OpenJDK 27 · com.sun.org.apache.bcel.internal.generic

Modifier and Type	Interface and Description
public interface	AllocationInstruction Denote family of instructions that allocates space in the heap.
public interface	ClassObserver Implement this interface if you're interested in changes to a ClassGen object and register yourself with addObserver().
public interface	CompoundInstruction Wrapper class for 'compound' operations, virtual instructions that don't exist as byte code, but give a useful meaning.
public interface	ConstantPushInstruction Denotes a push instruction that produces a literal on the stack such as SIPUSH, BIPUSH, ICONST, etc.
public interface	ExceptionThrower Denote an instruction that may throw a run-time or a linking exception (or both) during execution.
public interface	FieldObserver Imnplement this interface if you're interested in changes to a FieldGen object and register yourself with addObserver().
public interface	IndexedInstruction Denote entity that refers to an index, e.g. local variable instructions, RET, CPInstruction, etc.
public interface	InstructionComparator Equality of instructions isn't clearly to be defined.
public interface	InstructionListObserver Implement this interface if you're interested in changes to an InstructionList object and register yourself with addObserver().
public interface	InstructionTargeter Denotes that a class targets InstructionHandles within an InstructionList.
public interface	LoadClass Denotes that an instruction may start the process of loading and resolving the referenced class in the Virtual Machine.
public interface	MethodObserver Implement this interface if you're interested in changes to a MethodGen object and register yourself with addObserver().
public interface	NamedAndTyped Denote entity that has both name and type.
public interface	PopInstruction Denotes an unparameterized instruction to pop a value on top from the stack, such as ISTORE, POP, PUTSTATIC.
public interface	PushInstruction Denotes an unparameterized instruction to produce a value on top of the stack, such as ILOAD, LDC, SIPUSH, DUP, ICONST, etc.
public interface	StackConsumer Denote an instruction that may consume a value from the stack.
public interface	StackProducer Denotes an instruction that may produce a value on top of the stack (this excludes DUP_X1, e.g.)
public interface	TypedInstruction Gets the type associated with an instruction, int for ILOAD, or the type of the field of a PUTFIELD instruction, e.g..
public interface	UnconditionalBranch Denotes an instruction to perform an unconditional branch, i.e., GOTO, JSR.
public interface	VariableLengthInstruction Denotes an instruction to be a variable length instruction, such as GOTO, JSR, LOOKUPSWITCH and TABLESWITCH.
public interface	Visitor Interface implementing the Visitor pattern programming style.

Class Summary

Modifier and Type	Class and Description
public class	AALOAD AALOAD - Load reference from array Stack: ..., arrayref, index -> value
public class	AASTORE AASTORE - Store into reference array Stack: ..., arrayref, index, value -> ...
public class	ACONST_NULL ACONST_NULL - Push null reference Stack: ...
public class	ALOAD ALOAD - Load reference from local variable Stack: ...
public class	ANEWARRAY ANEWARRAY - Create new array of references Stack: ..., count -> ..., arrayref
public class	AnnotationElementValueGen
public class	AnnotationEntryGen
public class	ARETURN ARETURN - Return reference from method Stack: ..., objectref -> <empty>
public abstract class	ArithmeticInstruction Super class for the family of arithmetic instructions.
public class	ArrayElementValueGen
public abstract class	ArrayInstruction Super class for instructions dealing with array access such as IALOAD.
public class	ARRAYLENGTH ARRAYLENGTH - Get length of array Stack: ..., arrayref -> ..., length
public class	ArrayType Denotes array type, such as int[][]
public class	ASTORE ASTORE - Store reference into local variable Stack ..., objectref -> ...
public class	ATHROW ATHROW - Throw exception Stack: ..., objectref -> objectref
public class	BALOAD BALOAD - Load byte or boolean from array Stack: ..., arrayref, index -> ..., value
public class	BasicType Denotes basic type such as int.
public class	BASTORE BASTORE - Store into byte or boolean array Stack: ..., arrayref, index, value -> ...
public class	BIPUSH BIPUSH - Push byte on stack Stack: ...
public class	BranchHandle BranchHandle is returned by specialized InstructionList.append() whenever a BranchInstruction is appended.
