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Today's Topics:
1. Re: Re: How to create a custom view to the debug view
(Dmitriy Kovalev)
2. RE: DLTK and RCP. (Andrey
Platov)
----------------------------------------------------------------------
Message: 1
Date: Mon, 06 Aug 2007 14:40:07 +0700
From: Dmitriy Kovalev <kds@xxxxxxxxx>
Subject: Re: [Dltk-dev] Re: How to create a custom view to the debug
view
To: DLTK Developer Discussions <dltk-dev@xxxxxxxxxxx>
Message-ID: <46B6D057.5090201@xxxxxxxxx>
Content-Type: text/plain; charset=windows-1252; format=flowed
Hello Joy,
IScriptEvaluationEngine doesn't perform any evaluations, it simply
transfers your snippet command to debugging engine. The real evaluations
are performed in debugging engine. Active State debugging engine for Tcl
simply performs tcl 'eval' command and gives snippet as argument. So,
it's possible to run tclsh in console and test all your snippets. For
example:
% set i 1
1
% set j 2
2
% eval {expr {$i + $j
}}
3
%
Another example:
% set i 1
1
% eval {$i}
invalid command name "1"
%
The correct snippet should be "expr {$i}":
% set i 1
1
% eval {expr {$i}}
1
%
I think you should test your examples in this way first and then try to
use IScriptEvaluationEngine. Of course, you can write as many Tcl code
in the snippet as you want.
--
Dmitriy Kovalev
> Hi Dmitriy Kovalev,
>
> Thanks again. Now I can get value when script suspend. It is a big
> progress for me. Thank you very much for your kind help.
>
>
>
> Now I still want to know if there are any rules about the snippet to
> be evaluated.
>
> If the snippet is $i, and i has been set in the users' script,
> IScriptValue value = result.getValue(); the value is null. But if
> snippet is "expr {$i + $j}” as you said, the value
can be obtained
> correctly.
>
> How does IScriptEvaluationEngine evaluate snippet? For example the
> snippet is turned into "puts $i"? And can this snippet be a segment of
> Tcl script, including procedure? And if it does support evaluating
> blocks of script, what will be returned?
>
> If this works, I can write a segment Tcl code to get all the business
> objects, and pass this segment of code to the method asyncEvaluate.
>
>
>
> Best regards,
>
> Joy
>
> ----- Original Message ----
> From: "dltk-dev-request@xxxxxxxxxxx" <dltk-dev-request@xxxxxxxxxxx>
> To: dltk-dev@xxxxxxxxxxx
> Sent: Saturday, August 4, 2007 6:06:11 AM
> Subject: dltk-dev Digest, Vol 6, Issue 5
>
> Send dltk-dev mailing list submissions to
> dltk-dev@xxxxxxxxxxx
>
> To subscribe or
unsubscribe via the World Wide Web, visit
>
https://dev.eclipse.org/mailman/listinfo/dltk-dev> or, via email, send a message with subject or body 'help' to
> dltk-dev-request@xxxxxxxxxxx
>
> You can reach the person managing the list at
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>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of dltk-dev digest..."
>
>
> Today's Topics:
>
> 1. Re: How to create a custom view to the debug view? (wang dada)
> 2. Re: How to create a custom view to the debug view?
> (Dmitriy Kovalev)
> 3. Support for TODO: (Robert Ehteshamzadeh
(CodeGear))
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 3 Aug 2007 03:12:14 -0700 (PDT)
> From: wang dada <runtoac@xxxxxxxxx>
> Subject: Re: [Dltk-dev] How to create a custom view to the debug view?
> To: dltk-dev@xxxxxxxxxxx
> Message-ID: <969843.16890.qm@xxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
> I am trying to use IScriptEvaluationEngine to get code evaluated.
> The following is my code, and I put my question in it:
>
> public class ScriptExplorerTreeView extends AbstractDebugView
> implements ISelectionListener, IDebugEventSetListener,
> IScriptEvaluationListener{
> ...
> public void handleDebugEvents(DebugEvent[] events) {
> for (int i = 0; i <
events.length; i++) {
> DebugEvent event = events[i];
> switch (event.getKind()) {
> case DebugEvent.BREAKPOINT:
> if (event.getSource() instanceof IScriptThread) { //Is this event
> send by the thread in which users' script executing? How can I
> determine that?
