org.codehaus.groovy.classgen
Classes 
AsmClassGenerator
AsmClassGenerator2
BlockScope
BytecodeExpression
BytecodeHelper
ClassCompletionVerifier
ClassGenerator
DummyClassGenerator
GeneratorContext
MethodCaller
ReflectorGenerator
Variable
VariableScopeCodeVisitor
Verifier
VerifierCodeVisitor
Exceptions 
ClassGeneratorException
RuntimeIncompleteClassException