Steve Lawrence created DAFFODIL-1965:
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Summary: dfdl:assert and dfdl:discriminator "message" attribute
does not work for DFDL Expressions
Key: DAFFODIL-1965
URL: https://issues.apache.org/jira/browse/DAFFODIL-1965
Project: Daffodil
Issue Type: Bug
Components: Back End, Front End
Affects Versions: 2.1.0
Reporter: Steve Lawrence
Fix For: 2.2.0
The message attribute for dfdl:assert and dfdl:discriminator is allowed to be a
DFDL expression, for example:
{code:java}
<dfdl:assert message="{ fn:concat('unknown case ', ../data1)
}">...</dfdl:assert>{code}
However, we currently treat the message as a string, and never evaluate the
expression, even if it contains braces. To resolve this issue, we should create
a new Evaluatable for the message attribute and pass that into the
assert/discriminator parsers.
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