> IScriptThread source = (IScriptThread) event.getSource();
> try {
> //Could you please give me an example of how to evoke asyncEvaluate?
> //asyncEvaluate(String snippet, IScriptStackFrame frame,
> IScriptEvaluationListener listener) ;
> //What is snippet look like? And what result will be returned? How
> can I get the right
frame?
> source.getEvaluationEngine().asyncEvaluate("$i",null,
> (IScriptEvaluationListener)this);
>
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> break;
> }
> }
> }
> public void evaluationComplete(IScriptEvaluationResult result) {
> try {
> IScriptValue value = result.getValue();
> //The value is null. Why?
> if (value!=null) {
> System.out.println("The result is:
"+value.getValueString());
> } else {
> System.out.println("The result is null");
> }
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> ...
> }
> Is there any thing wrong with this code? Thanks for your time.
>
> Best regards,
> Joy
>
>
>
>
> Message: 1
> Date: Thu, 02 Aug 2007 12:10:33 +0700
> From: Dmitriy Kovalev <kds@xxxxxxxxx>
> Subject: Re: [Dltk-dev] How to create a custom view to the debug view?
> To: DLTK Developer Discussions <dltk-dev@xxxxxxxxxxx>
> Message-ID: <46B16749.2040901@xxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hello,
>
> This link
http://www.eclipse.org/eclipse/debug/documents.php is a good
> source of Eclipse debugger documentation. Presentations of two last
> EclipseConfs (with source examples) are very useful and explain
> practically all parts of Eclipse debug infrastructure with many details.
>
> Eclipse has a common model of debug objects (threads, stack frames and
> etc.). Our debug model extends Eclipse model and implements many script
> language specific things using DBGP protocol. The main interfaces are:
> IScriptThread, IScriptStackFrame, IScriptVariable, IScriptValue. See the
> source code for more information.
>
> I think your problem can be solved in the following way. The first thing
> you should investigate is the IDebugEventSetListener. Your class may
> implement this interface to listen debug events (class
DebugEvent).
> These events give a complete information about debugging process: when
> debugger
> suspends, why it suspends (end of step or breakpoint) and etc.
> DebugEvent has a good javadoc, read it first. So, you can detect the
> moment when your view should be shown.
>
> Adding information about objects is more complex but realizable task. I
> think you should use IScriptEvaluationEngine. This interface allow you
> to execute any code (in this case Tcl code) in the application thread
> and obtain results as instance of IScriptValue. Evaluation engine
> interface can be requested through IScriptThread (method
> getEvaluationEgine). Instance of IScriptThread can be simply extracted
> from DebugEvent.
>
> This is a short outline of possible solution. Please, ask additional
> questions for more information.
>
> --
>
Dmitriy Kovalev
>
> wang dada wrote:
> > Hi,
> > Recently I've been studying the debugger of Dltk. What I want to do is
> > adding a custom view to the DebugView, let's say it to be
> > CustomObjectView.
> > When users' scripte suspend at the breakpoint, CustomObjectView will
> > show all the objects created by now. These objects has no
> > relation with Tcl lanuage, they are just the bussiness objects created
> > by users.
> > For example, users script will be like this: set i [test::newobject1]
>
>
> set
> > j [test::new object2]
> >
> >
test::new relationship -parent i j
> > And I can get all the objects by using: test::get all to get all
> > the created objects and their relations, and show them in
> > CustomObjectView with a treeViewer. When user click step,
> > CustomObjectView will refresh.
> >
> > Could anyone give me some clue or example code to realize it? I've
> > read articles at
http://www.eclipse.org/eclipse/debug/documents.php,
> > but still do not know how to begin. Is there any documents about how
> > to realizing debugger of DLTK? Any advise and help will be greatly
> > appreciated.
> >
> > Best regards,
> > Joy
> >
> >
> >
------------------------------------------------------------------------
> > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket:
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>
>
>
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> Message: 2
> Date: Fri, 03 Aug 2007 17:30:55 +0700
> From: Dmitriy Kovalev <kds@xxxxxxxxx>
> Subject: Re: [Dltk-dev] How to create a custom view to the debug view?
> To: DLTK Developer Discussions <dltk-dev@xxxxxxxxxxx>
> Message-ID: <46B303DF.5090005@xxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> wang dada
wrote:
>
> First thing, DebugEvent.BREAKPOINT is a detail of event, real event kind
> should be checked on DebugEvent.SUSPEND.
