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

Decompiler, JodeApplet and JodeWindow moved into decompile package

Browse Source 
makeDeclaration now transmits the done set over class borders


git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1202 379699f6-c40d-0410-875b-85095c16579e
branch_1_1
jochen 25 years ago
parent c5b840847b
commit 915439b1ff
12 changed files with 208 additions and 151 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. 4
      jode/jode/expr/Expression.java.in
  2. 26
      jode/jode/expr/FieldOperator.java.in
  3. 154
      jode/jode/expr/InvokeOperator.java.in
  4. 10
      jode/jode/expr/Operator.java.in
  5. 5
      jode/jode/expr/StoreInstruction.java
  6. 16
      jode/jode/flow/FlowBlock.java.in
  7. 15
      jode/jode/flow/IfThenElseBlock.java.in
  8. 16
      jode/jode/flow/InstructionContainer.java.in
  9. 50
      jode/jode/flow/LoopBlock.java.in
  10. 1
      jode/jode/flow/SpecialBlock.java
  11. 50
      jode/jode/flow/StructuredBlock.java.in
  12. 12
      jode/jode/flow/TransformConstructors.java

4
jode/jode/expr/Expression.java.in
Unescape View File

@ -23,6 +23,7 @@ import jode.GlobalOptions;
import jode.decompiler.TabbedPrintWriter;
import @COLLECTIONS@.Collection;
import @COLLECTIONS@.Set;
public abstract class Expression {
protected Type type;
@ -230,6 +231,9 @@ public abstract class Expression {
public void fillDeclarables(Collection used) {
}
public void makeDeclaration(Set done) {
}
public abstract void dumpExpression(TabbedPrintWriter writer)
throws java.io.IOException;

26
jode/jode/expr/FieldOperator.java.in
Unescape View File

@ -29,9 +29,9 @@ import jode.decompiler.MethodAnalyzer;
import jode.decompiler.ClassAnalyzer;
import jode.decompiler.MethodAnalyzer;
import jode.decompiler.FieldAnalyzer;
import jode.decompiler.Options;
import jode.decompiler.TabbedPrintWriter;
import jode.decompiler.Scope;
import jode.Decompiler;
import @COLLECTIONS@.Collection;
@ -157,21 +157,19 @@ public abstract class FieldOperator extends Operator {
InnerClassInfo outer = getOuterClassInfo(clazz);
ClassAnalyzer clazzAna = methodAnalyzer.getClassAnalyzer(clazz);
if ((Decompiler.options & Decompiler.OPTION_ANON) != 0
if ((Options.options & Options.OPTION_ANON) != 0
&& outer != null && outer.outer == null && outer.name != null
&& clazzAna != null
&& outer != null && (outer.outer == null || outer.name == null)) {
if (outer.name != null) {
if (clazzAna.getParent() == methodAnalyzer) {
/* This is a named method scope class, declare it.
* But first declare all method scoped classes,
* that are used inside; order does matter.
*/
clazzAna.fillDeclarables(used);
used.add(clazzAna);
}
}
&& clazzAna.getParent() == methodAnalyzer) {
/* This is a named method scope class, declare it.
* But first declare all method scoped classes,
* that are used inside; order does matter.
*/
clazzAna.fillDeclarables(used);
used.add(clazzAna);
}
super.fillDeclarables(used);
}
public void dumpExpression(TabbedPrintWriter writer)

