public class MethodAdapter extends Object implements MethodVisitor
MethodVisitor that delegates to another MethodVisitor. This class can be
used as a super class to quickly implement usefull method adapter classes, just by overriding the
necessary methods.| Modifier and Type | Field and Description |
|---|---|
protected MethodVisitor |
mv
The
MethodVisitor to which this adapter delegates calls. |
| Constructor and Description |
|---|
MethodAdapter(MethodVisitor mv)
Constructs a new
MethodAdapter object. |
| Modifier and Type | Method and Description |
|---|---|
AnnotationVisitor |
visitAnnotation(String desc,
boolean visible)
Visits an annotation of this method.
|
AnnotationVisitor |
visitAnnotationDefault()
Visits the default value of this annotation interface method.
|
void |
visitAttribute(Attribute attr)
Visits a non standard attribute of this method.
|
void |
visitCode()
Starts the visit of the method's code, if any (i.e.
|
void |
visitEnd()
Visits the end of the method.
|
void |
visitFieldInsn(int opcode,
String owner,
String name,
String desc)
Visits a field instruction.
|
void |
visitFrame(int type,
int nLocal,
Object[] local,
int nStack,
Object[] stack)
Visits the current state of the local variables and operand stack elements.
|
void |
visitIincInsn(int var,
int increment)
Visits an IINC instruction.
|
void |
visitInsn(int opcode)
Visits a zero operand instruction.
|
void |
visitIntInsn(int opcode,
int operand)
Visits an instruction with a single int operand.
|
void |
visitJumpInsn(int opcode,
Label label)
Visits a jump instruction.
|
void |
visitLabel(Label label)
Visits a label.
|
void |
visitLdcInsn(Object cst)
Visits a LDC instruction.
|
void |
visitLineNumber(int line,
Label start)
Visits a line number declaration.
|
void |
visitLocalVariable(String name,
String desc,
String signature,
Label start,
Label end,
int index)
Visits a local variable declaration.
|
void |
visitLookupSwitchInsn(Label dflt,
int[] keys,
Label[] labels)
Visits a LOOKUPSWITCH instruction.
|
void |
visitMaxs(int maxStack,
int maxLocals)
Visits the maximum stack size and the maximum number of local variables of the method.
|
void |
visitMethodInsn(int opcode,
String owner,
String name,
String desc)
Visits a method instruction.
|
void |
visitMultiANewArrayInsn(String desc,
int dims)
Visits a MULTIANEWARRAY instruction.
|
AnnotationVisitor |
visitParameterAnnotation(int parameter,
String desc,
boolean visible)
Visits an annotation of a parameter this method.
|
void |
visitTableSwitchInsn(int min,
int max,
Label dflt,
Label[] labels)
Visits a TABLESWITCH instruction.
|
void |
visitTryCatchBlock(Label start,
Label end,
Label handler,
String type)
Visits a try catch block.
|
void |
visitTypeInsn(int opcode,
String type)
Visits a type instruction.
|
void |
visitVarInsn(int opcode,
int var)
Visits a local variable instruction.
|
protected MethodVisitor mv
MethodVisitor to which this adapter delegates calls.public MethodAdapter(MethodVisitor mv)
MethodAdapter object.mv - the code visitor to which this adapter must delegate calls.public AnnotationVisitor visitAnnotationDefault()
MethodVisitorvisitAnnotationDefault in interface MethodVisitorpublic AnnotationVisitor visitAnnotation(String desc, boolean visible)
MethodVisitorvisitAnnotation in interface MethodVisitordesc - the class descriptor of the annotation class.visible - true if the annotation is visible at runtime.public AnnotationVisitor visitParameterAnnotation(int parameter, String desc, boolean visible)
MethodVisitorvisitParameterAnnotation in interface MethodVisitorparameter - the parameter index.desc - the class descriptor of the annotation class.visible - true if the annotation is visible at runtime.public void visitAttribute(Attribute attr)
MethodVisitorvisitAttribute in interface MethodVisitorattr - an attribute.public void visitCode()
MethodVisitorvisitCode in interface MethodVisitorpublic void visitFrame(int type,
int nLocal,
Object[] local,
int nStack,
Object[] stack)
MethodVisitorV1_6. Opcodes.F_SAME representing frame with exactly the same locals as
the previous frame and with the empty stack.Opcodes.F_SAME1 representing
frame with exactly the same locals as the previous frame and with single value on the stack
(nStack is 1 and stack[0] contains value for the type of the stack
item).Opcodes.F_APPEND representing frame with current locals are the same
as the locals in the previous frame, except that additional locals are defined
(nLocal is 1, 2 or 3 and local elements contains values
representing added types).Opcodes.F_CHOP representing frame with current
locals are the same as the locals in the previous frame, except that the last 1-3 locals are
absent and with the empty stack (nLocals is 1, 2 or 3). Opcodes.F_FULL representing complete frame data.visitFrame in interface MethodVisitortype - the type of this stack map frame. Must be Opcodes.F_NEW for expanded
frames, or Opcodes.F_FULL, Opcodes.F_APPEND, Opcodes.F_CHOP, Opcodes.F_SAME or Opcodes.F_APPEND, Opcodes.F_SAME1 for compressed frames.nLocal - the number of local variables in the visited frame.local - the local variable types in this frame. This array must not be modified.
