KDevelop 1.0beta3 patch - Objective-C support added

[Richard Dale]

I've spent the last week adding Objective-C support to KDevelop, and have put
the results into a patch - Objective-C syntax highlighting, class
browsing, '.m' files searched via the search panel, Objective-C added to the
New class dialogue etc.

I've also fixed some errors in KDevelop. For instance, if a comment is longer
than 2048 characters the tokenizer will corrupt memory. The symptom in my case
was that the wait cursor was turned on permanently when I included a header
with an especially large comment.

Please find attached the patch, and an example large Objective-C KDevelop
project for testing the class browser (the GNUstep core/base directory
hierarchy).
  
gunzip  kdevelop-1.0beta3objc.patch.gz gnustepbase.kdevprj.gz

I tested the changes with the GNUstep 'base' classes. To obtain them do the
following:

export CVSROOT=":pserver:anoncvs at cvs.net-community.com:/gnustep"
cvs login

     (Logging in to anoncvs at cvs.net-community.com)
     CVS password:

Enter the password `anoncvs'. This should return you to your prompt.
>From here you can checkout any module in the CVS server you like. 

     cvs -z3 checkout base <press enter>

Copy gnustepbase.kdevprj. to the base directory in the GNUstep source code tree.

Obtain KDevelop 1.0beta3 and KDdb by following the instructions on
www.kevelop.org web site. Copy kdevelop-1.0beta3objc.patch to the directory
above the KDevelop sources

$ cd <KDevelop source directory>
$ patch -p1 < ../kdevelop-1.0beta3objc.patch
$ ./configure
$ make
$ make install

Configure KDdb to use a 'patched for Objective-C' version of gdb (see the
GNUstep web site). Start KDevelop, open gnustepbase.kdevprj and have fun
browsing the GNUstep base Objective-C class hierarchy...

If you're interested in further details, here is the change log from the patch:

Sat Sep 25 10:55:07 1999  Richard Dale <duke at tipitina.demon.co.uk>

	This patch provides Objective-C support for KDevelop 1.0beta3. 
	It contains the following changes:
	
	'**' denotes a KDevelop fix, rather than an Objective-C addition
	
	** ceditwidget.cpp: An incorrect assertion was failing when the 'Delete
	method' option was used	
	* ceditwidget.cpp: Added a '.m' suffix to source file filters
	* kdevelop.cc: Added author credit for this patch on info panel
	* ckdevelop_init.cpp: Bookmarks menu item label changed from 'C/C++
	Window'to 'C/C++/Source Window'. Heading on tab in sources window changed
	from 'C/C++' to 'C/C++/Source'
	* ckdevelop_whatsthis.cpp: 'C/C++' in tool tip text changed to
	'C/C++/Source'.
	** Typo fixed, 'declared' was spelt 'declarated'.
	* ckdevinstall.cpp: Objective-C highlighting configuration entry added.
	Objective-C added to languages in the syntax highlighing selection
	pulldown.
	* ClassParser.cc: The following methods were added to parse Objective-C;
	fillInParsedObjcMethod(), parseObjcCategory(), parseObjcImplementation(),
	parseObjcClassLexem(), parseObjcClassHeader(), parseObjcClass().
	The parseTopLevelLexem() method was changed to parse Objective-C if a
	'@interface', '@implementation' or '@class' token was encountered. Note
	that syntactically correct C++ can never contain these, so the behaviour
	of the parser with standard C++ should be unaffected.
	* ClassParser.h: Declarations added for the new Objective-C member
	functions.
	* ParsedMethod.cc: 'isObjectiveC' flag added. If this flag is TRUE, the
	name of the method is displayed in Objective-C style, eg '-init:forCoder:'
	* ParsedMethod.h: Added declaration of 'isObjectiveC'.
	* tokenizer.h: Added #defines for Objective-C tokens.
	* tokenizer.l: Added rules for Objective-C lexemes.
	** tokenizer.l: Fixed memory corruption bug when comments were longer than
	2048 characters.
	* cnewclassdlg.cpp: Added a radio button 'objectivc-c public' to the New
	Class panel. If this button is selected, an Objective-C class is
	generated.
	* cnewclassdlg.h: Declaration of 'public-objc-button' added.
	* cnewfiledlg.ccp: A '.m' suffix was added to to the expected
	suffixes for these types of source files.
	* cproject.cpp: A file with a '.m' suffix is classified as a 'CPP_SOURCE'
	file.
	* grepdialog.cpp: A '.m' suffix was added to the file types to be searched.
	** kdlgitems.cpp: The cursor was being set to wait cursor, but not always
	reset back to the arrow cursor (I assume this is a bug - the code certainly
	looks wrong - please see KDlgItems::itemSelected() ).
	* highlight.cpp: Objective-C keywords added for syntax highlighting,
	Objective-C label added to the syntax highlight selection pulldown menu.
	* highkight.h: Added new class 'ObjcHighlight'.

Regards
-- Richard Dale


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