/**
* Copyright (c) 2011 committers of YAKINDU and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* committers of YAKINDU - initial API and implementation
*/
package org.yakindu.sct.simulation.core.sexec.interpreter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
*
* @author andreas muelder - Initial contribution and API
* @author axel terfloth - added caching of function lookups
*
*/
public abstract class AbstractStatementInterpreter extends CoreFunction
implements IStatementInterpreter {
protected static Map<String, String> assignFunctionMap = new HashMap<String, String>();
static {
assignFunctionMap.put("multAssign", "*");
assignFunctionMap.put("divAssign", "/");
assignFunctionMap.put("modAssign", "%");
assignFunctionMap.put("addAssign", "+");
assignFunctionMap.put("subAssign", "-");
assignFunctionMap.put("leftShiftAssign", "<<");
assignFunctionMap.put("rightShiftAssign", ">>");
assignFunctionMap.put("andAssign", "&");
assignFunctionMap.put("xorAssign", "^");
assignFunctionMap.put("orAssign", "|");
}
protected Map<Signature, Function> functionMap = new HashMap<Signature, Function>();
public Object evaluate(String name, Object... params) {
Function lookup = lookup(name, params);
if(lookup == null)
throw new RuntimeException(
"No function definition found for '" + name + "' with parameters: " + Arrays.toString(params));
return lookup.execute(params);
}
public Function lookup(String name, Object... params) {
Signature sig = new Signature(name, toParamTypes(params));
Function f = functionMap.get(sig);
if (f == null) {
f = super.lookup(getClass(), name, sig.getParamTypes());
functionMap.put(sig, f);
}
return f;
}
}