pascal
Specifies a Pascal-style calling convention in a procedure declaration
Declare [Static] Sub procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] [Constructor [priority]] [Static] [Export]
Declare [Static] Function procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] As return_type [Static] [Export]
[Public|Private] Sub procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] [Constructor [priority]] [Static] [Export]
[Public|Private] Function procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] As return_type [Static] [Export]
In procedure declarations, pascal specifies that a procedure will use the Pascal calling convention. In the Pascal calling convention, any parameters are to be passed (pushed onto the stack) in the same order in which they are listed, that is, from left to right. The procedures need not preserve the EAX, ECX or EDX registers, and must clean up the stack (pop any parameters) before it returns.
Pascal is the default calling convention for procedures in Microsoft QuickBASIC, and is the standard convention used in the Windows 3.1 API.
Syntax
Declare [Static] Sub procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] [Constructor [priority]] [Static] [Export]
Declare [Static] Function procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] As return_type [Static] [Export]
[Public|Private] Sub procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] [Constructor [priority]] [Static] [Export]
..procedure body..
End Sub[Public|Private] Function procedure_name [Overload] pascal [Alias "external_name"] [([parameter_list])] As return_type [Static] [Export]
..procedure body..
End FunctionDescription
In procedure declarations, pascal specifies that a procedure will use the Pascal calling convention. In the Pascal calling convention, any parameters are to be passed (pushed onto the stack) in the same order in which they are listed, that is, from left to right. The procedures need not preserve the EAX, ECX or EDX registers, and must clean up the stack (pop any parameters) before it returns.
Pascal is the default calling convention for procedures in Microsoft QuickBASIC, and is the standard convention used in the Windows 3.1 API.
Example
Declare Function MyFunc pascal Alias "MyFunc" (MyParm As Integer) As Integer
Differences from QB
- New to FreeBASIC
See also