154
jode/jode/expr/InvokeOperator.java.in
Unescape View File

@ -20,17 +20,17 @@
package jode.expr;
import java.lang.reflect.Modifier;
import jode.Decompiler;
import jode.decompiler.MethodAnalyzer;
import jode.decompiler.MethodAnalyzer;
import jode.decompiler.ClassAnalyzer;
import jode.decompiler.TabbedPrintWriter;
import jode.decompiler.Options;
import jode.decompiler.OuterValues;
import jode.decompiler.Scope;
import jode.GlobalOptions;
import jode.bytecode.*;
import jode.jvm.*;
import jode.type.*;
import jode.decompiler.Scope;
import jode.util.SimpleMap;
import java.lang.reflect.InvocationTargetException;
@ -39,6 +39,7 @@ import @COLLECTIONS@.Collections;
import @COLLECTIONS@.Collection;
import @COLLECTIONS@.Map;
import @COLLECTIONS@.Iterator;
import @COLLECTIONS@.Set;
public final class InvokeOperator extends Operator
implements MatchableOperator {
@ -175,7 +176,7 @@ public final class InvokeOperator extends Operator
public void checkAnonymousClasses() {
if (methodFlag != CONSTRUCTOR
|| (Decompiler.options & Decompiler.OPTION_ANON) == 0)
|| (Options.options & Options.OPTION_ANON) == 0)
return;
InnerClassInfo outer = getOuterClassInfo(getClassInfo());
if (outer != null && (outer.outer == null || outer.name == null)) {
@ -251,8 +252,8 @@ public final class InvokeOperator extends Operator
* inside the same base class as the caller class, null otherwise.
*/
public ClassAnalyzer getClassAnalyzer() {
if ((Decompiler.options &
(Decompiler.OPTION_ANON | Decompiler.OPTION_INNER)) == 0)
if ((Options.options &
(Options.OPTION_ANON | Options.OPTION_INNER)) == 0)
return null;
ClassInfo callee = getClassInfo();
@ -261,7 +262,7 @@ public final class InvokeOperator extends Operator
int nested = 0;
InnerClassInfo[] outers = callee.getOuterClasses();
if ((Decompiler.options & Decompiler.OPTION_INNER) != 0
if ((Options.options & Options.OPTION_INNER) != 0
&& outers != null) {
/* If the callee class is an inner class we take its
* (outermost) parent instead. This will assure that we
@ -288,12 +289,12 @@ public final class InvokeOperator extends Operator
if (ana.getParent() == null)
return null;
if (ana.getParent() instanceof MethodAnalyzer
&& (Decompiler.options & Decompiler.OPTION_ANON) != 0)
&& (Options.options & Options.OPTION_ANON) != 0)
ana = ((MethodAnalyzer) ana.getParent())
.getClassAnalyzer();
else if (ana.getParent() instanceof ClassAnalyzer
&& (Decompiler.options
& Decompiler.OPTION_INNER) != 0)
&& (Options.options
& Options.OPTION_INNER) != 0)
ana = (ClassAnalyzer) ana.getParent();
else
throw new jode.AssertError
@ -325,12 +326,12 @@ public final class InvokeOperator extends Operator
if (ana.getParent() == null)
break;
if (ana.getParent() instanceof MethodAnalyzer
&& (Decompiler.options & Decompiler.OPTION_ANON) != 0)
&& (Options.options & Options.OPTION_ANON) != 0)
ana = ((MethodAnalyzer) ana.getParent())
.getClassAnalyzer();
else if (ana.getParent() instanceof ClassAnalyzer
&& (Decompiler.options
& Decompiler.OPTION_INNER) != 0)
&& (Options.options
& Options.OPTION_INNER) != 0)
ana = (ClassAnalyzer) ana.getParent();
else
throw new jode.AssertError
@ -367,7 +368,7 @@ public final class InvokeOperator extends Operator
}
public boolean isConstant() {
if ((Decompiler.options & Decompiler.OPTION_ANON) == 0)
if ((Options.options & Options.OPTION_ANON) == 0)
return super.isConstant();
ClassInfo clazz = getClassInfo();
@ -545,7 +546,7 @@ public final class InvokeOperator extends Operator
result.addOperand(right);
result.addOperand(subExpressions[0].simplify());
}
else if ((Decompiler.options & Decompiler.OPTION_DECRYPT) != 0
else if ((Options.options & Options.OPTION_DECRYPT) != 0
&& isThis() && isStatic()
&& methodType.getParameterTypes().length == 1
&& methodType.getParameterTypes()[0].equals(Type.tString)
@ -700,63 +701,68 @@ public final class InvokeOperator extends Operator
InnerClassInfo outer = getOuterClassInfo(clazz);
ClassAnalyzer clazzAna = methodAnalyzer.getClassAnalyzer(clazz);
if ((Options.options & Options.OPTION_ANON) != 0
&& outer != null && outer.outer == null && outer.name != null
&& clazzAna != null
&& clazzAna.getParent() == methodAnalyzer) {
/* This is a named method scope class, declare it.
* But first declare all method scoped classes,
* that are used inside; order does matter.
*/
clazzAna.fillDeclarables(used);
used.add(clazzAna);
}
if (!isConstructor() || isStatic()) {
super.fillDeclarables(used);
return;
}
int arg = 1;
int length = subExpressions.length;
boolean jikesAnonymousInner = false;
