| Doubt about a textual editor for QVT [message #578351] |
Thu, 12 April 2007 06:56 |
Eclipse User |
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Hello,
Sorry if im not posting in the correct news, but i havent could find a
better place for it.
I m known that Ed Willink have been working in a textual editor for QVT
Relations, and im building an Eclipse's IDE for Operational Mapping, so i
think that Ed could help me in this job.
Good, as well as Relations, a bit of Operational Mapping's grammar is based
on OCL Expressions, and we have an eclipse proyect that resolve us a lot of
work in this way (MDT-OCL). So i have decided to generate my Operational
Mapping parser using LPG, extending OCL's grammar.
As you know, we have a problem when we are parsing wrong inputs, because the
parser generated does'nt build an AST, and it only locates all the errors in
such input. Locating all the errors in the input is a great and necessary
feature, but if i want a good quality IDE, definetely i need an AST.
I dont know if you are trying to solve these issues. Im working on them,
building my own recovery class and methods, but perhaps you could give me
some advice. Im not sure that implementing the recovery policies to try the
ast's building is a good idea.
what do you think about this ?
Thank you very much for the help.
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