/*
* R : A Computer Language for Statistical Data Analysis
* Copyright (C) 1995, 1996 Robert Gentleman and Ross Ihaka
* Copyright (C) 1997--2008 The R Development Core Team
* Copyright (C) 2003, 2004 The R Foundation
* Copyright (C) 2010 bedatadriven
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.renjin.invoke.codegen.generic;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpression;
import org.renjin.primitives.S3;
import org.renjin.invoke.codegen.ApplyMethodContext;
import org.renjin.sexp.SEXP;
import static com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr.lit;
public class SimpleDispatchStrategy extends GenericDispatchStrategy {
private final String name;
public SimpleDispatchStrategy(JCodeModel codeModel, String name) {
super(codeModel);
this.name = name;
}
@Override
public void afterArgIsEvaluated(ApplyMethodContext context, JExpression functionCall, JExpression arguments,
JBlock parent, JExpression argument, int index) {
if(index == 0) {
JBlock ifObject = parent._if(fastIsObject(argument))._then();
JExpression genericResult = ifObject.decl(codeModel.ref(SEXP.class), "genericResult",
codeModel.ref(S3.class).staticInvoke("tryDispatchFromPrimitive")
.arg(context.getContext())
.arg(context.getEnvironment())
.arg(functionCall)
.arg(lit(name))
.arg(argument)
.arg(arguments));
ifObject._if(genericResult.ne(_null()))._then()._return(genericResult);
}
}
}