[stringtemplate-interest] Template validation

[Terence Parr]

Can you have the listener throw an exception?
Ter
On Mar 25, 2010, at 9:42 PM, Ilya Sterin wrote:

> Is there a way to validate a template synchronously.   I see there is
> a StringTemplateErrorListener which allows to listen to an error
> event, but it doesn't fit very well into my current model.  We
> basically have a factory which generates templates by retrieving them
> from storage (these templates are user defined) and then we construct
> a StringTemplate using the text.  Currently, no exception is thrown
> and StringTemplate logs parsing errors
> 
> action parse error; template context is [anonymous
> if(isIntervalFull)_subtemplate]
> line 1:1: unexpected token: Congrats
> at org.antlr.stringtemplate.language.ActionParser.primaryExpr(ActionParser.java:813)
> at org.antlr.stringtemplate.language.ActionParser.expr(ActionParser.java:539)
> ...
> 
> Is there a way to either force the parser to throw an exception and/or
> is there a way to validate the template text synchronously?
> 
> Thanks.
> 
> --Ilya
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