if ((Decompiler.options & Decompiler.OPTION_ANON) != 0
if ((Options.options & Options.OPTION_ANON) != 0
&& clazzAna != null
&& outer != null && (outer.outer == null || outer.name == null)) {
if (outer.name != null) {
if (clazzAna.getParent() == methodAnalyzer) {
/* This is a named method scope class, declare it.
* But first declare all method scoped classes,
* that are used inside; order does matter.
*/
clazzAna.fillDeclarables(used);
used.add(clazzAna);
}
}
if (isConstructor()) {
OuterValues ov = clazzAna.getOuterValues();
arg += ov.getCount();
jikesAnonymousInner = ov.isJikesAnonymousInner();
for (int i=1; i< arg; i++) {
Expression expr = subExpressions[i];
if (expr instanceof CheckNullOperator) {
CheckNullOperator cno = (CheckNullOperator) expr;
OuterValues ov = clazzAna.getOuterValues();
arg += ov.getCount();
jikesAnonymousInner = ov.isJikesAnonymousInner();
for (int i=1; i< arg; i++) {
Expression expr = subExpressions[i];
if (expr instanceof CheckNullOperator) {
CheckNullOperator cno = (CheckNullOperator) expr;
expr = cno.subExpressions[0];
}
expr.fillDeclarables(used);
}
if (outer.name == null) {
/* This is an anonymous class */
ClassInfo superClazz = clazz.getSuperclass();
ClassInfo[] interfaces = clazz.getInterfaces();
if (interfaces.length == 1
&& (superClazz == null
|| superClazz == ClassInfo.javaLangObject)) {
clazz = interfaces[0];
} else {
clazz = (superClazz != null
? superClazz : ClassInfo.javaLangObject);
}
outer = getOuterClassInfo(clazz);
expr.fillDeclarables(used);
}
if (outer.name == null) {
/* This is an anonymous class */
ClassInfo superClazz = clazz.getSuperclass();
ClassInfo[] interfaces = clazz.getInterfaces();
if (interfaces.length == 1
&& (superClazz == null
|| superClazz == ClassInfo.javaLangObject)) {
clazz = interfaces[0];
} else {
clazz = (superClazz != null
? superClazz : ClassInfo.javaLangObject);
}
outer = getOuterClassInfo(clazz);
}
}
if (isConstructor()
&& (Decompiler.options & Decompiler.OPTION_INNER) != 0
if ((Options.options & Options.OPTION_INNER) != 0
&& outer != null && outer.outer != null && outer.name != null
&& !Modifier.isStatic(outer.modifiers)) {
Expression outerExpr = jikesAnonymousInner
? subExpressions[--length]
: subExpressions[arg++];
? subExpressions[--length]
: subExpressions[arg++];
if (outerExpr instanceof CheckNullOperator) {
CheckNullOperator cno = (CheckNullOperator) outerExpr;
outerExpr = cno.subExpressions[0];
@ -767,6 +773,27 @@ public final class InvokeOperator extends Operator
subExpressions[i].fillDeclarables(used);
}
/**
* We add the named method scoped classes to the declarables, and
* only fillDeclarables on the parameters we will print.
*/
public void makeDeclaration(Set done) {
super.makeDeclaration(done);
if (isConstructor() && !isStatic()
&& (Options.options & Options.OPTION_ANON) != 0) {
ClassInfo clazz = getClassInfo();
InnerClassInfo outer = getOuterClassInfo(clazz);
ClassAnalyzer clazzAna = methodAnalyzer.getClassAnalyzer(clazz);
if (clazzAna != null && outer != null && outer.name == null) {
/* call makeDeclaration on the anonymous class, since
* _we_ will declare the anonymous class. */
clazzAna.makeDeclaration(done);
}
}
}
/* Invokes never equals: they may return different values even if
* they have the same parameters.
*/
@ -798,8 +825,8 @@ public final class InvokeOperator extends Operator
if (outer != null && outer.name == null)
anonymousNew = true;
clazzAna = methodAnalyzer.getClassAnalyzer(clazz);
if ((~Decompiler.options &
(Decompiler.OPTION_ANON | Decompiler.OPTION_CONTRAFO)) == 0
if ((~Options.options &
(Options.OPTION_ANON | Options.OPTION_CONTRAFO)) == 0
&& clazzAna != null
&& outer != null
&& (outer.outer == null || outer.name == null)) {
@ -846,9 +873,9 @@ public final class InvokeOperator extends Operator
*/
if (outer != null && outer.outer != null && outer.name != null
&& !Modifier.isStatic(outer.modifiers)
&& (~Decompiler.options &
(Decompiler.OPTION_INNER
| Decompiler.OPTION_CONTRAFO)) == 0) {
&& (~Options.options &
(Options.OPTION_INNER
| Options.OPTION_CONTRAFO)) == 0) {
Expression outerExpr = jikesAnonymousInner
? subExpressions[--length]
@ -914,10 +941,7 @@ public final class InvokeOperator extends Operator
break;
}
case SPECIAL:
if (subExpressions[0] instanceof ThisOperator
&& (((ThisOperator)subExpressions[0]).getClassInfo()
== methodAnalyzer.getClazz())) {
if (isSuperOrThis()) {
if (!isThis()) {
/* We don't have to check if this is the real super
* class, as long as ACC_SUPER is set.

