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/*
* Copyright 2008 Google Inc.
*
* Licensed 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.
*/
package com.google.gwt.dev.jjs;
import com.google.gwt.dev.jjs.Correlation.Axis;
import java.io.Serializable;
/**
* Tracks file and line information for AST nodes.
*/
public interface SourceInfo extends Serializable {
/**
* Add a Correlation to the SourceInfo.
*/
void addCorrelation(Correlation c);
/**
* Return the Correlation that has been set for a given Axis, or
* null if no Correlation has been set on the given axis.
*/
Correlation getCorrelation(Axis axis);
/**
* Returns the Correlations added along each Axis on which a Correlation has
* been set. Some entries may be null and should be ignored.
*/
Correlation[] getCorrelations();
/**
* Returns the correlation factory that created this node.
*/
CorrelationFactory getCorrelator();
int getEndPos();
String getFileName();
SourceOrigin getOrigin();
int getStartLine();
int getStartPos();
/**
* Create a child node of the same type and Origin as this node. If data
* accumulation is enabled, the derived node will inherit its Correlations
* from this node.
*/
SourceInfo makeChild();
/**
* Create a child node of the same type as this node, but with a new Origin.
* If data accumulation is enabled, the derived node will inherit its
* Correlations from this node.
*/
SourceInfo makeChild(SourceOrigin origin);
}