1 files changed, 21 insertions, 17 deletions

diff --git a/LuaSL/src/LuaSL_LSL_tree.h b/LuaSL/src/LuaSL_LSL_tree.h
index 6d89672..71d372e 100644
--- a/LuaSL/src/LuaSL_LSL_tree.h
+++ b/LuaSL/src/LuaSL_LSL_tree.h
@@ -3,7 +3,7 @@
  */
 #ifndef __EXPRESSION_H__
 #define __EXPRESSION_H__
- 
+
 /**
  * @brief The operation type
  */
@@ -12,27 +12,27 @@ typedef enum tagEOperationType
     eVALUE,
     eMULTIPLY,
     ePLUS
-}EOperationType;
- 
+} EOperationType;
+
 /**
  * @brief The expression structure
  */
 typedef struct tagSExpression
 {
-        EOperationType type;///< type of operation
- 
-        int value;///< valid only when type is eVALUE
-        struct tagSExpression* left; ///< left side of the tree
-        struct tagSExpression* right;///< right side of the tree
-}SExpression;
- 
+    EOperationType type;///< type of operation
+
+    int value;///< valid only when type is eVALUE
+    struct tagSExpression* left; ///< left side of the tree
+    struct tagSExpression* right;///< right side of the tree
+} SExpression;
+
 /**
  * @brief It creates an identifier
  * @param value The number value
  * @return The expression or NULL in case of no memory
  */
 SExpression* createNumber(int value);
- 
+
 /**
  * @brief It creates an operation
  * @param type The operation type
@@ -40,16 +40,20 @@ SExpression* createNumber(int value);
  * @param right The right operand
  * @return The expression or NULL in case of no memory
  */
-SExpression* createOperation(
-                        EOperationType type,
-                        SExpression *left,
-                        SExpression *right);
- 
+SExpression* createOperation(EOperationType type, SExpression *left, SExpression *right);
+
 /**
  * @brief Deletes a expression
  * @param b The expression
  */
 void deleteExpression(SExpression *b);
- 
+
+SExpression *getAST(const char *expr);
+
+int evaluate(SExpression *e);
+
+int yyerror(const char *msg);
+int yyparse(void *param);
+
 #endif // __EXPRESSION_H__