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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.uima.ruta.example.extensions;
import java.util.List;
import org.antlr.runtime.RecognitionException;
import org.apache.uima.ruta.ide.core.extensions.IIDENumberFunctionExtension;
import org.apache.uima.ruta.ide.core.extensions.IRutaCheckerProblemFactory;
import org.apache.uima.ruta.ide.parser.ast.RutaFunction;
import org.apache.uima.ruta.ide.parser.ast.RutaTypeConstants;
import org.eclipse.dltk.ast.expressions.Expression;
import org.eclipse.dltk.compiler.problem.IProblem;
import org.eclipse.dltk.compiler.problem.IProblemReporter;
public class ExampleNumberFunctionIDEExtension implements IIDENumberFunctionExtension {
private final String[] strings = new String[] { "ExampleNumberFunction" };
public String[] getKnownExtensions() {
return strings;
}
public boolean checkSyntax(Expression element, IRutaCheckerProblemFactory problemFactory,
IProblemReporter rep) throws RecognitionException {
if (element instanceof RutaFunction) {
RutaFunction f = (RutaFunction) element;
String name = f.getName();
if (!name.equals(strings[0])) {
IProblem problem = problemFactory.createUnknownFunctionProblem(f);
rep.reportProblem(problem);
return false;
}
boolean ok = true;
List<Expression> childs = f.getChilds();
if (childs.size() != 1) {
IProblem problem = problemFactory.createWrongNumberOfArgumentsProblem(name, element, 1);
rep.reportProblem(problem);
ok = false;
}
Expression expr = childs.get(0);
if (expr.getKind() != RutaTypeConstants.RUTA_TYPE_AT) {
IProblem problem = problemFactory.createWrongArgumentTypeProblem(expr, "TypeExpression");
rep.reportProblem(problem);
ok = false;
}
return ok;
}
return false;
}
}