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Java Source Code / Java Documentation » Database DBMS » db4o 6.4 » EDU.purdue.cs.bloat.editor

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

EDU.purdue.cs.bloat.editor .CodeArray

CodeArray

public class CodeArray implements InstructionVisitor,Opcode(Code)

CodeArray converts an array of Instructions into an array of bytes suitable for saving to a MethodInfo with setCode.

The byte array is returned by calling the array method.

This code assumes no branch will be longer than 65536 bytes.
See Also:   Instruction
See Also:   MethodInfo
See Also:   MethodInfo.setCode
author:
   Nate Nystrom (author:
   href="mailto:nystrom@cs.purdue.edu">nystrom@cs.purdue.edu)

Inner Class :class HeightRecord

Inner Class :class ByteCell

Field Summary
public static boolean	DEBUG

Constructor Summary
public	CodeArray(MethodEditor method, ConstantPool constants, List insts) Create the byte array for a method.

Method Summary
public void	addBranch(Label label) Adds a 2-byte branch to a given label.
public void	addByte(int i) Adds a single byte to the array.
public void	addInt(int i) Adds a 4-byte int to the array, high byte first.
public void	addLabel(Label label) Makes note of a label.
public void	addLongBranch(Label label) Adds a 4-byte branch to a given label.
public void	addOpcode(int opcode) Add an opcode to the byte array, adjusting for 4-byte alignment for switch instructions and saving the index for calculating branches.
public void	addShort(int i) Adds a 2-byte short to the array, high byte first.
public byte[]	array() Returns the byte array after resolving branches.
public int	labelIndex(Label label) Returns the index in the byte array of the given label.
public int	maxLocals() Returns the maximum number of local variables used by this method.
public int	maxStack() Returns the maximum height of the stack at any point in this method.
public void	visit_aaload(Instruction inst)
public void	visit_aastore(Instruction inst)
public void	visit_aload(Instruction inst)
public void	visit_areturn(Instruction inst)
public void	visit_arraylength(Instruction inst)
public void	visit_astore(Instruction inst)
public void	visit_aswizzle(Instruction inst)
public void	visit_aswrange(Instruction inst)
public void	visit_athrow(Instruction inst)
public void	visit_aupdate(Instruction inst)
public void	visit_baload(Instruction inst)
public void	visit_bastore(Instruction inst)
public void	visit_caload(Instruction inst)
public void	visit_castore(Instruction inst)
public void	visit_checkcast(Instruction inst)
public void	visit_d2f(Instruction inst)
public void	visit_d2i(Instruction inst)
public void	visit_d2l(Instruction inst)
public void	visit_dadd(Instruction inst)
public void	visit_daload(Instruction inst)
public void	visit_dastore(Instruction inst)
public void	visit_dcmpg(Instruction inst)
public void	visit_dcmpl(Instruction inst)
public void	visit_ddiv(Instruction inst)
public void	visit_dload(Instruction inst)
public void	visit_dmul(Instruction inst)
public void	visit_dneg(Instruction inst)
public void	visit_drem(Instruction inst)
public void	visit_dreturn(Instruction inst)
public void	visit_dstore(Instruction inst)
public void	visit_dsub(Instruction inst)
public void	visit_dup(Instruction inst)
public void	visit_dup2(Instruction inst)
public void	visit_dup2_x1(Instruction inst)
public void	visit_dup2_x2(Instruction inst)
public void	visit_dup_x1(Instruction inst)
public void	visit_dup_x2(Instruction inst)
public void	visit_f2d(Instruction inst)
public void	visit_f2i(Instruction inst)
public void	visit_f2l(Instruction inst)
public void	visit_fadd(Instruction inst)
public void	visit_faload(Instruction inst)
public void	visit_fastore(Instruction inst)
public void	visit_fcmpg(Instruction inst)
public void	visit_fcmpl(Instruction inst)
public void	visit_fdiv(Instruction inst)
public void	visit_fload(Instruction inst)
public void	visit_fmul(Instruction inst)
public void	visit_fneg(Instruction inst)
public void	visit_frem(Instruction inst)
