org.codehaus.aspectwerkz.transform.inlining.weaver
Class MethodExecutionVisitor

java.lang.Object
  extended by org.objectweb.asm.ClassAdapter
      extended by org.codehaus.aspectwerkz.transform.inlining.weaver.MethodExecutionVisitor
All Implemented Interfaces:
TransformationConstants, org.objectweb.asm.ClassVisitor, org.objectweb.asm.Constants

public class MethodExecutionVisitor
extends org.objectweb.asm.ClassAdapter
implements TransformationConstants

Adds a "proxy method" to the methods that matches an execution pointcut as well as prefixing the "original method".
The proxy method calls the JPClass.invoke static method. The signature of the invoke method depends if the target method is static or not as follow:

      invoke(callee, args.., caller) // non static
      invoke(args.., caller) // static
 
(The reason why is that it simplifies call pointcut stack management)

Author:
Jonas BonŽr , Alexandre Vasseur

Field Summary
 
Fields inherited from class org.objectweb.asm.ClassAdapter
cv
 
Fields inherited from interface org.codehaus.aspectwerkz.transform.TransformationConstants
ADD_META_DATA_METHOD_NAME, ADD_META_DATA_METHOD_SIGNATURE, ADVISABLE_CLASS_JAVA_NAME, ADVISABLE_CLASS_NAME, AFTER_ADVICE_ARRAY_CLASS_SIGNATURE, AFTER_ADVICE_CLASS_NAME, AFTER_ADVICE_INVOKE_METHOD_SIGNATURE, AFTER_INTERCEPTORS_FIELD_NAME, AFTER_RETURNING_ADVICE_ARRAY_CLASS_SIGNATURE, AFTER_RETURNING_ADVICE_CLASS_NAME, AFTER_RETURNING_ADVICE_INVOKE_METHOD_SIGNATURE, AFTER_RETURNING_INTERCEPTORS_FIELD_NAME, AFTER_THROWING_ADVICE_ARRAY_CLASS_SIGNATURE, AFTER_THROWING_ADVICE_CLASS_NAME, AFTER_THROWING_ADVICE_INVOKE_METHOD_SIGNATURE, AFTER_THROWING_INTERCEPTORS_FIELD_NAME, ARGUMENT_FIELD, AROUND_ADVICE_ARRAY_CLASS_SIGNATURE, AROUND_ADVICE_CLASS_NAME, AROUND_ADVICE_INVOKE_METHOD_SIGNATURE, AROUND_INTERCEPTORS_FIELD_NAME, ASPECT_FIELD_PREFIX, ASPECT_OF_METHOD_NAME, ASPECT_OF_PER_CLASS_METHOD_SIGNATURE, ASPECT_OF_PER_INSTANCE_METHOD_SIGNATURE, ASPECT_OF_PER_JVM_METHOD_SIGNATURE, ASPECTS_CLASS_NAME, ASPECTWERKZ_PREFIX, BEFORE_ADVICE_ARRAY_CLASS_SIGNATURE, BEFORE_ADVICE_CLASS_NAME, BEFORE_ADVICE_INVOKE_METHOD_SIGNATURE, BEFORE_INTERCEPTORS_FIELD_NAME, BOOLEAN_CLASS_INIT_METHOD_SIGNATURE, BOOLEAN_CLASS_NAME, BOOLEAN_VALUE_METHOD_NAME, BOOLEAN_VALUE_METHOD_SIGNATURE, BYTE_CLASS_INIT_METHOD_SIGNATURE, BYTE_CLASS_NAME, BYTE_VALUE_METHOD_NAME, BYTE_VALUE_METHOD_SIGNATURE, CALLEE_INSTANCE_FIELD_NAME, CALLER_INSTANCE_FIELD_NAME, CHAR_VALUE_METHOD_NAME, CHAR_VALUE_METHOD_SIGNATURE, CHARACTER_CLASS_INIT_METHOD_SIGNATURE, CHARACTER_CLASS_NAME, CLASS_CLASS, CLASS_CLASS_GETCLASSLOADER_METHOD_SIGNATURE, CLASS_CLASS_SIGNATURE, CLASS_LOADER_CLASS_NAME, CLASS_LOADER_REFLECT_CLASS_NAME, CLASS_NOT_FOUND_EXCEPTION_CLASS_NAME, CLINIT_METHOD_NAME, CLINIT_METHOD_SIGNATURE, CONSTRUCTOR_RTTI_IMPL_CLASS_NAME, CONSTRUCTOR_RTTI_IMPL_CLASS_SIGNATURE, CONSTRUCTOR_RTTI_IMPL_INIT_SIGNATURE, CONSTRUCTOR_SIGNATURE_IMPL_CLASS_SIGNATURE, COPY_METHOD_NAME, COPY_METHOD_SIGNATURE, DEFINE_CLASS_METHOD_NAME, DELIMITER, DOUBLE_CLASS_INIT_METHOD_SIGNATURE, DOUBLE_CLASS_NAME, DOUBLE_VALUE_METHOD_NAME, DOUBLE_VALUE_METHOD_SIGNATURE, EMITTED_JOINPOINTS_FIELD_NAME, EMPTY_WRAPPER_ATTRIBUTE_VALUE_EMPTY, EMPTY_WRAPPER_ATTRIBUTE_VALUE_NOTEMPTY, EMTPTY_ARRAY_LIST, ENCLOSING_SJP_FIELD_CLASS_SIGNATURE, ENCLOSING_SJP_FIELD_NAME, FIELD_RTTI_IMPL_CLASS_NAME, FIELD_RTTI_IMPL_CLASS_SIGNATURE, FIELD_RTTI_IMPL_INIT_SIGNATURE, FIELD_SIGNATURE_IMPL_CLASS_SIGNATURE, FLOAT_CLASS_INIT_METHOD_SIGNATURE, FLOAT_CLASS_NAME, FLOAT_VALUE_METHOD_NAME, FLOAT_VALUE_METHOD_SIGNATURE, FOR_NAME_METHOD_NAME, FOR_NAME_METHOD_SIGNATURE, GET_AFTER_ADVICE_METHOD_NAME, GET_AFTER_ADVICE_METHOD_SIGNATURE, GET_AFTER_RETURNING_ADVICE_METHOD_NAME, GET_AFTER_RETURNING_ADVICE_METHOD_SIGNATURE, GET_AFTER_THROWING_ADVICE_METHOD_NAME, GET_AFTER_THROWING_ADVICE_METHOD_SIGNATURE, GET_AROUND_ADVICE_METHOD_NAME, GET_AROUND_ADVICE_METHOD_SIGNATURE, GET_BEFORE_ADVICE_METHOD_NAME, GET_BEFORE_ADVICE_METHOD_SIGNATURE, GET_CALLEE_CLASS_METHOD_NAME, GET_CALLEE_CLASS_METHOD_SIGNATURE, GET_CALLEE_METHOD_NAME, GET_CALLER_CLASS_METHOD_NAME, GET_CALLER_CLASS_METHOD_SIGNATURE, GET_CALLER_METHOD_NAME, GET_CFLOW_STACK_METHOD_NAME, GET_CFLOW_STACK_METHOD_SIGNATURE, GET_ENCLOSING_SJP_METHOD_NAME, GET_ENCLOSING_SJP_METHOD_SIGNATURE, GET_INSTANCE_LEVEL_ASPECT_METHOD_NAME, GET_INSTANCE_LEVEL_ASPECT_METHOD_SIGNATURE, GET_META_DATA_METHOD_NAME, GET_META_DATA_METHOD_SIGNATURE, GET_METHOD_NAME, GET_METHOD_SIGNATURE, GET_RTTI_METHOD_NAME, GET_RTTI_METHOD_SIGNATURE, GET_SIGNATURE_METHOD_NAME, GET_SIGNATURE_METHOD_SIGNATURE, GET_TARGET_CLASS_METHOD_NAME, GET_TARGET_CLASS_METHOD_SIGNATURE, GET_TARGET_METHOD_NAME, GET_THIS_METHOD_NAME, GET_TYPE_METHOD_NAME, GET_TYPE_METHOD_SIGNATURE, GETCLASSLOADER_METHOD_NAME, GETFIELD_WRAPPER_METHOD_PREFIX, HANDLER_RTTI_IMPL_CLASS_NAME, HANDLER_RTTI_IMPL_CLASS_SIGNATURE, HANDLER_RTTI_IMPL_INIT_SIGNATURE, HANDLER_SIGNATURE_IMPL_CLASS_SIGNATURE, HAS_INSTANCE_LEVEL_ASPECT_INTERFACE_NAME, HASH_MAP_CLASS_NAME, I, INDEX_NOTAVAILABLE, INIT_JOIN_POINTS_METHOD_NAME, INIT_METHOD_NAME, INSTANCE_LEVEL_ASPECT_MAP_FIELD_NAME, INSTANCE_LEVEL_ASPECT_MAP_FIELD_SIGNATURE, INT_VALUE_METHOD_NAME, INT_VALUE_METHOD_SIGNATURE, INTEGER_CLASS_INIT_METHOD_SIGNATURE, INTEGER_CLASS_NAME, INTERCEPT_INVOKE_METHOD_NAME, INTERCEPTOR_INDEX_FIELD_NAME, INVOKE_METHOD_NAME, INVOKE_WRAPPER_METHOD_PREFIX, IS_IN_CFLOW_METOD_NAME, IS_IN_CFLOW_METOD_SIGNATURE, JOIN_POINT_CLASS_NAME, JOIN_POINT_CLASS_SIGNATURE, JOIN_POINT_CLASS_SUFFIX, JOIN_POINT_JAVA_CLASS_NAME, JOIN_POINT_MANAGER_CLASS_NAME, L, LOAD_JOIN_POINT_METHOD_NAME, LOAD_JOIN_POINT_METHOD_SIGNATURE, LONG_CLASS_INIT_METHOD_SIGNATURE, LONG_CLASS_NAME, LONG_VALUE_METHOD_NAME, LONG_VALUE_METHOD_SIGNATURE, MAP_CLASS_NAME, MAP_CLASS_SIGNATURE, META_DATA_FIELD_NAME, METHOD_RTTI_IMPL_CLASS_NAME, METHOD_RTTI_IMPL_CLASS_SIGNATURE, METHOD_RTTI_IMPL_INIT_SIGNATURE, METHOD_SIGNATURE_IMPL_CLASS_NAME, METHOD_SIGNATURE_IMPL_CLASS_SIGNATURE, MIXIN_FIELD_NAME, MIXIN_OF_METHOD_NAME, MIXIN_OF_METHOD_PER_CLASS_SIGNATURE, MIXIN_OF_METHOD_PER_INSTANCE_SIGNATURE, MIXIN_OF_METHOD_PER_JVM_SIGNATURE, MIXINS_CLASS_NAME, MODIFIER_INVOKEINTERFACE, NEW_CATCH_CLAUSE_SIGNATURE_METHOD_NAME, NEW_CONSTRUCTOR_SIGNATURE_METHOD_NAME, NEW_CONSTRUCTOR_SIGNATURE_METHOD_SIGNATURE, NEW_ENCLOSING_SJP_METHOD_NAME, NEW_ENCLOSING_SJP_METHOD_SIGNATURE, NEW_FIELD_SIGNATURE_METHOD_NAME, NEW_FIELD_SIGNATURE_METHOD_SIGNATURE, NEW_HANDLER_SIGNATURE_METHOD_SIGNATURE, NEW_METHOD_SIGNATURE_METHOD_NAME, NEW_METHOD_SIGNATURE_METHOD_SIGNATURE, NEW_STATICINITIALIZATION_SIGNATURE_METHOD_NAME, NEW_STATICINITIALIZATION_SIGNATURE_METHOD_SIGNATURE, NO_PARAM_RETURN_VOID_SIGNATURE, NO_PARAMS_RETURN_VOID_METHOD_SIGNATURE, NO_PARAMS_SIGNATURE, NON_OPTIMIZED_JOIN_POINT, NR_OF_AFTER_INTERCEPTORS_FIELD_NAME, NR_OF_AFTER_RETURNING_INTERCEPTORS_FIELD_NAME, NR_OF_AFTER_THROWING_INTERCEPTORS_FIELD_NAME, NR_OF_AROUND_INTERCEPTORS_FIELD_NAME, NR_OF_BEFORE_INTERCEPTORS_FIELD_NAME, OBJECT_CLASS_NAME, OBJECT_CLASS_SIGNATURE, OPTIMIZED_JOIN_POINT, OPTIMIZED_JOIN_POINT_INSTANCE_FIELD_NAME, ORIGINAL_METHOD_PREFIX, PROCEED_METHOD_NAME, PROCEED_METHOD_SIGNATURE, PUT_METHOD_NAME, PUT_METHOD_SIGNATURE, PUTFIELD_WRAPPER_METHOD_PREFIX, RESET_METHOD_NAME, RETURN_VALUE_FIELD_NAME, RUNTIME_EXCEPTION_CLASS_NAME, RUNTIME_EXCEPTION_INIT_METHOD_SIGNATURE, SEMICOLON, SERIAL_VERSION_UID_FIELD_NAME, SET_FIELD_VALUE_METHOD_NAME, SET_FIELD_VALUE_METHOD_SIGNATURE, SET_PARAMETER_VALUE_METHOD_NAME, SET_PARAMETER_VALUE_METHOD_SIGNATURE, SET_PARAMETER_VALUES_METHOD_NAME, SET_PARAMETER_VALUES_METHOD_SIGNATURE, SET_RETURN_VALUE_METHOD_NAME, SET_RETURN_VALUE_METHOD_SIGNATURE, SHORT_CLASS_INIT_METHOD_SIGNATURE, SHORT_CLASS_NAME, SHORT_VALUE_METHOD_NAME, SHORT_VALUE_METHOD_SIGNATURE, SIGNATURE_FACTORY_CLASS, SIGNATURE_FIELD_NAME, STACK_FRAME_COUNTER_FIELD_NAME, STATIC_INITIALIZATION_METHOD_NAME, STATIC_JOIN_POINT_CLASS_NAME, STATIC_JOIN_POINT_JAVA_CLASS_NAME, STATICINITIALIZATION_RTTI_IMPL_CLASS_NAME, STATICINITIALIZATION_RTTI_IMPL_INIT_SIGNATURE, STATICINITIALIZATION_SIGNATURE_IMPL_CLASS_NAME, STATICINITIALIZATION_SIGNATURE_IMPL_CLASS_SIGNATURE, STATICINITIALIZER_WRAPPER_METHOD_KEY, SYNTHETIC_MEMBER_PREFIX, TARGET_CLASS_FIELD_NAME, THROWABLE_CLASS_NAME, WRAPPER_METHOD_PREFIX
 
