com.alibaba.bytekit.utils

Class AsmOpUtils

java.lang.Object

com.alibaba.bytekit.utils.AsmOpUtils

public class AsmOpUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static com.alibaba.deps.org.objectweb.asm.Type	CLASS_TYPE
static com.alibaba.deps.org.objectweb.asm.Type	OBJECT_ARRAY_TYPE
static com.alibaba.deps.org.objectweb.asm.Type	OBJECT_TYPE
static com.alibaba.deps.org.objectweb.asm.Type	STRING_ARRAY_TYPE
static com.alibaba.deps.org.objectweb.asm.Type	STRING_TYPE

Constructor Summary

Constructors

Constructor and Description
AsmOpUtils()

Method Summary

Modifier and Type	Method and Description
static void	arrayLoad(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type)
static void	arrayStore(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type)
static void	box(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type)
static void	checkCast(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type) Generates the instruction to check that the top stack value is of the given type.
static void	dup(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	dup2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	dup2X1(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList) Generates a DUP2_X1 instruction.
static void	dup2X2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList) Generates a DUP2_X2 instruction.
static void	dupX1(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	dupX2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static com.alibaba.deps.org.objectweb.asm.Type	getBoxedType(com.alibaba.deps.org.objectweb.asm.Type type)
static void	getField(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, com.alibaba.deps.org.objectweb.asm.Type owner, String name, com.alibaba.deps.org.objectweb.asm.Type type) Generates the instruction to push the value of a non static field on the stack.
static void	getStatic(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, com.alibaba.deps.org.objectweb.asm.Type owner, String name, com.alibaba.deps.org.objectweb.asm.Type type)
static com.alibaba.deps.org.objectweb.asm.commons.Method	getUnBoxMethod(com.alibaba.deps.org.objectweb.asm.Type type)
static void	invokeConstructor(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type, com.alibaba.deps.org.objectweb.asm.commons.Method method)
static boolean	isBoxType(com.alibaba.deps.org.objectweb.asm.Type type)
static boolean	isReturnCode(int opcode)
static void	ldc(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, Object value)
static void	loadArg(boolean staticAccess, com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type[] argumentTypes, int i)
static void	loadArgArray(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.tree.MethodNode methodNode) Generates the instructions to load all the method arguments on the stack, as a single object array.
static void	loadArgs(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.tree.MethodNode methodNode)
static void	loadThis(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions) Generates the instruction to load 'this' on the stack.
static void	loadVar(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type, int index)
static boolean	needBox(com.alibaba.deps.org.objectweb.asm.Type type)
static void	newArray(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, com.alibaba.deps.org.objectweb.asm.Type type)
static void	newInstance(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type)
static void	pop(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	pop2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList) Generates a POP2 instruction.
static void	push(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, int value)
static void	push(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, String value)
static void	pushNUll(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	storeVar(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type, int index)
static void	swap(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)
static void	swap(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList, com.alibaba.deps.org.objectweb.asm.Type prev, com.alibaba.deps.org.objectweb.asm.Type type) Generates the instructions to swap the top two stack values.
static void	throwException(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions)
static void	unbox(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions, com.alibaba.deps.org.objectweb.asm.Type type)
static List<com.alibaba.deps.org.objectweb.asm.tree.LocalVariableNode>	validVariables(List<com.alibaba.deps.org.objectweb.asm.tree.LocalVariableNode> localVariables, com.alibaba.deps.org.objectweb.asm.tree.AbstractInsnNode currentInsnNode)

Methods inherited from class java.lang.Object

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

Field Detail

OBJECT_TYPE

public static final com.alibaba.deps.org.objectweb.asm.Type OBJECT_TYPE

CLASS_TYPE

public static final com.alibaba.deps.org.objectweb.asm.Type CLASS_TYPE

OBJECT_ARRAY_TYPE

public static final com.alibaba.deps.org.objectweb.asm.Type OBJECT_ARRAY_TYPE

STRING_TYPE

public static final com.alibaba.deps.org.objectweb.asm.Type STRING_TYPE

STRING_ARRAY_TYPE

public static final com.alibaba.deps.org.objectweb.asm.Type STRING_ARRAY_TYPE

Constructor Detail

AsmOpUtils

public AsmOpUtils()

