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

ConstantAnalyzer: Fixed a bug (but it is much slower now).

Browse Source 
ModifierMatcher: implement OptionHandler.
StrongRenamer: handle charsetClass, etc. correctly
StrongRenamer: don't rename to java keywords
Makefile optimized


git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1221 379699f6-c40d-0410-875b-85095c16579e
branch_1_1
jochen 25 years ago
parent 6ea8124cad
commit 2bc051bee9
4 changed files with 74 additions and 34 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. 28
      jode/jode/obfuscator/modules/ConstantAnalyzer.java.in
  2. 4
      jode/jode/obfuscator/modules/Makefile.am
  3. 3
      jode/jode/obfuscator/modules/ModifierMatcher.java.in
  4. 73
      jode/jode/obfuscator/modules/StrongRenamer.java.in

28
jode/jode/obfuscator/modules/ConstantAnalyzer.java.in
Unescape View File

@ -1,4 +1,4 @@
/* ConstantAnalyzer Copyright (C) 1999 Jochen Hoenicke.
/* ConstantAnalyzer Copyright (C) 1999, 2000 Jochen Hoenicke.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -227,7 +227,7 @@ public class ConstantAnalyzer implements Opcodes, CodeAnalyzer {
if (value == null ? other.value == null
: value.equals(other.value)) {
if (value != VOLATILE) {
// other.addConstantListener(this);
other.addConstantListener(this);
this.addConstantListener(other);
}
return;
@ -280,7 +280,9 @@ public class ConstantAnalyzer implements Opcodes, CodeAnalyzer {
ConstValue[] locals,
TodoQueue notifyQueue) {
this.stack = stack;
this.locals = locals;
this.locals = new ConstValue[locals.length];
for (int i=0; i< locals.length; i++)
this.locals[i] = copy(locals[i]);
this.notifyQueue = notifyQueue;
}
@ -446,6 +448,7 @@ public class ConstantAnalyzer implements Opcodes, CodeAnalyzer {
for (int i=0; i < locals.length; i++) {
if (locals[i] != null) {
if (other.locals[i] == null) {
locals[i].constantChanged();
locals[i] = null;
enqueue();
} else {
@ -514,6 +517,21 @@ public class ConstantAnalyzer implements Opcodes, CodeAnalyzer {
((StackLocalInfo)instr.getTmpInfo()).merge(info);
}
private ClassInfo canonizeIfaceRef(ClassInfo clazz, Reference ref) {
while (clazz != null) {
if (clazz.findMethod(ref.getName(), ref.getType()) != null)
return clazz;
ClassInfo[] ifaces = clazz.getInterfaces();
for (int i = 0; i < ifaces.length; i++) {
ClassInfo realClass = canonizeIfaceRef(ifaces[i], ref);
if (realClass != null)
return realClass;
}
clazz = clazz.getSuperclass();
}
return null;
}
public Identifier canonizeReference(Instruction instr) {
Reference ref = instr.getReference();
Identifier ident = Main.getClassBundle().getIdentifier(ref);
@ -538,7 +556,9 @@ public class ConstantAnalyzer implements Opcodes, CodeAnalyzer {
(clName.substring(1, clName.length()-1)
.replace('/','.'));
}
if (instr.getOpcode() >= opc_invokevirtual) {
if (instr.getOpcode() == opc_invokeinterface) {
clazz = canonizeIfaceRef(clazz, ref);
} else if (instr.getOpcode() >= opc_invokevirtual) {
while (clazz != null
&& clazz.findMethod(ref.getName(),
ref.getType()) == null)

4
jode/jode/obfuscator/modules/Makefile.am
Unescape View File

@ -8,7 +8,7 @@ JAVADEP = $(top_builddir)/javaDependencies.pl -subdir=$(subdir)\
CLASSPATH = @CLASSPATH@
CLASSLIB = @CLASSLIB@
SUBSTCP = @SUBSTCP@
BUILD_CLASSPATH = $(top_srcdir):$(top_builddir):$(CLASSPATH):$(CLASSLIB)
FULL_CLASSPATH := $(shell $(SUBSTCP) $(top_srcdir):$(top_builddir):$(CLASSPATH):$(CLASSLIB))
MY_JAVA_FILES = \
ConstantAnalyzer.java \
@ -31,7 +31,7 @@ EXTRA_DIST = $(MY_JAVA_FILES)
@QUOTE@-include Makefile.dep
%.class: %.java
$(JAVAC) -classpath `$(SUBSTCP) $(BUILD_CLASSPATH):$(CLASSLIB)` -d $(top_builddir) $<
$(JAVAC) -classpath $(FULL_CLASSPATH) -d $(top_builddir) $<
Makefile.dep: $(MY_JAVA_FILES:.java=.class)
$(JAVADEP) $^

