Objective-C Issues

precompiled-headers

People ( From: lines )
 jjobe@mrj.com (jason jobe)
 Steve Naroff 
Subjects ( 2 mails )
 Re: Obtaining runtime info for C++ classes
 Obtaining runtime info for C++ classes
Document
From: Steve Naroff 
Date: Tue, 6 Oct 92 08:35:19 -0700
To: jjobe@mrj.com (jason jobe)
Subject: Re: Obtaining runtime info for C++ classes
Cc: gsk@marble.com, rms@ai.mit.edu, Steve_Naroff@NeXT.COM


Here is some quick info on precompiled headers:

The precomp format is:

- generated by cpp-precomp (NeXT integrated cpp/parser framework)
- independent of the compiler proper (cc1)
- intended to support various programming activities (as demonstrated by 
  HeaderViewer/precompiled headers)

The current implementation:

- supports ANSI-C/Objective-C (not C++)
- is undocumented (the API might be included in a future release)

snaroff.

Begin forwarded message:

Date: Mon, 5 Oct 92 22:59:58 EDT
From: jjobe@mrj.com (jason jobe)
To: gsk@marble.com
Cc: rms@ai.mit.edu, Steve_Naroff@NeXT.COM
Subject: Obtaining runtime info for C++ classes

I was thinking.

What about using the precompiled headers produced by NeXT gcc? Rather than
hacking extensively on the compiler, much of the information for providing
runtime information on C++ classes might easily be extracted from them.  I
don't know a lot about the structure of them (lacking in documentation) but
I believe the NeXT HeaderViewer relies on it exclusively to provide sufficient
data for viewing the ObjC class hierarchy.  Might this work for C++ as well.

Jason
ObjC++ Manager
Statistics
 filename:           precompiled-headers
 number of mails:    2
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