Package ghidra.app.plugin.processors.sleigh.pattern

Class Pattern

java.lang.Object

ghidra.app.plugin.processors.sleigh.pattern.Pattern

Direct Known Subclasses:

DisjointPattern, OrPattern

public abstract class Pattern
extends Object

A pattern which either matches or doesnt match a particular InstructionContext. In particular, the bits comprising the current instruction in the executable, and possible other context bits

Constructor Summary

Constructors

Constructor	Description
Pattern()

Method Summary

Modifier and Type	Method	Description
abstract boolean	alwaysFalse()
abstract boolean	alwaysInstructionTrue()
abstract boolean	alwaysTrue()
abstract void	decode(Decoder decoder)
abstract Pattern	doAnd(Pattern b, int sa)
abstract Pattern	doOr(Pattern b, int sa)
abstract DisjointPattern	getDisjoint(int i)
abstract boolean	isMatch(ParserWalker walker, SleighDebugLogger debug)
abstract int	numDisjoint()
abstract void	shiftInstruction(int sa)
abstract Pattern	simplifyClone()

Methods inherited from class java.lang.Object

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

Constructor Details

Pattern

public Pattern()

Method Details

simplifyClone

public abstract Pattern simplifyClone()

shiftInstruction

public abstract void shiftInstruction(int sa)

doOr

public abstract Pattern doOr(Pattern b,
 int sa)

doAnd

public abstract Pattern doAnd(Pattern b,
 int sa)

isMatch

public abstract boolean isMatch(ParserWalker walker,
 SleighDebugLogger debug)
                         throws MemoryAccessException

Throws:

MemoryAccessException

numDisjoint

public abstract int numDisjoint()

getDisjoint

public abstract DisjointPattern getDisjoint(int i)

alwaysTrue

public abstract boolean alwaysTrue()

alwaysFalse

public abstract boolean alwaysFalse()

alwaysInstructionTrue

public abstract boolean alwaysInstructionTrue()

decode

public abstract void decode(Decoder decoder)
                     throws DecoderException

Throws:

DecoderException