| preprocessor plugin [message #163285] |
Fri, 28 November 2003 08:20  |
Eclipse User |
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Hello
I found that standart "cpp" preprocessor can parse Java files.
I checked source code for it - seems so be simple enough, so i'm going
to develop the plug-in for C-like pre-processing in Java files. Right
now i thinking in this way:
When statring build-in parser for syntax check, get input stream of file
to parse, then run the pre-processor, get output stream and pass it to
the Eclipse's lexer (or whatever it uses). This way Eclipse will be able
to parse the result file, and show the syntax/grammar's errors. For
correct mapping of found error to original file (in case if they occures
inside the case conditions or macros) i will need to have a way to get
the line numbers for errors and map it to actual lines of original file
with pre-processor statements. So the plug-in will be a "layer" between
the UI for the graphical representation of Java file and the Eclipse's
lexer.
Can anybody suggest me anything regarding the thoughts given above?
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| Re: preprocessor plugin [message #266885 is a reply to message #163488] |
Fri, 13 August 2004 12:39  |
| Eclipse User |
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Originally posted by: jbacon_FAKE_.magmic_FAKE_.com
Did anyone ever get around to writing a plugin for this? I am using
Antenna (antenna.sourceforge.net) for my J2ME development in Eclipse and
I have ifdef's all over the place which makes Eclipse's parsing choke.
I'd LOVE a plugin that would handle a preprocessor. I don't have the
time to spend on it but if someone else did that would ROCK.
Raster wrote:
> Eugene did u try the eclipse cdt? does it already solve this issue?cann it
> be resused?
>
> Well I dont know about aspectj but a pre-processor could be useful if you
> are in some rare case writing the same code again and again and for some
> reson or the other you are not able to encapsulate it beyond a point using
> OOP.
>
> So as an alternative you end up developing a kind of template for various
> pieces of code. If this is the purpose a C++ style preprocesor might be a
> good idea.
> As an extension or add on see if you can get the preprocessor to read
> inputs from propertyfiles for "define" values and also run a loop on
> various property/xml files as specified in one particular central
> controller property/xml file. Could be useful under those circumstances.
>
> This would eliminate some of the tedius apects of even preprocessor
> statements.
>
> Eugeny N Dzhurinsky wrote:
>
>
>>Hello
>
>
>>I found that standart "cpp" preprocessor can parse Java files.
>>I checked source code for it - seems so be simple enough, so i'm going
>>to develop the plug-in for C-like pre-processing in Java files. Right
>>now i thinking in this way:
>
>
>>When statring build-in parser for syntax check, get input stream of file
>>to parse, then run the pre-processor, get output stream and pass it to
>>the Eclipse's lexer (or whatever it uses). This way Eclipse will be able
>>to parse the result file, and show the syntax/grammar's errors. For
>>correct mapping of found error to original file (in case if they occures
>>inside the case conditions or macros) i will need to have a way to get
>>the line numbers for errors and map it to actual lines of original file
>>with pre-processor statements. So the plug-in will be a "layer" between
>>the UI for the graphical representation of Java file and the Eclipse's
>>lexer.
>
>
>>Can anybody suggest me anything regarding the thoughts given above?
>
>
>
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