> > Hi,
> > I am trying to use IScriptEvaluationEngine to get code evaluated.
> > The following is my code, and I put my question in it:
> >
> > public class ScriptExplorerTreeView extends AbstractDebugView
> > implements ISelectionListener, IDebugEventSetListener,
> > IScriptEvaluationListener{
> > ...
> > public void handleDebugEvents(DebugEvent[] events) {
> > for (int i = 0; i < events.length; i++) {
> > DebugEvent event = events[i];
> > switch (event.getKind()) {
> > case DebugEvent.BREAKPOINT:
>
> *if (event.getSource() instanceof IScriptThread) { //Is this event
> > send by the thread in which users' script executing? How can I
> > determine that?*
> This event can be sent by any thread of currently executed program. In
> many cases this is only one thread.
>
> > IScriptThread source = (IScriptThread) event.getSource();
> > try {
> > * //Could you please give me an example of how to evoke
> asyncEvaluate?*
> > * //asyncEvaluate(String snippet, IScriptStackFrame frame,
> > IScriptEvaluationListener listener) ;*
> > * //What is snippet look like? And what result will be returned?
> > How can I get the right frame?*
> You should set null as a frame. String snippet is a code to
evaluate,
> e.g. "expr {$a + $b}", listener is the object that would be notified
> when evaluation
> completed, i.e. the method evaluationComplete(IScriptEvaluationResult
> result). Result gives the IScriptValue instance.
>
> > source.getEvaluationEngine().asyncEvaluate("$i",null,
> > (IScriptEvaluationListener)this);
> >
> > } catch (Exception e) {
> > e.printStackTrace();
> > }
> > }
> > break;
> > }
> > }
> > }
> > public void evaluationComplete(IScriptEvaluationResult result)
{
> > try {
> > IScriptValue value = result.getValue();
> > //The value is null. Why?
> > if (value!=null) {
> > System.out.println("The result is: "+value.getValueString());
> > } else {
> > System.out.println("The result is null");
> > }
> > } catch (Exception e) {
> > e.printStackTrace();
> > }
> > }
> > ...
> > }
> > Is there any thing wrong with this code? Thanks for your time.
> >
> > Best regards,
> > Joy
> >
> >
> >
> >
> > Message: 1
>
> Date: Thu, 02 Aug 2007 12:10:33 +0700
> > From: Dmitriy Kovalev <kds@xxxxxxxxx>
> > Subject: Re: [Dltk-dev] How to create a custom view to the debug view?
> > To: DLTK Developer Discussions <dltk-dev@xxxxxxxxxxx>
> > Message-ID: <46B16749.2040901@xxxxxxxxx>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> > Hello,
> >
> > This link
http://www.eclipse.org/eclipse/debug/documents.php is a good
> > source of Eclipse debugger documentation. Presentations of two last
> > EclipseConfs (with source examples) are very useful and explain
> > practically all parts of Eclipse debug infrastructure with many details.
> >
> > Eclipse has a common model of debug objects (threads, stack frames and
> > etc.). Our
debug model extends Eclipse model and implements many script
> > language specific things using DBGP protocol. The main interfaces are:
> > IScriptThread, IScriptStackFrame, IScriptVariable, IScriptValue. See the
> > source code for more information.
> >
> > I think your problem can be solved in the following way. The first thing
> > you should investigate is the IDebugEventSetListener. Your class may
> > implement this interface to listen debug events (class DebugEvent).
> > These events give a complete information about debugging process: when
> > debugger
> > suspends, why it suspends (end of step or breakpoint) and etc.
> > DebugEvent has a good javadoc, read it first. So, you can detect the
> > moment when your view should be shown.
> >
> > Adding information about objects is more complex but realizable task.
I
> > think you should use IScriptEvaluationEngine. This interface allow you
> > to execute any code (in this case Tcl code) in the application thread
> > and obtain results as instance of IScriptValue. Evaluation engine
> > interface can be requested through IScriptThread (method
> > getEvaluationEgine). Instance of IScriptThread can be simply extracted
> > from DebugEvent.
> >
> > This is a short outline of possible solution. Please, ask additional
> > questions for more information.
