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/*
* Copyright (c) 2013 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.cdt.internal.qt.core.pdom;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTImageLocation;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorIncludeStatement;
/**
* The location of the signal/slot reference is stored as the location of the parent
* macro expansion + an offset, which is the number of characters between the start
* of the expansion and the start of the argument (including whitespace). E.g. in,
*
* <pre>
* MACRO( expansionParameter )
* ^ ^ ^ c: end of reference name
* | +----------------- b: start of reference name
* +------------------------ a: start of macro expansion
* </pre>
*
* The offset is b - a and length is c - b. This means that the result of 'Find
* References' will highlight just "parameter".
*/
public class QtASTImageLocation implements IASTImageLocation {
private final IASTFileLocation refLocation;
private final int offset;
private final int length;
public QtASTImageLocation(IASTFileLocation refLocation, int offset, int length) {
this.refLocation = refLocation;
this.offset = offset;
this.length = length;
}
public int getOffset() {
return offset;
}
public int getLength() {
return length;
}
@Override
public IASTFileLocation asFileLocation() {
return this;
}
@Override
public String getFileName() {
return refLocation.getFileName();
}
@Override
public int getNodeOffset() {
return refLocation.getNodeOffset() + offset;
}
@Override
public int getNodeLength() {
return length;
}
@Override
public int getStartingLineNumber() {
return refLocation.getStartingLineNumber();
}
@Override
public int getEndingLineNumber() {
return refLocation.getEndingLineNumber();
}
@Override
public IASTPreprocessorIncludeStatement getContextInclusionStatement() {
return refLocation.getContextInclusionStatement();
}
@Override
public int getLocationKind() {
return REGULAR_CODE;
}
}
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