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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.IIDEBooleanFunctionExtension; | |
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 ExampleBooleanFunctionIDEExtension implements IIDEBooleanFunctionExtension { | |
private final String[] strings = new String[] { "ExampleBooleanFunction" }; | |
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; | |
} | |
} |