/* ###
 * IP: GHIDRA
 * REVIEWED: YES
 *
 * 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.pcodeCPort.slghpatexpress;

import generic.stl.VectorSTL;
import ghidra.sleigh.grammar.Location;

// Unconstrained equation, just get tokens
public class UnconstrainedEquation extends PatternEquation {

	private PatternExpression patex;

	public UnconstrainedEquation( Location location, PatternExpression p ) {
	    super(location);
		(patex = p).layClaim();
	}

	@Override
    public void dispose() {
		PatternExpression.release( patex );
	}

	@Override
    public void genPattern( VectorSTL<TokenPattern> ops ) {
	    setTokenPattern(patex.genMinPattern( ops ));
	}

	@Override
	public boolean resolveOperandLeft(OperandResolve state) {
		state.cur_rightmost = -1;
		if (getTokenPattern().getLeftEllipsis() || getTokenPattern().getRightEllipsis())		// Don't know length
			state.size = -1;
		else
			state.size = getTokenPattern().getMinimumLength();
		return true;
	}

}