public void	visit_freturn(Instruction inst)
public void	visit_fstore(Instruction inst)
public void	visit_fsub(Instruction inst)
public void	visit_getfield(Instruction inst)
public void	visit_getstatic(Instruction inst)
public void	visit_goto(Instruction inst)
public void	visit_i2b(Instruction inst)
public void	visit_i2c(Instruction inst)
public void	visit_i2d(Instruction inst)
public void	visit_i2f(Instruction inst)
public void	visit_i2l(Instruction inst)
public void	visit_i2s(Instruction inst)
public void	visit_iadd(Instruction inst)
public void	visit_iaload(Instruction inst) Pops an item off the stack.
public void	visit_iand(Instruction inst)
public void	visit_iastore(Instruction inst)
public void	visit_idiv(Instruction inst)
public void	visit_if_acmpeq(Instruction inst)
public void	visit_if_acmpne(Instruction inst)
public void	visit_if_icmpeq(Instruction inst)
public void	visit_if_icmpge(Instruction inst)
public void	visit_if_icmpgt(Instruction inst)
public void	visit_if_icmple(Instruction inst)
public void	visit_if_icmplt(Instruction inst)
public void	visit_if_icmpne(Instruction inst)
public void	visit_ifeq(Instruction inst)
public void	visit_ifge(Instruction inst)
public void	visit_ifgt(Instruction inst)
public void	visit_ifle(Instruction inst)
public void	visit_iflt(Instruction inst)
public void	visit_ifne(Instruction inst)
public void	visit_ifnonnull(Instruction inst)
public void	visit_ifnull(Instruction inst)
public void	visit_iinc(Instruction inst)
public void	visit_iload(Instruction inst)
public void	visit_imul(Instruction inst)
public void	visit_ineg(Instruction inst)
public void	visit_instanceof(Instruction inst)
public void	visit_invokeinterface(Instruction inst)
public void	visit_invokespecial(Instruction inst)
public void	visit_invokestatic(Instruction inst)
public void	visit_invokevirtual(Instruction inst)
public void	visit_ior(Instruction inst)
public void	visit_irem(Instruction inst)
public void	visit_ireturn(Instruction inst)
public void	visit_ishl(Instruction inst)
public void	visit_ishr(Instruction inst)
public void	visit_istore(Instruction inst)
public void	visit_isub(Instruction inst)
public void	visit_iushr(Instruction inst)
public void	visit_ixor(Instruction inst)
public void	visit_jsr(Instruction inst)
public void	visit_l2d(Instruction inst)
public void	visit_l2f(Instruction inst)
public void	visit_l2i(Instruction inst)
public void	visit_ladd(Instruction inst)
public void	visit_laload(Instruction inst)
public void	visit_land(Instruction inst)
public void	visit_lastore(Instruction inst)
public void	visit_lcmp(Instruction inst)
public void	visit_ldc(Instruction inst)
public void	visit_ldiv(Instruction inst)
public void	visit_lload(Instruction inst)
public void	visit_lmul(Instruction inst)
public void	visit_lneg(Instruction inst)
public void	visit_lor(Instruction inst)
public void	visit_lrem(Instruction inst)
public void	visit_lreturn(Instruction inst)
public void	visit_lshl(Instruction inst)
public void	visit_lshr(Instruction inst)
public void	visit_lstore(Instruction inst)
public void	visit_lsub(Instruction inst)
public void	visit_lushr(Instruction inst)
public void	visit_lxor(Instruction inst)
public void	visit_monitorenter(Instruction inst)
public void	visit_monitorexit(Instruction inst)
public void	visit_multianewarray(Instruction inst)
public void	visit_new(Instruction inst)
public void	visit_newarray(Instruction inst)
public void	visit_nop(Instruction inst)
public void	visit_pop(Instruction inst)
public void	visit_pop2(Instruction inst)
public void	visit_putfield(Instruction inst)
public void	visit_putfield_nowb(Instruction inst)
public void	visit_putstatic(Instruction inst)
public void	visit_putstatic_nowb(Instruction inst)
public void	visit_rc(Instruction inst)
public void	visit_ret(Instruction inst)
public void	visit_return(Instruction inst)
public void	visit_saload(Instruction inst)
public void	visit_sastore(Instruction inst)
public void	visit_supdate(Instruction inst)
public void	visit_swap(Instruction inst)
public void	visit_switch(Instruction inst)

