5 files changed, 36 insertions, 28 deletions
diff --git a/TODO.rst b/TODO.rst
index b403d33..1befc72 100644
--- a/TODO.rst
+++ b/TODO.rst
@@ -1,7 +1,11 @@
-- OPT:Special Opt Repr 
-- OPT:Special Arg Checking
-- Garbage Collection
-- Testing
-- Rounding support
-- ext_repr optimization 
-- Add macro support
+- Documents and comment
+
+  - model
+  - eval
+  - builtin
+  - gc
+  - types
+  - consts
+  - parser
+  - exc
+  - main
diff --git a/model.cpp b/model.cpp
index ba664a8..a56e530 100644
--- a/model.cpp
+++ b/model.cpp
@@ -24,7 +24,7 @@ bool FrameObj::is_parse_bracket() {
 }
 
 EvalObj::EvalObj(int _otype) : 
-    FrameObj(CLS_EVAL_OBJ), otype(_otype) {
+FrameObj(CLS_EVAL_OBJ), otype(_otype) {
     gc_obj = gc.join(this);
 }
 
@@ -139,5 +139,15 @@ string EvalObj::ext_repr() {
     return res;
 }
 
+ParseBracket::ParseBracket(unsigned char _btype) :
+FrameObj(CLS_SIM_OBJ | CLS_PAR_BRA), btype(_btype) {}
+
+UnspecObj::UnspecObj() : EvalObj(CLS_SIM_OBJ) {}
+
+ReprCons *UnspecObj::get_repr_cons() {
+    return new ReprStr("#<Unspecified>");
+}
+
+
 Container::Container(int otype, bool override) : 
-    EvalObj(otype | (override ? 0 : CLS_CONTAINER)) {}
+EvalObj(otype | (override ? 0 : CLS_CONTAINER)) {}
diff --git a/model.h b/model.h
index fd88f7d..66c16f9 100644
--- a/model.h
+++ b/model.h
@@ -103,14 +103,25 @@ class EvalObj : public FrameObj {
         virtual ReprCons *get_repr_cons() = 0;
 };
 
+/** @class ParseBracket
+ * To indiate a left bracket when parsing, used in the parse_stack
+ */
+class ParseBracket : public FrameObj {/*{{{*/
+    public:
+        unsigned char btype;            /**< The type of the bracket */
+        /** Construct a ParseBracket object */
+        ParseBracket(unsigned char btype);
+};/*}}}*/
+
+
 typedef std::set<EvalObj*> EvalObjSet;
-class Container: public EvalObj {
+class Container: public EvalObj {/*{{{*/
     public:
     bool keep;
     size_t gc_refs;
     Container(int otype = 0, bool override = false);
     virtual void gc_decrement() = 0;
     virtual void gc_trigger(EvalObj ** &tail, EvalObjSet &visited) = 0;
-};
+};/*}}}*/
 
 #endif
diff --git a/types.cpp b/types.cpp
index b583061..0cfe0be 100644
--- a/types.cpp
+++ b/types.cpp
@@ -41,14 +41,6 @@ ReprCons *Pair::get_repr_cons() {
     return new PairReprCons(this, this);
 }
 
-ParseBracket::ParseBracket(unsigned char _btype) :
-    FrameObj(CLS_SIM_OBJ | CLS_PAR_BRA), btype(_btype) {}
-
-    UnspecObj::UnspecObj() : EvalObj(CLS_SIM_OBJ) {}
-
-    ReprCons *UnspecObj::get_repr_cons() {
-        return new ReprStr("#<Unspecified>");
-    }
 
 SymObj::SymObj(const string &str) :
     EvalObj(CLS_SIM_OBJ | CLS_SYM_OBJ), val(str) {}
diff --git a/types.h b/types.h
index e90e7bb..345e17b 100644
--- a/types.h
+++ b/types.h
@@ -100,15 +100,6 @@ class VectReprCons : public ReprCons {/*{{{*/
         EvalObj *next(const string &prev);
 };/*}}}*/
 
-/** @class ParseBracket
- * To indiate a left bracket when parsing, used in the parse_stack
- */
-class ParseBracket : public FrameObj {/*{{{*/
-    public:
-        unsigned char btype;            /**< The type of the bracket */
-        /** Construct a ParseBracket object */
-        ParseBracket(unsigned char btype);
-};/*}}}*/
 
 /** @class UnspecObj
  * The "unspecified" value returned by some builtin procedures