Java tutorial
/* * 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 * <code>null</code> 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); }