Field Detail

DEBUG
public static boolean DEBUG(Code)

Constructor Detail

CodeArray
public CodeArray(MethodEditor method, ConstantPool constants, List insts)(Code)
	Create the byte array for a method. Parameters: method - The method being edited. Parameters: constants - The constant pool of the class. Parameters: insts - A List of Instructions and Labels to convert to a byte array. See Also: MethodEditor See Also: ConstantPool See Also: Instruction See Also: Label

Method Detail

addBranch
public void addBranch(Label label)(Code)
	Adds a 2-byte branch to a given label. The branch is from the index of the last opcode added.

addByte
public void addByte(int i)(Code)
	Adds a single byte to the array.

addInt
public void addInt(int i)(Code)
	Adds a 4-byte int to the array, high byte first.

addLabel
public void addLabel(Label label)(Code)
	Makes note of a label.

addLongBranch
public void addLongBranch(Label label)(Code)
	Adds a 4-byte branch to a given label. The branch is from the index of the last opcode added.

addOpcode
public void addOpcode(int opcode)(Code)
	Add an opcode to the byte array, adjusting for 4-byte alignment for switch instructions and saving the index for calculating branches. Parameters: opcode - The opcode. See Also: Opcode

addShort
public void addShort(int i)(Code)
	Adds a 2-byte short to the array, high byte first.

array
public byte[] array()(Code)
	Returns the byte array after resolving branches.

labelIndex
public int labelIndex(Label label)(Code)
	Returns the index in the byte array of the given label.

maxLocals
public int maxLocals()(Code)
	Returns the maximum number of local variables used by this method.

maxStack
public int maxStack()(Code)
	Returns the maximum height of the stack at any point in this method.

visit_aaload
public void visit_aaload(Instruction inst)(Code)

visit_aastore
public void visit_aastore(Instruction inst)(Code)

visit_aload
public void visit_aload(Instruction inst)(Code)

visit_areturn
public void visit_areturn(Instruction inst)(Code)

visit_arraylength
public void visit_arraylength(Instruction inst)(Code)

visit_astore
public void visit_astore(Instruction inst)(Code)

visit_aswizzle
public void visit_aswizzle(Instruction inst)(Code)

visit_aswrange
public void visit_aswrange(Instruction inst)(Code)

visit_athrow
public void visit_athrow(Instruction inst)(Code)

visit_aupdate
public void visit_aupdate(Instruction inst)(Code)

visit_baload
public void visit_baload(Instruction inst)(Code)

visit_bastore
public void visit_bastore(Instruction inst)(Code)

visit_caload
public void visit_caload(Instruction inst)(Code)

visit_castore
public void visit_castore(Instruction inst)(Code)

visit_checkcast
public void visit_checkcast(Instruction inst)(Code)

visit_d2f
public void visit_d2f(Instruction inst)(Code)

visit_d2i
public void visit_d2i(Instruction inst)(Code)

visit_d2l
public void visit_d2l(Instruction inst)(Code)

visit_dadd
public void visit_dadd(Instruction inst)(Code)

visit_daload
public void visit_daload(Instruction inst)(Code)

visit_dastore
public void visit_dastore(Instruction inst)(Code)

visit_dcmpg
public void visit_dcmpg(Instruction inst)(Code)

visit_dcmpl
public void visit_dcmpl(Instruction inst)(Code)

visit_ddiv
public void visit_ddiv(Instruction inst)(Code)

visit_dload
public void visit_dload(Instruction inst)(Code)

visit_dmul
public void visit_dmul(Instruction inst)(Code)

visit_dneg
public void visit_dneg(Instruction inst)(Code)

visit_drem
public void visit_drem(Instruction inst)(Code)

visit_dreturn
public void visit_dreturn(Instruction inst)(Code)

visit_dstore
public void visit_dstore(Instruction inst)(Code)

visit_dsub
public void visit_dsub(Instruction inst)(Code)

visit_dup
public void visit_dup(Instruction inst)(Code)

visit_dup2
public void visit_dup2(Instruction inst)(Code)

visit_dup2_x1
public void visit_dup2_x1(Instruction inst)(Code)

visit_dup2_x2
public void visit_dup2_x2(Instruction inst)(Code)

visit_dup_x1
public void visit_dup_x1(Instruction inst)(Code)

visit_dup_x2
public void visit_dup_x2(Instruction inst)(Code)

visit_f2d
public void visit_f2d(Instruction inst)(Code)

visit_f2i
public void visit_f2i(Instruction inst)(Code)

visit_f2l
public void visit_f2l(Instruction inst)(Code)

visit_fadd
public void visit_fadd(Instruction inst)(Code)

visit_faload
public void visit_faload(Instruction inst)(Code)

visit_fastore
public void visit_fastore(Instruction inst)(Code)

visit_fcmpg
public void visit_fcmpg(Instruction inst)(Code)

visit_fcmpl
public void visit_fcmpl(Instruction inst)(Code)

visit_fdiv
public void visit_fdiv(Instruction inst)(Code)

visit_fload
public void visit_fload(Instruction inst)(Code)

visit_fmul
public void visit_fmul(Instruction inst)(Code)

visit_fneg
public void visit_fneg(Instruction inst)(Code)

visit_frem
public void visit_frem(Instruction inst)(Code)

visit_freturn
public void visit_freturn(Instruction inst)(Code)

visit_fstore
public void visit_fstore(Instruction inst)(Code)

visit_fsub
public void visit_fsub(Instruction inst)(Code)

visit_getfield
public void visit_getfield(Instruction inst)(Code)

visit_getstatic
public void visit_getstatic(Instruction inst)(Code)

visit_goto
public void visit_goto(Instruction inst)(Code)

visit_i2b
public void visit_i2b(Instruction inst)(Code)

visit_i2c
public void visit_i2c(Instruction inst)(Code)

visit_i2d
public void visit_i2d(Instruction inst)(Code)

visit_i2f
public void visit_i2f(Instruction inst)(Code)

visit_i2l
public void visit_i2l(Instruction inst)(Code)

visit_i2s
public void visit_i2s(Instruction inst)(Code)

visit_iadd
public void visit_iadd(Instruction inst)(Code)

visit_iaload
public void visit_iaload(Instruction inst)(Code)
	Pops an item off the stack.

visit_iand
public void visit_iand(Instruction inst)(Code)

visit_iastore
public void visit_iastore(Instruction inst)(Code)

visit_idiv
public void visit_idiv(Instruction inst)(Code)

visit_if_acmpeq
public void visit_if_acmpeq(Instruction inst)(Code)

visit_if_acmpne
public void visit_if_acmpne(Instruction inst)(Code)

visit_if_icmpeq
public void visit_if_icmpeq(Instruction inst)(Code)

visit_if_icmpge
public void visit_if_icmpge(Instruction inst)(Code)

visit_if_icmpgt
public void visit_if_icmpgt(Instruction inst)(Code)

visit_if_icmple
public void visit_if_icmple(Instruction inst)(Code)

visit_if_icmplt
public void visit_if_icmplt(Instruction inst)(Code)

visit_if_icmpne
public void visit_if_icmpne(Instruction inst)(Code)

visit_ifeq
public void visit_ifeq(Instruction inst)(Code)

visit_ifge
public void visit_ifge(Instruction inst)(Code)

visit_ifgt
public void visit_ifgt(Instruction inst)(Code)

visit_ifle
public void visit_ifle(Instruction inst)(Code)

visit_iflt
public void visit_iflt(Instruction inst)(Code)

visit_ifne
public void visit_ifne(Instruction inst)(Code)

visit_ifnonnull
public void visit_ifnonnull(Instruction inst)(Code)

visit_ifnull
public void visit_ifnull(Instruction inst)(Code)

visit_iinc
public void visit_iinc(Instruction inst)(Code)

visit_iload
public void visit_iload(Instruction inst)(Code)

visit_imul
public void visit_imul(Instruction inst)(Code)

