Class MemberSubstitution.SubstitutingMethodVisitor

java.lang.Object

org.objectweb.asm.MethodVisitor

net.bytebuddy.utility.visitor.LocalVariableAwareMethodVisitor

net.bytebuddy.asm.MemberSubstitution.SubstitutingMethodVisitor

Enclosing class:

MemberSubstitution

protected static class MemberSubstitution.SubstitutingMethodVisitor
extends LocalVariableAwareMethodVisitor

A method visitor that applies a substitution for matched methods.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	MemberSubstitution.SubstitutingMethodVisitor.LocalVariableTracingMethodVisitor	A method visitor that traces offsets of the local variable array being used.

Field Summary

Fields

Modifier and Type	Field	Description
private final boolean	failIfNoMatch	true if the instrumentation should fail if applied to a method without match.
private final Implementation.Context	implementationContext	The implementation context to use.
private final MethodDescription	instrumentedMethod	The instrumented method.
private final TypeDescription	instrumentedType	The instrumented type.
private int	localVariableExtension	The minimum amount of local variable array slots that are required to apply substitutions.
private boolean	matched	true if at least one member was substituted during the application of this visitor.
private final MethodGraph.Compiler	methodGraphCompiler	The method graph compiler to use.
private final MemberSubstitution.Replacement	replacement	The replacement to use for creating substitutions.
private int	stackSizeBuffer	An additional buffer for the operand stack that is required.
private final boolean	strict	true if the method processing should be strict where an exception is raised if a member cannot be found.
private final TypePool	typePool	The type pool to use.
private final boolean	virtualPrivateCalls	If true, virtual method calls might target private methods in accordance to the nest mate specification.

Fields inherited from class org.objectweb.asm.MethodVisitor

api, mv

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SubstitutingMethodVisitor(org.objectweb.asm.MethodVisitor methodVisitor, TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodGraph.Compiler methodGraphCompiler, boolean strict, boolean failIfNoMatch, MemberSubstitution.Replacement replacement, Implementation.Context implementationContext, TypePool typePool, boolean virtualPrivateCalls)	Creates a new substituting method visitor.

Method Summary

Modifier and Type	Method	Description
void	visitFieldInsn(int opcode, String owner, String internalName, String descriptor)
void	visitInvokeDynamicInsn(String name, String descriptor, org.objectweb.asm.Handle handle, Object... argument)
void	visitMaxs(int stackSize, int localVariableLength)
void	visitMethodInsn(int opcode, String owner, String internalName, String descriptor, boolean isInterface)

Methods inherited from class LocalVariableAwareMethodVisitor

getFreeOffset, visitVarInsn

Methods inherited from class org.objectweb.asm.MethodVisitor

getDelegate, visitAnnotableParameterCount, visitAnnotation, visitAnnotationDefault, visitAttribute, visitCode, visitEnd, visitFrame, visitIincInsn, visitInsn, visitInsnAnnotation, visitIntInsn, visitJumpInsn, visitLabel, visitLdcInsn, visitLineNumber, visitLocalVariable, visitLocalVariableAnnotation, visitLookupSwitchInsn, visitMethodInsn, visitMultiANewArrayInsn, visitParameter, visitParameterAnnotation, visitTableSwitchInsn, visitTryCatchAnnotation, visitTryCatchBlock, visitTypeAnnotation, visitTypeInsn

Methods inherited from class Object

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

Field Details

instrumentedType

private final TypeDescription instrumentedType

The instrumented type.

instrumentedMethod

private final MethodDescription instrumentedMethod

The instrumented method.

methodGraphCompiler

private final MethodGraph.Compiler methodGraphCompiler

The method graph compiler to use.

strict

private final boolean strict

true if the method processing should be strict where an exception is raised if a member cannot be found.

failIfNoMatch

private final boolean failIfNoMatch

true if the instrumentation should fail if applied to a method without match.

replacement

private final MemberSubstitution.Replacement replacement

The replacement to use for creating substitutions.

implementationContext

private final Implementation.Context implementationContext

The implementation context to use.

typePool

private final TypePool typePool

The type pool to use.

virtualPrivateCalls

private final boolean virtualPrivateCalls

If true, virtual method calls might target private methods in accordance to the nest mate specification.

stackSizeBuffer

private int stackSizeBuffer

An additional buffer for the operand stack that is required.

localVariableExtension

private int localVariableExtension

The minimum amount of local variable array slots that are required to apply substitutions.

matched

private boolean matched

true if at least one member was substituted during the application of this visitor.

Constructor Details

SubstitutingMethodVisitor

protected SubstitutingMethodVisitor(org.objectweb.asm.MethodVisitor methodVisitor,
 TypeDescription instrumentedType,
 MethodDescription instrumentedMethod,
 MethodGraph.Compiler methodGraphCompiler,
 boolean strict,
 boolean failIfNoMatch,
 MemberSubstitution.Replacement replacement,
 Implementation.Context implementationContext,
 TypePool typePool,
 boolean virtualPrivateCalls)

Creates a new substituting method visitor.

Parameters:

methodVisitor - The method visitor to delegate to.

instrumentedType - The instrumented type.

instrumentedMethod - The instrumented method.

methodGraphCompiler - The method graph compiler to use.

strict - true if the method processing should be strict where an exception is raised if a member cannot be found.

failIfNoMatch - true if the instrumentation should fail if applied to a method without match.

replacement - The replacement to use for creating substitutions.

implementationContext - The implementation context to use.

typePool - The type pool to use.

virtualPrivateCalls - true, virtual method calls might target private methods in accordance to the nest mate specification.

Method Details

visitFieldInsn

public void visitFieldInsn(int opcode,
 String owner,
 String internalName,
 String descriptor)

Overrides:

visitFieldInsn in class org.objectweb.asm.MethodVisitor

visitMethodInsn

public void visitMethodInsn(int opcode,
 String owner,
 String internalName,
 String descriptor,
 boolean isInterface)

Overrides:

visitMethodInsn in class org.objectweb.asm.MethodVisitor

visitInvokeDynamicInsn

public void visitInvokeDynamicInsn(String name,
 String descriptor,
 org.objectweb.asm.Handle handle,
 Object... argument)

Overrides:

visitInvokeDynamicInsn in class org.objectweb.asm.MethodVisitor

visitMaxs

public void visitMaxs(int stackSize,
 int localVariableLength)

Overrides:

visitMaxs in class org.objectweb.asm.MethodVisitor