10
jode/jode/expr/Operator.java.in
Unescape View File

@ -23,6 +23,7 @@ import jode.GlobalOptions;
import jode.decompiler.TabbedPrintWriter;
import @COLLECTIONS@.Collection;
import @COLLECTIONS@.Set;
public abstract class Operator extends Expression {
/* Don't reorder these constants unless you know what you are doing! */
@ -172,13 +173,16 @@ public abstract class Operator extends Expression {
}
public void fillDeclarables(Collection used) {
if (this instanceof LocalVarOperator) {
used.add(((LocalVarOperator) this).getLocalInfo());
}
for (int i=0; i< subExpressions.length; i++)
subExpressions[i].fillDeclarables(used);
}
public void makeDeclaration(Set done) {
for (int i=0; i< subExpressions.length; i++)
subExpressions[i].makeDeclaration(done);
}
/**
* Checks if the value of the given expression can change, due to
* side effects in this expression. If this returns false, the

5
jode/jode/expr/StoreInstruction.java
Unescape View File

@ -89,8 +89,9 @@ public class StoreInstruction extends Operator
ConstOperator one = (ConstOperator) subExpressions[1];
if ((getOperatorIndex() == OPASSIGN_OP+ADD_OP ||
getOperatorIndex() == OPASSIGN_OP+SUB_OP) &&
((Number)one.getValue()).doubleValue() == 1.0) {
getOperatorIndex() == OPASSIGN_OP+SUB_OP)
&& one.getValue() instanceof Number
&& ((Number)one.getValue()).doubleValue() == 1.0) {
int op = (getOperatorIndex() == OPASSIGN_OP+ADD_OP)
? INC_OP : DEC_OP;

16
jode/jode/flow/FlowBlock.java.in
Unescape View File

@ -1612,23 +1612,13 @@ public class FlowBlock {
/**
* Make declarations. It will determine, where in each block the
*
* variables and method scoped classes must be declared.
*/
public void makeDeclaration() {
public void makeDeclaration(Set done) {
block.propagateUsage();
Set done = new SimpleSet();
done.addAll(in);
block.makeDeclaration(done);
if (nextByAddr != null)
nextByAddr.makeDeclaration();
}
/**
* Make declarations. It will determine, where in each block the
*
*/
public void makeDeclaration(LocalInfo[] param) {
makeDeclaration();
nextByAddr.makeDeclaration(done);
}
/**