public abstract class	BranchInstruction Abstract super class for branching instructions like GOTO, IFEQ, etc..
public class	BREAKPOINT BREAKPOINT, JVM dependent, ignored by default
public class	CALOAD CALOAD - Load char from array Stack: ..., arrayref, index -> ..., value
public class	CASTORE CASTORE - Store into char array Stack: ..., arrayref, index, value -> ...
public class	CHECKCAST CHECKCAST - Check whether object is of given type Stack: ..., objectref -> ..., objectref
public class	ClassElementValueGen
public class	ClassGen Template class for building up a java class.
public class	ClassGenException Thrown on internal exceptions.
public class	CodeExceptionGen This class represents an exception handler, i.e., specifies the region where a handler is active and an instruction where the actual handling is done.
public class	ConstantPoolGen This class is used to build up a constant pool.
public abstract class	ConversionInstruction Super class for the x2y family of instructions.
public abstract class	CPInstruction Abstract super class for instructions that use an index into the constant pool such as LDC, INVOKEVIRTUAL, etc.
public class	D2F D2F - Convert double to float Stack: ..., value.word1, value.word2 -> ..., result
public class	D2I D2I - Convert double to int Stack: ..., value.word1, value.word2 -> ..., result
public class	D2L D2L - Convert double to long Stack: ..., value.word1, value.word2 -> ..., result.word1, result.word2
public class	DADD DADD - Add doubles Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	DALOAD DALOAD - Load double from array Stack: ..., arrayref, index -> ..., result.word1, result.word2
public class	DASTORE DASTORE - Store into double array Stack: ..., arrayref, index, value.word1, value.word2 -> ...
public class	DCMPG DCMPG - Compare doubles: value1 > value2 Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -> ..., result
public class	DCMPL DCMPL - Compare doubles: value1 < value2 Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -> ..., result
public class	DCONST DCONST - Push 0.0 or 1.0, other values cause an exception Stack: ...
public class	DDIV DDIV - Divide doubles Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	DLOAD DLOAD - Load double from local variable Stack ...
public class	DMUL DMUL - Multiply doubles Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	DNEG DNEG - Negate double Stack: ..., value.word1, value.word2 -> ..., result.word1, result.word2
public class	DREM DREM - Remainder of doubles Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	DRETURN DRETURN - Return double from method Stack: ..., value.word1, value.word2 -> <empty>
public class	DSTORE DSTORE - Store double into local variable Stack: ..., value.word1, value.word2 -> ...
public class	DSUB DSUB - Substract doubles Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	DUP DUP - Duplicate top operand stack word Stack: ..., word -> ..., word, word
public class	DUP2 DUP2 - Duplicate two top operand stack words Stack: ..., word2, word1 -> ..., word2, word1, word2, word1
public class	DUP2_X1 DUP2_X1 - Duplicate two top operand stack words and put three down Stack: ..., word3, word2, word1 -> ..., word2, word1, word3, word2, word1
public class	DUP2_X2 DUP2_X2 - Duplicate two top operand stack words and put four down Stack: ..., word4, word3, word2, word1 -> ..., word2, word1, word4, word3, word2, word1
public class	DUP_X1 DUP_X1 - Duplicate top operand stack word and put two down Stack: ..., word2, word1 -> ..., word1, word2, word1
public class	DUP_X2 DUP_X2 - Duplicate top operand stack word and put three down Stack: ..., word3, word2, word1 -> ..., word1, word3, word2, word1
public abstract class	ElementValueGen
public class	ElementValuePairGen
public abstract class	EmptyVisitor Supplies empty method bodies to be overridden by subclasses.
public class	EnumElementValueGen
public class	F2D F2D - Convert float to double Stack: ..., value -> ..., result.word1, result.word2
public class	F2I F2I - Convert float to int Stack: ..., value -> ..., result
public class	F2L F2L - Convert float to long Stack: ..., value -> ..., result.word1, result.word2
public class	FADD FADD - Add floats Stack: ..., value1, value2 -> result
public class	FALOAD FALOAD - Load float from array Stack: ..., arrayref, index -> ..., value
public class	FASTORE FASTORE - Store into float array Stack: ..., arrayref, index, value -> ...
