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jode/jode/ChangeLog

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2007-07-31 Jochen Hoenicke <hoenicke@gmail.com>
* jode/bytecode/ClassInfo.java.in:
(readAttribute): Never read in known attributes as unknown
attributes. This could happen before when class was first read with
known info and then again with all info.
* jode/bytecode/MethodInfo.java: (readAttribute): Likewise.
* jode/bytecode/FieldInfo.java: (readAttribute): Likewise.
* jode/bytecode/BytecodeInfo.java.in: (readAttribute): Likewise.
* jode/obfuscator/ClassIdentifier.java: (doTransformation): Remove
all unknown attributes. They may contain references to
nonexisting constant pool entries.
* jode/obfuscator/PackageIdentifier.java: (loadClass): Fix a
compile time bug in the last patch.
2005-09-13 Jochen Hoenicke <jochen@gnu.org>
Check for NullPointer in SyntheticAnalyzer. Based on
patch suggessted by Peter Klauser (klp at users.sf.net).
* jode/jvm/SyntheticAnalyzer.java.in:
(checkStaticAccess): Check refField for null pointer.
(checkAccess): Likewise.
2005-09-13 Jochen Hoenicke <jochen@gnu.org>
Added patch from Peter Klauser (klp at users.sf.net), to support
packages with same name as classes in the obfuscator.
* jode/obfuscator/PackageIdentifier.java.in
(loadedPackages): New field, to store packages in separate map.
(getIdentifier): Renamed to...
(getClassIdentifier): ...this (and return only ClassIdentifier).
(setLoadOnDemand): Use loadedPackages.
(loadClass): Likewise.
(loadMatchingClass): Likewise.
(readTable): Likewise.
(getChilds): Likewise.
(contains): Likewise.
2003-06-11 Jochen Hoenicke <jochen@gnu.org>
Added patch from Thomas Oldervoll, to continue decompiling
after errors.
* jode/decompiler/Main.java (decompileClass): Handle all
exceptions and add names of failed classes to a vector.
(printSummary): New function.
(main): call printSummary.
2002-11-24 Jochen Hoenicke <jochen@gnu.org>
* jode/bytecode/ClassInfo.java.in (deprecatedFlag): Added flag
for deprecated classes. Stuart Ballard noticed that this was
missing.
(readAttribute): Read deprecated attribute.
(prepareWriting): Prepare deprecated attribute.
(writeKnownAttributes): Write deprecated attribute.
(isDeprected): New function.
(setDeprecated): Likewise.
2002-06-11 Jochen Hoenicke <jochen@gnu.org>
* configure.in: Set version number to 1.1.2.
* jode/bytecode/BytecodeInfo.java.in (readAttribute): Fix the
exception handlers that javac 1.4 produces: I simply shorten
the start/end interval, so that the catcher is not in the end
interval.
2002-02-25 Jochen Hoenicke <jochen@gnu.org>
* jode/bytecode/ClassInfo.java.in (read): Don't check for a
maximum version anymore. Sun changes it with every release without
changing the bytecode format.
2002-02-08 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/ClassIdentifier.java.in (transformInnerClasses):
Bug fix: Added missing checks for STRIP_UNREACH.
* jode/obfuscator/MethodIdentifier.java.in (doTransformation):
Don't run analyzer on unreachable methods. Previously the
ConstantAnalyzer assumed that the instructions are not reachable
and removed them all leading to illegal bytecode.
2002-02-01 Jochen Hoenicke <jochen@gnu.org>
* jode/flow/CreateAssignExpression.java (createAssignOp):
Bug fix: Check whether store is already a op-assign and break out.
* jode/expr/StoreInstruction.java (isOpAssign): New function to
check whether this is an op-assign.
2002-01-16 Jochen Hoenicke <jochen@gnu.org>
Fixes by anonymous for SerializePreserver:
* jode/obfuscator/ClassIdentifier.java.in (isSerializable):
The Serializable interface lives in java.io not in java.lang.
* jode/obfuscator/modules/SerializePreserver.java.in:
This class needs to implement OptionHandler.
2001-11-29 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/modules/MultiIdentifierMatcher.java.in
(getNextComponent): Fixed a (noncritical) bug, submitted
by Sergio (koker at users.sf.net).
2001-08-12 Jochen Hoenicke <jochen@gnu.org>
* configure.in: Set version number to 1.1.1.
