C# support (was: Re: objc)

[Daniel Engelschalt]

alexander, this very good explanation should be put somewhere in the public.

bye,
daniel

> Any language support should be written as a kdevelop part and implement
> KDevLanguageSupport interface (lib/interfaces).
> Implementing methods:
>     virtual Features features();
>     virtual KMimeType::List mimeTypes();
> should be enough for a language support to start working.
> 
> You could look at parts/rubysupport for a simple language support
> implementation. For a compilable language support consult parts/adasupport
> or parts/pascalsupport (they are not so complex as cppsupport).
> 
> Language support can offer additional features:
> new class wizard:	
> 	virtual void addClass();
> add method dialog:	
> 	virtual void addMethod(const QString &className);
> add attribute dialog:
> 	virtual void addAttribute(const QString &className);
> 
> If there is a Qt bindings for your language and there is a possibility
> to use QtDesigner ui files (i think something available to c#)
> you could implement ui subclassing feature:
>     virtual QStringList subclassWidget(const QString& formName);
>     virtual QStringList updateWidget(const QString& formName, const
> QString&
> 	fileName);
> 
> If you write (or have) a language parser, your language support can have:
> class store (a database containing the information about scopes, classes
> and methods - their names, names of source files, location in source
> files,
> etc.). Class store libraries can be found at lib/catalog and
> lib/sourceinfo.
> KDevelop provides class browsers that extract information from a class
> store
> and display it in a tree view and toolbar selectors of scopes, classes and
> 
> methods.
> 
> Catalog is the new persistant class store for KDevelop written by Roberto
> Raggi and everybody is highly encouraged to use it. Take a look
> at parts/cppsupport for an example of using catalog. parts/pascalsupport
> will be based on a catalog (check it out within a two weeks). Catalog is
> stored on disk in the database file (Berkeley db) If you use catalog, your
> class browser will be parts/classbrowser.
> 
> Sourceinfo is the deprecated class store. Look at parts/adasupport
> (especially interesting is ada.store.g grammar file) to find out how it is
> filled by a parser with information. This class store can't be saved onto
> a
> disk. The class browser for a sourceinfo based stores is parts/classview.
> 
> Class store enables you to write a code completion for the language.
> At the moment, code completion is available only to cppsupport so
> take a look at it for an example.
> 
> In general, class stores can be filled with information without
> specialized 
> and complex language parsers (take a look at parts/pythonsupport that have
> a very simple python parser) but your language support will surely benefit
> >from having such. There is a hand-written c/c++ parser (lib/cppparser) in
> KDevelop that might be used for a objective-c language. Other (not so
> complex
> as c++) languages can be parsed by ANTLR based parsers (library is in
> lib/antlr). Consult www.antlr.org for a ANTLR documentation and look at
> parts/javasupport, parts/adasupport and parts/pascalsupport for an example
> of
> using such parsers. AFAIK there is an ANTLR based c# parser at
> www.antlr.org.
> 
> If you have a language parser, you can implement "problem reporter"
> functionality for your language. The problem reporter catches errors
> reported by a parser and displays it in a problem reporter view.
> parts/javasupport, parts/adasupport, parts/pascalsupport and
> parts/cppsupport have problem reporters.
> 
> 
> 
> The language support is important, but it is unusable without a project
> manager that can manage projects written on this language. KDevelop 
> currently provides several project managers. They are:
> Automake manager		parts/autoproject
> QMake manager		parts/trollproject
> Custom project manager	parts/customproject
> 	(works with custom makefiles, also has ant support)
> Script project manager	parts/scriptproject
> 	(the generic project manager for all scripting languages).
> Also available parts/pascalproject and parts/adaproject (they are the
> project managers for a compiled language with main source file concept).
> Choose your project manager and if the existing project managers don't fit
> in, you can modify parts/customproject to use a specific build tool or
> help us
> to develop "generic project manager" suitable for every language and build
> tool (there are some ideas which haven't been implemented yet).
> 
> 
> Application wizard templates should be also written. Appwizard templates
> are
> simple to create - consult parts/appwizard/README and look at
> parts/appwizard/rubyhello, parts/appwizard/pascalhello or
> parts/appwizard/adahello.
> 
> 
> Another thing to do is to create filecreate templates. They are prototypes
> 
> for a source files of your language. These prototypes are placed in 
> parts/filecreate/file-templates dir and have names equal to the extensions
> of language source files. The description of the prototypes is placed
> in parts/filecreate/template-info.xml. Consult parts/filecreate/README
> for further information.
> 
> 
> KDevelop has a support for code abbrevations so you can add some
> predefined
> abbrevations to your language support. Take parts/cppsupport/cpptemplates
> as an example.
> 
> 
> To edit source files KDevelop uses any editor that supports KTextEditor
> interface. In case none from the editors support advanced editing of
> sources
> written on your language (like code folding, syntax highlighting, line
> indentation) you can improve QEditor included in KDevelop (parts/qeditor).
> By creating QEditorIndenter and QSourceColorizer descendants you can
> provide the support for an automatic indentation and syntax highlighting
> that will be available for sure in KDevelop. c# colorizer is already
> available
> (parts/qeditor/cs_colorizer.h/cpp).
> 
> 
> To obtain source formatter functionality (that is already available to
> c-based languages) you can improve astyle library (lib/astyle) that is
> used
> by KDevelop to format sources.
> 
> 
> The last thing to have a complete language support in KDevelop is to
> write a debugger support. KDevelop already provides GDB support
> (parts/debugger) and JDB (java debugger) support (parts/javadebugger).
> Take a look at them to get inspiration;).
> 
> 
> See also HACKING file for an information on how to create a generic
> KDevelop
> plugin and how to manage project and global configuration information.
> 
> -- 
> Alexander Dymo
> Ukrainian State Maritime Technical University, IT Department
> 
> 
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