程序包 proguard.classfile.instruction

类 ConstantInstruction

java.lang.Object

proguard.classfile.instruction.Instruction

proguard.classfile.instruction.ConstantInstruction

所有已实现的接口:

ConstantVisitor

public class ConstantInstruction
extends Instruction
implements ConstantVisitor

This Instruction represents an instruction that refers to an entry in the constant pool.

字段概要

字段

修饰符和类型	字段	说明
int	constant
int	constantIndex

从类继承的字段 proguard.classfile.instruction.Instruction

ARRAY_T_BOOLEAN, ARRAY_T_BYTE, ARRAY_T_CHAR, ARRAY_T_DOUBLE, ARRAY_T_FLOAT, ARRAY_T_INT, ARRAY_T_LONG, ARRAY_T_SHORT, NAMES, OP_AALOAD, OP_AASTORE, OP_ACONST_NULL, OP_ALOAD, OP_ALOAD_0, OP_ALOAD_1, OP_ALOAD_2, OP_ALOAD_3, OP_ANEWARRAY, OP_ARETURN, OP_ARRAYLENGTH, OP_ASTORE, OP_ASTORE_0, OP_ASTORE_1, OP_ASTORE_2, OP_ASTORE_3, OP_ATHROW, OP_BALOAD, OP_BASTORE, OP_BIPUSH, OP_CALOAD, OP_CASTORE, OP_CHECKCAST, OP_D2F, OP_D2I, OP_D2L, OP_DADD, OP_DALOAD, OP_DASTORE, OP_DCMPG, OP_DCMPL, OP_DCONST_0, OP_DCONST_1, OP_DDIV, OP_DLOAD, OP_DLOAD_0, OP_DLOAD_1, OP_DLOAD_2, OP_DLOAD_3, OP_DMUL, OP_DNEG, OP_DREM, OP_DRETURN, OP_DSTORE, OP_DSTORE_0, OP_DSTORE_1, OP_DSTORE_2, OP_DSTORE_3, OP_DSUB, OP_DUP, OP_DUP_X1, OP_DUP_X2, OP_DUP2, OP_DUP2_X1, OP_DUP2_X2, OP_F2D, OP_F2I, OP_F2L, OP_FADD, OP_FALOAD, OP_FASTORE, OP_FCMPG, OP_FCMPL, OP_FCONST_0, OP_FCONST_1, OP_FCONST_2, OP_FDIV, OP_FLOAD, OP_FLOAD_0, OP_FLOAD_1, OP_FLOAD_2, OP_FLOAD_3, OP_FMUL, OP_FNEG, OP_FREM, OP_FRETURN, OP_FSTORE, OP_FSTORE_0, OP_FSTORE_1, OP_FSTORE_2, OP_FSTORE_3, OP_FSUB, OP_GETFIELD, OP_GETSTATIC, OP_GOTO, OP_GOTO_W, OP_I2B, OP_I2C, OP_I2D, OP_I2F, OP_I2L, OP_I2S, OP_IADD, OP_IALOAD, OP_IAND, OP_IASTORE, OP_ICONST_0, OP_ICONST_1, OP_ICONST_2, OP_ICONST_3, OP_ICONST_4, OP_ICONST_5, OP_ICONST_M1, OP_IDIV, OP_IFACMPEQ, OP_IFACMPNE, OP_IFEQ, OP_IFGE, OP_IFGT, OP_IFICMPEQ, OP_IFICMPGE, OP_IFICMPGT, OP_IFICMPLE, OP_IFICMPLT, OP_IFICMPNE, OP_IFLE, OP_IFLT, OP_IFNE, OP_IFNONNULL, OP_IFNULL, OP_IINC, OP_ILOAD, OP_ILOAD_0, OP_ILOAD_1, OP_ILOAD_2, OP_ILOAD_3, OP_IMUL, OP_INEG, OP_INSTANCEOF, OP_INVOKEDYNAMIC, OP_INVOKEINTERFACE, OP_INVOKESPECIAL, OP_INVOKESTATIC, OP_INVOKEVIRTUAL, OP_IOR, OP_IREM, OP_IRETURN, OP_ISHL, OP_ISHR, OP_ISTORE, OP_ISTORE_0, OP_ISTORE_1, OP_ISTORE_2, OP_ISTORE_3, OP_ISUB, OP_IUSHR, OP_IXOR, OP_JSR, OP_JSR_W, OP_L2D, OP_L2F, OP_L2I, OP_LADD, OP_LALOAD, OP_LAND, OP_LASTORE, OP_LCMP, OP_LCONST_0, OP_LCONST_1, OP_LDC, OP_LDC_W, OP_LDC2_W, OP_LDIV, OP_LLOAD, OP_LLOAD_0, OP_LLOAD_1, OP_LLOAD_2, OP_LLOAD_3, OP_LMUL, OP_LNEG, OP_LOOKUPSWITCH, OP_LOR, OP_LREM, OP_LRETURN, OP_LSHL, OP_LSHR, OP_LSTORE, OP_LSTORE_0, OP_LSTORE_1, OP_LSTORE_2, OP_LSTORE_3, OP_LSUB, OP_LUSHR, OP_LXOR, OP_MONITORENTER, OP_MONITOREXIT, OP_MULTIANEWARRAY, OP_NEW, OP_NEWARRAY, OP_NOP, OP_POP, OP_POP2, OP_PUTFIELD, OP_PUTSTATIC, OP_RET, OP_RETURN, OP_SALOAD, OP_SASTORE, OP_SIPUSH, OP_SWAP, OP_TABLESWITCH, OP_WIDE, opcode

