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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.vars;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import de.fernflower.main.DecompilerContext;
import de.fernflower.main.collectors.VarNamesCollector;
import de.fernflower.modules.decompiler.stats.RootStatement;
import de.fernflower.modules.decompiler.stats.Statement;
import de.fernflower.struct.StructMethod;
import de.fernflower.struct.gen.VarType;
public class VarProcessor {
private HashMap<VarVersionPaar, String> mapVarNames = new HashMap<VarVersionPaar, String>();
private VarVersionsProcessor varvers;
private HashMap<VarVersionPaar, String> thisvars = new HashMap<VarVersionPaar, String>();
private HashSet<VarVersionPaar> externvars = new HashSet<VarVersionPaar>();
public void setVarVersions(RootStatement root) {
varvers = new VarVersionsProcessor();
varvers.setVarVersions(root);
}
public void setVarDefinitions(Statement root) {
mapVarNames = new HashMap<VarVersionPaar, String>();
VarDefinitionHelper defproc = new VarDefinitionHelper(root,
(StructMethod)DecompilerContext.getProperty(DecompilerContext.CURRENT_METHOD), this);
defproc.setVarDefinitions();
}
public void setDebugVarNames(HashMap<Integer, String> mapDebugVarNames) {
if(varvers == null) {
return;
}
HashMap<Integer, Integer> mapOriginalVarIndices = varvers.getMapOriginalVarIndices();
List<VarVersionPaar> listVars = new ArrayList<VarVersionPaar>(mapVarNames.keySet());
Collections.sort(listVars, new Comparator<VarVersionPaar>() {
public int compare(VarVersionPaar o1, VarVersionPaar o2) {
return o1.var>o2.var?1:(o1.var==o2.var?0:-1);
}
});
HashMap<String, Integer> mapNames = new HashMap<String, Integer>();
for(VarVersionPaar varpaar : listVars) {
String name = mapVarNames.get(varpaar);
Integer orindex = mapOriginalVarIndices.get(varpaar.var);
if(orindex != null && mapDebugVarNames.containsKey(orindex)) {
name = mapDebugVarNames.get(orindex);
}
Integer counter = mapNames.get(name);
mapNames.put(name, counter==null?counter = new Integer(0):++counter);
if(counter > 0) {
name+=String.valueOf(counter);
}
mapVarNames.put(varpaar, name);
}
}
public void refreshVarNames(VarNamesCollector vc) {
HashMap<VarVersionPaar, String> tempVarNames = new HashMap<VarVersionPaar, String>(mapVarNames);
for(Entry<VarVersionPaar, String> ent: tempVarNames.entrySet()) {
mapVarNames.put(ent.getKey(), vc.getFreeName(ent.getValue()));
}
}
public VarType getVarType(VarVersionPaar varpaar) {
return varvers==null?null:varvers.getVarType(varpaar);
}
public void setVarType(VarVersionPaar varpaar, VarType type) {
varvers.setVarType(varpaar, type);
}
public String getVarName(VarVersionPaar varpaar) {
return mapVarNames==null?null:mapVarNames.get(varpaar);
}
public void setVarName(VarVersionPaar varpaar, String name) {
mapVarNames.put(varpaar, name);
}
public int getVarFinal(VarVersionPaar varpaar) {
return varvers==null?VarTypeProcessor.VAR_FINAL:varvers.getVarFinal(varpaar);
}
public void setVarFinal(VarVersionPaar varpaar, int finaltype) {
varvers.setVarFinal(varpaar, finaltype);
}
public HashMap<VarVersionPaar, String> getThisvars() {
return thisvars;
}
public HashSet<VarVersionPaar> getExternvars() {
return externvars;
}
}
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