[antlr-interest] Exception issues

[Eric Mahurin]

Here are a few things I don't know how to resolve with the current
antlr code with regard to exceptions:

1. SemanticException is constructed without any line, column, or
filename.  Why?  It is not a very useful message - especially to the
end-user that sees an expression with internal variables.

2. Ability to override the exception classes used for exception
construction.  In my case, I have include files so that the filename
is not constant.  I have another means of finding the filename (lookup
table - ignores lexer/parser filename) and would like to use exception
classes that use this method.

Eric




 
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