构造器概要

构造器

构造器	说明
ConstantInstruction()	Creates an uninitialized ConstantInstruction.
ConstantInstruction(byte opcode, int constantIndex)	Creates a new ConstantInstruction with the given opcode and constant pool index.
ConstantInstruction(byte opcode, int constantIndex, int constant)	Creates a new ConstantInstruction with the given opcode, constant pool index, and constant.

方法概要

修饰符和类型	方法	说明
void	accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, InstructionVisitor instructionVisitor)	Accepts the given visitor.
byte	canonicalOpcode()	Returns the canonical opcode of this instruction, i.e. typically the opcode whose extension has been removed.
ConstantInstruction	copy(ConstantInstruction constantInstruction)	Copies the given instruction into this instruction.
boolean	equals(Object o)
int	hashCode()
int	length(int offset)	Returns the length in bytes of the instruction.
boolean	mayInstanceThrowExceptions(Clazz clazz)	Returns whether a particular instance of an instruction may throw an exception.
protected void	readInfo(byte[] code, int offset)	Reads the data following the instruction opcode.
Instruction	shrink()	Shrinks this instruction to its shortest possible form.
int	stackPopCount(Clazz clazz)	Returns the number of entries popped from the stack during the execution of the instruction.
int	stackPushCount(Clazz clazz)	Returns the number of entries pushed onto the stack during the execution of the instruction.
String	toString()
String	toString(Clazz clazz, int offset)	Returns a description of the instruction, at the given offset.
void	visitClassConstant(Clazz clazz, ClassConstant classConstant)
void	visitDoubleConstant(Clazz clazz, DoubleConstant doubleConstant)
void	visitDynamicConstant(Clazz clazz, DynamicConstant dynamicConstant)
void	visitFieldrefConstant(Clazz clazz, FieldrefConstant fieldrefConstant)
void	visitFloatConstant(Clazz clazz, FloatConstant floatConstant)
void	visitIntegerConstant(Clazz clazz, IntegerConstant integerConstant)
void	visitInterfaceMethodrefConstant(Clazz clazz, InterfaceMethodrefConstant interfaceMethodrefConstant)
void	visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant)
void	visitLongConstant(Clazz clazz, LongConstant longConstant)
void	visitMethodHandleConstant(Clazz clazz, MethodHandleConstant methodHandleConstant)
void	visitMethodrefConstant(Clazz clazz, MethodrefConstant methodrefConstant)
void	visitMethodTypeConstant(Clazz clazz, MethodTypeConstant methodTypeConstant)
void	visitModuleConstant(Clazz clazz, ModuleConstant moduleConstant)
void	visitNameAndTypeConstant(Clazz clazz, NameAndTypeConstant nameAndTypeConstant)
void	visitPackageConstant(Clazz clazz, PackageConstant packageConstant)
void	visitPrimitiveArrayConstant(Clazz clazz, PrimitiveArrayConstant primitiveArrayConstant)
void	visitStringConstant(Clazz clazz, StringConstant stringConstant)
void	visitUtf8Constant(Clazz clazz, Utf8Constant utf8Constant)
protected void	writeInfo(byte[] code, int offset)	Writes data following the instruction opcode.

