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/*
* Fernflower - The Analytical Java Decompiler
* http://www.reversed-java.com
*
* (C) 2008 - 2010, Stiver
*
* This software is NEITHER public domain NOR free software
* as per GNU License. See license.txt for more details.
*
* This software is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE.
*/
package de.fernflower.modules.decompiler.exps;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import de.fernflower.code.CodeConstants;
import de.fernflower.main.ClassWriter;
import de.fernflower.main.DecompilerContext;
import de.fernflower.main.ClassesProcessor.ClassNode;
import de.fernflower.modules.decompiler.ExprProcessor;
import de.fernflower.modules.decompiler.vars.VarProcessor;
import de.fernflower.modules.decompiler.vars.VarTypeProcessor;
import de.fernflower.modules.decompiler.vars.VarVersionPaar;
import de.fernflower.struct.gen.VarType;
import de.fernflower.util.InterpreterUtil;
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) {
if(classdef) {
ClassNode child = DecompilerContext.getClassprocessor().getMapRootClasses().get(vartype.value);
StringWriter strwriter = new StringWriter();
BufferedWriter bufstrwriter = new BufferedWriter(strwriter);
ClassWriter clwriter = new ClassWriter();
try {
clwriter.classToJava(child, bufstrwriter, indent);
bufstrwriter.flush();
} catch(IOException ex) {
throw new RuntimeException(ex);
}
return strwriter.toString();
} else {
String name = null;
if(processor != null) {
name = processor.getVarName(new VarVersionPaar(index, version));
}
StringBuilder buf = new StringBuilder();
if(definition) {
if(processor != null && processor.getVarFinal(new VarVersionPaar(index, version)) == VarTypeProcessor.VAR_FINALEXPLICIT) {
buf.append("final ");
}
buf.append(ExprProcessor.getCastTypeName(getVartype())+" ");
}
buf.append(name==null?("var"+index+(version==0?"":"_"+version)):name);
return buf.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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