15
jode/jode/flow/IfThenElseBlock.java.in
Unescape View File

@ -140,6 +140,21 @@ public class IfThenElseBlock extends StructuredBlock {
return used;
}
/**
* Make the declarations, i.e. initialize the declare variable
* to correct values. This will declare every variable that
* is marked as used, but not done.<br>
*
* This will now also combine locals, that use the same slot, have
* compatible types and are declared in the same block. <br>
*
* @param done The set of the already declare variables.
*/
public void makeDeclaration(Set done) {
cond.makeDeclaration(done);
super.makeDeclaration(done);
}
/**
* Print the source code for this structured block. This may be
* called only once, because it remembers which local variables

16
jode/jode/flow/InstructionContainer.java.in
Unescape View File

@ -44,6 +44,22 @@ public abstract class InstructionContainer extends StructuredBlock {
setJump(jump);
}
/**
* Make the declarations, i.e. initialize the declare variable
* to correct values. This will declare every variable that
* is marked as used, but not done.<br>
*
* This will now also combine locals, that use the same slot, have
* compatible types and are declared in the same block. <br>
*
* @param done The set of the already declare variables.
*/
public void makeDeclaration(Set done) {
if (instr != null)
instr.makeDeclaration(done);
super.makeDeclaration(done);
}
/**
* This method should remove local variables that are only written
* and read one time directly after another. <br>

50
jode/jode/flow/LoopBlock.java.in
Unescape View File

@ -199,6 +199,28 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
this.type = type;
}
/**
* Replaces the given sub block with a new block.
* @param oldBlock the old sub block.
* @param newBlock the new sub block.
* @return false, if oldBlock wasn't a direct sub block.
*/
public boolean replaceSubBlock(StructuredBlock oldBlock,
StructuredBlock newBlock) {
if (bodyBlock == oldBlock)
bodyBlock = newBlock;
else
return false;
return true;
}
/**
* Returns all sub block of this structured block.
*/
public StructuredBlock[] getSubBlocks() {
return new StructuredBlock[] { bodyBlock };
}
/**
* Remove all variables from set, that we can declare inside the
* loop-block. This is the initializer for for-blocks.
@ -225,28 +247,6 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
return used;
}
/**
* Replaces the given sub block with a new block.
* @param oldBlock the old sub block.
* @param newBlock the new sub block.
* @return false, if oldBlock wasn't a direct sub block.
*/
public boolean replaceSubBlock(StructuredBlock oldBlock,
StructuredBlock newBlock) {
if (bodyBlock == oldBlock)
bodyBlock = newBlock;
else
return false;
return true;
}
/**
* Returns all sub block of this structured block.
*/
public StructuredBlock[] getSubBlocks() {
return new StructuredBlock[] { bodyBlock };
}
/**
* Check if this is an local store instruction to a not yet declared
* variable. In that case mark this as declaration and return the
@ -278,6 +278,12 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
* @param done The set of the already declare variables.
*/
public void makeDeclaration(Set done) {
if (type == FOR) {
if (initInstr != null)
initInstr.makeDeclaration(done);
incrInstr.makeDeclaration(done);
}
cond.makeDeclaration(done);
super.makeDeclaration(done);
if (type == FOR && initInstr != null)
checkDeclaration(declare);

1
jode/jode/flow/SpecialBlock.java
Unescape View File

@ -19,7 +19,6 @@
package jode.flow;
import jode.decompiler.TabbedPrintWriter;
import jode.Decompiler;
import jode.expr.*;
/**