从类继承的方法 proguard.classfile.instruction.Instruction

actualOpcode, getName, isCategory2, isWide, mayThrowExceptions, readByte, readInt, readShort, readSignedByte, readSignedShort, readSignedValue, readValue, stackEntryIndexBefore, toString, write, write, writeByte, writeInt, writeShort, writeSignedByte, writeSignedShort, writeSignedValue, writeValue

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 proguard.classfile.constant.visitor.ConstantVisitor

visitAnyConstant, visitAnyMethodrefConstant, visitAnyRefConstant

字段详细资料

constantIndex

public int constantIndex

constant

public int constant

构造器详细资料

ConstantInstruction

public ConstantInstruction()

Creates an uninitialized ConstantInstruction.

ConstantInstruction

public ConstantInstruction(byte opcode,
 int constantIndex)

Creates a new ConstantInstruction with the given opcode and constant pool index.

ConstantInstruction

public ConstantInstruction(byte opcode,
 int constantIndex,
 int constant)

Creates a new ConstantInstruction with the given opcode, constant pool index, and constant.

方法详细资料

copy

public ConstantInstruction copy(ConstantInstruction constantInstruction)

Copies the given instruction into this instruction.

参数:

constantInstruction - the instruction to be copied.

返回:

this instruction.

mayInstanceThrowExceptions

public boolean mayInstanceThrowExceptions(Clazz clazz)

Returns whether a particular instance of an instruction may throw an exception.

In particular, this takes into account that an ldc with a class, method type or method ref constant operand may throw exceptions while other constants may not.

覆盖:

mayInstanceThrowExceptions 在类中 Instruction

canonicalOpcode

public byte canonicalOpcode()

从类复制的说明: Instruction

Returns the canonical opcode of this instruction, i.e. typically the opcode whose extension has been removed.

覆盖:

canonicalOpcode 在类中 Instruction

shrink

public Instruction shrink()

从类复制的说明: Instruction

Shrinks this instruction to its shortest possible form.

指定者:

shrink 在类中 Instruction

返回:

this instruction.

readInfo

protected void readInfo(byte[] code,
 int offset)

从类复制的说明: Instruction

Reads the data following the instruction opcode.

指定者:

readInfo 在类中 Instruction

writeInfo

protected void writeInfo(byte[] code,
 int offset)

从类复制的说明: Instruction

Writes data following the instruction opcode.

指定者:

writeInfo 在类中 Instruction

length

public int length(int offset)

从类复制的说明: Instruction

Returns the length in bytes of the instruction.

指定者:

length 在类中 Instruction

accept

public void accept(Clazz clazz,
 Method method,
 CodeAttribute codeAttribute,
 int offset,
 InstructionVisitor instructionVisitor)

从类复制的说明: Instruction

Accepts the given visitor.

指定者:

accept 在类中 Instruction

toString

public String toString(Clazz clazz,
 int offset)

从类复制的说明: Instruction

Returns a description of the instruction, at the given offset.

覆盖:

toString 在类中 Instruction

stackPopCount

public int stackPopCount(Clazz clazz)

从类复制的说明: Instruction

Returns the number of entries popped from the stack during the execution of the instruction.

覆盖:

stackPopCount 在类中 Instruction

stackPushCount

public int stackPushCount(Clazz clazz)

从类复制的说明: Instruction

Returns the number of entries pushed onto the stack during the execution of the instruction.

