNext(){
+        inline bool hasNext()
+        {
             return currentIndex < tokens.size();
         }
         
-        inline size_t advance(){
+        inline size_t advance()
+        {
             return currentIndex++;
         }
         
-        inline const token_t& next() {
+        inline const bf_token_t& next()
+        {
             return tokens[advance()];
         }
         
-        inline const token_t& peek(){
+        inline const bf_token_t& peek()
+        {
             return tokens[currentIndex];
         }
         
-        inline std::vector<token_t>& data(){
+        inline std::vector<bf_token_t>& data()
+        {
             return tokens;
         }
         
         void print(size_t index);
-        inline void print(){
+        
+        inline void print()
+        {
             print(currentIndex);
         }
 };
 
+enum ast_token
+{
+    INC_DP, DEC_DP, INC_VAL, DEC_VAL, PRINT, READ, WHILE
+};
+
+struct ast_token_t
+{
+    ast_token type;
+    
+};
+
+
 #endif //BRAINFUCK_MISC_BF_TOKENIZER_H
diff --git a/src/bf_interpreter.cpp b/src/bf_interpreter.cpp
index 2451578..247d512 100644
--- a/src/bf_interpreter.cpp
+++ b/src/bf_interpreter.cpp
@@ -23,7 +23,7 @@ static inline void match(functor f, int sp, size_t& index, const std::string& pr
 }
 
 template<typename functor>
-static inline void match(functor f, int sp, size_t& index, const std::vector<token_t>& program)
+static inline void match(functor f, int sp, size_t& index, const std::vector<bf_token_t>& program)
 {
     while (f(index) < program.size())
     {
@@ -79,22 +79,22 @@ void interpret_bf(const std::string& program)
     }
 }
 
-std::function<void(brainfuck_interpreter& inter, size_t offset, size_t& index, const std::vector<token_t>& tokens)> funcs[8] = {
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) { inter.increment_dp(off); },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) { inter.decrement_dp(off); },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) {
+std::function<void(brainfuck_interpreter& inter, size_t offset, size_t& index, const std::vector<bf_token_t>& tokens)> funcs[8] = {
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) { inter.increment_dp(off); },
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) { inter.decrement_dp(off); },
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) {
             inter.increment(static_cast<int8_t>(off));
         },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) {
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) {
             inter.decrement(static_cast<int8_t>(off));
         },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) { inter.print(std::cout); },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) { inter.read(std::cin); },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) {
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) { inter.print(std::cout); },
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) { inter.read(std::cin); },
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) {
             if (inter.is() == 0)
                 match([](size_t& idx) { return ++idx; }, 1, index, tokens);
         },
-        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<token_t>& tokens) {
+        [](brainfuck_interpreter& inter, size_t off, size_t& index, const std::vector<bf_token_t>& tokens) {
             if (inter.is() != 0)
                 match([](size_t& idx) { return --idx; }, -1, index, tokens);
         },
diff --git a/src/bf_mips_codegen.cpp b/src/bf_mips_codegen.cpp
index 2dd8249..f08fca8 100644
--- a/src/bf_mips_codegen.cpp
+++ b/src/bf_mips_codegen.cpp
@@ -22,7 +22,7 @@ setup:
 bf:
 )";
 
-void process_print(const std::vector<token_t>& tokens, size_t index);
+void process_print(const std::vector<bf_token_t>& tokens, size_t index);
 
 void codegen(bf_tokenizer& tokenizer, std::ostream& out)
 {