Interface GET_STRUCT

Preprocessor macro expanding to an expression

#include <SPAD/AC.H>

Description

This macro converts a pointer to the member of a structure to a pointer to the structure.

This macro is often used in ASTs — in AST handler we receive a pointer to the AST being posted and we need a pointer to the structure containing the AST. GET_STRUCT is usually one of the first commands in the AST handler.

Arguments

• ptr — Pointer to the member of a structure.
• type — The structure type. ptr points to a member of this type.
• member — Member name. This is one member of the structure type.

Returns

Pointer to the whole structure.

See also

LIST_STRUCT