History

29 October 2007: ASM 3.1 (cvs-tag: ASM_3_1)

• extended semantic of 'internal name' to array classes (internal name equal to descriptor in this case); renamed 'desc' parameter of 'visitTypeInsn' to 'type'
• new readLabel method in ClassReader
• new getLabelNode method in MethodNode (see bug 306920)
• new resetLabel(s) methods in LabelNode and InsnList (feature request 306499)
• new checks in CheckMethodVisitor (for stack frames)
• new CheckSignatureAdapter class
• new Remapper* classes in commons
• support for primitive types in GeneratorAdaptor.push (feature request 307378)
• new build options (no writer, no frames support, etc)
• new tests
• bug fixes
  • 307600 StackOverflowError in org.objectweb.asm.MethodWriter.findSubroutine()
  • 307392 MethodWriter generates invalid RuntimeInvisibleParameterAnnotations for enum constructors
  • 307242 Patch to compile ASM 2.2.3 against Java 1.4
  • 307011 Typo error in ASM 3.0 User Guide
  • 306921 SignatureReader does not handle inner class extends of other inner class
  • 306920 MethodNode.labelNode(label) smashes "user" data Label.info
  • 306521 Parameter local of visitFrame() is lost when using a ClassNode
  • 306503 CheckClassAdapter doesn't flush its output
  • 306422 Another code cleanup patch
  • 306349 SerialVersionUIDAdder breaks compile if using JDK 1.4
  • bug fix related to xSTORE in tree.analysis.Frame
  • bug fix in LocalVariableSorter
  • javadoc fixes

1 November 2006: ASM 3.0 (cvs-tag: ASM_3_0)

• visit*Annotation methods can now return null
• COMPUTE_MAXS now works with all subroutines, even very weird ones that cannot be produced by javac
• new getters in ClassReader, SKIP_DEBUG now skips visitSource
• new methods in Type: getObjectType, getConstructorDescriptor
• InsnList now supports ListIterator interface
• new insertBefore() and insert*() methods in InsnList class
• improved Analyzer API, support for abstract and native methods
• improved Method class behavior with default package
• minor bug fixes
  • 305716 bug in floating point constant handling in constant pool writing
  • 305917 optimizer.ClassConstantsCollector generates an invalid class constant
  • 306058 FieldNode.accept() cannot handle ClassVisitors yielding null as FieldVisitor
• new tests
• javadoc improvements

06 July 2006: ASM 3.0 RC1 (cvs-tag: ASM_3_0_RC1)

• new API for instruction lists in tree package
• new JSRInliner class in commons
• new CodeSizeEvaluator class in commons
• changes and optimizations in AnalyzerAdapter
• DataflowInterpreter renamed into SourceInterpreter
• port of changes from ASM 2.x

06 July 2006: ASM 2.2.3 (cvs-tag: ASM_2_2_3)

• compute maxs option now takes visitLocalVariable into account
• bug fix in TraceSignatureVisitor
• minor Javadoc improvements

20 April 2006: ASM 3.0 beta2 (cvs-tag: ASM_3_0_BETA2)

• visitFrame is now called after visitLabel in ClassReader
• new SKIP_FRAMES and SKIP_CODE flags in ClassReader
• fixed issue with dead code and COMPUTE_FRAMES option in ClassWriter
• port of bug fixes from ASM_2_2_2
• refactorings in core package to get same performances as in ASM 2.x (3.0 beta was slightly less performant than 2.x)
• refactored tests and added many new tests. Tests now cover 100% of the code, except in commons package.

7 April 2006: ASM 2.2.2 (cvs-tag: ASM_2_2_2)

• bug fix in ClassWriter for SourceDebugExtension attribute
• bug fix in LocalVariableSorter when same variable slot is used to save different types
• all fields in classes ClassNode, MethodNode, LookupSwitchInsnNode and TableSwitchInsnNode of the tree package are mutable (non-final)
• additional checks in CheckClassAdapter, CheckMethodAdapter and CheckAnnotationAdapter
• new constructor in SimpleVerifier with list of interfaces of the class being verified to allow isAssignableFrom check without loading this class (which may be invalid)

14 December 2005: ASM 3.0 beta (cvs-tag: ASM_3_0_BETA)

• Major changes for the new Java 6 StackMapTable attribute
  • StackMapTable support integrated in core package (new visitFrame method in MethodVisitor)
  • asm.attrs package removed
  • new commons.AnalyzerAdapter class
  • incremental stack map frames update in LocalVariablesSorter
• ClassReader and ClassWriter constructors changed
• ...

