openrs2
/
jode
0
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

not working yet, I plan to merge it with MethodAnalyzer

Browse Source 
git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@876 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 26 years ago
parent 90beb1338f
commit 3a1455664a
2 changed files with 188 additions and 105 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 190
      jode/jode/decompiler/CodeAnalyzer.java
  2. 53
      jode/jode/decompiler/MethodAnalyzer.java

190
jode/jode/decompiler/CodeAnalyzer.java
Unescape View File

@ -46,7 +46,7 @@ import java.io.DataInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
public class CodeAnalyzer implements Analyzer, Scope {
public class CodeAnalyzer implements Analyzer, Scope, ClassDeclarer {
FlowBlock methodHeader;
BytecodeInfo code;
@ -62,6 +62,7 @@ public class CodeAnalyzer implements Analyzer, Scope {
*/
Dictionary anonClasses = new SimpleDictionary();
Vector anonAnalyzers = new Vector();
Vector innerAnalyzers = new Vector();
LocalInfo[] param;
LocalVariableTable lvt;
@ -246,26 +247,6 @@ public class CodeAnalyzer implements Analyzer, Scope {
methodHeader.removeOnetimeLocals();
methodHeader.mergeParams(param);
createAnonymousClasses();
Enumeration enum = allLocals.elements();
while (enum.hasMoreElements()) {
LocalInfo li = (LocalInfo)enum.nextElement();
if (!li.isShadow())
imports.useType(li.getType());
}
for (int i=0; i < param.length; i++) {
param[i].guessName();
for (int j=0; j < i; j++) {
if (param[j].getName().equals(param[i].getName())) {
/* A name conflict happened. */
param[i].makeNameUnique();
break; /* j */
}
}
}
methodHeader.makeDeclaration(param);
methodHeader.simplify();
}
public void dumpSource(TabbedPrintWriter writer)
@ -319,12 +300,13 @@ public class CodeAnalyzer implements Analyzer, Scope {
public void addAnonymousConstructor(ConstructorOperator cop) {
ClassInfo cinfo = cop.getClassInfo();
ConstructorOperator[] cops =
(ConstructorOperator[]) anonClasses.get(cinfo);
ConstructorOperator[] newCops;
if (cops == null)
if (cops == null) {
newCops = new ConstructorOperator[] { cop };
else {
} else {
newCops = new ConstructorOperator[cops.length + 1];
System.arraycopy(cops, 0, newCops, 0, cops.length);
newCops[cops.length] = cop;
@ -340,23 +322,19 @@ public class CodeAnalyzer implements Analyzer, Scope {
ClassInfo clazz = (ClassInfo) keys.nextElement();
ConstructorOperator[] cops =
(ConstructorOperator[]) elts.nextElement();
// System.err.println("aac: expr0 = "+cops[0]);
Expression[] subExprs1 = cops[0].getSubExpressions();
int maxOuter = subExprs1.length;
for (int i=1; i < cops.length; i++) {
// System.err.println("aac: expr"+i+" = "+cops[i]);
Expression[] subExprs2 = cops[i].getSubExpressions();
maxOuter = Math.min(subExprs2.length, maxOuter);
for (int j=0; j < maxOuter; j++) {
if (!subExprs2[j].equals(subExprs1[j])) {
maxOuter = j;
break;
}
}
}
Expression[] outerValues = new Expression[maxOuter];
ClassAnalyzer anonAnalyzer = getParent().getClassAnalyzer(clazz);
int copsNr = 0;
Expression[] outerValues;
int maxOuter;
if (anonAnalyzer != null) {
outerValues = anonAnalyzer.getOuterValues();
maxOuter = outerValues.length;
} else {
System.err.println("aac: expr0 = "+cops[0]);
outerValues = new Expression[maxOuter];
Expression[] subExprs1 = cops[copsNr++].getSubExpressions();
maxOuter = subExprs1.length;
for (int j=0; j < maxOuter; j++) {
Expression expr = subExprs1[j].simplify();
if (expr instanceof CheckNullOperator)
@ -385,35 +363,91 @@ public class CodeAnalyzer implements Analyzer, Scope {
}
}
maxOuter = j;
// System.err.println("new maxOuter: "+maxOuter+" ("+expr);
System.err.println("new maxOuter: "+maxOuter+" ("+expr);
}
}
for (int i=copsNr; i < cops.length; i++) {
Expression[] subExprs = cops[i].getSubExpressions();
for (j=0; j < maxOuter; j++) {
Expression expr = subExprs[j].simplify();
if (expr instanceof CheckNullOperator)
expr = ((CheckNullOperator) expr).getSubExpressions()[0];
if (expr instanceof ThisOperator
&& expr.equals(outerValues[j]))