Method Detail

isBoxType

public static boolean isBoxType(com.alibaba.deps.org.objectweb.asm.Type type)

getBoxedType

public static com.alibaba.deps.org.objectweb.asm.Type getBoxedType(com.alibaba.deps.org.objectweb.asm.Type type)

getUnBoxMethod

public static com.alibaba.deps.org.objectweb.asm.commons.Method getUnBoxMethod(com.alibaba.deps.org.objectweb.asm.Type type)

newInstance

public static void newInstance(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                               com.alibaba.deps.org.objectweb.asm.Type type)

push

public static void push(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                        int value)

push

public static void push(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                        String value)

pushNUll

public static void pushNUll(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

ldc

public static void ldc(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                       Object value)

Parameters:

value -

See Also:

org.objectweb.asm.tree.LdcInsnNode#cst

newArray

public static void newArray(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                            com.alibaba.deps.org.objectweb.asm.Type type)

dup

public static void dup(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

dup2

public static void dup2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

dupX1

public static void dupX1(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

dupX2

public static void dupX2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

dup2X1

public static void dup2X1(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

Generates a DUP2_X1 instruction.

dup2X2

public static void dup2X2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

Generates a DUP2_X2 instruction.

pop

public static void pop(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

pop2

public static void pop2(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

Generates a POP2 instruction.

swap

public static void swap(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList)

swap

public static void swap(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                        com.alibaba.deps.org.objectweb.asm.Type prev,
                        com.alibaba.deps.org.objectweb.asm.Type type)

Generates the instructions to swap the top two stack values.

Parameters:

prev - type of the top - 1 stack value.

type - type of the top stack value.

box

public static void box(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                       com.alibaba.deps.org.objectweb.asm.Type type)

invokeConstructor

public static void invokeConstructor(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                                     com.alibaba.deps.org.objectweb.asm.Type type,
                                     com.alibaba.deps.org.objectweb.asm.commons.Method method)

unbox

public static void unbox(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                         com.alibaba.deps.org.objectweb.asm.Type type)

Parameters:

instructions -

type -

See Also:

org.objectweb.asm.commons.GeneratorAdapter#unbox(Type)

needBox

public static boolean needBox(com.alibaba.deps.org.objectweb.asm.Type type)

getStatic

public static void getStatic(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                             com.alibaba.deps.org.objectweb.asm.Type owner,
                             String name,
                             com.alibaba.deps.org.objectweb.asm.Type type)

getField

public static void getField(com.alibaba.deps.org.objectweb.asm.tree.InsnList insnList,
                            com.alibaba.deps.org.objectweb.asm.Type owner,
                            String name,
                            com.alibaba.deps.org.objectweb.asm.Type type)

Generates the instruction to push the value of a non static field on the stack.

Parameters:

owner - the class in which the field is defined.

name - the name of the field.

type - the type of the field.

arrayStore

public static void arrayStore(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                              com.alibaba.deps.org.objectweb.asm.Type type)

arrayLoad

public static void arrayLoad(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                             com.alibaba.deps.org.objectweb.asm.Type type)

loadThis

public static void loadThis(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions)

Generates the instruction to load 'this' on the stack.

Parameters:

instructions -

See Also:

org.objectweb.asm.commons.GeneratorAdapter#loadThis()

loadArgArray

public static void loadArgArray(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                                com.alibaba.deps.org.objectweb.asm.tree.MethodNode methodNode)

Generates the instructions to load all the method arguments on the stack, as a single object array.

See Also:

org.objectweb.asm.commons.GeneratorAdapter#loadArgArray()

loadArgs

public static void loadArgs(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                            com.alibaba.deps.org.objectweb.asm.tree.MethodNode methodNode)

loadArg

public static void loadArg(boolean staticAccess,
                           com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                           com.alibaba.deps.org.objectweb.asm.Type[] argumentTypes,
                           int i)

loadVar

public static void loadVar(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                           com.alibaba.deps.org.objectweb.asm.Type type,
                           int index)

storeVar

public static void storeVar(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                            com.alibaba.deps.org.objectweb.asm.Type type,
                            int index)

checkCast

public static void checkCast(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions,
                             com.alibaba.deps.org.objectweb.asm.Type type)

Generates the instruction to check that the top stack value is of the given type.

Parameters:

type - a class or interface type.

throwException

public static void throwException(com.alibaba.deps.org.objectweb.asm.tree.InsnList instructions)

isReturnCode

public static boolean isReturnCode(int opcode)

validVariables

public static List<com.alibaba.deps.org.objectweb.asm.tree.LocalVariableNode> validVariables(List<com.alibaba.deps.org.objectweb.asm.tree.LocalVariableNode> localVariables,
                                                                                             com.alibaba.deps.org.objectweb.asm.tree.AbstractInsnNode currentInsnNode)