de.tla2b.analysis.RecursiveFunktion Maven / Gradle / Ivy

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Translator from TLA+ to ProB's AST representation.

There is a newer version: 1.4.0

/**
 * @author Dominik Hansen 
 **/

package de.tla2b.analysis;

import de.tla2b.exceptions.NotImplementedException;
import tla2sany.semantic.OpApplNode;
import tla2sany.semantic.OpDefNode;
import tlc2.tool.BuiltInOPs;

public class RecursiveFunktion extends BuiltInOPs {

	private OpDefNode def;
	private OpApplNode rfs;
	private OpApplNode ifThenElse;

	public RecursiveFunktion(OpDefNode n, OpApplNode rfs)
			throws NotImplementedException {
		def = n;
		this.rfs = rfs;
		//evalDef();
	}


//	/**
//	 * @throws NotImplementedException
//	 * 
//	 */
//	private void evalDef() throws NotImplementedException {
//		ExprOrOpArgNode e = rfs.getArgs()[0];
//		//System.out.println(rfs.toString(5));
//		if (e instanceof OpApplNode) {
//			OpApplNode o = (OpApplNode) e;
//			switch (getOpCode(o.getOperator().getName())) {
//			case OPCODE_ite: { // IF THEN ELSE
//				ifThenElse = o;
//				return;
//			}
//			}
//			throw new NotImplementedException(
//					"Only IF/THEN/ELSE or CASE constructs are supported at the body of a recursive function.");
//		} else {
//			throw new NotImplementedException(
//					"Only IF/THEN/ELSE or CASE constructs are supported at the body of a recursive function.");
//		}
//	}

	public OpDefNode getOpDefNode() {
		return def;
	}

	public OpApplNode getRF() {
		return rfs;
	}

	public OpApplNode getIfThenElse() {
		return ifThenElse;
	}
}