xavax::TypeDescriptor

Xavax C++ Library

Class xavax::TypeDescriptor

TypeDescriptor stores the metadata that describes a type. The metadata is used to implement type casting and introspection, and to assist in debugging.

Constructor Summary

TypeDescriptor(...)
Construct a TypeDescriptor object.

Operator Summary

const MemberDescriptor& operator[](size_t n)
Return the nth member descriptor.

Method Summary

size_t size() const
         Return the size of an instance of this type.

size_t count() const
         Return the number of member descriptors.

const char* name() const
         Return the basic type name.

Type type() const
         Return the basic type.

Related Classes

MemberDescriptor, Type, TypeQualifier.

Macros

TypeDescriptor

TypeDescriptor(name, type)

Defines a TypeDescriptor for a type using the standard naming convention. For example, for the class Shape, this macro assumes the existance of an array of member descriptors named ShapeMembers and creates a type descriptor named ShapeTypeDescriptor.

Parameters:: name - the type name.; type - the basic type (see Type).

Constructor Detail

TypeDescriptor

TypeDescriptor(const char* name,
Type type, size_t size,
size_t nmem, const MemberDescriptor* members)

Construct a TypeDescriptor object.

Parameters:: name - the type name.; type - the basic type (see Type).; size - the instance size.; nmem - the number of member descriptors.; members - the member descriptors.

Operator Detail

operator[]

const MemberDescriptor& operator[](size_t n)

Return the nth element of the array of member descriptors.

Parameters:: n - the index into the member descriptor array.

Method Detail

size

size_t size() const

Return the size of an instance of this type.

Returns:: the instance size.

count

size_t count() const

Return the number of elements in the array of member descriptors.

Returns:: the number of member descriptors.

name

const char*name() const

Return the type name.

Returns:: the basic type name.

type

Type type() const

Return the basic type (see Type).

Returns:: the basic type.

Example Code

Operator Summary
`const MemberDescriptor&`	`operator[](size_t n)` Return the nth member descriptor.

Method Summary
`size_t`	`size() const` Return the size of an instance of this type.
`size_t`	`count() const` Return the number of member descriptors.
`const char*`	`name() const` Return the basic type name.
`Type`	`type() const` Return the basic type.