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java.lang.Object org.drools.asm.util.AbstractVisitor org.drools.asm.util.ASMifierAbstractVisitor org.drools.asm.util.ASMifierMethodVisitor
public class ASMifierMethodVisitor
A MethodVisitor
that prints the ASM code that generates the methods
it visits.
Field Summary |
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Fields inherited from class org.drools.asm.util.ASMifierAbstractVisitor |
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name |
Fields inherited from class org.drools.asm.util.AbstractVisitor |
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buf, OPCODES, text, TYPES |
Constructor Summary | |
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ASMifierMethodVisitor()
Constructs a new ASMifierMethodVisitor object. |
Method Summary | |
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AnnotationVisitor |
visitAnnotationDefault()
Visits the default value of this annotation interface method. |
void |
visitCode()
Starts the visit of the method's code, if any (i.e. |
void |
visitFieldInsn(int opcode,
String owner,
String name,
String desc)
Visits a field instruction. |
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 desc)
Visits a type instruction. |
void |
visitVarInsn(int opcode,
int var)
Visits a local variable instruction. |
Methods inherited from class org.drools.asm.util.ASMifierAbstractVisitor |
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visitAnnotation, visitAttribute, visitEnd |
Methods inherited from class org.drools.asm.util.AbstractVisitor |
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appendString, getDefaultAttributes, getText |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.drools.asm.MethodVisitor |
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visitAnnotation, visitAttribute, visitEnd |
Constructor Detail |
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public ASMifierMethodVisitor()
ASMifierMethodVisitor
object.
Method Detail |
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public AnnotationVisitor visitAnnotationDefault()
MethodVisitor
visitAnnotationDefault
in interface MethodVisitor
public AnnotationVisitor visitParameterAnnotation(int parameter, String desc, boolean visible)
MethodVisitor
visitParameterAnnotation
in interface MethodVisitor
parameter
- the parameter index.desc
- the class descriptor of the annotation class.visible
- true if the annotation is visible at runtime.
public void visitCode()
MethodVisitor
visitCode
in interface MethodVisitor
public void visitInsn(int opcode)
MethodVisitor
visitInsn
in interface MethodVisitor
opcode
- 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)
MethodVisitor
visitIntInsn
in interface MethodVisitor
opcode
- 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)
MethodVisitor
visitVarInsn
in interface MethodVisitor
opcode
- 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 desc)
MethodVisitor
visitTypeInsn
in interface MethodVisitor
opcode
- the opcode of the type instruction to be visited. This
opcode is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.desc
- the operand of the instruction to be visited. This operand is
must be a fully qualified class name in internal form, or the type
descriptor of an array type (see Type
).public void visitFieldInsn(int opcode, String owner, String name, String desc)
MethodVisitor
visitFieldInsn
in interface MethodVisitor
opcode
- 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)
MethodVisitor
visitMethodInsn
in interface MethodVisitor
opcode
- 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)
MethodVisitor
visitJumpInsn
in interface MethodVisitor
opcode
- 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)
MethodVisitor
visitLabel
in interface MethodVisitor
label
- a Label
object.public void visitLdcInsn(Object cst)
MethodVisitor
visitLdcInsn
in interface MethodVisitor
public void visitIincInsn(int var, int increment)
MethodVisitor
visitIincInsn
in interface MethodVisitor
var
- 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)
MethodVisitor
visitTableSwitchInsn
in interface MethodVisitor
min
- 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)
MethodVisitor
visitLookupSwitchInsn
in interface MethodVisitor
dflt
- 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)
MethodVisitor
visitMultiANewArrayInsn
in interface MethodVisitor
desc
- 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)
MethodVisitor
visitTryCatchBlock
in interface MethodVisitor
start
- 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)
MethodVisitor
visitLocalVariable
in interface MethodVisitor
name
- 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)
MethodVisitor
visitLineNumber
in interface MethodVisitor
line
- 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)
MethodVisitor
visitMaxs
in interface MethodVisitor
maxStack
- maximum stack size of the method.maxLocals
- maximum number of local variables for the method.
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