On 2013-08-02 16:59, Nicolas Fortin (OrbisGIS) wrote:
Hi,
I'm currently writing a add-on on RSyntaxText Area in order to
underline in red syntax error in sql window, and also to autocomplete
sql. In order to do that I was thinking about using H2 explain
statements, catch exception and parse it. Parse String message is
really crap, then I think about patch h2 in order to store additional
information about the syntax error, like the exception class done by
Akiban Parser:
http://akiban.github.io/sql-parser/javadoc/com/akiban/sql/parser/ParseException.html
I work on this patch in a separate branch from trunk of H2. More
information the August 19.
That sounds like a good idea.
If you declare a sub-class of DbException, you can add the extra info
you need.
something like:
public class DbParseException extends DbException {
private final int parseIndex;
private final ArrayList<String> expectedList;
....
}
And then the place to modify is the Parser#getSyntaxError and
DbException.getSyntaxError methods to generate and throw this subclass.
Regards, Noel.
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