visit_ineg
public void visit_ineg(Instruction inst)(Code)

visit_instanceof
public void visit_instanceof(Instruction inst)(Code)

visit_invokeinterface
public void visit_invokeinterface(Instruction inst)(Code)

visit_invokespecial
public void visit_invokespecial(Instruction inst)(Code)

visit_invokestatic
public void visit_invokestatic(Instruction inst)(Code)

visit_invokevirtual
public void visit_invokevirtual(Instruction inst)(Code)

visit_ior
public void visit_ior(Instruction inst)(Code)

visit_irem
public void visit_irem(Instruction inst)(Code)

visit_ireturn
public void visit_ireturn(Instruction inst)(Code)

visit_ishl
public void visit_ishl(Instruction inst)(Code)

visit_ishr
public void visit_ishr(Instruction inst)(Code)

visit_istore
public void visit_istore(Instruction inst)(Code)

visit_isub
public void visit_isub(Instruction inst)(Code)

visit_iushr
public void visit_iushr(Instruction inst)(Code)

visit_ixor
public void visit_ixor(Instruction inst)(Code)

visit_jsr
public void visit_jsr(Instruction inst)(Code)

visit_l2d
public void visit_l2d(Instruction inst)(Code)

visit_l2f
public void visit_l2f(Instruction inst)(Code)

visit_l2i
public void visit_l2i(Instruction inst)(Code)

visit_ladd
public void visit_ladd(Instruction inst)(Code)

visit_laload
public void visit_laload(Instruction inst)(Code)

visit_land
public void visit_land(Instruction inst)(Code)

visit_lastore
public void visit_lastore(Instruction inst)(Code)

visit_lcmp
public void visit_lcmp(Instruction inst)(Code)

visit_ldc
public void visit_ldc(Instruction inst)(Code)

visit_ldiv
public void visit_ldiv(Instruction inst)(Code)

visit_lload
public void visit_lload(Instruction inst)(Code)

visit_lmul
public void visit_lmul(Instruction inst)(Code)

visit_lneg
public void visit_lneg(Instruction inst)(Code)

visit_lor
public void visit_lor(Instruction inst)(Code)

visit_lrem
public void visit_lrem(Instruction inst)(Code)

visit_lreturn
public void visit_lreturn(Instruction inst)(Code)

visit_lshl
public void visit_lshl(Instruction inst)(Code)

visit_lshr
public void visit_lshr(Instruction inst)(Code)

visit_lstore
public void visit_lstore(Instruction inst)(Code)

visit_lsub
public void visit_lsub(Instruction inst)(Code)

visit_lushr
public void visit_lushr(Instruction inst)(Code)

visit_lxor
public void visit_lxor(Instruction inst)(Code)

visit_monitorenter
public void visit_monitorenter(Instruction inst)(Code)

visit_monitorexit
public void visit_monitorexit(Instruction inst)(Code)

visit_multianewarray
public void visit_multianewarray(Instruction inst)(Code)

visit_new
public void visit_new(Instruction inst)(Code)

visit_newarray
public void visit_newarray(Instruction inst)(Code)

visit_nop
public void visit_nop(Instruction inst)(Code)

visit_pop
public void visit_pop(Instruction inst)(Code)

visit_pop2
public void visit_pop2(Instruction inst)(Code)

visit_putfield
public void visit_putfield(Instruction inst)(Code)

visit_putfield_nowb
public void visit_putfield_nowb(Instruction inst)(Code)

visit_putstatic
public void visit_putstatic(Instruction inst)(Code)

visit_putstatic_nowb
public void visit_putstatic_nowb(Instruction inst)(Code)

visit_rc
public void visit_rc(Instruction inst)(Code)

visit_ret
public void visit_ret(Instruction inst)(Code)

visit_return
public void visit_return(Instruction inst)(Code)

visit_saload
public void visit_saload(Instruction inst)(Code)

visit_sastore
public void visit_sastore(Instruction inst)(Code)

visit_supdate
public void visit_supdate(Instruction inst)(Code)

visit_swap
public void visit_swap(Instruction inst)(Code)

visit_switch
public void visit_switch(Instruction inst)(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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