continue;
if (expr instanceof LocalLoadOperator) {
// more thorough checks for constructors!
// combine locals!
// what else?
XXX
LocalLoadOperator llop = (LocalLoadOperator) expr;
LocalInfo li = llop.getLocalInfo();
for (int i=1; i < cops.length; i++) {
Expression expr2 =
cops[i].getSubExpressions()[j].simplify();
if (expr2 instanceof CheckNullOperator)
expr2 = ((CheckNullOperator) expr2)
.getSubExpressions()[0];
LocalInfo li2 =
((LocalLoadOperator) expr2).getLocalInfo();
li2.combineWith(li);
}
if (li.markFinal()) {
outerValues[j] = new OuterLocalOperator(li);
continue;
}
}
maxOuter = j;
System.err.println("new maxOuter: "+maxOuter+" ("+expr);
}
}
if (maxOuter > outerValues.length) {
Expression[] newOuter = new Expression[j];
System.arraycopy(outerValues, 0, newOuter, 0, j);
outerValues = newOuter;
break;
}
ClassAnalyzer classAna = new ClassAnalyzer(this, clazz, imports,
if (anonAnalyzer == null)
anonAnalyzer = new ClassAnalyzer(this, clazz, imports,
outerValues);
anonAnalyzers.addElement(classAna);
else
anonAnalyzer.setOuterValues(outerValues);
anonAnalyzer.analyze();
anonAnalyzers.addElement(anonAnalyzer);
}
analyzedAnonymous = true;
}
public void analyzeAnonymousClasses() {
boolean hasAnonymous = false;
Enumeration enum = anonAnalyzers.elements();
while (enum.hasMoreElements()) {
ClassAnalyzer classAna = (ClassAnalyzer) enum.nextElement();
if (classAna.getName() == null)
hasAnonymous = true;
classAna.analyze();
}
if (hasAnonymous) {
/* We have to simplify again
* XXX This is because the ConstructorOperator should remove
* the CheckNullOperator, but where is only known after
* analyzing inner classes.
*/
createAnonymousClasses();
}
public void makeDeclaration() {
for (Enumeration enum = allLocals.elements();
enum.hasMoreElements(); ) {
LocalInfo li = (LocalInfo)enum.nextElement();
if (!li.isShadow())
imports.useType(li.getType());
}
for (int i=0; i < param.length; i++) {
param[i].guessName();
for (int j=0; j < i; j++) {
if (param[j].getName().equals(param[i].getName())) {
/* A name conflict happened. */
param[i].makeNameUnique();
break; /* j */
}
}
}
methodHeader.makeDeclaration(param);
methodHeader.simplify();
for (Enumeration enum = anonAnalyzers.elements();
enum.hasMoreElements(); ) {
ClassAnalyzer classAna = (ClassAnalyzer) enum.nextElement();
classAna.makeDeclaration();
addClassAnalyzer(classAna);
}
}
@ -421,19 +455,41 @@ public class CodeAnalyzer implements Analyzer, Scope {
return analyzedAnonymous;
}
public ClassAnalyzer getAnonymousClass(ClassInfo cinfo) {
Enumeration enum = anonAnalyzers.elements();
public LocalInfo getParamInfo(int nr) {
return param[nr];
}
public void addClassAnalyzer(ClassAnalyzer clazzAna) {
if (innerAnalyzers == null)
innerAnalyzers = new Vector();
innerAnalyzers.addElement(clazzAna);
getParent().addClassAnalyzer(clazzAna);
}
/**
* Get the class analyzer for the given class info. This searches
* the method scoped/anonymous classes in this method and all
* outer methods and the outer classes for the class analyzer.
* @param cinfo the classinfo for which the analyzer is searched.
* @return the class analyzer, or null if there is not an outer
* class that equals cinfo, and not a method scope/inner class in
* an outer method.
*/
public ClassAnalyzer getClassAnalyzer(ClassInfo cinfo) {
if (innerAnalyzers != null) {
Enumeration enum = innerAnalyzers.elements();
while (enum.hasMoreElements()) {
ClassAnalyzer classAna = (ClassAnalyzer) enum.nextElement();
if (classAna.getClazz().equals(cinfo))
if (classAna.getClazz().equals(cinfo)) {
if (classAna.getParent() != this) {
classAna.setParent(this);
}
return classAna;
}
throw new java.util.NoSuchElementException(cinfo.toString());
}
public LocalInfo getParamInfo(int nr) {
return param[nr];
}
return getParent().getClassAnalyzer(cinfo);
}
public ClassAnalyzer getClassAnalyzer() {
@ -472,4 +528,8 @@ public class CodeAnalyzer implements Analyzer, Scope {
return findAnonClass(name) != null;
return false;
}
public ClassDeclarer getParent() {
return getClassAnalyzer();
}
}