3
jode/jode/obfuscator/modules/ModifierMatcher.java.in
Unescape View File

@ -23,12 +23,13 @@ import jode.obfuscator.Identifier;
import jode.obfuscator.ClassIdentifier;
import jode.obfuscator.FieldIdentifier;
import jode.obfuscator.MethodIdentifier;
import jode.obfuscator.OptionHandler;
import java.lang.reflect.Modifier;
import @COLLECTIONS@.Collection;
import @COLLECTIONS@.Iterator;
public class ModifierMatcher implements IdentifierMatcher, Cloneable {
public class ModifierMatcher implements IdentifierMatcher, OptionHandler, Cloneable {
static final int PUBLIC = Modifier.PUBLIC;
static final int PROTECTED = Modifier.PROTECTED;
static final int PRIVATE = Modifier.PRIVATE;

73
jode/jode/obfuscator/modules/StrongRenamer.java.in
Unescape View File

@ -1,4 +1,4 @@
/* StrongRenamer Copyright (C) 1999 Jochen Hoenicke.
/* StrongRenamer Copyright (C) 1999, 2000 Jochen Hoenicke.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -32,6 +32,18 @@ public class StrongRenamer implements Renamer, OptionHandler {
};
String charsets[][];
String javaKeywords[] = {
"abstract", "default", "if", "private", "throw", "boolean",
"do", "implements", "protected", "throws", "break", "double",
"import", "public", "transient", "byte", "else", "instanceof",
"return", "try", "case", "extends", "int", "short", "void",
"catch", "final", "interface", "static", "volatile", "char",
"finally", "long", "super", "while", "class", "float",
"native", "switch", "const", "for", "new", "synchronized",
"continue", "goto", "package", "this", "strictfp", "null",
"true", "false"
};
public StrongRenamer() {
charsets = new String[idents.length][parts.length];
for (int i=0; i< idents.length; i++)
@ -87,16 +99,14 @@ public class StrongRenamer implements Renamer, OptionHandler {
int identType;
if (ident instanceof PackageIdentifier)
identType = 0;
else if (ident instanceof PackageIdentifier)
identType = 1;
else if (ident instanceof ClassIdentifier)
identType = 2;
identType = 1;
else if (ident instanceof FieldIdentifier)
identType = 3;
identType = 2;
else if (ident instanceof MethodIdentifier)
identType = 4;
identType = 3;
else if (ident instanceof LocalIdentifier)
identType = 5;
identType = 4;
else
throw new IllegalArgumentException(ident.getClass().getName());
final String[] theCharset = charsets[identType];
@ -114,29 +124,38 @@ public class StrongRenamer implements Renamer, OptionHandler {
headIndex = 0;
return new String(name);
}
if (++headIndex < theCharset[0].length()) {
name[0] = theCharset[0].charAt(headIndex);
return new String(name);
}
headIndex = 0;
name[0] = theCharset[0].charAt(0);
String charset = theCharset[1];
for (int pos = 1; pos < name.length; pos++) {
int index = charset.indexOf(name[pos]) + 1;
if (index < charset.length()) {
name[pos] = charset.charAt(index);
next_name:
while (true) {
if (++headIndex < theCharset[0].length()) {
name[0] = theCharset[0].charAt(headIndex);
return new String(name);
}
name[pos] = charset.charAt(0);
}
headIndex = 0;
name[0] = theCharset[0].charAt(0);
String charset = theCharset[1];
for (int pos = 1; pos < name.length; pos++) {
int index = charset.indexOf(name[pos]) + 1;
if (index < charset.length()) {
name[pos] = charset.charAt(index);
return new String(name);
}
name[pos] = charset.charAt(0);
}
name = new char[name.length+1];
name[0] = theCharset[0].charAt(0);
char firstCont = theCharset[1].charAt(0);
for (int i=1; i <name.length; i++)
name[i] = firstCont;
return new String(name);
name = new char[name.length+1];
name[0] = theCharset[0].charAt(0);
char firstCont = theCharset[1].charAt(0);
for (int i=1; i <name.length; i++)
name[i] = firstCont;
String next = new String(name);
for (int i = 0; i < javaKeywords.length; i++) {
if (next.equals(javaKeywords[i]))
continue next_name;
}
return next;
}
}
public void remove() {

Write Preview
Loading…
Cancel
Save