com.codename1.tools.translator.bytecodes.CustomIntruction Maven / Gradle / Ivy
/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
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*/
package com.codename1.tools.translator.bytecodes;
import java.util.List;
/**
* A custom instruction allows us to override existing bytecode with an optimization
*
* @author Shai Almog
*/
public class CustomIntruction extends Instruction implements AssignableExpression {
private String code;
private String complexCode;
private List dependencies;
private AssignableExpression assignableExpression;
public CustomIntruction(String code, String complexCode, List dependencies, AssignableExpression assignable) {
super(-1);
this.code = code;
this.complexCode = complexCode;
this.dependencies = dependencies;
this.assignableExpression = assignable;
}
public CustomIntruction(String code, String complexCode, List dependencies) {
this(code, complexCode, dependencies, null);
}
public void appendInstruction(StringBuilder b, List l) {
if(hasInstructions) {
b.append(complexCode);
} else {
b.append(code);
}
}
public void addDependencies(List dependencyList) {
if(dependencies != null) {
dependencyList.addAll(dependencies);
}
}
public void setAssignableExpression(AssignableExpression ex) {
assignableExpression = ex;
}
public AssignableExpression getAssignableExpression() {
return assignableExpression;
}
@Override
public boolean assignTo(String varName, StringBuilder sb) {
if (assignableExpression != null) {
return assignableExpression.assignTo(varName, sb);
}
return false;
}
}