2001-08-12 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/Identifier.java.in (writeTable): New boolean
parameter specifying if reversed or not.
* jode/obfuscator/ClassBundle.java.in: Renamed the table file
variables, added outTableFile.
(setOption): Support outtable, intable and outrevtable.
Support verbose.
(writeTable): Writes table unreversed.
(writeRevTable): New method, Writes table reversed.
* jode/obfuscator/Main.java.in: (rand): New variable.
* jode/obfuscator/PackageIdentifier.java.in: Use Main.rand instead
of definining its own random.
* jode/obfuscator/ClassIdentifier.java.in: likewise.
* jode/flow/FlowBlock.java.in:
(checkConsistent): Allow lastModified in a finally block.
* jode/flow/TransformExceptionHandlers.java.in: Reworked exception
handlers again. This time checked with javac 1.3, javac 1.1 and
jikes.
(checkTryCatchOrder): New method that was previously part of
analyze.
(analyze): Use checkTryCatchOrder. Don't merge try and catch flow
blocks anymore, leave it to the analyzeXXX methods.
(mergeTryCatch): New method.
(analyzeCatchBlock): Get catchFlow as parameter. Call
mergeTryCatch.
(transformSubroutine): Handle POP-only subroutines.
(removeJSR): Don't do special case for catchBlock any more. This
is because catchFlow isn't yet merged when this method is called.
(checkAndRemoveJSR): Likewise.
(checkAndRemoveMonitorExit): Likewise. Merge subroutine only if
we are the only predecessor.
(analyzeSynchronized): Get catchFlow as parameter. Call
mergeTryCatch.
(mergeFinallyBlocks): New method, calls mergeTryCatch and does the
common part of mergeFinally and mergeSpecialFinally.
(analyzeFinally): Simplified, after checking and removing JSR, it
does immediately analyze and transform subroutine to get the
finallyBlock. Then it throws away the catchFlow and calls
mergeFinallyBlocks.
(analyzeSpecialFinally): Simplified, after checking it only handles
the jumps in the try part and then call mergeFinallyBlocks.
2001-08-10 Jochen Hoenicke <jochen@gnu.org>
* configure.in: Changed bash syntax to more compatible (but
slower) syntax. Fixes bug #448909.
2001-08-09 Jochen Hoenicke <jochen@gnu.org>
* jode/expr/InvokeOperator.java.in (dumpExpression): Fixed the
check for null outerExpr.
2001-07-27 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/Main.java.in (stripping): Initialize to 0 which
means strip nothing. This is necessary because there is no way
to turn off stripping.
2001-07-11 Jochen Hoenicke <jochen@gnu.org>
* jode/flow/CatchBlock.java.in (combineLocal): Added more checks
if LocalStoreOperator is of the right form.
2001-07-10 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/modules/SimpleAnalyzer.java.in:
Ported fix from ConstantAnalyzer:
(canonizeReference): for interfaces call canonizeIfaceReference.
(canonizeIfaceReference): new method.
* jode/obfuscator/modules/ConstantAnalyzer.java.in:
made sub class of SimpleAnalyzer.
(canonizeReference): Removed, since its inherited.
(canonizeIfaceReference): dito.
2001-07-08 Jochen Hoenicke <jochen@gnu.org>
* jode/bytecode/BytecodeInfo.java.in (calculateMaxStack): Handle special case for empty method. Previous code would just crash.
2001-06-15 Jochen Hoenicke <jochen@gnu.org>
* jode/jvm/SyntheticAnalyzer.java.in:
(checkGetClass): Ignore nop opcodes.
(checkStaticAccess): Likewise.
(checkAccess): Likewise.
(checkConstructorAccess): Likewise.
* jode/flow/TransformConstructors.java (Constructor): Ignore
OuterValues for static constructor.
* jode/expr/NewArrayOperator.java (dumpExpression): Added
a missing breakOp.
* jode/expr/CompareToIntOperator.java (dumpExpression): Likewise.
2001-06-01 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/modules/ConstantAnalyzer.java.in:
(analyzeCode): set field listener of RuntimeEnvironment.
(replaceWith): Fixed the invoke_xxx case.
* jode/obfuscator/ConstantRuntimeEnvironment.java.in:
(getField): add current field listener to field if constant value
was used.
(currentFieldAnalyzer): New field.
(setFieldAnalyzer): New method.
2001-05-27 Jochen Hoenicke <jochen@gnu.org>
* configure.in: Set version to 1.1.
