edu.umd.cs.findbugs.visitclass

Class DismantleBytecode

public abstract class DismantleBytecode extends AnnotationVisitor

Field Summary
protected byte[]	codeBytes
protected LineNumberTable	lineNumberTable
static byte	M_BR
static byte	M_CP
static byte	M_INT Meaning of bytecode operands
static byte	M_PAD
static byte	M_R
static byte	M_UINT

Method Summary
void	afterOpcode(int seen)
boolean	atCatchBlock()
void	beforeOpcode(int seen)
int	getBranchFallThrough()
int	getBranchOffset()
int	getBranchTarget()
String	getClassConstantOperand()
int	getCodeByte(int offset)
Constant	getConstantRefOperand()
int	getDefaultSwitchOffset()
String	getDottedClassConstantOperand() If the current opcode has a class operand, get the associated class constant, dot-formatted
int	getIntConstant()
int	getMaxPC()
String	getNameConstantOperand() If the current opcode has a reference constant operand, get its name
int	getNextPC()
int	getOpcode()
int	getPC()
int	getPrevOpcode(int offset) return previous opcode;
String	getRefConstantOperand() If the current opcode has a reference constant operand, get its string representation
boolean	getRefFieldIsStatic()
int	getRegisterOperand()
String	getSigConstantOperand() If the current opcode has a reference constant operand, get its signature, slash-formatted
String	getStringConstantOperand() If the current opcode has a string constant operand, get its name
static boolean	isBranch(int opcode) Return whether or not given opcode is a branch instruction.
boolean	isRegisterLoad()
boolean	isRegisterStore()
static boolean	isSwitch(int opcode) Return whether or not given opcode is a switch instruction.
void	printOpCode(int seen)
void	sawBranchTo(int seen)
void	sawClass()
void	sawDouble(double seen)
void	sawField()
void	sawFloat(float seen)
void	sawIMethod()
void	sawInt(int seen)
void	sawLong(long seen)
void	sawMethod()
void	sawOffset(int seen)
void	sawOpcode(int seen)
void	sawRegister(int r)
void	sawString(String seen)

Field Detail

codeBytes

protected byte[] codeBytes

lineNumberTable

protected LineNumberTable lineNumberTable

M_BR

public static final byte M_BR

M_CP

public static final byte M_CP

M_INT

public static final byte M_INT

Meaning of bytecode operands

M_PAD

public static final byte M_PAD

M_R

public static final byte M_R

M_UINT

public static final byte M_UINT

Method Detail

afterOpcode

public void afterOpcode(int seen)

atCatchBlock

public boolean atCatchBlock()

beforeOpcode

public void beforeOpcode(int seen)

getBranchFallThrough

public int getBranchFallThrough()

getBranchOffset

public int getBranchOffset()

getBranchTarget

public int getBranchTarget()

getClassConstantOperand

public String getClassConstantOperand()

getCodeByte

public int getCodeByte(int offset)

getConstantRefOperand

public Constant getConstantRefOperand()

getDefaultSwitchOffset

public int getDefaultSwitchOffset()

getDottedClassConstantOperand

public String getDottedClassConstantOperand()

If the current opcode has a class operand, get the associated class constant, dot-formatted

getIntConstant

public int getIntConstant()

getMaxPC

public int getMaxPC()

getNameConstantOperand

public String getNameConstantOperand()

If the current opcode has a reference constant operand, get its name

getNextPC

public int getNextPC()

Returns: Returns the nextPC.

getOpcode

public int getOpcode()

getPC

public int getPC()

getPrevOpcode

public int getPrevOpcode(int offset)

return previous opcode;

Parameters: offset 0 for current opcode, 1 for one before that, etc.

getRefConstantOperand

public String getRefConstantOperand()

If the current opcode has a reference constant operand, get its string representation

getRefFieldIsStatic

public boolean getRefFieldIsStatic()

getRegisterOperand

public int getRegisterOperand()

getSigConstantOperand

public String getSigConstantOperand()

If the current opcode has a reference constant operand, get its signature, slash-formatted

getStringConstantOperand

public String getStringConstantOperand()

If the current opcode has a string constant operand, get its name

isBranch

public static boolean isBranch(int opcode)

Return whether or not given opcode is a branch instruction.

Parameters: opcode the opcode

Returns: true if instruction is a branch, false if not

isRegisterLoad

public boolean isRegisterLoad()

isRegisterStore

public boolean isRegisterStore()

isSwitch

public static boolean isSwitch(int opcode)

Return whether or not given opcode is a switch instruction.

Parameters: opcode the opcode

Returns: true if instruction is a switch, false if not

printOpCode

public void printOpCode(int seen)

sawBranchTo

public void sawBranchTo(int seen)

sawClass

public void sawClass()

sawDouble

public void sawDouble(double seen)

sawField

public void sawField()

sawFloat

public void sawFloat(float seen)

sawIMethod

public void sawIMethod()

sawInt

public void sawInt(int seen)

sawLong

public void sawLong(long seen)

sawMethod

public void sawMethod()

sawOffset

public void sawOffset(int seen)

sawOpcode

public void sawOpcode(int seen)

sawRegister

public void sawRegister(int r)

sawString

public void sawString(String seen)