Keyword @defs
Keyword @defs
- Subject: Keyword @defs
- From: James Pengra <email@hidden>
- Date: Sun, 29 Nov 2009 16:07:11 -0800
Consider the following situation I found in a Cocoa program
to simulate a sine wave generator:
The class Foo has a number of variables defined in its
header. In the code file Foo.m, and.preceding the @implementation
block, the following structure is defined:
typedef struct
{
@defs(Foo);
} getFoo;
Also preceding the @implementation is a C procedure called IOProc
which is the call-back procedure used in audio processing. IOProc
contains a pointer def defined as
getFoo *def;
which is used to get at Foo's variables with statements like def->varname.
The latest version of Xcode (v.3.2) does not permit use of the
@defs keyword.
Does anyone know of a work around I might use so that IOProc can
get access to Foo's variables? IOProc fills the input buffer with
data which defines the audio signal. The bulk of the code in Foo (in
the @implementation block) initializes Core Audio and handles the
start and stop of the sound.
Thanks for any ideas.
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