50
jode/jode/flow/StructuredBlock.java.in
Unescape View File

@ -23,6 +23,7 @@ import jode.GlobalOptions;
import jode.decompiler.TabbedPrintWriter;
import jode.decompiler.LocalInfo;
import jode.decompiler.Declarable;
import jode.decompiler.ClassAnalyzer;
import jode.util.SimpleSet;
import @COLLECTIONS@.Collections;
@ -464,31 +465,27 @@ public abstract class StructuredBlock {
if (!(previous instanceof LocalInfo))
continue;
LocalInfo prevLocal = (LocalInfo) previous;
if (prevLocal.getSlot() == local.getSlot()) {
/* XXX - I have to think about this...
* there may be a case where this leads to type errors.
* TODO: Give a formal proof ;-)
* One bad thing that may happen is that the name
* of prevLocal (it has already a name) doesn't match
* the intersected type.
*
* We don't want to merge variables, whose names
* are not generated by us and differ. And we
* don't want to merge special locals that have a
* constant expression, e.g. this.
*/
if (prevLocal.getType().isOfType(local.getType())
&& (prevLocal.isNameGenerated()
|| local.isNameGenerated()
|| localName.equals(prevLocal.getName()))
&& !prevLocal.isFinal()
&& !local.isFinal()
&& prevLocal.getExpression() == null
&& local.getExpression() == null) {
local.combineWith(prevLocal);
continue next_used;
}
/* We only merge locals living in the same
* method and having the same slot.
*
* We don't want to merge variables, whose names
* are not generated by us and differ. And we
* don't want to merge special locals that have a
* constant expression, e.g. this.
*/
if (prevLocal.getMethodAnalyzer()
== local.getMethodAnalyzer()
&& prevLocal.getSlot() == local.getSlot()
&& prevLocal.getType().isOfType(local.getType())
&& (prevLocal.isNameGenerated()
|| local.isNameGenerated()
|| localName.equals(prevLocal.getName()))
&& !prevLocal.isFinal()
&& !local.isFinal()
&& prevLocal.getExpression() == null
&& local.getExpression() == null) {
local.combineWith(prevLocal);
continue next_used;
}
}
}
@ -500,11 +497,14 @@ public abstract class StructuredBlock {
if (declarable.getName().equals(previous.getName())) {
/* A name conflict happened. */
declarable.makeNameUnique();
break;
}
}
}
done.add(declarable);
declare.add(declarable);
if (declare instanceof ClassAnalyzer)
((ClassAnalyzer) declare).makeDeclaration(done);
}
StructuredBlock[] subs = getSubBlocks();
for (int i=0; i<subs.length; i++)

12
jode/jode/flow/TransformConstructors.java
Unescape View File

@ -20,12 +20,12 @@
package jode.flow;
import java.lang.reflect.Modifier;
import jode.GlobalOptions;
import jode.Decompiler;
import jode.decompiler.Analyzer;
import jode.decompiler.ClassAnalyzer;
import jode.decompiler.MethodAnalyzer;
import jode.decompiler.FieldAnalyzer;
import jode.decompiler.MethodAnalyzer;
import jode.decompiler.Options;
import jode.decompiler.OuterValues;
import jode.decompiler.OuterValueListener;
import jode.expr.*;
@ -241,7 +241,7 @@ public class TransformConstructors {
InvokeOperator superCall = (InvokeOperator) expr;
Expression[] subExpr = superCall.getSubExpressions();
/* An anonymous constructor may also give locals
/* An anonymous constructor may only give locals
* to its super constructor.
*/
for (int i = 1; i < subExpr.length; i++) {
@ -577,7 +577,7 @@ public class TransformConstructors {
return null;
}
if (outerValues != null
&& (Decompiler.options & Decompiler.OPTION_CONTRAFO) != 0) {
&& (Options.options & Options.OPTION_CONTRAFO) != 0) {
int slot = ((LocalLoadOperator)expr).getLocalInfo().getSlot();
Expression outExpr = outerValues.getValueBySlot(slot);
if (outExpr != null)
@ -604,7 +604,7 @@ public class TransformConstructors {
}
public void removeSynthInitializers() {
if ((Decompiler.options & Decompiler.OPTION_CONTRAFO) == 0
if ((Options.options & Options.OPTION_CONTRAFO) == 0
|| isStatic || type01Count == 0)
return;
@ -852,7 +852,7 @@ public class TransformConstructors {
InnerClassInfo[] outers = superClazz.getOuterClasses();
int superParamCount = superInvoke.getSubExpressions().length - 1;
if ((Decompiler.options & Decompiler.OPTION_INNER) != 0
if ((Options.options & Options.OPTION_INNER) != 0
&& outers != null
&& outers[0].outer != null
&& outers[0].name != null
@ -995,7 +995,7 @@ public class TransformConstructors {
* outerValue - locals).
*/
public void transform() {
if ((Decompiler.options & Decompiler.OPTION_CONTRAFO) == 0
if ((Options.options & Options.OPTION_CONTRAFO) == 0
|| cons.length == 0)
return;

Write Preview
Loading…
Cancel
Save