Examples of freemarker.core.ast.Expression

freemarker.core.ast.Expression
An abstract class for nodes in the parse tree that represent a FreeMarker expression.

        //        FMLexer token_source = new FMLexer(scs);
        FMLexer token_source = new FMLexer(scs);
        token_source.SwitchTo(FMConstants.EXPRESSION);
        FMParser parser = new FMParser(token_source);
        parser.setTemplate(caller.getTemplate());
        Expression exp = null;
        try {
            exp = parser.Exp();
        } catch (ParseException pe) {
            pe.setTemplateName(caller.getTemplate().getName());
            throw new TemplateException(pe, env);
        }
        return exp.getAsTemplateModel(env);
    }

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 * @version $Id: $
 */
public abstract class ExistenceBuiltIn extends BuiltIn {
    public TemplateModel get(Environment env, BuiltInExpression caller) 
    throws TemplateException {
        final Expression target = caller.getTarget();
        try {
            return apply(target.getAsTemplateModel(env));
        }
        catch(InvalidReferenceException e) {
            if(!(target instanceof ParentheticalExpression)) {
                throw e;
            }

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Related Classes of freemarker.core.ast.Expression

freemarker.core.builtins.evalBI

freemarker.core.builtins.ExistenceBuiltIn

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