CheckMethodAdapter (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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org.drools.asm.util
Class CheckMethodAdapter

java.lang.Object
  org.drools.asm.MethodAdapter
      org.drools.asm.util.CheckMethodAdapter

All Implemented Interfaces:: MethodVisitor

public class CheckMethodAdapter
extends MethodAdapter
extends MethodAdapter

A MethodAdapter that checks that its methods are properly used. More precisely this code adapter checks each instruction individually (i.e., each visit method checks some preconditions based only on its arguments - such as the fact that the given opcode is correct for a given visit method), but does not check the sequence of instructions. For example, in a method whose signature is void m (), the invalid instruction IRETURN, or the invalid sequence IADD L2I will not be detected by this code adapter.

Author:: Eric Bruneton

Field Summary

Fields inherited from class org.drools.asm.MethodAdapter

mv

Constructor Summary

CheckMethodAdapter(MethodVisitor cv)
          Constructs a new CheckMethodAdapter object.

Method Summary

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 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 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Fields inherited from class org.drools.asm.MethodAdapter
`mv`

Constructor Summary
`CheckMethodAdapter(MethodVisitor cv)` Constructs a new `CheckMethodAdapter` object.

Method Summary
`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`	`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 java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

CheckMethodAdapter

public CheckMethodAdapter(MethodVisitor cv)

Constructs a new CheckMethodAdapter object.

Parameters:: cv - the code visitor to which this adapter must delegate calls.

Method Detail