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sandeepnegi / addi

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for loop null pointer exception #63

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?

>> for i=[1:3]
>> i
>> end

class java.lang.NullPointerException : null

What is the expected output? What do you see instead?

>> for i=[1:3]
>> i
>> end
i =  1
i =  2
i =  3

What version of the product are you using? On what operating system?
Addi 1.97 / Android 2.3.3

Please provide any additional information below.

The following construction works:

>> a=[1:3]
a =

   1.0000   2.0000   3.0000

>> for i=a
>> i
>> end
i =  1.0000
 ans =  1.0000
i =  2.0000
 ans =  2.0000
i =  3.0000
 ans =  3.0000

Original issue reported on code.google.com by dennis.r...@googlemail.com on 21 Apr 2012 at 10:41

GoogleCodeExporter commented 8 years ago 
does this happen with the default or experimental interpreter?

Original comment by corbi...@gmail.com on 23 Apr 2012 at 6:07

GoogleCodeExporter commented 8 years ago 
This happened with the default interpreter. Enabling experimental interpreter 
does not work: After the "Preparing Interpreter" screen has finished addi 
crashes every time after entering the first command.

Original comment by dennis.r...@googlemail.com on 23 Apr 2012 at 7:59

GoogleCodeExporter commented 8 years ago 
Interesting, what is your first command?

Original comment by corbi...@gmail.com on 24 Apr 2012 at 3:57

GoogleCodeExporter commented 8 years ago 
Doesn't matter. "for i=[1:3]", "a=7" or even a blank line...addi crashes all 
the time.

Original comment by dennis.r...@googlemail.com on 24 Apr 2012 at 5:19

GoogleCodeExporter commented 8 years ago 
Does the "Preparing Interpreter" show up every time you go to try to use the 
experimental interpreter?  Or did it only show up the first time you tried to 
use it?

Original comment by corbi...@gmail.com on 24 Apr 2012 at 11:49

GoogleCodeExporter commented 8 years ago 
The message shows up every time for a couple of minutes and disappears then. On 
the next command addi crashes.

Original comment by dennis.r...@googlemail.com on 25 Apr 2012 at 7:39

GoogleCodeExporter commented 8 years ago 
Ah, that means unpacking all the files Addi experimental interpreter is 
dependant on failed.  I don't yet have a good error message for this.  This 
will be fixed.  Do you have Addi installed internally or on the SD card.  Are 
you very low on space for new apps?  Could you try uninstalling, making sure 
there is a couple 100 MB free internally and install again.  Regardless, more 
debugging of the interpereter is coming and it does solve the issues you have 
listed.

Original comment by corbi...@gmail.com on 27 Apr 2012 at 3:50

GoogleCodeExporter commented 8 years ago 
On sd card, 4.7GB free. Uninstalling and reinstalling addi made the 
experimental interpreter work. Described problem does not occur with 
experimental interpreter.

Original comment by dennis.r...@googlemail.com on 30 Apr 2012 at 9:23

GoogleCodeExporter commented 8 years ago 
I will make it so I can better detect installation problems in the future and 
hopefully make it so they are less likely to occur.  I am glad the experimental 
interpreter fixes this issue!

Original comment by corbi...@gmail.com on 30 Apr 2012 at 5:06