public class	FCMPG FCMPG - Compare floats: value1 > value2 Stack: ..., value1, value2 -> ..., result
public class	FCMPL FCMPL - Compare floats: value1 < value2 Stack: ..., value1, value2 -> ..., result
public class	FCONST FCONST - Push 0.0, 1.0 or 2.0, other values cause an exception Stack: ...
public class	FDIV FDIV - Divide floats Stack: ..., value1, value2 -> result
public class	FieldGen Template class for building up a field.
public abstract class	FieldGenOrMethodGen Super class for FieldGen and MethodGen objects, since they have some methods in common!
public abstract class	FieldInstruction Super class for the GET/PUTxxx family of instructions.
public abstract class	FieldOrMethod Super class for InvokeInstruction and FieldInstruction, since they have some methods in common!
public class	FLOAD FLOAD - Load float from local variable Stack ...
public class	FMUL FMUL - Multiply floats Stack: ..., value1, value2 -> result
public class	FNEG FNEG - Negate float Stack: ..., value -> ..., result
public class	FREM FREM - Remainder of floats Stack: ..., value1, value2 -> result
public class	FRETURN FRETURN - Return float from method Stack: ..., value -> <empty>
public class	FSTORE FSTORE - Store float into local variable Stack: ..., value -> ...
public class	FSUB FSUB - Substract floats Stack: ..., value1, value2 -> result
public class	GETFIELD GETFIELD - Fetch field from object Stack: ..., objectref -> ..., value
public class	GETSTATIC GETSTATIC - Fetch static field from class Stack: ..., -> ..., value
public class	GOTO GOTO - Branch always (to relative offset, not absolute address)
public class	GOTO_W GOTO_W - Branch always (to relative offset, not absolute address)
public abstract class	GotoInstruction Super class for GOTO
public class	I2B I2B - Convert int to byte Stack: ..., value -> ..., result
public class	I2C I2C - Convert int to char Stack: ..., value -> ..., result
public class	I2D I2D - Convert int to double Stack: ..., value -> ..., result.word1, result.word2
public class	I2F I2F - Convert int to float Stack: ..., value -> ..., result
public class	I2L I2L - Convert int to long Stack: ..., value -> ..., result.word1, result.word2
public class	I2S I2S - Convert int to short Stack: ..., value -> ..., result
public class	IADD IADD - Add ints Stack: ..., value1, value2 -> result
public class	IALOAD IALOAD - Load int from array Stack: ..., arrayref, index -> ..., value
public class	IAND IAND - Bitwise AND int Stack: ..., value1, value2 -> ..., result
public class	IASTORE IASTORE - Store into int array Stack: ..., arrayref, index, value -> ...
public class	ICONST ICONST - Push value between -1, ..., 5, other values cause an exception Stack: ...
public class	IDIV IDIV - Divide ints Stack: ..., value1, value2 -> result
public class	IF_ACMPEQ IF_ACMPEQ - Branch if reference comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ACMPNE IF_ACMPNE - Branch if reference comparison doesn't succeed Stack: ..., value1, value2 -> ...
public class	IF_ICMPEQ IF_ICMPEQ - Branch if int comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ICMPGE IF_ICMPGE - Branch if int comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ICMPGT IF_ICMPGT - Branch if int comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ICMPLE IF_ICMPLE - Branch if int comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ICMPLT IF_ICMPLT - Branch if int comparison succeeds Stack: ..., value1, value2 -> ...
public class	IF_ICMPNE IF_ICMPNE - Branch if int comparison doesn't succeed Stack: ..., value1, value2 -> ...
public class	IFEQ IFEQ - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public class	IFGE IFGE - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public class	IFGT IFGT - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public abstract class	IfInstruction Super class for the IFxxx family of instructions.
public class	IFLE IFLE - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public class	IFLT IFLT - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public class	IFNE IFNE - Branch if int comparison with zero succeeds Stack: ..., value -> ...
public class	IFNONNULL IFNONNULL - Branch if reference is not null Stack: ..., reference -> ...
public class	IFNULL IFNULL - Branch if reference is not null Stack: ..., reference -> ...
