ghidra-master/Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/symbol/AbstractWithMsSymbol.java
/* ###
 * IP: GHIDRA
 *
 * 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 ghidra.app.util.bin.format.pdb2.pdbreader.symbol;

import ghidra.app.util.bin.format.pdb2.pdbreader.*;

/**
 * This class represents various flavors of With symbol.
 * <P>
 * Note: we do not necessarily understand each of these symbol type classes.  Refer to the
 *  base class for more information.
 */
public abstract class AbstractWithMsSymbol extends AbstractMsSymbol implements AddressMsSymbol {

	protected long parentPointer;
	protected long endPointer;
	protected long length;
	protected long offset;
	protected int segment;
	protected String expression;

	/**
	 * Constructor for this symbol.
	 * @param pdb {@link AbstractPdb} to which this symbol belongs.
	 * @param reader {@link PdbByteReader} from which this symbol is deserialized.
	 * @param offsetSize size of offset to parse.
	 * @param strType {@link StringParseType} to use.
	 * @throws PdbException upon error parsing a field.
	 */
	public AbstractWithMsSymbol(AbstractPdb pdb, PdbByteReader reader, int offsetSize,
			StringParseType strType) throws PdbException {
		super(pdb, reader);
		parentPointer = reader.parseUnsignedIntVal();
		endPointer = reader.parseUnsignedIntVal();
		length = reader.parseVarSizedOffset(offsetSize);
		offset = reader.parseVarSizedOffset(offsetSize);
		segment = pdb.parseSegment(reader);
		expression = reader.parseString(pdb, strType);
		reader.align4();
	}

	/**
	 * Returns the parent pointer.
	 * @return Parent pointer.
	 */
	public long getParentPointer() {
		return parentPointer;
	}

	/**
	 * Returns the end pointer.
	 * @return End pointer.
	 */
	public long getEndPointer() {
		return endPointer;
	}

	/**
	 * Returns the length.
	 * @return Length.
	 */
	public long getLength() {
		return length;
	}

	/**
	 * Returns the offset.
	 * @return Offset.
	 */
	@Override
	public long getOffset() {
		return offset;
	}

	/**
	 * Returns the segment.
	 * @return Segment.
	 */
	@Override
	public int getSegment() {
		return segment;
	}

	/**
	 * Returns the expression.
	 * @return Expression.
	 */
	public String getExpression() {
		return expression;
	}

	@Override
	public void emit(StringBuilder builder) {
		builder.append(getSymbolTypeName());
		builder.append(String.format(": [%04X:%08X], Length: %08X, %s\n", segment, offset, length,
			expression));
		builder.append(String.format("   Parent: %08X, End: %08X\n", parentPointer, endPointer));
	}

}
