/* ###
 * 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.pcode.emu.jit.gen.op;

import ghidra.pcode.emu.jit.gen.opnd.Opnd.Ext;
import ghidra.pcode.emu.jit.op.JitUnOp;

/**
 * An extension that provides conveniences and common implementations for unary p-code operators
 * 
 * @param <T> the class of p-code op node in the use-def graph
 */
public interface UnOpGen<T extends JitUnOp> extends OpGen<T> {

	/**
	 * Whether this operator is signed
	 * <p>
	 * In many cases, the operator itself is not affected by the signedness of the operands;
	 * however, if size adjustments to the operands are needed, this can determine how those
	 * operands are extended.
	 * 
	 * @return true for signed, false if not
	 */
	boolean isSigned();

	/**
	 * When loading and storing variables, the kind of extension to apply
	 * 
	 * @return the extension kind
	 */
	default Ext ext() {
		return Ext.forSigned(isSigned());
	}
}
