![JAR search and dependency download from the Maven repository](/logo.png)
sparksoniq.jsoniq.compiler.translator.expr.flowr.FlworVarDecl Maven / Gradle / Ivy
/*
* 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 "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Authors: Stefan Irimescu, Can Berker Cikis
*
*/
package sparksoniq.jsoniq.compiler.translator.expr.flowr;
import sparksoniq.jsoniq.compiler.translator.expr.Expression;
import sparksoniq.jsoniq.compiler.translator.expr.ExpressionOrClause;
import sparksoniq.jsoniq.compiler.translator.expr.primary.VariableReference;
import sparksoniq.jsoniq.compiler.translator.metadata.ExpressionMetadata;
import sparksoniq.semantics.types.SequenceType;
import java.util.ArrayList;
import java.util.List;
public abstract class FlworVarDecl extends FlworClause {
protected VariableReference variableReferenceNode;
protected Expression expression;
protected FlworVarSequenceType asSequence;
private FlworVarDecl(FLWOR_CLAUSES clauseType, ExpressionMetadata metadata) {
super(clauseType, metadata);
}
public FlworVarDecl(FLWOR_CLAUSES forVar, VariableReference varRef,
FlworVarSequenceType seq, Expression expression,
ExpressionMetadata metadata) {
this(forVar, metadata);
if (varRef == null)
throw new IllegalArgumentException("Flowr var decls cannot be empty");
this.variableReferenceNode = varRef;
this.asSequence = seq;
this.expression = expression;
//TODO add type inference?
if (this.asSequence == null)
this.variableReferenceNode.setType(new SequenceType());
else
this.variableReferenceNode.setType(this.asSequence.getSequence());
}
public VariableReference getVariableReference() {
return variableReferenceNode;
}
public Expression getExpression() {
return expression;
}
public FlworVarSequenceType getAsSequence() {
return asSequence;
}
@Override
public List getDescendants(boolean depthSearch) {
List result = new ArrayList<>();
result.add(variableReferenceNode);
if (asSequence != null)
result.add(asSequence);
if (this.expression != null)
result.add(expression);
return getDescendantsFromChildren(result, depthSearch);
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy