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-- File: Standard_Type.cdl
-- Created: Fri Sep 6 09:38:56 1991
-- Author: jean pierre TIRAULT
-- <jpt@topsn1>
---Copyright: Matra Datavision 1991
class Type from Standard
---Purpose:
-- The class <Type> provides services to find out information
-- about a type defined in CDL.
--
-- Note that multiple inheritance is not supported by the moment;
-- the array of ancestors accepted by constructors is assumed to
-- represent hierarchy of ancestors up to the root.
-- However, only first element is actually used by SubType method,
-- higher level ancestors are requested recursively.
--
-- Warning:
-- The information given by <Type> is about the type from which
-- it is created and not about the <Type> itself.
--
inherits
Transient from Standard
uses
Boolean from Standard,
Integer from Standard,
CString from Standard,
KindOfType from Standard,
AncestorIterator from Standard
raises
TypeMismatch from Standard,
NoSuchObject from Standard,
OutOfRange from Standard
is
---------------------------------------------------------------------
---Category: The general information about a type.
---------------------------------------------------------------------
Name(me) returns CString;
---Purpose:
-- Returns the type name of <me>.
---Level: Advanced
Size(me) returns Integer;
---Purpose:
-- Returns the size of <me> in bytes.
---Level: Advanced
---------------------------------------------------------------------
---Category: The Constructor of Type
---------------------------------------------------------------------
Create(aName : CString;
aSize : Integer)
---Purpose:
-- The constructor for a imported type.
---Level: Advanced
returns mutable Type;
Create(aName : CString;
aSize : Integer;
aNumberOfParent : Integer;
aAncestors : Address)
---Purpose:
-- The constructor for a primitive.
---Level: Advanced
returns mutable Type;
Create(aName : CString;
aSize : Integer;
aNumberOfElement: Integer;
aNumberOfParent : Integer;
anAncestors : Address;
aElements : Address)
---Purpose:
-- The constructor for an enumeration.
---Level: Advanced
returns mutable Type;
Create(aName : CString;
aSize : Integer;
aNumberOfParent : Integer;
anAncestors : Address;
aFields : Address)
---Purpose:
-- The constructor for a class.
---Level: Advanced
returns mutable Type;
---------------------------------------------------------------------
---Category: Comparison between types
---------------------------------------------------------------------
SubType(me; aOther: Type) returns Boolean;
---Purpose:
-- Returns "True", if <me> is the same as <aOther>,
-- or inherits from <aOther>.
-- Note that multiple inheritance is not supported.
---Level: Advanced
SubType(me; theName: CString) returns Boolean;
---Purpose:
-- Returns "True", if <me> or one of its ancestors has the name
-- equal to theName.
-- Note that multiple inheritance is not supported.
---Level: Advanced
---------------------------------------------------------------------
---Category: Information about nature of the type.
---------------------------------------------------------------------
IsImported(me) returns Boolean;
---Purpose:
-- Returns "True", if the type is imported.
---Level: Advanced
IsPrimitive(me) returns Boolean;
---Purpose:
-- Returns "True", if the type is a primitive.
---Level: Advanced
IsEnumeration(me) returns Boolean;
---Purpose:
-- Returns "True", if the type is an "Enumeration".
---Level: Advanced
IsClass(me) returns Boolean;
---Purpose:
-- Returns "True", if the type is a "Class".
---Level: Advanced
---------------------------------------------------------------------
---Category: The information about the ancestors of a type.
---------------------------------------------------------------------
NumberOfParent(me) returns Integer;
---Purpose:
-- Returns the number of direct parents of the class.
--
---Level: Advanced
NumberOfAncestor(me) returns Integer;
---Purpose:
-- Returns the number of ancestors of the class.
--
---Level: Advanced
Ancestors(me) returns Address is private;
---Purpose:
-- Returns the address of the ancestors array. It can be used only by
-- AncestorIterator.
---Level: Advanced
ShallowDump (me);
---Purpose:
-- Prints the Information about type.
---C++: function call
---Level: Advanced
ShallowDump (me; S: in out OStream);
---Purpose:
-- Prints the Information about type.
---C++: function call
---Level: Advanced
Print (me; s: in out OStream);
---Purpose:
-- Prints on the stream <s> the name of Type.
-- Warning:
-- The operator "OStream& operator<< (Standard_OStream&,
-- Handle(Standard_Type)&)"
-- is implemented. (This operator uses the method Print)
--
---Level: Advanced
---C++: alias "Standard_EXPORT void operator<<(Standard_OStream& s) const { Print(s); } "
InLineDummy(me) is static private;
---Purpose:
-- Just for inline.
--
---Level: Advanced
---C++: inline
fields
myName : CString;
mySize : Integer;
myKind : KindOfType;
myNumberOfParent : Integer;
myNumberOfAncestor : Integer;
myAncestors : Address;
friends
class AncestorIterator from Standard
end Type from Standard;
|