> >
> > --
> > Dmitriy Kovalev
> >
> > wang dada wrote:
> > > Hi,
> > > Recently I've been studying the debugger of Dltk. What I want to do is
> > > adding a custom view to the DebugView, let's say it to be
> > > CustomObjectView.
> > > When users' scripte suspend at the
breakpoint, CustomObjectView will
> > > show all the objects created by now. These objects has no
> > > relation with Tcl lanuage, they are just the bussiness objects created
> > > by users.
> > > For example, users script will be like this: set i [test::newobject1]
> >
> >
>
> > set
> > > j [test::new object2]
> >
>
> > > test::new relationship -parent i j
> > > And I can get all the objects by using: test::get all to get all
> > > the created objects and their relations, and show them in
> > > CustomObjectView with a treeViewer. When user click step,
> > > CustomObjectView will refresh.
> > >
> > > Could anyone give me some clue or example code to realize it? I've
> > > read articles at
http://www.eclipse.org/eclipse/debug/documents.php,
> > > but still do not know how to begin. Is there any documents about how
> > > to realizing debugger of DLTK? Any advise and help will be greatly
> > > appreciated.
> > >
> > > Best regards,
> > > Joy
> > >
> > >
> > >
> ------------------------------------------------------------------------
> > > Take the Internet to Go: Yahoo!Go puts the Internet in your pocket:
> > >
> >
> <
http://us.rd.yahoo.com/evt=48253/*http://mobile.yahoo.com/go?refer=1GNXIC>
>
> >
> > > mail, news, photos & more.
> > >
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> > > This message was scanned by ESVA and is believed to be clean.
> > > Click here to report this message as spam.
> > >
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> > >
> ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > dltk-dev mailing list
> > > dltk-dev@xxxxxxxxxxx
> > >
https://dev.eclipse.org/mailman/listinfo/dltk-dev> > >
> >
> >
> >
> >
> > ------------------------------
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> > _______________________________________________
>
> dltk-dev mailing list
> > dltk-dev@xxxxxxxxxxx
> >
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> >
> >
> > ------------------------------------------------------------------------
> > Be a better Globetrotter. Get better travel answers
> >
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> >
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>
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>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 03 Aug 2007 15:08:00 -0700
> From: "Robert Ehteshamzadeh (CodeGear)" <rehteshamzadeh@xxxxxxxxxxxx>
> Subject: [Dltk-dev] Support for TODO:
> To: DLTK Developer Discussions <dltk-dev@xxxxxxxxxxx>
> Message-ID:
<46B3A740.7070006@xxxxxxxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Tasks view does not Pick up #TODO: from source files.
>
> test case:
>
> MENU: File | New | Ruby Source File
> Type # TODO: A task
> MENU: File | Save
> MENU: Window | Show View | Tasks
>
> Expected:
> TODO is picked up in Tasks
> Actual:
> Not yet
>
> Is this a bug, or simply has not yet been implemented?
>
> --
> Robert Ehteshamzadeh
> QA Engineer, CodeGear
> rehteshamzadeh@xxxxxxxxxxxx
> 831-431-1226
>
>
>
> ------------------------------
>
> _______________________________________________
> dltk-dev mailing list
> dltk-dev@xxxxxxxxxxx
>
https://dev.eclipse.org/mailman/listinfo/dltk-dev>
>
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>
>
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------------------------------
Message: 2
Date: Mon, 6 Aug 2007 20:11:20 +0700
From: "Andrey Platov" <andrey@xxxxxxxxx>
Subject: RE: [Dltk-dev] DLTK and RCP.
To: "'DLTK Developer Discussions'" <dltk-dev@xxxxxxxxxxx>
Message-ID: <020e01c7d82b$490c3a80$db24af80$@com>
Content-Type: text/plain; charset="us-ascii"
Hello Gilad,
Could you please describe some use-cases for console within your RCP
application, so we'll better
understand a type of stuff you're looking for
as well as provide examples.
Kind Regards,
Andrey
From: dltk-dev-bounces@xxxxxxxxxxx [mailto:dltk-dev-bounces@xxxxxxxxxxx] On
Behalf Of Gilad Margalit
Sent: Sunday, August 05, 2007 6:04 PM
To: dltk-dev@xxxxxxxxxxx
Subject: [Dltk-dev] DLTK and RCP.
Couldn't find it...
Can I use a DLTK console within my RCP product?
If so, are there any available examples?
Thanks.
Gilad.
--
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