public class	IINC IINC - Increment local variable by constant
public class	ILOAD ILOAD - Load int from local variable onto stack Stack: ...
public class	IMPDEP1 IMPDEP1 - Implementation dependent
public class	IMPDEP2 IMPDEP2 - Implementation dependent
public class	IMUL IMUL - Multiply ints Stack: ..., value1, value2 -> result
public class	INEG INEG - Negate int Stack: ..., value -> ..., result
public class	INSTANCEOF INSTANCEOF - Determine if object is of given type Stack: ..., objectref -> ..., result
public abstract class	Instruction Abstract super class for all Java byte codes.
public class	InstructionConst Contains shareable instruction objects.
public class	InstructionFactory Instances of this class may be used, e.g., to generate typed versions of instructions.
public class	InstructionHandle Instances of this class give users a handle to the instructions contained in an InstructionList.
public class	InstructionList This class is a container for a list of Instruction objects.
public class	INVOKEDYNAMIC Class for INVOKEDYNAMIC.
public abstract class	InvokeInstruction Super class for the INVOKExxx family of instructions.
public class	INVOKEINTERFACE INVOKEINTERFACE - Invoke interface method Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
public class	INVOKESPECIAL INVOKESPECIAL - Invoke instance method; special handling for superclass, private and instance initialization method invocations Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
public class	INVOKESTATIC INVOKESTATIC - Invoke a class (static) method Stack: ..., [arg1, [arg2 ...]] -> ...
public class	INVOKEVIRTUAL INVOKEVIRTUAL - Invoke instance method; dispatch based on class Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
public class	IOR IOR - Bitwise OR int Stack: ..., value1, value2 -> ..., result
public class	IREM IREM - Remainder of int Stack: ..., value1, value2 -> result
public class	IRETURN IRETURN - Return int from method Stack: ..., value -> <empty>
public class	ISHL ISHL - Arithmetic shift left int Stack: ..., value1, value2 -> ..., result
public class	ISHR ISHR - Arithmetic shift right int Stack: ..., value1, value2 -> ..., result
public class	ISTORE ISTORE - Store int from stack into local variable Stack: ..., value -> ...
public class	ISUB ISUB - Substract ints Stack: ..., value1, value2 -> result
public class	IUSHR IUSHR - Logical shift right int Stack: ..., value1, value2 -> ..., result
public class	IXOR IXOR - Bitwise XOR int Stack: ..., value1, value2 -> ..., result
public class	JSR JSR - Jump to subroutine
public class	JSR_W JSR_W - Jump to subroutine
public abstract class	JsrInstruction Super class for JSR - Jump to subroutine
public class	L2D L2D - Convert long to double Stack: ..., value.word1, value.word2 -> ..., result.word1, result.word2
public class	L2F L2F - Convert long to float Stack: ..., value.word1, value.word2 -> ..., result
public class	L2I L2I - Convert long to int Stack: ..., value.word1, value.word2 -> ..., result
public class	LADD LADD - Add longs Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	LALOAD LALOAD - Load long from array Stack: ..., arrayref, index -> ..., value1, value2
public class	LAND LAND - Bitwise AND longs Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	LASTORE LASTORE - Store into long array Stack: ..., arrayref, index, value.word1, value.word2 -> ...
public class	LCMP LCMP - Compare longs: Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -> ..., result <= -1, 0, 1>
public class	LCONST LCONST - Push 0 or 1, other values cause an exception Stack: ...
public class	LDC LDC - Push item from constant pool.
public class	LDC2_W LDC2_W - Push long or double from constant pool Stack: ...
public class	LDC_W LDC_W - Push item from constant pool (wide index) Stack: ...
public class	LDIV LDIV - Divide longs Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	LineNumberGen This class represents a line number within a method, i.e., give an instruction a line number corresponding to the source code line.
public class	LLOAD LLOAD - Load long from local variable Stack ...
public class	LMUL LMUL - Multiply longs Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	LNEG LNEG - Negate long Stack: ..., value.word1, value.word2 -> ..., result.word1, result.word2
public abstract class	LoadInstruction Denotes an unparameterized instruction to load a value from a local variable, e.g. ILOAD.
public class	LocalVariableGen Represents a local variable within a method.