* jode/decompiler/Main.java (main): Also use bootclasspath if no
classpath given.
* jode/swingui/Main.java (main): Likewise.
* jode/decompiler/MethodAnalyzer.java.in (skipWriting): Don't skip
empty constructor that have a throws clause.
* configure.in: Determine whether jdk1.1 resp. jdk1.2. Call jcpp
in config.status.
* jode/expr/Expression.java.in (makeInitializer): Now takes the
type of the initialization. Changed all callers.
* jode/expr/ConstantArrayOperator.java (makeInitializer): Check
that type is our array type, otherwise we can't omit new Array[].
* jode/decompiler/LocalInfo.java (markFinal): Don't check that
only one write is present. If two writes are in an then and an
else branch of an if, the local can still be final.
* jode/type/ArrayType.java (getSubType): Handle array of integer
types correctly: byte[] is something completely different than
int[].
(getSuperType): Likewise.
* jode/expr/FieldOperator.java.in (getFieldInfo): New function.
(needsCast): A cast is also needed if the field is private or
package scope and the current type can't access the field.
* jode/expr/InvokeOperator.java.in (getMethodInfo): New function.
(needsCast): A cast is also needed if the method is private or
package scope and the current type can't access the method.
* jode/expr/ArrayStoreOperator.java (dumpExpression): Check if a
cast of the array expression is needed.
* jode/expr/TransformConstructors.java
(transformFieldInitializers): Don't allow moving method invocations
that throw a checked exception.
* jode/bytecode/MethodInfo.java (readAttribute): Read Exceptions
attribute even when not all attributes should be read. They are
needed by TransformConstructors, see above.
2001-05-26 Jochen Hoenicke <jochen@gnu.org>
* jode/decompiler/TabbedPrintWriter.java (saveOps): Don't allow
line breaks in not completed expressions since implicit parentheses
would destroy the syntax. No need to put line break option on stack.
(restoreOps): Adapted Stack format.
* jode/decompiler/ClassAnalyzer.java.in (dumpDeclaration): Moved
Code from dumpSource here. Don't put a line break after closing
brace.
(dumpSource): call dumpDeclaration and add a line break.
(dumpBlock): Moved dropInfo(ATTRIBS) here.
* jode/decompiler/ClassAnalyzer.java.in (STRICTFP): New Constant.
(isStrictFP): New function.
(initialize): Set strictfp modifier if a constructor has it set.
(dumpSource): Handle strictfp modifier.
* jode/decompiler/MethodAnalyzer.java.in (STRICTFP): New Constant.
(isStrictFP): New function.
(dumpSource): Handle strictfp modifier.
* jode/jvm/SyntheticAnalyzer.java.in (checkAccess): Check for a
special putfield access, where the set value is returned. Allow
the modifier of field/method to be protected and the class to be
a superclass.
(checkStaticAccess): Likewise.
(ACCESSDUPPUTFIELD): New Constant.
(ACCESSDUPPUTSTATIC): New Constant.
* jode/expr/InvokeOperator.java.in (simplifyAccess): Handle new
synthetics.
* jode/flow/SpecialBlock.java (removePop): Remove pop also for
non void store instructions.
* jode/decompiler/MethodAnalyzer.java.in (skipWriting): Also skip
the new synthetics.
* jode/decompiler/Main.java (main): Call System.exit() after
everything was compiled.
* jode/flow/TransformExceptionHandlers.java.in (removeJSR):
Renamed back from removeBadJSR (see patch from 2001-02-04). The
checkAndRemove* functions mustn't change the successors while they
iterate over them. Instead of removing good jsr they mark them as
good and removeJSR will finally remove them.
(checkAndRemoveJSR): See above.
(checkAndRemoveMonitorExit): See above.
* jode/flow/JsrBlock.java (good): New variable, see above.
(setGood): New method.
(isGood): New method.
2001-05-08 Jochen Hoenicke <jochen@gnu.org>
* jode/jvm/CodeVerifier.java.in (doVerify): Don't check for
uninitialized objects in local or stack slots on backwards jump or
exception blocks. Sun's jdk also doesn't check it, and I never
understood why it is necessary. But see JVM Spec 4.9.4.
2001-05-02 Jochen Hoenicke <jochen@gnu.org>
* jode/obfuscator/modules/ConstantAnalyzer.java.in (handleOpcode):
Added divide by zero checks for opc_irem and opc_lrem.
