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/*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jf.smalidea.psi.impl;
import org.jetbrains.annotations.Nullable;
import org.jf.smalidea.psi.SmaliCompositeElementFactory;
import org.jf.smalidea.psi.SmaliElementTypes;
public class SmaliLabel extends SmaliCompositeElement {
public static final SmaliCompositeElementFactory FACTORY = new SmaliCompositeElementFactory() {
@Override public SmaliCompositeElement createElement() {
return new SmaliLabel();
}
};
public SmaliLabel() {
super(SmaliElementTypes.LABEL);
}
@Override public String getName() {
return getText().substring(1);
}
@Nullable
public SmaliInstruction getInstruction() {
return findNextSiblingByClass(SmaliInstruction.class);
}
@Nullable
private SmaliInstruction getPreviousInstruction() {
return findPrevSiblingByClass(SmaliInstruction.class);
}
public int getOffset() {
SmaliInstruction instruction = getInstruction();
if (instruction == null) {
instruction = getPreviousInstruction();
if (instruction == null) {
return 0;
}
// TODO: handle variable size instructions
return instruction.getOffset() + instruction.getOpcode().format.size;
}
return instruction.getOffset();
}
}
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