org.objectweb.asm.tree.analysis

类 BasicVerifier

java.lang.Object

org.objectweb.asm.tree.analysis.Interpreter<BasicValue>

org.objectweb.asm.tree.analysis.BasicInterpreter

org.objectweb.asm.tree.analysis.BasicVerifier

所有已实现的接口:

Opcodes

直接已知子类:

SimpleVerifier

public class BasicVerifier
extends BasicInterpreter

An extended BasicInterpreter that checks that bytecode instructions are correctly used.

字段概要

从类继承的字段 org.objectweb.asm.tree.analysis.Interpreter

api

从接口继承的字段 org.objectweb.asm.Opcodes

AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8

构造器概要

构造器

限定符	构造器和说明
	BasicVerifier()
protected	BasicVerifier(int api)

方法概要

限定符和类型	方法和说明
BasicValue	binaryOperation(AbstractInsnNode insn, BasicValue value1, BasicValue value2) Interprets a bytecode instruction with two arguments.
BasicValue	copyOperation(AbstractInsnNode insn, BasicValue value) Interprets a bytecode instruction that moves a value on the stack or to or from local variables.
protected BasicValue	getElementValue(BasicValue objectArrayValue)
protected boolean	isArrayValue(BasicValue value)
protected boolean	isSubTypeOf(BasicValue value, BasicValue expected)
BasicValue	naryOperation(AbstractInsnNode insn, java.util.List<? extends BasicValue> values) Interprets a bytecode instruction with a variable number of arguments.
void	returnOperation(AbstractInsnNode insn, BasicValue value, BasicValue expected) Interprets a bytecode return instruction.
BasicValue	ternaryOperation(AbstractInsnNode insn, BasicValue value1, BasicValue value2, BasicValue value3) Interprets a bytecode instruction with three arguments.
BasicValue	unaryOperation(AbstractInsnNode insn, BasicValue value) Interprets a bytecode instruction with a single argument.

从类继承的方法 org.objectweb.asm.tree.analysis.BasicInterpreter

merge, newOperation, newValue

从类继承的方法 java.lang.Object

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

构造器详细资料

BasicVerifier

public BasicVerifier()

BasicVerifier

protected BasicVerifier(int api)

方法详细资料

copyOperation

public BasicValue copyOperation(AbstractInsnNode insn,
                                BasicValue value)
                         throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode instruction that moves a value on the stack or to or from local variables. This method is called for the following opcodes: ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP

覆盖:

copyOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

value - the value that must be moved by the instruction.

返回:

the result of the interpretation of the given instruction. The returned value must be equal to the given value.

抛出:

AnalyzerException - if an error occured during the interpretation.

unaryOperation

public BasicValue unaryOperation(AbstractInsnNode insn,
                                 BasicValue value)
                          throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode instruction with a single argument. This method is called for the following opcodes: INEG, LNEG, FNEG, DNEG, IINC, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, TABLESWITCH, LOOKUPSWITCH, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, PUTSTATIC, GETFIELD, NEWARRAY, ANEWARRAY, ARRAYLENGTH, ATHROW, CHECKCAST, INSTANCEOF, MONITORENTER, MONITOREXIT, IFNULL, IFNONNULL

覆盖:

unaryOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

value - the argument of the instruction to be interpreted.

返回:

the result of the interpretation of the given instruction.

抛出:

AnalyzerException - if an error occured during the interpretation.

binaryOperation

public BasicValue binaryOperation(AbstractInsnNode insn,
                                  BasicValue value1,
                                  BasicValue value2)
                           throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode instruction with two arguments. This method is called for the following opcodes: IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, PUTFIELD

覆盖:

binaryOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

value1 - the first argument of the instruction to be interpreted.

value2 - the second argument of the instruction to be interpreted.

返回:

the result of the interpretation of the given instruction.

抛出:

AnalyzerException - if an error occured during the interpretation.

ternaryOperation

public BasicValue ternaryOperation(AbstractInsnNode insn,
                                   BasicValue value1,
                                   BasicValue value2,
                                   BasicValue value3)
                            throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode instruction with three arguments. This method is called for the following opcodes: IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE

覆盖:

ternaryOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

value1 - the first argument of the instruction to be interpreted.

value2 - the second argument of the instruction to be interpreted.

value3 - the third argument of the instruction to be interpreted.

返回:

the result of the interpretation of the given instruction.

抛出:

AnalyzerException - if an error occured during the interpretation.

naryOperation

public BasicValue naryOperation(AbstractInsnNode insn,
                                java.util.List<? extends BasicValue> values)
                         throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode instruction with a variable number of arguments. This method is called for the following opcodes: INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC, INVOKEINTERFACE, MULTIANEWARRAY and INVOKEDYNAMIC

覆盖:

naryOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

values - the arguments of the instruction to be interpreted.

返回:

the result of the interpretation of the given instruction.

抛出:

AnalyzerException - if an error occured during the interpretation.

returnOperation

public void returnOperation(AbstractInsnNode insn,
                            BasicValue value,
                            BasicValue expected)
                     throws AnalyzerException

从类复制的说明: Interpreter

Interprets a bytecode return instruction. This method is called for the following opcodes: IRETURN, LRETURN, FRETURN, DRETURN, ARETURN

覆盖:

returnOperation 在类中 BasicInterpreter

参数:

insn - the bytecode instruction to be interpreted.

value - the argument of the instruction to be interpreted.

expected - the expected return type of the analyzed method.

抛出:

AnalyzerException - if an error occured during the interpretation.

isArrayValue

protected boolean isArrayValue(BasicValue value)

getElementValue

protected BasicValue getElementValue(BasicValue objectArrayValue)
                              throws AnalyzerException

抛出:

AnalyzerException

isSubTypeOf

protected boolean isSubTypeOf(BasicValue value,
                              BasicValue expected)