53
jode/jode/decompiler/MethodAnalyzer.java
Unescape View File

@ -31,7 +31,7 @@ import jode.GlobalOptions;
import java.lang.reflect.Modifier;
import java.io.*;
public class MethodAnalyzer implements Analyzer {
public class MethodAnalyzer implements Analyzer, Scope, ClassDeclarer {
ImportHandler imports;
ClassAnalyzer classAnalyzer;
MethodInfo minfo;
@ -135,15 +135,6 @@ public class MethodAnalyzer implements Analyzer {
offset++;
}
// if (isConstructor() && !isStatic()
// && classAnalyzer.outerValues != null) {
// Expression[] outerValues = classAnalyzer.outerValues;
// for (int i=0; i< outerValues.length; i++) {
// LocalInfo local = code.getParamInfo(offset+i);
// local.setExpression(outerValues[i]);
// }
// }
Type[] paramTypes = methodType.getParameterTypes();
for (int i=0; i< paramTypes.length; i++) {
code.getParamInfo(offset).setType(paramTypes[i]);
@ -180,6 +171,20 @@ public class MethodAnalyzer implements Analyzer {
code.analyzeAnonymousClasses();
}
public void makeDeclaration() {
if (isConstructor() && !isStatic()
&& classAnalyzer.outerValues != null) {
Expression[] outerValues = classAnalyzer.outerValues;
for (int i=0; i< outerValues.length; i++) {
LocalInfo local = code.getParamInfo(1+i);
local.setExpression(outerValues[i]);
}
}
if (code != null)
code.makeDeclaration();
}
public boolean skipWriting() {
if (synth != null) {
// We don't need this class anymore (hopefully?)
@ -268,11 +273,30 @@ public class MethodAnalyzer implements Analyzer {
}
if (minfo.isSynthetic())
writer.print("/*synthetic*/ ");
String modif = Modifier.toString(minfo.getModifiers());
int modifiedModifiers = minfo.getModifiers();
/*
* JLS-1.0, section 9.4:
*
* For compatibility with older versions of Java, it is
* permitted but discouraged, as a matter of style, to
* redundantly specify the abstract modifier for methods
* declared in interfaces.
*
* Every method declaration in the body of an interface is
* implicitly public. It is permitted, but strongly
* discouraged as a matter of style, to redundantly specify
* the public modifier for interface methods.
*/
if (classAnalyzer.getClazz().isInterface())
modifiedModifiers &= ~(Modifier.PUBLIC | Modifier.ABSTRACT);
String modif = Modifier.toString(modifiedModifiers);
if (modif.length() > 0)
writer.print(modif+" ");
if (isConstructor && isStatic())
writer.print(""); /* static block */
if (isConstructor
&& (isStatic()
|| (classAnalyzer.getName() == null
&& skipParams == methodType.getParameterTypes().length)))
writer.print(""); /* static block or unnamed constructor */
else {
if (declareAsConstructor)
writer.print(classAnalyzer.getName());
@ -307,8 +331,7 @@ public class MethodAnalyzer implements Analyzer {
for (int i=start; i<paramTypes.length; i++) {
if (i>start)
writer.print(", ");
writer.printType(param[i].getType());
writer.print(" "+param[i].getName());
param[i].dumpDeclaration(writer);
}
writer.print(")");
}

Write Preview
Loading…
Cancel
Save