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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 org.jetbrains.java.decompiler.modules.decompiler.exps;
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.main.ClassWriter;
import org.jetbrains.java.decompiler.main.ClassesProcessor.ClassNode;
import org.jetbrains.java.decompiler.main.DecompilerContext;
import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarProcessor;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarTypeProcessor;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarVersionPaar;
import org.jetbrains.java.decompiler.struct.gen.VarType;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
import java.util.ArrayList;
import java.util.List;
public class VarExprent extends Exprent {
public static final int STACK_BASE = 10000;
public static final String VAR_NAMELESS_ENCLOSURE = "<VAR_NAMELESS_ENCLOSURE>";
private int index;
private VarType vartype;
private boolean definition = false;
private VarProcessor processor;
private int version = 0;
private boolean classdef = false;
private boolean stack = false;
{
this.type = EXPRENT_VAR;
}
public VarExprent(int index, VarType vartype, VarProcessor processor) {
this.index = index;
this.vartype = vartype;
this.processor = processor;
}
public VarType getExprType() {
return getVartype();
}
public int getExprentUse() {
return Exprent.MULTIPLE_USES | Exprent.SIDE_EFFECTS_FREE;
}
public List<Exprent> getAllExprents() {
return new ArrayList<Exprent>();
}
public Exprent copy() {
VarExprent var = new VarExprent(index, getVartype(), processor);
var.setDefinition(definition);
var.setVersion(version);
var.setClassdef(classdef);
var.setStack(stack);
return var;
}
public String toJava(int indent) {
StringBuilder buffer = new StringBuilder();
if (classdef) {
ClassNode child = DecompilerContext.getClassProcessor().getMapRootClasses().get(vartype.value);
new ClassWriter().classToJava(child, buffer, indent);
}
else {
String name = null;
if (processor != null) {
name = processor.getVarName(new VarVersionPaar(index, version));
}
if (definition) {
if (processor != null && processor.getVarFinal(new VarVersionPaar(index, version)) == VarTypeProcessor.VAR_FINALEXPLICIT) {
buffer.append("final ");
}
buffer.append(ExprProcessor.getCastTypeName(getVartype())).append(" ");
}
buffer.append(name == null ? ("var" + index + (version == 0 ? "" : "_" + version)) : name);
}
return buffer.toString();
}
public boolean equals(Object o) {
if (o == this) return true;
if (o == null || !(o instanceof VarExprent)) return false;
VarExprent ve = (VarExprent)o;
return index == ve.getIndex() &&
version == ve.getVersion() &&
InterpreterUtil.equalObjects(getVartype(), ve.getVartype()); // FIXME: vartype comparison redundant?
}
public int getIndex() {
return index;
}
public void setIndex(int index) {
this.index = index;
}
public VarType getVartype() {
VarType vt = null;
if (processor != null) {
vt = processor.getVarType(new VarVersionPaar(index, version));
}
if (vt == null || (vartype != null && vartype.type != CodeConstants.TYPE_UNKNOWN)) {
vt = vartype;
}
return vt == null ? VarType.VARTYPE_UNKNOWN : vt;
}
public void setVartype(VarType vartype) {
this.vartype = vartype;
}
public boolean isDefinition() {
return definition;
}
public void setDefinition(boolean definition) {
this.definition = definition;
}
public VarProcessor getProcessor() {
return processor;
}
public void setProcessor(VarProcessor processor) {
this.processor = processor;
}
public int getVersion() {
return version;
}
public void setVersion(int version) {
this.version = version;
}
public boolean isClassdef() {
return classdef;
}
public void setClassdef(boolean classdef) {
this.classdef = classdef;
}
public boolean isStack() {
return stack;
}
public void setStack(boolean stack) {
this.stack = stack;
}
}
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