覆盖:

stackPushCount 在类中 Instruction

visitIntegerConstant

public void visitIntegerConstant(Clazz clazz,
 IntegerConstant integerConstant)

指定者:

visitIntegerConstant 在接口中 ConstantVisitor

visitLongConstant

public void visitLongConstant(Clazz clazz,
 LongConstant longConstant)

指定者:

visitLongConstant 在接口中 ConstantVisitor

visitFloatConstant

public void visitFloatConstant(Clazz clazz,
 FloatConstant floatConstant)

指定者:

visitFloatConstant 在接口中 ConstantVisitor

visitDoubleConstant

public void visitDoubleConstant(Clazz clazz,
 DoubleConstant doubleConstant)

指定者:

visitDoubleConstant 在接口中 ConstantVisitor

visitPrimitiveArrayConstant

public void visitPrimitiveArrayConstant(Clazz clazz,
 PrimitiveArrayConstant primitiveArrayConstant)

指定者:

visitPrimitiveArrayConstant 在接口中 ConstantVisitor

visitStringConstant

public void visitStringConstant(Clazz clazz,
 StringConstant stringConstant)

指定者:

visitStringConstant 在接口中 ConstantVisitor

visitUtf8Constant

public void visitUtf8Constant(Clazz clazz,
 Utf8Constant utf8Constant)

指定者:

visitUtf8Constant 在接口中 ConstantVisitor

visitMethodHandleConstant

public void visitMethodHandleConstant(Clazz clazz,
 MethodHandleConstant methodHandleConstant)

指定者:

visitMethodHandleConstant 在接口中 ConstantVisitor

visitClassConstant

public void visitClassConstant(Clazz clazz,
 ClassConstant classConstant)

指定者:

visitClassConstant 在接口中 ConstantVisitor

visitMethodTypeConstant

public void visitMethodTypeConstant(Clazz clazz,
 MethodTypeConstant methodTypeConstant)

指定者:

visitMethodTypeConstant 在接口中 ConstantVisitor

visitModuleConstant

public void visitModuleConstant(Clazz clazz,
 ModuleConstant moduleConstant)

指定者:

visitModuleConstant 在接口中 ConstantVisitor

visitPackageConstant

public void visitPackageConstant(Clazz clazz,
 PackageConstant packageConstant)

指定者:

visitPackageConstant 在接口中 ConstantVisitor

visitFieldrefConstant

public void visitFieldrefConstant(Clazz clazz,
 FieldrefConstant fieldrefConstant)

指定者:

visitFieldrefConstant 在接口中 ConstantVisitor

visitDynamicConstant

public void visitDynamicConstant(Clazz clazz,
 DynamicConstant dynamicConstant)

指定者:

visitDynamicConstant 在接口中 ConstantVisitor

visitInvokeDynamicConstant

public void visitInvokeDynamicConstant(Clazz clazz,
 InvokeDynamicConstant invokeDynamicConstant)

指定者:

visitInvokeDynamicConstant 在接口中 ConstantVisitor

visitInterfaceMethodrefConstant

public void visitInterfaceMethodrefConstant(Clazz clazz,
 InterfaceMethodrefConstant interfaceMethodrefConstant)

指定者:

visitInterfaceMethodrefConstant 在接口中 ConstantVisitor

visitMethodrefConstant

public void visitMethodrefConstant(Clazz clazz,
 MethodrefConstant methodrefConstant)

指定者:

visitMethodrefConstant 在接口中 ConstantVisitor

visitNameAndTypeConstant

public void visitNameAndTypeConstant(Clazz clazz,
 NameAndTypeConstant nameAndTypeConstant)

指定者:

visitNameAndTypeConstant 在接口中 ConstantVisitor

toString

public String toString()

覆盖:

toString 在类中 Object

equals

public boolean equals(Object o)

指定者:

equals 在类中 Instruction

hashCode

public int hashCode()

指定者:

hashCode 在类中 Instruction