Fields inherited from interface org.objectweb.asm.Constants
AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, V1_1, V1_2, V1_3, V1_4, V1_5
 
Constructor Summary
MethodExecutionVisitor(org.objectweb.asm.ClassVisitor cv, ClassInfo classInfo, Context ctx, Set addedMethods)
          Creates a new class adapter.
 
Method Summary
static boolean methodFilter(Set definitions, ExpressionContext ctx, MethodInfo methodInfo)
          Filters out the methods that are not eligible for transformation.
 void visit(int version, int access, String name, String superName, String[] interfaces, String sourceFile)
          Visits the class.
 org.objectweb.asm.CodeVisitor visitMethod(int access, String name, String desc, String[] exceptions, org.objectweb.asm.Attribute attrs)
          Visits the methods.
 
Methods inherited from class org.objectweb.asm.ClassAdapter
visitAttribute, visitEnd, visitField, visitInnerClass
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MethodExecutionVisitor

public MethodExecutionVisitor(org.objectweb.asm.ClassVisitor cv,
                              ClassInfo classInfo,
                              Context ctx,
                              Set addedMethods)
Creates a new class adapter.

Parameters:
cv -
classInfo -
ctx -
addedMethods -
Method Detail

visit

public void visit(int version,
                  int access,
                  String name,
                  String superName,
                  String[] interfaces,
                  String sourceFile)
Visits the class.

Specified by:
visit in interface org.objectweb.asm.ClassVisitor
Overrides:
visit in class org.objectweb.asm.ClassAdapter
Parameters:
access -
name -
superName -
interfaces -
sourceFile -

visitMethod

public org.objectweb.asm.CodeVisitor visitMethod(int access,
                                                 String name,
                                                 String desc,
                                                 String[] exceptions,
                                                 org.objectweb.asm.Attribute attrs)
Visits the methods.

Specified by:
visitMethod in interface org.objectweb.asm.ClassVisitor
Overrides:
visitMethod in class org.objectweb.asm.ClassAdapter
Parameters:
access -
name -
desc -
exceptions -
attrs -
Returns:

methodFilter

public static boolean methodFilter(Set definitions,
                                   ExpressionContext ctx,
                                   MethodInfo methodInfo)
Filters out the methods that are not eligible for transformation.

Parameters:
definitions -
ctx -
methodInfo -
Returns:
boolean true if the method should be filtered out


Copyright © 2002-2005 Jonas Bonér, Alexandre Vasseur. All Rights Reserved.