public abstract class	LocalVariableInstruction Abstract super class for instructions dealing with local variables.
public class	LOOKUPSWITCH LOOKUPSWITCH - Switch with unordered set of values
public class	LOR LOR - Bitwise OR long Stack: ..., value1, value2 -> ..., result
public class	LREM LREM - Remainder of long Stack: ..., value1, value2 -> result
public class	LRETURN LRETURN - Return long from method Stack: ..., value.word1, value.word2 -> <empty>
public class	LSHL LSHL - Arithmetic shift left long Stack: ..., value1.word1, value1.word2, value2 -> ..., result.word1, result.word2
public class	LSHR LSHR - Arithmetic shift right long Stack: ..., value1.word1, value1.word2, value2 -> ..., result.word1, result.word2
public class	LSTORE LSTORE - Store long into local variable Stack: ..., value.word1, value.word2 -> ...
public class	LSUB LSUB - Substract longs Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 ->
public class	LUSHR LUSHR - Logical shift right long Stack: ..., value1, value2 -> ..., result
public class	LXOR LXOR - Bitwise XOR long Stack: ..., value1, value2 -> ..., result
public class	MethodGen Template class for building up a method.
public class	MONITORENTER MONITORENTER - Enter monitor for object Stack: ..., objectref -> ...
public class	MONITOREXIT MONITOREXIT - Exit monitor for object Stack: ..., objectref -> ...
public class	MULTIANEWARRAY MULTIANEWARRAY - Create new mutidimensional array of references Stack: ..., count1, [count2, ...] -> ..., arrayref
public abstract class	NameSignatureInstruction Super class for FieldOrMethod and INVOKEDYNAMIC, since they both have names and signatures
public class	NEW NEW - Create new object Stack: ...
public class	NEWARRAY NEWARRAY - Create new array of basic type (int, short, ...) Stack: ..., count -> ..., arrayref
public class	NOP NOP - Do nothing
public class	ObjectType Denotes reference such as `String`.
public class	POP POP - Pop top operand stack word Stack: ..., word -> ...
public class	POP2 POP2 - Pop two top operand stack words Stack: ..., word2, word1 -> ...
public class	PUSH Wrapper class for push operations, which are implemented either as BIPUSH, LDC or xCONST_n instructions.
public class	PUTFIELD PUTFIELD - Put field in object Stack: ..., objectref, value -> ...
public class	PUTSTATIC PUTSTATIC - Put static field in class Stack: ..., value -> ...
public abstract class	ReferenceType Super class for object and array types.
public class	RET RET - Return from subroutine Stack: ...
public class	RETURN RETURN - Return from void method Stack: ...
public class	ReturnaddressType Returnaddress, the type JSR or JSR_W instructions push upon the stack.
public abstract class	ReturnInstruction Super class for the xRETURN family of instructions.
public class	SALOAD SALOAD - Load short from array Stack: ..., arrayref, index -> ..., value
public class	SASTORE SASTORE - Store into short array Stack: ..., arrayref, index, value -> ...
public abstract class	Select Select - Abstract super class for LOOKUPSWITCH and TABLESWITCH instructions.
public class	SimpleElementValueGen
public class	SIPUSH SIPUSH - Push short Stack: ...
public abstract class	StackInstruction Super class for stack operations like DUP and POP.
public abstract class	StoreInstruction Denotes an unparameterized instruction to store a value into a local variable, e.g. ISTORE.
public class	SWAP SWAP - Swa top operand stack word Stack: ..., word2, word1 -> ..., word1, word2
public class	SWITCH SWITCH - Branch depending on int value, generates either LOOKUPSWITCH or TABLESWITCH instruction, depending on whether the match values (int[]) can be sorted with no gaps between the numbers.
public class	TABLESWITCH TABLESWITCH - Switch within given range of values, i.e., low..high
public class	TargetLostException Thrown by `InstructionList` when one or multiple disposed instructions are still being referenced by an `InstructionTargeter` object.
public abstract class	Type Abstract super class for all possible Java types, namely basic types such as int, object types like String and array types, e.g. int[]

Package com.sun.org.apache.bcel.internal.generic

Interface Summary

Class Summary