14 December 2005: ASM 2.2.1 (cvs-tag: ASM_2_2_1)

• bug fix in ClassReader for empty annotation array values
• new accept method in MethodNode
• new checks in asm.util
• performance optimizations in LocalVariablesSorter
• more precise type system used in analysis package
• javadoc fixes and improvements

24 November 2005: ASM 2.2 (cvs-tag: ASM_2_2)

• pass through behavior for unknown attributes
• optimizations for "mostly add" transformations (new ClassWriter constructor)
• removed constraint for visitTryCatchBlock call order with respect to visitLabel
  • visitTryCatchBlock can be called before or after its labels are visited
  • ClassReader now calls visitTryCatchBloc at the beginning of the method body
• new AdviceAdapter class in commons
• new constructor in GeneratorAdapter for better integration with the plain visitors/adapters
• fixed potential endles loop in IntMap.get()
• bug fixes in xml package
• improved javadocs (commons, tree)
• new tests
• corbertura added to the build

25 August 2005: ASM 2.1 (cvs-tag: ASM_2_1)

• support for StackMapTable attribute in asm.attrs
• restructured StackMap attribute implementation (SM and SMT are using the same frames)
• addition of Traceable interface in asm.util.attrs
• new "dependencies" example
• improved commons.Method
• deprecated asm.tree.Insn.getByOpcode()
• public constructor in InsnNode
• better exception handling in analyzer
• added Opcodes.V1_6 constant
• javadoc improvements
• changed code style (Eclipse formatter + Sun conventions with minor changes)
• asm-all jar
• bug fixes
  • correct handling of synthetic attribute vs. synthetic flag
  • bug in TraceClassVisitor
  • bug in analyzer.Frame for ASTORE
  • added BasicValue.hashCode() and DataflowValue.hashCode()
  • bug about size calculation for custom attributes

17 May 2005: ASM 2.0 (cvs-tag: ASM_2_0)

• Bug fixes

7 February 2005: ASM 2.0.RC1 (cvs-tag: ASM_2_0_RC1)

• Bug fixes
• New visitCode() method in MethodVisitor to easily detect first instruction
• signature support (contribution from Thomas Hallgren)
• commons package (contribution from CLIB and other projects; not yet stable)
• memory usage optimization in tree package (contribution from Rene Treffer)
• performance improvements in core package
• performance improvements in analysis package (dataflowinterpreter is now two times faster)
• asm library plugin for Eclipse, used by Bytecode Outline plugin

21 January 2005: ASM 1.5.3 (cvs-tag: ASM_1_5_3)

• Bug fixes
• New behavior for visitLineNumber

8 November 2004: ASM 2.0 alpha (cvs-tag: ASM_2_0_ALPHA)

• Major API changes for Java 5 attributes
  • added new FieldVisitor interface
  • added new AnnotationVisitor interface
  • renamed CodeVisitor into MethodVisitor
  • renamed Constants into Opcodes
  • added and changed methods in ClassVisitor and CodeVisitor
  • removed almost all classes in attrs package
  • removed TreeClassAdapter and TreeCodeAdapter
  • added new MemberNode, AnnotationNode and LabelNode classes
  • many changes in asm.util package
• Added many new tests, reorganized tests classes and scripts

8 November 2004: ASM 1.5.2 (cvs-tag: ASM_1_5_2)

• Bug fixes

23 September 2004: ASM 1.5.1 (cvs-tag: ASM_1_5_1)

• Cleaned up ASMifierClassVisitor
• Removed AnnotationElementValue
• Added more tests for attributes and Java 5 annotations
• Added new annotations example
• Build package for Maven's ibiblio repository
• Bug fixes

30 August 2004: ASM 1.5 (cvs-tag: ASM_1_5)

• Added support for class version in ClassVisitor
• Changed behavior for unrecognized attributes
• Added new analyzer in tree.analysis package (contribution from Bing Ran)
• Improved build files
• Bug fixes

11 May 2004: ASM 1.4.3 (cvs-tag: ASM_1_4_3)

• Added tree.analysis package
• Added xml package, contributed by Eugene Kuleshov
• Bug fixes

1 March 2004: ASM 1.4.2 (cvs-tag: ASM_1_4_2)

• Improved build files to facilitate Linux packaging
• Bug fixes

12 December 2003: ASM 1.4.1 (cvs-tag: ASM_1_4_1)

• Added attrs package, contributed by Eugene Kuleshov

13 November 2003: ASM 1.4 (cvs-tag: ASM_1_4)

• Added attribute support

3 November 2003: ASM 1.3.6 (cvs-tag: ASM_1_3_6)

• Changed license from LGPL to BSD

8 October 2003: ASM 1.3.5 (cvs-tag: ASM_1_3_5)

• Bug fixes
• Added thread safety support in ClassReader
• Added equals and hashcode in Type
• Added FAQ

9 July 2003: ASM 1.3.4 (cvs-tag: ASM_1_3_4)

• Added kASM jar (needed a small refactoring)

3 October 2002: ASM 1.3.3 (cvs-tag: ASM_1_3_3)

• Added tree package
• Added support for GOTO_W and JSR_W
• Added an ant target to create a debian package

6 September 2002: ASM 1.3.2 (cvs-tag: ASM_1_3_2)

• Added util package

6 September 2002: ASM 1.3.1 (cvs-tag: ASM_1_3_1)

• Bug fix

11 July 2002: ASM 1.3 (cvs-tag: ASM_1_3)

• First public version