Quick start manual

vi
Exceptions and runtime
errors in libraries . . . . . . . . . . . . . . . 9-9
Shared-memory manager
(Windows only) . . . . . . . . . . . . . . . . 9-9
Packages . . . . . . . . . . . . . . . . . . . . . .9-10
Package declarations and source files . . . . 9-10
Naming packages. . . . . . . . . . . . . . 9-11
The requires clause . . . . . . . . . . . . .9-12
The contains clause . . . . . . . . . . . . .9-12
Compiling packages . . . . . . . . . . . . . . 9-13
Generated files . . . . . . . . . . . . . . . 9-13
Package-specific compiler
directives. . . . . . . . . . . . . . . . . .9-13
Package-specific command-line
compiler switches . . . . . . . . . . . . .9-14
Chapter 10
Object interfaces 10-1
Interface types . . . . . . . . . . . . . . . . . . .10-1
IInterface and inheritance . . . . . . . . . . .10-2
Interface identification . . . . . . . . . . . . .10-3
Calling conventions for interfaces . . . . . . 10-3
Interface properties. . . . . . . . . . . . . . .10-4
Forward declarations . . . . . . . . . . . . .10-4
Implementing interfaces . . . . . . . . . . . . .10-4
Method resolution clauses. . . . . . . . . . .10-5
Changing inherited implementations . . . . 10-6
Implementing interfaces by delegation . . .10-7
Delegating to an
interface-type property. . . . . . . . . . 10-7
Delegating to a class-type property. . . .10-8
Interface references . . . . . . . . . . . . . . . . 10-9
Interface assignment-compatibility. . . . . 10-10
Interface typecasts . . . . . . . . . . . . . . 10-10
Interface querying . . . . . . . . . . . . 10-10
Automation objects (Windows only) . . . . . 10-11
Dispatch interface types
(Windows only) . . . . . . . . . . . . . . . 10-11
Dispatch interface methods
(Windows only) . . . . . . . . . . . . . 10-11
Dispatch interface properties . . . . . . 10-12
Accessing Automation objects
(Windows only) . . . . . . . . . . . . . . . 10-12
Automation object
method-call syntax . . . . . . . . . . . 10-12
Dual interfaces (Windows only) . . . . . . 10-13
Chapter 11
Memory management 11-1
The memory manager (Windows only) . . . . 11-1
Variables . . . . . . . . . . . . . . . . . . . . 11-2
Internal data formats . . . . . . . . . . . . . . . 11-3
Integer types . . . . . . . . . . . . . . . . . . 11-3
Character types . . . . . . . . . . . . . . . . 11-3
Boolean types . . . . . . . . . . . . . . . . . 11-3
Enumerated types . . . . . . . . . . . . . . . 11-3
Real types . . . . . . . . . . . . . . . . . . . 11-4
The Real48 type . . . . . . . . . . . . . . 11-4
The Single type. . . . . . . . . . . . . . . 11-4
The Double type . . . . . . . . . . . . . . 11-5
The Extended type. . . . . . . . . . . . . 11-5
The Comp type. . . . . . . . . . . . . . . 11-5
The Currency type . . . . . . . . . . . . . 11-5
Pointer types . . . . . . . . . . . . . . . . . . 11-5
Short string types . . . . . . . . . . . . . . . 11-5
Long string types . . . . . . . . . . . . . . . 11-6
Wide string types (Windows) . . . . . . . . 11-6
Set types . . . . . . . . . . . . . . . . . . . . 11-7
Static array types . . . . . . . . . . . . . . . 11-7
Dynamic array types . . . . . . . . . . . . . 11-7
Record types . . . . . . . . . . . . . . . . . . 11-8
File types . . . . . . . . . . . . . . . . . . . . 11-9
Procedural types. . . . . . . . . . . . . . . .11-10
Class types . . . . . . . . . . . . . . . . . . .11-10
Class reference types . . . . . . . . . . . . .11-11
Variant types . . . . . . . . . . . . . . . . . .11-12
Chapter 12
Program control 12-1
Parameters and function results. . . . . . . . . 12-1
Parameter passing. . . . . . . . . . . . . . . 12-1
Register saving conventions . . . . . . . 12-3
Function results . . . . . . . . . . . . . . . . 12-3
Method calls . . . . . . . . . . . . . . . . . . 12-4
Constructors and destructors. . . . . . . 12-4
Exit procedures . . . . . . . . . . . . . . . . . . 12-5