Primitive types are represented by Opcodes.TOP, Opcodes.INTEGER, Opcodes.FLOAT, Opcodes.LONG, Opcodes.DOUBLE,Opcodes.NULL or Opcodes.UNINITIALIZED_THIS
(long and double are represented by a single element). Reference types are
represented by String objects (representing internal names), and uninitialized
types by Label objects (this label designates the NEW instruction that created
this uninitialized value).nStack - the number of operand stack elements in the visited frame.stack - the operand stack types in this frame. This array must not be modified. Its
content has the same format as the "local" array.public void visitInsn(int opcode)
MethodVisitorvisitInsn in interface MethodVisitoropcode - the opcode of the instruction to be visited. This opcode is either NOP,
ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4,
ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1,
IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE,
LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP,
DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB,
LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM,
FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND,
LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I,
D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN,
FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or
MONITOREXIT.public void visitIntInsn(int opcode,
int operand)
MethodVisitorvisitIntInsn in interface MethodVisitoropcode - the opcode of the instruction to be visited. This opcode is either BIPUSH,
SIPUSH or NEWARRAY.operand - the operand of the instruction to be visited.Opcodes.T_BOOLEAN, Opcodes.T_CHAR, Opcodes.T_FLOAT,
Opcodes.T_DOUBLE, Opcodes.T_BYTE, Opcodes.T_SHORT,
Opcodes.T_INT or Opcodes.T_LONG.public void visitVarInsn(int opcode,
int var)
MethodVisitorvisitVarInsn in interface MethodVisitoropcode - the opcode of the local variable instruction to be visited. This opcode is
either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE,
ASTORE or RET.var - the operand of the instruction to be visited. This operand is the index of a
local variable.public void visitTypeInsn(int opcode,
String type)
MethodVisitorvisitTypeInsn in interface MethodVisitoropcode - the opcode of the type instruction to be visited. This opcode is either NEW,
ANEWARRAY, CHECKCAST or INSTANCEOF.type - the operand of the instruction to be visited. This operand must be the internal
name of an object or array class (see getInternalName).public void visitFieldInsn(int opcode,
String owner,
String name,
String desc)
MethodVisitorvisitFieldInsn in interface MethodVisitoropcode - the opcode of the type instruction to be visited. This opcode is either
GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.owner - the internal name of the field's owner class (see getInternalName).name - the field's name.desc - the field's descriptor (see Type).public void visitMethodInsn(int opcode,
String owner,
String name,
String desc)
MethodVisitorvisitMethodInsn in interface MethodVisitoropcode - the opcode of the type instruction to be visited. This opcode is either
INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.owner - the internal name of the method's owner class (see getInternalName).name - the method's name.desc - the method's descriptor (see Type).public void visitJumpInsn(int opcode,
Label label)
MethodVisitorvisitJumpInsn in interface MethodVisitoropcode - the opcode of the type instruction to be visited. This opcode is either IFEQ,
IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE,
IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.label - the operand of the instruction to be visited. This operand is a label that
designates the instruction to which the jump instruction may jump.public void visitLabel(Label label)
MethodVisitorvisitLabel in interface MethodVisitorlabel - a Label object.public void visitLdcInsn(Object cst)
MethodVisitorvisitLdcInsn in interface MethodVisitorcst - the constant to be loaded on the stack. This parameter must be a non null Integer, a Float, a Long, a Double a String (or a
Type for .class constants, for classes whose version is 49.0 or
more).public void visitIincInsn(int var,
int increment)
MethodVisitorvisitIincInsn in interface MethodVisitorvar - index of the local variable to be incremented.increment - amount to increment the local variable by.public void visitTableSwitchInsn(int min,
int max,
Label dflt,
Label[] labels)
MethodVisitorvisitTableSwitchInsn in interface MethodVisitormin - the minimum key value.max - the maximum key value.dflt - beginning of the default handler block.labels - beginnings of the handler blocks. labels[i] is the beginning of the
handler block for the min + i key.public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
MethodVisitorvisitLookupSwitchInsn in interface MethodVisitordflt - beginning of the default handler block.keys - the values of the keys.labels - beginnings of the handler blocks. labels[i] is the beginning of the
handler block for the keys[i] key.public void visitMultiANewArrayInsn(String desc, int dims)
MethodVisitorvisitMultiANewArrayInsn in interface MethodVisitordesc - an array type descriptor (see Type).dims - number of dimensions of the array to allocate.public void visitTryCatchBlock(Label start, Label end, Label handler, String type)
MethodVisitorvisitTryCatchBlock in interface MethodVisitorstart - beginning of the exception handler's scope (inclusive).end - end of the exception handler's scope (exclusive).handler - beginning of the exception handler's code.type - internal name of the type of exceptions handled by the handler, or
null to catch any exceptions (for "finally" blocks).public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index)
MethodVisitorvisitLocalVariable in interface MethodVisitorname - the name of a local variable.desc - the type descriptor of this local variable.signature - the type signature of this local variable. May be null if the local
variable type does not use generic types.start - the first instruction corresponding to the scope of this local variable
(inclusive).end - the last instruction corresponding to the scope of this local variable
(exclusive).index - the local variable's index.public void visitLineNumber(int line,
Label start)
MethodVisitorvisitLineNumber in interface MethodVisitorline - a line number. This number refers to the source file from which the class was
compiled.start - the first instruction corresponding to this line number.public void visitMaxs(int maxStack,
int maxLocals)
MethodVisitorvisitMaxs in interface MethodVisitormaxStack - maximum stack size of the method.maxLocals - maximum number of local variables for the method.public void visitEnd()
MethodVisitorvisitEnd in interface MethodVisitorCopyright © GigaSpaces.