2001-04-11 Jochen Hoenicke <jochen@gnu.org>
* jode/type/ClassInterfacesType.java (keywords): Reworked keyword
list.
* jode/decompiler/OuterValues.java (implicitOuterClass): New field.
(isImplicitOuterClass): new Method.
(setImplicitOuterClass): new Method.
* jode/flow/TransformConstructors.java (checkAnonymousConstructor):
Check for implicitOuterClass, a new javac 1.3 construct.
* jode/expr/FieldOperator.java.in (dumpSource): Removed this
simplification nonesense. Now Outer.this is never printed as
this.
* jode/expr/InvokeOperator.java.in (dumpSource): Removed this
simplification nonesense. Now Outer.this is never printed as
this.
Handle implicitOuterClass.
2001-04-10 Jochen Hoenicke <jochen@gnu.org>
* jode/decompiler/Main.java (usage): Reworked usage message.
2001-04-09 Jochen Hoenicke <jochen@gnu.org>
* jode/bytecode/SearchPath.java: Bug fixes from Joe Bronkema:
(exists): Don't replace '/' with fileSeparator in original
filename; make a copy instead.
(getFile): likewise.
(isDirectory): likewise.
(listFiles): Reset fileNr when a new directory is read.
2001-02-28 Jochen Hoenicke <jochen@gnu.org>
* acinclude.m4 (JODE_CHECK_CLASS): Changed "test -e" to "-f" since
-e is not supported on all architectures (Solaris) and -f is more
correct anyway.
Reported by Erik Mod<EFBFBD>n.
2001-02-27 Jochen Hoenicke <jochen@gnu.org>
* jode/swingui/Main.java.in (AreaWriter): Convert all kinds of
line breaks (CR+LF, CR, LF) to a LF character, which a JTextArea
understands.
2001-02-08 Jochen Hoenicke <jochen@gnu.org>
* jode/expr/StoreInstruction.java (dumpExpression): Java doesn't
allow parenthesis around left hand side, so use NO_PAREN and don't
call lhs.dumpExpression() with priority.
* jode/expr/PrePostFixOperator.java (dumpExpression): likewise.
* jode/expr/IIncOperator.java (dumpExpression): likewise.
* jode/flow/TransformConstructors.java (jikesAnonInner): Removed,
since it wasn't used: This information is stored in OuterValues
now.
* jode/decompiler/LocalInfo.java (isConstant): Always return true
so that inner classes that access final locals work, even if we
can't decide that the local can be final.
2001-02-05 Jochen Hoenicke <jochen@gnu.org>
* jode/expr/InvokeOperator.java.in (Environment.invokeMethod):
Fixed the call to ClassInfo.forName: it expects a class name, while
ref.getClazz() gives a type signature.
* jode/flow/TransformExceptionHandlers.java.in:
(checkAndRemoveJSR): Only invoke removeBadJSR, if there are
successors left.
(checkAndRemoveMonitorExit): likewise.
2001-02-04 Jochen Hoenicke <jochen@gnu.org>
* jode/expr/IfThenElseOperator.java (simplify): Allow in the class$
simplification the then and else part to be swapped.
* jode/bytecode/ClassInfo.java.in (read): Accept class version
1.3.
* jode/type/ClassInterfacesType.java (keywords): Added the package
and import keywords.
* jode/flow/TransformExceptionHandlers.java.in:
(getPredecessor): New function.
(getMonitorExitSlot): New function.
(skipFinExitChain): New function.
(removeJSR): Replaced by ...
(removeBadJSR): ... this.
(checkAndRemoveJSR): Use the new functions. Much simpler and
handles nested synchronized blocks. It now traces the whole JSR
and monitorexit chain before a jump to the first entry via
skipFinExitChain, then checks and remove the first JSR
resp. monitorexit. JSR jumps are simply ignored now.
(checkAndRemoveMonitorExit): likewise.
* jode/flow/StructuredBlock.java.in (prependBlock): New function.
* jode/flow/CatchBlock.java.in (makeDeclaration): Generate name
of dummyLocal, since nobody else will generate it.
2001-02-03 Jochen Hoenicke <jochen@gnu.org>
* jode/bytecode/BytecodeInfo.java.in (read): Remove bogus
exceptionHandlers, whose catchers just throw the exception again.
This kind of entries are inserted by an obfuscator and would break
JODE.
