modifying pattern methods to throw exceptions

[blast.git] / AbstractInterface.h

diff --git a/AbstractInterface.h b/AbstractInterface.h
index 78414c36236a33a040736e75b5193c2d8c87cc47..2c914d482883a4e0b3fa450ce3677f73ad56c3ff 100644 (file)
--- a/AbstractInterface.h
+++ b/AbstractInterface.h
@@ -14,6 +14,7 @@ class Exception;
 #define AI_TO_REF(ptr) ((ReferenceInterface*)ptr)
 #define AI_TO_FUN(ptr) ((FunctionalInterface*)ptr)
 #define AI_TO_GRP(ptr) ((GroupInterface*)ptr)
+#define AI_TO_CON(ptr) ((ConnectedInterface*)ptr)
 
 using namespace std;
 using namespace Qt;
@@ -23,18 +24,17 @@ class AbstractInterface {
 
 public :
 
-  enum IfaceWidthType { Expression = 1, Boolean, Natural};
-  enum IfacePurpose { Data = 1, Clock = 2, Reset = 3, Wishbone = 4 };
-  enum IfaceDirection { Input = 1, Output = 2, InOut = 3 };
-  enum IfaceLevel { Basic = 1, Top = 2 };  
-  enum IfaceVHDLContext { Entity = 1, Component = 2, Architecture = 3 }; // NB : 3 is when creating an instance of the block that owns this iface
+  enum IfaceWidthType { Expression = 1, Boolean, Natural, Inherited}; //! Inherited is only for Group interface 
+  enum IfacePurpose { AnyPurpose = 0, Data = 1, Control, Clock, Reset, Wishbone };
+  enum IfaceDirection { AnyDirection = 0, Input = 1, Output = 2, InOut = 3 };  
+  enum IfaceVHDLContext {AnyContext = 0, Entity = 1, Component = 2, Architecture = 3 }; // NB : 3 is when creating an instance of the block that owns this iface
   enum IfaceVHDLFlags { NoComma = 1 };
 
   static int getIntDirection(QString str);
-  static int getIntLevel(QString str);
+  static int getIntPurpose(QString str);
 
   AbstractInterface(AbstractBlock* _owner);
-  AbstractInterface(AbstractBlock* _owner, const QString& _name, const QString& _type, const QString& _width, int _direction, int _purpose, int _level);
+  AbstractInterface(AbstractBlock* _owner, const QString& _name, const QString& _type, const QString& _width, int _direction, int _purpose);
   AbstractInterface(AbstractInterface* other);
   virtual ~AbstractInterface();
 
@@ -46,19 +46,12 @@ public :
   inline int getPurpose() { return purpose;}
   QString getPurposeString();
   inline int getDirection() { return direction;}
-  QString getDirectionString();
-  inline int getLevel() { return level;}
-  QString getLevelString();
+  QString getDirectionString();  
   inline AbstractBlock *getOwner() { return owner;}
+  inline AbstractInterface* getAssociatedIface() { return associatedIface; }
 
   double getDoubleWidth() throw(QException);
-
-  //virtual QList<AbstractInterface*> getConnectedTo() = 0;
-
-  /* NB: only GroupInterface and FunctionalInterface have a connectedFrom, so
-     defining getConnectedFrom as pure virtual is normal, usefull even though it is ugly :-)
-   */
-  virtual AbstractInterface* getConnectedFrom() = 0;
+  
 
   // setters
   inline void setOwner(AbstractBlock* _owner) { owner = _owner; }
@@ -68,26 +61,16 @@ public :
   inline void setType(const QString& _type) { type = typeFromString(_type);}
   void setPurpose(int _purpose);
   void setDirection(int _direction);
-  void setLevel(int _level);
-
+  bool setAssociatedIface(AbstractInterface* iface);
+  
   // testers
   virtual bool isReferenceInterface();
   virtual bool isFunctionalInterface();
   virtual bool isGroupInterface();
-  //virtual bool isConnectedTo() = 0;
-  //virtual bool isConnectedFrom() = 0;
-  //virtual bool canConnectTo(AbstractInterface* iface) = 0; // returns yes if this can be connected to iface, no if not
-  //virtual bool canConnectFrom(AbstractInterface* iface) = 0; // returns yes if this can be connected from iface, no if not
 
   // others
   virtual AbstractInterface *clone() = 0;
-
-  //virtual bool addConnectedTo(AbstractInterface *inter) = 0;
-  //virtual void removeConnectedTo(AbstractInterface *inter) = 0;
-  //virtual bool setConnectedFrom(AbstractInterface* inter) = 0;
-  //virtual void clearConnectedTo() = 0;
-  //virtual void clearConnections() = 0;
-  //virtual void connectionsValidation(QStack<AbstractInterface*> *interfacetoValidate, QList<AbstractInterface*> *validatedInterfaces) throw(Exception) = 0;
+  
   int typeFromString(const QString &_type);
 
   QString toVHDL(int context, int flags) throw(Exception);
@@ -98,9 +81,19 @@ protected:
   QString width;
   int purpose;
   int direction;
-  int level;
 
   AbstractBlock* owner;
+  /*!
+   * \brief associatedIface the control (resp. data) interface that is bounded to this data (resp. control) interface
+   * If a reference block is designed to be fully integrated in Blast, nearly every data interface is bounded
+   * to a control interface that signals if the value presented on the interface is valid or not. associatedIface
+   * references this control interface if this is a data interface, and a data interface is this is a control interface.
+   * Note that the association is done by the call of setAssociatedIface() that must be done only for a control interface.
+   * (NB: a test is done in the method to prevent the other case).
+   */
+  AbstractInterface* associatedIface;
+  
+  
 };