* jode/util/UnifyHash.java.in (iterateHashCode): Call cleanUp,
to clean unneeded references.
* jode/flow/TransformConstructors.java (transformOneField):
Changed to private. Take field number as parameter. Check that
expression doesn't contain a FieldOperator for a later field of
the same class or a PutFieldOperator. Changed all callers.
2001-02-01 Jochen Hoenicke <jochen@gnu.org>
* jode/jvm/CodeVerifier.java.in (Type.mergeType): If array elem
types can't be merged, return tObject as common super type.
* jode/type/ArrayType.java (getGeneralizedType): If array elem
type can't be intersected, return tObject as common super type.
* jode/flow/TransformExceptionHandlers.java.in: Merged patch from
the 1.2 tree to support javac 1.3 synchronized blocks. Doesn't
handle nested synchronized blocks yet.
* jode/expr/Expression.java.in (dumpExpression): Show runtime
exception when it occurs.
2001-01-31 Jochen Hoenicke <jochen@gnu.org>
* jode/expr/Expression.java.in (updateParentTypes): Call setType,
instead of merging the types. Other childs want to know about the
type change as well.
* jode/decompiler/LocalInfo.java (combineWith): Reorganized a bit,
but no changes.
* jode/expr/InvokeOperator.java.in (dumpExpression): Always print
the ThisOperator if a field is from a parent class of an outer
class is used. And always qualify the this operator if not
innermost.
2001-01-30 Jochen Hoenicke <jochen@gnu.org>
* jode/jvm/SyntheticAnalyzer.java.in (checkConstructorAccess):
Allow the special unifyParam to be the last parameter.
2001-01-30 Jochen Hoenicke <jochen@gnu.org>
* jode/decompiler/TabbedPrintWriter.java: Better gnu style handling:
(openBraceClass) (closeBraceClass)
(openBraceNoIndent) (closeBraceNoIndent): new functions.
(closeBraceNoSpace): Removed.
* jode/decompiler/Options.java (GNU_SPACING): new constant.
(GNU_STYLE): changed to include GNU_SPACING.
* jode/decompiler/ClassAnalyzer.java.in (dumpSource): Use
open/closeBraceClass.
* jode/decompiler/MethodAnalyzer.java.in (dumpSource): Use
open/closeBraceNoIndent. Insert a space for GNU_SPACING.
* jode/decompiler/InvokeOperator.java.in (dumpExpression): Insert
a space for GNU_SPACING, use open/closeBraceClass for inner
classes.
* jode/decompiler/UnaryOperator.java (dumpExpression): Insert
a space for GNU_SPACING.
2001-01-30 Jochen Hoenicke <jochen@gnu.org>
Added pascal style from Rolf Howarth <rolf@squarebox.co.uk>
* jode/decompiler/Options.java (PASCAL_STYLE): new constant.
(BRACE_FLUSH_LEFT): dito.
* jode/decompiler/Decompiler.java (setOption): detect pascal option.
* jode/decompiler/Main.java (main): dito.
* jode/decompiler/TabbedPrintWriter.java (openBrace,
openBraceContinue, closeBrace, closeBraceNoSpace,
closeBraceContinue): handle flush left.
2001-01-30 Jochen Hoenicke <jochen@gnu.org>
* jode/type/NullType.java (intersection): Removed, since the
version in ReferenceType is more correct. Before
tNull.isOfType(tRange(X,tNull)) returned false, which lead to
incorrect behaviour in InvokeOperator.needsCast.
* jode/decompiler/FieldAnalyzer.java.in (dumpSource): Removed the
"= null" hack for final fields; it was not correct, since the
field could be initialized in a constructor.
* jode/decompiler/TabbedPrintWriter.java (BreakPoint.endOp):
Simplified the code, copy options always from child.
* jode/jvm/SyntheticAnalyzer.java.in (unifyParam): new field.
(checkConstructorAccess): Allow the special Parameter, whose
purpose is to distinguish the wrapper from the real constructor
and give him a "$" in the type signature, to appear at every
position. It doesn't appear at position 1 for inner classes.
Store the position in unifyParam.
* jode/expr/InvokeOperator.java (isGetClass): Allow the method to
be declared inside an outer class: We simply check if we can get
the method analyzer.
(simplify): handle unifyParam.
* jode/expr/PopOperator.java (getBreakPenalty): return penalty of
inner expression. (dumpExpression): Call dumpExpression of
subexpression immediately without priority.